1

game/server/cstrike/bot/cs_bot_chatter.h

@@ -0,0 +1,656 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Bot radio chatter system
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#ifndef CS_BOT_CHATTER_H
+#define CS_BOT_CHATTER_H
+
+#pragma warning( disable : 4786 )	// long STL names get truncated in browse info.
+
+#include "nav_mesh.h"
+#include "cs_gamestate.h"
+
+class CCSBot;
+class BotChatterInterface;
+
+#define MAX_PLACES_PER_MAP 64
+
+typedef unsigned int PlaceCriteria;
+
+typedef unsigned int CountCriteria;
+#define UNDEFINED_COUNT 0xFFFF
+#define COUNT_CURRENT_ENEMIES	0xFF		// use the number of enemies we see right when we speak
+#define COUNT_MANY 4						// equal to or greater than this is "many"
+
+#define UNDEFINED_SUBJECT (-1)
+
+/// @todo Make Place a class with member fuctions for this
+const Vector *GetRandomSpotAtPlace( Place place );
+
+//----------------------------------------------------------------------------------------------------
+/**
+ * A meme is a unit information that bots use to 
+ * transmit information to each other via the radio
+ */
+class BotMeme
+{
+public:
+	void Transmit( CCSBot *sender ) const;									///< transmit meme to other bots
+	// It is a best practice to always have a virtual destructor in an interface
+	// class. Otherwise if the derived classes have destructors they will not be
+	// called.
+	virtual ~BotMeme() {}
+	virtual void Interpret( CCSBot *sender, CCSBot *receiver ) const = 0;	///< cause the given bot to act on this meme
+};
+
+//----------------------------------------------------------------------------------------------------
+class BotHelpMeme : public BotMeme
+{
+public:
+	BotHelpMeme( Place place = UNDEFINED_PLACE )
+	{
+		m_place = place;
+	}
+
+	virtual void Interpret( CCSBot *sender, CCSBot *receiver ) const;		///< cause the given bot to act on this meme
+
+private:
+	Place m_place;			///< where the help is needed
+};
+
+//----------------------------------------------------------------------------------------------------
+class BotBombsiteStatusMeme : public BotMeme
+{
+public:
+	enum StatusType { CLEAR, PLANTED };
+
+	BotBombsiteStatusMeme( int zoneIndex, StatusType status )
+	{
+		m_zoneIndex = zoneIndex;
+		m_status = status;
+	}
+
+	virtual void Interpret( CCSBot *sender, CCSBot *receiver ) const;		///< cause the given bot to act on this meme
+
+private:
+	int m_zoneIndex;			///< the bombsite
+	StatusType m_status;		///< whether it is cleared or the bomb is there (planted)
+};
+
+//----------------------------------------------------------------------------------------------------
+class BotBombStatusMeme : public BotMeme
+{
+public:
+	BotBombStatusMeme( CSGameState::BombState state, const Vector &pos )
+	{
+		m_state = state;
+		m_pos = pos;
+	}
+
+	virtual void Interpret( CCSBot *sender, CCSBot *receiver ) const;		///< cause the given bot to act on this meme
+
+private:
+	CSGameState::BombState m_state;
+	Vector m_pos;
+};
+
+//----------------------------------------------------------------------------------------------------
+class BotFollowMeme : public BotMeme
+{
+public:
+	virtual void Interpret( CCSBot *sender, CCSBot *receiver ) const;		///< cause the given bot to act on this meme
+};
+
+//----------------------------------------------------------------------------------------------------
+class BotDefendHereMeme : public BotMeme
+{
+public:
+	BotDefendHereMeme( const Vector &pos )
+	{
+		m_pos = pos;
+	}
+
+	virtual void Interpret( CCSBot *sender, CCSBot *receiver ) const;		///< cause the given bot to act on this meme
+
+private:
+	Vector m_pos;
+};
+
+//----------------------------------------------------------------------------------------------------
+class BotWhereBombMeme : public BotMeme
+{
+public:
+	virtual void Interpret( CCSBot *sender, CCSBot *receiver ) const;		///< cause the given bot to act on this meme
+};
+
+//----------------------------------------------------------------------------------------------------
+class BotRequestReportMeme : public BotMeme
+{
+public:
+	virtual void Interpret( CCSBot *sender, CCSBot *receiver ) const;		///< cause the given bot to act on this meme
+};
+
+//----------------------------------------------------------------------------------------------------
+class BotAllHostagesGoneMeme : public BotMeme
+{
+public:
+	virtual void Interpret( CCSBot *sender, CCSBot *receiver ) const;		///< cause the given bot to act on this meme
+};
+
+//----------------------------------------------------------------------------------------------------
+class BotHostageBeingTakenMeme : public BotMeme
+{
+public:
+	virtual void Interpret( CCSBot *sender, CCSBot *receiver ) const;		///< cause the given bot to act on this meme
+};
+
+//----------------------------------------------------------------------------------------------------
+class BotHeardNoiseMeme : public BotMeme
+{
+public:
+	virtual void Interpret( CCSBot *sender, CCSBot *receiver ) const;		///< cause the given bot to act on this meme
+};
+
+//----------------------------------------------------------------------------------------------------
+class BotWarnSniperMeme : public BotMeme
+{
+public:
+	virtual void Interpret( CCSBot *sender, CCSBot *receiver ) const;		///< cause the given bot to act on this meme
+};
+
+//----------------------------------------------------------------------------------------------------
+enum BotStatementType
+{
+	REPORT_VISIBLE_ENEMIES,
+	REPORT_ENEMY_ACTION,
+	REPORT_MY_CURRENT_TASK,
+	REPORT_MY_INTENTION,
+	REPORT_CRITICAL_EVENT,
+	REPORT_REQUEST_HELP,
+	REPORT_REQUEST_INFORMATION,
+	REPORT_ROUND_END,
+	REPORT_MY_PLAN,
+	REPORT_INFORMATION,
+	REPORT_EMOTE,
+	REPORT_ACKNOWLEDGE,			///< affirmative or negative
+	REPORT_ENEMIES_REMAINING,
+	REPORT_FRIENDLY_FIRE,
+	REPORT_KILLED_FRIEND,
+	REPORT_ENEMY_LOST,
+
+	NUM_BOT_STATEMENT_TYPES
+};
+
+//----------------------------------------------------------------------------------------------------
+//----------------------------------------------------------------------------------------------------
+/**
+ * BotSpeakables are the smallest unit of bot chatter.
+ * They represent a specific wav file of a phrase, and the criteria for which it is useful
+ */
+class BotSpeakable
+{
+public:
+	BotSpeakable();
+	~BotSpeakable();
+	char *m_phrase;
+	float m_duration;
+	PlaceCriteria m_place;
+	CountCriteria m_count;
+};
+typedef CUtlVector< BotSpeakable * > BotSpeakableVector;
+typedef CUtlVector< BotSpeakableVector * > BotVoiceBankVector;
+
+
+//----------------------------------------------------------------------------------------------------
+/**
+ * The BotPhrase class is a collection of Speakables associated with a name, ID, and criteria
+ */
+class BotPhrase
+{
+public:
+	char *GetSpeakable( int bankIndex, float *duration = NULL ) const;		///< return a random speakable and its duration in seconds that meets the current criteria
+
+	// NOTE: Criteria must be set just before the GetSpeakable() call, since they are shared among all bots
+	void ClearCriteria( void ) const;
+	void SetPlaceCriteria( PlaceCriteria place ) const;	///< all returned phrases must have this place criteria
+	void SetCountCriteria( CountCriteria count ) const;	///< all returned phrases must have this count criteria
+
+	const char *GetName( void ) const					{ return m_name; }
+	const unsigned int GetPlace( void ) const		{ return m_place; }
+	RadioType GetRadioEquivalent( void ) const	{ return m_radioEvent; }			///< return equivalent "standard radio" event
+	bool IsImportant( void ) const						{ return m_isImportant; }	///< return true if this phrase is part of an important statement
+
+	bool IsPlace( void ) const								{ return m_isPlace; }
+
+	void Randomize( void );									///< randomly shuffle the speakable order
+
+private:
+	friend class BotPhraseManager;
+	BotPhrase( bool isPlace );
+	~BotPhrase();
+
+	char *m_name;
+	Place m_place;
+	bool m_isPlace;											///< true if this is a Place phrase
+	RadioType m_radioEvent;									///< equivalent radio event
+	bool m_isImportant;										///< mission-critical statement
+
+	mutable BotVoiceBankVector m_voiceBank;					///< array of voice banks (arrays of speakables)
+	CUtlVector< int > m_count;								///< number of speakables
+	mutable CUtlVector< int > m_index;						///< index of next speakable to return
+	int m_numVoiceBanks;									///< number of voice banks that have been initialized
+	void InitVoiceBank( int bankIndex );					///< sets up the vector of voice banks for the first bankIndex voice banks
+
+	mutable PlaceCriteria m_placeCriteria;
+	mutable CountCriteria m_countCriteria;
+};
+typedef CUtlVector<BotPhrase *> BotPhraseList;
+
+inline void BotPhrase::ClearCriteria( void ) const
+{
+	m_placeCriteria = ANY_PLACE;
+	m_countCriteria = UNDEFINED_COUNT;
+}
+
+inline void BotPhrase::SetPlaceCriteria( PlaceCriteria place ) const
+{
+	m_placeCriteria = place;
+}
+
+inline void BotPhrase::SetCountCriteria( CountCriteria count ) const
+{
+	m_countCriteria = count;
+}
+
+enum BotChatterOutputType
+{
+	BOT_CHATTER_RADIO,
+	BOT_CHATTER_VOICE
+};
+typedef CUtlVector<BotChatterOutputType> BotOutputList;
+
+//----------------------------------------------------------------------------------------------------
+/**
+ * The BotPhraseManager is a singleton that provides an interface to all BotPhrase collections
+ */
+class BotPhraseManager
+{
+public:
+	BotPhraseManager( void );
+	~BotPhraseManager();
+
+	bool Initialize( const char *filename, int bankIndex );	///< initialize phrase system from database file for a specific voice bank (0 is the default voice bank)
+
+	void OnRoundRestart( void );												///< invoked when round resets
+	void OnMapChange( void );														///< invoked when map changes
+	void Reset( void );
+
+	const BotPhrase *GetPhrase( const char *name ) const;		///< given a name, return the associated phrase collection
+	const BotPhrase *GetPainPhrase( void ) const { return m_painPhrase; }					///< optimization, replaces a static pointer to the phrase
+	const BotPhrase *GetAgreeWithPlanPhrase( void ) const { return m_agreeWithPlanPhrase; }	///< optimization, replaces a static pointer to the phrase
+
+	const BotPhrase *GetPlace( const char *name ) const;		///< given a name, return the associated Place phrase collection
+	const BotPhrase *GetPlace( unsigned int id ) const;			///< given an id, return the associated Place phrase collection
+
+	const BotPhraseList *GetPlaceList( void ) const	{ return &m_placeList; }
+
+	float GetPlaceStatementInterval( Place where ) const;	///< return time last statement of given type was emitted by a teammate for the given place
+	void ResetPlaceStatementInterval( Place where );			///< set time of last statement of given type was emitted by a teammate for the given place
+
+	BotChatterOutputType GetOutputType( int voiceBank ) const;
+
+private:
+	BotPhraseList m_list;																	///< master list of all phrase collections
+	BotPhraseList m_placeList;														///< master list of all Place phrases
+
+	BotOutputList m_output;
+
+	const BotPhrase *m_painPhrase;
+	const BotPhrase *m_agreeWithPlanPhrase;
+
+	struct PlaceTimeInfo
+	{
+		Place placeID;
+		IntervalTimer timer;
+	};
+	mutable PlaceTimeInfo m_placeStatementHistory[ MAX_PLACES_PER_MAP ];
+	mutable int m_placeCount;
+	int FindPlaceIndex( Place where ) const;
+};
+
+inline int BotPhraseManager::FindPlaceIndex( Place where ) const
+{
+	for( int i=0; i<m_placeCount; ++i )
+		if (m_placeStatementHistory[i].placeID == where)
+			return i;
+
+	// no such place - allocate it
+	if (m_placeCount < MAX_PLACES_PER_MAP)
+	{
+		m_placeStatementHistory[ ++m_placeCount ].placeID = where;
+		m_placeStatementHistory[ ++m_placeCount ].timer.Invalidate();
+		return m_placeCount-1;
+	}
+
+	// place directory is full
+	return -1;
+}
+
+/**
+ * Return time last statement of given type was emitted by a teammate for the given place
+ */
+inline float BotPhraseManager::GetPlaceStatementInterval( Place place ) const
+{
+	int index = FindPlaceIndex( place );
+
+	if (index < 0)
+		return 999999.9f;
+
+	if (index >= m_placeCount)
+		return 999999.9f;
+
+	return m_placeStatementHistory[ index ].timer.GetElapsedTime();
+}
+
+/**
+ * Set time of last statement of given type was emitted by a teammate for the given place
+ */
+inline void BotPhraseManager::ResetPlaceStatementInterval( Place place )
+{
+	int index = FindPlaceIndex( place );
+
+	if (index < 0)
+		return;
+
+	if (index >= m_placeCount)
+		return;
+
+	// update entry
+	m_placeStatementHistory[ index ].timer.Reset();
+}
+
+extern BotPhraseManager *TheBotPhrases;
+
+
+
+//----------------------------------------------------------------------------------------------------
+/**
+ * Statements are meaningful collections of phrases
+ */
+class BotStatement
+{
+public:
+	BotStatement( BotChatterInterface *chatter, BotStatementType type, float expireDuration );
+	~BotStatement();
+
+	BotChatterInterface *GetChatter( void ) const	{ return m_chatter; }
+	CCSBot *GetOwner( void ) const;
+
+	BotStatementType GetType( void ) const	{ return m_type; }	///< return the type of statement this is
+	bool IsImportant( void ) const;								///< return true if this statement is "important" and not personality chatter
+
+	bool HasSubject( void ) const	{ return (m_subject == UNDEFINED_SUBJECT) ? false : true; }
+	void SetSubject( int playerID )	{ m_subject = playerID; }	///< who this statement is about
+	int GetSubject( void ) const	{ return m_subject; }		///< who this statement is about
+
+	bool HasPlace( void ) const		{ return (GetPlace()) ? true : false; }
+	Place GetPlace( void ) const;								///< if this statement refers to a specific place, return that place
+	void SetPlace( Place where )	{ m_place = where; }		///< explicitly set place
+
+	bool HasCount( void ) const;								///< return true if this statement has an associated count
+
+	bool IsRedundant( const BotStatement *say ) const;			///< return true if this statement is the same as the given one
+	bool IsObsolete( void ) const;								///< return true if this statement is no longer appropriate to say
+	void Convert( const BotStatement *say );					///< possibly change what were going to say base on what teammate is saying
+	
+	void AppendPhrase( const BotPhrase *phrase );
+
+	void SetStartTime( float timestamp )	{ m_startTime = timestamp; }	///< define the earliest time this statement can be spoken
+	float GetStartTime( void ) const		{ return m_startTime; }
+
+	enum ConditionType
+	{
+		IS_IN_COMBAT,
+		RADIO_SILENCE,
+		ENEMIES_REMAINING,
+
+		NUM_CONDITIONS
+	};
+
+	void AddCondition( ConditionType condition );				///< conditions must be true for the statement to be spoken
+	bool IsValid( void ) const;									///< verify all attached conditions 
+
+	enum ContextType
+	{
+		CURRENT_ENEMY_COUNT,
+		REMAINING_ENEMY_COUNT,
+		SHORT_DELAY,
+		LONG_DELAY,
+		ACCUMULATE_ENEMIES_DELAY
+	};
+	void AppendPhrase( ContextType contextPhrase );				///< special phrases that depend on the context
+
+	bool Update( void );											///< emit statement over time, return false if statement is done
+	bool IsSpeaking( void ) const		{ return m_isSpeaking; }	///< return true if this statement is currently being spoken
+	float GetTimestamp( void ) const	{ return m_timestamp; }		///< get time statement was created (but not necessarily started talking)
+
+	void AttachMeme( BotMeme *meme );							///< attach a meme to this statement, to be transmitted to other friendly bots when spoken
+
+private:
+	friend class BotChatterInterface;
+
+	BotChatterInterface *m_chatter;								///< the chatter system this statement is part of
+
+	BotStatement *m_next, *m_prev;								///< linked list hooks
+
+	BotStatementType m_type;									///< what kind of statement this is
+	int m_subject;												///< who this subject is about
+	Place m_place;												///< explicit place - note some phrases have implicit places as well
+	BotMeme *m_meme;											///< a statement can only have a single meme for now
+
+	float m_timestamp;											///< time when message was created
+	float m_startTime;											///< the earliest time this statement can be spoken
+	float m_expireTime;											///< time when this statement is no longer valid
+	float m_speakTimestamp;										///< time when message began being spoken
+	bool m_isSpeaking;											///< true if this statement is current being spoken
+
+	float m_nextTime;											///< time for next phrase to begin
+
+	enum { MAX_BOT_PHRASES = 4 };
+	struct
+	{
+		bool isPhrase;
+		union
+		{
+			const BotPhrase *phrase;
+			ContextType context;
+		};
+	}
+	m_statement[ MAX_BOT_PHRASES ];
+
+	enum { MAX_BOT_CONDITIONS = 4 };
+	ConditionType m_condition[ MAX_BOT_CONDITIONS ];			///< conditions that must be true for the statement to be said
+	int m_conditionCount;
+
+	int m_index;												///< m_index refers to the phrase currently being spoken, or -1 if we havent started yet
+	int m_count;
+};
+
+//----------------------------------------------------------------------------------------------------
+/**
+ * This class defines the interface to the bot radio chatter system
+ */
+class BotChatterInterface
+{
+public:
+	BotChatterInterface( CCSBot *me );
+	~BotChatterInterface( );
+
+	void Reset( void );											///< reset to initial state
+	void Update( void );										///< process ongoing chatter
+
+	/// invoked when event occurs in the game (some events have NULL entities)
+	void OnDeath( void );										///< invoked when we die
+
+	enum VerbosityType
+	{
+		NORMAL,				///< full chatter
+		MINIMAL,			///< only scenario-critical events
+		RADIO,				///< use the standard radio instead
+		OFF						///< no chatter at all
+	};
+	VerbosityType GetVerbosity( void ) const;					///< return our current level of verbosity
+
+	CCSBot *GetOwner( void ) const							{ return m_me; }
+
+	bool IsTalking( void ) const;								///< return true if we are currently talking
+	float GetRadioSilenceDuration( void );						///< return time since any teammate said anything
+	void ResetRadioSilenceDuration( void );
+
+	enum { MUST_ADD = 1 };
+	void AddStatement( BotStatement *statement, bool mustAdd = false );			///< register a statement for speaking
+	void RemoveStatement( BotStatement *statement );			///< remove a statement
+
+	BotStatement *GetActiveStatement( void );					///< returns the statement that is being spoken, or is next to be spoken if no-one is speaking now
+	BotStatement *GetStatement( void ) const;					///< returns our current statement, or NULL if we aren't speaking
+
+	int GetPitch( void ) const			{ return m_pitch; }
+
+
+	//-- things the bots can say ---------------------------------------------------------------------
+	void Say( const char *phraseName, float lifetime = 3.0f, float delay = 0.0f );
+
+	void AnnouncePlan( const char *phraseName, Place where );
+	void Affirmative( void );
+	void Negative( void );
+
+	void EnemySpotted( void );									///< report enemy sightings
+	void KilledMyEnemy( int victimID );
+	void EnemiesRemaining( void );
+
+	void SpottedSniper( void );
+	void FriendSpottedSniper( void );
+
+	void Clear( Place where );
+
+	void ReportIn( void );										///< ask for current situation
+	void ReportingIn( void );									///< report current situation
+
+	bool NeedBackup( void );
+	void PinnedDown( void );
+	void Scared( void );
+	void HeardNoise( const Vector &pos );
+	void FriendHeardNoise( void );
+
+	void TheyPickedUpTheBomb( void );
+	void GoingToPlantTheBomb( Place where );
+	void BombsiteClear( int zoneIndex );
+	void FoundPlantedBomb( int zoneIndex );
+	void PlantingTheBomb( Place where );
+	void SpottedBomber( CBasePlayer *bomber );
+	void SpottedLooseBomb( CBaseEntity *bomb );
+	void GuardingLooseBomb( CBaseEntity *bomb );
+	void RequestBombLocation( void );
+
+	#define IS_PLAN true
+	void GuardingHostages( Place where, bool isPlan = false );
+	void GuardingHostageEscapeZone( bool isPlan = false );
+	void HostagesBeingTaken( void );
+	void HostagesTaken( void );
+	void TalkingToHostages( void );
+	void EscortingHostages( void );
+	void HostageDown( void );
+	void GuardingBombsite( Place where );
+
+	void CelebrateWin( void );
+
+	void Encourage( const char *phraseName, float repeatInterval = 10.0f, float lifetime = 3.0f );	///< "encourage" the player to do the scenario
+
+	void KilledFriend( void );
+	void FriendlyFire( void );
+
+	bool SeesAtLeastOneEnemy( void ) const { return m_seeAtLeastOneEnemy; }
+
+private:
+	BotStatement *m_statementList;										///< list of all active/pending messages for this bot
+
+	void ReportEnemies( void );											///< track nearby enemy count and generate enemy activity statements
+	bool ShouldSpeak( void ) const;										///< return true if we speaking makes sense now
+
+	CCSBot *m_me;														///< the bot this chatter is for
+
+	bool m_seeAtLeastOneEnemy;
+	float m_timeWhenSawFirstEnemy;
+	bool m_reportedEnemies;
+	bool m_requestedBombLocation;										///< true if we already asked where the bomb has been planted
+
+	int m_pitch;
+
+	static IntervalTimer m_radioSilenceInterval[ 2 ];					///< one timer for each team
+
+	IntervalTimer m_needBackupInterval;
+	IntervalTimer m_spottedBomberInterval;
+	IntervalTimer m_scaredInterval;
+	IntervalTimer m_planInterval;
+	CountdownTimer m_spottedLooseBombTimer;
+	CountdownTimer m_heardNoiseTimer;
+	CountdownTimer m_escortingHostageTimer;
+	CountdownTimer m_warnSniperTimer;
+	static CountdownTimer m_encourageTimer;								///< timer to know when we can "encourage" the human player again - shared by all bots
+};
+
+inline BotChatterInterface::VerbosityType BotChatterInterface::GetVerbosity( void ) const
+{
+	const char *string = cv_bot_chatter.GetString();
+
+	if (string == NULL)
+		return NORMAL;
+
+	if (string[0] == 'm' || string[0] == 'M')
+		return MINIMAL;
+
+	if (string[0] == 'r' || string[0] == 'R')
+		return RADIO;
+
+	if (string[0] == 'o' || string[0] == 'O')
+		return OFF;
+
+	return NORMAL;
+}
+
+
+inline bool BotChatterInterface::IsTalking( void ) const	
+{ 
+	if (m_statementList)
+		return m_statementList->IsSpeaking();
+
+	return false;
+}
+
+inline BotStatement *BotChatterInterface::GetStatement( void ) const
+{
+	return m_statementList;
+}
+
+
+inline void BotChatterInterface::Say( const char *phraseName, float lifetime, float delay )
+{
+	BotStatement *say = new BotStatement( this, REPORT_MY_INTENTION, lifetime );
+
+	say->AppendPhrase( TheBotPhrases->GetPhrase( phraseName ) );
+
+	if (delay > 0.0f)
+		say->SetStartTime( gpGlobals->curtime + delay );
+
+	AddStatement( say );
+}
+
+
+
+
+#endif // CS_BOT_CHATTER_H

game/server/cstrike/bot/cs_bot_event.cpp

@@ -0,0 +1,427 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#include "cbase.h"
+#include "cs_gamerules.h"
+#include "KeyValues.h"
+
+#include "cs_bot.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Checks if the bot can hear the event
+ */
+void CCSBot::OnAudibleEvent( IGameEvent *event, CBasePlayer *player, float range, PriorityType priority, bool isHostile, bool isFootstep, const Vector *actualOrigin )
+{
+	/// @todo Listen to non-player sounds
+	if (player == NULL)
+		return;
+
+	// don't pay attention to noise that friends make
+	if (!IsEnemy( player ))
+		return;
+
+	Vector playerOrigin = GetCentroid( player );
+	Vector myOrigin = GetCentroid( this );
+
+	// If the event occurs far from the triggering player, it may override the origin
+	if ( actualOrigin )
+	{
+		playerOrigin = *actualOrigin;
+	}
+
+	// check if noise is close enough for us to hear
+	const Vector *newNoisePosition = &playerOrigin;
+	float newNoiseDist = (myOrigin - *newNoisePosition).Length();
+	if (newNoiseDist < range)
+	{
+		// we heard the sound
+		if ((IsLocalPlayerWatchingMe() && cv_bot_debug.GetInt() == 3) || cv_bot_debug.GetInt() == 4)
+		{
+			PrintIfWatched( "Heard noise (%s from %s, pri %s, time %3.1f)\n", 
+											(FStrEq( "weapon_fire", event->GetName() )) ? "Weapon fire " : "",
+											(player) ? player->GetPlayerName() : "NULL",
+											(priority == PRIORITY_HIGH) ? "HIGH" : ((priority == PRIORITY_MEDIUM) ? "MEDIUM" : "LOW"),
+											gpGlobals->curtime );
+		}
+
+		// should we pay attention to it
+		// if noise timestamp is zero, there is no prior noise
+		if (m_noiseTimestamp > 0.0f)
+		{
+			// only overwrite recent sound if we are louder (closer), or more important - if old noise was long ago, its faded
+			const float shortTermMemoryTime = 3.0f;
+			if (gpGlobals->curtime - m_noiseTimestamp < shortTermMemoryTime)
+			{
+				// prior noise is more important - ignore new one
+				if (priority < m_noisePriority)
+					return;
+
+				float oldNoiseDist = (myOrigin - m_noisePosition).Length();
+				if (newNoiseDist >= oldNoiseDist)
+					return;
+			}
+		}
+
+		// find the area in which the noise occured
+		/// @todo Better handle when noise occurs off the nav mesh
+		/// @todo Make sure noise area is not through a wall or ceiling from source of noise
+		/// @todo Change GetNavTravelTime to better deal with NULL destination areas
+		CNavArea *noiseArea = TheNavMesh->GetNearestNavArea( *newNoisePosition );
+		if (noiseArea == NULL)
+		{
+			PrintIfWatched( "  *** Noise occurred off the nav mesh - ignoring!\n" );
+			return;
+		}
+
+		m_noiseArea = noiseArea;
+
+		// remember noise priority
+		m_noisePriority = priority;
+
+		// randomize noise position in the area a bit - hearing isn't very accurate
+		// the closer the noise is, the more accurate our placement
+		/// @todo Make sure not to pick a position on the opposite side of ourselves.
+		const float maxErrorRadius = 400.0f;
+		const float maxHearingRange = 2000.0f;
+		float errorRadius = maxErrorRadius * newNoiseDist/maxHearingRange;
+
+		m_noisePosition.x = newNoisePosition->x + RandomFloat( -errorRadius, errorRadius );
+		m_noisePosition.y = newNoisePosition->y + RandomFloat( -errorRadius, errorRadius );
+
+		// note the *travel distance* to the noise
+		m_noiseTravelDistance = GetTravelDistanceToPlayer( (CCSPlayer *)player );
+
+		// make sure noise position remains in the same area
+		m_noiseArea->GetClosestPointOnArea( m_noisePosition, &m_noisePosition );
+
+		// note when we heard the noise
+		m_noiseTimestamp = gpGlobals->curtime;
+
+		// if we hear a nearby enemy, become alert
+		const float nearbyNoiseRange = 1000.0f;
+		if (m_noiseTravelDistance < nearbyNoiseRange && m_noiseTravelDistance > 0.0f)
+		{
+			BecomeAlert();
+		}
+	}
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnHEGrenadeDetonate( IGameEvent *event )
+{
+	if ( !IsAlive() )
+		return;
+
+	// don't react to our own events
+	CBasePlayer *player = UTIL_PlayerByUserId( event->GetInt( "userid" ) );
+	if ( player == this )
+		return;
+
+	OnAudibleEvent( event, player, 99999.0f, PRIORITY_HIGH, true ); // hegrenade_detonate
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnFlashbangDetonate( IGameEvent *event )
+{
+	if ( !IsAlive() )
+		return;
+
+	// don't react to our own events
+	CBasePlayer *player = UTIL_PlayerByUserId( event->GetInt( "userid" ) );
+	if ( player == this )
+		return;
+
+	OnAudibleEvent( event, player, 1000.0f, PRIORITY_LOW, true ); // flashbang_detonate
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnSmokeGrenadeDetonate( IGameEvent *event )
+{
+	if ( !IsAlive() )
+		return;
+
+	// don't react to our own events
+	CBasePlayer *player = UTIL_PlayerByUserId( event->GetInt( "userid" ) );
+	if ( player == this )
+		return;
+
+	OnAudibleEvent( event, player, 1000.0f, PRIORITY_LOW, true ); // smokegrenade_detonate
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnGrenadeBounce( IGameEvent *event )
+{
+	if ( !IsAlive() )
+		return;
+
+	// don't react to our own events
+	CBasePlayer *player = UTIL_PlayerByUserId( event->GetInt( "userid" ) );
+	if ( player == this )
+		return;
+
+	OnAudibleEvent( event, player, 500.0f, PRIORITY_LOW, true ); // grenade_bounce
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnBulletImpact( IGameEvent *event )
+{
+	if ( !IsAlive() )
+		return;
+
+	// don't react to our own events
+	CBasePlayer *player = UTIL_PlayerByUserId( event->GetInt( "userid" ) );
+	if ( player == this )
+		return;
+
+	// Construct an origin for the sound, since it can be far from the originating player
+	Vector actualOrigin;
+	actualOrigin.x = event->GetFloat( "x", 0.0f );
+	actualOrigin.y = event->GetFloat( "y", 0.0f );
+	actualOrigin.z = event->GetFloat( "z", 0.0f );
+
+	/// @todo Ignoring bullet impact events for now - we dont want bots to look directly at them!
+	//OnAudibleEvent( event, player, 1100.0f, PRIORITY_MEDIUM, true, false, &actualOrigin ); // bullet_impact
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnBreakProp( IGameEvent *event )
+{
+	if ( !IsAlive() )
+		return;
+
+	// don't react to our own events
+	CBasePlayer *player = UTIL_PlayerByUserId( event->GetInt( "userid" ) );
+	if ( player == this )
+		return;
+
+	OnAudibleEvent( event, player, 1100.0f, PRIORITY_MEDIUM, true ); // break_prop
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnBreakBreakable( IGameEvent *event )
+{
+	if ( !IsAlive() )
+		return;
+
+	// don't react to our own events
+	CBasePlayer *player = UTIL_PlayerByUserId( event->GetInt( "userid" ) );
+	if ( player == this )
+		return;
+
+	OnAudibleEvent( event, player, 1100.0f, PRIORITY_MEDIUM, true ); // break_glass
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnDoorMoving( IGameEvent *event )
+{
+	if ( !IsAlive() )
+		return;
+
+	// don't react to our own events
+	CBasePlayer *player = UTIL_PlayerByUserId( event->GetInt( "userid" ) );
+	if ( player == this )
+		return;
+
+	OnAudibleEvent( event, player, 1100.0f, PRIORITY_MEDIUM, false ); // door_moving
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnHostageFollows( IGameEvent *event )
+{
+	if ( !IsAlive() )
+		return;
+
+	// don't react to our own events
+	CBasePlayer *player = UTIL_PlayerByUserId( event->GetInt( "userid" ) );
+	if ( player == this )
+		return;
+
+	// player_follows needs a player
+	if (player == NULL)
+		return;
+
+	// don't pay attention to noise that friends make
+	if (!IsEnemy( player ))
+		return;
+
+	Vector playerOrigin = GetCentroid( player );
+	Vector myOrigin = GetCentroid( this );
+	const float range = 1200.0f;
+
+	// this is here so T's not only act on the noise, but look at it, too
+	if (GetTeamNumber() == TEAM_TERRORIST)
+	{
+		// make sure we can hear the noise
+		if ((playerOrigin - myOrigin).IsLengthGreaterThan( range ))
+			return;
+
+		// tell our teammates that the hostages are being taken
+		GetChatter()->HostagesBeingTaken();
+
+		// only move if we hear them being rescued and can't see any hostages
+		if (GetGameState()->GetNearestVisibleFreeHostage() == NULL)
+		{			
+			// since we are guarding the hostages, presumably we know where they are
+			// if we're close enough to "hear" this event, either go to where the event occured,
+			// or head for an escape zone to head them off
+			if (GetTask() != CCSBot::GUARD_HOSTAGE_RESCUE_ZONE)
+			{
+				//const float headOffChance = 33.3f;
+				if (true) // || RandomFloat( 0, 100 ) < headOffChance)
+				{
+					// head them off at a rescue zone
+					if (GuardRandomZone())
+					{
+						SetTask( CCSBot::GUARD_HOSTAGE_RESCUE_ZONE );
+						SetDisposition( CCSBot::OPPORTUNITY_FIRE );
+						PrintIfWatched( "Trying to beat them to an escape zone!\n" );
+					}
+				}
+				else
+				{
+					SetTask( SEEK_AND_DESTROY );
+					StandUp();
+					Run();
+					MoveTo( playerOrigin, FASTEST_ROUTE );
+				}
+			}
+		}
+	}
+	else
+	{
+		// CT's don't care about this noise
+		return;
+	}
+
+	OnAudibleEvent( event, player, range, PRIORITY_MEDIUM, false ); // hostage_follows
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnRoundEnd( IGameEvent *event )
+{
+	// Morale adjustments happen even for dead players
+	int winner = event->GetInt( "winner" );
+	switch ( winner )
+	{
+	case WINNER_TER:
+		if (GetTeamNumber() == TEAM_CT)
+		{
+			DecreaseMorale();
+		}
+		else
+		{
+			IncreaseMorale();
+		}
+		break;
+
+	case WINNER_CT:
+		if (GetTeamNumber() == TEAM_CT)
+		{
+			IncreaseMorale();
+		}
+		else
+		{
+			DecreaseMorale();
+		}
+		break;
+
+	default:
+		break;
+	}
+
+	m_gameState.OnRoundEnd( event );
+
+	if ( !IsAlive() )
+		return;
+
+	if ( event->GetInt( "winner" ) == WINNER_TER )
+	{
+		if (GetTeamNumber() == TEAM_TERRORIST)
+			GetChatter()->CelebrateWin();
+	}
+	else if ( event->GetInt( "winner" ) == WINNER_CT )
+	{
+		if (GetTeamNumber() == TEAM_CT)
+			GetChatter()->CelebrateWin();
+	}
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnRoundStart( IGameEvent *event )
+{
+	m_gameState.OnRoundStart( event );
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnHostageRescuedAll( IGameEvent *event )
+{
+	m_gameState.OnHostageRescuedAll( event );
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnNavBlocked( IGameEvent *event )
+{
+	if ( event->GetBool( "blocked" ) )
+	{
+		unsigned int areaID = event->GetInt( "area" );
+		if ( areaID )
+		{
+			// An area was blocked off.  Reset our path if it has this area on it.
+			for( int i=0; i<m_pathLength; ++i )
+			{
+				const ConnectInfo *info = &m_path[ i ];
+				if ( info->area && info->area->GetID() == areaID )
+				{
+					DestroyPath();
+					return;
+				}
+			}
+		}
+	}
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Invoked when bot enters a nav area
+ */
+void CCSBot::OnEnteredNavArea( CNavArea *newArea )
+{
+	// assume that we "clear" an area of enemies when we enter it
+	newArea->SetClearedTimestamp( GetTeamNumber()-1 );
+
+	// if we just entered a 'stop' area, set the flag
+	if ( newArea->GetAttributes() & NAV_MESH_STOP )
+	{
+		m_isStopping = true;
+	}
+
+	/// @todo Flag these areas as spawn areas during load
+	if (IsAtEnemySpawn())
+	{
+		m_hasVisitedEnemySpawn = true;
+	}
+}

game/server/cstrike/bot/cs_bot_event_bomb.cpp

@@ -0,0 +1,158 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#include "cbase.h"
+#include "cs_gamerules.h"
+#include "KeyValues.h"
+
+#include "cs_bot.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnBombPickedUp( IGameEvent *event )
+{
+	if ( !IsAlive() )
+		return;
+
+	// don't react to our own events
+	CBasePlayer *player = UTIL_PlayerByUserId( event->GetInt( "userid" ) );
+	if ( player == this )
+		return;
+
+	if (GetTeamNumber() == TEAM_CT && player)
+	{
+		// check if we're close enough to hear it
+		const float bombPickupHearRangeSq = 1000.0f * 1000.0f;
+		Vector myOrigin = GetCentroid( this );
+
+		if ((myOrigin - player->GetAbsOrigin()).LengthSqr() < bombPickupHearRangeSq)
+		{
+			GetChatter()->TheyPickedUpTheBomb();
+			GetGameState()->UpdateBomber( player->GetAbsOrigin() );
+		}
+	}
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnBombPlanted( IGameEvent *event )
+{
+	m_gameState.OnBombPlanted( event );
+
+	if ( !IsAlive() )
+		return;
+
+	// don't react to our own events
+	CBasePlayer *player = UTIL_PlayerByUserId( event->GetInt( "userid" ) );
+	if ( player == this )
+		return;
+
+	// if we're a TEAM_CT, forget what we're doing and go after the bomb
+	if (GetTeamNumber() == TEAM_CT)
+	{
+		Idle();
+	}
+
+	// if we are following someone, stop following
+	if (IsFollowing())
+	{
+		StopFollowing();
+		Idle();
+	}
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnBombBeep( IGameEvent *event )
+{
+	if ( !IsAlive() )
+		return;
+
+	// don't react to our own events
+	CBasePlayer *player = UTIL_PlayerByUserId( event->GetInt( "userid" ) );
+	if ( player == this )
+		return;
+
+	CBaseEntity *entity = UTIL_EntityByIndex( event->GetInt( "entindex" ) );
+	Vector myOrigin = GetCentroid( this );
+
+	// if we don't know where the bomb is, but heard it beep, we've discovered it
+	if (GetGameState()->IsPlantedBombLocationKnown() == false && entity)
+	{
+		// check if we're close enough to hear it
+		const float bombBeepHearRangeSq = 1500.0f * 1500.0f;
+		if ((myOrigin - entity->GetAbsOrigin()).LengthSqr() < bombBeepHearRangeSq)
+		{
+			// radio the news to our team
+			if (GetTeamNumber() == TEAM_CT && GetGameState()->GetPlantedBombsite() == CSGameState::UNKNOWN)
+			{
+				const CCSBotManager::Zone *zone = TheCSBots()->GetZone( entity->GetAbsOrigin() );
+				if (zone)
+					GetChatter()->FoundPlantedBomb( zone->m_index );
+			}
+
+			// remember where the bomb is
+			GetGameState()->UpdatePlantedBomb( entity->GetAbsOrigin() );
+		}
+	}
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnBombDefuseBegin( IGameEvent *event )
+{
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnBombDefused( IGameEvent *event )
+{
+	m_gameState.OnBombDefused( event );
+
+	if ( !IsAlive() )
+		return;
+
+	// don't react to our own events
+	CBasePlayer *player = UTIL_PlayerByUserId( event->GetInt( "userid" ) );
+	if ( player == this )
+		return;
+
+	if (GetTeamNumber() == TEAM_CT)
+	{
+		if (TheCSBots()->GetBombTimeLeft() < 2.0f)
+			GetChatter()->Say( "BarelyDefused" );
+	}
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnBombDefuseAbort( IGameEvent *event )
+{
+	if ( !IsAlive() )
+		return;
+
+	// don't react to our own events
+	CBasePlayer *player = UTIL_PlayerByUserId( event->GetInt( "userid" ) );
+	if ( player == this )
+		return;
+
+	PrintIfWatched( "BOMB DEFUSE ABORTED\n" );
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnBombExploded( IGameEvent *event )
+{
+	m_gameState.OnBombExploded( event );
+}
+
+
+

game/server/cstrike/bot/cs_bot_event_player.cpp

@@ -0,0 +1,227 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#include "cbase.h"
+#include "cs_gamerules.h"
+#include "KeyValues.h"
+
+#include "cs_bot.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnPlayerDeath( IGameEvent *event )
+{
+	if ( !IsAlive() )
+		return;
+
+	// don't react to our own events
+	CBasePlayer *player = UTIL_PlayerByUserId( event->GetInt( "userid" ) );
+	if ( player == this )
+		return;
+
+	Vector playerOrigin = (player) ? GetCentroid( player ) : Vector( 0, 0, 0 );
+
+	CBasePlayer *other = UTIL_PlayerByUserId( event->GetInt( "attacker" ) );
+	CBasePlayer *victim = player;
+
+	CBasePlayer *killer = (other && other->IsPlayer()) ? static_cast<CBasePlayer *>( other ) : NULL;
+
+	// if the human player died in the single player game, tell the team
+	if (CSGameRules()->IsCareer() && victim && !victim->IsBot() && victim->GetTeamNumber() == GetTeamNumber())
+	{
+		GetChatter()->Say( "CommanderDown", 20.0f );
+	}
+
+	// keep track of the last player we killed
+	if (killer == this)
+	{
+		m_lastVictimID = victim ? victim->entindex() : 0;
+	}
+
+	// react to teammate death
+	if (victim && victim->GetTeamNumber() == GetTeamNumber())
+	{
+		// note time of death
+		m_friendDeathTimestamp = gpGlobals->curtime;
+
+		// chastise friendly fire from humans
+		if (killer && !killer->IsBot() && killer->GetTeamNumber() == GetTeamNumber() && killer != this)
+		{
+			GetChatter()->KilledFriend();
+		}
+
+		if (IsAttacking())
+		{
+			if (GetTimeSinceLastSawEnemy() > 0.4f)
+			{
+				PrintIfWatched( "Rethinking my attack due to teammate death\n" );
+
+				// allow us to sneak past windows, doors, etc
+				IgnoreEnemies( 1.0f );
+
+				// move to last known position of enemy - this could cause us to flank if 
+				// the danger has changed due to our teammate's recent death
+				SetTask( MOVE_TO_LAST_KNOWN_ENEMY_POSITION, GetBotEnemy() );
+				MoveTo( GetLastKnownEnemyPosition() );
+				return;
+			}
+		}
+		else	// not attacking
+		{
+			//
+			// If we just saw a nearby friend die, and we haven't yet acquired an enemy
+			// automatically acquire our dead friend's killer
+			//
+			if (GetDisposition() == ENGAGE_AND_INVESTIGATE || GetDisposition() == OPPORTUNITY_FIRE)
+			{
+				CBasePlayer *other = UTIL_PlayerByUserId( event->GetInt( "attacker" ) );
+
+				// check that attacker is an enemy (for friendly fire, etc)
+				if (other && other->IsPlayer())
+				{
+					CCSPlayer *killer = static_cast<CCSPlayer *>( other );
+					if (killer->GetTeamNumber() != GetTeamNumber())
+					{
+						// check if we saw our friend die - dont check FOV - assume we're aware of our surroundings in combat
+						// snipers stay put
+						if (!IsSniper() && IsVisible( playerOrigin ))
+						{
+							// people are dying - we should hurry
+							Hurry( RandomFloat( 10.0f, 15.0f ) );
+
+							// if we're hiding with only our knife, be a little more cautious
+							const float knifeAmbushChance = 50.0f;
+							if (!IsHiding() || !IsUsingKnife() || RandomFloat( 0, 100 ) < knifeAmbushChance)
+							{
+								PrintIfWatched( "Attacking our friend's killer!\n" );
+								Attack( killer );
+								return;
+							}
+						}
+
+						// if friend was far away and we haven't seen an enemy in awhile, go to where our friend was killed
+						const float longHidingTime = 20.0f;
+						if (IsHunting() || IsInvestigatingNoise() || (IsHiding() && GetTask() != FOLLOW && GetHidingTime() > longHidingTime))
+						{
+							const float someTime = 10.0f;
+							const float farAway = 750.0f;
+							if (GetTimeSinceLastSawEnemy() > someTime && (playerOrigin - GetAbsOrigin()).IsLengthGreaterThan( farAway ))
+							{
+								PrintIfWatched( "Checking out where our friend was killed\n" );
+								MoveTo( playerOrigin, FASTEST_ROUTE );
+								return;
+							}
+						}
+					}
+				}
+			}
+		}
+	}
+	else  // an enemy was killed
+	{
+		// forget our current noise - it may have come from the now dead enemy
+		ForgetNoise();
+
+		if (killer && killer->GetTeamNumber() == GetTeamNumber())
+		{
+			// only chatter about enemy kills if we see them occur, and they were the last one we see
+			if (GetNearbyEnemyCount() <= 1)
+			{
+				// report if number of enemies left is few and we killed the last one we saw locally
+				GetChatter()->EnemiesRemaining();
+
+				Vector victimOrigin = (victim) ? GetCentroid( victim ) : Vector( 0, 0, 0 );
+				if (IsVisible( victimOrigin, CHECK_FOV ))
+				{						
+					// congratulate teammates on their kills
+					if (killer && killer != this)
+					{
+						float delay = RandomFloat( 2.0f, 3.0f );
+						if (killer->IsBot())
+						{
+							if (RandomFloat( 0.0f, 100.0f ) < 40.0f)
+								GetChatter()->Say( "NiceShot", 3.0f, delay );
+						}
+						else
+						{
+							// humans get the honorific
+							if (CSGameRules()->IsCareer())
+								GetChatter()->Say( "NiceShotCommander", 3.0f, delay );
+							else
+								GetChatter()->Say( "NiceShotSir", 3.0f, delay );
+						}
+					}
+				}
+			}
+		}
+	}
+}
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnPlayerRadio( IGameEvent *event )
+{
+	if ( !IsAlive() )
+		return;
+
+	// don't react to our own events
+	CCSPlayer *player = ToCSPlayer( UTIL_PlayerByUserId( event->GetInt( "userid" ) ) );
+	if ( player == this )
+		return;
+
+	//
+	// Process radio events from our team
+	//
+	if (player && player->GetTeamNumber() == GetTeamNumber() )
+	{
+		/// @todo Distinguish between radio commands and responses
+		RadioType radioEvent = (RadioType)event->GetInt( "slot" );
+
+		if (radioEvent != RADIO_INVALID && radioEvent != RADIO_AFFIRMATIVE && radioEvent != RADIO_NEGATIVE && radioEvent != RADIO_REPORTING_IN)
+		{
+			m_lastRadioCommand = radioEvent;
+			m_lastRadioRecievedTimestamp = gpGlobals->curtime;
+			m_radioSubject = player;
+			m_radioPosition = GetCentroid( player );
+		}
+	}
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnPlayerFallDamage( IGameEvent *event )
+{
+	if ( !IsAlive() )
+		return;
+
+	// don't react to our own events
+	CBasePlayer *player = UTIL_PlayerByUserId( event->GetInt( "userid" ) );
+	if ( player == this )
+		return;
+
+	OnAudibleEvent( event, player, 1100.0f, PRIORITY_LOW, false ); // player_falldamage
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnPlayerFootstep( IGameEvent *event )
+{
+	if ( !IsAlive() )
+		return;
+
+	// don't react to our own events
+	CBasePlayer *player = UTIL_PlayerByUserId( event->GetInt( "userid" ) );
+	if ( player == this )
+		return;
+
+	OnAudibleEvent( event, player, 1100.0f, PRIORITY_LOW, false, IS_FOOTSTEP ); // player_footstep
+}
+
+

game/server/cstrike/bot/cs_bot_event_weapon.cpp

@@ -0,0 +1,167 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#include "cbase.h"
+#include "cs_gamerules.h"
+#include "KeyValues.h"
+
+#include "cs_bot.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnWeaponFire( IGameEvent *event )
+{
+	if ( !IsAlive() )
+		return;
+
+	// don't react to our own events
+	CBasePlayer *player = UTIL_PlayerByUserId( event->GetInt( "userid" ) );
+	if ( player == this )
+		return;
+
+	// for knife fighting - if our victim is attacking or reloading, rush him
+	/// @todo Propagate events into active state
+	if (GetEnemy() == player && IsUsingKnife())
+	{
+		ForceRun( 5.0f );
+	}
+
+	const float ShortRange = 1000.0f;
+	const float NormalRange = 2000.0f;
+
+	float range;
+
+	/// @todo Check weapon type (knives are pretty quiet)
+	/// @todo Use actual volume, account for silencers, etc.
+	CWeaponCSBase *weapon = (CWeaponCSBase *)((player)?player->GetActiveWeapon():NULL);
+
+	if (weapon == NULL)
+		return;
+
+	switch( weapon->GetWeaponID() )
+	{
+		// silent "firing"
+		case WEAPON_HEGRENADE:
+		case WEAPON_SMOKEGRENADE:
+		case WEAPON_FLASHBANG:
+		case WEAPON_SHIELDGUN:
+		case WEAPON_C4:
+			return;
+
+		// quiet
+		case WEAPON_KNIFE:
+		case WEAPON_TMP:
+			range = ShortRange;
+			break;
+
+		// M4A1 - check for silencer
+		case WEAPON_M4A1:
+		{					
+			if (weapon->IsSilenced())
+			{
+				range = ShortRange;
+			}
+			else
+			{
+				range = NormalRange;
+			}
+			break;
+		}
+
+		// USP - check for silencer
+		case WEAPON_USP:
+		{
+			if (weapon->IsSilenced())
+			{
+				range = ShortRange;
+			}
+			else
+			{
+				range = NormalRange;
+			}
+			break;
+		}
+
+		// loud
+		case WEAPON_AWP:
+			range = 99999.0f;
+			break;
+
+		// normal
+		default:
+			range = NormalRange;
+			break;
+	}
+
+	OnAudibleEvent( event, player, range, PRIORITY_HIGH, true ); // weapon_fire
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnWeaponFireOnEmpty( IGameEvent *event )
+{
+	if ( !IsAlive() )
+		return;
+
+	// don't react to our own events
+	CBasePlayer *player = UTIL_PlayerByUserId( event->GetInt( "userid" ) );
+	if ( player == this )
+		return;
+
+	// for knife fighting - if our victim is attacking or reloading, rush him
+	/// @todo Propagate events into active state
+	if (GetEnemy() == player && IsUsingKnife())
+	{
+		ForceRun( 5.0f );
+	}
+
+	OnAudibleEvent( event, player, 1100.0f, PRIORITY_LOW, false ); // weapon_fire_on_empty
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnWeaponReload( IGameEvent *event )
+{
+	if ( !IsAlive() )
+		return;
+
+	// don't react to our own events
+	CBasePlayer *player = UTIL_PlayerByUserId( event->GetInt( "userid" ) );
+	if ( player == this )
+		return;
+
+	// for knife fighting - if our victim is attacking or reloading, rush him
+	/// @todo Propagate events into active state
+	if (GetEnemy() == player && IsUsingKnife())
+	{
+		ForceRun( 5.0f );
+	}
+
+	OnAudibleEvent( event, player, 1100.0f, PRIORITY_LOW, false ); // weapon_reload
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::OnWeaponZoom( IGameEvent *event )
+{
+	if ( !IsAlive() )
+		return;
+
+	// don't react to our own events
+	CBasePlayer *player = UTIL_PlayerByUserId( event->GetInt( "userid" ) );
+	if ( player == this )
+		return;
+
+	OnAudibleEvent( event, player, 1100.0f, PRIORITY_LOW, false ); // weapon_zoom
+}
+
+
+

game/server/cstrike/bot/cs_bot_init.cpp

@@ -0,0 +1,359 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#include "cbase.h"
+#include "cs_bot.h"
+#include "cs_shareddefs.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+#pragma warning( disable : 4355 )			// warning 'this' used in base member initializer list - we're using it safely
+
+
+//--------------------------------------------------------------------------------------------------------------
+static void PrefixChanged( IConVar *c, const char *oldPrefix, float flOldValue )
+{
+	if ( TheCSBots() && TheCSBots()->IsServerActive() )
+	{
+		for( int i = 1; i <= gpGlobals->maxClients; ++i )
+		{
+			CBasePlayer *player = static_cast<CBasePlayer *>( UTIL_PlayerByIndex( i ) );
+
+			if ( !player )
+				continue;
+
+			if ( !player->IsBot() || !IsEntityValid( player ) )
+				continue;
+
+			CCSBot *bot = dynamic_cast< CCSBot * >( player );
+
+			if ( !bot )
+				continue;
+
+			// set the bot's name
+			char botName[MAX_PLAYER_NAME_LENGTH];
+			UTIL_ConstructBotNetName( botName, MAX_PLAYER_NAME_LENGTH, bot->GetProfile() );
+
+			engine->SetFakeClientConVarValue( bot->edict(), "name", botName );
+		}
+	}
+}
+
+
+ConVar cv_bot_traceview( "bot_traceview", "0", FCVAR_REPLICATED | FCVAR_CHEAT, "For internal testing purposes." );
+ConVar cv_bot_stop( "bot_stop", "0", FCVAR_REPLICATED | FCVAR_CHEAT, "If nonzero, immediately stops all bot processing." );
+ConVar cv_bot_show_nav( "bot_show_nav", "0", FCVAR_REPLICATED | FCVAR_CHEAT, "For internal testing purposes." );
+ConVar cv_bot_walk( "bot_walk", "0", FCVAR_REPLICATED, "If nonzero, bots can only walk, not run." );
+ConVar cv_bot_difficulty( "bot_difficulty", "1", FCVAR_REPLICATED, "Defines the skill of bots joining the game.  Values are: 0=easy, 1=normal, 2=hard, 3=expert." );
+ConVar cv_bot_debug( "bot_debug", "0", FCVAR_REPLICATED | FCVAR_CHEAT, "For internal testing purposes." );
+ConVar cv_bot_debug_target( "bot_debug_target", "0", FCVAR_REPLICATED | FCVAR_CHEAT, "For internal testing purposes." );
+ConVar cv_bot_quota( "bot_quota", "0", FCVAR_REPLICATED | FCVAR_NOTIFY, "Determines the total number of bots in the game." );
+ConVar cv_bot_quota_mode( "bot_quota_mode", "normal", FCVAR_REPLICATED, "Determines the type of quota.\nAllowed values: 'normal', 'fill', and 'match'.\nIf 'fill', the server will adjust bots to keep N players in the game, where N is bot_quota.\nIf 'match', the server will maintain a 1:N ratio of humans to bots, where N is bot_quota." );
+ConVar cv_bot_prefix( "bot_prefix", "", FCVAR_REPLICATED, "This string is prefixed to the name of all bots that join the game.\n<difficulty> will be replaced with the bot's difficulty.\n<weaponclass> will be replaced with the bot's desired weapon class.\n<skill> will be replaced with a 0-100 representation of the bot's skill.", PrefixChanged );
+ConVar cv_bot_allow_rogues( "bot_allow_rogues", "1", FCVAR_REPLICATED, "If nonzero, bots may occasionally go 'rogue'. Rogue bots do not obey radio commands, nor pursue scenario goals." );
+ConVar cv_bot_allow_pistols( "bot_allow_pistols", "1", FCVAR_REPLICATED, "If nonzero, bots may use pistols." );
+ConVar cv_bot_allow_shotguns( "bot_allow_shotguns", "1", FCVAR_REPLICATED, "If nonzero, bots may use shotguns." );
+ConVar cv_bot_allow_sub_machine_guns( "bot_allow_sub_machine_guns", "1", FCVAR_REPLICATED, "If nonzero, bots may use sub-machine guns." );
+ConVar cv_bot_allow_rifles( "bot_allow_rifles", "1", FCVAR_REPLICATED, "If nonzero, bots may use rifles." );
+ConVar cv_bot_allow_machine_guns( "bot_allow_machine_guns", "1", FCVAR_REPLICATED, "If nonzero, bots may use the machine gun." );
+ConVar cv_bot_allow_grenades( "bot_allow_grenades", "1", FCVAR_REPLICATED, "If nonzero, bots may use grenades." );
+ConVar cv_bot_allow_snipers( "bot_allow_snipers", "1", FCVAR_REPLICATED, "If nonzero, bots may use sniper rifles." );
+#ifdef CS_SHIELD_ENABLED
+ConVar cv_bot_allow_shield( "bot_allow_shield", "1", FCVAR_REPLICATED );
+#endif // CS_SHIELD_ENABLED
+ConVar cv_bot_join_team( "bot_join_team", "any", FCVAR_REPLICATED, "Determines the team bots will join into. Allowed values: 'any', 'T', or 'CT'." );
+ConVar cv_bot_join_after_player( "bot_join_after_player", "1", FCVAR_REPLICATED, "If nonzero, bots wait until a player joins before entering the game." );
+ConVar cv_bot_auto_vacate( "bot_auto_vacate", "1", FCVAR_REPLICATED, "If nonzero, bots will automatically leave to make room for human players." );
+ConVar cv_bot_zombie( "bot_zombie", "0", FCVAR_REPLICATED | FCVAR_CHEAT, "If nonzero, bots will stay in idle mode and not attack." );
+ConVar cv_bot_defer_to_human( "bot_defer_to_human", "0", FCVAR_REPLICATED, "If nonzero and there is a human on the team, the bots will not do the scenario tasks." );
+ConVar cv_bot_chatter( "bot_chatter", "normal", FCVAR_REPLICATED, "Control how bots talk. Allowed values: 'off', 'radio', 'minimal', or 'normal'." );
+ConVar cv_bot_profile_db( "bot_profile_db", "BotProfile.db", FCVAR_REPLICATED, "The filename from which bot profiles will be read." );
+ConVar cv_bot_dont_shoot( "bot_dont_shoot", "0", FCVAR_REPLICATED | FCVAR_CHEAT, "If nonzero, bots will not fire weapons (for debugging)." );
+ConVar cv_bot_eco_limit( "bot_eco_limit", "2000", FCVAR_REPLICATED, "If nonzero, bots will not buy if their money falls below this amount." );
+ConVar cv_bot_auto_follow( "bot_auto_follow", "0", FCVAR_REPLICATED, "If nonzero, bots with high co-op may automatically follow a nearby human player." );
+ConVar cv_bot_flipout( "bot_flipout", "0", FCVAR_REPLICATED | FCVAR_CHEAT, "If nonzero, bots use no CPU for AI. Instead, they run around randomly." );
+
+
+extern void FinishClientPutInServer( CCSPlayer *pPlayer );
+
+
+//--------------------------------------------------------------------------------------------------------------
+// Engine callback for custom server commands
+void Bot_ServerCommand( void )
+{
+}
+
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Constructor
+ */
+CCSBot::CCSBot( void ) : m_chatter( this ), m_gameState( this )
+{
+	m_hasJoined = false;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Destructor
+ */
+CCSBot::~CCSBot()
+{
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Prepare bot for action
+ */
+bool CCSBot::Initialize( const BotProfile *profile, int team )
+{
+	// extend
+	BaseClass::Initialize( profile, team );
+
+	// CS bot initialization
+	m_diedLastRound = false;
+	m_morale = POSITIVE;			// starting a new round makes everyone a little happy
+
+	m_combatRange = RandomFloat( 325.0f, 425.0f );
+
+	// set initial safe time guess for this map
+	m_safeTime = 15.0f + 5.0f * GetProfile()->GetAggression();
+
+	m_name[0] = '\000';
+
+	ResetValues();
+
+	m_desiredTeam = team;
+
+	if (GetTeamNumber() == 0)
+	{
+		HandleCommand_JoinTeam( m_desiredTeam );
+		int desiredClass = GetProfile()->GetSkin();
+		if ( m_desiredTeam == TEAM_CT && desiredClass )
+		{
+			desiredClass = FIRST_CT_CLASS + desiredClass - 1;
+		}
+		else if ( m_desiredTeam == TEAM_TERRORIST && desiredClass )
+		{
+			desiredClass = FIRST_T_CLASS + desiredClass - 1;
+		}
+		HandleCommand_JoinClass( desiredClass );
+	}
+
+	return true;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Reset internal data to initial state
+ */
+void CCSBot::ResetValues( void )
+{
+	m_chatter.Reset();
+	m_gameState.Reset();
+
+	m_avoid = NULL;
+	m_avoidTimestamp = 0.0f;
+
+	m_hurryTimer.Invalidate();
+	m_alertTimer.Invalidate();
+	m_sneakTimer.Invalidate();
+	m_noiseBendTimer.Invalidate();
+	m_bendNoisePositionValid = false;
+
+	m_isStuck = false;
+	m_stuckTimestamp = 0.0f;
+	m_wiggleTimer.Invalidate();
+	m_stuckJumpTimer.Invalidate();
+
+	m_pathLength = 0;
+	m_pathIndex = 0;
+	m_areaEnteredTimestamp = 0.0f;
+	m_currentArea = NULL;
+	m_lastKnownArea = NULL;
+	m_isStopping = false;
+
+	m_avoidFriendTimer.Invalidate();
+	m_isFriendInTheWay = false;
+	m_isWaitingBehindFriend = false;
+	m_isAvoidingGrenade.Invalidate();
+
+	StopPanicking();
+
+	m_disposition = ENGAGE_AND_INVESTIGATE;
+
+	m_enemy = NULL;
+
+	m_grenadeTossState = NOT_THROWING;
+	m_initialEncounterArea = NULL;
+
+	m_wasSafe = true;
+
+	m_nearbyEnemyCount = 0;
+	m_enemyPlace = 0;
+	m_nearbyFriendCount = 0;
+	m_closestVisibleFriend = NULL;
+	m_closestVisibleHumanFriend = NULL;
+
+	for( int w=0; w<MAX_PLAYERS; ++w )
+	{
+		m_watchInfo[w].timestamp = 0.0f;
+		m_watchInfo[w].isEnemy = false;
+
+		m_playerTravelDistance[ w ] = -1.0f;
+	}
+
+	// randomly offset each bot's timer to spread computation out
+	m_updateTravelDistanceTimer.Start( RandomFloat( 0.0f, 0.9f ) );
+	m_travelDistancePhase = 0;
+
+	m_isEnemyVisible = false;
+	m_visibleEnemyParts = NONE;
+	m_lastSawEnemyTimestamp = -999.9f;
+	m_firstSawEnemyTimestamp = 0.0f;
+	m_currentEnemyAcquireTimestamp = 0.0f;
+	m_isLastEnemyDead = true;
+	m_attacker = NULL;
+	m_attackedTimestamp = 0.0f;
+	m_enemyDeathTimestamp = 0.0f;
+	m_friendDeathTimestamp = 0.0f;
+	m_lastVictimID = 0;
+	m_isAimingAtEnemy = false;
+	m_fireWeaponTimestamp = 0.0f;
+	m_equipTimer.Invalidate();
+	m_zoomTimer.Invalidate();
+
+	m_isFollowing = false;
+	m_leader = NULL;
+	m_followTimestamp = 0.0f;
+	m_allowAutoFollowTime = 0.0f;
+
+	m_enemyQueueIndex = 0;
+	m_enemyQueueCount = 0;
+	m_enemyQueueAttendIndex = 0;
+	m_bomber = NULL;
+
+	m_isEnemySniperVisible = false;
+	m_sawEnemySniperTimer.Invalidate();
+
+	m_lookAroundStateTimestamp = 0.0f;
+	m_inhibitLookAroundTimestamp = 0.0f;
+
+	m_lookPitch = 0.0f;
+	m_lookPitchVel = 0.0f;
+	m_lookYaw = 0.0f;
+	m_lookYawVel = 0.0f;
+
+	m_aimOffsetTimestamp = 0.0f;
+	m_aimSpreadTimestamp = 0.0f;
+	m_lookAtSpotState = NOT_LOOKING_AT_SPOT;
+
+	for( int p=0; p<MAX_PLAYERS; ++p )
+	{
+		m_partInfo[p].m_validFrame = 0;
+	}
+
+	m_spotEncounter = NULL;
+	m_spotCheckTimestamp = 0.0f;
+	m_peripheralTimestamp = 0.0f;
+
+	m_avgVelIndex = 0;
+	m_avgVelCount = 0;
+
+	m_lastOrigin = GetCentroid( this );
+
+	m_lastRadioCommand = RADIO_INVALID;
+	m_lastRadioRecievedTimestamp = 0.0f;
+	m_lastRadioSentTimestamp = 0.0f;
+	m_radioSubject = NULL;
+	m_voiceEndTimestamp = 0.0f;
+
+	m_hostageEscortCount = 0;
+	m_hostageEscortCountTimestamp = 0.0f;
+
+	m_noisePosition = Vector( 0, 0, 0 );
+	m_noiseTimestamp = 0.0f;
+
+	m_stateTimestamp = 0.0f;
+	m_task = SEEK_AND_DESTROY;
+	m_taskEntity = NULL;
+
+	m_approachPointCount = 0;
+	m_approachPointViewPosition.x = 99999999999.9f;
+	m_approachPointViewPosition.y = 0.0f;
+	m_approachPointViewPosition.z = 0.0f;
+
+	m_checkedHidingSpotCount = 0;
+
+	StandUp();
+	Run();
+	m_mustRunTimer.Invalidate();
+	m_waitTimer.Invalidate();
+	m_pathLadder = NULL;
+
+	m_repathTimer.Invalidate();
+
+	m_huntState.ClearHuntArea();
+	m_hasVisitedEnemySpawn = false;
+	m_stillTimer.Invalidate();
+
+	// adjust morale - if we died, our morale decreased, 
+	// but if we live, no adjustement (round win/loss also adjusts morale)
+	if (m_diedLastRound)
+		DecreaseMorale();
+
+	m_diedLastRound = false;
+
+
+	// IsRogue() randomly changes this
+	m_isRogue = false;	
+
+	m_surpriseTimer.Invalidate();
+
+	// even though these are EHANDLEs, they need to be NULL-ed
+	m_goalEntity = NULL;
+	m_avoid = NULL;
+	m_enemy = NULL;
+
+	for ( int i=0; i<MAX_ENEMY_QUEUE; ++i )
+	{
+		m_enemyQueue[i].player = NULL;
+		m_enemyQueue[i].isReloading = false;
+		m_enemyQueue[i].isProtectedByShield = false;
+	}
+
+	// start in idle state
+	m_isOpeningDoor = false;
+	StopAttacking();
+	Idle();
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Called when bot is placed in map, and when bots are reset after a round ends.
+ * NOTE: For some reason, this can be called twice when a bot is added.
+ */
+void CCSBot::Spawn( void )
+{
+	// do the normal player spawn process
+	BaseClass::Spawn();
+
+	ResetValues();
+
+	V_strcpy_safe( m_name, GetPlayerName() );
+
+	Buy();
+}
+

game/server/cstrike/bot/cs_bot_listen.cpp

@@ -0,0 +1,230 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#include "cbase.h"
+#include "cs_bot.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+
+//--------------------------------------------------------------------------------------------------------------
+bool CCSBot::IsNoiseHeard( void ) const
+{
+	if (m_noiseTimestamp <= 0.0f)
+		return false;
+
+	// primitive reaction time simulation - cannot "hear" noise until reaction time has elapsed
+	if (gpGlobals->curtime - m_noiseTimestamp >= GetProfile()->GetReactionTime())
+		return true;
+
+	return false;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Listen for enemy noises, and determine if we should react to them.
+ * Returns true if heard a noise and should move to investigate.
+ */
+bool CCSBot::HeardInterestingNoise( void )
+{
+	if (IsBlind())
+		return false;
+
+	// don't investigate noises during safe time
+	if (!IsWellPastSafe())
+		return false;
+
+	// if our disposition is not to investigate, dont investigate
+	if (GetDisposition() != ENGAGE_AND_INVESTIGATE)
+		return false;
+
+	// listen for enemy noises
+	if (IsNoiseHeard())
+	{
+		// if we are hiding, only react to noises very nearby, depending on how aggressive we are
+		if (IsAtHidingSpot() && GetNoiseRange() > 100.0f + 400.0f * GetProfile()->GetAggression())
+			return false;
+		
+		// chance of investigating is inversely proportional to distance
+		const float maxNoiseDist = 3000.0f;
+		float chance = 100.0f * (1.0f - (GetNoiseRange()/maxNoiseDist));
+
+		// modify chance by number of friends remaining
+		// if we have lots of friends, presumably one of them is closer and will check it out
+		if (GetFriendsRemaining() >= 3)
+		{
+			float friendFactor = 5.0f * GetFriendsRemaining();
+			if (friendFactor > 50.0f)
+				friendFactor = 50.0f;
+
+			chance -= friendFactor;
+		}
+
+		if (RandomFloat( 0.0f, 100.0f ) <= chance)
+		{
+			return true;
+		}
+	}
+
+	return false;
+}
+
+
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Return true if we hear nearby threatening enemy gunfire within given range
+ * -1 == infinite range
+ */
+bool CCSBot::CanHearNearbyEnemyGunfire( float range ) const
+{
+	Vector myOrigin = GetCentroid( this );
+
+	// only attend to noise if it just happened
+	if (gpGlobals->curtime - m_noiseTimestamp > 0.5f)
+		return false;
+
+	// gunfire is high priority
+	if (m_noisePriority < PRIORITY_HIGH)
+		return false;
+
+	// check noise range
+	if (range > 0.0f && (myOrigin - m_noisePosition).IsLengthGreaterThan( range ))
+		return false;
+
+	// if we dont have line of sight, it's not threatening (cant get shot)
+	if (!CanSeeNoisePosition())
+		return false;
+
+	if (IsAttacking() && m_enemy != NULL && GetTimeSinceLastSawEnemy() < 1.0f)
+	{
+		// gunfire is only threatening if it is closer than our current enemy
+		float gunfireDistSq = (m_noisePosition - myOrigin).LengthSqr();
+		float enemyDistSq = (GetCentroid( m_enemy ) - myOrigin).LengthSqr();
+		const float muchCloserSq = 100.0f * 100.0f;
+		if (gunfireDistSq > enemyDistSq - muchCloserSq)
+			return false;
+	}
+
+	return true;
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Return true if we directly see where we think the noise came from
+ * NOTE: Dont check FOV, since this is used to determine if we should turn our head to look at the noise
+ * NOTE: Dont use IsVisible(), because smoke shouldnt cause us to not look toward noises
+ */
+bool CCSBot::CanSeeNoisePosition( void ) const
+{
+	trace_t result;
+	CTraceFilterNoNPCsOrPlayer traceFilter( this, COLLISION_GROUP_NONE );
+	UTIL_TraceLine( EyePositionConst(), m_noisePosition + Vector( 0, 0, HalfHumanHeight ), MASK_VISIBLE_AND_NPCS, &traceFilter, &result );
+	if (result.fraction == 1.0f)
+	{
+		// we can see the source of the noise
+		return true;
+	}
+
+	return false;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Return true if we decided to look towards the most recent noise source
+ * Assumes m_noisePosition is valid.
+ */
+bool CCSBot::UpdateLookAtNoise( void )
+{
+	// make sure a noise exists
+	if (!IsNoiseHeard())
+	{
+		return false;
+	}
+
+	Vector spot;
+
+	// if we have clear line of sight to noise position, look directly at it
+	if (CanSeeNoisePosition())
+	{
+		/// @todo adjust noise Z to keep consistent with current height while fighting
+		spot = m_noisePosition + Vector( 0, 0, HalfHumanHeight );
+
+		// since we can see the noise spot, forget about it
+		ForgetNoise();
+	}
+	else
+	{
+		// line of sight is blocked, bend it
+
+		// the bending algorithm is very expensive, throttle how often it is done
+		if (m_noiseBendTimer.IsElapsed())
+		{
+			const float noiseBendLOSInterval = RandomFloat( 0.2f, 0.3f );
+			m_noiseBendTimer.Start( noiseBendLOSInterval );
+
+			// line of sight is blocked, bend it
+			if (BendLineOfSight( EyePosition(), m_noisePosition, &spot ) == false)
+			{
+				m_bendNoisePositionValid = false;
+				return false;
+			}
+
+			m_bentNoisePosition = spot;
+			m_bendNoisePositionValid = true;
+		}
+		else if (m_bendNoisePositionValid)
+		{
+			// use result of prior bend computation
+			spot = m_bentNoisePosition;
+		}
+		else
+		{
+			// prior bend failed
+			return false;
+		}
+	}
+
+	// it's always important to look at enemy noises, because they come from ... enemies!
+	PriorityType pri = PRIORITY_HIGH;
+
+	// look longer if we're hiding
+	if (IsAtHidingSpot())
+	{
+		// if there is only one enemy left, look for a long time
+		if (GetEnemiesRemaining() == 1)
+		{
+			SetLookAt( "Noise", spot, pri, RandomFloat( 5.0f, 15.0f ), true );
+		}
+		else
+		{
+			SetLookAt( "Noise", spot, pri, RandomFloat( 3.0f, 5.0f ), true );
+		}
+	}
+	else
+	{
+		const float closeRange = 500.0f;
+		if (GetNoiseRange() < closeRange)
+		{
+			// look at nearby enemy noises for a longer time
+			SetLookAt( "Noise", spot, pri, RandomFloat( 3.0f, 5.0f ), true );
+		}
+		else
+		{
+			SetLookAt( "Noise", spot, pri, RandomFloat( 1.0f, 2.0f ), true );
+		}
+	}
+
+	return true;
+}
+

game/server/cstrike/bot/cs_bot_manager.h

@@ -0,0 +1,400 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#ifndef CS_CONTROL_H
+#define CS_CONTROL_H
+
+
+#include "bot_manager.h"
+#include "nav_area.h"
+#include "bot_util.h"
+#include "bot_profile.h"
+#include "cs_shareddefs.h"
+#include "cs_player.h"
+
+extern ConVar friendlyfire;
+
+class CBasePlayerWeapon;
+
+/**
+ * Given one team, return the other
+ */
+inline int OtherTeam( int team )
+{
+	return (team == TEAM_TERRORIST) ? TEAM_CT : TEAM_TERRORIST;
+}
+
+class CCSBotManager;
+
+// accessor for CS-specific bots
+inline CCSBotManager *TheCSBots( void )
+{
+	return reinterpret_cast< CCSBotManager * >( TheBots );
+}
+
+//--------------------------------------------------------------------------------------------------------------
+class BotEventInterface : public IGameEventListener2
+{
+public:
+	virtual const char *GetEventName( void ) const = 0;
+};
+
+//--------------------------------------------------------------------------------------------------------------
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Macro to set up an OnEventClass() in TheCSBots.
+ */
+#define DECLARE_BOTMANAGER_EVENT_LISTENER( BotManagerSingleton, EventClass, EventName ) \
+	public: \
+	virtual void On##EventClass( IGameEvent *data ); \
+	private: \
+	class EventClass##Event : public BotEventInterface \
+	{ \
+		bool m_enabled; \
+	public: \
+		EventClass##Event( void ) \
+		{ \
+			gameeventmanager->AddListener( this, #EventName, true ); \
+			m_enabled = true; \
+		} \
+		~EventClass##Event( void ) \
+		{ \
+			if ( m_enabled ) gameeventmanager->RemoveListener( this ); \
+		} \
+		virtual const char *GetEventName( void ) const \
+		{ \
+			return #EventName; \
+		} \
+		void Enable( bool enable ) \
+		{ \
+			m_enabled = enable; \
+			if ( enable ) \
+				gameeventmanager->AddListener( this, #EventName, true ); \
+			else \
+				gameeventmanager->RemoveListener( this ); \
+		} \
+		bool IsEnabled( void ) const { return m_enabled; } \
+		void FireGameEvent( IGameEvent *event ) \
+		{ \
+			BotManagerSingleton()->On##EventClass( event ); \
+		} \
+	}; \
+	EventClass##Event m_##EventClass##Event;
+
+
+//--------------------------------------------------------------------------------------------------------------
+#define DECLARE_CSBOTMANAGER_EVENT_LISTENER( EventClass, EventName ) DECLARE_BOTMANAGER_EVENT_LISTENER( TheCSBots, EventClass, EventName )
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Macro to propogate an event from the bot manager to all bots
+ */
+#define CCSBOTMANAGER_ITERATE_BOTS( Callback, arg1 ) \
+	{ \
+		for ( int idx = 1; idx <= gpGlobals->maxClients; ++idx ) \
+		{ \
+			CBasePlayer *player = UTIL_PlayerByIndex( idx ); \
+			if (player == NULL) continue; \
+			if (!player->IsBot()) continue; \
+			CCSBot *bot = dynamic_cast< CCSBot * >(player); \
+			if ( !bot ) continue; \
+			bot->Callback( arg1 ); \
+		} \
+	}
+
+
+//--------------------------------------------------------------------------------------------------------------
+//
+// The manager for Counter-Strike specific bots
+//
+class CCSBotManager : public CBotManager
+{
+public:
+	CCSBotManager();
+
+	virtual CBasePlayer *AllocateBotEntity( void );			///< factory method to allocate the appropriate entity for the bot
+
+	virtual void ClientDisconnect( CBaseEntity *entity );
+	virtual bool ClientCommand( CBasePlayer *player, const CCommand &args );
+
+	virtual void ServerActivate( void );
+	virtual void ServerDeactivate( void );
+	virtual bool ServerCommand( const char *cmd );
+	bool IsServerActive( void ) const { return m_serverActive; }
+
+	virtual void RestartRound( void );						///< (EXTEND) invoked when a new round begins
+	virtual void StartFrame( void );						///< (EXTEND) called each frame
+
+	virtual unsigned int GetPlayerPriority( CBasePlayer *player ) const;	///< return priority of player (0 = max pri)
+	virtual bool IsImportantPlayer( CCSPlayer *player ) const;				///< return true if player is important to scenario (VIP, bomb carrier, etc)
+
+	void ExtractScenarioData( void );							///< search the map entities to determine the game scenario and define important zones
+
+	// difficulty levels -----------------------------------------------------------------------------------------
+	static BotDifficultyType GetDifficultyLevel( void )		
+	{ 
+		if (cv_bot_difficulty.GetFloat() < 0.9f)
+			return BOT_EASY;
+		if (cv_bot_difficulty.GetFloat() < 1.9f)
+			return BOT_NORMAL;
+		if (cv_bot_difficulty.GetFloat() < 2.9f)
+			return BOT_HARD;
+
+		return BOT_EXPERT;
+	}
+
+	// the supported game scenarios ------------------------------------------------------------------------------
+	enum GameScenarioType
+	{
+		SCENARIO_DEATHMATCH,
+		SCENARIO_DEFUSE_BOMB,
+		SCENARIO_RESCUE_HOSTAGES,
+		SCENARIO_ESCORT_VIP
+	};
+	GameScenarioType GetScenario( void ) const		{ return m_gameScenario; }
+
+	// "zones" ---------------------------------------------------------------------------------------------------
+	// depending on the game mode, these are bomb zones, rescue zones, etc.
+
+	enum { MAX_ZONES = 4 };										///< max # of zones in a map
+	enum { MAX_ZONE_NAV_AREAS = 16 };							///< max # of nav areas in a zone
+	struct Zone
+	{
+		CBaseEntity *m_entity;									///< the map entity
+		CNavArea *m_area[ MAX_ZONE_NAV_AREAS ];					///< nav areas that overlap this zone
+		int m_areaCount;
+		Vector m_center;
+		bool m_isLegacy;										///< if true, use pev->origin and 256 unit radius as zone
+		int m_index;
+		bool m_isBlocked;
+		Extent m_extent;
+	};
+
+	const Zone *GetZone( int i ) const				{ return &m_zone[i]; }
+	const Zone *GetZone( const Vector &pos ) const;				///< return the zone that contains the given position
+	const Zone *GetClosestZone( const Vector &pos ) const;		///< return the closest zone to the given position
+	const Zone *GetClosestZone( const CBaseEntity *entity ) const;	///< return the closest zone to the given entity
+	int GetZoneCount( void ) const					{ return m_zoneCount; }
+	void CheckForBlockedZones( void );
+
+
+	const Vector *GetRandomPositionInZone( const Zone *zone ) const;	///< return a random position inside the given zone
+	CNavArea *GetRandomAreaInZone( const Zone *zone ) const;			///< return a random area inside the given zone
+
+	/**
+	 * Return the zone closest to the given position, using the given cost heuristic
+	 */
+	template< typename CostFunctor >
+	const Zone *GetClosestZone( CNavArea *startArea, CostFunctor costFunc, float *travelDistance = NULL ) const
+	{
+		const Zone *closeZone = NULL;
+		float closeDist = 99999999.9f;
+
+		if (startArea == NULL)
+			return NULL;
+
+		for( int i=0; i<m_zoneCount; ++i )
+		{
+			if (m_zone[i].m_areaCount == 0)
+				continue;
+
+			if ( m_zone[i].m_isBlocked )
+				continue;
+
+			// just use the first overlapping nav area as a reasonable approximation
+			float dist = NavAreaTravelDistance( startArea, m_zone[i].m_area[0], costFunc );
+
+			if (dist >= 0.0f && dist < closeDist)
+			{
+				closeZone = &m_zone[i];
+				closeDist = dist;
+			}
+		}
+
+		if (travelDistance)
+			*travelDistance = closeDist;
+
+		return closeZone;
+	}
+
+	/// pick a zone at random and return it
+	const Zone *GetRandomZone( void ) const
+	{
+		if (m_zoneCount == 0)
+			return NULL;
+
+		int i;
+		CUtlVector< const Zone * > unblockedZones;
+		for ( i=0; i<m_zoneCount; ++i )
+		{
+			if ( m_zone[i].m_isBlocked )
+				continue;
+
+			unblockedZones.AddToTail( &(m_zone[i]) );
+		}
+
+		if ( unblockedZones.Count() == 0 )
+			return NULL;
+
+		return unblockedZones[ RandomInt( 0, unblockedZones.Count()-1 ) ];
+	}
+
+
+	/// returns a random spawn point for the given team (no arg means use both team spawnpoints)
+	CBaseEntity *GetRandomSpawn( int team = TEAM_MAXCOUNT ) const;
+
+
+	bool IsBombPlanted( void ) const			{ return m_isBombPlanted; }			///< returns true if bomb has been planted
+	float GetBombPlantTimestamp( void ) const	{ return m_bombPlantTimestamp; }	///< return time bomb was planted
+	bool IsTimeToPlantBomb( void ) const;											///< return true if it's ok to try to plant bomb
+	CCSPlayer *GetBombDefuser( void ) const		{ return m_bombDefuser; }			///< return the player currently defusing the bomb, or NULL
+	float GetBombTimeLeft( void ) const;											///< get the time remaining before the planted bomb explodes
+	CBaseEntity *GetLooseBomb( void )			{ return m_looseBomb; }				///< return the bomb if it is loose on the ground
+	CNavArea *GetLooseBombArea( void ) const	{ return m_looseBombArea; }			///< return area that bomb is in/near
+	void SetLooseBomb( CBaseEntity *bomb );
+
+
+	float GetRadioMessageTimestamp( RadioType event, int teamID ) const;			///< return the last time the given radio message was sent for given team
+	float GetRadioMessageInterval( RadioType event, int teamID ) const;				///< return the interval since the last time this message was sent
+	void SetRadioMessageTimestamp( RadioType event, int teamID );
+	void ResetRadioMessageTimestamps( void );
+
+	float GetLastSeenEnemyTimestamp( void ) const	{ return m_lastSeenEnemyTimestamp; }	///< return the last time anyone has seen an enemy
+	void SetLastSeenEnemyTimestamp( void ) 			{ m_lastSeenEnemyTimestamp = gpGlobals->curtime; }
+
+	float GetRoundStartTime( void ) const			{ return m_roundStartTimestamp; }
+	float GetElapsedRoundTime( void ) const			{ return gpGlobals->curtime - m_roundStartTimestamp; }	///< return the elapsed time since the current round began
+
+	bool AllowRogues( void ) const					{ return cv_bot_allow_rogues.GetBool(); }
+	bool AllowPistols( void ) const					{ return cv_bot_allow_pistols.GetBool(); }
+	bool AllowShotguns( void ) const				{ return cv_bot_allow_shotguns.GetBool(); }
+	bool AllowSubMachineGuns( void ) const			{ return cv_bot_allow_sub_machine_guns.GetBool(); }
+	bool AllowRifles( void ) const					{ return cv_bot_allow_rifles.GetBool(); }
+	bool AllowMachineGuns( void ) const				{ return cv_bot_allow_machine_guns.GetBool(); }
+	bool AllowGrenades( void ) const				{ return cv_bot_allow_grenades.GetBool(); }
+	bool AllowSnipers( void ) const					{ return cv_bot_allow_snipers.GetBool(); }
+#ifdef CS_SHIELD_ENABLED
+	bool AllowTacticalShield( void ) const			{ return cv_bot_allow_shield.GetBool(); }
+#else
+	bool AllowTacticalShield( void ) const			{ return false; }
+#endif // CS_SHIELD_ENABLED
+
+	bool AllowFriendlyFireDamage( void ) const		{ return friendlyfire.GetBool(); }
+
+	bool IsWeaponUseable( const CWeaponCSBase *weapon ) const;	///< return true if the bot can use this weapon
+
+	bool IsDefenseRushing( void ) const				{ return m_isDefenseRushing; }		///< returns true if defense team has "decided" to rush this round
+	bool IsOnDefense( const CCSPlayer *player ) const;		///< return true if this player is on "defense"
+	bool IsOnOffense( const CCSPlayer *player ) const;		///< return true if this player is on "offense"
+
+	bool IsRoundOver( void ) const					{ return m_isRoundOver; }		///< return true if the round has ended
+
+	#define FROM_CONSOLE true
+	bool BotAddCommand( int team, bool isFromConsole = false, const char *profileName = NULL, CSWeaponType weaponType = WEAPONTYPE_UNKNOWN, BotDifficultyType difficulty = NUM_DIFFICULTY_LEVELS );	///< process the "bot_add" console command
+
+private:
+	enum SkillType { LOW, AVERAGE, HIGH, RANDOM };
+
+	void MaintainBotQuota( void );
+
+	static bool m_isMapDataLoaded;							///< true if we've attempted to load map data
+	bool m_serverActive;									///< true between ServerActivate() and ServerDeactivate()
+
+	GameScenarioType m_gameScenario;						///< what kind of game are we playing
+
+	Zone m_zone[ MAX_ZONES ];							
+	int m_zoneCount;
+
+	bool m_isBombPlanted;									///< true if bomb has been planted
+	float m_bombPlantTimestamp;								///< time bomb was planted
+	float m_earliestBombPlantTimestamp;						///< don't allow planting until after this time has elapsed
+	CCSPlayer *m_bombDefuser;								///< the player currently defusing a bomb
+	EHANDLE m_looseBomb;									///< will be non-NULL if bomb is loose on the ground
+	CNavArea *m_looseBombArea;								///< area that bomb is is/near
+
+	bool m_isRoundOver;										///< true if the round has ended
+
+	CountdownTimer m_checkTransientAreasTimer;				///< when elapsed, all transient nav areas should be checked for blockage
+
+	float m_radioMsgTimestamp[ RADIO_END - RADIO_START_1 ][ 2 ];
+
+	float m_lastSeenEnemyTimestamp;
+	float m_roundStartTimestamp;							///< the time when the current round began
+
+	bool m_isDefenseRushing;								///< whether defensive team is rushing this round or not
+
+	// Event Handlers --------------------------------------------------------------------------------------------
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( PlayerFootstep,		player_footstep )
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( PlayerRadio,			player_radio )
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( PlayerDeath,			player_death )
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( PlayerFallDamage,		player_falldamage )
+
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( BombPickedUp,			bomb_pickup )
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( BombPlanted,			bomb_planted )
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( BombBeep,				bomb_beep )
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( BombDefuseBegin,		bomb_begindefuse )
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( BombDefused,			bomb_defused )
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( BombDefuseAbort,		bomb_abortdefuse )
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( BombExploded,			bomb_exploded )
+
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( RoundEnd,				round_end )
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( RoundStart,			round_start )
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( RoundFreezeEnd,		round_freeze_end )
+
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( DoorMoving,			door_moving )
+
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( BreakProp,				break_prop )
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( BreakBreakable,		break_breakable )
+
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( HostageFollows,		hostage_follows )
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( HostageRescuedAll,		hostage_rescued_all )
+
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( WeaponFire,			weapon_fire )
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( WeaponFireOnEmpty,		weapon_fire_on_empty )
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( WeaponReload,			weapon_reload )
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( WeaponZoom,			weapon_zoom )
+
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( BulletImpact,			bullet_impact )
+
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( HEGrenadeDetonate,		hegrenade_detonate )
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( FlashbangDetonate,		flashbang_detonate )
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( SmokeGrenadeDetonate,	smokegrenade_detonate )
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( GrenadeBounce,			grenade_bounce )
+
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( NavBlocked,			nav_blocked )
+
+	DECLARE_CSBOTMANAGER_EVENT_LISTENER( ServerShutdown,		server_shutdown )
+
+	CUtlVector< BotEventInterface * > m_commonEventListeners;	// These event listeners fire often, and can be disabled for performance gains when no bots are present.
+	bool m_eventListenersEnabled;
+	void EnableEventListeners( bool enable );
+};
+
+inline CBasePlayer *CCSBotManager::AllocateBotEntity( void )
+{
+	return static_cast<CBasePlayer *>( CreateEntityByName( "cs_bot" ) );
+}
+
+inline bool CCSBotManager::IsTimeToPlantBomb( void ) const
+{
+	return (gpGlobals->curtime >= m_earliestBombPlantTimestamp);
+}
+
+inline const CCSBotManager::Zone *CCSBotManager::GetClosestZone( const CBaseEntity *entity ) const
+{
+	if (entity == NULL)
+		return NULL;
+
+	Vector centroid = entity->GetAbsOrigin();
+	centroid.z += HalfHumanHeight;
+	return GetClosestZone( centroid );
+}
+
+#endif

game/server/cstrike/bot/cs_bot_nav.cpp

@@ -0,0 +1,963 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#include "cbase.h"
+#include "cs_bot.h"
+#include "obstacle_pushaway.h"
+#include "fmtstr.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+const float NearBreakableCheckDist = 20.0f;
+const float FarBreakableCheckDist = 300.0f;
+
+#define DEBUG_BREAKABLES 0
+#define DEBUG_DOORS 0
+
+//--------------------------------------------------------------------------------------------------------------
+#if DEBUG_BREAKABLES
+static void DrawOutlinedQuad( const Vector &p1,
+							const Vector &p2,
+							const Vector &p3,
+							const Vector &p4,
+							int r, int g, int b,
+							float duration )
+{
+	NDebugOverlay::Triangle( p1, p2, p3, r, g, b, 20, false, duration );
+	NDebugOverlay::Triangle( p3, p4, p1, r, g, b, 20, false, duration );
+	NDebugOverlay::Line( p1, p2, r, g, b, false, duration );
+	NDebugOverlay::Line( p2, p3, r, g, b, false, duration );
+	NDebugOverlay::Line( p3, p4, r, g, b, false, duration );
+	NDebugOverlay::Line( p4, p1, r, g, b, false, duration );
+}
+ConVar bot_debug_breakable_duration( "bot_debug_breakable_duration", "30" );
+#endif // DEBUG_BREAKABLES
+
+
+//--------------------------------------------------------------------------------------------------------------
+CBaseEntity * CheckForEntitiesAlongSegment( const Vector &start, const Vector &end, const Vector &mins, const Vector &maxs, CPushAwayEnumerator *enumerator )
+{
+	CBaseEntity *entity = NULL;
+
+	Ray_t ray;
+	ray.Init( start, end, mins, maxs );
+
+	partition->EnumerateElementsAlongRay( PARTITION_ENGINE_SOLID_EDICTS, ray, false, enumerator );
+	if ( enumerator->m_nAlreadyHit > 0 )
+	{
+		entity = enumerator->m_AlreadyHit[0];
+	}
+
+#if DEBUG_BREAKABLES
+	if ( entity )
+	{
+		DrawOutlinedQuad( start + mins, start + maxs, end + maxs, end + mins, 255, 0, 0, bot_debug_breakable_duration.GetFloat() );
+	}
+	else
+	{
+		DrawOutlinedQuad( start + mins, start + maxs, end + maxs, end + mins, 0, 255, 0, 0.1 );
+	}
+#endif // DEBUG_BREAKABLES
+
+	return entity;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Look up to 'distance' units ahead on the bot's path for entities.  Returns the closest one.
+ */
+CBaseEntity * CCSBot::FindEntitiesOnPath( float distance, CPushAwayEnumerator *enumerator, bool checkStuck )
+{
+	Vector goal;
+
+	int pathIndex = FindPathPoint( distance, &goal, NULL );
+	bool isDegeneratePath = ( pathIndex == m_pathLength );
+	if ( isDegeneratePath )
+	{
+		goal = m_goalPosition;
+	}
+	goal.z += HalfHumanHeight;
+
+	Vector mins, maxs;
+	mins = Vector( 0, 0, -HalfHumanWidth );
+	maxs = Vector( 0, 0, HalfHumanHeight );
+
+	if ( distance <= NearBreakableCheckDist && m_isStuck && checkStuck )
+	{
+		mins = Vector( -HalfHumanWidth, -HalfHumanWidth, -HalfHumanWidth );
+		maxs = Vector( HalfHumanWidth, HalfHumanWidth, HalfHumanHeight );
+	}
+
+	CBaseEntity *entity = NULL;
+	if ( isDegeneratePath )
+	{
+		entity = CheckForEntitiesAlongSegment( WorldSpaceCenter(), m_goalPosition + Vector( 0, 0, HalfHumanHeight ), mins, maxs, enumerator );
+#if DEBUG_BREAKABLES
+		if ( entity )
+		{
+			NDebugOverlay::HorzArrow( WorldSpaceCenter(), m_goalPosition, 6, 0, 0, 255, 255, true, bot_debug_breakable_duration.GetFloat() );
+		}
+#endif // DEBUG_BREAKABLES
+	}
+	else
+	{
+		int startIndex = MAX( 0, m_pathIndex );
+		float distanceLeft = distance;
+		// HACK: start with an index one lower than normal, so we can trace from the bot's location to the
+		// start of the path nodes.
+		for( int i=startIndex-1; i<m_pathLength-1; ++i )
+		{
+			Vector start, end;
+			if ( i == startIndex - 1 )
+			{
+				start = GetAbsOrigin();
+				end = m_path[i+1].pos;
+			}
+			else
+			{
+				start = m_path[i].pos;
+				end = m_path[i+1].pos;
+
+				if ( m_path[i+1].how == GO_LADDER_UP )
+				{
+					// Need two checks.  First we'll check along the ladder
+					start = m_path[i].pos;
+					end = m_path[i+1].ladder->m_top;
+				}
+				else if ( m_path[i].how == GO_LADDER_UP )
+				{
+					start = m_path[i].ladder->m_top;
+				}
+				else if ( m_path[i+1].how == GO_LADDER_DOWN )
+				{
+					// Need two checks.  First we'll check along the ladder
+					start = m_path[i].pos;
+					end = m_path[i+1].ladder->m_bottom;
+				}
+				else if ( m_path[i].how == GO_LADDER_DOWN )
+				{
+					start = m_path[i].ladder->m_bottom;
+				}
+			}
+
+			float segmentLength = (start - end).Length();
+			if ( distanceLeft - segmentLength < 0 )
+			{
+				// scale our segment back so we don't look too far
+				Vector direction = end - start;
+				direction.NormalizeInPlace();
+
+				end = start + direction * distanceLeft;
+			}
+			entity = CheckForEntitiesAlongSegment( start + Vector( 0, 0, HalfHumanHeight ), end + Vector( 0, 0, HalfHumanHeight ), mins, maxs, enumerator );
+			if ( entity )
+			{
+#if DEBUG_BREAKABLES
+				NDebugOverlay::HorzArrow( start, end, 4, 0, 255, 0, 255, true, bot_debug_breakable_duration.GetFloat() );
+#endif // DEBUG_BREAKABLES
+				break;
+			}
+
+			if ( m_path[i].ladder && !IsOnLadder() && distance > NearBreakableCheckDist )	// don't try to break breakables on the other end of a ladder
+				break;
+
+			distanceLeft -= segmentLength;
+			if ( distanceLeft < 0 )
+				break;
+
+			if ( i != startIndex - 1 && m_path[i+1].ladder )
+			{
+				// Now we'll check from the ladder out to the endpoint
+				start = ( m_path[i+1].how == GO_LADDER_DOWN ) ? m_path[i+1].ladder->m_bottom : m_path[i+1].ladder->m_top;
+				end = m_path[i+1].pos;
+
+				entity = CheckForEntitiesAlongSegment( start + Vector( 0, 0, HalfHumanHeight ), end + Vector( 0, 0, HalfHumanHeight ), mins, maxs, enumerator );
+				if ( entity )
+				{
+#if DEBUG_BREAKABLES
+					NDebugOverlay::HorzArrow( start, end, 4, 0, 255, 0, 255, true, bot_debug_breakable_duration.GetFloat() );
+#endif // DEBUG_BREAKABLES
+					break;
+				}
+			}
+		}
+	}
+
+	if ( entity && !IsVisible( entity->WorldSpaceCenter(), false, entity ) )
+		return NULL;
+
+	return entity;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::PushawayTouch( CBaseEntity *pOther )
+{
+#if DEBUG_BREAKABLES
+	NDebugOverlay::EntityBounds( pOther, 255, 0, 0, 127, 0.1f );
+#endif // DEBUG_BREAKABLES
+
+	// if we're not stuck or crouched, we don't care
+	if ( !m_isStuck && !IsCrouching() )
+		return;
+
+	// See if it's breakable
+	CBaseEntity *props[1];
+	CBotBreakableEnumerator enumerator( props, ARRAYSIZE( props ) );
+	enumerator.EnumElement( pOther );
+
+	if ( enumerator.m_nAlreadyHit == 1 )
+	{
+		// it's breakable - try to shoot it.
+		SetLookAt( "Breakable", pOther->WorldSpaceCenter(), PRIORITY_HIGH, 0.1f, false, 5.0f, true );
+	}
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Check for breakable physics props and other breakable entities.  We do this here instead of catching them
+ * in OnTouch() because players don't collide with physics props, so OnTouch() doesn't get called.  Also,
+ * looking ahead like this lets us anticipate when we'll need to break something, and do it before being
+ * stopped by it.
+ */
+void CCSBot::BreakablesCheck( void )
+{
+#if DEBUG_BREAKABLES
+	/*
+	// Debug code to visually mark all breakables near us
+	{
+		Ray_t ray;
+		Vector origin = WorldSpaceCenter();
+		Vector mins( -400, -400, -400 );
+		Vector maxs( 400, 400, 400 );
+		ray.Init( origin, origin, mins, maxs );
+
+		CBaseEntity *props[40];
+		CBotBreakableEnumerator enumerator( props, ARRAYSIZE( props ) );
+		partition->EnumerateElementsAlongRay( PARTITION_ENGINE_SOLID_EDICTS, ray, false, &enumerator );
+		for ( int i=0; i<enumerator.m_nAlreadyHit; ++i )
+		{
+			CBaseEntity *prop = props[i];
+			if ( prop && prop->m_takedamage == DAMAGE_YES )
+			{
+				CFmtStr msg;
+				const char *text = msg.sprintf( "%s, %d health", prop->GetClassname(), prop->m_iHealth );
+				if ( prop->m_iHealth > 200 )
+				{
+					NDebugOverlay::EntityBounds( prop, 255, 0, 0, 10, 0.2f );
+					prop->EntityText( 0, text, 0.2f, 255, 0, 0, 255 );
+				}
+				else
+				{
+					NDebugOverlay::EntityBounds( prop, 0, 255, 0, 10, 0.2f );
+					prop->EntityText( 0, text, 0.2f, 0, 255, 0, 255 );
+				}
+			}
+		}
+	}
+	*/
+#endif // DEBUG_BREAKABLES
+
+	if ( IsAttacking() )
+	{
+		// make sure we aren't running into a breakable trying to knife an enemy
+		if ( IsUsingKnife() && m_enemy != NULL )
+		{
+			CBaseEntity *breakables[1];
+			CBotBreakableEnumerator enumerator( breakables, ARRAYSIZE( breakables ) );
+
+			CBaseEntity *breakable = NULL;
+			Vector mins = Vector( -HalfHumanWidth, -HalfHumanWidth, -HalfHumanWidth );
+			Vector maxs = Vector( HalfHumanWidth, HalfHumanWidth, HalfHumanHeight );
+			breakable = CheckForEntitiesAlongSegment( WorldSpaceCenter(), m_enemy->WorldSpaceCenter(), mins, maxs, &enumerator );
+			if ( breakable )
+			{
+#if DEBUG_BREAKABLES
+				NDebugOverlay::HorzArrow( WorldSpaceCenter(), m_enemy->WorldSpaceCenter(), 6, 0, 0, 255, 255, true, bot_debug_breakable_duration.GetFloat() );
+#endif // DEBUG_BREAKABLES
+
+				// look at it (chances are we'll already be looking at it, since it's between us and our enemy)
+				SetLookAt( "Breakable", breakable->WorldSpaceCenter(), PRIORITY_HIGH, 0.1f, false, 5.0f, true );
+
+				// break it (again, don't wait: we don't have ammo, since we're using the knife, and we're looking mostly at it anyway)
+				PrimaryAttack();
+			}
+		}
+		return;
+	}
+
+	if ( !HasPath() )
+		return;
+
+	bool isNear = true;
+
+	// Check just in front of us on the path
+	CBaseEntity *breakables[4];
+	CBotBreakableEnumerator enumerator( breakables, ARRAYSIZE( breakables ) );
+	CBaseEntity *breakable = FindEntitiesOnPath( NearBreakableCheckDist, &enumerator, true );
+
+	// If we don't have an object right in front of us, check a ways out
+	if ( !breakable )
+	{
+		breakable = FindEntitiesOnPath( FarBreakableCheckDist, &enumerator, false );
+		isNear = false;
+	}
+
+	// Try to shoot a breakable we know about
+	if ( breakable )
+	{
+		// look at it
+		SetLookAt( "Breakable", breakable->WorldSpaceCenter(), PRIORITY_HIGH, 0.1f, false, 5.0f, true );
+	}
+
+	// break it
+	if ( IsLookingAtSpot( PRIORITY_HIGH ) && m_lookAtSpotAttack )
+	{
+		if ( IsUsingGrenade() || ( !isNear && IsUsingKnife() ) )
+		{
+			EquipBestWeapon( MUST_EQUIP );
+		}
+		else if ( GetActiveWeapon() && GetActiveWeapon()->m_flNextPrimaryAttack <= gpGlobals->curtime )
+		{
+			bool shouldShoot = IsLookingAtPosition( m_lookAtSpot, 10.0f );
+
+			if ( !shouldShoot )
+			{
+				CBaseEntity *breakables[1];
+				CBotBreakableEnumerator LOSbreakable( breakables, ARRAYSIZE( breakables ) );
+
+				// compute the unit vector along our view
+				Vector aimDir = GetViewVector();
+
+				// trace the potential bullet's path
+				trace_t result;
+				UTIL_TraceLine( EyePosition(), EyePosition() + FarBreakableCheckDist * aimDir, MASK_PLAYERSOLID, this, COLLISION_GROUP_NONE, &result );
+				if ( result.DidHitNonWorldEntity() )
+				{
+					LOSbreakable.EnumElement( result.m_pEnt );
+					if ( LOSbreakable.m_nAlreadyHit == 1 && LOSbreakable.m_AlreadyHit[0] == breakable )
+					{
+						shouldShoot = true;
+					}
+				}
+			}
+
+			shouldShoot = shouldShoot && !IsFriendInLineOfFire();
+
+			if ( shouldShoot )
+			{
+				PrimaryAttack();
+			}
+		}
+	}
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Check for doors that need +use to open.
+ */
+void CCSBot::DoorCheck( void )
+{
+	if ( IsAttacking() && !IsUsingKnife() )
+	{
+		// If we're attacking with a gun or nade, don't bother with doors.  If we're trying to
+		// knife someone, we might need to open a door.
+		m_isOpeningDoor = false;
+		return;
+	}
+
+	if ( !HasPath() )
+		return;
+
+	// Find any doors that need a +use to open just in front of us along the path.
+	CBaseEntity *doors[4];
+	CBotDoorEnumerator enumerator( doors, ARRAYSIZE( doors ) );
+	CBaseEntity *door = FindEntitiesOnPath( NearBreakableCheckDist, &enumerator, false );
+
+	if ( door )
+	{
+		if ( !IsLookingAtSpot( PRIORITY_HIGH ) )
+		{
+			if ( !IsOpeningDoor() )
+			{
+				OpenDoor( door );
+			}
+		}
+	}
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Reset the stuck-checker.
+ */
+void CCSBot::ResetStuckMonitor( void )
+{
+	if (m_isStuck)
+	{
+		if (IsLocalPlayerWatchingMe() && cv_bot_debug.GetBool() && UTIL_GetListenServerHost())
+		{
+			CBasePlayer *localPlayer = UTIL_GetListenServerHost();
+			CSingleUserRecipientFilter filter( localPlayer );
+			EmitSound( filter, localPlayer->entindex(), "Bot.StuckSound" );
+		}
+	}
+
+	m_isStuck = false;
+	m_stuckTimestamp = 0.0f;
+	m_stuckJumpTimer.Invalidate();
+	m_avgVelIndex = 0;
+	m_avgVelCount = 0;
+
+	m_areaEnteredTimestamp = gpGlobals->curtime;
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Test if we have become stuck
+ */
+void CCSBot::StuckCheck( void )
+{
+	if (m_isStuck)
+	{
+		// we are stuck - see if we have moved far enough to be considered unstuck
+		Vector delta = GetAbsOrigin() - m_stuckSpot;
+
+		const float unstuckRange = 75.0f;
+		if (delta.IsLengthGreaterThan( unstuckRange ))
+		{
+			// we are no longer stuck
+			ResetStuckMonitor();
+			PrintIfWatched( "UN-STUCK\n" );
+		}
+	}
+	else
+	{
+		// check if we are stuck
+
+		// compute average velocity over a short period (for stuck check)
+		Vector vel = GetAbsOrigin() - m_lastOrigin;
+
+		// if we are jumping, ignore Z
+		if (IsJumping())
+			vel.z = 0.0f;
+
+		// cannot be Length2D, or will break ladder movement (they are only Z)
+		float moveDist = vel.Length();
+
+		float deltaT = g_BotUpdateInterval;
+
+		m_avgVel[ m_avgVelIndex++ ] = moveDist/deltaT;
+
+		if (m_avgVelIndex == MAX_VEL_SAMPLES)
+			m_avgVelIndex = 0;
+
+		if (m_avgVelCount < MAX_VEL_SAMPLES)
+		{
+			m_avgVelCount++;
+		}
+		else
+		{
+			// we have enough samples to know if we're stuck
+
+			float avgVel = 0.0f;
+			for( int t=0; t<m_avgVelCount; ++t )
+				avgVel += m_avgVel[t];
+
+			avgVel /= m_avgVelCount;
+
+			// cannot make this velocity too high, or bots will get "stuck" when going down ladders
+			float stuckVel = (IsUsingLadder()) ? 10.0f : 20.0f;
+
+			if (avgVel < stuckVel)
+			{
+				// we are stuck - note when and where we initially become stuck
+				m_stuckTimestamp = gpGlobals->curtime;			
+				m_stuckSpot = GetAbsOrigin();
+				m_stuckJumpTimer.Start( RandomFloat( 0.3f, 0.75f ) );		// 1.0
+
+				PrintIfWatched( "STUCK\n" );
+				if (IsLocalPlayerWatchingMe() && cv_bot_debug.GetInt() > 0.0f && UTIL_GetListenServerHost())
+				{
+					CBasePlayer *localPlayer = UTIL_GetListenServerHost();
+					CSingleUserRecipientFilter filter( localPlayer );
+					EmitSound( filter, localPlayer->entindex(), "Bot.StuckStart" );
+				}
+
+				m_isStuck = true;
+			}
+		}
+	}
+
+	// always need to track this
+	m_lastOrigin = GetAbsOrigin();
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Check if we need to jump due to height change
+ */
+bool CCSBot::DiscontinuityJump( float ground, bool onlyJumpDown, bool mustJump )
+{
+	// Don't try to jump if in the air.
+	if( !(GetFlags() & FL_ONGROUND) )
+	{
+		return false;
+	}
+
+	float dz = ground - GetFeetZ();
+
+	if (dz > StepHeight && !onlyJumpDown)
+	{
+		// dont restrict jump time when going up
+		if (Jump( MUST_JUMP ))
+		{
+			return true;
+		}
+	}
+	else if (!IsUsingLadder() && dz < -JumpHeight)
+	{
+		if (Jump( mustJump ))
+		{
+			return true;
+		}
+	}
+
+	return false;
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Find "simple" ground height, treating current nav area as part of the floor
+ */
+bool CCSBot::GetSimpleGroundHeightWithFloor( const Vector &pos, float *height, Vector *normal )
+{
+	if (TheNavMesh->GetSimpleGroundHeight( pos, height, normal ))
+	{
+		// our current nav area also serves as a ground polygon
+		if (m_lastKnownArea && m_lastKnownArea->IsOverlapping( pos ))
+			*height = MAX( (*height), m_lastKnownArea->GetZ( pos ) );
+
+		return true;
+	}
+
+	return false;
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Get our current radio chatter place
+ */
+Place CCSBot::GetPlace( void ) const
+{
+	if (m_lastKnownArea)
+		return m_lastKnownArea->GetPlace();
+
+	return UNDEFINED_PLACE;
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Move towards position, independant of view angle
+ */
+void CCSBot::MoveTowardsPosition( const Vector &pos )
+{
+	Vector myOrigin = GetCentroid( this );
+
+	//
+	// Jump up on ledges
+	// Because we may not be able to get to our goal position and enter the next
+	// area because our extent collides with a nearby vertical ledge, make sure
+	// we look far enough ahead to avoid this situation.
+	// Can't look too far ahead, or bots will try to jump up slopes.
+	//
+	// NOTE: We need to do this frequently to catch edges at the right time
+	// @todo Look ahead *along path* instead of straight line 
+	//
+	if ((m_lastKnownArea == NULL || !(m_lastKnownArea->GetAttributes() & NAV_MESH_NO_JUMP)) &&
+		!IsOnLadder())
+	{
+		float ground;
+		Vector aheadRay( pos.x - myOrigin.x, pos.y - myOrigin.y, 0 );
+		aheadRay.NormalizeInPlace();
+
+		// look far ahead to allow us to smoothly jump over gaps, ledges, etc
+		// only jump if ground is flat at lookahead spot to avoid jumping up slopes
+		bool jumped = false;
+		if (IsRunning())
+		{
+			const float farLookAheadRange = 80.0f;	// 60
+			Vector normal;
+			Vector stepAhead = myOrigin + farLookAheadRange * aheadRay;
+			stepAhead.z += HalfHumanHeight;
+
+			if (GetSimpleGroundHeightWithFloor( stepAhead, &ground, &normal ))
+			{
+				if (normal.z > 0.9f)
+					jumped = DiscontinuityJump( ground, ONLY_JUMP_DOWN );
+			}
+		}
+
+		if (!jumped)
+		{
+			// close up jumping
+			const float lookAheadRange = 30.0f;	// cant be less or will miss jumps over low walls
+			Vector stepAhead = myOrigin + lookAheadRange * aheadRay;
+			stepAhead.z += HalfHumanHeight;
+			if (GetSimpleGroundHeightWithFloor( stepAhead, &ground ))
+			{
+				jumped = DiscontinuityJump( ground );
+			}
+		}
+
+		if (!jumped)
+		{
+			// about to fall gap-jumping
+			const float lookAheadRange = 10.0f;
+			Vector stepAhead = myOrigin + lookAheadRange * aheadRay;
+			stepAhead.z += HalfHumanHeight;
+			if (GetSimpleGroundHeightWithFloor( stepAhead, &ground ))
+			{
+				jumped = DiscontinuityJump( ground, ONLY_JUMP_DOWN, MUST_JUMP );
+			}
+		}
+	}
+
+
+	// compute our current forward and lateral vectors
+	float angle = EyeAngles().y;
+
+	Vector2D dir( BotCOS(angle), BotSIN(angle) );
+	Vector2D lat( -dir.y, dir.x );
+
+	// compute unit vector to goal position
+	Vector2D to( pos.x - myOrigin.x, pos.y - myOrigin.y );
+	to.NormalizeInPlace();
+
+	// move towards the position independant of our view direction
+	float toProj = to.x * dir.x + to.y * dir.y;
+	float latProj = to.x * lat.x + to.y * lat.y;
+
+	const float c = 0.25f;	// 0.5
+	if (toProj > c)
+		MoveForward();
+	else if (toProj < -c)
+		MoveBackward();
+
+	// if we are avoiding someone via strafing, don't override
+	if (m_avoid != NULL)
+		return;
+
+	if (latProj >= c)
+		StrafeLeft();
+	else if (latProj <= -c)
+		StrafeRight();
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Move away from position, independant of view angle
+ */
+void CCSBot::MoveAwayFromPosition( const Vector &pos )
+{
+	// compute our current forward and lateral vectors
+	float angle = EyeAngles().y;
+
+	Vector2D dir( BotCOS(angle), BotSIN(angle) );
+	Vector2D lat( -dir.y, dir.x );
+
+	// compute unit vector to goal position
+	Vector2D to( pos.x - GetAbsOrigin().x, pos.y - GetAbsOrigin().y );
+	to.NormalizeInPlace();
+
+	// move away from the position independant of our view direction
+	float toProj = to.x * dir.x + to.y * dir.y;
+	float latProj = to.x * lat.x + to.y * lat.y;
+
+	const float c = 0.5f;
+	if (toProj > c)
+		MoveBackward();
+	else if (toProj < -c)
+		MoveForward();
+
+	if (latProj >= c)
+		StrafeRight();
+	else if (latProj <= -c)
+		StrafeLeft();
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Strafe (sidestep) away from position, independant of view angle
+ */
+void CCSBot::StrafeAwayFromPosition( const Vector &pos )
+{
+	// compute our current forward and lateral vectors
+	float angle = EyeAngles().y;
+
+	Vector2D dir( BotCOS(angle), BotSIN(angle) );
+	Vector2D lat( -dir.y, dir.x );
+
+	// compute unit vector to goal position
+	Vector2D to( pos.x - GetAbsOrigin().x, pos.y - GetAbsOrigin().y );
+	to.NormalizeInPlace();
+
+	float latProj = to.x * lat.x + to.y * lat.y;
+
+	if (latProj >= 0.0f)
+		StrafeRight();
+	else
+		StrafeLeft();
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * For getting un-stuck
+ */
+void CCSBot::Wiggle( void )
+{
+	if (IsCrouching())
+	{
+		return;
+	}
+
+	// for wiggling
+	if (m_wiggleTimer.IsElapsed())
+	{
+		m_wiggleDirection = (NavRelativeDirType)RandomInt( 0, 3 );
+		m_wiggleTimer.Start( RandomFloat( 0.3f, 0.5f ) );		// 0.3, 0.5
+	}
+
+	Vector forward, right;
+	EyeVectors( &forward, &right );
+
+	const float lookAheadRange = (m_lastKnownArea && (m_lastKnownArea->GetAttributes() & NAV_MESH_WALK)) ? 5.0f : 30.0f;
+	float ground;
+
+	switch( m_wiggleDirection )
+	{
+		case LEFT:
+		{
+			// don't move left if we will fall
+			Vector pos = GetAbsOrigin() - (lookAheadRange * right);
+
+			if (GetSimpleGroundHeightWithFloor( pos, &ground ))
+			{
+				if (GetAbsOrigin().z - ground < StepHeight)
+				{
+					StrafeLeft();
+				}
+			}
+			break;
+		}
+
+		case RIGHT:
+		{
+			// don't move right if we will fall
+			Vector pos = GetAbsOrigin() + (lookAheadRange * right);
+
+			if (GetSimpleGroundHeightWithFloor( pos, &ground ))
+			{
+				if (GetAbsOrigin().z - ground < StepHeight)
+				{
+					StrafeRight();
+				}
+			}
+			break;
+		}
+
+		case FORWARD:
+		{
+			// don't move forward if we will fall
+			Vector pos = GetAbsOrigin() + (lookAheadRange * forward);
+
+			if (GetSimpleGroundHeightWithFloor( pos, &ground ))
+			{
+				if (GetAbsOrigin().z - ground < StepHeight)
+				{
+					MoveForward();
+				}
+			}
+			break;
+		}
+
+		case BACKWARD:
+		{
+			// don't move backward if we will fall
+			Vector pos = GetAbsOrigin() - (lookAheadRange * forward);
+
+			if (GetSimpleGroundHeightWithFloor( pos, &ground ))
+			{
+				if (GetAbsOrigin().z - ground < StepHeight)
+				{
+					MoveBackward();
+				}
+			}
+			break;
+		}
+	}
+
+	if (m_stuckJumpTimer.IsElapsed() && m_lastKnownArea && !(m_lastKnownArea->GetAttributes() & NAV_MESH_NO_JUMP))
+	{
+		if (Jump())
+		{
+			m_stuckJumpTimer.Start( RandomFloat( 1.0f, 2.0f ) );
+		}
+	}
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Determine approach points from eye position and approach areas of current area
+ */
+void CCSBot::ComputeApproachPoints( void )
+{
+	m_approachPointCount = 0;
+
+	if (m_lastKnownArea == NULL)
+	{
+		return;
+	}
+
+	// assume we're crouching for now
+	Vector eye = GetCentroid( this ); // + pev->view_ofs;	// eye position
+
+	Vector ap;
+	float halfWidth;
+	for( int i=0; i<m_lastKnownArea->GetApproachInfoCount() && m_approachPointCount < MAX_APPROACH_POINTS; ++i )
+	{
+		const CCSNavArea::ApproachInfo *info = m_lastKnownArea->GetApproachInfo( i );
+
+		if (info->here.area == NULL || info->prev.area == NULL)
+		{
+			continue;
+		}
+
+		// compute approach point (approach area is "info->here")
+		if (info->prevToHereHow <= GO_WEST)
+		{
+			info->prev.area->ComputePortal( info->here.area, (NavDirType)info->prevToHereHow, &ap, &halfWidth );
+			ap.z = info->here.area->GetZ( ap );
+		}
+		else
+		{
+			// use the area's center as an approach point
+			ap = info->here.area->GetCenter();
+		}
+
+		// "bend" our line of sight around corners until we can see the approach point
+		Vector bendPoint;
+		if (BendLineOfSight( eye, ap + Vector( 0, 0, HalfHumanHeight ), &bendPoint ))
+		{
+			// put point on the ground
+			if (TheNavMesh->GetGroundHeight( bendPoint, &bendPoint.z ) == false)
+			{
+				bendPoint.z = ap.z;
+			}
+
+			m_approachPoint[ m_approachPointCount ].m_pos = bendPoint;
+			m_approachPoint[ m_approachPointCount ].m_area = info->here.area;
+			++m_approachPointCount;
+		}
+	}
+}
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::DrawApproachPoints( void ) const
+{
+	for( int i=0; i<m_approachPointCount; ++i )
+	{
+		if (TheCSBots()->GetElapsedRoundTime() >= m_approachPoint[i].m_area->GetEarliestOccupyTime( OtherTeam( GetTeamNumber() ) ))
+			NDebugOverlay::Cross3D( m_approachPoint[i].m_pos, 10.0f, 255, 0, 255, true, 0.1f );
+		else
+			NDebugOverlay::Cross3D( m_approachPoint[i].m_pos, 10.0f, 100, 100, 100, true, 0.1f );
+	}
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Find the approach point that is nearest to our current path, ahead of us
+ */
+bool CCSBot::FindApproachPointNearestPath( Vector *pos )
+{
+	if (!HasPath())
+		return false;
+
+	// make sure approach points are accurate
+	ComputeApproachPoints();
+
+	if (m_approachPointCount == 0)
+		return false;
+
+	Vector target = Vector( 0, 0, 0 ), close;
+	float targetRangeSq = 0.0f;
+	bool found = false;
+
+	int start = m_pathIndex;
+	int end = m_pathLength;
+
+	//
+	// We dont want the strictly closest point, but the farthest approach point
+	// from us that is near our path
+	//
+	const float nearPathSq = 10000.0f;	// (100)
+
+	for( int i=0; i<m_approachPointCount; ++i )
+	{
+		if (FindClosestPointOnPath( m_approachPoint[i].m_pos, start, end, &close ) == false)
+			continue;
+
+		float rangeSq = (m_approachPoint[i].m_pos - close).LengthSqr();
+		if (rangeSq > nearPathSq)
+			continue;
+
+		if (rangeSq > targetRangeSq)
+		{
+			target = close;
+			targetRangeSq = rangeSq;
+			found = true;
+		}
+	}
+
+	if (found)
+	{
+		*pos = target + Vector( 0, 0, HalfHumanHeight );
+		return true;	
+	}
+
+	return false;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Return true if we are at the/an enemy spawn right now
+ */
+bool CCSBot::IsAtEnemySpawn( void ) const
+{
+	CBaseEntity *spot;
+	const char *spawnName = (GetTeamNumber() == TEAM_TERRORIST) ? "info_player_counterterrorist" : "info_player_terrorist";
+
+	// check if we are at any of the enemy's spawn points
+	for( spot = gEntList.FindEntityByClassname( NULL, spawnName ); spot; spot = gEntList.FindEntityByClassname( spot, spawnName ) )
+	{
+		CNavArea *area = TheNavMesh->GetNearestNavArea( spot->WorldSpaceCenter() );
+		if (area && GetLastKnownArea() == area)
+		{
+			return true;
+		}
+	}
+
+	return false;
+}
+

game/server/cstrike/bot/cs_bot_radio.cpp

@@ -0,0 +1,346 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#include "cbase.h"
+#include "cs_bot.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+extern int gmsgBotVoice;
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Returns true if the radio message is an order to do something
+ * NOTE: "Report in" is not considered a "command" because it doesnt ask the bot to go somewhere, or change its mind
+ */
+bool CCSBot::IsRadioCommand( RadioType event ) const
+{
+	if (event == RADIO_AFFIRMATIVE ||
+		event == RADIO_NEGATIVE ||
+		event == RADIO_ENEMY_SPOTTED ||
+		event == RADIO_SECTOR_CLEAR ||
+		event == RADIO_REPORTING_IN ||
+		event == RADIO_REPORT_IN_TEAM ||
+		event == RADIO_ENEMY_DOWN ||
+		event == RADIO_INVALID )
+		return false;
+
+	return true;
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Respond to radio commands from HUMAN players
+ */
+void CCSBot::RespondToRadioCommands( void )
+{
+	// bots use the chatter system to respond to each other
+	if (m_radioSubject != NULL && m_radioSubject->IsPlayer())
+	{
+		CCSPlayer *player = m_radioSubject;
+		if (player->IsBot())
+		{
+			m_lastRadioCommand = RADIO_INVALID;
+			return;
+		}
+	}
+	
+	if (m_lastRadioCommand == RADIO_INVALID)
+		return;
+
+	// a human player has issued a radio command
+	GetChatter()->ResetRadioSilenceDuration();
+
+
+	// if we are doing something important, ignore the radio
+	// unless it is a "report in" request - we can do that while we continue to do other things
+	/// @todo Create "uninterruptable" flag
+	if (m_lastRadioCommand != RADIO_REPORT_IN_TEAM)
+	{
+		if (IsBusy())
+		{
+			// consume command
+			m_lastRadioCommand = RADIO_INVALID;
+			return;
+		}
+	}
+
+	// wait for reaction time before responding
+	// delay needs to be long enough for the radio message we're responding to to finish
+	float respondTime = 1.0f + 2.0f * GetProfile()->GetReactionTime();
+	if (IsRogue())
+		respondTime += 2.0f;
+
+	if (gpGlobals->curtime - m_lastRadioRecievedTimestamp < respondTime)
+		return;
+
+	// rogues won't follow commands, unless already following the player
+	if (!IsFollowing() && IsRogue())
+	{
+		if (IsRadioCommand( m_lastRadioCommand ))
+		{
+			GetChatter()->Negative();
+		}
+
+		// consume command
+		m_lastRadioCommand = RADIO_INVALID;
+		return;
+	}
+
+	CCSPlayer *player = m_radioSubject;
+	if (player == NULL)
+		return;
+
+	// respond to command
+	bool canDo = false;
+	const float inhibitAutoFollowDuration = 60.0f;
+	switch( m_lastRadioCommand )
+	{
+		case RADIO_REPORT_IN_TEAM:
+		{
+			GetChatter()->ReportingIn();
+			break;
+		}
+
+		case RADIO_FOLLOW_ME:
+		case RADIO_COVER_ME:
+		case RADIO_STICK_TOGETHER_TEAM:
+		case RADIO_REGROUP_TEAM:
+		{
+			if (!IsFollowing())
+			{
+				Follow( player );
+				player->AllowAutoFollow();
+				canDo = true;
+			}
+			break;
+		}
+
+		case RADIO_ENEMY_SPOTTED:
+		case RADIO_NEED_BACKUP:
+		case RADIO_TAKING_FIRE:
+			if (!IsFollowing())
+			{
+				Follow( player );
+				GetChatter()->Say( "OnMyWay" );
+				player->AllowAutoFollow();
+				canDo = false;
+			}
+			break;
+
+		case RADIO_TEAM_FALL_BACK:
+		{
+			if (TryToRetreat())
+				canDo = true;
+			break;
+		}
+
+		case RADIO_HOLD_THIS_POSITION:
+		{
+			// find the leader's area 
+			SetTask( HOLD_POSITION );
+			StopFollowing();
+			player->InhibitAutoFollow( inhibitAutoFollowDuration );
+			Hide( TheNavMesh->GetNearestNavArea( m_radioPosition ) );
+			canDo = true;
+			break;
+		}
+
+		case RADIO_GO_GO_GO:
+		case RADIO_STORM_THE_FRONT:
+			StopFollowing();
+			Hunt();
+			canDo = true;
+			player->InhibitAutoFollow( inhibitAutoFollowDuration );
+			break;
+
+		case RADIO_GET_OUT_OF_THERE:
+			if (TheCSBots()->IsBombPlanted())
+			{
+				EscapeFromBomb();
+				player->InhibitAutoFollow( inhibitAutoFollowDuration );
+				canDo = true;
+			}
+			break;
+
+		case RADIO_SECTOR_CLEAR:
+		{
+			// if this is a defusal scenario, and the bomb is planted, 
+			// and a human player cleared a bombsite, check it off our list too
+			if (TheCSBots()->GetScenario() == CCSBotManager::SCENARIO_DEFUSE_BOMB)
+			{
+				if (GetTeamNumber() == TEAM_CT && TheCSBots()->IsBombPlanted())
+				{
+					const CCSBotManager::Zone *zone = TheCSBots()->GetClosestZone( player );
+
+					if (zone)
+					{
+						GetGameState()->ClearBombsite( zone->m_index );
+
+						// if we are huting for the planted bomb, re-select bombsite
+						if (GetTask() == FIND_TICKING_BOMB)
+							Idle();
+
+						canDo = true;
+					}
+				}
+			}			
+			break;
+		}
+
+		default:
+			// ignore all other radio commands for now
+			return;
+	}
+
+	if (canDo)
+	{
+		// affirmative
+		GetChatter()->Affirmative();
+
+		// if we agreed to follow a new command, put away our grenade
+		if (IsRadioCommand( m_lastRadioCommand ) && IsUsingGrenade())
+		{
+			EquipBestWeapon();
+		}
+	}
+
+	// consume command
+	m_lastRadioCommand = RADIO_INVALID;
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Decide if we should move to help the player, return true if we will
+ */
+bool CCSBot::RespondToHelpRequest( CCSPlayer *them, Place place, float maxRange )
+{
+	if (IsRogue())
+		return false;
+
+	// if we're busy, ignore
+	if (IsBusy())
+		return false;
+
+	Vector themOrigin = GetCentroid( them );
+
+	// if we are too far away, ignore
+	if (maxRange > 0.0f)
+	{
+		// compute actual travel distance
+		PathCost cost(this);
+		float travelDistance = NavAreaTravelDistance( m_lastKnownArea, TheNavMesh->GetNearestNavArea( themOrigin ), cost );
+		if (travelDistance < 0.0f)
+			return false;
+
+		if (travelDistance > maxRange)
+			return false;
+	}
+
+
+	if (place == UNDEFINED_PLACE)
+	{
+		// if we have no "place" identifier, go directly to them
+
+		// if we are already there, ignore
+		float rangeSq = (them->GetAbsOrigin() - GetAbsOrigin()).LengthSqr();
+		const float close = 750.0f * 750.0f;
+		if (rangeSq < close)
+			return true;
+
+		MoveTo( themOrigin, FASTEST_ROUTE );
+	}
+	else
+	{
+		// if we are already there, ignore
+		if (GetPlace() == place)
+			return true;
+
+		// go to where help is needed
+		const Vector *pos = GetRandomSpotAtPlace( place );
+		if (pos)
+		{
+			MoveTo( *pos, FASTEST_ROUTE );
+		}
+		else
+		{
+			MoveTo( themOrigin, FASTEST_ROUTE );
+		}
+	}
+
+	// acknowledge
+	GetChatter()->Say( "OnMyWay" );
+
+	return true;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Send a radio message
+ */
+void CCSBot::SendRadioMessage( RadioType event )
+{
+	// make sure this is a radio event
+	if (event <= RADIO_START_1 || event >= RADIO_END)
+		return;
+
+	PrintIfWatched( "%3.1f: SendRadioMessage( %s )\n", gpGlobals->curtime, RadioEventName[ event ] );
+
+	// note the time the message was sent
+	TheCSBots()->SetRadioMessageTimestamp( event, GetTeamNumber() );
+
+	m_lastRadioSentTimestamp = gpGlobals->curtime;
+
+	char slot[2];
+	slot[1] = '\000';
+
+	if (event > RADIO_START_1 && event < RADIO_START_2)
+	{
+		HandleMenu_Radio1( event - RADIO_START_1 );
+	}
+	else if (event > RADIO_START_2 && event < RADIO_START_3)
+	{
+		HandleMenu_Radio2( event - RADIO_START_2 );
+	}
+	else
+	{
+		HandleMenu_Radio3( event - RADIO_START_3 );
+	}
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Send voice chatter.  Also sends the entindex and duration for voice feedback.
+ */
+void CCSBot::SpeakAudio( const char *voiceFilename, float duration, int pitch )
+{
+	if( !IsAlive() )
+		return;
+
+	if ( IsObserver() )
+		return;
+
+	CRecipientFilter filter;
+	ConstructRadioFilter( filter );
+
+	UserMessageBegin ( filter, "RawAudio" );
+		WRITE_BYTE( pitch );
+		WRITE_BYTE( entindex() );
+		WRITE_FLOAT( duration );
+		WRITE_STRING( voiceFilename );
+	MessageEnd();
+
+	GetChatter()->ResetRadioSilenceDuration();
+
+	m_voiceEndTimestamp = gpGlobals->curtime + duration;
+}
+

game/server/cstrike/bot/cs_bot_statemachine.cpp

@@ -0,0 +1,693 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#include "cbase.h"
+#include "cs_bot.h"
+#include "cs_nav_path.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * This method is the ONLY legal way to change a bot's current state
+ */
+void CCSBot::SetState( BotState *state )
+{
+	PrintIfWatched( "%s: SetState: %s -> %s\n", GetPlayerName(), (m_state) ? m_state->GetName() : "NULL", state->GetName() );
+
+	/*
+	if ( IsDefusingBomb() )
+	{
+		const Vector *bombPos = GetGameState()->GetBombPosition();
+		if ( bombPos != NULL )
+		{
+			if ( TheCSBots()->GetBombDefuser() == this )
+			{
+				if ( TheCSBots()->IsBombPlanted() )
+				{
+					Msg( "Bot %s is switching from defusing the bomb to %s\n",
+						GetPlayerName(), state->GetName() );
+				}
+			}
+		}
+	}
+	*/
+
+	// if we changed state from within the special Attack state, we are no longer attacking
+	if (m_isAttacking)
+		StopAttacking();
+
+	if (m_state)
+		m_state->OnExit( this );
+
+	state->OnEnter( this );
+
+	m_state = state;
+	m_stateTimestamp = gpGlobals->curtime;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::Idle( void )
+{
+	SetTask( SEEK_AND_DESTROY );
+	SetState( &m_idleState );
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::EscapeFromBomb( void )
+{
+	SetTask( ESCAPE_FROM_BOMB );
+	SetState( &m_escapeFromBombState );
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::Follow( CCSPlayer *player )
+{
+	if (player == NULL)
+		return;
+
+	// note when we began following
+	if (!m_isFollowing || m_leader != player)
+		m_followTimestamp = gpGlobals->curtime;
+
+	m_isFollowing = true;
+	m_leader = player;
+
+	SetTask( FOLLOW );
+	m_followState.SetLeader( player );
+	SetState( &m_followState );
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Continue following our leader after finishing what we were doing
+ */
+void CCSBot::ContinueFollowing( void )
+{
+	SetTask( FOLLOW );
+
+	m_followState.SetLeader( m_leader );
+
+	SetState( &m_followState );
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Stop following
+ */
+void CCSBot::StopFollowing( void )
+{
+	m_isFollowing = false;
+	m_leader = NULL;
+	m_allowAutoFollowTime = gpGlobals->curtime + 10.0f;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Begin process of rescuing hostages
+ */
+void CCSBot::RescueHostages( void )
+{
+	SetTask( RESCUE_HOSTAGES );
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Use the entity
+ */
+void CCSBot::UseEntity( CBaseEntity *entity )
+{
+	m_useEntityState.SetEntity( entity );
+	SetState( &m_useEntityState );
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Open the door.
+ * This assumes the bot is directly in front of the door with no obstructions.
+ * NOTE: This state is special, like Attack, in that it suspends the current behavior and returns to it when done.
+ */
+void CCSBot::OpenDoor( CBaseEntity *door )
+{
+	m_openDoorState.SetDoor( door );
+	m_isOpeningDoor = true;
+	m_openDoorState.OnEnter( this );
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * DEPRECATED: Use TryToHide() instead.
+ * Move to a hiding place.
+ * If 'searchFromArea' is non-NULL, hiding spots are looked for from that area first.
+ */
+void CCSBot::Hide( CNavArea *searchFromArea, float duration, float hideRange, bool holdPosition )
+{
+	DestroyPath();
+
+	CNavArea *source;
+	Vector sourcePos;
+	if (searchFromArea)
+	{
+		source = searchFromArea;
+		sourcePos = searchFromArea->GetCenter();
+	}
+	else
+	{
+		source = m_lastKnownArea;
+		sourcePos = GetCentroid( this );
+	}
+
+	if (source == NULL)
+	{
+		PrintIfWatched( "Hide from area is NULL.\n" );
+		Idle();
+		return;
+	}
+
+	m_hideState.SetSearchArea( source );
+	m_hideState.SetSearchRange( hideRange );
+	m_hideState.SetDuration( duration );
+	m_hideState.SetHoldPosition( holdPosition );
+
+	// search around source area for a good hiding spot
+	Vector useSpot;
+
+	const Vector *pos = FindNearbyHidingSpot( this, sourcePos, hideRange, IsSniper() );
+	if (pos == NULL)
+	{
+		PrintIfWatched( "No available hiding spots.\n" );
+		// hide at our current position
+		useSpot = GetCentroid( this );
+	}
+	else
+	{
+		useSpot = *pos;
+	}
+
+	m_hideState.SetHidingSpot( useSpot );
+
+	// build a path to our new hiding spot
+	if (ComputePath( useSpot, FASTEST_ROUTE ) == false)
+	{
+		PrintIfWatched( "Can't pathfind to hiding spot\n" );
+		Idle();
+		return;
+	}
+
+	SetState( &m_hideState );
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Move to the given hiding place
+ */
+void CCSBot::Hide( const Vector &hidingSpot, float duration, bool holdPosition )
+{
+	CNavArea *hideArea = TheNavMesh->GetNearestNavArea( hidingSpot );
+	if (hideArea == NULL)
+	{
+		PrintIfWatched( "Hiding spot off nav mesh\n" );
+		Idle();
+		return;
+	}
+
+	DestroyPath();
+
+	m_hideState.SetSearchArea( hideArea );
+	m_hideState.SetSearchRange( 750.0f );
+	m_hideState.SetDuration( duration );
+	m_hideState.SetHoldPosition( holdPosition );
+	m_hideState.SetHidingSpot( hidingSpot );
+
+	// build a path to our new hiding spot
+	if (ComputePath( hidingSpot, FASTEST_ROUTE ) == false)
+	{
+		PrintIfWatched( "Can't pathfind to hiding spot\n" );
+		Idle();
+		return;
+	}
+
+	SetState( &m_hideState );
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Try to hide nearby.  Return true if hiding, false if can't hide here.
+ * If 'searchFromArea' is non-NULL, hiding spots are looked for from that area first.
+ */
+bool CCSBot::TryToHide( CNavArea *searchFromArea, float duration, float hideRange, bool holdPosition, bool useNearest )
+{
+	CNavArea *source;
+	Vector sourcePos;
+	if (searchFromArea)
+	{
+		source = searchFromArea;
+		sourcePos = searchFromArea->GetCenter();
+	}
+	else
+	{
+		source = m_lastKnownArea;
+		sourcePos = GetCentroid( this );
+	}
+
+	if (source == NULL)
+	{
+		PrintIfWatched( "Hide from area is NULL.\n" );
+		return false;
+	}
+
+	m_hideState.SetSearchArea( source );
+	m_hideState.SetSearchRange( hideRange );
+	m_hideState.SetDuration( duration );
+	m_hideState.SetHoldPosition( holdPosition );
+
+	// search around source area for a good hiding spot
+	const Vector *pos = FindNearbyHidingSpot( this, sourcePos, hideRange, IsSniper(), useNearest );
+	if (pos == NULL)
+	{
+		PrintIfWatched( "No available hiding spots.\n" );
+		return false;
+	}
+
+	m_hideState.SetHidingSpot( *pos );
+
+	// build a path to our new hiding spot
+	if (ComputePath( *pos, FASTEST_ROUTE ) == false)
+	{
+		PrintIfWatched( "Can't pathfind to hiding spot\n" );
+		return false;
+	}
+
+	SetState( &m_hideState );
+	return true;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Retreat to a nearby hiding spot, away from enemies
+ */
+bool CCSBot::TryToRetreat( float maxRange, float duration )
+{
+	const Vector *spot = FindNearbyRetreatSpot( this, maxRange );
+	if (spot)
+	{
+		// ignore enemies for a second to give us time to hide
+		// reaching our hiding spot clears our disposition
+		IgnoreEnemies( 10.0f );
+
+		if (duration < 0.0f)
+		{
+			duration = RandomFloat( 3.0f, 15.0f );
+		}
+
+		StandUp();
+		Run();
+		Hide( *spot, duration );
+
+		PrintIfWatched( "Retreating to a safe spot!\n" );
+
+		return true;
+	}
+
+	return false;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::Hunt( void )
+{
+	SetState( &m_huntState );
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Attack our the given victim
+ * NOTE: Attacking does not change our task.
+ */
+void CCSBot::Attack( CCSPlayer *victim )
+{
+	if (victim == NULL)
+		return;
+
+	// zombies never attack
+	if (cv_bot_zombie.GetBool())
+		return;
+
+	// cannot attack if we are reloading
+	if (IsReloading())
+		return;
+
+	// change enemy
+	SetBotEnemy( victim );
+
+	//
+	// Do not "re-enter" the attack state if we are already attacking
+	//
+	if (IsAttacking())
+		return;
+
+	// if we're holding a grenade, throw it at the victim
+	if (IsUsingGrenade())
+	{
+		// throw towards their feet
+		ThrowGrenade( victim->GetAbsOrigin() );
+		return;
+	}
+
+
+	// if we are currently hiding, increase our chances of crouching and holding position
+	if (IsAtHidingSpot())
+		m_attackState.SetCrouchAndHold( (RandomFloat( 0.0f, 100.0f ) < 60.0f) ? true : false );
+	else
+		m_attackState.SetCrouchAndHold( false );
+
+	//SetState( &m_attackState );
+	//PrintIfWatched( "ATTACK BEGIN (reaction time = %g (+ update time), surprise time = %g, attack delay = %g)\n", 
+	//				GetProfile()->GetReactionTime(), m_surpriseDelay, GetProfile()->GetAttackDelay() );
+	m_isAttacking = true;
+	m_attackState.OnEnter( this );
+
+
+	Vector victimOrigin = GetCentroid( victim );
+
+	// cheat a bit and give the bot the initial location of its victim
+	m_lastEnemyPosition = victimOrigin;
+	m_lastSawEnemyTimestamp = gpGlobals->curtime;
+	m_aimSpreadTimestamp = gpGlobals->curtime;
+
+	// compute the angle difference between where are looking, and where we need to look
+	Vector toEnemy = victimOrigin - GetCentroid( this );
+
+	QAngle idealAngle;
+	VectorAngles( toEnemy, idealAngle );
+
+	float deltaYaw = (float)fabs(m_lookYaw - idealAngle.y);
+
+	while( deltaYaw > 180.0f )
+		deltaYaw -= 360.0f;
+
+	if (deltaYaw < 0.0f)
+		deltaYaw = -deltaYaw;
+
+	// immediately aim at enemy - accuracy penalty depending on how far we must turn to aim
+	// accuracy is halved if we have to turn 180 degrees
+	float turn = deltaYaw / 180.0f;
+	float accuracy = GetProfile()->GetSkill() / (1.0f + turn);
+
+	SetAimOffset( accuracy );
+
+	// define time when aim offset will automatically be updated
+	// longer time the more we had to turn (surprise)
+	m_aimOffsetTimestamp = gpGlobals->curtime + RandomFloat( 0.25f + turn, 1.5f );
+
+	// forget any look at targets we have
+	ClearLookAt();
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Exit the Attack state
+ */
+void CCSBot::StopAttacking( void )
+{
+	PrintIfWatched( "ATTACK END\n" );
+	m_attackState.OnExit( this );
+	m_isAttacking = false;
+
+	// if we are following someone, go to the Idle state after the attack to decide whether we still want to follow
+	if (IsFollowing())
+	{
+		Idle();
+	}
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+bool CCSBot::IsAttacking( void ) const
+{
+	return m_isAttacking;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Return true if we are escaping from the bomb
+ */
+bool CCSBot::IsEscapingFromBomb( void ) const
+{
+	if (m_state == static_cast<const BotState *>( &m_escapeFromBombState ))
+		return true;
+
+	return false;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Return true if we are defusing the bomb
+ */
+bool CCSBot::IsDefusingBomb( void ) const
+{
+	if (m_state == static_cast<const BotState *>( &m_defuseBombState ))
+		return true;
+
+	return false;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Return true if we are hiding
+ */
+bool CCSBot::IsHiding( void ) const
+{
+	if (m_state == static_cast<const BotState *>( &m_hideState ))
+		return true;
+
+	return false;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Return true if we are hiding and at our hiding spot
+ */
+bool CCSBot::IsAtHidingSpot( void ) const
+{
+	if (!IsHiding())
+		return false;
+
+	return m_hideState.IsAtSpot();
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Return number of seconds we have been at our current hiding spot
+ */
+float CCSBot::GetHidingTime( void ) const
+{
+	if (IsHiding())
+	{
+		return m_hideState.GetHideTime();
+	}
+
+	return 0.0f;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Return true if we are huting
+ */
+bool CCSBot::IsHunting( void ) const
+{
+	if (m_state == static_cast<const BotState *>( &m_huntState ))
+		return true;
+
+	return false;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Return true if we are in the MoveTo state
+ */
+bool CCSBot::IsMovingTo( void ) const
+{
+	if (m_state == static_cast<const BotState *>( &m_moveToState ))
+		return true;
+
+	return false;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Return true if we are buying
+ */
+bool CCSBot::IsBuying( void ) const
+{
+	if (m_state == static_cast<const BotState *>( &m_buyState ))
+		return true;
+
+	return false;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+bool CCSBot::IsInvestigatingNoise( void ) const
+{
+	if (m_state == static_cast<const BotState *>( &m_investigateNoiseState ))
+		return true;
+
+	return false;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Move to potentially distant position
+ */
+void CCSBot::MoveTo( const Vector &pos, RouteType route )
+{
+	m_moveToState.SetGoalPosition( pos );
+	m_moveToState.SetRouteType( route );
+	SetState( &m_moveToState );
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::PlantBomb( void )
+{
+	SetState( &m_plantBombState );
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Bomb has been dropped - go get it
+ */
+void CCSBot::FetchBomb( void )
+{
+	SetState( &m_fetchBombState );
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::DefuseBomb( void )
+{
+	SetState( &m_defuseBombState );
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Investigate recent enemy noise
+ */
+void CCSBot::InvestigateNoise( void )
+{
+	SetState( &m_investigateNoiseState );
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CCSBot::Buy( void )
+{
+	SetState( &m_buyState );
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Move to a hiding spot and wait for initial encounter with enemy team.
+ * Return false if can't do this behavior (ie: no hiding spots available).
+ */
+bool CCSBot::MoveToInitialEncounter( void )
+{
+	int myTeam = GetTeamNumber();
+	int enemyTeam = OtherTeam( myTeam );
+
+	// build a path to an enemy spawn point
+	CBaseEntity *enemySpawn = TheCSBots()->GetRandomSpawn( enemyTeam );
+
+	if (enemySpawn == NULL)
+	{
+		PrintIfWatched( "MoveToInitialEncounter: No enemy spawn points?\n" );
+		return false;
+	}
+
+	// build a path from us to the enemy spawn
+	CCSNavPath path;
+	PathCost cost( this, FASTEST_ROUTE );
+	path.Compute( WorldSpaceCenter(), enemySpawn->GetAbsOrigin(), cost );
+
+	if (!path.IsValid())
+	{
+		PrintIfWatched( "MoveToInitialEncounter: Pathfind failed.\n" );
+		return false;
+	}
+
+	// find battlefront area where teams will first meet along this path
+	int i;
+	for( i=0; i<path.GetSegmentCount(); ++i )
+	{
+		if (path[i]->area->GetEarliestOccupyTime( myTeam ) > path[i]->area->GetEarliestOccupyTime( enemyTeam ))
+		{
+			break;
+		}
+	}
+
+	if (i == path.GetSegmentCount())
+	{
+		PrintIfWatched( "MoveToInitialEncounter: Can't find battlefront!\n" );
+		return false;
+	}
+
+	/// @todo Remove this evil side-effect
+	SetInitialEncounterArea( path[i]->area );
+
+	// find a hiding spot on our side of the battlefront that has LOS to it
+	const float maxRange = 1500.0f;
+	const HidingSpot *spot = FindInitialEncounterSpot( this, path[i]->area->GetCenter(), path[i]->area->GetEarliestOccupyTime( enemyTeam ), maxRange, IsSniper() );
+
+	if (spot == NULL)
+	{
+		PrintIfWatched( "MoveToInitialEncounter: Can't find a hiding spot\n" );
+		return false;
+	}
+
+	float timeToWait = path[i]->area->GetEarliestOccupyTime( enemyTeam ) - spot->GetArea()->GetEarliestOccupyTime( myTeam );
+	float minWaitTime = 4.0f * GetProfile()->GetAggression() + 3.0f;
+	if (timeToWait < minWaitTime)
+	{
+		timeToWait = minWaitTime;
+	}
+
+	Hide( spot->GetPosition(), timeToWait );
+
+	return true;
+}
+

game/server/cstrike/bot/cs_bot_weapon_id.cpp

@@ -0,0 +1,22 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael Booth (mike@turtlerockstudios.com), 2003
+// Author: Matthew D. Campbell (matt@turtlerockstudios.com), 2003
+
+#include "cbase.h"
+#include "cs_bot.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//--------------------------------------------------------------------------------------------------------
+//
+// Temporary solution until we have time to build something more elegant
+// Very nasty - need to keep in sync with the buy aliases
+// NOTE: Array must be NULL terminated
+//

game/server/cstrike/bot/cs_gamestate.cpp

@@ -0,0 +1,767 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Encapsulation of the current scenario/game state. Allows each bot imperfect knowledge.
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#include "cbase.h"
+#include "KeyValues.h"
+
+#include "cs_bot.h"
+#include "cs_gamestate.h"
+#include "cs_simple_hostage.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//--------------------------------------------------------------------------------------------------------------
+CSGameState::CSGameState( CCSBot *owner )
+{
+	m_owner = owner;
+	m_isRoundOver = false;
+
+	m_bombState = MOVING;
+	m_lastSawBomber.Invalidate();
+	m_lastSawLooseBomb.Invalidate();
+	m_isPlantedBombPosKnown = false;
+	m_plantedBombsite = UNKNOWN;
+
+	m_bombsiteCount = 0;
+	m_bombsiteSearchIndex = 0;
+
+	for( int i=0; i<MAX_HOSTAGES; ++i )
+	{
+		m_hostage[i].hostage = NULL;
+		m_hostage[i].isValid = false;
+		m_hostage[i].isAlive = false;
+		m_hostage[i].isFree = true;
+		m_hostage[i].knownPos = Vector( 0, 0, 0 );
+	}
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Reset at round start
+ */
+void CSGameState::Reset( void )
+{
+	m_isRoundOver = false;
+
+	// bomb -----------------------------------------------------------------------
+	m_bombState = MOVING;
+	m_lastSawBomber.Invalidate();
+	m_lastSawLooseBomb.Invalidate();
+	m_isPlantedBombPosKnown = false;
+	m_plantedBombsite = UNKNOWN;
+
+	m_bombsiteCount = TheCSBots()->GetZoneCount();
+
+	int i;
+	for( i=0; i<m_bombsiteCount; ++i )
+	{
+		m_isBombsiteClear[i] = false;
+		m_bombsiteSearchOrder[i] = i;
+	}
+
+	// shuffle the bombsite search order
+	// allows T's to plant at random site, and TEAM_CT's to search in a random order
+	// NOTE: VS6 std::random_shuffle() doesn't work well with an array of two elements (most maps)
+	for( i=0; i < m_bombsiteCount; ++i )
+	{
+		int swap = m_bombsiteSearchOrder[i];
+		int rnd = RandomInt( i, m_bombsiteCount-1 );
+		m_bombsiteSearchOrder[i] = m_bombsiteSearchOrder[ rnd ];
+		m_bombsiteSearchOrder[ rnd ] = swap;
+	}
+
+	m_bombsiteSearchIndex = 0;
+
+	// hostage ---------------------------------------------------------------------
+	InitializeHostageInfo();
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Update game state based on events we have received
+ */
+void CSGameState::OnHostageRescuedAll( IGameEvent *event )
+{
+	m_allHostagesRescued = true;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Update game state based on events we have received
+ */
+void CSGameState::OnRoundEnd( IGameEvent *event )
+{
+	m_isRoundOver = true;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Update game state based on events we have received
+ */
+void CSGameState::OnRoundStart( IGameEvent *event )
+{
+	Reset();
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Update game state based on events we have received
+ */
+void CSGameState::OnBombPlanted( IGameEvent *event )
+{
+	// change state - the event is announced to everyone
+	SetBombState( PLANTED );
+
+	CBasePlayer *plantingPlayer = UTIL_PlayerByUserId( event->GetInt( "userid" ) );
+
+	// Terrorists always know where the bomb is
+	if (m_owner->GetTeamNumber() == TEAM_TERRORIST && plantingPlayer)
+	{
+		UpdatePlantedBomb( plantingPlayer->GetAbsOrigin() );
+	}
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Update game state based on events we have received
+ */
+void CSGameState::OnBombDefused( IGameEvent *event )
+{
+	// change state - the event is announced to everyone
+	SetBombState( DEFUSED );
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Update game state based on events we have received
+ */
+void CSGameState::OnBombExploded( IGameEvent *event )
+{
+	// change state - the event is announced to everyone
+	SetBombState( EXPLODED );
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * True if round has been won or lost (but not yet reset)
+ */
+bool CSGameState::IsRoundOver( void ) const
+{
+	return m_isRoundOver;
+}
+
+//--------------------------------------------------------------------------------------------------------------
+void CSGameState::SetBombState( BombState state )
+{
+	// if state changed, reset "last seen" timestamps
+	if (m_bombState != state)
+	{
+		m_bombState = state;
+	}
+}
+
+//--------------------------------------------------------------------------------------------------------------
+void CSGameState::UpdateLooseBomb( const Vector &pos )
+{
+	m_looseBombPos = pos;
+	m_lastSawLooseBomb.Reset();
+
+	// we saw the loose bomb, update our state
+	SetBombState( LOOSE );
+}
+
+//--------------------------------------------------------------------------------------------------------------
+float CSGameState::TimeSinceLastSawLooseBomb( void ) const
+{
+	return m_lastSawLooseBomb.GetElapsedTime();
+}
+
+//--------------------------------------------------------------------------------------------------------------
+bool CSGameState::IsLooseBombLocationKnown( void ) const
+{
+	if (m_bombState != LOOSE)
+		return false;
+
+	return (m_lastSawLooseBomb.HasStarted()) ? true : false;
+}
+
+//--------------------------------------------------------------------------------------------------------------
+void CSGameState::UpdateBomber( const Vector &pos )
+{
+	m_bomberPos = pos;
+	m_lastSawBomber.Reset();
+
+	// we saw the bomber, update our state
+	SetBombState( MOVING );
+}
+
+//--------------------------------------------------------------------------------------------------------------
+float CSGameState::TimeSinceLastSawBomber( void ) const
+{
+	return m_lastSawBomber.GetElapsedTime();
+}
+
+//--------------------------------------------------------------------------------------------------------------
+bool CSGameState::IsPlantedBombLocationKnown( void ) const
+{
+	if (m_bombState != PLANTED)
+		return false;
+
+	return m_isPlantedBombPosKnown;
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Return the zone index of the planted bombsite, or UNKNOWN
+ */
+int CSGameState::GetPlantedBombsite( void ) const
+{
+	if (m_bombState != PLANTED)
+		return UNKNOWN;
+
+	return m_plantedBombsite;
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Return true if we are currently in the bombsite where the bomb is planted
+ */
+bool CSGameState::IsAtPlantedBombsite( void ) const
+{
+	if (m_bombState != PLANTED)
+		return false;
+
+	Vector myOrigin = GetCentroid( m_owner );
+	const CCSBotManager::Zone *zone = TheCSBots()->GetClosestZone( myOrigin );
+
+	if (zone)
+	{
+		return (m_plantedBombsite == zone->m_index);
+	}
+
+	return false;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Return the zone index of the next bombsite to search
+ */
+int CSGameState::GetNextBombsiteToSearch( void )
+{
+	if (m_bombsiteCount <= 0)
+		return 0;
+
+	int i;
+
+	// return next non-cleared bombsite index
+	for( i=m_bombsiteSearchIndex; i<m_bombsiteCount; ++i )
+	{
+		int z = m_bombsiteSearchOrder[i];
+		if (!m_isBombsiteClear[z])
+		{
+			m_bombsiteSearchIndex = i;
+			return z;
+		}
+	}
+
+	// all the bombsites are clear, someone must have been mistaken - start search over
+	for( i=0; i<m_bombsiteCount; ++i )
+		m_isBombsiteClear[i] = false;
+	m_bombsiteSearchIndex = 0;
+
+	return GetNextBombsiteToSearch();
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Returns position of bomb in its various states (moving, loose, planted),
+ * or NULL if we don't know where the bomb is
+ */
+const Vector *CSGameState::GetBombPosition( void ) const
+{
+	switch( m_bombState )
+	{
+		case MOVING:
+		{
+			if (!m_lastSawBomber.HasStarted())
+				return NULL;
+
+			return &m_bomberPos;
+		}
+
+		case LOOSE:
+		{
+			if (IsLooseBombLocationKnown())
+				return &m_looseBombPos;
+
+			return NULL;
+		}
+
+		case PLANTED:
+		{
+			if (IsPlantedBombLocationKnown())
+				return &m_plantedBombPos;
+
+			return NULL;
+		}
+	}
+
+	return NULL;
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * We see the planted bomb at 'pos'
+ */
+void CSGameState::UpdatePlantedBomb( const Vector &pos )
+{
+	const CCSBotManager::Zone *zone = TheCSBots()->GetClosestZone( pos );
+
+	if (zone == NULL)
+	{
+		CONSOLE_ECHO( "ERROR: Bomb planted outside of a zone!\n" );
+		m_plantedBombsite = UNKNOWN;
+	}
+	else
+	{
+		m_plantedBombsite = zone->m_index;
+	}
+
+	m_plantedBombPos = pos;
+	m_isPlantedBombPosKnown = true;
+	SetBombState( PLANTED );
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Someone told us where the bomb is planted
+ */
+void CSGameState::MarkBombsiteAsPlanted( int zoneIndex )
+{
+	m_plantedBombsite = zoneIndex;
+	SetBombState( PLANTED );
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Someone told us a bombsite is clear
+ */
+void CSGameState::ClearBombsite( int zoneIndex )
+{
+	if (zoneIndex >= 0 && zoneIndex < m_bombsiteCount)
+		m_isBombsiteClear[ zoneIndex ] = true;	
+}
+
+//--------------------------------------------------------------------------------------------------------------
+bool CSGameState::IsBombsiteClear( int zoneIndex ) const
+{
+	if (zoneIndex >= 0 && zoneIndex < m_bombsiteCount)
+		return m_isBombsiteClear[ zoneIndex ];
+
+	return false;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Initialize our knowledge of the number and location of hostages
+ */
+void CSGameState::InitializeHostageInfo( void )
+{
+	m_hostageCount = 0;
+	m_allHostagesRescued = false;
+	m_haveSomeHostagesBeenTaken = false;
+
+	for( int i=0; i<g_Hostages.Count(); ++i )
+	{
+		m_hostage[ m_hostageCount ].hostage = g_Hostages[i];
+		m_hostage[ m_hostageCount ].knownPos = g_Hostages[i]->GetAbsOrigin();
+		m_hostage[ m_hostageCount ].isValid = true;
+		m_hostage[ m_hostageCount ].isAlive = true;
+		m_hostage[ m_hostageCount ].isFree = true;
+		++m_hostageCount;
+	}
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Return the closest free and live hostage
+ * If we are a CT this information is perfect. 
+ * Otherwise, this is based on our individual memory of the game state.
+ * If NULL is returned, we don't think there are any hostages left, or we dont know where they are.
+ * NOTE: a T can remember a hostage who has died.  knowPos will be filled in, but NULL will be
+ *       returned, since CHostages get deleted when they die.
+ */
+CHostage *CSGameState::GetNearestFreeHostage( Vector *knowPos ) const
+{
+	if (m_owner == NULL)
+		return NULL;
+
+	CNavArea *startArea = m_owner->GetLastKnownArea();
+	if (startArea == NULL)
+		return NULL;
+
+	CHostage *close = NULL;
+	Vector closePos( 0, 0, 0 );
+	float closeDistance = 9999999999.9f;
+
+	for( int i=0; i<m_hostageCount; ++i )
+	{
+		CHostage *hostage = m_hostage[i].hostage;
+		Vector hostagePos;
+
+		if (m_owner->GetTeamNumber() == TEAM_CT)
+		{
+			// we know exactly where the hostages are, and if they are alive
+			if (!m_hostage[i].hostage || !m_hostage[i].hostage->IsValid())
+				continue;
+
+			if (m_hostage[i].hostage->IsFollowingSomeone())
+				continue;
+
+			hostagePos = m_hostage[i].hostage->GetAbsOrigin();
+		}
+		else
+		{
+			// use our memory of where we think the hostages are
+			if (m_hostage[i].isValid == false)
+				continue;
+
+			hostagePos = m_hostage[i].knownPos;
+		}
+
+		CNavArea *hostageArea = TheNavMesh->GetNearestNavArea( hostagePos );
+		if (hostageArea)
+		{
+			ShortestPathCost cost;
+			float travelDistance = NavAreaTravelDistance( startArea, hostageArea, cost );
+
+			if (travelDistance >= 0.0f && travelDistance < closeDistance)
+			{
+				closeDistance = travelDistance;
+				closePos = hostagePos; 
+				close = hostage;
+			}
+		}
+	}
+
+	// return where we think the hostage is
+	if (knowPos && close)
+		*knowPos = closePos;
+
+	return close;
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Return the location of a "free" hostage, or NULL if we dont know of any
+ */
+const Vector *CSGameState::GetRandomFreeHostagePosition( void ) const
+{
+	if (m_owner == NULL)
+		return NULL;
+
+	static Vector freePos[ MAX_HOSTAGES ];
+	int freeCount = 0;
+	
+	for( int i=0; i<m_hostageCount; ++i )
+	{
+		const HostageInfo *info = &m_hostage[i];
+
+		if (m_owner->GetTeamNumber() == TEAM_CT)
+		{
+			// we know exactly where the hostages are, and if they are alive
+			if (!info->hostage || !info->hostage->IsAlive())
+				continue;
+
+			// escorted hostages are not "free"
+			if (info->hostage->IsFollowingSomeone())
+				continue;
+
+			freePos[ freeCount++ ] = info->hostage->GetAbsOrigin();
+		}
+		else
+		{
+			// use our memory of where we think the hostages are
+			if (info->isValid == false)
+				continue;
+
+			freePos[ freeCount++ ] = info->knownPos;
+		}
+	}
+
+	if (freeCount)
+	{
+		return &freePos[ RandomInt( 0, freeCount-1 ) ];
+	}
+
+	return NULL;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * If we can see any of the positions where we think a hostage is, validate it
+ * Return status of any changes (a hostage died or was moved)
+ */
+unsigned char CSGameState::ValidateHostagePositions( void )
+{
+	// limit how often we validate
+	if (!m_validateInterval.IsElapsed())
+		return NO_CHANGE;
+
+	const float validateInterval = 0.5f;
+	m_validateInterval.Start( validateInterval );
+
+
+	// check the status of hostages
+	unsigned char status = NO_CHANGE;
+
+	int i;
+	int startValidCount = 0;
+	for( i=0; i<m_hostageCount; ++i )
+		if (m_hostage[i].isValid)
+			++startValidCount;
+
+	for( i=0; i<m_hostageCount; ++i )
+	{
+		HostageInfo *info = &m_hostage[i];
+
+		if  (!info->hostage )
+			continue;
+
+		// if we can see a hostage, update our knowledge of it
+		Vector pos = info->hostage->GetAbsOrigin() + Vector( 0, 0, HalfHumanHeight );
+		if (m_owner->IsVisible( pos, CHECK_FOV ))
+		{
+			if (info->hostage->IsAlive())
+			{
+				// live hostage
+
+				// if hostage is being escorted by a CT, we don't "see" it, we see the CT
+				if (info->hostage->IsFollowingSomeone())
+				{
+					info->isValid = false;
+				}
+				else
+				{
+					info->knownPos = info->hostage->GetAbsOrigin();
+					info->isValid = true;
+				}
+			}
+			else
+			{
+				// dead hostage
+
+				// if we thought it was alive, this is news to us
+				if (info->isAlive)
+					status |= HOSTAGE_DIED;
+
+				info->isAlive = false;
+				info->isValid = false;
+			}
+
+			continue;
+		}
+
+		// if we dont know where this hostage is, nothing to validate
+		if (!info->isValid)
+			continue;
+
+		// can't directly see this hostage
+		// check line of sight to where we think this hostage is, to see if we noticed that is has moved
+		pos = info->knownPos + Vector( 0, 0, HalfHumanHeight );
+		if (m_owner->IsVisible( pos, CHECK_FOV ))
+		{
+			// we can see where we thought the hostage was - verify it is still there and alive
+
+			if (!info->hostage->IsValid())
+			{
+				// since we have line of sight to an invalid hostage, it must be dead
+				// discovered that hostage has been killed
+				status |= HOSTAGE_DIED;
+				info->isAlive = false;
+				info->isValid = false;
+				continue;
+			}
+
+			if (info->hostage->IsFollowingSomeone())
+			{
+				// discovered the hostage has been taken
+				status |= HOSTAGE_GONE;
+				info->isValid = false;
+				continue;
+			}
+
+			const float tolerance = 50.0f;
+			if ((info->hostage->GetAbsOrigin() - info->knownPos).IsLengthGreaterThan( tolerance ))
+			{
+				// discovered that hostage has been moved
+				status |= HOSTAGE_GONE;
+				info->isValid = false;
+				continue;
+			}
+		}
+	}
+
+	int endValidCount = 0;
+	for( i=0; i<m_hostageCount; ++i )
+		if (m_hostage[i].isValid)
+			++endValidCount;
+
+	if (endValidCount == 0 && startValidCount > 0)
+	{
+		// we discovered all the hostages are gone
+		status &= ~HOSTAGE_GONE;
+		status |= HOSTAGES_ALL_GONE;
+	}
+
+	return status;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Return the nearest visible free hostage
+ * Since we can actually see any hostage we return, we know its actual position
+ */
+CHostage *CSGameState::GetNearestVisibleFreeHostage( void ) const
+{
+	CHostage *close = NULL;
+	float closeRangeSq = 999999999.9f;
+	float rangeSq;
+
+	Vector pos;
+	Vector myOrigin = GetCentroid( m_owner );
+
+	for( int i=0; i<m_hostageCount; ++i )
+	{
+		const HostageInfo *info = &m_hostage[i];
+
+		if ( !info->hostage )
+			continue;
+
+		// if the hostage is dead or rescued, its not free
+		if (!info->hostage->IsAlive())
+			continue;
+
+		// if this hostage is following someone, its not free
+		if (info->hostage->IsFollowingSomeone())
+			continue;
+
+		/// @todo Use travel distance here
+		pos = info->hostage->GetAbsOrigin();
+		rangeSq = (pos - myOrigin).LengthSqr();
+
+		if (rangeSq < closeRangeSq)
+		{
+			if (!m_owner->IsVisible( pos ))
+				continue;
+
+			close = info->hostage;
+			closeRangeSq = rangeSq;
+		}
+	}
+
+	return close;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Return true if there are no free hostages
+ */
+bool CSGameState::AreAllHostagesBeingRescued( void ) const
+{
+	// if the hostages have all been rescued, they are not being rescued any longer
+	if (m_allHostagesRescued)
+		return false;
+
+	bool isAllDead = true;
+
+	for( int i=0; i<m_hostageCount; ++i )
+	{
+		const HostageInfo *info = &m_hostage[i];
+
+		if (m_owner->GetTeamNumber() == TEAM_CT)
+		{
+			// CT's have perfect knowledge via their radar
+			if (info->hostage && info->hostage->IsValid())
+			{
+				if (!info->hostage->IsFollowingSomeone())
+					return false;
+
+				isAllDead = false;
+			}
+		}
+		else
+		{
+			if (info->isValid && info->isAlive)
+				return false;
+
+			if (info->isAlive)
+				isAllDead = false;
+		}
+	}	
+
+	// if all of the remaining hostages are dead, they arent being rescued
+	if (isAllDead)
+		return false;
+
+	return true;
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * All hostages have been rescued or are dead
+ */
+bool CSGameState::AreAllHostagesGone( void ) const
+{
+	if (m_allHostagesRescued)
+		return true;
+
+	// do we know that all the hostages are dead
+	for( int i=0; i<m_hostageCount; ++i )
+	{
+		const HostageInfo *info = &m_hostage[i];
+
+		if (m_owner->GetTeamNumber() == TEAM_CT)
+		{
+			// CT's have perfect knowledge via their radar
+			if (info->hostage && info->hostage->IsAlive())
+				return false;
+		}
+		else
+		{
+			if (info->isValid && info->isAlive)
+				return false;
+		}
+	}	
+
+	return true;
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Someone told us all the hostages are gone
+ */
+void CSGameState::AllHostagesGone( void )
+{
+	for( int i=0; i<m_hostageCount; ++i )
+		m_hostage[i].isValid = false;
+}
+

game/server/cstrike/bot/cs_gamestate.h

@@ -0,0 +1,151 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#ifndef _GAME_STATE_H_
+#define _GAME_STATE_H_
+
+
+#include "bot_util.h"
+
+
+class CHostage;
+class CCSBot;
+
+/**
+ * This class represents the game state as known by a particular bot
+ */
+class CSGameState
+{
+public:
+	CSGameState( CCSBot *owner );
+
+	void Reset( void );
+
+	// Event handling
+	void OnHostageRescuedAll( IGameEvent *event );
+	void OnRoundEnd( IGameEvent *event );
+	void OnRoundStart( IGameEvent *event );
+	void OnBombPlanted( IGameEvent *event );
+	void OnBombDefused( IGameEvent *event );
+	void OnBombExploded( IGameEvent *event );
+
+	bool IsRoundOver( void ) const;								///< true if round has been won or lost (but not yet reset)
+
+	// bomb defuse scenario -----------------------------------------------------------------------------
+
+	enum BombState
+	{
+		MOVING,					///< being carried by a Terrorist
+		LOOSE,					///< loose on the ground somewhere
+		PLANTED,				///< planted and ticking
+		DEFUSED,				///< the bomb has been defused
+		EXPLODED				///< the bomb has exploded
+	};
+
+	bool IsBombMoving( void ) const						{ return (m_bombState == MOVING); }
+	bool IsBombLoose( void ) const						{ return (m_bombState == LOOSE); }
+	bool IsBombPlanted( void ) const					{ return (m_bombState == PLANTED); }
+	bool IsBombDefused( void ) const					{ return (m_bombState == DEFUSED); }
+	bool IsBombExploded( void ) const					{ return (m_bombState == EXPLODED); }
+
+	void UpdateLooseBomb( const Vector &pos );					///< we see the loose bomb
+	float TimeSinceLastSawLooseBomb( void ) const;				///< how long has is been since we saw the loose bomb
+	bool IsLooseBombLocationKnown( void ) const;				///< do we know where the loose bomb is
+
+	void UpdateBomber( const Vector &pos );						///< we see the bomber
+	float TimeSinceLastSawBomber( void ) const;					///< how long has is been since we saw the bomber
+
+	void UpdatePlantedBomb( const Vector &pos );				///< we see the planted bomb
+	bool IsPlantedBombLocationKnown( void ) const;				///< do we know where the bomb was planted
+	void MarkBombsiteAsPlanted( int zoneIndex );				///< mark bombsite as the location of the planted bomb
+
+	enum { UNKNOWN = -1 };
+	int GetPlantedBombsite( void ) const;						///< return the zone index of the planted bombsite, or UNKNOWN
+	bool IsAtPlantedBombsite( void ) const;						///< return true if we are currently in the bombsite where the bomb is planted
+
+	int GetNextBombsiteToSearch( void );						///< return the zone index of the next bombsite to search
+	bool IsBombsiteClear( int zoneIndex ) const;				///< return true if given bombsite has been cleared
+	void ClearBombsite( int zoneIndex );						///< mark bombsite as clear
+
+	const Vector *GetBombPosition( void ) const;				///< return where we think the bomb is, or NULL if we don't know
+	
+	// hostage rescue scenario ------------------------------------------------------------------------
+	CHostage *GetNearestFreeHostage( Vector *knowPos = NULL ) const;	///< return the closest free hostage, and where we think it is (knowPos)
+	const Vector *GetRandomFreeHostagePosition( void ) const;
+	bool AreAllHostagesBeingRescued( void ) const;				///< return true if there are no free hostages
+	bool AreAllHostagesGone( void ) const;						///< all hostages have been rescued or are dead
+	void AllHostagesGone( void );								///< someone told us all the hostages are gone
+	bool HaveSomeHostagesBeenTaken( void ) const				///< return true if one or more hostages have been moved by the CT's
+	{
+		return m_haveSomeHostagesBeenTaken;
+	}
+	void HostageWasTaken( void )								///< someone told us a CT is talking to a hostage
+	{
+		m_haveSomeHostagesBeenTaken = true;
+	}
+
+	CHostage *GetNearestVisibleFreeHostage( void ) const;
+
+	enum ValidateStatusType
+	{ 
+		NO_CHANGE = 0x00,
+		HOSTAGE_DIED = 0x01,
+		HOSTAGE_GONE = 0x02,
+		HOSTAGES_ALL_GONE = 0x04
+	};
+	unsigned char ValidateHostagePositions( void );				///< update our knowledge with what we currently see - returns bitflag events
+
+private:
+	CCSBot *m_owner;											///< who owns this gamestate
+
+	bool m_isRoundOver;											///< true if round is over, but no yet reset
+
+	// bomb defuse scenario ---------------------------------------------------------------------------
+	void SetBombState( BombState state );
+	BombState GetBombState( void ) const			{ return m_bombState; }
+
+	BombState m_bombState;										///< what we think the bomb is doing
+
+	IntervalTimer m_lastSawBomber;
+	Vector m_bomberPos;
+
+	IntervalTimer m_lastSawLooseBomb;
+	Vector m_looseBombPos;
+
+	bool m_isBombsiteClear[ CCSBotManager::MAX_ZONES ];			///< corresponds to zone indices in CCSBotManager
+	int m_bombsiteSearchOrder[ CCSBotManager::MAX_ZONES ];		///< randomized order of bombsites to search
+	int m_bombsiteCount;
+	int m_bombsiteSearchIndex;									///< the next step in the search
+
+	int m_plantedBombsite;										///< zone index of the bombsite where the planted bomb is
+	
+	bool m_isPlantedBombPosKnown;								///< if true, we know the exact location of the bomb
+	Vector m_plantedBombPos;
+
+	// hostage rescue scenario ------------------------------------------------------------------------
+	struct HostageInfo
+	{
+		CHandle<CHostage> hostage;
+		Vector knownPos;
+		bool isValid;
+		bool isAlive;
+		bool isFree;		///< not being escorted by a CT
+	}
+	m_hostage[ MAX_HOSTAGES ];
+	int m_hostageCount;											///< number of hostages left in map
+	CountdownTimer m_validateInterval;
+
+	CBaseEntity *GetNearestHostage( void ) const;				///< return the closest live hostage
+	void InitializeHostageInfo( void );							///< initialize our knowledge of the number and location of hostages
+
+	bool m_allHostagesRescued;
+	bool m_haveSomeHostagesBeenTaken;							///< true if a hostage has been moved by a CT (and we've seen it)
+};
+
+#endif // _GAME_STATE_

game/server/cstrike/bot/states/cs_bot_attack.cpp

@@ -0,0 +1,710 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#include "cbase.h"
+#include "cs_bot.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Begin attacking
+ */
+void AttackState::OnEnter( CCSBot *me )
+{
+	CBasePlayer *enemy = me->GetBotEnemy();
+
+	// store our posture when the attack began
+	me->PushPostureContext();
+
+	me->DestroyPath();
+
+	// if we are using a knife, try to sneak up on the enemy
+	if (enemy && me->IsUsingKnife() && !me->IsPlayerFacingMe( enemy ))
+		me->Walk();
+	else
+		me->Run();
+
+	me->GetOffLadder();
+	me->ResetStuckMonitor();
+
+	m_repathTimer.Invalidate();
+	m_haveSeenEnemy = me->IsEnemyVisible();
+	m_nextDodgeStateTimestamp = 0.0f;
+	m_firstDodge = true;
+	m_isEnemyHidden = false;
+	m_reacquireTimestamp = 0.0f;
+
+	m_pinnedDownTimestamp = gpGlobals->curtime + RandomFloat( 7.0f, 10.0f );
+
+	m_shieldToggleTimestamp = gpGlobals->curtime + RandomFloat( 2.0f, 10.0f );
+	m_shieldForceOpen = false;
+
+	// if we encountered someone while escaping, grab our weapon and fight!
+	if (me->IsEscapingFromBomb())
+		me->EquipBestWeapon();
+
+	if (me->IsUsingKnife())
+	{
+		// can't crouch and hold with a knife
+		m_crouchAndHold = false;
+		me->StandUp();
+	}
+	else if (me->CanSeeSniper() && !me->IsSniper())
+	{
+		// don't sit still if we see a sniper!
+		m_crouchAndHold = false;
+		me->StandUp();
+	}
+	else
+	{
+		// decide whether to crouch where we are, or run and gun (if we havent already - see CCSBot::Attack())
+		if (!m_crouchAndHold)
+		{
+			if (enemy)
+			{
+				const float crouchFarRange = 750.0f;
+				float crouchChance;
+				
+				// more likely to crouch if using sniper rifle or if enemy is far away
+				if (me->IsUsingSniperRifle())
+					crouchChance = 50.0f;
+				else if ((GetCentroid( me ) - GetCentroid( enemy )).IsLengthGreaterThan( crouchFarRange ))
+					crouchChance = 50.0f;
+				else
+					crouchChance = 20.0f * (1.0f - me->GetProfile()->GetAggression());
+
+				if (RandomFloat( 0.0f, 100.0f ) < crouchChance)
+				{
+					// make sure we can still see if we crouch
+					trace_t result;
+
+					Vector origin = GetCentroid( me );
+					if (!me->IsCrouching())
+					{
+						// we are standing, adjust for lower crouch origin
+						origin.z -= 20.0f;
+					}
+
+					UTIL_TraceLine( origin, enemy->EyePosition(), MASK_PLAYERSOLID, me, COLLISION_GROUP_NONE, &result );
+
+					if (result.fraction == 1.0f)
+					{
+						m_crouchAndHold = true;
+					}
+				}
+			}
+		}
+
+		if (m_crouchAndHold)
+		{
+			me->Crouch();
+			me->PrintIfWatched( "Crouch and hold attack!\n" ); 
+		}
+	}
+
+	m_scopeTimestamp = 0;
+	m_didAmbushCheck = false;
+
+	float skill = me->GetProfile()->GetSkill();
+
+	// tendency to dodge is proportional to skill
+	float dodgeChance = 80.0f * skill;
+
+	// high skill bots always dodge if outnumbered, or they see a sniper
+	if (skill > 0.5f && (me->IsOutnumbered() || me->CanSeeSniper()))
+	{
+		dodgeChance = 100.0f;
+	}
+
+	m_shouldDodge = (RandomFloat( 0, 100 ) <= dodgeChance);
+
+
+	// decide whether we might bail out of this fight
+	m_isCoward = (RandomFloat( 0, 100 ) > 100.0f * me->GetProfile()->GetAggression());
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * When we are done attacking, this is invoked
+ */
+void AttackState::StopAttacking( CCSBot *me )
+{
+	if (me->GetTask() == CCSBot::SNIPING)
+	{
+		// stay in our hiding spot
+		me->Hide( me->GetLastKnownArea(), -1.0f, 50.0f );
+	}
+	else
+	{
+		me->StopAttacking();
+	}
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Do dodge behavior
+ */
+void AttackState::Dodge( CCSBot *me )
+{
+	//
+	// Dodge.
+	// If sniping or crouching, stand still.
+	//
+	if (m_shouldDodge && !me->IsUsingSniperRifle() && !m_crouchAndHold)
+	{
+		CBasePlayer *enemy = me->GetBotEnemy();
+		if (enemy == NULL)
+		{
+			return;
+		}
+
+		Vector toEnemy = enemy->GetAbsOrigin() - me->GetAbsOrigin();
+		float range = toEnemy.Length();
+
+		const float hysterisRange = 125.0f;		// (+/-) m_combatRange
+
+		float minRange = me->GetCombatRange() - hysterisRange;
+		float maxRange = me->GetCombatRange() + hysterisRange;
+
+		if (me->IsUsingKnife())
+		{
+			// dodge when far away if armed only with a knife
+			maxRange = 999999.9f;
+		}
+
+		// move towards (or away from) enemy if we are using a knife, behind a corner, or we aren't very skilled
+		if (me->GetProfile()->GetSkill() < 0.66f || !me->IsEnemyVisible())
+		{
+			if (range > maxRange)
+				me->MoveForward();
+			else if (range < minRange)
+				me->MoveBackward();
+		}
+
+		// don't dodge if enemy is facing away
+		const float dodgeRange = 2000.0f;
+		if (!me->CanSeeSniper() && (range > dodgeRange || !me->IsPlayerFacingMe( enemy )))
+		{
+			m_dodgeState = STEADY_ON;
+			m_nextDodgeStateTimestamp = 0.0f;
+		}
+		else if (gpGlobals->curtime >= m_nextDodgeStateTimestamp)
+		{
+			int next;
+
+			// high-skill bots keep moving and don't jump if they see a sniper
+			if (me->GetProfile()->GetSkill() > 0.5f && me->CanSeeSniper())
+			{
+				// juke back and forth
+				if (m_firstDodge)
+				{
+					next = (RandomInt( 0, 100 ) < 50) ? SLIDE_RIGHT : SLIDE_LEFT;
+				}
+				else
+				{
+					next = (m_dodgeState == SLIDE_LEFT) ? SLIDE_RIGHT : SLIDE_LEFT;
+				}
+			}
+			else
+			{
+				// select next dodge state that is different that our current one
+				do
+				{
+					// low-skill bots may jump when first engaging the enemy (if they are moving)
+					const float jumpChance = 33.3f;
+					if (m_firstDodge && me->GetProfile()->GetSkill() < 0.5f && RandomFloat( 0, 100 ) < jumpChance && !me->IsNotMoving())
+						next = RandomInt( 0, NUM_ATTACK_STATES-1 );
+					else
+						next = RandomInt( 0, NUM_ATTACK_STATES-2 );
+				}
+				while( !m_firstDodge && next == m_dodgeState );
+			}
+
+			m_dodgeState = (DodgeStateType)next;
+			m_nextDodgeStateTimestamp = gpGlobals->curtime + RandomFloat( 0.3f, 1.0f );
+			m_firstDodge = false;
+		}
+
+
+		Vector forward, right;
+		me->EyeVectors( &forward, &right );
+
+		const float lookAheadRange = 30.0f;
+		float ground;
+
+		switch( m_dodgeState )
+		{
+			case STEADY_ON:
+			{
+				break;
+			}
+
+			case SLIDE_LEFT:
+			{
+				// don't move left if we will fall
+				Vector pos = me->GetAbsOrigin() - (lookAheadRange * right);
+
+				if (me->GetSimpleGroundHeightWithFloor( pos, &ground ))
+				{
+					if (me->GetAbsOrigin().z - ground < StepHeight)
+					{
+						me->StrafeLeft();
+					}
+				}
+				break;
+			}
+
+			case SLIDE_RIGHT:
+			{
+				// don't move left if we will fall
+				Vector pos = me->GetAbsOrigin() + (lookAheadRange * right);
+
+				if (me->GetSimpleGroundHeightWithFloor( pos, &ground ))
+				{
+					if (me->GetAbsOrigin().z - ground < StepHeight)
+					{
+						me->StrafeRight();
+					}
+				}
+				break;
+			}
+
+			case JUMP:
+			{
+				if (me->m_isEnemyVisible)
+				{
+					me->Jump();
+				}
+				break;
+			}
+		}
+	}
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Perform attack behavior
+ */
+void AttackState::OnUpdate( CCSBot *me )
+{
+	// can't be stuck while attacking
+	me->ResetStuckMonitor();
+
+	// if we somehow ended up with the C4 or a grenade in our hands, grab our weapon!
+	CWeaponCSBase *weapon = me->GetActiveCSWeapon();
+	if (weapon)
+	{
+		if (weapon->GetWeaponID() == WEAPON_C4 || 
+			weapon->GetWeaponID() == WEAPON_HEGRENADE || 
+			weapon->GetWeaponID() == WEAPON_FLASHBANG ||
+			weapon->GetWeaponID() == WEAPON_SMOKEGRENADE)
+		{
+			me->EquipBestWeapon();
+		}
+	}
+
+	CBasePlayer *enemy = me->GetBotEnemy();
+	if (enemy == NULL)
+	{
+		StopAttacking( me );
+		return;
+	}
+
+	Vector myOrigin = GetCentroid( me );
+	Vector enemyOrigin = GetCentroid( enemy );
+
+	// keep track of whether we have seen our enemy at least once yet
+	if (!m_haveSeenEnemy)
+		m_haveSeenEnemy = me->IsEnemyVisible();
+
+
+	//
+	// Retreat check
+	// Do not retreat if the enemy is too close
+	//
+	if (m_retreatTimer.IsElapsed())
+	{
+		// If we've been fighting this battle for awhile, we're "pinned down" and
+		// need to do something else.
+		// If we are outnumbered, retreat.
+		// If we see a sniper and we aren't a sniper, retreat.
+
+		bool isPinnedDown = (gpGlobals->curtime > m_pinnedDownTimestamp);
+
+		if (isPinnedDown || 
+			(me->CanSeeSniper() && !me->IsSniper()) ||
+			(me->IsOutnumbered() && m_isCoward) || 
+			(me->OutnumberedCount() >= 2 && me->GetProfile()->GetAggression() < 1.0f))
+		{
+			// only retreat if at least one of them is aiming at me
+			if (me->IsAnyVisibleEnemyLookingAtMe( CHECK_FOV ))
+			{
+				// tell our teammates our plight
+				if (isPinnedDown)
+					me->GetChatter()->PinnedDown();
+				else if (!me->CanSeeSniper())
+					me->GetChatter()->Scared();
+
+				m_retreatTimer.Start( RandomFloat( 3.0f, 15.0f ) );
+
+				// try to retreat
+				if (me->TryToRetreat())
+				{
+					// if we are a sniper, equip our pistol so we can fire while retreating
+					/*
+					if (me->IsUsingSniperRifle())
+					{
+						// wait a moment to allow one last shot
+						me->Wait( 0.5f );
+						//me->EquipPistol();
+					}
+					*/
+
+					// request backup if outnumbered
+					if (me->IsOutnumbered())
+					{
+						me->GetChatter()->NeedBackup();
+					}
+				}
+				else	
+				{
+					me->PrintIfWatched( "I want to retreat, but no safe spots nearby!\n" );
+				}
+			}
+		}
+	}
+
+	//
+	// Knife fighting
+	// We need to pathfind right to the enemy to cut him
+	//
+	if (me->IsUsingKnife())
+	{
+		// can't crouch and hold with a knife
+		m_crouchAndHold = false;
+		me->StandUp();
+
+		// if we are using a knife and our prey is looking towards us, run at him
+		if (me->IsPlayerFacingMe( enemy ))
+		{
+			me->ForceRun( 5.0f );
+			me->Hurry( 10.0f );
+		}
+
+		// slash our victim
+		me->FireWeaponAtEnemy();
+
+		// if toe to toe with our enemy, don't dodge, just slash
+		const float slashRange = 70.0f;
+		if ((enemy->GetAbsOrigin() - me->GetAbsOrigin()).IsLengthGreaterThan( slashRange ))
+		{
+			const float repathInterval = 0.5f;
+
+			// if our victim has moved, repath
+			bool repath = false;
+			if (me->HasPath())
+			{
+				const float repathRange = 100.0f;		// 50
+				if ((me->GetPathEndpoint() - enemy->GetAbsOrigin()).IsLengthGreaterThan( repathRange ))
+				{
+					repath = true;
+				}
+			}
+			else
+			{
+				repath = true;
+			}
+
+			if (repath && m_repathTimer.IsElapsed())
+			{
+				Vector enemyPos = enemy->GetAbsOrigin() + Vector( 0, 0, HalfHumanHeight );
+				me->ComputePath( enemyPos, FASTEST_ROUTE );
+				m_repathTimer.Start( repathInterval );
+			}
+
+			// move towards victim
+			if (me->UpdatePathMovement( NO_SPEED_CHANGE ) != CCSBot::PROGRESSING)
+			{
+				me->DestroyPath();
+			}
+		}
+
+		return;
+	}
+
+
+
+	//
+	// Simple shield usage
+	//
+	if (me->HasShield())
+	{
+		if (me->IsEnemyVisible() && !m_shieldForceOpen)
+		{
+			if (!me->IsRecognizedEnemyReloading() && !me->IsReloading() && me->IsPlayerLookingAtMe( enemy ))
+			{
+				// close up - enemy is pointing his gun at us
+				if (!me->IsProtectedByShield())
+					me->SecondaryAttack();
+			}
+			else
+			{
+				// enemy looking away or reloading his weapon - open up and shoot him
+				if (me->IsProtectedByShield())
+					me->SecondaryAttack();
+			}
+		}
+		else
+		{
+			// can't see enemy, open up
+			if (me->IsProtectedByShield())
+				me->SecondaryAttack();
+		}
+
+		if (gpGlobals->curtime > m_shieldToggleTimestamp)
+		{
+			m_shieldToggleTimestamp = gpGlobals->curtime + RandomFloat( 0.5, 2.0f );
+
+			// toggle shield force open
+			m_shieldForceOpen = !m_shieldForceOpen;
+		}
+	}
+
+
+	// check if our weapon range is bad and we should switch to pistol
+	if (me->IsUsingSniperRifle())
+	{
+		// if we have a sniper rifle and our enemy is too close, switch to pistol
+		const float sniperMinRange = 160.0f;	// NOTE: Must be larger than NO_ZOOM range in AdjustZoom()
+		if ((enemyOrigin - myOrigin).IsLengthLessThan( sniperMinRange ))
+			me->EquipPistol();
+	}
+	else if (me->IsUsingShotgun())
+	{
+		// if we have a shotgun equipped and enemy is too far away, switch to pistol
+		const float shotgunMaxRange = 600.0f;
+		if ((enemyOrigin - myOrigin).IsLengthGreaterThan( shotgunMaxRange ))
+			me->EquipPistol();
+	}
+
+	// if we're sniping, look through the scope - need to do this here in case a reload resets our scope
+	if (me->IsUsingSniperRifle())
+	{
+		// for Scouts and AWPs, we need to wait for zoom to resume
+		if (me->m_bResumeZoom)
+		{
+			m_scopeTimestamp = gpGlobals->curtime;
+			return;
+		}
+
+		Vector toAimSpot3D = me->m_aimSpot - myOrigin;
+		float targetRange = toAimSpot3D.Length();
+
+		// dont adjust zoom level if we're already zoomed in - just fire
+		if (me->GetZoomLevel() == CCSBot::NO_ZOOM && me->AdjustZoom( targetRange ))
+			m_scopeTimestamp = gpGlobals->curtime;
+	
+		const float waitScopeTime = 0.3f + me->GetProfile()->GetReactionTime();
+		if (gpGlobals->curtime - m_scopeTimestamp < waitScopeTime)
+		{
+			// force us to wait until zoomed in before firing
+			return;
+		}
+	}
+
+	// see if we "notice" that our prey is dead
+	if (me->IsAwareOfEnemyDeath())
+	{
+		// let team know if we killed the last enemy
+		if (me->GetLastVictimID() == enemy->entindex() && me->GetNearbyEnemyCount() <= 1)
+		{
+			me->GetChatter()->KilledMyEnemy( enemy->entindex() );
+
+			// if there are other enemies left, wait a moment - they usually come in groups
+			if (me->GetEnemiesRemaining())
+			{
+				me->Wait( RandomFloat( 1.0f, 3.0f ) );
+			}
+		}
+
+		StopAttacking( me );
+		return;
+	}
+
+	float notSeenEnemyTime = gpGlobals->curtime - me->GetLastSawEnemyTimestamp();
+
+	// if we haven't seen our enemy for a moment, continue on if we dont want to fight, or decide to ambush if we do
+	if (!me->IsEnemyVisible())
+	{
+		// attend to nearby enemy gunfire
+		if (notSeenEnemyTime > 0.5f && me->CanHearNearbyEnemyGunfire())
+		{
+			// give up the attack, since we didn't want it in the first place
+			StopAttacking( me );
+
+			const Vector *pos = me->GetNoisePosition();
+			if (pos)
+			{
+				me->SetLookAt( "Nearby enemy gunfire", *pos, PRIORITY_HIGH, 0.0f );
+				me->PrintIfWatched( "Checking nearby threatening enemy gunfire!\n" );
+				return;
+			}
+		}
+
+		// check if we have lost track of our enemy during combat
+		if (notSeenEnemyTime > 0.25f)
+		{
+			m_isEnemyHidden = true;
+		}
+					
+
+		if (notSeenEnemyTime > 0.1f)
+		{
+			if (me->GetDisposition() == CCSBot::ENGAGE_AND_INVESTIGATE)
+			{
+				// decide whether we should hide and "ambush" our enemy
+				if (m_haveSeenEnemy && !m_didAmbushCheck)
+				{
+					float hideChance = 33.3f;
+
+					if (RandomFloat( 0.0, 100.0f ) < hideChance)
+					{
+						float ambushTime = RandomFloat( 3.0f, 15.0f );
+
+						// hide in ambush nearby
+						/// @todo look towards where we know enemy is
+						const Vector *spot = FindNearbyRetreatSpot( me, 200.0f );
+						if (spot)
+						{
+							me->IgnoreEnemies( 1.0f );
+
+							me->Run();
+							me->StandUp();
+							me->Hide( *spot, ambushTime, true );
+							return;
+						}
+					}
+
+					// don't check again
+					m_didAmbushCheck = true;
+				}
+			}
+			else
+			{
+				// give up the attack, since we didn't want it in the first place
+				StopAttacking( me );
+				return;
+			}
+		}
+	}
+	else
+	{
+		// we can see the enemy again - reset our ambush check
+		m_didAmbushCheck = false;
+
+		// if the enemy is coming out of hiding, we need time to react
+		if (m_isEnemyHidden)
+		{
+			m_reacquireTimestamp = gpGlobals->curtime + me->GetProfile()->GetReactionTime();
+			m_isEnemyHidden = false;
+		}
+	}
+
+
+	// if we haven't seen our enemy for a long time, chase after them
+	float chaseTime = 2.0f + 2.0f * (1.0f - me->GetProfile()->GetAggression());
+
+	// if we are sniping, be very patient
+	if (me->IsUsingSniperRifle())
+		chaseTime += 3.0f;
+	else if (me->IsCrouching())	// if we are crouching, be a little patient
+		chaseTime += 1.0f;
+
+	// if we can't see the enemy, and have either seen him but currently lost sight of him, 
+	// or haven't yet seen him, chase after him (unless we are a sniper)
+	if (!me->IsEnemyVisible() && (notSeenEnemyTime > chaseTime || !m_haveSeenEnemy))
+	{
+		// snipers don't chase their prey - they wait for their prey to come to them
+		if (me->GetTask() == CCSBot::SNIPING)
+		{
+			StopAttacking( me );
+			return;
+		}
+		else
+		{
+			// move to last known position of enemy
+			me->SetTask( CCSBot::MOVE_TO_LAST_KNOWN_ENEMY_POSITION, enemy );
+			me->MoveTo( me->GetLastKnownEnemyPosition() );
+			return;
+		}
+	}
+
+
+	// if we can't see our enemy at the moment, and were shot by
+	// a different visible enemy, engage them instead
+	const float hurtRecentlyTime = 3.0f;
+	if (!me->IsEnemyVisible() &&
+		me->GetTimeSinceAttacked() < hurtRecentlyTime &&
+		me->GetAttacker() &&
+		me->GetAttacker() != me->GetBotEnemy())
+	{
+		// if we can see them, attack, otherwise panic
+		if (me->IsVisible( me->GetAttacker(), CHECK_FOV ))
+		{
+			me->Attack( me->GetAttacker() );
+			me->PrintIfWatched( "Switching targets to retaliate against new attacker!\n" );
+		}
+		/*
+		 * Rethink this
+		else
+		{
+			me->Panic( me->GetAttacker() );
+			me->PrintIfWatched( "Panicking from crossfire while attacking!\n" );
+		}
+		*/
+
+		return;
+	}
+
+	if (true || gpGlobals->curtime > m_reacquireTimestamp)
+		me->FireWeaponAtEnemy();
+
+
+	// do dodge behavior
+	Dodge( me );
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Finish attack
+ */
+void AttackState::OnExit( CCSBot *me )
+{
+	me->PrintIfWatched( "AttackState:OnExit()\n" );
+
+	m_crouchAndHold = false;
+
+	// clear any noises we heard during battle
+	me->ForgetNoise();
+	me->ResetStuckMonitor();
+
+	// resume our original posture
+	me->PopPostureContext();
+
+	// put shield away
+	if (me->IsProtectedByShield())
+		me->SecondaryAttack();
+
+
+	//me->StopAiming();
+}
+

game/server/cstrike/bot/states/cs_bot_buy.cpp

@@ -0,0 +1,690 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#include "cbase.h"
+#include "cs_gamerules.h"
+#include "cs_bot.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+
+//--------------------------------------------------------------------------------------------------------------
+ConVar bot_loadout( "bot_loadout", "", FCVAR_CHEAT, "bots are given these items at round start" );
+ConVar bot_randombuy( "bot_randombuy", "0", FCVAR_CHEAT, "should bots ignore their prefered weapons and just buy weapons at random?" );
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ *  Debug command to give a named weapon
+ */
+void CCSBot::GiveWeapon( const char *weaponAlias )
+{
+	const char *translatedAlias = GetTranslatedWeaponAlias( weaponAlias );
+
+	char wpnName[128];
+	Q_snprintf( wpnName, sizeof( wpnName ), "weapon_%s", translatedAlias );
+	WEAPON_FILE_INFO_HANDLE	hWpnInfo = LookupWeaponInfoSlot( wpnName );
+	if ( hWpnInfo == GetInvalidWeaponInfoHandle() )
+	{
+		return;
+	}
+
+	CCSWeaponInfo *pWeaponInfo = dynamic_cast< CCSWeaponInfo* >( GetFileWeaponInfoFromHandle( hWpnInfo ) );
+	if ( !pWeaponInfo )
+	{
+		return;
+	}
+
+	if ( !Weapon_OwnsThisType( wpnName ) )
+	{
+		CBaseCombatWeapon *pWeapon = Weapon_GetSlot( pWeaponInfo->iSlot );
+		if ( pWeapon )
+		{
+			if ( pWeaponInfo->iSlot == WEAPON_SLOT_PISTOL )
+			{
+				DropPistol();
+			}
+			else if ( pWeaponInfo->iSlot == WEAPON_SLOT_RIFLE )
+			{
+				DropRifle();
+			}
+		}
+	}
+
+	GiveNamedItem( wpnName );
+}
+
+//--------------------------------------------------------------------------------------------------------------
+static bool HasDefaultPistol( CCSBot *me )
+{
+	CWeaponCSBase *pistol = (CWeaponCSBase *)me->Weapon_GetSlot( WEAPON_SLOT_PISTOL );
+
+	if (pistol == NULL)
+		return false;
+
+	if (me->GetTeamNumber() == TEAM_TERRORIST && pistol->IsA( WEAPON_GLOCK ))
+		return true;
+
+	if (me->GetTeamNumber() == TEAM_CT && pistol->IsA( WEAPON_USP ))
+		return true;
+
+	return false;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Buy weapons, armor, etc.
+ */
+void BuyState::OnEnter( CCSBot *me )
+{
+	m_retries = 0;
+	m_prefRetries = 0;
+	m_prefIndex = 0;
+
+	const char *cheatWeaponString = bot_loadout.GetString();
+	if ( cheatWeaponString && *cheatWeaponString )
+	{
+		m_doneBuying = false; // we're going to be given weapons - ignore the eco limit
+	}
+	else
+	{
+		// check if we are saving money for the next round
+		if (me->m_iAccount < cv_bot_eco_limit.GetFloat())
+		{
+			me->PrintIfWatched( "Saving money for next round.\n" );
+			m_doneBuying = true;
+		}
+		else
+		{
+			m_doneBuying = false;
+		}
+	}
+
+	m_isInitialDelay = true;
+
+	// this will force us to stop holding live grenade
+	me->EquipBestWeapon( MUST_EQUIP );
+
+	m_buyDefuseKit = false;
+	m_buyShield = false;
+
+	if (me->GetTeamNumber() == TEAM_CT)
+	{
+		if (TheCSBots()->GetScenario() == CCSBotManager::SCENARIO_DEFUSE_BOMB)
+		{
+			// CT's sometimes buy defuse kits in the bomb scenario (except in career mode, where the player should defuse)
+			if (CSGameRules()->IsCareer() == false)
+			{
+				const float buyDefuseKitChance = 100.0f * (me->GetProfile()->GetSkill() + 0.2f);
+				if (RandomFloat( 0.0f, 100.0f ) < buyDefuseKitChance)
+				{
+					m_buyDefuseKit = true;
+				}
+			}
+		}
+
+		// determine if we want a tactical shield
+		if (!me->HasPrimaryWeapon() && TheCSBots()->AllowTacticalShield())
+		{
+			if (me->m_iAccount > 2500)
+			{
+				if (me->m_iAccount < 4000)
+					m_buyShield = (RandomFloat( 0, 100.0f ) < 33.3f) ? true : false;
+				else
+					m_buyShield = (RandomFloat( 0, 100.0f ) < 10.0f) ? true : false;
+			}
+		}
+	}
+
+	if (TheCSBots()->AllowGrenades())
+	{
+		m_buyGrenade = (RandomFloat( 0.0f, 100.0f ) < 33.3f) ? true : false;
+	}
+	else
+	{
+		m_buyGrenade = false;
+	}
+
+
+	m_buyPistol = false;
+	if (TheCSBots()->AllowPistols())
+	{
+		// check if we have a pistol
+		if (me->Weapon_GetSlot( WEAPON_SLOT_PISTOL ))
+		{
+			// if we have our default pistol, think about buying a different one
+			if (HasDefaultPistol( me ))
+			{
+				// if everything other than pistols is disallowed, buy a pistol
+				if (TheCSBots()->AllowShotguns() == false &&
+					TheCSBots()->AllowSubMachineGuns() == false &&
+					TheCSBots()->AllowRifles() == false &&
+					TheCSBots()->AllowMachineGuns() == false &&
+					TheCSBots()->AllowTacticalShield() == false &&
+					TheCSBots()->AllowSnipers() == false)
+				{
+					m_buyPistol = (RandomFloat( 0, 100 ) < 75.0f);
+				}
+				else if (me->m_iAccount < 1000)
+				{
+					// if we're low on cash, buy a pistol
+					m_buyPistol = (RandomFloat( 0, 100 ) < 75.0f);
+				}
+				else
+				{
+					m_buyPistol = (RandomFloat( 0, 100 ) < 33.3f);
+				}
+			}			
+		}
+		else
+		{
+			// we dont have a pistol - buy one
+			m_buyPistol = true;
+		}
+	}
+}
+
+
+enum WeaponType
+{
+	PISTOL,
+	SHOTGUN,
+	SUB_MACHINE_GUN,
+	RIFLE,
+	MACHINE_GUN,
+	SNIPER_RIFLE,
+	GRENADE,
+
+	NUM_WEAPON_TYPES
+};
+
+struct BuyInfo
+{
+	WeaponType type;
+	bool preferred;			///< more challenging bots prefer these weapons
+	const char *buyAlias;			///< the buy alias for this equipment
+};
+
+#define PRIMARY_WEAPON_BUY_COUNT 13
+#define SECONDARY_WEAPON_BUY_COUNT 3
+
+/**
+ * These tables MUST be kept in sync with the CT and T buy aliases
+ */
+
+static BuyInfo primaryWeaponBuyInfoCT[ PRIMARY_WEAPON_BUY_COUNT ] =
+{
+	{ SHOTGUN,			false, "m3" },			// WEAPON_M3
+	{ SHOTGUN,			false, "xm1014" },		// WEAPON_XM1014
+	{ SUB_MACHINE_GUN,	false, "tmp" },			// WEAPON_TMP
+	{ SUB_MACHINE_GUN,	false, "mp5navy" },			// WEAPON_MP5N
+	{ SUB_MACHINE_GUN,	false, "ump45" },		// WEAPON_UMP45
+	{ SUB_MACHINE_GUN,	false, "p90" },			// WEAPON_P90
+	{ RIFLE,			true,  "famas" },		// WEAPON_FAMAS
+	{ SNIPER_RIFLE,		false, "scout" },		// WEAPON_SCOUT
+	{ RIFLE,			true,  "m4a1" },		// WEAPON_M4A1
+	{ RIFLE,			false, "aug" },			// WEAPON_AUG
+	{ SNIPER_RIFLE,		true,  "sg550" },		// WEAPON_SG550
+	{ SNIPER_RIFLE,		true,  "awp" },			// WEAPON_AWP
+	{ MACHINE_GUN,		false, "m249" }			// WEAPON_M249
+};
+
+static BuyInfo secondaryWeaponBuyInfoCT[ SECONDARY_WEAPON_BUY_COUNT ] =
+{
+//	{ PISTOL,	false,	"glock" },
+//	{ PISTOL,	false,	"usp" },
+	{ PISTOL, true,		"p228" },
+	{ PISTOL, true,		"deagle" },
+	{ PISTOL, true,		"fn57" }
+};
+
+
+static BuyInfo primaryWeaponBuyInfoT[ PRIMARY_WEAPON_BUY_COUNT ] =
+{
+	{ SHOTGUN,			false, "m3" },			// WEAPON_M3
+	{ SHOTGUN,			false, "xm1014" },		// WEAPON_XM1014
+	{ SUB_MACHINE_GUN,	false, "mac10" },		// WEAPON_MAC10
+	{ SUB_MACHINE_GUN,	false, "mp5navy" },			// WEAPON_MP5N
+	{ SUB_MACHINE_GUN,	false, "ump45" },		// WEAPON_UMP45
+	{ SUB_MACHINE_GUN,	false, "p90" },			// WEAPON_P90
+	{ RIFLE,			true,  "galil" },		// WEAPON_GALIL
+	{ RIFLE,			true,  "ak47" },		// WEAPON_AK47
+	{ SNIPER_RIFLE,		false, "scout" },		// WEAPON_SCOUT
+	{ RIFLE,			true,  "sg552" },		// WEAPON_SG552
+	{ SNIPER_RIFLE,		true,  "awp" },			// WEAPON_AWP
+	{ SNIPER_RIFLE,		true,  "g3sg1" },		// WEAPON_G3SG1
+	{ MACHINE_GUN,		false, "m249" }			// WEAPON_M249
+};
+
+static BuyInfo secondaryWeaponBuyInfoT[ SECONDARY_WEAPON_BUY_COUNT ] =
+{
+//	{ PISTOL,	false,	"glock" },
+//	{ PISTOL,	false,	"usp" },
+	{ PISTOL, true,		"p228" },
+	{ PISTOL, true,		"deagle" },
+	{ PISTOL, true,		"elites" }
+};
+
+/**
+ * Given a weapon alias, return the kind of weapon it is
+ */
+inline WeaponType GetWeaponType( const char *alias )
+{
+	int i;
+	
+	for( i=0; i<PRIMARY_WEAPON_BUY_COUNT; ++i )
+	{
+		if (!stricmp( alias, primaryWeaponBuyInfoCT[i].buyAlias ))
+			return primaryWeaponBuyInfoCT[i].type;
+
+		if (!stricmp( alias, primaryWeaponBuyInfoT[i].buyAlias ))
+			return primaryWeaponBuyInfoT[i].type;
+	}
+
+	for( i=0; i<SECONDARY_WEAPON_BUY_COUNT; ++i )
+	{
+		if (!stricmp( alias, secondaryWeaponBuyInfoCT[i].buyAlias ))
+			return secondaryWeaponBuyInfoCT[i].type;
+
+		if (!stricmp( alias, secondaryWeaponBuyInfoT[i].buyAlias ))
+			return secondaryWeaponBuyInfoT[i].type;
+	}
+
+	return NUM_WEAPON_TYPES;
+}
+
+
+
+
+//--------------------------------------------------------------------------------------------------------------
+void BuyState::OnUpdate( CCSBot *me )
+{
+	char cmdBuffer[256];
+
+	// wait for a Navigation Mesh
+	if (!TheNavMesh->IsLoaded())
+		return;
+
+	// apparently we cant buy things in the first few seconds, so wait a bit
+	if (m_isInitialDelay)
+	{
+		const float waitToBuyTime = 0.25f;
+		if (gpGlobals->curtime - me->GetStateTimestamp() < waitToBuyTime)
+			return;
+
+		m_isInitialDelay = false;
+	}
+
+	// if we're done buying and still in the freeze period, wait
+	if (m_doneBuying)
+	{
+		if (CSGameRules()->IsMultiplayer() && CSGameRules()->IsFreezePeriod())
+		{
+			// make sure we're locked and loaded
+			me->EquipBestWeapon( MUST_EQUIP );
+			me->Reload();
+			me->ResetStuckMonitor();
+			return;
+		}
+
+		me->Idle();
+		return;
+	}
+
+	// If we're supposed to buy a specific weapon for debugging, do so and then bail
+	const char *cheatWeaponString = bot_loadout.GetString();
+	if ( cheatWeaponString && *cheatWeaponString )
+	{
+		CUtlVector<char*, CUtlMemory<char*> > loadout;
+		Q_SplitString( cheatWeaponString, " ", loadout );
+		for ( int i=0; i<loadout.Count(); ++i )
+		{
+			const char *item = loadout[i];
+			if ( FStrEq( item, "vest" ) )
+			{
+				me->GiveNamedItem( "item_kevlar" );
+			}
+			else if ( FStrEq( item, "vesthelm" ) )
+			{
+				me->GiveNamedItem( "item_assaultsuit" );
+			}
+			else if ( FStrEq( item, "defuser" ) )
+			{
+				if ( me->GetTeamNumber() == TEAM_CT )
+				{
+					me->GiveDefuser();
+				}
+			}
+			else if ( FStrEq( item, "nvgs" ) )
+			{
+				me->m_bHasNightVision = true;
+			}
+			else if ( FStrEq( item, "primammo" ) )
+			{
+				me->AttemptToBuyAmmo( 0 );
+			}
+			else if ( FStrEq( item, "secammo" ) )
+			{
+				me->AttemptToBuyAmmo( 1 );
+			}
+			else
+			{
+				me->GiveWeapon( item );
+			}
+		}
+		m_doneBuying = true;
+		return;
+	}
+
+
+	if (!me->IsInBuyZone())
+	{
+		m_doneBuying = true;
+		CONSOLE_ECHO( "%s bot spawned outside of a buy zone (%d, %d, %d)\n",
+						(me->GetTeamNumber() == TEAM_CT) ? "CT" : "Terrorist",
+						(int)me->GetAbsOrigin().x,
+						(int)me->GetAbsOrigin().y,
+						(int)me->GetAbsOrigin().z );
+		return;
+	}
+
+	// try to buy some weapons
+	const float buyInterval = 0.02f;
+	if (gpGlobals->curtime - me->GetStateTimestamp() > buyInterval)
+	{
+		me->m_stateTimestamp = gpGlobals->curtime;
+
+		bool isPreferredAllDisallowed = true;
+
+		// try to buy our preferred weapons first
+		if (m_prefIndex < me->GetProfile()->GetWeaponPreferenceCount() && bot_randombuy.GetBool() == false )
+		{
+			// need to retry because sometimes first buy fails??
+			const int maxPrefRetries = 2;
+			if (m_prefRetries >= maxPrefRetries)
+			{
+				// try to buy next preferred weapon
+				++m_prefIndex;
+				m_prefRetries = 0;
+				return;
+			}
+
+			int weaponPreference = me->GetProfile()->GetWeaponPreference( m_prefIndex );
+
+			// don't buy it again if we still have one from last round
+			char weaponPreferenceName[32];
+			Q_snprintf( weaponPreferenceName, sizeof(weaponPreferenceName), "weapon_%s", me->GetProfile()->GetWeaponPreferenceAsString( m_prefIndex ) );
+			if( me->Weapon_OwnsThisType(weaponPreferenceName) )//Prefs and buyalias use the short version, this uses the long
+			{
+				// done with buying preferred weapon
+				m_prefIndex = 9999;
+				return;
+			}
+
+			if (me->HasShield() && weaponPreference == WEAPON_SHIELDGUN)
+			{
+				// done with buying preferred weapon
+				m_prefIndex = 9999;
+				return;
+			}
+
+			const char *buyAlias = NULL;
+
+			if (weaponPreference == WEAPON_SHIELDGUN)
+			{
+				if (TheCSBots()->AllowTacticalShield())
+					buyAlias = "shield";
+			}
+			else
+			{
+				buyAlias = WeaponIDToAlias( weaponPreference );
+				WeaponType type = GetWeaponType( buyAlias );
+				switch( type )
+				{
+					case PISTOL:
+						if (!TheCSBots()->AllowPistols())
+							buyAlias = NULL;
+						break;
+
+					case SHOTGUN:
+						if (!TheCSBots()->AllowShotguns())
+							buyAlias = NULL;
+						break;
+
+					case SUB_MACHINE_GUN:
+						if (!TheCSBots()->AllowSubMachineGuns())
+							buyAlias = NULL;
+						break;
+
+					case RIFLE:
+						if (!TheCSBots()->AllowRifles())
+							buyAlias = NULL;
+						break;
+
+					case MACHINE_GUN:
+						if (!TheCSBots()->AllowMachineGuns())
+							buyAlias = NULL;
+						break;
+
+					case SNIPER_RIFLE:
+						if (!TheCSBots()->AllowSnipers())
+							buyAlias = NULL;
+						break;
+				}
+			}
+
+			if (buyAlias)
+			{
+				Q_snprintf( cmdBuffer, 256, "buy %s\n", buyAlias );
+
+				CCommand args;
+				args.Tokenize( cmdBuffer );
+				me->ClientCommand( args );
+
+				me->PrintIfWatched( "Tried to buy preferred weapon %s.\n", buyAlias );
+				isPreferredAllDisallowed = false;
+			}
+
+			++m_prefRetries;
+
+			// bail out so we dont waste money on other equipment
+			// unless everything we prefer has been disallowed, then buy at random
+			if (isPreferredAllDisallowed == false)
+				return;
+		}
+
+		// if we have no preferred primary weapon (or everything we want is disallowed), buy at random
+		if (!me->HasPrimaryWeapon() && (isPreferredAllDisallowed || !me->GetProfile()->HasPrimaryPreference()))
+		{
+			if (m_buyShield)
+			{
+				// buy a shield
+				CCommand args;
+				args.Tokenize( "buy shield" );
+				me->ClientCommand( args );
+
+				me->PrintIfWatched( "Tried to buy a shield.\n" );
+			}
+			else 
+			{
+				// build list of allowable weapons to buy
+				BuyInfo *masterPrimary = (me->GetTeamNumber() == TEAM_TERRORIST) ? primaryWeaponBuyInfoT : primaryWeaponBuyInfoCT;
+				BuyInfo *stockPrimary[ PRIMARY_WEAPON_BUY_COUNT ];
+				int stockPrimaryCount = 0;
+
+				// dont choose sniper rifles as often
+				const float sniperRifleChance = 50.0f;
+				bool wantSniper = (RandomFloat( 0, 100 ) < sniperRifleChance) ? true : false;
+
+				if ( bot_randombuy.GetBool() )
+				{
+					wantSniper = true;
+				}
+
+				for( int i=0; i<PRIMARY_WEAPON_BUY_COUNT; ++i )
+				{
+					if ((masterPrimary[i].type == SHOTGUN && TheCSBots()->AllowShotguns()) ||
+						(masterPrimary[i].type == SUB_MACHINE_GUN && TheCSBots()->AllowSubMachineGuns()) ||
+						(masterPrimary[i].type == RIFLE && TheCSBots()->AllowRifles()) ||
+						(masterPrimary[i].type == SNIPER_RIFLE && TheCSBots()->AllowSnipers() && wantSniper) ||
+						(masterPrimary[i].type == MACHINE_GUN && TheCSBots()->AllowMachineGuns()))
+					{
+						stockPrimary[ stockPrimaryCount++ ] = &masterPrimary[i];
+					}
+				}
+ 
+				if (stockPrimaryCount)
+				{
+					// buy primary weapon if we don't have one
+					int which;
+
+					// on hard difficulty levels, bots try to buy preferred weapons on the first pass
+					if (m_retries == 0 && TheCSBots()->GetDifficultyLevel() >= BOT_HARD && bot_randombuy.GetBool() == false )
+					{
+						// count up available preferred weapons
+						int prefCount = 0;
+						for( which=0; which<stockPrimaryCount; ++which )
+							if (stockPrimary[which]->preferred)
+								++prefCount;
+
+						if (prefCount)
+						{
+							int whichPref = RandomInt( 0, prefCount-1 );
+							for( which=0; which<stockPrimaryCount; ++which )
+								if (stockPrimary[which]->preferred && whichPref-- == 0)
+									break;
+						}
+						else
+						{
+							// no preferred weapons available, just pick randomly
+							which = RandomInt( 0, stockPrimaryCount-1 );
+						}
+					}
+					else
+					{
+						which = RandomInt( 0, stockPrimaryCount-1 );
+					}
+
+					Q_snprintf( cmdBuffer, 256, "buy %s\n", stockPrimary[ which ]->buyAlias );
+
+					CCommand args;
+					args.Tokenize( cmdBuffer );
+					me->ClientCommand( args );
+
+					me->PrintIfWatched( "Tried to buy %s.\n", stockPrimary[ which ]->buyAlias );
+				}
+			}
+		}
+
+
+		//
+		// If we now have a weapon, or have tried for too long, we're done
+		//
+		if (me->HasPrimaryWeapon() || m_retries++ > 5)
+		{
+			// primary ammo
+			CCommand args;
+			if (me->HasPrimaryWeapon())
+			{
+				args.Tokenize( "buy primammo" );
+				me->ClientCommand( args );
+			}
+
+			// buy armor last, to make sure we bought a weapon first
+			args.Tokenize( "buy vesthelm" );
+			me->ClientCommand( args );
+			args.Tokenize( "buy vest" );
+			me->ClientCommand( args );
+
+			// pistols - if we have no preferred pistol, buy at random
+			if (TheCSBots()->AllowPistols() && !me->GetProfile()->HasPistolPreference())
+			{
+				if (m_buyPistol)
+				{
+					int which = RandomInt( 0, SECONDARY_WEAPON_BUY_COUNT-1 );
+					
+					const char *what = NULL;
+
+					if (me->GetTeamNumber() == TEAM_TERRORIST)
+						what = secondaryWeaponBuyInfoT[ which ].buyAlias;
+					else
+						what = secondaryWeaponBuyInfoCT[ which ].buyAlias;
+
+					Q_snprintf( cmdBuffer, 256, "buy %s\n", what );
+					args.Tokenize( cmdBuffer );
+					me->ClientCommand( args );
+
+
+					// only buy one pistol
+					m_buyPistol = false;
+				}
+
+				// make sure we have enough pistol ammo
+				args.Tokenize( "buy secammo" );
+				me->ClientCommand( args );
+			}
+
+			// buy a grenade if we wish, and we don't already have one
+			if (m_buyGrenade && !me->HasGrenade())
+			{
+				if (UTIL_IsTeamAllBots( me->GetTeamNumber() ))
+				{
+					// only allow Flashbangs if everyone on the team is a bot (dont want to blind our friendly humans)
+					float rnd = RandomFloat( 0, 100 );
+
+					if (rnd < 10)
+					{
+						args.Tokenize( "buy smokegrenade" );
+						me->ClientCommand( args );	// smoke grenade
+					}
+					else if (rnd < 35)
+					{
+						args.Tokenize( "buy flashbang" );
+						me->ClientCommand( args );	// flashbang
+					}
+					else
+					{
+						args.Tokenize( "buy hegrenade" );
+						me->ClientCommand( args );	// he grenade
+					}
+				}
+				else
+				{
+					if (RandomFloat( 0, 100 ) < 10)
+					{
+						args.Tokenize( "buy smokegrenade" );	// smoke grenade
+						me->ClientCommand( args );
+					}
+					else
+					{
+						args.Tokenize( "buy hegrenade" );	// he grenade
+						me->ClientCommand( args );
+					}
+				}
+			}
+
+			if (m_buyDefuseKit)
+			{
+				args.Tokenize( "buy defuser" );
+				me->ClientCommand( args );
+			}
+
+			m_doneBuying = true;
+		}
+	}
+}
+
+//--------------------------------------------------------------------------------------------------------------
+void BuyState::OnExit( CCSBot *me )
+{
+	me->ResetStuckMonitor();
+	me->EquipBestWeapon();
+}
+

game/server/cstrike/bot/states/cs_bot_defuse_bomb.cpp

@@ -0,0 +1,82 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#include "cbase.h"
+#include "cs_bot.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Begin defusing the bomb
+ */
+void DefuseBombState::OnEnter( CCSBot *me )
+{
+	me->Crouch();
+	me->SetDisposition( CCSBot::SELF_DEFENSE );
+	me->GetChatter()->Say( "DefusingBomb" );
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Defuse the bomb
+ */
+void DefuseBombState::OnUpdate( CCSBot *me )
+{
+	const Vector *bombPos = me->GetGameState()->GetBombPosition();
+
+	if (bombPos == NULL)
+	{
+		me->PrintIfWatched( "In Defuse state, but don't know where the bomb is!\n" );
+		me->Idle();
+		return;
+	}
+
+	// look at the bomb
+	me->SetLookAt( "Defuse bomb", *bombPos, PRIORITY_HIGH );
+
+	// defuse...
+	me->UseEnvironment();
+
+	if (gpGlobals->curtime - me->GetStateTimestamp() > 1.0f)
+	{
+		// if we missed starting the defuse, give up
+		if (TheCSBots()->GetBombDefuser() == NULL)
+		{
+			me->PrintIfWatched( "Failed to start defuse, giving up\n" );
+			me->Idle();
+			return;
+		}
+		else if (TheCSBots()->GetBombDefuser() != me)
+		{
+			// if someone else got the defuse, give up
+			me->PrintIfWatched( "Someone else started defusing, giving up\n" );
+			me->Idle();
+			return;
+		}
+	}
+
+	// if bomb has been defused, give up
+	if (!TheCSBots()->IsBombPlanted())
+	{
+		me->Idle();
+		return;
+	}
+}
+
+//--------------------------------------------------------------------------------------------------------------
+void DefuseBombState::OnExit( CCSBot *me )
+{
+	me->StandUp();
+	me->ResetStuckMonitor();
+	me->SetTask( CCSBot::SEEK_AND_DESTROY );
+	me->SetDisposition( CCSBot::ENGAGE_AND_INVESTIGATE );
+	me->ClearLookAt();
+}

game/server/cstrike/bot/states/cs_bot_escape_from_bomb.cpp

@@ -0,0 +1,67 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#include "cbase.h"
+#include "cs_bot.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Escape from the bomb.
+ */
+void EscapeFromBombState::OnEnter( CCSBot *me )
+{
+	me->StandUp();
+	me->Run();
+	me->DestroyPath();
+	me->EquipKnife();
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Escape from the bomb.
+ */
+void EscapeFromBombState::OnUpdate( CCSBot *me )
+{
+	const Vector *bombPos = me->GetGameState()->GetBombPosition();
+
+	// if we don't know where the bomb is, we shouldn't be in this state
+	if (bombPos == NULL)
+	{
+		me->Idle();
+		return;
+	}
+
+	// grab our knife to move quickly
+	me->EquipKnife();
+
+	// look around
+	me->UpdateLookAround();
+
+	if (me->UpdatePathMovement() != CCSBot::PROGRESSING)
+	{
+		// we have no path, or reached the end of one - create a new path far away from the bomb
+		FarAwayFromPositionFunctor func( *bombPos );
+		CNavArea *goalArea = FindMinimumCostArea( me->GetLastKnownArea(), func );
+
+		// if this fails, we'll try again next time
+		me->ComputePath( goalArea->GetCenter(), FASTEST_ROUTE );
+	}
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Escape from the bomb.
+ */
+void EscapeFromBombState::OnExit( CCSBot *me )
+{
+	me->EquipBestWeapon();
+}

game/server/cstrike/bot/states/cs_bot_fetch_bomb.cpp

@@ -0,0 +1,69 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#include "cbase.h"
+#include "cs_bot.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Move to the bomb on the floor and pick it up
+ */
+void FetchBombState::OnEnter( CCSBot *me )
+{
+	me->DestroyPath();
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Move to the bomb on the floor and pick it up
+ */
+void FetchBombState::OnUpdate( CCSBot *me )
+{
+	if (me->HasC4())
+	{
+		me->PrintIfWatched( "I picked up the bomb\n" );
+		me->Idle();
+		return;
+	}
+
+
+	CBaseEntity *bomb = TheCSBots()->GetLooseBomb();
+	if (bomb)
+	{
+		if (!me->HasPath())
+		{
+			// build a path to the bomb
+			if (me->ComputePath( bomb->GetAbsOrigin() ) == false)
+			{
+				me->PrintIfWatched( "Fetch bomb pathfind failed\n" );
+
+				// go Hunt instead of Idle to prevent continuous re-pathing to inaccessible bomb
+				me->Hunt();
+				return;
+			}
+		}
+	}
+	else
+	{
+		// someone picked up the bomb
+		me->PrintIfWatched( "Someone else picked up the bomb.\n" );
+		me->Idle();
+		return;
+	}
+
+	// look around
+	me->UpdateLookAround();
+
+	if (me->UpdatePathMovement() != CCSBot::PROGRESSING)
+		me->Idle();
+}

game/server/cstrike/bot/states/cs_bot_follow.cpp

@@ -0,0 +1,366 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#include "cbase.h"
+#include "cs_bot.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Follow our leader
+ */
+void FollowState::OnEnter( CCSBot *me )
+{
+	me->StandUp();
+	me->Run();
+	me->DestroyPath();
+
+	m_isStopped = false;
+	m_stoppedTimestamp = 0.0f;
+
+	// to force immediate repath
+	m_lastLeaderPos.x = -99999999.9f;
+	m_lastLeaderPos.y = -99999999.9f;
+	m_lastLeaderPos.z = -99999999.9f;
+
+	m_lastSawLeaderTime = 0;
+
+	// set re-pathing frequency
+	m_repathInterval.Invalidate();
+
+	m_isSneaking = false;
+
+	m_walkTime.Invalidate();
+	m_isAtWalkSpeed = false;
+
+	m_leaderMotionState = INVALID;
+	m_idleTimer.Start( RandomFloat( 2.0f, 5.0f ) );
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Determine the leader's motion state by tracking his speed
+ */
+void FollowState::ComputeLeaderMotionState( float leaderSpeed )
+{
+	// walk = 130, run = 250
+	const float runWalkThreshold = 140.0f;
+	const float walkStopThreshold = 10.0f; // 120.0f;
+	LeaderMotionStateType prevState = m_leaderMotionState;
+	if (leaderSpeed > runWalkThreshold)
+	{
+		m_leaderMotionState = RUNNING;
+		m_isAtWalkSpeed = false;
+	}
+	else if (leaderSpeed > walkStopThreshold)
+	{
+		// track when began to walk
+		if (!m_isAtWalkSpeed)
+		{
+			m_walkTime.Start();
+			m_isAtWalkSpeed = true;
+		}
+
+		const float minWalkTime = 0.25f;
+		if (m_walkTime.GetElapsedTime() > minWalkTime)
+		{
+			m_leaderMotionState = WALKING;
+		}
+	}
+	else
+	{
+		m_leaderMotionState = STOPPED;
+		m_isAtWalkSpeed = false;
+	}
+
+	// track time spent in this motion state
+	if (prevState != m_leaderMotionState)
+	{
+		m_leaderMotionStateTime.Start();
+		m_waitTime = RandomFloat( 1.0f, 3.0f );
+	}
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Functor to collect all areas in the forward direction of the given player within a radius
+ */
+class FollowTargetCollector
+{
+public:
+	FollowTargetCollector( CBasePlayer *player )
+	{
+		m_player = player;
+
+		Vector playerVel = player->GetAbsVelocity();
+		m_forward.x = playerVel.x;
+		m_forward.y = playerVel.y;
+		float speed = m_forward.NormalizeInPlace();
+
+		Vector playerOrigin = GetCentroid( player );
+
+		const float walkSpeed = 100.0f;
+		if (speed < walkSpeed)
+		{
+			m_cutoff.x = playerOrigin.x;
+			m_cutoff.y = playerOrigin.y;
+			m_forward.x = 0.0f;
+			m_forward.y = 0.0f;
+		}
+		else
+		{
+			const float k = 1.5f; // 2.0f;
+			float trimSpeed = MIN( speed, 200.0f );
+			m_cutoff.x = playerOrigin.x + k * trimSpeed * m_forward.x;
+			m_cutoff.y = playerOrigin.y + k * trimSpeed * m_forward.y;
+		}
+
+		m_targetAreaCount = 0;
+	}
+
+	enum { MAX_TARGET_AREAS = 128 };
+
+	bool operator() ( CNavArea *area )
+	{
+		if (m_targetAreaCount >= MAX_TARGET_AREAS)
+			return false;
+		
+		// only use two-way connections
+		if (!area->GetParent() || area->IsConnected( area->GetParent(), NUM_DIRECTIONS ))
+		{
+			if (m_forward.IsZero())
+			{
+				m_targetArea[ m_targetAreaCount++ ] = area;
+			}
+			else
+			{
+				// collect areas in the direction of the player's forward motion
+				Vector2D to( area->GetCenter().x - m_cutoff.x, area->GetCenter().y - m_cutoff.y );
+				to.NormalizeInPlace();
+
+				//if (DotProduct( to, m_forward ) > 0.7071f)
+				if ((to.x * m_forward.x + to.y * m_forward.y) > 0.7071f)
+					m_targetArea[ m_targetAreaCount++ ] = area;
+			}
+		}
+
+		return (m_targetAreaCount < MAX_TARGET_AREAS);
+	}
+
+
+	CBasePlayer *m_player;
+	Vector2D m_forward;
+	Vector2D m_cutoff;
+
+	CNavArea *m_targetArea[ MAX_TARGET_AREAS ];
+	int m_targetAreaCount;
+};
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Follow our leader
+ * @todo Clean up this nasty mess
+ */
+void FollowState::OnUpdate( CCSBot *me )
+{
+	// if we lost our leader, give up
+	if (m_leader == NULL || !m_leader->IsAlive())
+	{
+		me->Idle();
+		return;
+	}
+
+	// if we are carrying the bomb and at a bombsite, plant
+	if (me->HasC4() && me->IsAtBombsite())
+	{
+		// plant it
+		me->SetTask( CCSBot::PLANT_BOMB );
+		me->PlantBomb();
+
+		// radio to the team
+		me->GetChatter()->PlantingTheBomb( me->GetPlace() );
+
+		return;
+	}
+
+	// look around
+	me->UpdateLookAround();
+
+	// if we are moving, we are not idle
+	if (me->IsNotMoving() == false)
+		m_idleTimer.Start( RandomFloat( 2.0f, 5.0f ) );
+
+	// compute the leader's speed
+	Vector leaderVel = m_leader->GetAbsVelocity();
+	float leaderSpeed = Vector2D( leaderVel.x, leaderVel.y ).Length();
+
+	// determine our leader's movement state
+	ComputeLeaderMotionState( leaderSpeed );
+
+	// track whether we can see the leader
+	bool isLeaderVisible;
+	Vector leaderOrigin = GetCentroid( m_leader );
+	if (me->IsVisible( leaderOrigin ))
+	{
+		m_lastSawLeaderTime = gpGlobals->curtime;
+		isLeaderVisible = true;
+	}
+	else
+	{
+		isLeaderVisible = false;
+	}
+
+
+	// determine whether we should sneak or not
+	const float farAwayRange = 750.0f;
+	Vector myOrigin = GetCentroid( me );
+	if ((leaderOrigin - myOrigin).IsLengthGreaterThan( farAwayRange ))
+	{
+		// far away from leader - run to catch up
+		m_isSneaking = false;
+	}
+	else if (isLeaderVisible)
+	{
+		// if we see leader walking and we are nearby, walk
+		if (m_leaderMotionState == WALKING)
+			m_isSneaking = true;
+
+		// if we are sneaking and our leader starts running, stop sneaking
+		if (m_isSneaking && m_leaderMotionState == RUNNING)
+			m_isSneaking = false;
+	}
+
+	// if we haven't seen the leader for a long time, run
+	const float longTime = 20.0f;
+	if (gpGlobals->curtime - m_lastSawLeaderTime > longTime)
+		m_isSneaking = false;
+
+	if (m_isSneaking)
+		me->Walk();
+	else
+		me->Run();
+
+
+	bool repath = false;
+
+	// if the leader has stopped, hide nearby
+	const float nearLeaderRange = 250.0f;
+	if (!me->HasPath() && m_leaderMotionState == STOPPED && m_leaderMotionStateTime.GetElapsedTime() > m_waitTime)
+	{
+		// throttle how often this check occurs
+		m_waitTime += RandomFloat( 1.0f, 3.0f );
+
+		// the leader has stopped - if we are close to him, take up a hiding spot
+		if ((leaderOrigin - myOrigin).IsLengthLessThan( nearLeaderRange ))
+		{
+			const float hideRange = 250.0f;
+			if (me->TryToHide( NULL, -1.0f, hideRange, false, USE_NEAREST ))
+			{
+				me->ResetStuckMonitor();
+				return;
+			}
+		}
+	}
+
+	// if we have been idle for awhile, move
+	if (m_idleTimer.IsElapsed())
+	{
+		repath = true;
+
+		// always walk when we move such a short distance
+		m_isSneaking = true;
+	}
+
+	// if our leader has moved, repath (don't repath if leading is stopping)
+	if (leaderSpeed > 100.0f && m_leaderMotionState != STOPPED)
+	{
+		repath = true;
+	}
+
+	// move along our path
+	if (me->UpdatePathMovement( NO_SPEED_CHANGE ) != CCSBot::PROGRESSING)
+	{
+		me->DestroyPath();
+	}
+
+	// recompute our path if necessary	
+	if (repath && m_repathInterval.IsElapsed() && !me->IsOnLadder())
+	{
+		// recompute our path to keep us near our leader
+		m_lastLeaderPos = leaderOrigin;
+
+		me->ResetStuckMonitor();
+
+		const float runSpeed = 200.0f;
+
+		const float collectRange = (leaderSpeed > runSpeed) ? 600.0f : 400.0f;		// 400, 200
+		FollowTargetCollector collector( m_leader );
+		SearchSurroundingAreas( TheNavMesh->GetNearestNavArea( m_lastLeaderPos ), m_lastLeaderPos, collector, collectRange );
+
+		if (cv_bot_debug.GetBool())
+		{
+			for( int i=0; i<collector.m_targetAreaCount; ++i )
+				collector.m_targetArea[i]->Draw( /*255, 0, 0, 2*/ );		
+		}
+
+		// move to one of the collected areas
+		if (collector.m_targetAreaCount)
+		{
+			CNavArea *target = NULL;
+			Vector targetPos;
+
+			// if we are idle, pick a random area
+			if (m_idleTimer.IsElapsed())
+			{
+				target = collector.m_targetArea[ RandomInt( 0, collector.m_targetAreaCount-1 ) ];				
+				targetPos = target->GetCenter();
+				me->PrintIfWatched( "%4.1f: Bored. Repathing to a new nearby area\n", gpGlobals->curtime );
+			}
+			else
+			{
+				me->PrintIfWatched( "%4.1f: Repathing to stay with leader.\n", gpGlobals->curtime );
+
+				// find closest area to where we are
+				CNavArea *area;
+				float closeRangeSq = 9999999999.9f;
+				Vector close;
+
+				for( int a=0; a<collector.m_targetAreaCount; ++a )
+				{
+					area = collector.m_targetArea[a];
+
+					area->GetClosestPointOnArea( myOrigin, &close );
+
+					float rangeSq = (myOrigin - close).LengthSqr();
+					if (rangeSq < closeRangeSq)
+					{
+						target = area;
+						targetPos = close;
+						closeRangeSq = rangeSq;
+					}
+				}
+			}
+						
+			if (target == NULL || me->ComputePath( target->GetCenter(), FASTEST_ROUTE ) == false)
+				me->PrintIfWatched( "Pathfind to leader failed.\n" );
+
+			// throttle how often we repath
+			m_repathInterval.Start( 0.5f );
+
+			m_idleTimer.Reset();
+		}
+	}
+}
+
+//--------------------------------------------------------------------------------------------------------------
+void FollowState::OnExit( CCSBot *me )
+{
+}

game/server/cstrike/bot/states/cs_bot_hide.cpp

@@ -0,0 +1,549 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#include "cbase.h"
+#include "cs_simple_hostage.h"
+#include "cs_bot.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Begin moving to a nearby hidey-hole.
+ * NOTE: Do not forget this state may include a very long "move-to" time to get to our hidey spot!
+ */
+void HideState::OnEnter( CCSBot *me )
+{
+	m_isAtSpot = false;
+	m_isLookingOutward = false;
+
+	// if duration is "infinite", set it to a reasonably long time to prevent infinite camping
+	if (m_duration < 0.0f)
+	{
+		m_duration = RandomFloat( 30.0f, 60.0f );
+	}
+
+	// decide whether to "ambush" or not - never set to false so as not to override external setting
+	if (RandomFloat( 0.0f, 100.0f ) < 50.0f)
+	{
+		m_isHoldingPosition = true;
+	}
+
+	// if we are holding position, decide for how long
+	if (m_isHoldingPosition)
+	{
+		m_holdPositionTime = RandomFloat( 3.0f, 10.0f );
+	}
+	else
+	{
+		m_holdPositionTime = 0.0f;
+	}
+
+	m_heardEnemy = false;
+	m_firstHeardEnemyTime = 0.0f;
+	m_retry = 0;
+
+	if (me->IsFollowing())
+	{
+		m_leaderAnchorPos = GetCentroid( me->GetFollowLeader() );
+	}
+
+	// if we are a sniper, we need to periodically pause while we retreat to squeeze off a shot or two
+	if (me->IsSniper())
+	{
+		// start off paused to allow a final shot before retreating
+		m_isPaused = false;
+		m_pauseTimer.Invalidate();
+	}
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Move to a nearby hidey-hole.
+ * NOTE: Do not forget this state may include a very long "move-to" time to get to our hidey spot!
+ */
+void HideState::OnUpdate( CCSBot *me )
+{
+	Vector myOrigin = GetCentroid( me );
+
+	// wait until finished reloading to leave hide state
+	if (!me->IsReloading())
+	{
+		// if we are momentarily hiding while following someone, check to see if he has moved on
+		if (me->IsFollowing())
+		{
+			CCSPlayer *leader = static_cast<CCSPlayer *>( static_cast<CBaseEntity *>( me->GetFollowLeader() ) );
+			Vector leaderOrigin = GetCentroid( leader );
+
+			// BOTPORT: Determine walk/run velocity thresholds
+			float runThreshold = 200.0f;
+			if (leader->GetAbsVelocity().IsLengthGreaterThan( runThreshold ))
+			{
+				// leader is running, stay with him
+				me->Follow( leader );
+				return;			
+			}
+
+			// if leader has moved, stay with him
+			const float followRange = 250.0f;
+			if ((m_leaderAnchorPos - leaderOrigin).IsLengthGreaterThan( followRange ))
+			{
+				me->Follow( leader );
+				return;
+			}
+		}
+
+		// if we see a nearby buddy in combat, join him
+		/// @todo - Perhaps tie in to TakeDamage(), so it works for human players, too
+
+		//
+		// Scenario logic
+		//
+		switch( TheCSBots()->GetScenario() )
+		{
+			case CCSBotManager::SCENARIO_DEFUSE_BOMB:
+			{
+				if (me->GetTeamNumber() == TEAM_CT)
+				{
+					// if we are just holding position (due to a radio order) and the bomb has just planted, go defuse it
+					if (me->GetTask() == CCSBot::HOLD_POSITION && 
+						TheCSBots()->IsBombPlanted() &&
+						TheCSBots()->GetBombPlantTimestamp() > me->GetStateTimestamp())
+					{
+						me->Idle();
+						return;
+					}
+
+					// if we are guarding the defuser and he dies/gives up, stop hiding (to choose another defuser)
+					if (me->GetTask() == CCSBot::GUARD_BOMB_DEFUSER && TheCSBots()->GetBombDefuser() == NULL)
+					{
+						me->Idle();
+						return;
+					}
+
+					// if we are guarding the loose bomb and it is picked up, stop hiding
+					if (me->GetTask() == CCSBot::GUARD_LOOSE_BOMB && TheCSBots()->GetLooseBomb() == NULL)
+					{
+						me->GetChatter()->TheyPickedUpTheBomb();
+						me->Idle();
+						return;
+					}
+
+					// if we are guarding a bombsite and the bomb is dropped and we hear about it, stop guarding
+					if (me->GetTask() == CCSBot::GUARD_BOMB_ZONE && me->GetGameState()->IsLooseBombLocationKnown())
+					{
+						me->Idle();
+						return;
+					}
+
+					// if we are guarding (bombsite, initial encounter, etc) and the bomb is planted, go defuse it
+					if (me->IsDoingScenario() && me->GetTask() != CCSBot::GUARD_BOMB_DEFUSER && TheCSBots()->IsBombPlanted())
+					{
+						me->Idle();
+						return;
+					}
+
+				}
+				else	// TERRORIST
+				{
+					// if we are near the ticking bomb and someone starts defusing it, attack!
+					if (TheCSBots()->GetBombDefuser())
+					{
+						Vector defuserOrigin = GetCentroid( TheCSBots()->GetBombDefuser() );
+						Vector toDefuser = defuserOrigin - myOrigin;
+
+						const float hearDefuseRange = 2000.0f;
+						if (toDefuser.IsLengthLessThan( hearDefuseRange ))
+						{
+							// if we are nearby, attack, otherwise move to the bomb (which will cause us to attack when we see defuser)
+							if (me->CanSeePlantedBomb())
+							{
+								me->Attack( TheCSBots()->GetBombDefuser() );
+							}
+							else
+							{
+								me->MoveTo( defuserOrigin, FASTEST_ROUTE );
+								me->InhibitLookAround( 10.0f );
+							}
+
+							return;
+						}
+					}
+				}
+				break;
+			}
+
+			//--------------------------------------------------------------------------------------------------
+			case CCSBotManager::SCENARIO_RESCUE_HOSTAGES:
+			{
+				// if we're guarding the hostages and they all die or are taken, do something else
+				if (me->GetTask() == CCSBot::GUARD_HOSTAGES)
+				{
+					if (me->GetGameState()->AreAllHostagesBeingRescued() || me->GetGameState()->AreAllHostagesGone())
+					{
+						me->Idle();
+						return;
+					}
+				}
+				else if (me->GetTask() == CCSBot::GUARD_HOSTAGE_RESCUE_ZONE)
+				{
+					// if we stumble across a hostage, guard it
+					CHostage *hostage = me->GetGameState()->GetNearestVisibleFreeHostage();
+					if (hostage)
+					{
+						// we see a free hostage, guard it
+						Vector hostageOrigin = GetCentroid( hostage );
+						CNavArea *area = TheNavMesh->GetNearestNavArea( hostageOrigin );
+						if (area)
+						{
+							me->SetTask( CCSBot::GUARD_HOSTAGES );
+							me->Hide( area );
+							me->PrintIfWatched( "I'm guarding hostages I found\n" );
+							// don't chatter here - he'll tell us when he's in his hiding spot
+							return;
+						}
+					}
+				}
+			}
+		}
+
+
+		bool isSettledInSniper = (me->IsSniper() && m_isAtSpot) ? true : false;
+
+		// only investigate noises if we are initiating attacks, and we aren't a "settled in" sniper
+		// dont investigate noises if we are reloading
+		if (!me->IsReloading() && 
+			!isSettledInSniper && 
+			me->GetDisposition() == CCSBot::ENGAGE_AND_INVESTIGATE)
+		{
+			// if we are holding position, and have heard the enemy nearby, investigate after our hold time is up
+			if (m_isHoldingPosition && m_heardEnemy && (gpGlobals->curtime - m_firstHeardEnemyTime > m_holdPositionTime))
+			{
+				/// @todo We might need to remember specific location of last enemy noise here
+				me->InvestigateNoise();
+				return;
+			}
+
+			// investigate nearby enemy noises
+			if (me->HeardInterestingNoise())
+			{
+				// if we are holding position, check if enough time has elapsed since we first heard the enemy
+				if (m_isAtSpot && m_isHoldingPosition)
+				{
+					if (!m_heardEnemy)
+					{
+						// first time we heard the enemy
+						m_heardEnemy = true;
+						m_firstHeardEnemyTime = gpGlobals->curtime;
+						me->PrintIfWatched( "Heard enemy, holding position for %f2.1 seconds...\n", m_holdPositionTime );
+					}
+				}
+				else
+				{
+					// not holding position - investigate enemy noise
+					me->InvestigateNoise();
+					return;
+				}
+			}
+		}
+	}	// end reloading check
+
+	// look around
+	me->UpdateLookAround();
+
+	// if we are at our hiding spot, crouch and wait
+	if (m_isAtSpot)
+	{
+		me->ResetStuckMonitor();
+
+		CNavArea *area = TheNavMesh->GetNavArea( m_hidingSpot );
+		if ( !area || !( area->GetAttributes() & NAV_MESH_STAND ) )
+		{
+			me->Crouch();
+		}
+
+		// check if duration has expired
+		if (m_hideTimer.IsElapsed()) 
+		{
+			if (me->GetTask() == CCSBot::GUARD_LOOSE_BOMB)
+			{
+				// if we're guarding the loose bomb, continue to guard it but pick a new spot
+				me->Hide( TheCSBots()->GetLooseBombArea() );
+				return;
+			}
+			else if (me->GetTask() == CCSBot::GUARD_BOMB_ZONE)
+			{
+				// if we're guarding a bombsite, continue to guard it but pick a new spot
+				const CCSBotManager::Zone *zone = TheCSBots()->GetClosestZone( myOrigin );
+				if (zone)
+				{
+					CNavArea *area = TheCSBots()->GetRandomAreaInZone( zone );
+					if (area)
+					{
+						me->Hide( area );
+						return;
+					}
+				}
+			}
+			else if (me->GetTask() == CCSBot::GUARD_HOSTAGE_RESCUE_ZONE)
+			{
+				// if we're guarding a rescue zone, continue to guard this or another rescue zone
+				if (me->GuardRandomZone())
+				{
+					me->SetTask( CCSBot::GUARD_HOSTAGE_RESCUE_ZONE );
+					me->PrintIfWatched( "Continuing to guard hostage rescue zones\n" );
+					me->SetDisposition( CCSBot::OPPORTUNITY_FIRE );
+					me->GetChatter()->GuardingHostageEscapeZone( IS_PLAN );
+					return;
+				}
+			}
+
+			me->Idle();
+			return;
+		}
+
+/*
+		// if we are watching for an approaching noisy enemy, anticipate and fire before they round the corner
+		/// @todo Need to check if we are looking at an ENEMY_NOISE here
+		const float veryCloseNoise = 250.0f;
+		if (me->IsLookingAtSpot() && me->GetNoiseRange() < veryCloseNoise)
+		{
+			// fire!
+			me->PrimaryAttack();
+			me->PrintIfWatched( "Firing at anticipated enemy coming around the corner!\n" );
+		}
+*/
+
+		// if we have a shield, hide behind it
+		if (me->HasShield() && !me->IsProtectedByShield())
+			me->SecondaryAttack();
+
+		// while sitting at our hiding spot, if we are being attacked but can't see our attacker, move somewhere else
+		const float hurtRecentlyTime = 1.0f;
+		if (!me->IsEnemyVisible() && me->GetTimeSinceAttacked() < hurtRecentlyTime)
+		{
+			me->Idle();
+			return;
+		}
+
+		// encourage the human player
+		if (!me->IsDoingScenario())
+		{
+			if (me->GetTeamNumber() == TEAM_CT)
+			{
+				if (me->GetTask() == CCSBot::GUARD_BOMB_ZONE && 
+					me->IsAtHidingSpot() && 
+					TheCSBots()->IsBombPlanted())
+				{
+					if (me->GetNearbyEnemyCount() == 0)
+					{
+						const float someTime = 30.0f;
+						const float littleTime = 11.0;
+
+						if (TheCSBots()->GetBombTimeLeft() > someTime)
+							me->GetChatter()->Encourage( "BombsiteSecure", RandomFloat( 10.0f, 15.0f ) );
+						else if (TheCSBots()->GetBombTimeLeft() > littleTime)
+							me->GetChatter()->Encourage( "WaitingForHumanToDefuseBomb", RandomFloat( 5.0f, 8.0f ) );
+						else
+							me->GetChatter()->Encourage( "WaitingForHumanToDefuseBombPanic", RandomFloat( 3.0f, 4.0f ) );
+					}
+				}
+
+				if (me->GetTask() == CCSBot::GUARD_HOSTAGES && me->IsAtHidingSpot())
+				{
+					if (me->GetNearbyEnemyCount() == 0)
+					{
+						CHostage *hostage = me->GetGameState()->GetNearestVisibleFreeHostage();
+						if (hostage)
+						{
+							me->GetChatter()->Encourage( "WaitingForHumanToRescueHostages", RandomFloat( 10.0f, 15.0f ) );
+						}
+					}
+				}
+			}
+		}
+	}
+	else
+	{
+		// we are moving to our hiding spot
+
+		// snipers periodically pause and fire while retreating
+		if (me->IsSniper() && me->IsEnemyVisible())
+		{
+			if (m_isPaused)
+			{
+				if (m_pauseTimer.IsElapsed())
+				{
+					// get moving
+					m_isPaused = false;
+					m_pauseTimer.Start( RandomFloat( 1.0f, 3.0f ) );
+				}
+				else
+				{
+					me->Wait( 0.2f );
+				}
+			}
+			else
+			{
+				if (m_pauseTimer.IsElapsed())
+				{
+					// pause for a moment
+					m_isPaused = true;
+					m_pauseTimer.Start( RandomFloat( 0.5f, 1.5f ) );
+				}
+			}
+		}
+
+		// if a Player is using this hiding spot, give up
+		float range;
+		CCSPlayer *camper = static_cast<CCSPlayer *>( UTIL_GetClosestPlayer( m_hidingSpot, &range ) );
+
+		const float closeRange = 75.0f;
+		if (camper && camper != me && range < closeRange && me->IsVisible( camper, CHECK_FOV ))
+		{
+			// player is in our hiding spot
+			me->PrintIfWatched( "Someone's in my hiding spot - picking another...\n" );
+
+			const int maxRetries = 3;
+			if (m_retry++ >= maxRetries)
+			{
+				me->PrintIfWatched( "Can't find a free hiding spot, giving up.\n" );
+				me->Idle();
+				return;
+			}
+
+			// pick another hiding spot near where we were planning on hiding
+			me->Hide( TheNavMesh->GetNavArea( m_hidingSpot ) );
+
+			return;
+		}
+
+		Vector toSpot;
+		toSpot.x = m_hidingSpot.x - myOrigin.x;
+		toSpot.y = m_hidingSpot.y - myOrigin.y;
+		toSpot.z = m_hidingSpot.z - me->GetFeetZ(); // use feet location
+		range = toSpot.Length();
+
+		// look outwards as we get close to our hiding spot
+		if (!me->IsEnemyVisible() && !m_isLookingOutward)
+		{
+			const float lookOutwardRange = 200.0f;
+			const float nearSpotRange = 10.0f;
+			if (range < lookOutwardRange && range > nearSpotRange)
+			{
+				m_isLookingOutward = true;
+
+				toSpot.x /= range;
+				toSpot.y /= range;
+				toSpot.z /= range;
+
+				me->SetLookAt( "Face outward", me->EyePosition() - 1000.0f * toSpot, PRIORITY_HIGH, 3.0f );
+			}
+		}
+
+		const float atDist = 20.0f;
+		if (range < atDist)
+		{
+			//-------------------------------------
+			// Just reached our hiding spot
+			//
+			m_isAtSpot = true;
+			m_hideTimer.Start( m_duration );
+
+			// make sure our approach points are valid, since we'll be watching them
+			me->ComputeApproachPoints();
+			me->ClearLookAt();
+
+			// ready our weapon and prepare to attack
+			me->EquipBestWeapon( me->IsUsingGrenade() );
+			me->SetDisposition( CCSBot::OPPORTUNITY_FIRE );
+
+			// if we are a sniper, update our task
+			if (me->GetTask() == CCSBot::MOVE_TO_SNIPER_SPOT)
+			{
+				me->SetTask( CCSBot::SNIPING );
+			}
+			else if (me->GetTask() == CCSBot::GUARD_INITIAL_ENCOUNTER)
+			{
+				const float campChatterChance = 20.0f;
+				if (RandomFloat( 0, 100 ) < campChatterChance)
+				{
+					me->GetChatter()->Say( "WaitingHere" );
+				}
+			}
+
+			
+			// determine which way to look
+			trace_t result;
+			float outAngle = 0.0f;
+			float outAngleRange = 0.0f;
+			for( float angle = 0.0f; angle < 360.0f; angle += 45.0f )
+			{
+				UTIL_TraceLine( me->EyePosition(), me->EyePosition() + 1000.0f * Vector( BotCOS(angle), BotSIN(angle), 0.0f ), MASK_PLAYERSOLID, me, COLLISION_GROUP_NONE, &result );
+
+				if (result.fraction > outAngleRange)
+				{
+					outAngle = angle;
+					outAngleRange = result.fraction;
+				}
+			}
+
+			me->SetLookAheadAngle( outAngle );
+
+		}
+
+		// move to hiding spot
+		if (me->UpdatePathMovement() != CCSBot::PROGRESSING && !m_isAtSpot)
+		{
+			// we couldn't get to our hiding spot - pick another
+			me->PrintIfWatched( "Can't get to my hiding spot - finding another...\n" );
+
+			// search from hiding spot, since we know it was valid
+			const Vector *pos = FindNearbyHidingSpot( me, m_hidingSpot, m_range, me->IsSniper() );
+			if (pos == NULL)
+			{
+				// no available hiding spots
+				me->PrintIfWatched( "No available hiding spots - hiding where I'm at.\n" );
+
+				// hide where we are
+				m_hidingSpot.x = myOrigin.x;
+				m_hidingSpot.x = myOrigin.y;
+				m_hidingSpot.z = me->GetFeetZ();
+			}
+			else
+			{
+				m_hidingSpot = *pos;
+			}
+
+			// build a path to our new hiding spot
+			if (me->ComputePath( m_hidingSpot, FASTEST_ROUTE ) == false)
+			{
+				me->PrintIfWatched( "Can't pathfind to hiding spot\n" );
+				me->Idle();
+				return;
+			}
+		}
+	}
+}
+
+//--------------------------------------------------------------------------------------------------------------
+void HideState::OnExit( CCSBot *me )
+{
+	m_isHoldingPosition = false;
+
+	me->StandUp();
+	me->ResetStuckMonitor();
+	//me->ClearLookAt();
+	me->ClearApproachPoints();
+
+	// if we have a shield, put it away
+	if (me->HasShield() && me->IsProtectedByShield())
+		me->SecondaryAttack();
+}

game/server/cstrike/bot/states/cs_bot_hunt.cpp

@@ -0,0 +1,234 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#include "cbase.h"
+#include "cs_simple_hostage.h"
+#include "cs_bot.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Begin the hunt
+ */
+void HuntState::OnEnter( CCSBot *me )
+{
+	// lurking death
+	if (me->IsUsingKnife() && me->IsWellPastSafe() && !me->IsHurrying())
+		me->Walk();
+	else
+		me->Run();
+
+
+	me->StandUp();
+	me->SetDisposition( CCSBot::ENGAGE_AND_INVESTIGATE );
+	me->SetTask( CCSBot::SEEK_AND_DESTROY );
+
+	me->DestroyPath();
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Hunt down our enemies
+ */
+void HuntState::OnUpdate( CCSBot *me )
+{
+	// if we've been hunting for a long time, drop into Idle for a moment to
+	// select something else to do
+	const float huntingTooLongTime = 30.0f;
+	if (gpGlobals->curtime - me->GetStateTimestamp() > huntingTooLongTime)
+	{
+		// stop being a rogue and do the scenario, since there must not be many enemies left to hunt
+		me->PrintIfWatched( "Giving up hunting.\n" );
+		me->SetRogue( false );
+		me->Idle();
+		return;
+	}
+
+	// scenario logic
+	if (TheCSBots()->GetScenario() == CCSBotManager::SCENARIO_DEFUSE_BOMB)
+	{
+		if (me->GetTeamNumber() == TEAM_TERRORIST)
+		{
+			// if we have the bomb and it's time to plant, or we happen to be in a bombsite and it seems safe, do it
+			if (me->HasC4())
+			{
+				const float safeTime = 3.0f;
+
+				if (TheCSBots()->IsTimeToPlantBomb() || 
+						(me->IsAtBombsite() && gpGlobals->curtime - me->GetLastSawEnemyTimestamp() > safeTime))
+				{
+					me->Idle();
+					return;
+				}
+			}
+
+			// if we notice the bomb lying on the ground, go get it
+			if (me->NoticeLooseBomb())
+			{
+				me->FetchBomb();
+				return;
+			}
+
+			// if bomb has been planted, and we hear it, move to a hiding spot near the bomb and watch it
+			const Vector *bombPos = me->GetGameState()->GetBombPosition();
+			if (!me->IsRogue() && me->GetGameState()->IsBombPlanted() && bombPos)
+			{
+				me->SetTask( CCSBot::GUARD_TICKING_BOMB );
+				me->Hide( TheNavMesh->GetNavArea( *bombPos ) );
+				return;
+			}
+		}
+		else		// CT
+		{
+			if (!me->IsRogue() && me->CanSeeLooseBomb())
+			{
+				// if we are near the loose bomb and can see it, hide nearby and guard it
+				me->SetTask( CCSBot::GUARD_LOOSE_BOMB );
+				me->Hide( TheCSBots()->GetLooseBombArea() );
+				me->GetChatter()->GuardingLooseBomb( TheCSBots()->GetLooseBomb() );
+				return;
+			}
+			else if (TheCSBots()->IsBombPlanted())
+			{
+				// rogues will defuse a bomb, but not guard the defuser
+				if (!me->IsRogue() || !TheCSBots()->GetBombDefuser())
+				{
+					// search for the planted bomb to defuse
+					me->Idle();
+					return;
+				}
+			}
+		}
+	}
+	else if (TheCSBots()->GetScenario() == CCSBotManager::SCENARIO_RESCUE_HOSTAGES)
+	{
+		if (me->GetTeamNumber() == TEAM_TERRORIST)
+		{
+			if (me->GetGameState()->AreAllHostagesBeingRescued())
+			{
+				// all hostages are being rescued, head them off at the escape zones
+				if (me->GuardRandomZone())
+				{
+					me->SetTask( CCSBot::GUARD_HOSTAGE_RESCUE_ZONE );
+					me->PrintIfWatched( "Trying to beat them to an escape zone!\n" );
+					me->SetDisposition( CCSBot::OPPORTUNITY_FIRE );
+					me->GetChatter()->GuardingHostageEscapeZone( IS_PLAN );
+					return;
+				}
+			}
+
+			// if safe time is up, and we stumble across a hostage, guard it
+			if (!me->IsRogue() && !me->IsSafe())
+			{
+				CHostage *hostage = me->GetGameState()->GetNearestVisibleFreeHostage();
+				if (hostage)
+				{
+					CNavArea *area = TheNavMesh->GetNearestNavArea( GetCentroid( hostage ) );
+					if (area)
+					{
+						// we see a free hostage, guard it
+						me->SetTask( CCSBot::GUARD_HOSTAGES );
+						me->Hide( area );
+						me->PrintIfWatched( "I'm guarding hostages\n" );
+						me->GetChatter()->GuardingHostages( area->GetPlace(), IS_PLAN );
+						return;
+					}
+				}
+			}
+		}
+	}
+
+	// listen for enemy noises
+	if (me->HeardInterestingNoise())
+	{
+		me->InvestigateNoise();
+		return;
+	}
+		
+	// look around
+	me->UpdateLookAround();
+
+	// if we have reached our destination area, pick a new one
+	// if our path fails, pick a new one
+	if (me->GetLastKnownArea() == m_huntArea || me->UpdatePathMovement() != CCSBot::PROGRESSING)
+	{
+		// pick a new hunt area
+		const float earlyGameTime = 45.0f;
+		if (TheCSBots()->GetElapsedRoundTime() < earlyGameTime && !me->HasVisitedEnemySpawn())
+		{
+			// in the early game, rush the enemy spawn
+			CBaseEntity *enemySpawn = TheCSBots()->GetRandomSpawn( OtherTeam( me->GetTeamNumber() ) );
+
+			//ADRIAN: REVISIT
+			if ( enemySpawn )
+			{
+				m_huntArea = TheNavMesh->GetNavArea( enemySpawn->WorldSpaceCenter() );
+			}
+		}
+		else
+		{
+			m_huntArea = NULL;
+			float oldest = 0.0f;
+
+			int areaCount = 0;
+			const float minSize = 150.0f;
+
+			FOR_EACH_VEC( TheNavAreas, it )
+			{
+				CNavArea *area = TheNavAreas[ it ];
+
+				++areaCount;
+
+				// skip the small areas
+				Extent extent;
+				area->GetExtent(&extent);
+				if (extent.hi.x - extent.lo.x < minSize || extent.hi.y - extent.lo.y < minSize)
+					continue;
+
+				// keep track of the least recently cleared area
+				float age = gpGlobals->curtime - area->GetClearedTimestamp( me->GetTeamNumber()-1 );
+				if (age > oldest)
+				{
+					oldest = age;
+					m_huntArea = area;
+				}
+			}
+
+			// if all the areas were too small, pick one at random
+			int which = RandomInt( 0, areaCount-1 );
+
+			areaCount = 0;
+			FOR_EACH_VEC( TheNavAreas, hit )
+			{
+				m_huntArea = TheNavAreas[ hit ];
+
+				if (which == areaCount)
+					break;
+
+				--which;
+			}
+		}
+
+		if (m_huntArea)
+		{
+			// create a new path to a far away area of the map
+			me->ComputePath( m_huntArea->GetCenter() );
+		}
+	}
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Done hunting
+ */
+void HuntState::OnExit( CCSBot *me )
+{
+}

game/server/cstrike/bot/states/cs_bot_idle.cpp

@@ -0,0 +1,887 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#include "cbase.h"
+#include "cs_simple_hostage.h"
+#include "cs_bot.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+// range for snipers to select a hiding spot
+const float sniperHideRange = 2000.0f;
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * The Idle state.
+ * We never stay in the Idle state - it is a "home base" for the state machine that
+ * does various checks to determine what we should do next.
+ */
+void IdleState::OnEnter( CCSBot *me )
+{
+	me->DestroyPath();
+	me->SetBotEnemy( NULL );
+
+	// lurking death
+	if (me->IsUsingKnife() && me->IsWellPastSafe() && !me->IsHurrying())
+		me->Walk();
+
+	//
+	// Since Idle assigns tasks, we assume that coming back to Idle means our task is complete
+	//
+	me->SetTask( CCSBot::SEEK_AND_DESTROY );
+	me->SetDisposition( CCSBot::ENGAGE_AND_INVESTIGATE );
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Determine what we should do next
+ */
+void IdleState::OnUpdate( CCSBot *me )
+{
+	// all other states assume GetLastKnownArea() is valid, ensure that it is
+	if (me->GetLastKnownArea() == NULL && me->StayOnNavMesh() == false)
+		return;
+
+	// zombies never leave the Idle state
+	if (cv_bot_zombie.GetBool())
+	{
+		me->ResetStuckMonitor();
+		return;
+	}
+
+	// if we are in the early "safe" time, grab a knife or grenade
+	if (me->IsSafe())
+	{
+		// if we have a grenade, use it
+		if (!me->EquipGrenade())
+		{
+			// high-skill bots run with the knife, unless using the Scout (which moves faster)
+			if (me->GetProfile()->GetSkill() > 0.33f && !me->IsUsing( WEAPON_SCOUT ))
+			{
+				me->EquipKnife();
+			}
+		}
+	}
+
+	// if round is over, hunt
+	if (me->GetGameState()->IsRoundOver())
+	{
+		// if we are escorting hostages, try to get to the rescue zone
+		if (me->GetHostageEscortCount())
+		{
+			const CCSBotManager::Zone *zone = TheCSBots()->GetClosestZone( me->GetLastKnownArea(), PathCost( me, FASTEST_ROUTE ) );
+			const Vector *zonePos = TheCSBots()->GetRandomPositionInZone( zone );
+
+			if (zonePos)
+			{
+				me->SetTask( CCSBot::RESCUE_HOSTAGES );
+				me->Run();
+				me->SetDisposition( CCSBot::SELF_DEFENSE );
+				me->MoveTo( *zonePos, FASTEST_ROUTE );
+				me->PrintIfWatched( "Trying to rescue hostages at the end of the round\n" );
+				return;
+			}
+		}
+
+		me->Hunt();
+		return;
+	}
+
+	const float defenseSniperCampChance = 75.0f;
+	const float offenseSniperCampChance = 10.0f;
+
+	// if we were following someone, continue following them
+	if (me->IsFollowing())
+	{
+		me->ContinueFollowing();
+		return;
+	}
+
+	//
+	// Scenario logic
+	//
+	switch (TheCSBots()->GetScenario())
+	{
+		//======================================================================================================
+		case CCSBotManager::SCENARIO_DEFUSE_BOMB:
+		{
+			// if this is a bomb game and we have the bomb, go plant it
+			if (me->GetTeamNumber() == TEAM_TERRORIST)
+			{
+				if (me->GetGameState()->IsBombPlanted())
+				{
+					if (me->GetGameState()->GetPlantedBombsite() != CSGameState::UNKNOWN)
+					{
+						// T's always know where the bomb is - go defend it
+						const CCSBotManager::Zone *zone = TheCSBots()->GetZone( me->GetGameState()->GetPlantedBombsite() );
+						if (zone)
+						{
+							me->SetTask( CCSBot::GUARD_TICKING_BOMB );
+
+							Place place = TheNavMesh->GetPlace( zone->m_center );
+							if (place != UNDEFINED_PLACE)
+							{
+								// pick a random hiding spot in this place
+								const Vector *spot = FindRandomHidingSpot( me, place, me->IsSniper() );
+								if (spot)
+								{
+									me->Hide( *spot );
+									return;
+								}
+							}
+
+							// hide nearby
+							me->Hide( TheNavMesh->GetNearestNavArea( zone->m_center ) );
+							return;
+						}
+					}
+					else
+					{
+						// ask our teammates where the bomb is
+						me->GetChatter()->RequestBombLocation();
+
+						// we dont know where the bomb is - we must search the bombsites
+						int zoneIndex = me->GetGameState()->GetNextBombsiteToSearch();
+
+						// move to bombsite - if we reach it, we'll update its cleared status, causing us to select another
+						const Vector *pos = TheCSBots()->GetRandomPositionInZone( TheCSBots()->GetZone( zoneIndex ) );
+						if (pos)
+						{
+							me->SetTask( CCSBot::FIND_TICKING_BOMB );
+							me->MoveTo( *pos );
+							return;
+						}
+					}
+				}
+				else if (me->HasC4())
+				{
+					// if we're at a bomb site, plant the bomb
+					if (me->IsAtBombsite())
+					{
+						// plant it
+						me->SetTask( CCSBot::PLANT_BOMB );
+						me->PlantBomb();
+
+						// radio to the team
+						me->GetChatter()->PlantingTheBomb( me->GetPlace() );
+
+						return;
+					}
+					else if (TheCSBots()->IsTimeToPlantBomb())
+					{
+						// move to the closest bomb site
+						const CCSBotManager::Zone *zone = TheCSBots()->GetClosestZone( me->GetLastKnownArea(), PathCost( me ) );
+						if (zone)
+						{
+							// pick a random spot within the bomb zone
+							const Vector *pos = TheCSBots()->GetRandomPositionInZone( zone );
+							if (pos)
+							{
+								// move to bombsite
+								me->SetTask( CCSBot::PLANT_BOMB );
+								me->Run();
+								me->MoveTo( *pos );
+
+								return;
+							}
+						}
+					}
+				}
+				else
+				{
+					// at the start of the round, we may decide to defend "initial encounter" areas
+					// where we will first meet the enemy rush
+					if (me->IsSafe())
+					{
+						float defendRushChance = -17.0f * (me->GetMorale() - 2);
+
+						if (me->IsSniper() || RandomFloat( 0.0f, 100.0f ) < defendRushChance)
+						{
+							if (me->MoveToInitialEncounter())
+							{
+								me->PrintIfWatched( "I'm guarding an initial encounter area\n" );
+								me->SetTask( CCSBot::GUARD_INITIAL_ENCOUNTER );
+								me->SetDisposition( CCSBot::OPPORTUNITY_FIRE );
+								return;
+							}
+						}
+					}
+
+					// small chance of sniper camping on offense, if we aren't carrying the bomb
+					if (me->GetFriendsRemaining() && me->IsSniper() && RandomFloat( 0, 100.0f ) < offenseSniperCampChance)
+					{
+						me->SetTask( CCSBot::MOVE_TO_SNIPER_SPOT );
+						me->Hide( me->GetLastKnownArea(), RandomFloat( 10.0f, 30.0f ), sniperHideRange );
+						me->SetDisposition( CCSBot::OPPORTUNITY_FIRE );
+						me->PrintIfWatched( "Sniping!\n" );
+						return;
+					}
+
+					// if the bomb is loose (on the ground), go get it
+					if (me->NoticeLooseBomb())
+					{
+						me->FetchBomb();
+						return;
+					}
+
+					// if bomb has been planted, and we hear it, move to a hiding spot near the bomb and guard it
+					if (!me->IsRogue() && me->GetGameState()->IsBombPlanted() && me->GetGameState()->GetBombPosition())
+					{
+						const Vector *bombPos = me->GetGameState()->GetBombPosition();
+
+						if (bombPos)
+						{
+							me->SetTask( CCSBot::GUARD_TICKING_BOMB );
+							me->Hide( TheNavMesh->GetNavArea( *bombPos ) );
+							return;
+						}
+					}
+				}
+			}
+			else	// CT ------------------------------------------------------------------------------------------
+			{
+				if (me->GetGameState()->IsBombPlanted())
+				{
+					// if the bomb has been planted, attempt to defuse it
+					const Vector *bombPos = me->GetGameState()->GetBombPosition();
+					if (bombPos)
+					{
+						// if someone is defusing the bomb, guard them
+						if (TheCSBots()->GetBombDefuser())
+						{
+							if (!me->IsRogue())
+							{
+								me->SetTask( CCSBot::GUARD_BOMB_DEFUSER );
+								me->Hide( TheNavMesh->GetNavArea( *bombPos ) );
+								return;
+							}
+						}
+						else if (me->IsDoingScenario())
+						{
+							// move to the bomb and defuse it
+							me->SetTask( CCSBot::DEFUSE_BOMB );
+							me->SetDisposition( CCSBot::OPPORTUNITY_FIRE );
+							me->MoveTo( *bombPos );
+							return;
+						}
+						else
+						{
+							// we're not allowed to defuse, guard the bomb zone
+							me->SetTask( CCSBot::GUARD_BOMB_ZONE );
+							me->Hide( TheNavMesh->GetNavArea( *bombPos ) );
+							me->SetDisposition( CCSBot::OPPORTUNITY_FIRE );
+							return;
+						}
+					}
+					else if (me->GetGameState()->GetPlantedBombsite() != CSGameState::UNKNOWN)
+					{
+						// we know which bombsite, but not exactly where the bomb is, go there
+						const CCSBotManager::Zone *zone = TheCSBots()->GetZone( me->GetGameState()->GetPlantedBombsite() );
+						if (zone)
+						{
+							if (me->IsDoingScenario())
+							{
+								me->SetTask( CCSBot::DEFUSE_BOMB );
+								me->MoveTo( zone->m_center );
+								me->SetDisposition( CCSBot::OPPORTUNITY_FIRE );
+								return;
+							}
+							else
+							{
+								// we're not allowed to defuse, guard the bomb zone
+								me->SetTask( CCSBot::GUARD_BOMB_ZONE );
+								me->Hide( TheNavMesh->GetNavArea( zone->m_center ) );
+								me->SetDisposition( CCSBot::OPPORTUNITY_FIRE );
+								return;
+							}
+						}
+					}
+					else
+					{
+						// we dont know where the bomb is - we must search the bombsites
+
+						// find closest un-cleared bombsite
+						const CCSBotManager::Zone *zone = NULL;
+						float travelDistance = 9999999.9f;
+
+						for( int z=0; z<TheCSBots()->GetZoneCount(); ++z )
+						{
+							if (TheCSBots()->GetZone(z)->m_areaCount == 0)
+								continue;
+
+							// don't check bombsites that have been cleared
+							if (me->GetGameState()->IsBombsiteClear( z ))
+								continue;
+
+							// just use the first overlapping nav area as a reasonable approximation
+							ShortestPathCost cost = ShortestPathCost();
+							float dist = NavAreaTravelDistance( me->GetLastKnownArea(), 
+																TheNavMesh->GetNearestNavArea( TheCSBots()->GetZone(z)->m_center ), 
+																cost );
+
+							if (dist >= 0.0f && dist < travelDistance)
+							{
+								zone = TheCSBots()->GetZone(z);
+								travelDistance = dist;
+							}
+						}			
+						
+						
+						if (zone)
+						{
+							const float farAwayRange = 2000.0f;
+							if (travelDistance > farAwayRange)
+							{
+								zone = NULL;
+							}
+						}
+
+						// if closest bombsite is "far away", pick one at random
+						if (zone == NULL)
+						{
+							int zoneIndex = me->GetGameState()->GetNextBombsiteToSearch();
+							zone = TheCSBots()->GetZone( zoneIndex );
+						}
+
+						// move to bombsite - if we reach it, we'll update its cleared status, causing us to select another
+						if (zone)
+						{
+							const Vector *pos = TheCSBots()->GetRandomPositionInZone( zone );
+							if (pos)
+							{
+								me->SetTask( CCSBot::FIND_TICKING_BOMB );
+								me->MoveTo( *pos );
+								return;
+							}
+						}
+					}
+					AssertMsg( 0, "A CT bot doesn't know what to do while the bomb is planted!\n" );
+				}
+
+
+				// if we have a sniper rifle, we like to camp, whether rogue or not
+				if (me->IsSniper() && !me->IsSafe())
+				{
+					if (RandomFloat( 0, 100 ) <= defenseSniperCampChance)
+					{
+						CNavArea *snipingArea = NULL;
+
+						// if the bomb is loose, snipe near it
+						const Vector *bombPos = me->GetGameState()->GetBombPosition();
+						if (me->GetGameState()->IsLooseBombLocationKnown() && bombPos)
+						{
+							snipingArea = TheNavMesh->GetNearestNavArea( *bombPos );
+							me->PrintIfWatched( "Sniping near loose bomb\n" );
+						}
+						else
+						{
+							// snipe bomb zone(s)
+							const CCSBotManager::Zone *zone = TheCSBots()->GetRandomZone();
+							if (zone)
+							{
+								snipingArea = TheCSBots()->GetRandomAreaInZone( zone );
+								me->PrintIfWatched( "Sniping near bombsite\n" );
+							}
+						}
+
+						if (snipingArea)
+						{
+							me->SetTask( CCSBot::MOVE_TO_SNIPER_SPOT );
+							me->Hide( snipingArea, -1.0, sniperHideRange );
+							me->SetDisposition( CCSBot::OPPORTUNITY_FIRE );
+							return;
+						}
+					}
+				}
+
+				// rogues just hunt, unless they want to snipe
+				// if the whole team has decided to rush, hunt
+				// if we know the bomb is dropped, hunt for enemies and the loose bomb
+				if (me->IsRogue() || TheCSBots()->IsDefenseRushing() || me->GetGameState()->IsLooseBombLocationKnown())
+				{
+					me->Hunt();
+					return;
+				}
+
+				// the lower our morale gets, the more we want to camp the bomb zone(s)
+				// only decide to camp at the start of the round, or if we haven't seen anything for a long time
+				if (me->IsSafe() || me->HasNotSeenEnemyForLongTime())
+				{
+					float guardBombsiteChance = -34.0f * me->GetMorale();
+
+					if (RandomFloat( 0.0f, 100.0f ) < guardBombsiteChance)
+					{
+						float guardRange = 500.0f + 100.0f * (me->GetMorale() + 3);
+
+						// guard bomb zone(s)
+						const CCSBotManager::Zone *zone = TheCSBots()->GetRandomZone();
+						if (zone)
+						{
+							CNavArea *area = TheCSBots()->GetRandomAreaInZone( zone );
+							if (area)
+							{
+								me->PrintIfWatched( "I'm guarding a bombsite\n" );
+								me->GetChatter()->GuardingBombsite( area->GetPlace() );
+								me->SetTask( CCSBot::GUARD_BOMB_ZONE );
+								me->Hide( area, -1.0, guardRange );
+								me->SetDisposition( CCSBot::OPPORTUNITY_FIRE );
+								return;
+							}
+						}
+					}
+
+					// at the start of the round, we may decide to defend "initial encounter" areas
+					// where we will first meet the enemy rush
+					if (me->IsSafe())
+					{
+						float defendRushChance = -17.0f * (me->GetMorale() - 2);
+
+						if (me->IsSniper() || RandomFloat( 0.0f, 100.0f ) < defendRushChance)
+						{
+							if (me->MoveToInitialEncounter())
+							{
+								me->PrintIfWatched( "I'm guarding an initial encounter area\n" );
+								me->SetTask( CCSBot::GUARD_INITIAL_ENCOUNTER );
+								me->SetDisposition( CCSBot::OPPORTUNITY_FIRE );
+								return;
+							}
+						}
+					}
+				}
+			}
+
+			break;
+		}
+
+		//======================================================================================================
+		case CCSBotManager::SCENARIO_ESCORT_VIP:
+		{
+			if (me->GetTeamNumber() == TEAM_TERRORIST)
+			{
+				// if we have a sniper rifle, we like to camp, whether rogue or not
+				if (me->IsSniper())
+				{
+					if (RandomFloat( 0, 100 ) <= defenseSniperCampChance)
+					{
+						// snipe escape zone(s)
+						const CCSBotManager::Zone *zone = TheCSBots()->GetRandomZone();
+						if (zone)
+						{
+							CNavArea *area = TheCSBots()->GetRandomAreaInZone( zone );
+							if (area)
+							{
+								me->SetTask( CCSBot::MOVE_TO_SNIPER_SPOT );
+								me->Hide( area, -1.0, sniperHideRange );
+								me->SetDisposition( CCSBot::OPPORTUNITY_FIRE );
+								me->PrintIfWatched( "Sniping near escape zone\n" );
+								return;
+							}
+						}
+					}
+				}
+
+				// rogues just hunt, unless they want to snipe
+				// if the whole team has decided to rush, hunt
+				if (me->IsRogue() || TheCSBots()->IsDefenseRushing())
+					break;
+
+				// the lower our morale gets, the more we want to camp the escape zone(s)
+				float guardEscapeZoneChance = -34.0f * me->GetMorale();
+
+				if (RandomFloat( 0.0f, 100.0f ) < guardEscapeZoneChance)
+				{
+					// guard escape zone(s)
+					const CCSBotManager::Zone *zone = TheCSBots()->GetRandomZone();
+					if (zone)
+					{
+						CNavArea *area = TheCSBots()->GetRandomAreaInZone( zone );
+						if (area)
+						{
+							// guard the escape zone - stay closer if our morale is low
+							me->SetTask( CCSBot::GUARD_VIP_ESCAPE_ZONE );
+							me->PrintIfWatched( "I'm guarding an escape zone\n" );
+
+							float escapeGuardRange = 750.0f + 250.0f * (me->GetMorale() + 3);
+							me->Hide( area, -1.0, escapeGuardRange );
+
+							me->SetDisposition( CCSBot::OPPORTUNITY_FIRE );
+							return;
+						}
+					}
+				}
+			}
+			else	// CT
+			{
+				if (me->m_bIsVIP)
+				{
+					// if early in round, pick a random zone, otherwise pick closest zone
+					const float earlyTime = 20.0f;
+					const CCSBotManager::Zone *zone = NULL;
+
+					if (TheCSBots()->GetElapsedRoundTime() < earlyTime)
+					{
+						// pick random zone
+						zone = TheCSBots()->GetRandomZone();
+					}
+					else
+					{
+						// pick closest zone
+						zone = TheCSBots()->GetClosestZone( me->GetLastKnownArea(), PathCost( me ) );
+					}
+
+					if (zone)
+					{
+						// pick a random spot within the escape zone
+						const Vector *pos = TheCSBots()->GetRandomPositionInZone( zone );
+						if (pos)
+						{
+							// move to escape zone
+							me->SetTask( CCSBot::VIP_ESCAPE );
+							me->Run();
+							me->MoveTo( *pos );
+
+							// tell team to follow
+							const float repeatTime = 30.0f;
+							if (me->GetFriendsRemaining() && 
+									TheCSBots()->GetRadioMessageInterval( RADIO_FOLLOW_ME, me->GetTeamNumber() ) > repeatTime)
+								me->SendRadioMessage( RADIO_FOLLOW_ME );
+							return;
+						}
+					}
+				}
+				else
+				{
+					// small chance of sniper camping on offense, if we aren't VIP
+					if (me->GetFriendsRemaining() && me->IsSniper() && RandomFloat( 0, 100.0f ) < offenseSniperCampChance)
+					{
+						me->SetTask( CCSBot::MOVE_TO_SNIPER_SPOT );
+						me->Hide( me->GetLastKnownArea(), RandomFloat( 10.0f, 30.0f ), sniperHideRange );
+						me->SetDisposition( CCSBot::OPPORTUNITY_FIRE );
+						me->PrintIfWatched( "Sniping!\n" );
+						return;
+					}
+				}
+			}
+			break;
+		}
+
+		//======================================================================================================
+		case CCSBotManager::SCENARIO_RESCUE_HOSTAGES:
+		{
+			if (me->GetTeamNumber() == TEAM_TERRORIST)
+			{
+				bool campHostages;
+
+				// if we are in early game, camp the hostages
+				if (me->IsSafe())
+				{
+					campHostages = true;
+				}
+				else if (me->GetGameState()->HaveSomeHostagesBeenTaken() || me->GetGameState()->AreAllHostagesBeingRescued())
+				{
+					campHostages = false;
+				}
+				else
+				{
+					// later in the game, camp either hostages or escape zone
+					const float campZoneChance = 100.0f * (TheCSBots()->GetElapsedRoundTime() - me->GetSafeTime())/120.0f;
+
+					campHostages = (RandomFloat( 0, 100 ) > campZoneChance) ? true : false; 
+				}
+
+
+				// if we have a sniper rifle, we like to camp, whether rogue or not
+				if (me->IsSniper())
+				{
+					// the at start of the round, snipe the initial rush
+					if (me->IsSafe())
+					{
+						if (me->MoveToInitialEncounter())
+						{
+							me->PrintIfWatched( "I'm sniping an initial encounter area\n" );
+							me->SetTask( CCSBot::GUARD_INITIAL_ENCOUNTER );
+							me->SetDisposition( CCSBot::OPPORTUNITY_FIRE );
+							return;
+						}
+					}
+
+					if (RandomFloat( 0, 100 ) <= defenseSniperCampChance)
+					{
+						const Vector *hostagePos = me->GetGameState()->GetRandomFreeHostagePosition();
+						if (hostagePos && campHostages)
+						{
+							me->SetTask( CCSBot::MOVE_TO_SNIPER_SPOT );
+							me->PrintIfWatched( "Sniping near hostages\n" );
+							me->Hide( TheNavMesh->GetNearestNavArea( *hostagePos ), -1.0, sniperHideRange );
+							me->SetDisposition( CCSBot::OPPORTUNITY_FIRE );
+							return;
+						}
+						else
+						{
+							// camp the escape zone(s)
+							if (me->GuardRandomZone( sniperHideRange ))
+							{
+								me->SetTask( CCSBot::MOVE_TO_SNIPER_SPOT );
+								me->PrintIfWatched( "Sniping near a rescue zone\n" );
+								me->SetDisposition( CCSBot::OPPORTUNITY_FIRE );
+								return;
+							}
+						}
+					}
+				}
+
+				// if safe time is up, and we stumble across a hostage, guard it
+				if (!me->IsSafe() && !me->IsRogue())
+				{
+					CBaseEntity *hostage = me->GetGameState()->GetNearestVisibleFreeHostage();
+					if (hostage)
+					{
+						// we see a free hostage, guard it
+						CNavArea *area = TheNavMesh->GetNearestNavArea( GetCentroid( hostage ) );
+						if (area)
+						{
+							me->SetTask( CCSBot::GUARD_HOSTAGES );
+							me->Hide( area );
+							me->PrintIfWatched( "I'm guarding hostages I found\n" );
+							// don't chatter here - he'll tell us when he's in his hiding spot
+							return;
+						}
+					}
+				}
+
+
+				// decide if we want to hunt, or guard
+				const float huntChance = 70.0f + 25.0f * me->GetMorale();
+
+				// rogues just hunt, unless they want to snipe
+				// if the whole team has decided to rush, hunt
+				if (me->GetFriendsRemaining())
+				{
+					if (me->IsRogue() || TheCSBots()->IsDefenseRushing() || RandomFloat( 0, 100 ) < huntChance)
+					{
+						me->Hunt();
+						return;
+					}
+				}
+
+				// at the start of the round, we may decide to defend "initial encounter" areas
+				// where we will first meet the enemy rush
+				if (me->IsSafe())
+				{
+					float defendRushChance = -17.0f * (me->GetMorale() - 2);
+
+					if (me->IsSniper() || RandomFloat( 0.0f, 100.0f ) < defendRushChance)
+					{
+						if (me->MoveToInitialEncounter())
+						{
+							me->PrintIfWatched( "I'm guarding an initial encounter area\n" );
+							me->SetTask( CCSBot::GUARD_INITIAL_ENCOUNTER );
+							me->SetDisposition( CCSBot::OPPORTUNITY_FIRE );
+							return;
+						}
+					}
+				}
+
+
+				// decide whether to camp the hostages or the escape zones
+				const Vector *hostagePos = me->GetGameState()->GetRandomFreeHostagePosition();
+				if (hostagePos && campHostages)
+				{
+					CNavArea *area = TheNavMesh->GetNearestNavArea( *hostagePos );
+					if (area)
+					{
+						// guard the hostages - stay closer to hostages if our morale is low
+						me->SetTask( CCSBot::GUARD_HOSTAGES );
+						me->PrintIfWatched( "I'm guarding hostages\n" );
+
+						float hostageGuardRange = 750.0f + 250.0f * (me->GetMorale() + 3);			// 2000
+						me->Hide( area, -1.0, hostageGuardRange );
+						me->SetDisposition( CCSBot::OPPORTUNITY_FIRE );
+
+						if (RandomFloat( 0, 100 ) < 50)
+							me->GetChatter()->GuardingHostages( area->GetPlace(), IS_PLAN );
+
+						return;
+					}
+				}
+
+				// guard rescue zone(s)
+				if (me->GuardRandomZone())
+				{
+					me->SetTask( CCSBot::GUARD_HOSTAGE_RESCUE_ZONE );
+					me->PrintIfWatched( "I'm guarding a rescue zone\n" );
+					me->SetDisposition( CCSBot::OPPORTUNITY_FIRE );
+					me->GetChatter()->GuardingHostageEscapeZone( IS_PLAN );
+					return;
+				}
+			}
+			else	// CT ---------------------------------------------------------------------------------
+			{
+				// only decide to do something else if we aren't already rescuing hostages
+				if (!me->GetHostageEscortCount())
+				{
+					// small chance of sniper camping on offense
+					if (me->GetFriendsRemaining() && me->IsSniper() && RandomFloat( 0, 100.0f ) < offenseSniperCampChance)
+					{
+						me->SetTask( CCSBot::MOVE_TO_SNIPER_SPOT );
+						me->Hide( me->GetLastKnownArea(), RandomFloat( 10.0f, 30.0f ), sniperHideRange );
+						me->SetDisposition( CCSBot::OPPORTUNITY_FIRE );
+						me->PrintIfWatched( "Sniping!\n" );
+						return;
+					}
+
+					if (me->GetFriendsRemaining() && !me->GetHostageEscortCount())
+					{
+						// rogues just hunt, unless all friends are dead
+						// if we have friends left, we might go hunting instead of hostage rescuing
+						const float huntChance = 33.3f;
+						if (me->IsRogue() || RandomFloat( 0.0f, 100.0f ) < huntChance)
+						{
+							me->Hunt();
+							return;
+						}
+					}
+				}
+
+				// at the start of the round, we may decide to defend "initial encounter" areas
+				// where we will first meet the enemy rush
+				if (me->IsSafe())
+				{
+					float defendRushChance = -17.0f * (me->GetMorale() - 2);
+
+					if (me->IsSniper() || RandomFloat( 0.0f, 100.0f ) < defendRushChance)
+					{
+						if (me->MoveToInitialEncounter())
+						{
+							me->PrintIfWatched( "I'm guarding an initial encounter area\n" );
+							me->SetTask( CCSBot::GUARD_INITIAL_ENCOUNTER );
+							me->SetDisposition( CCSBot::OPPORTUNITY_FIRE );
+							return;
+						}
+					}
+				}
+
+				// look for free hostages - CT's have radar so they know where hostages are at all times
+				CHostage *hostage = me->GetGameState()->GetNearestFreeHostage();
+
+				// if we are not allowed to do the scenario, guard the hostages to clear the area for the human(s)
+				if (!me->IsDoingScenario())
+				{
+					if (hostage)
+					{		
+						CNavArea *area = TheNavMesh->GetNearestNavArea( GetCentroid( hostage ) );
+						if (area)
+						{
+							me->SetTask( CCSBot::GUARD_HOSTAGES );
+							me->Hide( area );
+							me->PrintIfWatched( "I'm securing the hostages for a human to rescue\n" );
+							return;
+						}
+					}
+
+					me->Hunt();
+					return;
+				}
+
+
+				bool fetchHostages = false;
+				bool rescueHostages = false;
+				const CCSBotManager::Zone *zone = NULL;
+				me->SetGoalEntity( NULL );
+
+				// if we are escorting hostages, determine where to take them
+				if (me->GetHostageEscortCount())
+					zone = TheCSBots()->GetClosestZone( me->GetLastKnownArea(), PathCost( me, FASTEST_ROUTE ) );
+
+				// if we are escorting hostages and there are more hostages to rescue, 
+				// determine whether it's faster to rescue the ones we have, or go get the remaining ones
+				if (hostage)
+				{
+					Vector hostageOrigin = GetCentroid( hostage );
+
+					if (zone)
+					{
+						PathCost cost( me, FASTEST_ROUTE );
+						float toZone = NavAreaTravelDistance( me->GetLastKnownArea(), zone->m_area[0], cost  );
+						float toHostage = NavAreaTravelDistance( me->GetLastKnownArea(), TheNavMesh->GetNearestNavArea( GetCentroid( hostage ) ), cost );
+
+						if (toHostage < 0.0f)
+						{
+							rescueHostages = true;
+						}
+						else
+						{
+							if (toZone < toHostage)
+								rescueHostages = true;
+							else
+								fetchHostages = true;
+						}
+					}
+					else
+					{
+						fetchHostages = true;
+					}
+				}
+				else if (zone)
+				{
+					rescueHostages = true;
+				}
+
+
+				if (fetchHostages)
+				{
+					// go get hostages
+					me->SetTask( CCSBot::COLLECT_HOSTAGES );
+					me->Run();
+					me->SetGoalEntity( hostage );
+					me->ResetWaitForHostagePatience();
+
+					// if we already have some hostages, move to the others by the quickest route
+					RouteType route = (me->GetHostageEscortCount()) ? FASTEST_ROUTE : SAFEST_ROUTE;
+					me->MoveTo( GetCentroid( hostage ), route );
+
+					me->PrintIfWatched( "I'm collecting hostages\n" );
+					return;
+				}
+
+				const Vector *zonePos = TheCSBots()->GetRandomPositionInZone( zone );
+				if (rescueHostages && zonePos)
+				{
+					me->SetTask( CCSBot::RESCUE_HOSTAGES );
+					me->Run();
+					me->SetDisposition( CCSBot::SELF_DEFENSE );
+					me->MoveTo( *zonePos, FASTEST_ROUTE );
+					me->PrintIfWatched( "I'm rescuing hostages\n" );
+					me->GetChatter()->EscortingHostages();
+					return;
+				}
+			}
+			break;
+		}
+
+		default:	// deathmatch
+		{
+			// sniping check
+			if (me->GetFriendsRemaining() && me->IsSniper() && RandomFloat( 0, 100.0f ) < offenseSniperCampChance)
+			{
+				me->SetTask( CCSBot::MOVE_TO_SNIPER_SPOT );
+				me->Hide( me->GetLastKnownArea(), RandomFloat( 10.0f, 30.0f ), sniperHideRange );
+				me->SetDisposition( CCSBot::OPPORTUNITY_FIRE );
+				me->PrintIfWatched( "Sniping!\n" );
+				return;
+			}
+			break;
+		}
+	}
+
+	// if we have nothing special to do, go hunting for enemies
+	me->Hunt();
+}
+

game/server/cstrike/bot/states/cs_bot_investigate_noise.cpp

@@ -0,0 +1,139 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#include "cbase.h"
+#include "cs_bot.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Move towards currently heard noise
+ */
+void InvestigateNoiseState::AttendCurrentNoise( CCSBot *me )
+{
+	if (!me->IsNoiseHeard() && me->GetNoisePosition())
+		return;
+
+	// remember where the noise we heard was
+	m_checkNoisePosition = *me->GetNoisePosition();
+
+	// tell our teammates (unless the noise is obvious, like gunfire)
+	if (me->IsWellPastSafe() && me->HasNotSeenEnemyForLongTime() && me->GetNoisePriority() != PRIORITY_HIGH)
+		me->GetChatter()->HeardNoise( *me->GetNoisePosition() );
+
+	// figure out how to get to the noise		
+	me->PrintIfWatched( "Attending to noise...\n" );
+	me->ComputePath( m_checkNoisePosition, FASTEST_ROUTE );
+
+	const float minAttendTime = 3.0f;
+	const float maxAttendTime = 10.0f;
+	m_minTimer.Start( RandomFloat( minAttendTime, maxAttendTime ) );
+
+	// consume the noise
+	me->ForgetNoise();
+}
+
+//--------------------------------------------------------------------------------------------------------------
+void InvestigateNoiseState::OnEnter( CCSBot *me )
+{
+	AttendCurrentNoise( me );
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * @todo Use TravelDistance instead of distance...
+ */
+void InvestigateNoiseState::OnUpdate( CCSBot *me )
+{
+	Vector myOrigin = GetCentroid( me );
+
+	// keep an ear out for closer noises...
+	if (m_minTimer.IsElapsed())
+	{
+		const float nearbyRange = 500.0f;
+		if (me->HeardInterestingNoise() && me->GetNoiseRange() < nearbyRange)
+		{
+			// new sound is closer
+			AttendCurrentNoise( me );
+		}
+	}
+
+
+	// if the pathfind fails, give up
+	if (!me->HasPath())
+	{
+		me->Idle();
+		return;
+	}
+
+	// look around
+	me->UpdateLookAround();
+
+	// get distance remaining on our path until we reach the source of the noise
+	float range = me->GetPathDistanceRemaining();
+
+	if (me->IsUsingKnife())
+	{
+		if (me->IsHurrying())
+			me->Run();
+		else
+			me->Walk();
+	}
+	else
+	{
+		const float closeToNoiseRange = 1500.0f;
+		if (range < closeToNoiseRange)
+		{
+			// if we dont have many friends left, or we are alone, and we are near noise source, sneak quietly
+			if ((me->GetNearbyFriendCount() == 0 || me->GetFriendsRemaining() <= 2) && !me->IsHurrying())
+			{
+				me->Walk();
+			}
+			else
+			{
+				me->Run();
+			}
+		}
+		else
+		{
+			me->Run();
+		}
+	}
+
+
+	// if we can see the noise position and we're close enough to it and looking at it, 
+	// we don't need to actually move there (it's checked enough)
+	const float closeRange = 500.0f;
+	if (range < closeRange)
+	{
+		if (me->IsVisible( m_checkNoisePosition, CHECK_FOV ))
+		{
+			// can see noise position
+			me->PrintIfWatched( "Noise location is clear.\n" );
+			me->ForgetNoise();
+			me->Idle();
+			return;
+		}
+	}
+
+	// move towards noise
+	if (me->UpdatePathMovement() != CCSBot::PROGRESSING)
+	{
+		me->Idle();
+	}
+}
+
+//--------------------------------------------------------------------------------------------------------------
+void InvestigateNoiseState::OnExit( CCSBot *me )
+{
+	// reset to run mode in case we were sneaking about
+	me->Run();
+}

game/server/cstrike/bot/states/cs_bot_move_to.cpp

@@ -0,0 +1,366 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#include "cbase.h"
+#include "cs_simple_hostage.h"
+#include "cs_bot.h"
+#include "cs_gamerules.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Move to a potentially far away position.
+ */
+void MoveToState::OnEnter( CCSBot *me )
+{
+	if (me->IsUsingKnife() && me->IsWellPastSafe() && !me->IsHurrying())
+	{
+		me->Walk();
+	}
+	else
+	{
+		me->Run();
+	}
+
+
+	// if we need to find the bomb, get there as quick as we can
+	RouteType route;
+	switch (me->GetTask())
+	{
+		case CCSBot::FIND_TICKING_BOMB:
+		case CCSBot::DEFUSE_BOMB:
+		case CCSBot::MOVE_TO_LAST_KNOWN_ENEMY_POSITION:
+			route = FASTEST_ROUTE;
+			break;
+
+		default:
+			route = SAFEST_ROUTE;
+			break;
+	}
+		
+	// build path to, or nearly to, goal position
+	me->ComputePath( m_goalPosition, route );
+
+	m_radioedPlan = false;
+	m_askedForCover = false;
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Move to a potentially far away position.
+ */
+void MoveToState::OnUpdate( CCSBot *me )
+{
+	Vector myOrigin = GetCentroid( me );
+
+	// assume that we are paying attention and close enough to know our enemy died
+	if (me->GetTask() == CCSBot::MOVE_TO_LAST_KNOWN_ENEMY_POSITION)
+	{
+		/// @todo Account for reaction time so we take some time to realized the enemy is dead
+		CBasePlayer *victim = static_cast<CBasePlayer *>( me->GetTaskEntity() );
+		if (victim == NULL || !victim->IsAlive())
+		{
+			me->PrintIfWatched( "The enemy I was chasing was killed - giving up.\n" );
+			me->Idle();
+			return;
+		}
+	}
+
+	// look around
+	me->UpdateLookAround();
+
+	//
+	// Scenario logic
+	//
+	switch (TheCSBots()->GetScenario())
+	{
+		case CCSBotManager::SCENARIO_DEFUSE_BOMB:
+		{
+			// if the bomb has been planted, find it
+			// NOTE: This task is used by both CT and T's to find the bomb
+			if (me->GetTask() == CCSBot::FIND_TICKING_BOMB)
+			{
+				if (!me->GetGameState()->IsBombPlanted())
+				{
+					// the bomb is not planted - give up this task
+					me->Idle();
+					return;
+				}
+
+				if (me->GetGameState()->GetPlantedBombsite() != CSGameState::UNKNOWN)
+				{
+					// we know where the bomb is planted, stop searching
+					me->Idle();
+					return;
+				}
+
+				// check off bombsites that we explore or happen to stumble into
+				for( int z=0; z<TheCSBots()->GetZoneCount(); ++z )
+				{
+					// don't re-check zones
+					if (me->GetGameState()->IsBombsiteClear( z ))
+						continue;
+
+					if (TheCSBots()->GetZone(z)->m_extent.Contains( myOrigin ))
+					{
+						// note this bombsite is clear
+						me->GetGameState()->ClearBombsite( z );
+
+						if (me->GetTeamNumber() == TEAM_CT)
+						{
+							// tell teammates this bombsite is clear
+							me->GetChatter()->BombsiteClear( z );
+						}
+
+						// find another zone to check
+						me->Idle();
+
+						return;
+					}
+				}
+
+				// move to a bombsite
+				break;
+			}
+
+
+			if (me->GetTeamNumber() == TEAM_CT)
+			{
+				if (me->GetGameState()->IsBombPlanted())
+				{
+					switch( me->GetTask() )
+					{
+						case CCSBot::DEFUSE_BOMB:
+						{	
+							// if we are near the bombsite and there is time left, sneak in (unless all enemies are dead)
+							if (me->GetEnemiesRemaining())
+							{
+								const float plentyOfTime = 15.0f;
+								if (TheCSBots()->GetBombTimeLeft() > plentyOfTime)
+								{
+									// get distance remaining on our path until we reach the bombsite
+									float range = me->GetPathDistanceRemaining();
+
+									const float closeRange = 1500.0f;
+									if (range < closeRange)
+									{
+										me->Walk();
+									}
+									else
+									{
+										me->Run();
+									}
+								}
+							}
+							else
+							{
+								// everyone is dead - run!
+								me->Run();
+							}
+
+							// if we are trying to defuse the bomb, and someone has started defusing, guard them instead
+							if (me->CanSeePlantedBomb() && TheCSBots()->GetBombDefuser())
+							{
+								me->GetChatter()->Say( "CoveringFriend" );
+								me->Idle();
+								return;
+							}
+
+
+							// if we are near the bomb, defuse it (if we are reloading, don't try to defuse until we finish)
+							const Vector *bombPos = me->GetGameState()->GetBombPosition();
+							if (bombPos && !me->IsReloading())
+							{
+								const float defuseRange = 100.0f;		// 50
+								if ((*bombPos - me->EyePosition()).IsLengthLessThan( defuseRange ))
+								{
+									// make sure we can see the bomb
+									if (me->IsVisible( *bombPos ))
+									{
+										me->DefuseBomb();
+										return;
+									}
+								}
+							}
+
+							break;
+						}
+
+						default:
+						{
+							// we need to find the bomb
+							me->Idle();
+							return;
+						}
+					}
+				}
+			}
+			else		// TERRORIST
+			{
+				if (me->GetTask() == CCSBot::PLANT_BOMB )
+				{
+					if (  me->GetFriendsRemaining() )
+					{
+						// if we are about to plant, radio for cover
+						if (!m_askedForCover)
+						{
+							const float nearPlantSite = 50.0f;
+							if (me->IsAtBombsite() && me->GetPathDistanceRemaining() < nearPlantSite)
+							{
+								// radio to the team
+								me->GetChatter()->PlantingTheBomb( me->GetPlace() );
+								m_askedForCover = true;
+							}
+
+							// after we have started to move to the bombsite, tell team we're going to plant, and where
+							// don't do this if we have already radioed that we are starting to plant
+							if (!m_radioedPlan)
+							{
+								const float radioTime = 2.0f;
+								if (gpGlobals->curtime - me->GetStateTimestamp() > radioTime)
+								{
+									// radio to the team if we're more than 10 seconds (2400 units) out
+									const float nearPlantSite = 2400.0f;
+									if ( me->GetPathDistanceRemaining() >= nearPlantSite )
+									{
+										me->GetChatter()->GoingToPlantTheBomb( TheNavMesh->GetPlace( m_goalPosition ) );
+									}
+									m_radioedPlan = true;
+								}
+							}
+						}
+					}
+				}
+			}
+			break;
+		}
+
+		//--------------------------------------------------------------------------------------------------
+		case CCSBotManager::SCENARIO_RESCUE_HOSTAGES:
+		{
+			if (me->GetTask() == CCSBot::COLLECT_HOSTAGES)
+			{
+				//
+				// Since CT's have a radar, they can directly look at the actual hostage state
+				//
+
+				// check if someone else collected our hostage, or the hostage died or was rescued
+				CHostage *hostage = static_cast<CHostage *>( me->GetGoalEntity() );
+				if (hostage == NULL || !hostage->IsValid() || hostage->IsFollowingSomeone())
+				{
+					me->Idle();
+					return;
+				}
+
+				Vector hostageOrigin = GetCentroid( hostage );
+
+				// if our hostage has moved, repath
+				const float repathToleranceSq = 75.0f * 75.0f;
+				float error = (hostageOrigin - m_goalPosition).LengthSqr();
+				if (error > repathToleranceSq)
+				{
+					m_goalPosition = hostageOrigin;
+					me->ComputePath( m_goalPosition, SAFEST_ROUTE );
+				}
+
+				/// @todo Generalize ladder priorities over other tasks
+				if (!me->IsUsingLadder())
+				{
+					Vector pos = hostage->EyePosition();
+					Vector to = pos - me->EyePosition(); // "Use" checks from eye position, so we should too
+
+					// look at the hostage as we approach
+					const float watchHostageRange = 100.0f;
+					if (to.IsLengthLessThan( watchHostageRange ))
+					{
+						me->SetLookAt( "Hostage", pos, PRIORITY_LOW, 0.5f );
+
+						// randomly move just a bit to avoid infinite use loops from bad hostage placement
+						NavRelativeDirType dir = (NavRelativeDirType)RandomInt( 0, 3 );
+						switch( dir )
+						{
+							case LEFT:		me->StrafeLeft(); break;
+							case RIGHT:		me->StrafeRight(); break;
+							case FORWARD:	me->MoveForward(); break;
+							case BACKWARD:	me->MoveBackward(); break;
+						}
+
+						// check if we are close enough to the hostage to talk to him
+						const float useRange = PLAYER_USE_RADIUS - 10.0f; // shave off a fudge factor to make sure we're within range
+						if (to.IsLengthLessThan( useRange ))
+						{
+							me->UseEntity( me->GetGoalEntity() );					
+							return;
+						}
+					}
+				}
+			}
+			else if (me->GetTask() == CCSBot::RESCUE_HOSTAGES)
+			{
+				// periodically check if we lost all our hostages
+				if (me->GetHostageEscortCount() == 0)
+				{
+					// lost our hostages - go get 'em
+					me->Idle();
+					return;
+				}
+			}
+
+			break;
+		}
+	}
+
+
+	if (me->UpdatePathMovement() != CCSBot::PROGRESSING)
+	{
+		// reached destination
+		switch( me->GetTask() )
+		{
+			case CCSBot::PLANT_BOMB:
+				// if we are at bombsite with the bomb, plant it
+				if (me->IsAtBombsite() && me->HasC4())
+				{
+					me->PlantBomb();
+					return;
+				}
+				break;
+		
+			case CCSBot::MOVE_TO_LAST_KNOWN_ENEMY_POSITION:
+			{
+				CBasePlayer *victim = static_cast<CBasePlayer *>( me->GetTaskEntity() );
+				if (victim && victim->IsAlive())
+				{
+					// if we got here and haven't re-acquired the enemy, we lost him
+					BotStatement *say = new BotStatement( me->GetChatter(), REPORT_ENEMY_LOST, 8.0f );
+
+					say->AppendPhrase( TheBotPhrases->GetPhrase( "LostEnemy" ) );
+					say->SetStartTime( gpGlobals->curtime + RandomFloat( 3.0f, 5.0f ) );
+
+					me->GetChatter()->AddStatement( say );
+				}
+				break;
+			}
+		}
+
+		// default behavior when destination is reached
+		me->Idle();
+		return;
+	}
+}
+
+//--------------------------------------------------------------------------------------------------------------
+void MoveToState::OnExit( CCSBot *me )
+{
+	// reset to run in case we were walking near our goal position
+	me->Run();
+	me->SetDisposition( CCSBot::ENGAGE_AND_INVESTIGATE );
+	//me->StopAiming();
+}

game/server/cstrike/bot/states/cs_bot_open_door.cpp

@@ -0,0 +1,94 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), April 2005
+
+#include "cbase.h"
+#include "cs_bot.h"
+#include "BasePropDoor.h"
+#include "doors.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+
+//-------------------------------------------------------------------------------------------------
+/**
+ * Face the door and open it.
+ * NOTE: This state assumes we are standing in range of the door to be opened, with no obstructions.
+ */
+void OpenDoorState::OnEnter( CCSBot *me )
+{
+	m_isDone = false;
+	m_timeout.Start( 1.0f );
+}
+
+
+//-------------------------------------------------------------------------------------------------
+void OpenDoorState::SetDoor( CBaseEntity *door )
+{
+	CBaseDoor *funcDoor = dynamic_cast< CBaseDoor * >(door);
+	if ( funcDoor )
+	{
+		m_funcDoor = funcDoor;
+		return;
+	}
+
+	CBasePropDoor *propDoor = dynamic_cast< CBasePropDoor * >(door);
+	if ( propDoor )
+	{
+		m_propDoor = propDoor;
+		return;
+	}
+}
+
+
+//-------------------------------------------------------------------------------------------------
+void OpenDoorState::OnUpdate( CCSBot *me )
+{
+	me->ResetStuckMonitor();
+
+	// wait for door to swing open before leaving state
+	if (m_timeout.IsElapsed())
+	{
+		m_isDone = true;
+		return;
+	}
+
+	// look at the door
+	Vector pos;
+	bool isDoorMoving = false;
+	if ( m_funcDoor )
+	{
+		pos = m_funcDoor->WorldSpaceCenter();
+		isDoorMoving = m_funcDoor->m_toggle_state == TS_GOING_UP || m_funcDoor->m_toggle_state == TS_GOING_DOWN;
+	}
+	else
+	{
+		pos = m_propDoor->WorldSpaceCenter();
+		isDoorMoving = m_propDoor->IsDoorOpening() || m_propDoor->IsDoorClosing();
+	}
+
+	me->SetLookAt( "Open door", pos, PRIORITY_HIGH );
+
+	// if we are looking at the door, "use" it and exit
+	if (me->IsLookingAtPosition( pos ))
+	{
+		me->UseEnvironment();
+	}
+}
+
+
+//-------------------------------------------------------------------------------------------------
+void OpenDoorState::OnExit( CCSBot *me )
+{
+	me->ClearLookAt();
+	me->ResetStuckMonitor();
+}
+
+
+

game/server/cstrike/bot/states/cs_bot_plant_bomb.cpp

@@ -0,0 +1,79 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#include "cbase.h"
+#include "cs_bot.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Plant the bomb.
+ */
+void PlantBombState::OnEnter( CCSBot *me )
+{
+	me->Crouch();
+	me->SetDisposition( CCSBot::SELF_DEFENSE );
+
+	// look at the floor
+//	Vector down( myOrigin.x, myOrigin.y, -1000.0f );
+
+	float yaw = me->EyeAngles().y;
+	Vector2D dir( BotCOS(yaw), BotSIN(yaw) );
+	Vector myOrigin = GetCentroid( me );
+
+	Vector down( myOrigin.x + 10.0f * dir.x, myOrigin.y + 10.0f * dir.y, me->GetFeetZ() );
+	me->SetLookAt( "Plant bomb on floor", down, PRIORITY_HIGH );
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Plant the bomb.
+ */
+void PlantBombState::OnUpdate( CCSBot *me )
+{
+	CBaseCombatWeapon *gun = me->GetActiveWeapon();
+	bool holdingC4 = false;
+	if (gun)
+	{
+		if (FStrEq( gun->GetClassname(), "weapon_c4" ))
+			holdingC4 = true;
+	}
+
+	// if we aren't holding the C4, grab it, otherwise plant it
+	if (holdingC4)
+		me->PrimaryAttack();
+	else
+		me->SelectItem( "weapon_c4" );
+
+	// if we no longer have the C4, we've successfully planted
+	if (!me->HasC4())
+	{
+		// move to a hiding spot and watch the bomb
+		me->SetTask( CCSBot::GUARD_TICKING_BOMB );
+		me->Hide();
+	}
+
+	// if we time out, it's because we slipped into a non-plantable area
+	const float timeout = 5.0f;
+	if (gpGlobals->curtime - me->GetStateTimestamp() > timeout)
+		me->Idle();
+}
+
+//--------------------------------------------------------------------------------------------------------------
+void PlantBombState::OnExit( CCSBot *me )
+{
+	// equip our rifle (in case we were interrupted while holding C4)
+	me->EquipBestWeapon();
+	me->StandUp();
+	me->ResetStuckMonitor();
+	me->SetDisposition( CCSBot::ENGAGE_AND_INVESTIGATE );
+	me->ClearLookAt();
+}

game/server/cstrike/bot/states/cs_bot_use_entity.cpp

@@ -0,0 +1,63 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#include "cbase.h"
+#include "cs_bot.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+
+/**
+ * Face the entity and "use" it
+ * NOTE: This state assumes we are standing in range of the entity to be used, with no obstructions.
+ */
+void UseEntityState::OnEnter( CCSBot *me )
+{
+}
+
+void UseEntityState::OnUpdate( CCSBot *me )
+{
+	// in the very rare situation where two or more bots "used" a hostage at the same time,
+	// one bot will fail and needs to time out of this state
+	const float useTimeout = 5.0f;
+	if (me->GetStateTimestamp() - gpGlobals->curtime > useTimeout)
+	{
+		me->Idle();
+		return;
+	}
+
+	// look at the entity
+	Vector pos = m_entity->EyePosition();
+	me->SetLookAt( "Use entity", pos, PRIORITY_HIGH );
+
+	// if we are looking at the entity, "use" it and exit
+	if (me->IsLookingAtPosition( pos ))
+	{
+		if (TheCSBots()->GetScenario() == CCSBotManager::SCENARIO_RESCUE_HOSTAGES && 
+			me->GetTeamNumber() == TEAM_CT &&
+			me->GetTask() == CCSBot::COLLECT_HOSTAGES)
+		{
+			// we are collecting a hostage, assume we were successful - the update check will correct us if we weren't
+			me->IncreaseHostageEscortCount();
+		}
+
+		me->UseEnvironment();
+		me->Idle();
+	}
+}
+
+void UseEntityState::OnExit( CCSBot *me )
+{
+	me->ClearLookAt();
+	me->ResetStuckMonitor();
+}
+
+
+

game/server/cstrike/cs_autobuy.cpp

@@ -0,0 +1,49 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Data for Autobuy and Rebuy 
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "cs_autobuy.h"
+
+// Weapon class information for each weapon including the class name and the buy command alias.
+AutoBuyInfoStruct g_autoBuyInfo[] = 
+{
+	{ (AutoBuyClassType)(AUTOBUYCLASS_PRIMARY | AUTOBUYCLASS_RIFLE), "galil", "weapon_galil" }, // galil
+	{ (AutoBuyClassType)(AUTOBUYCLASS_PRIMARY | AUTOBUYCLASS_RIFLE), "ak47", "weapon_ak47" },  // ak47
+	{ (AutoBuyClassType)(AUTOBUYCLASS_PRIMARY | AUTOBUYCLASS_SNIPERRIFLE), "scout", "weapon_scout" }, // scout
+	{ (AutoBuyClassType)(AUTOBUYCLASS_PRIMARY | AUTOBUYCLASS_RIFLE), "sg552", "weapon_sg552" }, // sg552
+	{ (AutoBuyClassType)(AUTOBUYCLASS_PRIMARY | AUTOBUYCLASS_SNIPERRIFLE), "awp", "weapon_awp" }, // awp
+	{ (AutoBuyClassType)(AUTOBUYCLASS_PRIMARY | AUTOBUYCLASS_SNIPERRIFLE), "g3sg1", "weapon_g3sg1" }, // g3sg1
+	{ (AutoBuyClassType)(AUTOBUYCLASS_PRIMARY | AUTOBUYCLASS_RIFLE), "famas", "weapon_famas" }, // famas
+	{ (AutoBuyClassType)(AUTOBUYCLASS_PRIMARY | AUTOBUYCLASS_RIFLE), "m4a1", "weapon_m4a1" }, // m4a1
+	{ (AutoBuyClassType)(AUTOBUYCLASS_PRIMARY | AUTOBUYCLASS_RIFLE), "aug", "weapon_aug" }, // aug
+	{ (AutoBuyClassType)(AUTOBUYCLASS_PRIMARY | AUTOBUYCLASS_SNIPERRIFLE), "sg550", "weapon_sg550" }, // sg550
+	{ (AutoBuyClassType)(AUTOBUYCLASS_SECONDARY | AUTOBUYCLASS_PISTOL), "glock", "weapon_glock" }, // glock
+	{ (AutoBuyClassType)(AUTOBUYCLASS_SECONDARY | AUTOBUYCLASS_PISTOL), "usp", "weapon_usp" }, // usp
+	{ (AutoBuyClassType)(AUTOBUYCLASS_SECONDARY | AUTOBUYCLASS_PISTOL), "p228", "weapon_p228" }, // p228
+	{ (AutoBuyClassType)(AUTOBUYCLASS_SECONDARY | AUTOBUYCLASS_PISTOL), "deagle", "weapon_deagle" }, // deagle
+	{ (AutoBuyClassType)(AUTOBUYCLASS_SECONDARY | AUTOBUYCLASS_PISTOL), "elite", "weapon_elite" },	// elites
+	{ (AutoBuyClassType)(AUTOBUYCLASS_SECONDARY | AUTOBUYCLASS_PISTOL), "fn57", "weapon_fiveseven" },	// fn57
+	{ (AutoBuyClassType)(AUTOBUYCLASS_PRIMARY | AUTOBUYCLASS_SHOTGUN), "m3", "weapon_m3" }, // m3
+	{ (AutoBuyClassType)(AUTOBUYCLASS_PRIMARY | AUTOBUYCLASS_SHOTGUN), "xm1014", "weapon_xm1014" },	// xm1014
+	{ (AutoBuyClassType)(AUTOBUYCLASS_PRIMARY | AUTOBUYCLASS_SMG), "mac10", "weapon_mac10" },	// mac10
+	{ (AutoBuyClassType)(AUTOBUYCLASS_PRIMARY | AUTOBUYCLASS_SMG), "tmp", "weapon_tmp" },	// tmp
+	{ (AutoBuyClassType)(AUTOBUYCLASS_PRIMARY | AUTOBUYCLASS_SMG), "mp5navy", "weapon_mp5navy" },	// mp5navy
+	{ (AutoBuyClassType)(AUTOBUYCLASS_PRIMARY | AUTOBUYCLASS_SMG), "ump45", "weapon_ump45" },	// ump45
+	{ (AutoBuyClassType)(AUTOBUYCLASS_PRIMARY | AUTOBUYCLASS_SMG), "p90", "weapon_p90" },	// p90
+	{ (AutoBuyClassType)(AUTOBUYCLASS_PRIMARY | AUTOBUYCLASS_MACHINEGUN), "m249", "weapon_m249" },	// m249
+	{ (AutoBuyClassType)(AUTOBUYCLASS_PRIMARY | AUTOBUYCLASS_AMMO), "primammo", "primammo" },	// primammo
+	{ (AutoBuyClassType)(AUTOBUYCLASS_SECONDARY | AUTOBUYCLASS_AMMO), "secammo", "secammo" }, // secmmo
+	{ (AutoBuyClassType)(AUTOBUYCLASS_ARMOR), "vest", "item_kevlar" }, // vest
+	{ (AutoBuyClassType)(AUTOBUYCLASS_ARMOR), "vesthelm", "item_assaultsuit" }, // vesthelm
+	{ (AutoBuyClassType)(AUTOBUYCLASS_GRENADE), "flashbang", "weapon_flashbang" }, // flash
+	{ (AutoBuyClassType)(AUTOBUYCLASS_GRENADE), "hegrenade", "weapon_hegrenade" }, // hegren
+	{ (AutoBuyClassType)(AUTOBUYCLASS_GRENADE), "smokegrenade", "weapon_smokegrenade" }, // sgren
+	{ (AutoBuyClassType)(AUTOBUYCLASS_NIGHTVISION), "nvgs", "nvgs" }, // nvgs
+	{ (AutoBuyClassType)(AUTOBUYCLASS_DEFUSER), "defuser", "defuser" }, // defuser
+	{ (AutoBuyClassType)(AUTOBUYCLASS_PRIMARY | AUTOBUYCLASS_SHIELD), "shield", "shield" }, // shield
+
+	{ (AutoBuyClassType)0, "", "" } // last one, must be at end.
+};

game/server/cstrike/cs_autobuy.h

@@ -0,0 +1,53 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Headers and defines for Autobuy and Rebuy 
+//
+//=============================================================================//
+
+/**
+ * Weapon classes as used by the AutoBuy
+ * Has to be different that the previous ones because these are bitmasked values as a weapon can be from
+ * more than one class.  This also includes all the classes of equipment that a player can buy.
+ */
+enum AutoBuyClassType
+{
+	AUTOBUYCLASS_PRIMARY = 1,
+	AUTOBUYCLASS_SECONDARY = 2,
+	AUTOBUYCLASS_AMMO = 4,
+	AUTOBUYCLASS_ARMOR = 8,
+	AUTOBUYCLASS_DEFUSER = 16,
+	AUTOBUYCLASS_PISTOL = 32,
+	AUTOBUYCLASS_SMG = 64,
+	AUTOBUYCLASS_RIFLE = 128,
+	AUTOBUYCLASS_SNIPERRIFLE = 256,
+	AUTOBUYCLASS_SHOTGUN = 512,
+	AUTOBUYCLASS_MACHINEGUN = 1024,
+	AUTOBUYCLASS_GRENADE = 2048,
+	AUTOBUYCLASS_NIGHTVISION = 4096,
+	AUTOBUYCLASS_SHIELD = 8192,
+};
+
+struct AutoBuyInfoStruct
+{
+	AutoBuyClassType m_class;
+	const char *m_command;
+	const char *m_classname;
+};
+
+struct RebuyStruct
+{
+	char m_szPrimaryWeapon[64];		//"weapon_" string of the primary weapon
+	char m_szSecondaryWeapon[64];	//"weapon_" string of the secondary weapon
+
+	int m_primaryAmmo;				// number of rounds the player had (not including rounds in the gun)
+	int m_secondaryAmmo;			// number of rounds the player had (not including rounds in the gun)
+	int m_heGrenade;				// number of grenades to buy
+	int m_flashbang;				// number of grenades to buy
+	int m_smokeGrenade;				// number of grenades to buy
+	int m_armor;					// 0, 1, or 2 (0 = none, 1 = vest, 2 = vest + helmet)
+
+	bool m_defuser;					// do we want a defuser
+	bool m_nightVision;				// do we want night vision
+};
+
+extern AutoBuyInfoStruct g_autoBuyInfo[];

game/server/cstrike/cs_bot_temp.cpp

@@ -0,0 +1,554 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Basic BOT handling.
+//
+// $Workfile:     $
+// $Date:         $
+//
+//-----------------------------------------------------------------------------
+// $Log: $
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "cbase.h"
+#include "cs_player.h"
+#include "in_buttons.h"
+#include "movehelper_server.h"
+#include "team.h"
+#include "cs_gamerules.h"
+#include "client.h"
+
+
+void Bot_Think( CCSPlayer *pBot );
+
+ConVar bot_forcefireweapon( "bot_forcefireweapon", "", 0, "Force bots with the specified weapon to fire." );
+ConVar bot_forceattack2( "bot_forceattack2", "0", 0, "When firing, use attack2." );
+ConVar bot_forceattackon( "bot_forceattackon", "0", 0, "When firing, don't tap fire, hold it down." );
+ConVar bot_flipout( "bot_flipout", "0", 0, "When on, all bots fire their guns." );
+ConVar bot_mimic( "bot_mimic", "0", 0, "Bot uses usercmd of player by index." );
+static ConVar bot_mimic_yaw_offset( "bot_mimic_yaw_offset", "0", 0, "Offsets the bot yaw." );
+
+static int BotNumber = 1;
+static int g_iNextBotTeam = -1;
+
+
+typedef struct
+{
+	bool			backwards;
+
+	float			nextturntime;
+	bool			lastturntoright;
+
+	float			nextstrafetime;
+	float			sidemove;
+
+	QAngle			forwardAngle;
+	QAngle			lastAngles;
+
+	int m_WantedTeam;
+	float m_flJoinTeamTime;
+
+	bool m_bTempBot;	// Is this slot a dump temp bot or a real bot?
+} botdata_t;
+
+static botdata_t g_BotData[ MAX_PLAYERS ];
+
+//-----------------------------------------------------------------------------
+// Purpose: Create a new Bot and put it in the game.
+// Output : Pointer to the new Bot, or NULL if there's no free clients.
+//-----------------------------------------------------------------------------
+CBasePlayer *BotPutInServer( bool bFrozen, int iTeam )
+{
+	g_iNextBotTeam = iTeam;
+
+	char botname[ 64 ];
+	Q_snprintf( botname, sizeof( botname ), "Bot%02i", BotNumber );
+
+	edict_t *pEdict = engine->CreateFakeClient( botname );
+
+	if (!pEdict)
+	{
+		Msg( "Failed to create Bot.\n");
+		return NULL;
+	}
+
+	// Allocate a CBasePlayer for the bot, and call spawn
+	//ClientPutInServer( pEdict, botname );
+	//ClientActive( pEdict, false );
+
+	CCSPlayer *pPlayer = ((CCSPlayer *)CBaseEntity::Instance( pEdict ));
+	pPlayer->ClearFlags();
+	pPlayer->AddFlag( FL_CLIENT | FL_FAKECLIENT );
+
+	if ( bFrozen )
+		pPlayer->AddEFlags( EFL_BOT_FROZEN );
+
+	if ( iTeam == -1 )
+		iTeam = ( pPlayer->entindex() & 1 ) ? TEAM_TERRORIST : TEAM_CT;
+
+	botdata_t *pData = &g_BotData[pPlayer->entindex()-1];
+	pData->m_WantedTeam = iTeam;
+	pData->m_flJoinTeamTime = gpGlobals->curtime + 0.3;
+	pData->m_bTempBot = true;
+
+	BotNumber++;
+	return pPlayer;
+}
+
+bool IsTempBot( CBaseEntity *pEnt )
+{
+	if ( !pEnt )
+		return false;
+	
+	if ( !(pEnt->GetFlags() & FL_FAKECLIENT) )
+		return false;
+
+	int i = pEnt->entindex();
+	if ( i >= 1 && i < MAX_PLAYERS )
+		return g_BotData[i-1].m_bTempBot;
+	else
+		return false;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Run through all the Bots in the game and let them think.
+//-----------------------------------------------------------------------------
+void Bot_RunAll( void )
+{
+	for ( int i = 1; i <= gpGlobals->maxClients; i++ )
+	{
+		CCSPlayer *pPlayer = ToCSPlayer( UTIL_PlayerByIndex( i ) );
+
+		if ( IsTempBot( pPlayer ) )
+		{
+			Bot_Think( pPlayer );
+		}
+	}
+}
+
+bool RunMimicCommand( CUserCmd& cmd )
+{
+	if ( bot_mimic.GetInt() <= 0 )
+		return false;
+
+	if ( bot_mimic.GetInt() > gpGlobals->maxClients )
+		return false;
+
+	
+	CBasePlayer *pPlayer = UTIL_PlayerByIndex( bot_mimic.GetInt() );
+	if ( !pPlayer )
+		return false;
+
+	if ( !pPlayer->GetLastUserCommand() )
+		return false;
+
+	cmd = *pPlayer->GetLastUserCommand();
+	cmd.viewangles[YAW] += bot_mimic_yaw_offset.GetFloat();
+	return true;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Simulates a single frame of movement for a player
+// Input  : *fakeclient - 
+//			*viewangles - 
+//			forwardmove - 
+//			sidemove - 
+//			upmove - 
+//			buttons - 
+//			impulse - 
+//			msec - 
+// Output : 	virtual void
+//-----------------------------------------------------------------------------
+static void RunPlayerMove( CCSPlayer *fakeclient, const QAngle& viewangles, float forwardmove, float sidemove, float upmove, unsigned short buttons, byte impulse, float frametime )
+{
+	if ( !fakeclient )
+		return;
+
+	CUserCmd cmd;
+
+	// Store off the globals.. they're gonna get whacked
+	float flOldFrametime = gpGlobals->frametime;
+	float flOldCurtime = gpGlobals->curtime;
+
+	float flTimeBase = gpGlobals->curtime;
+	fakeclient->SetTimeBase( flTimeBase );
+
+	Q_memset( &cmd, 0, sizeof( cmd ) );
+
+	if ( !RunMimicCommand( cmd ) )
+	{
+		VectorCopy( viewangles, cmd.viewangles );
+		cmd.forwardmove = forwardmove;
+		cmd.sidemove = sidemove;
+		cmd.upmove = upmove;
+		cmd.buttons = buttons;
+		cmd.impulse = impulse;
+		cmd.random_seed = random->RandomInt( 0, 0x7fffffff );
+	}
+
+	MoveHelperServer()->SetHost( fakeclient );
+	fakeclient->PlayerRunCommand( &cmd, MoveHelperServer() );
+
+	// save off the last good usercmd
+	fakeclient->SetLastUserCommand( cmd );
+
+	// Clear out any fixangle that has been set
+	fakeclient->pl.fixangle = FIXANGLE_NONE;
+
+	// Restore the globals..
+	gpGlobals->frametime = flOldFrametime;
+	gpGlobals->curtime = flOldCurtime;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Run this Bot's AI for one frame.
+//-----------------------------------------------------------------------------
+void Bot_Think( CCSPlayer *pBot )
+{
+	// Make sure we stay being a bot
+	pBot->AddFlag( FL_FAKECLIENT );
+
+	botdata_t *botdata = &g_BotData[ pBot->entindex() - 1 ];
+
+	float forwardmove = 0.0;
+	float sidemove = botdata->sidemove;
+	float upmove = 0.0;
+	unsigned short buttons = 0;
+	byte  impulse = 0;
+	float frametime = gpGlobals->frametime;
+
+	if ( pBot->GetTeamNumber() == TEAM_UNASSIGNED && gpGlobals->curtime > botdata->m_flJoinTeamTime )
+	{
+		pBot->HandleCommand_JoinTeam( botdata->m_WantedTeam );
+	}
+	else if ( pBot->GetTeamNumber() != TEAM_UNASSIGNED && pBot->PlayerClass() == CS_CLASS_NONE )
+	{
+		// If they're on a team but haven't picked a class, choose a random class..
+		pBot->HandleCommand_JoinClass( 0 );
+	}
+	else
+	{
+		QAngle vecViewAngles;
+		vecViewAngles = pBot->GetLocalAngles();
+
+		// Create some random values
+		if ( pBot->IsAlive() && (pBot->GetSolid() == SOLID_BBOX) )
+		{
+			trace_t trace;
+
+			// Stop when shot
+			if ( !pBot->IsEFlagSet(EFL_BOT_FROZEN) )
+			{
+				if ( pBot->m_iHealth == 100 )
+				{
+					forwardmove = 600 * ( botdata->backwards ? -1 : 1 );
+					if ( botdata->sidemove != 0.0f )
+					{
+						forwardmove *= random->RandomFloat( 0.1, 1.0f );
+					}
+				}
+				else
+				{
+					forwardmove = 0;
+				}
+			}
+
+			// Only turn if I haven't been hurt
+			if ( !pBot->IsEFlagSet(EFL_BOT_FROZEN) && pBot->m_iHealth == 100 )
+			{
+				Vector vecEnd;
+				Vector forward;
+
+				QAngle angle;
+				float angledelta = 15.0;
+
+				int maxtries = (int)360.0/angledelta;
+
+				if ( botdata->lastturntoright )
+				{
+					angledelta = -angledelta;
+				}
+
+				angle = pBot->GetLocalAngles();
+
+				Vector vecSrc;
+				while ( --maxtries >= 0 )
+				{
+					AngleVectors( angle, &forward, NULL, NULL );
+
+					vecSrc = pBot->GetLocalOrigin() + Vector( 0, 0, 36 );
+
+					vecEnd = vecSrc + forward * 10;
+
+					UTIL_TraceHull( vecSrc, vecEnd, VEC_HULL_MIN_SCALED( pBot ), VEC_HULL_MAX_SCALED( pBot ), 
+						MASK_PLAYERSOLID, pBot, COLLISION_GROUP_NONE, &trace );
+
+					if ( trace.fraction == 1.0 )
+					{
+						//if ( gpGlobals->curtime < botdata->nextturntime )
+						//{
+						break;
+						//}
+					}
+
+					angle.y += angledelta;
+
+					if ( angle.y > 180 )
+						angle.y -= 360;
+					else if ( angle.y < -180 )
+						angle.y += 360;
+
+					botdata->nextturntime = gpGlobals->curtime + 2.0;
+					botdata->lastturntoright = random->RandomInt( 0, 1 ) == 0 ? true : false;
+
+					botdata->forwardAngle = angle;
+					botdata->lastAngles = angle;
+
+				}
+
+
+				/*
+				if ( gpGlobals->curtime >= botdata->nextstrafetime )
+				{
+					botdata->nextstrafetime = gpGlobals->curtime + 1.0f;
+
+					if ( random->RandomInt( 0, 5 ) == 0 )
+					{
+						botdata->sidemove = -600.0f + 1200.0f * random->RandomFloat( 0, 2 );
+					}
+					else
+					{
+						botdata->sidemove = 0;
+					}
+					sidemove = botdata->sidemove;
+
+					if ( random->RandomInt( 0, 20 ) == 0 )
+					{
+						botdata->backwards = true;
+					}
+					else
+					{
+						botdata->backwards = false;
+					}
+				}
+				*/
+
+				pBot->SetLocalAngles( angle );
+				vecViewAngles = angle;
+			}
+
+			// If bots are being forced to fire a weapon, see if I have it
+			else if ( bot_forcefireweapon.GetString() )
+			{
+				CBaseCombatWeapon *pWeapon = pBot->Weapon_OwnsThisType( bot_forcefireweapon.GetString() );
+				if ( pWeapon )
+				{
+					// Switch to it if we don't have it out
+					CBaseCombatWeapon *pActiveWeapon = pBot->GetActiveWeapon();
+
+					// Switch?
+					if ( pActiveWeapon != pWeapon )
+					{
+						pBot->Weapon_Switch( pWeapon );
+					}
+					else
+					{
+						// Start firing
+						// Some weapons require releases, so randomise firing
+						if ( bot_forceattackon.GetBool() || (RandomFloat(0.0,1.0) > 0.5) )
+						{
+							buttons |= bot_forceattack2.GetBool() ? IN_ATTACK2 : IN_ATTACK;
+						}
+					}
+				}
+			}
+
+			if ( bot_flipout.GetInt() )
+			{
+				if ( bot_forceattackon.GetBool() || (RandomFloat(0.0,1.0) > 0.5) )
+				{
+					buttons |= bot_forceattack2.GetBool() ? IN_ATTACK2 : IN_ATTACK;
+				}
+			}
+		}
+		else
+		{
+			// Wait for Reinforcement wave
+			if ( !pBot->IsAlive() )
+			{
+				// Try hitting my buttons occasionally
+				if ( random->RandomInt( 0, 100 ) > 80 )
+				{
+					// Respawn the bot
+					if ( random->RandomInt( 0, 1 ) == 0 )
+					{
+						buttons |= IN_JUMP;
+					}
+					else
+					{
+						buttons = 0;
+					}
+				}
+			}
+		}
+
+		if ( bot_flipout.GetInt() >= 2 )
+		{
+
+			QAngle angOffset = RandomAngle( -1, 1 );
+
+			botdata->lastAngles += angOffset;
+
+			for ( int i = 0 ; i < 2; i++ )
+			{
+				if ( fabs( botdata->lastAngles[ i ] - botdata->forwardAngle[ i ] ) > 15.0f )
+				{
+					if ( botdata->lastAngles[ i ] > botdata->forwardAngle[ i ] )
+					{
+						botdata->lastAngles[ i ] = botdata->forwardAngle[ i ] + 15;
+					}
+					else
+					{
+						botdata->lastAngles[ i ] = botdata->forwardAngle[ i ] - 15;
+					}
+				}
+			}
+
+			botdata->lastAngles[ 2 ] = 0;
+
+			pBot->SetLocalAngles( botdata->lastAngles );
+		}
+	}
+
+	pBot->SetPunchAngle( QAngle( 0, 0, 0 ) );
+	RunPlayerMove( pBot, pBot->GetLocalAngles(), forwardmove, sidemove, upmove, buttons, impulse, frametime );
+}
+
+
+
+// Handler for the "bot" command.
+CON_COMMAND_F( "bot_old", "Add a bot.", FCVAR_CHEAT )
+{
+	// Disable the CS bots, otherwise they'll interfere with the bot code here.
+	//extern bool g_bEnableCSBots;
+	//g_bEnableCSBots = false;
+
+	CCSPlayer *pPlayer = CCSPlayer::Instance( UTIL_GetCommandClientIndex() );
+
+	// The bot command uses switches like command-line switches.
+	// -count <count> tells how many bots to spawn.
+	// -team <index> selects the bot's team. Default is -1 which chooses randomly.
+	//	Note: if you do -team !, then it 
+	// -class <index> selects the bot's class. Default is -1 which chooses randomly.
+	// -frozen prevents the bots from running around when they spawn in.
+
+	int count = args.FindArgInt( "-count", 1 );
+	count = clamp( count, 1, 16 );
+
+	int iTeam = -1;
+	const char *pVal = args.FindArg( "-team" );
+	if ( pVal )
+	{
+		if ( pVal[0] == '!' )
+		{
+			if ( pPlayer->GetTeamNumber() == TEAM_TERRORIST )
+				iTeam = TEAM_CT;
+			else
+				iTeam = TEAM_TERRORIST;
+		}
+		else if ( pVal[0] == 't' || pVal[0] == 'T' )
+		{
+			iTeam = TEAM_TERRORIST;
+		}
+		else if ( pVal[0] == 'c' || pVal[0] == 'C' )
+		{
+			iTeam = TEAM_CT;
+		}
+		else
+		{
+			iTeam = atoi( pVal );
+			if ( iTeam == 1 )
+				iTeam = TEAM_TERRORIST;
+			else
+				iTeam = TEAM_CT;
+		}
+	}
+
+	// Look at -frozen.
+	bool bFrozen = !!args.FindArg( "-frozen" );
+		
+	// Ok, spawn all the bots.
+	while ( --count >= 0 )
+	{
+		extern CBasePlayer *BotPutInServer( bool bFrozen, int iTeam );
+		BotPutInServer( bFrozen, iTeam );
+	}
+}
+
+
+// Handle the "PossessBot" command.
+void PossessBot_f( const CCommand &args )
+{
+	CCSPlayer *pPlayer = CCSPlayer::Instance( UTIL_GetCommandClientIndex() );
+	if ( !pPlayer )
+		return;
+
+	// Put the local player in control of this bot.
+	if ( args.ArgC() != 2 )
+	{
+		Warning( "PossessBot <client index>\n" );
+		return;
+	}
+
+	int iBotClient = atoi( args[1] );
+	int iBotEnt = iBotClient + 1;
+	
+	if ( iBotClient < 0 || 
+		iBotClient >= gpGlobals->maxClients || 
+		pPlayer->entindex() == iBotEnt )
+	{
+		Warning( "PossessBot <client index>\n" );
+	}
+	else
+	{
+		edict_t *pPlayerData = pPlayer->edict();
+		edict_t *pBotData = engine->PEntityOfEntIndex( iBotEnt );
+		if ( pBotData && pBotData )
+		{
+			// SWAP EDICTS
+
+			// Backup things we don't want to swap.
+			edict_t oldPlayerData = *pPlayerData;
+			edict_t oldBotData = *pBotData;
+
+			// Swap edicts.
+			edict_t tmp = *pPlayerData;
+			*pPlayerData = *pBotData;
+			*pBotData = tmp;
+
+			// Restore things we didn't want to swap.
+			//pPlayerData->m_EntitiesTouched = oldPlayerData.m_EntitiesTouched;
+			//pBotData->m_EntitiesTouched = oldBotData.m_EntitiesTouched;
+		
+			CBaseEntity *pPlayerBaseEnt = CBaseEntity::Instance( pPlayerData );
+			CBaseEntity *pBotBaseEnt = CBaseEntity::Instance( pBotData );
+
+			// Make the other a bot and make the player not a bot.
+			pPlayerBaseEnt->RemoveFlag( FL_FAKECLIENT );
+			pBotBaseEnt->AddFlag( FL_FAKECLIENT );
+		
+						
+			// Point the CBaseEntities at the right players.
+			pPlayerBaseEnt->NetworkProp()->SetEdict( pPlayerData );
+			pBotBaseEnt->NetworkProp()->SetEdict( pBotData );
+
+			// Freeze the bot.
+			pBotBaseEnt->AddEFlags( EFL_BOT_FROZEN );
+		}
+	}
+}
+
+
+ConCommand cc_PossessBot( "PossessBot", PossessBot_f, "Toggle. Possess a bot.\n\tArguments: <bot client number>", FCVAR_CHEAT );
+

game/server/cstrike/cs_bot_temp.h

@@ -0,0 +1,17 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#ifndef CS_BOT_TEMP_H
+#define CS_BOT_TEMP_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+extern ConVar bot_mimic;
+
+
+#endif // CS_BOT_TEMP_H

game/server/cstrike/cs_client.cpp

@@ -0,0 +1,205 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+/*
+
+===== tf_client.cpp ========================================================
+
+  HL2 client/server game specific stuff
+
+*/
+
+#include "cbase.h"
+#include "player.h"
+#include "gamerules.h"
+#include "entitylist.h"
+#include "physics.h"
+#include "game.h"
+#include "ai_network.h"
+#include "ai_node.h"
+#include "ai_hull.h"
+#include "shake.h"
+#include "player_resource.h"
+#include "engine/IEngineSound.h"
+#include "cs_player.h"
+#include "cs_gamerules.h"
+#include "cs_bot.h"
+#include "tier0/vprof.h"
+#include "teamplayroundbased_gamerules.h"
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+
+extern CBaseEntity *FindPickerEntity( CBasePlayer *pPlayer );
+
+extern bool			g_fGameOver;
+
+
+void FinishClientPutInServer( CCSPlayer *pPlayer )
+{
+	pPlayer->InitialSpawn();
+	pPlayer->Spawn();
+
+	if (!pPlayer->IsBot())
+	{
+		// When the player first joins the server, they
+		pPlayer->m_iNumSpawns = 0;
+		pPlayer->m_takedamage = DAMAGE_NO;
+		pPlayer->pl.deadflag = true;
+		pPlayer->m_lifeState = LIFE_DEAD;
+		pPlayer->AddEffects( EF_NODRAW );
+		pPlayer->ChangeTeam( TEAM_UNASSIGNED );
+		pPlayer->SetThink( NULL );
+		pPlayer->AddAccount( CSGameRules()->GetStartMoney() );
+
+		// Move them to the first intro camera.
+		pPlayer->MoveToNextIntroCamera();
+		pPlayer->SetMoveType( MOVETYPE_NONE );
+	}
+
+
+	char sName[128];
+	Q_strncpy( sName, pPlayer->GetPlayerName(), sizeof( sName ) );
+	
+	// First parse the name and remove any %'s
+	for ( char *pApersand = sName; pApersand != NULL && *pApersand != 0; pApersand++ )
+	{
+		// Replace it with a space
+		if ( *pApersand == '%' )
+				*pApersand = ' ';
+	}
+
+	// notify other clients of player joining the game
+	UTIL_ClientPrintAll( HUD_PRINTNOTIFY, "#Game_connected", sName[0] != 0 ? sName : "<unconnected>" );
+}
+
+/*
+===========
+ClientPutInServer
+
+called each time a player is spawned into the game
+============
+*/
+void ClientPutInServer( edict_t *pEdict, const char *playername )
+{
+	// Allocate a CBaseTFPlayer for pev, and call spawn
+	CCSPlayer *pPlayer = CCSPlayer::CreatePlayer( "player", pEdict );
+
+	pPlayer->SetPlayerName( playername );
+}
+
+
+void ClientActive( edict_t *pEdict, bool bLoadGame )
+{
+	// Can't load games in CS!
+	Assert( !bLoadGame );
+
+	CCSPlayer *pPlayer = ToCSPlayer( CBaseEntity::Instance( pEdict ) );
+	FinishClientPutInServer( pPlayer );
+
+	CSingleUserRecipientFilter user( pPlayer );
+	user.MakeReliable();
+
+	// send the 4 end of match conditions.  long frag limit, long max rounds, long rounds needed won, and long time
+	UserMessageBegin( user, "MatchEndConditions" );
+	WRITE_LONG( fraglimit.GetInt() );
+	WRITE_LONG( mp_maxrounds.GetInt() );
+	WRITE_LONG( mp_winlimit.GetInt() );
+	WRITE_LONG( mp_timelimit.GetInt() );
+	MessageEnd();
+}
+
+
+/*
+===============
+const char *GetGameDescription()
+
+Returns the descriptive name of this .dll.  E.g., Half-Life, or Team Fortress 2
+===============
+*/
+const char *GetGameDescription()
+{
+	if ( g_pGameRules ) // this function may be called before the world has spawned, and the game rules initialized
+		return g_pGameRules->GetGameDescription();
+	else
+		return "Counter-Strike: Source";
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Precache game-specific models & sounds
+//-----------------------------------------------------------------------------
+void ClientGamePrecache( void )
+{
+	// Materials used by the client effects
+	CBaseEntity::PrecacheModel( "sprites/white.vmt" );
+	CBaseEntity::PrecacheModel( "sprites/physbeam.vmt" );
+
+	// Legacy temp ents sounds
+	CBaseEntity::PrecacheScriptSound( "Bounce.PistolShell" );
+	CBaseEntity::PrecacheScriptSound( "Bounce.RifleShell" );
+	CBaseEntity::PrecacheScriptSound( "Bounce.ShotgunShell" );
+
+// Moved to pure_server_minimal.txt
+//	// Flashbang-related files
+//	engine->ForceExactFile( "sprites/white.vmt" );
+//	engine->ForceExactFile( "sprites/white.vtf" );
+//	engine->ForceExactFile( "vgui/white.vmt" );
+//	engine->ForceExactFile( "vgui/white.vtf" );
+//	engine->ForceExactFile( "effects/flashbang.vmt" );
+//	engine->ForceExactFile( "effects/flashbang_white.vmt" );
+//
+//	// Smoke grenade-related files
+//	engine->ForceExactFile( "particle/particle_smokegrenade1.vmt" );
+//	engine->ForceExactFile( "particle/particle_smokegrenade.vtf" );
+//
+//	// Sniper scope
+//	engine->ForceExactFile( "sprites/scope_arc.vmt" );
+//	engine->ForceExactFile( "sprites/scope_arc.vtf" );
+//
+//	// DSP presets - don't want people avoiding the deafening + ear ring
+//	engine->ForceExactFile( "scripts/dsp_presets.txt" );
+}
+
+
+// called by ClientKill and DeadThink
+void respawn( CBaseEntity *pEdict, bool fCopyCorpse )
+{
+	if (gpGlobals->coop || gpGlobals->deathmatch)
+	{
+		if ( fCopyCorpse )
+		{
+			// make a copy of the dead body for appearances sake
+			dynamic_cast< CBasePlayer* >( pEdict )->CreateCorpse();
+		}
+
+		// respawn player
+		pEdict->Spawn();
+	}
+	else
+	{       // restart the entire server
+		engine->ServerCommand("reload\n");
+	}
+}
+
+void GameStartFrame( void )
+{
+	VPROF( "GameStartFrame" );
+
+	if ( g_fGameOver )
+		return;
+
+	gpGlobals->teamplay = teamplay.GetInt() ? true : false;
+}
+
+//=========================================================
+// instantiate the proper game rules object
+//=========================================================
+void InstallGameRules()
+{
+	CreateGameRulesObject( "CCSGameRules" );
+}

game/server/cstrike/cs_client.h

@@ -0,0 +1,19 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#ifndef CS_CLIENT_H
+#define CS_CLIENT_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+void respawn( CBaseEntity *pEdict, bool fCopyCorpse );
+
+void FinishClientPutInServer( CCSPlayer *pPlayer );
+
+
+#endif // CS_CLIENT_H

game/server/cstrike/cs_eventlog.cpp

@@ -0,0 +1,321 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+#include "cbase.h"
+#include "../EventLog.h"
+#include "team.h"
+#include "cs_gamerules.h"
+#include "KeyValues.h"
+
+#define LOG_DETAIL_ENEMY_ATTACKS		0x01
+#define LOG_DETAIL_TEAMMATE_ATTACKS		0x02
+
+ConVar mp_logdetail( "mp_logdetail", "0", FCVAR_NONE, "Logs attacks.  Values are: 0=off, 1=enemy, 2=teammate, 3=both)", true, 0.0f, true, 3.0f );
+
+class CCSEventLog : public CEventLog
+{
+private:
+	typedef CEventLog BaseClass;
+
+public:
+	bool PrintEvent( IGameEvent *event )	// override virtual function
+	{
+		if ( !PrintCStrikeEvent( event ) ) // allow CS to override logging
+		{
+			return BaseClass::PrintEvent( event );
+		}
+		else
+		{
+			return true;
+		}
+	}
+
+	bool Init()
+	{
+		BaseClass::Init();
+
+		// listen to CS events
+		ListenForGameEvent( "round_end" );
+		ListenForGameEvent( "round_start" );
+		ListenForGameEvent( "bomb_pickup" );
+		ListenForGameEvent( "bomb_begindefuse" );
+		ListenForGameEvent( "bomb_dropped" );
+		ListenForGameEvent( "bomb_defused" );
+		ListenForGameEvent( "bomb_planted" );
+		ListenForGameEvent( "hostage_rescued" );
+		ListenForGameEvent( "hostage_killed" );
+		ListenForGameEvent( "hostage_follows" );
+		ListenForGameEvent( "player_hurt" );
+
+		return true;
+	}
+
+protected:
+
+	bool PrintCStrikeEvent( IGameEvent *event )	// print Mod specific logs
+	{
+		const char *eventName = event->GetName();
+	
+		// messages that don't have a user associated to them
+		if ( !Q_strncmp( eventName, "round_end", Q_strlen("round_end") ) )
+		{
+			const int winner = event->GetInt( "winner" );
+			const int reason = event->GetInt( "reason" );
+			const char *msg = event->GetString( "message" );
+			msg++; // remove the '#' char
+
+			switch( reason )
+			{
+			case Game_Commencing:
+				UTIL_LogPrintf( "World triggered \"Game_Commencing\"\n" );
+				return true;
+				break;
+			}
+
+			CTeam *ct = GetGlobalTeam( TEAM_CT );
+			CTeam *ter = GetGlobalTeam( TEAM_TERRORIST );
+			Assert( ct && ter );
+
+			switch ( winner )
+			{
+			case WINNER_CT:
+				UTIL_LogPrintf( "Team \"%s\" triggered \"%s\" (CT \"%i\") (T \"%i\")\n", ct->GetName(), msg, ct->GetScore(), ter->GetScore() );
+				break;
+			case WINNER_TER:
+				UTIL_LogPrintf( "Team \"%s\" triggered \"%s\" (CT \"%i\") (T \"%i\")\n", ter->GetName(), msg, ct->GetScore(), ter->GetScore() );
+				break;
+			case WINNER_DRAW:
+			default:
+				UTIL_LogPrintf( "World triggered \"%s\" (CT \"%i\") (T \"%i\")\n", msg, ct->GetScore(), ter->GetScore() );
+				break;
+			}	
+
+			UTIL_LogPrintf( "Team \"CT\" scored \"%i\" with \"%i\" players\n", ct->GetScore(), ct->GetNumPlayers() );
+			UTIL_LogPrintf( "Team \"TERRORIST\" scored \"%i\" with \"%i\" players\n", ter->GetScore(), ter->GetNumPlayers() );
+			
+			UTIL_LogPrintf("World triggered \"Round_End\"\n");
+			return true;
+		}
+		else if ( !Q_strncmp( eventName, "server_", strlen("server_")) )
+		{
+			return false; // ignore server_ messages
+		}
+		
+		const int userid = event->GetInt( "userid" );
+		CBasePlayer *pPlayer = UTIL_PlayerByUserId( userid );
+		if ( !pPlayer )
+		{
+			return false;
+		}
+
+		if ( FStrEq( eventName, "player_hurt" ) )
+		{
+			const int attackerid = event->GetInt("attacker" );
+			const char *weapon = event->GetString( "weapon" );
+			CBasePlayer *pAttacker = UTIL_PlayerByUserId( attackerid );
+			if ( !pAttacker )
+			{
+				return false;
+			}
+
+			bool isTeamAttack = ( (pPlayer->GetTeamNumber() == pAttacker->GetTeamNumber() ) && (pPlayer != pAttacker) );
+			int detail = mp_logdetail.GetInt();
+			if ( ( isTeamAttack && ( detail & LOG_DETAIL_TEAMMATE_ATTACKS ) ) ||
+				( !isTeamAttack && ( detail & LOG_DETAIL_ENEMY_ATTACKS ) ) )
+			{
+				int hitgroup = event->GetInt( "hitgroup" );
+				const char *hitgroupStr = "GENERIC";
+				switch ( hitgroup )
+				{
+				case HITGROUP_GENERIC:
+					hitgroupStr = "generic";
+					break;
+				case HITGROUP_HEAD:
+					hitgroupStr = "head";
+					break;
+				case HITGROUP_CHEST:
+					hitgroupStr = "chest";
+					break;
+				case HITGROUP_STOMACH:
+					hitgroupStr = "stomach";
+					break;
+				case HITGROUP_LEFTARM:
+					hitgroupStr = "left arm";
+					break;
+				case HITGROUP_RIGHTARM:
+					hitgroupStr = "right arm";
+					break;
+				case HITGROUP_LEFTLEG:
+					hitgroupStr = "left leg";
+					break;
+				case HITGROUP_RIGHTLEG:
+					hitgroupStr = "right leg";
+					break;
+				}
+
+				UTIL_LogPrintf( "\"%s<%i><%s><%s>\" attacked \"%s<%i><%s><%s>\" with \"%s\" (damage \"%d\") (damage_armor \"%d\") (health \"%d\") (armor \"%d\") (hitgroup \"%s\")\n",  
+					pAttacker->GetPlayerName(),
+					attackerid,
+					pAttacker->GetNetworkIDString(),
+					pAttacker->GetTeam()->GetName(),
+					pPlayer->GetPlayerName(),
+					userid,
+					pPlayer->GetNetworkIDString(),
+					pPlayer->GetTeam()->GetName(),
+					weapon,
+					event->GetInt( "dmg_health" ),
+					event->GetInt( "dmg_armor" ),
+					event->GetInt( "health" ),
+					event->GetInt( "armor" ),
+					hitgroupStr );
+			}
+			return true;
+		}
+		else if ( !Q_strncmp( eventName, "player_death", Q_strlen("player_death") ) )
+		{
+			const int attackerid = event->GetInt("attacker" );
+			const char *weapon = event->GetString( "weapon" );
+			const bool headShot = (event->GetInt( "headshot" ) == 1);
+			CBasePlayer *pAttacker = UTIL_PlayerByUserId( attackerid );
+
+			if ( pPlayer == pAttacker )  
+			{  
+				UTIL_LogPrintf( "\"%s<%i><%s><%s>\" committed suicide with \"%s\"\n",  
+								pPlayer->GetPlayerName(),
+								userid,
+								pPlayer->GetNetworkIDString(),
+								pPlayer->GetTeam()->GetName(),
+								weapon
+								);
+			}
+			else if ( pAttacker )
+			{
+				UTIL_LogPrintf( "\"%s<%i><%s><%s>\" killed \"%s<%i><%s><%s>\" with \"%s\"%s\n",  
+								pAttacker->GetPlayerName(),
+								attackerid,
+								pAttacker->GetNetworkIDString(),
+								pAttacker->GetTeam()->GetName(),
+								pPlayer->GetPlayerName(),
+								userid,
+								pPlayer->GetNetworkIDString(),
+								pPlayer->GetTeam()->GetName(),
+								weapon,
+								headShot ? " (headshot)":""
+								);								
+			}
+			else
+			{  
+				// killed by the world
+				UTIL_LogPrintf( "\"%s<%i><%s><%s>\" committed suicide with \"world\"\n",
+								pPlayer->GetPlayerName(),
+								userid,
+								pPlayer->GetNetworkIDString(),
+								pPlayer->GetTeam()->GetName()
+								);
+			}
+			return true;
+		}
+		else if ( !Q_strncmp( eventName, "round_start", Q_strlen("round_start") ) )
+		{
+			UTIL_LogPrintf("World triggered \"Round_Start\"\n");
+			return true;
+		}
+		else if ( !Q_strncmp( eventName, "hostage_follows", Q_strlen("hostage_follows") ) )
+		{
+			UTIL_LogPrintf( "\"%s<%i><%s><CT>\" triggered \"Touched_A_Hostage\"\n",
+								pPlayer->GetPlayerName(),
+								userid,
+								pPlayer->GetNetworkIDString()
+								);
+			return true;
+		}
+		else if ( !Q_strncmp( eventName, "hostage_killed", Q_strlen("hostage_killed") ) )
+		{
+			UTIL_LogPrintf( "\"%s<%i><%s><%s>\" triggered \"Killed_A_Hostage\"\n", 
+								pPlayer->GetPlayerName(),
+								userid,
+								pPlayer->GetNetworkIDString(),
+								pPlayer->GetTeam()->GetName()
+								);
+			return true;
+		}
+		else if ( !Q_strncmp( eventName, "hostage_rescued", Q_strlen("hostage_rescued") ) )
+		{
+			UTIL_LogPrintf("\"%s<%i><%s><CT>\" triggered \"Rescued_A_Hostage\"\n",
+								pPlayer->GetPlayerName(),
+								userid,
+								pPlayer->GetNetworkIDString()
+								);
+			return true;
+		}
+		else if ( !Q_strncmp( eventName, "bomb_planted", Q_strlen("bomb_planted") ) )
+		{
+			UTIL_LogPrintf("\"%s<%i><%s><TERRORIST>\" triggered \"Planted_The_Bomb\"\n", 
+								pPlayer->GetPlayerName(),
+								userid,
+								pPlayer->GetNetworkIDString()
+								);
+			return true;
+		}
+		else if ( !Q_strncmp( eventName, "bomb_defused", Q_strlen("bomb_defused") ) )
+		{
+			UTIL_LogPrintf("\"%s<%i><%s><CT>\" triggered \"Defused_The_Bomb\"\n", 
+								pPlayer->GetPlayerName(),
+								userid,
+								pPlayer->GetNetworkIDString()
+								);
+			return true;
+		}
+		else if ( !Q_strncmp( eventName, "bomb_dropped", Q_strlen("bomb_dropped") ) )
+		{
+			UTIL_LogPrintf("\"%s<%i><%s><TERRORIST>\" triggered \"Dropped_The_Bomb\"\n", 
+								pPlayer->GetPlayerName(),
+								userid,
+								pPlayer->GetNetworkIDString()
+								);
+			return true;
+		}
+		else if ( !Q_strncmp( eventName, "bomb_begindefuse", Q_strlen("bomb_begindefuse") ) )
+		{
+			const bool haskit = (event->GetInt( "haskit" ) == 1);
+			UTIL_LogPrintf("\"%s<%i><%s><CT>\" triggered \"%s\"\n", 
+								pPlayer->GetPlayerName(),
+								userid,
+								pPlayer->GetNetworkIDString(),
+								haskit ? "Begin_Bomb_Defuse_With_Kit" : "Begin_Bomb_Defuse_Without_Kit"
+								);
+			return true;
+		}
+		else if ( !Q_strncmp( eventName, "bomb_pickup", Q_strlen("bomb_pickup") ) )
+		{
+			UTIL_LogPrintf("\"%s<%i><%s><TERRORIST>\" triggered \"Got_The_Bomb\"\n", 
+								pPlayer->GetPlayerName(),
+								userid,
+								pPlayer->GetNetworkIDString()
+								);
+			return true;
+		}	
+		
+// unused events:
+//hostage_hurt
+//bomb_exploded
+
+		return false;
+	}
+
+};
+
+CCSEventLog g_CSEventLog;
+
+//-----------------------------------------------------------------------------
+// Singleton access
+//-----------------------------------------------------------------------------
+IGameSystem* GameLogSystem()
+{
+	return &g_CSEventLog;
+}
+

game/server/cstrike/cs_gameinterface.cpp

@@ -0,0 +1,40 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "gameinterface.h"
+#include "mapentities.h"
+#include "cs_gameinterface.h"
+#include "AI_ResponseSystem.h"
+
+// -------------------------------------------------------------------------------------------- //
+// Mod-specific CServerGameClients implementation.
+// -------------------------------------------------------------------------------------------- //
+
+void CServerGameClients::GetPlayerLimits( int& minplayers, int& maxplayers, int &defaultMaxPlayers ) const
+{
+	minplayers = 1;  // allow single player for the test maps (but we default to multi)
+	maxplayers = MAX_PLAYERS;
+	
+	defaultMaxPlayers = 32;	// Default to 32 players unless they change it.
+}
+
+
+// -------------------------------------------------------------------------------------------- //
+// Mod-specific CServerGameDLL implementation.
+// -------------------------------------------------------------------------------------------- //
+
+void CServerGameDLL::LevelInit_ParseAllEntities( const char *pMapEntities )
+{
+	if ( Q_strcmp( STRING(gpGlobals->mapname), "cs_" ) )
+	{
+		// don't precache AI responses (hostages) if it's not a hostage rescure map
+		extern IResponseSystem *g_pResponseSystem;
+		g_pResponseSystem->PrecacheResponses( false );	
+	}
+}
+	
+

game/server/cstrike/cs_gameinterface.h

@@ -0,0 +1,14 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#ifndef CS_GAMEINTERFACE_H
+#define CS_GAMEINTERFACE_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#endif // CS_GAMEINTERFACE_H

game/server/cstrike/cs_gamestats.h

@@ -0,0 +1,340 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: The CS game stats header
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef CS_GAMESTATS_H
+#define CS_GAMESTATS_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "cs_blackmarket.h"
+#include "gamestats.h"
+#include "cs_gamestats_shared.h"
+#include "GameEventListener.h"
+#include "steamworks_gamestats.h"
+#include "weapon_csbase.h"
+
+// forward declares
+class CBreakableProp;
+
+#define CS_STATS_BLOB_VERSION 3
+
+const float cDisseminationTimeHigh = 0.25f;		// Time interval for high priority stats sent to the player
+const float cDisseminationTimeLow = 2.5f;	// Time interval for medium priority stats sent to the player
+
+int GetCSLevelIndex( const char *pLevelName );
+
+typedef struct
+{
+	char szGameName[8];
+	byte iVersion;
+	char szMapName[32];
+	char ipAddr[4];
+	short port;
+	int serverid;
+} gamestats_header_t;
+
+typedef struct
+{
+	gamestats_header_t	header;
+	short	iMinutesPlayed;
+
+	short	iTerroristVictories[CS_NUM_LEVELS];
+	short	iCounterTVictories[CS_NUM_LEVELS];
+	short	iBlackMarketPurchases[WEAPON_MAX];
+
+	short	iAutoBuyPurchases;
+	short	iReBuyPurchases;
+	short	iAutoBuyM4A1Purchases;
+	short	iAutoBuyAK47Purchases;
+	short	iAutoBuyFamasPurchases;
+	short	iAutoBuyGalilPurchases;
+	short	iAutoBuyVestHelmPurchases;
+	short	iAutoBuyVestPurchases;
+
+} cs_gamestats_t;
+
+extern short	g_iWeaponPurchases[WEAPON_MAX];
+extern float	g_flGameStatsUpdateTime;
+extern short	g_iTerroristVictories[CS_NUM_LEVELS];
+extern short	g_iCounterTVictories[CS_NUM_LEVELS];
+extern short	g_iWeaponPurchases[WEAPON_MAX];
+
+extern short	g_iAutoBuyPurchases;
+extern short	g_iReBuyPurchases;
+extern short	g_iAutoBuyM4A1Purchases;
+extern short	g_iAutoBuyAK47Purchases;
+extern short	g_iAutoBuyFamasPurchases;
+extern short	g_iAutoBuyGalilPurchases;
+extern short	g_iAutoBuyVestHelmPurchases;
+extern short	g_iAutoBuyVestPurchases;
+
+
+struct sHappyCamperSnipePosition
+{
+	sHappyCamperSnipePosition( int userid, Vector pos ) : m_iUserID(userid), m_vPos(pos) {}
+
+	int		m_iUserID;
+	Vector	m_vPos;
+};
+
+struct SMarketPurchases : public BaseStatData 
+{
+	SMarketPurchases( uint64 ulPlayerID, int iPrice, const char *pName ) : m_nPlayerID(ulPlayerID), ItemCost(iPrice)
+	{
+		if ( pName )
+		{
+			Q_strncpy( ItemID, pName, ARRAYSIZE(ItemID) );
+		}
+		else
+		{
+			Q_strncpy( ItemID, "unknown", ARRAYSIZE(ItemID) );
+		}
+	}
+	uint64	m_nPlayerID;
+	int		ItemCost;
+	char	ItemID[64];
+
+	BEGIN_STAT_TABLE( "CSSMarketPurchase" )
+		REGISTER_STAT( m_nPlayerID )
+		REGISTER_STAT( ItemCost )
+		REGISTER_STAT_STRING( ItemID )
+	END_STAT_TABLE()
+};
+typedef CUtlVector< SMarketPurchases* > VectorMarketPurchaseData;
+
+struct WeaponStats
+{
+	int shots;
+	int hits;
+	int kills;
+	int damage;
+};
+
+struct SCSSWeaponData : public BaseStatData 
+{
+	SCSSWeaponData( const char *pWeaponName, const WeaponStats &wpnData )
+	{
+		if ( pWeaponName )
+		{
+			Q_strncpy( WeaponID, pWeaponName, ARRAYSIZE(WeaponID) );
+		}
+		else
+		{
+			Q_strncpy( WeaponID, "unknown", ARRAYSIZE(WeaponID) );
+		}
+
+		Shots = wpnData.shots;
+		Hits = wpnData.hits;
+		Kills = wpnData.kills;
+		Damage = wpnData.damage;
+	}
+	
+	char	WeaponID[64];
+	int		Shots;
+	int		Hits;
+	int		Kills;
+	int		Damage;
+
+	BEGIN_STAT_TABLE( "CSSWeaponData" )
+		REGISTER_STAT_STRING( WeaponID )
+		REGISTER_STAT( Shots )
+		REGISTER_STAT( Hits )
+		REGISTER_STAT( Kills )
+		REGISTER_STAT( Damage )
+	END_STAT_TABLE()
+};
+typedef CUtlVector< SCSSWeaponData* > CSSWeaponData;
+
+struct SCSSDeathData : public BaseStatData
+{
+	SCSSDeathData( CBasePlayer *pVictim, const CTakeDamageInfo &info )
+	{
+		m_bUseGlobalData = false;
+
+		m_DeathPos = info.GetDamagePosition();
+		m_iVictimTeam = pVictim->GetTeamNumber();
+		
+		CCSPlayer *pCSPlayer = ToCSPlayer( info.GetAttacker() );
+		if ( pCSPlayer )
+		{
+			m_iKillerTeam = pCSPlayer->GetTeamNumber();
+		}
+		else
+		{
+			m_iKillerTeam = -1;
+		}
+
+		const char *pszWeaponName = info.GetInflictor() ? info.GetInflictor()->GetClassname() : "unknown";
+		
+		if ( pszWeaponName )
+		{
+			if ( V_strcmp(pszWeaponName, "player") == 0 )
+			{
+				// get the player's weapon
+				if ( pCSPlayer && pCSPlayer->GetActiveCSWeapon() )
+				{
+					pszWeaponName = pCSPlayer->GetActiveCSWeapon()->GetClassname();
+				}
+			}
+		}
+
+
+		m_uiDeathParam = WEAPON_NONE;
+		if ( (m_uiDeathParam = AliasToWeaponID( pszWeaponName )) == WEAPON_NONE )
+		{
+			m_uiDeathParam = AliasToWeaponID( pszWeaponName );
+		}
+
+		const char *pszMapName = gpGlobals->mapname.ToCStr() ? gpGlobals->mapname.ToCStr() : "unknown";
+		Q_strncpy( m_szMapName, pszMapName, ARRAYSIZE(m_szMapName) );
+	}
+	Vector	m_DeathPos;
+	int		m_iVictimTeam;
+	int		m_iKillerTeam;
+	int		m_iDamageType;
+	uint64	m_uiDeathParam;
+	char	m_szMapName[64];
+	
+	BEGIN_STAT_TABLE( "Deaths" )
+		REGISTER_STAT_NAMED( m_DeathPos.x, "XCoord" )
+		REGISTER_STAT_NAMED( m_DeathPos.y, "YCoord" )
+		REGISTER_STAT_NAMED( m_DeathPos.z, "ZCoord" )
+		REGISTER_STAT_NAMED( m_iVictimTeam, "Team" )
+		REGISTER_STAT_NAMED( m_iKillerTeam, "DeathCause" )
+		REGISTER_STAT_NAMED( m_uiDeathParam, "DeathParam" )
+		REGISTER_STAT_NAMED( m_szMapName, "DeathMap" )
+	END_STAT_TABLE()
+};
+typedef CUtlVector< SCSSDeathData* > CSSDeathData;
+
+//=============================================================================
+//
+// CS Game Stats Class
+//
+class CCSGameStats : public CBaseGameStats, public CGameEventListener, public CAutoGameSystemPerFrame, public IGameStatTracker
+{
+public:
+
+	// Constructor/Destructor.
+	CCSGameStats( void );
+	~CCSGameStats( void );
+
+	virtual void Clear( void );
+	virtual bool Init();
+	virtual void PreClientUpdate();
+	virtual void PostInit();
+	virtual void LevelShutdownPreClearSteamAPIContext();
+
+	void UploadRoundStats( void );
+	// Overridden events
+	virtual void Event_LevelInit( void );
+	virtual void Event_LevelShutdown( float flElapsed );
+	virtual void Event_ShotFired( CBasePlayer *pPlayer, CBaseCombatWeapon* pWeapon );
+	virtual void Event_ShotHit( CBasePlayer *pPlayer, const CTakeDamageInfo &info );
+	virtual void Event_PlayerKilled( CBasePlayer *pPlayer, const CTakeDamageInfo &info );
+	virtual void Event_PlayerKilled_PreWeaponDrop( CBasePlayer *pPlayer, const CTakeDamageInfo &info );
+	void UpdatePlayerRoundStats(int winner);
+	virtual void Event_PlayerConnected( CBasePlayer *pPlayer );
+	virtual void Event_PlayerDisconnected( CBasePlayer *pPlayer );
+	virtual void Event_WindowShattered( CBasePlayer *pPlayer );
+	virtual void Event_PlayerKilledOther( CBasePlayer *pAttacker, CBaseEntity *pVictim, const CTakeDamageInfo &info );
+			
+
+	// CSS specific events
+    void Event_BombPlanted( CCSPlayer *pPlayer );
+    void Event_BombDefused( CCSPlayer *pPlayer );
+	void Event_PlayerDamage( CBasePlayer *pBasePlayer, const CTakeDamageInfo &info );
+	void Event_BombExploded( CCSPlayer *pPlayer );
+	void Event_MoneyEarned( CCSPlayer *pPlayer, int moneyEarned );
+	void Event_MoneySpent( CCSPlayer *pPlayer, int moneySpent, const char *pItemName );
+    void Event_HostageRescued( CCSPlayer *pPlayer );
+    void Event_PlayerSprayedDecal( CCSPlayer*pPlayer );
+	void Event_AllHostagesRescued();
+	void Event_BreakProp( CCSPlayer *pPlayer, CBreakableProp *pProp );
+    void Event_PlayerDonatedWeapon (CCSPlayer* pPlayer);
+    void Event_PlayerDominatedOther( CCSPlayer* pAttacker, CCSPlayer* pVictim);
+    void Event_PlayerRevenge( CCSPlayer* pAttacker );
+    void Event_PlayerAvengedTeammate( CCSPlayer* pAttacker, CCSPlayer* pAvengedPlayer );
+	void Event_MVPEarned( CCSPlayer* pPlayer );	
+	void Event_KnifeUse( CCSPlayer* pPlayer, bool bStab, int iDamage );
+
+	virtual void FireGameEvent( IGameEvent *event );
+
+	void DumpMatchWeaponMetrics();
+
+	const PlayerStats_t&		FindPlayerStats( CBasePlayer *pPlayer ) const;
+	void						ResetPlayerStats( CBasePlayer *pPlayer );
+	void						ResetKillHistory( CBasePlayer *pPlayer );
+	void						ResetRoundStats();
+	void						ResetPlayerClassMatchStats();
+
+	const StatsCollection_t&	GetTeamStats( int iTeamIndex ) const;
+	void						ResetAllTeamStats();
+    void						ResetAllStats();
+	void						ResetWeaponStats();
+ 	void						IncrementTeamStat( int iTeamIndex, int iStatIndex, int iAmount );
+	void                        CalcDominationAndRevenge( CCSPlayer *pAttacker, CCSPlayer *pVictim, int *piDeathFlags );
+    void                        CalculateOverkill( CCSPlayer* pAttacker, CCSPlayer* pVictim );
+	void						PlayerKilled( CBasePlayer *pVictim, const CTakeDamageInfo &info );
+
+	void						IncrementStat( CCSPlayer* pPlayer, CSStatType_t statId, int iValue, bool bPlayerOnly = false );
+	// Steamworks Gamestats 
+	virtual void SubmitGameStats( KeyValues *pKV );
+
+	virtual StatContainerList_t* GetStatContainerList( void )
+	{
+		return s_StatLists;
+	}
+
+protected:	
+	void						SetStat( CCSPlayer *pPlayer, CSStatType_t statId, int iValue );
+    void						TrackKillStats( CCSPlayer *pAttacker, CCSPlayer *pVictim );
+    void                        ComputeRollingStatAverages();
+	void                        ComputeDirectStatAverages();
+    void                        SendRollingStatsAveragesToAllPlayers();
+	void                        SendDirectStatsAveragesToAllPlayers();
+	void						SendStatsToPlayer( CCSPlayer * pPlayer, int iMinStatPriority );
+
+private:
+	PlayerStats_t				m_aPlayerStats[MAX_PLAYERS+1];	// List of stats for each player for current life - reset after each death    
+	StatsCollection_t			m_aTeamStats[TEAM_MAXCOUNT - FIRST_GAME_TEAM];
+
+    RoundStatsRollingAverage_t  m_rollingCTStatAverages;	
+    RoundStatsRollingAverage_t  m_rollingTStatAverages;	
+    RoundStatsRollingAverage_t	m_rollingPlayerStatAverages;	
+
+	RoundStatsDirectAverage_t	m_directCTStatAverages;
+	RoundStatsDirectAverage_t	m_directTStatAverages;
+	RoundStatsDirectAverage_t	m_directPlayerStatAverages;
+
+	float						m_fDisseminationTimerLow;		// how long since last medium priority stat update
+	float						m_fDisseminationTimerHigh;		// how long since last high priority stat update
+
+	int							m_numberOfRoundsForDirectAverages;
+	int							m_numberOfTerroristEntriesForDirectAverages;
+	int							m_numberOfCounterTerroristEntriesForDirectAverages;
+
+	CUtlDict< CSStatType_t, short >	m_PropStatTable;
+
+	CUtlLinkedList<sHappyCamperSnipePosition, int>		m_PlayerSnipedPosition;
+	WeaponStats					m_weaponStats[WEAPON_MAX][2];
+	
+	// Steamworks Gamestats
+	VectorMarketPurchaseData	m_MarketPurchases;
+	CSSWeaponData				m_WeaponData;
+	CSSDeathData				m_DeathData;
+
+	// A static list of all the stat containers, one for each data structure being tracked
+	static StatContainerList_t * s_StatLists;
+
+	bool						m_bInRound;
+};
+
+extern CCSGameStats CCS_GameStats;
+
+#endif // CS_GAMESTATS_H

game/server/cstrike/cs_hltvdirector.cpp

@@ -0,0 +1,149 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+#include "cbase.h"
+#include "hltvdirector.h"
+#include "igameevents.h"
+
+class CCSHLTVDirector : public CHLTVDirector
+{
+public:
+	DECLARE_CLASS( CCSHLTVDirector, CHLTVDirector );
+
+	const char** GetModEvents();
+	void SetHLTVServer( IHLTVServer *hltv );
+	void CreateShotFromEvent( CHLTVGameEvent *event );
+
+};
+
+void CCSHLTVDirector::SetHLTVServer( IHLTVServer *hltv )
+{
+	BaseClass::SetHLTVServer( hltv );
+
+	if ( m_pHLTVServer )
+	{
+		// mod specific events the director uses to find interesting shots
+		ListenForGameEvent( "hostage_rescued" );
+		ListenForGameEvent( "hostage_killed" );
+		ListenForGameEvent( "hostage_hurt" );
+		ListenForGameEvent( "hostage_follows" );
+		ListenForGameEvent( "bomb_pickup" );
+		ListenForGameEvent( "bomb_dropped" );
+		ListenForGameEvent( "bomb_exploded" );
+		ListenForGameEvent( "bomb_defused" );
+		ListenForGameEvent( "bomb_planted" );
+		ListenForGameEvent( "vip_escaped" );
+		ListenForGameEvent( "vip_killed" );
+	}
+}
+
+void CCSHLTVDirector::CreateShotFromEvent( CHLTVGameEvent *event )
+{
+	// show event at least for 2 more seconds after it occured
+	const char *name = event->m_Event->GetName();
+	IGameEvent *shot = NULL;
+
+	if ( !Q_strcmp( "hostage_rescued", name ) ||
+		 !Q_strcmp( "hostage_hurt", name ) ||
+		 !Q_strcmp( "hostage_follows", name ) ||
+		 !Q_strcmp( "hostage_killed", name ) )
+	{
+		CBaseEntity *player = UTIL_PlayerByUserId( event->m_Event->GetInt("userid") );
+		
+		if ( !player )
+			return;
+
+		// shot player as primary, hostage as secondary target
+		shot = gameeventmanager->CreateEvent( "hltv_chase", true );
+		shot->SetInt( "target1", player->entindex() );
+		shot->SetInt( "target2", event->m_Event->GetInt("hostage") );
+		shot->SetFloat( "distance", 96.0f );
+		shot->SetInt( "theta", 40 );
+		shot->SetInt( "phi", 20 );
+
+		// shot 2 seconds after event
+		m_nNextShotTick = MIN( m_nNextShotTick, (event->m_Tick+TIME_TO_TICKS(2.0)) );
+		m_iPVSEntity = player->entindex();
+	}
+
+	else if ( !Q_strcmp( "bomb_pickup", name ) ||
+		!Q_strcmp( "bomb_dropped", name ) ||
+		!Q_strcmp( "bomb_planted", name ) ||
+		!Q_strcmp( "bomb_defused", name ) )
+	{
+		CBaseEntity *player = UTIL_PlayerByUserId( event->m_Event->GetInt("userid") );
+
+		if ( !player )
+			return;
+
+		shot = gameeventmanager->CreateEvent( "hltv_chase", true );
+		shot->SetInt( "target1", player->entindex() );
+		shot->SetInt( "target2", 0 );
+		shot->SetFloat( "distance", 64.0f );
+		shot->SetInt( "theta", 200 );
+		shot->SetInt( "phi", 10 );
+
+		// shot 2 seconds after pickup
+		m_nNextShotTick = MIN( m_nNextShotTick, (event->m_Tick+TIME_TO_TICKS(2.0)) );
+		m_iPVSEntity = player->entindex();
+	}
+	else
+	{
+		// let baseclass create a shot
+		BaseClass::CreateShotFromEvent( event );
+
+		return;
+	}
+
+	if ( shot )
+	{
+		m_pHLTVServer->BroadcastEvent( shot );
+		gameeventmanager->FreeEvent( shot );
+		DevMsg("DrcCmd: %s\n", name );
+	}
+}
+
+const char** CCSHLTVDirector::GetModEvents()
+{
+	// game events relayed to spectator clients
+	static const char *s_modevents[] =
+	{
+		"hltv_status",
+		"hltv_chat",
+		"player_connect",
+		"player_disconnect",
+		"player_team",
+		"player_info",
+		"server_cvar",
+		"player_death",
+		"player_chat",
+		"round_start",
+		"round_end",
+		// additional CS:S events:
+		"bomb_planted",	
+		"bomb_defused",
+		"hostage_killed",
+		"hostage_hurt",		
+		NULL
+	};
+
+	return s_modevents;
+}
+
+static CCSHLTVDirector s_HLTVDirector;	// singleton
+
+EXPOSE_SINGLE_INTERFACE_GLOBALVAR(CHLTVDirector, IHLTVDirector, INTERFACEVERSION_HLTVDIRECTOR, s_HLTVDirector );
+
+CHLTVDirector* HLTVDirector()
+{
+	return &s_HLTVDirector;
+}
+
+IGameSystem* HLTVDirectorSystem()
+{
+	return &s_HLTVDirector;
+}

game/server/cstrike/cs_nav.h

@@ -0,0 +1,73 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+// nav.h
+// Data structures and constants for the Navigation Mesh system
+// Author: Michael S. Booth (mike@turtlerockstudios.com), January 2003
+
+#ifndef _CS_NAV_H_
+#define _CS_NAV_H_
+
+#include "nav.h"
+
+/**
+ * Below are several constants used by the navigation system.
+ * @todo Move these into TheNavMesh singleton.
+ */
+const float BotRadius = 10.0f;				///< circular extent that contains bot
+
+class CNavArea;
+class CSNavNode;
+
+#if 0
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Return true if given entity can be ignored when moving
+ */
+#define WALK_THRU_DOORS				0x01
+#define WALK_THRU_BREAKABLES		0x02
+#define WALK_THRU_TOGGLE_BRUSHES	0x04
+#define WALK_THRU_EVERYTHING		(WALK_THRU_DOORS | WALK_THRU_BREAKABLES | WALK_THRU_TOGGLE_BRUSHES)
+inline bool IsEntityWalkable( CBaseEntity *entity, unsigned int flags )
+{
+	if (FClassnameIs( entity, "worldspawn" ))
+		return false;
+
+	if (FClassnameIs( entity, "player" ))
+		return false;
+
+	// if we hit a door, assume its walkable because it will open when we touch it
+	if (FClassnameIs( entity, "prop_door*" ) || FClassnameIs( entity, "func_door*" ))
+		return (flags & WALK_THRU_DOORS) ? true : false;
+
+	// if we hit a clip brush, ignore it if it is not BRUSHSOLID_ALWAYS
+	if (FClassnameIs( entity, "func_brush" ))
+	{
+		CFuncBrush *brush = (CFuncBrush *)entity;
+		switch ( brush->m_iSolidity )
+		{
+		case CFuncBrush::BRUSHSOLID_ALWAYS:
+			return false;
+		case CFuncBrush::BRUSHSOLID_NEVER:
+			return true;
+		case CFuncBrush::BRUSHSOLID_TOGGLE:
+			return (flags & WALK_THRU_TOGGLE_BRUSHES) ? true : false;
+		}
+	}
+
+	// if we hit a breakable object, assume its walkable because we will shoot it when we touch it
+	if (FClassnameIs( entity, "func_breakable" ) && entity->GetHealth() && entity->m_takedamage == DAMAGE_YES)
+		return (flags & WALK_THRU_BREAKABLES) ? true : false;
+
+	if (FClassnameIs( entity, "func_breakable_surf" ) && entity->m_takedamage == DAMAGE_YES)
+		return (flags & WALK_THRU_BREAKABLES) ? true : false;
+
+	return false;
+}
+#endif
+
+#endif // _CS_NAV_H_

game/server/cstrike/cs_nav_area.cpp

@@ -0,0 +1,473 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+// nav_area.cpp
+// AI Navigation areas
+// Author: Michael S. Booth (mike@turtlerockstudios.com), January 2003
+
+#include "cbase.h"
+#include "cs_nav_mesh.h"
+#include "cs_nav_area.h"
+#include "nav_pathfind.h"
+#include "nav_colors.h"
+#include "fmtstr.h"
+#include "props_shared.h"
+#include "func_breakablesurf.h"
+#include "Color.h"
+#include "collisionutils.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include <tier0/memdbgon.h>
+
+#ifdef _WIN32
+#pragma warning (disable:4701)				// disable warning that variable *may* not be initialized 
+#endif
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Constructor used during normal runtime.
+ */
+CCSNavArea::CCSNavArea( void )
+{
+	m_approachCount = 0;
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Destructor
+ */
+CCSNavArea::~CCSNavArea()
+{
+}
+
+
+void CCSNavArea::OnServerActivate( void )
+{
+	CNavArea::OnServerActivate();
+
+}
+
+void CCSNavArea::OnRoundRestart( void )
+{
+	CNavArea::OnRoundRestart();
+}
+
+
+void CCSNavArea::Save( CUtlBuffer &fileBuffer, unsigned int version ) const
+{
+	CNavArea::Save( fileBuffer, version );
+
+	//
+	// Save the approach areas for this area
+	//
+
+	// save number of approach areas
+	fileBuffer.PutUnsignedChar(m_approachCount);
+
+	// save approach area info
+	for( int a=0; a<m_approachCount; ++a )
+	{
+		if (m_approach[a].here.area)
+			fileBuffer.PutUnsignedInt(m_approach[a].here.area->GetID());
+		else
+			fileBuffer.PutUnsignedInt(0);
+
+		if (m_approach[a].prev.area)
+			fileBuffer.PutUnsignedInt(m_approach[a].prev.area->GetID());
+		else
+			fileBuffer.PutUnsignedInt(0);
+		fileBuffer.PutUnsignedChar(m_approach[a].prevToHereHow);
+
+		if (m_approach[a].next.area)
+			fileBuffer.PutUnsignedInt(m_approach[a].next.area->GetID());
+		else
+			fileBuffer.PutUnsignedInt(0);
+		fileBuffer.PutUnsignedChar(m_approach[a].hereToNextHow);
+	}
+}
+
+NavErrorType CCSNavArea::Load( CUtlBuffer &fileBuffer, unsigned int version, unsigned int subVersion )
+{
+	if ( version < 15 )
+		return LoadLegacy(fileBuffer, version, subVersion);
+
+	// load base class data
+	NavErrorType error = CNavArea::Load( fileBuffer, version, subVersion );
+
+	switch ( subVersion )
+	{
+	case 1:
+		//
+		// Load number of approach areas
+		//
+		m_approachCount = fileBuffer.GetUnsignedChar();
+
+		// load approach area info (IDs)
+		for( int a = 0; a < m_approachCount; ++a )
+		{
+			m_approach[a].here.id = fileBuffer.GetUnsignedInt();
+
+			m_approach[a].prev.id = fileBuffer.GetUnsignedInt();
+			m_approach[a].prevToHereHow = (NavTraverseType)fileBuffer.GetUnsignedChar();
+
+			m_approach[a].next.id = fileBuffer.GetUnsignedInt();
+			m_approach[a].hereToNextHow = (NavTraverseType)fileBuffer.GetUnsignedChar();
+		}
+
+		if ( !fileBuffer.IsValid() )
+			error = NAV_INVALID_FILE;
+
+		// fall through
+
+	case 0:
+		// legacy version
+		break;
+
+	default:
+		Warning( "Unknown NavArea sub-version number\n" );
+		error = NAV_INVALID_FILE;
+	}
+
+	return error;
+}
+
+
+NavErrorType CCSNavArea::PostLoad( void )
+{
+	NavErrorType error = CNavArea::PostLoad();
+
+	// resolve approach area IDs
+	for ( int a = 0; a < m_approachCount; ++a )
+	{
+		m_approach[a].here.area = TheNavMesh->GetNavAreaByID( m_approach[a].here.id );
+		if (m_approach[a].here.id && m_approach[a].here.area == NULL)
+		{
+			Msg( "CNavArea::PostLoad: Corrupt navigation data. Missing Approach Area (here).\n" );
+			error = NAV_CORRUPT_DATA;
+		}
+
+		m_approach[a].prev.area = TheNavMesh->GetNavAreaByID( m_approach[a].prev.id );
+		if (m_approach[a].prev.id && m_approach[a].prev.area == NULL)
+		{
+			Msg( "CNavArea::PostLoad: Corrupt navigation data. Missing Approach Area (prev).\n" );
+			error = NAV_CORRUPT_DATA;
+		}
+
+		m_approach[a].next.area = TheNavMesh->GetNavAreaByID( m_approach[a].next.id );
+		if (m_approach[a].next.id && m_approach[a].next.area == NULL)
+		{
+			Msg( "CNavArea::PostLoad: Corrupt navigation data. Missing Approach Area (next).\n" );
+			error = NAV_CORRUPT_DATA;
+		}
+	}
+	return error;
+}
+
+
+void CCSNavArea::Draw( void ) const
+{
+	CNavArea::Draw();
+}
+
+void CCSNavArea::CustomAnalysis( bool isIncremental /*= false */ )
+{
+	ComputeApproachAreas();
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Load legacy navigation area from the file
+ */
+NavErrorType CCSNavArea::LoadLegacy( CUtlBuffer &fileBuffer, unsigned int version, unsigned int subVersion )
+{
+	// load ID
+	m_id = fileBuffer.GetUnsignedInt();
+
+	// update nextID to avoid collisions
+	if (m_id >= m_nextID)
+		m_nextID = m_id+1;
+
+	// load attribute flags
+	if ( version <= 8 )
+	{
+		m_attributeFlags = fileBuffer.GetUnsignedChar();
+	}
+	else if ( version < 13 )
+	{
+		m_attributeFlags = fileBuffer.GetUnsignedShort();
+	}
+	else
+	{
+		m_attributeFlags = fileBuffer.GetInt();
+	}
+
+	// load extent of area
+	fileBuffer.Get( &m_nwCorner, 3*sizeof(float) );
+	fileBuffer.Get( &m_seCorner, 3*sizeof(float) );
+
+	m_center.x = (m_nwCorner.x + m_seCorner.x)/2.0f;
+	m_center.y = (m_nwCorner.y + m_seCorner.y)/2.0f;
+	m_center.z = (m_nwCorner.z + m_seCorner.z)/2.0f;
+
+	if ( ( m_seCorner.x - m_nwCorner.x ) > 0.0f && ( m_seCorner.y - m_nwCorner.y ) > 0.0f )
+	{
+		m_invDxCorners = 1.0f / ( m_seCorner.x - m_nwCorner.x );
+		m_invDyCorners = 1.0f / ( m_seCorner.y - m_nwCorner.y );
+	}
+	else
+	{
+		m_invDxCorners = m_invDyCorners = 0;
+
+		DevWarning( "Degenerate Navigation Area #%d at setpos %g %g %g\n", 
+			m_id, m_center.x, m_center.y, m_center.z );
+	}
+
+	// load heights of implicit corners
+	m_neZ = fileBuffer.GetFloat();
+	m_swZ = fileBuffer.GetFloat();
+
+	CheckWaterLevel();
+
+	// load connections (IDs) to adjacent areas
+	// in the enum order NORTH, EAST, SOUTH, WEST
+	for( int d=0; d<NUM_DIRECTIONS; d++ )
+	{
+		// load number of connections for this direction
+		unsigned int count = fileBuffer.GetUnsignedInt();
+		Assert( fileBuffer.IsValid() );
+
+		m_connect[d].EnsureCapacity( count );
+		for( unsigned int i=0; i<count; ++i )
+		{
+			NavConnect connect;
+			connect.id = fileBuffer.GetUnsignedInt();
+			Assert( fileBuffer.IsValid() );
+
+			// don't allow self-referential connections
+			if ( connect.id != m_id )
+			{
+				m_connect[d].AddToTail( connect );
+			}
+		}
+	}
+
+	//
+	// Load hiding spots
+	//
+
+	// load number of hiding spots
+	unsigned char hidingSpotCount = fileBuffer.GetUnsignedChar();
+
+	if (version == 1)
+	{
+		// load simple vector array
+		Vector pos;
+		for( int h=0; h<hidingSpotCount; ++h )
+		{
+			fileBuffer.Get( &pos, 3 * sizeof(float) );
+
+			// create new hiding spot and put on master list
+			HidingSpot *spot = TheNavMesh->CreateHidingSpot();
+			spot->SetPosition( pos );
+			spot->SetFlags( HidingSpot::IN_COVER );
+			m_hidingSpots.AddToTail( spot );
+		}
+	}
+	else
+	{
+		// load HidingSpot objects for this area
+		for( int h=0; h<hidingSpotCount; ++h )
+		{
+			// create new hiding spot and put on master list
+			HidingSpot *spot = TheNavMesh->CreateHidingSpot();
+
+			spot->Load( fileBuffer, version );
+			
+			m_hidingSpots.AddToTail( spot );
+		}
+	}
+
+	if ( version < 15 )
+	{
+		//
+		// Load number of approach areas
+		//
+		m_approachCount = fileBuffer.GetUnsignedChar();
+
+		// load approach area info (IDs)
+		for( int a = 0; a < m_approachCount; ++a )
+		{
+			m_approach[a].here.id = fileBuffer.GetUnsignedInt();
+
+			m_approach[a].prev.id = fileBuffer.GetUnsignedInt();
+			m_approach[a].prevToHereHow = (NavTraverseType)fileBuffer.GetUnsignedChar();
+
+			m_approach[a].next.id = fileBuffer.GetUnsignedInt();
+			m_approach[a].hereToNextHow = (NavTraverseType)fileBuffer.GetUnsignedChar();
+		}
+	}
+
+
+	//
+	// Load encounter paths for this area
+	//
+	unsigned int count = fileBuffer.GetUnsignedInt();
+
+	if (version < 3)
+	{
+		// old data, read and discard
+		for( unsigned int e=0; e<count; ++e )
+		{
+			SpotEncounter encounter;
+
+			encounter.from.id = fileBuffer.GetUnsignedInt();
+			encounter.to.id = fileBuffer.GetUnsignedInt();
+
+			fileBuffer.Get( &encounter.path.from.x, 3 * sizeof(float) );
+			fileBuffer.Get( &encounter.path.to.x, 3 * sizeof(float) );
+
+			// read list of spots along this path
+			unsigned char spotCount = fileBuffer.GetUnsignedChar();
+		
+			for( int s=0; s<spotCount; ++s )
+			{
+				fileBuffer.GetFloat();
+				fileBuffer.GetFloat();
+				fileBuffer.GetFloat();
+				fileBuffer.GetFloat();
+			}
+		}
+		return NAV_OK;
+	}
+
+	for( unsigned int e=0; e<count; ++e )
+	{
+		SpotEncounter *encounter = new SpotEncounter;
+
+		encounter->from.id = fileBuffer.GetUnsignedInt();
+
+		unsigned char dir = fileBuffer.GetUnsignedChar();
+		encounter->fromDir = static_cast<NavDirType>( dir );
+
+		encounter->to.id = fileBuffer.GetUnsignedInt();
+
+		dir = fileBuffer.GetUnsignedChar();
+		encounter->toDir = static_cast<NavDirType>( dir );
+
+		// read list of spots along this path
+		unsigned char spotCount = fileBuffer.GetUnsignedChar();
+	
+		SpotOrder order;
+		for( int s=0; s<spotCount; ++s )
+		{
+			order.id = fileBuffer.GetUnsignedInt();
+
+			unsigned char t = fileBuffer.GetUnsignedChar();
+
+			order.t = (float)t/255.0f;
+
+			encounter->spots.AddToTail( order );
+		}
+
+		m_spotEncounters.AddToTail( encounter );
+	}
+
+	if (version < 5)
+		return NAV_OK;
+
+	//
+	// Load Place data
+	//
+	PlaceDirectory::IndexType entry = fileBuffer.GetUnsignedShort();
+
+	// convert entry to actual Place
+	SetPlace( placeDirectory.IndexToPlace( entry ) );
+
+	if ( version < 7 )
+		return NAV_OK;
+
+	// load ladder data
+	for ( int dir=0; dir<CNavLadder::NUM_LADDER_DIRECTIONS; ++dir )
+	{
+		count = fileBuffer.GetUnsignedInt();
+		for( unsigned int i=0; i<count; ++i )
+		{
+			NavLadderConnect connect;
+			connect.id = fileBuffer.GetUnsignedInt();
+
+			bool alreadyConnected = false;
+			FOR_EACH_VEC( m_ladder[dir], j )
+			{
+				if ( m_ladder[dir][j].id == connect.id )
+				{
+					alreadyConnected = true;
+					break;
+				}
+			}
+
+			if ( !alreadyConnected )
+			{
+				m_ladder[dir].AddToTail( connect );
+			}
+		}
+	}
+
+	if ( version < 8 )
+		return NAV_OK;
+
+	// load earliest occupy times
+	for( int i=0; i<MAX_NAV_TEAMS; ++i )
+	{
+		// no spot in the map should take longer than this to reach
+		m_earliestOccupyTime[i] = fileBuffer.GetFloat();
+	}
+
+	if ( version < 11 )
+		return NAV_OK;
+
+	// load light intensity
+	for ( int i=0; i<NUM_CORNERS; ++i )
+	{
+		m_lightIntensity[i] = fileBuffer.GetFloat();
+	}
+
+	if ( version < 16 )
+		return NAV_OK;
+
+	// load visibility information
+	unsigned int visibleAreaCount = fileBuffer.GetUnsignedInt();
+	if ( !IsX360() )
+	{
+		m_potentiallyVisibleAreas.EnsureCapacity( visibleAreaCount );
+	}
+	else
+	{
+/* TODO: Re-enable when latest 360 code gets integrated (MSB 5/5/09)
+		size_t nBytes = visibleAreaCount * sizeof( AreaBindInfo ); 
+		m_potentiallyVisibleAreas.~CAreaBindInfoArray();
+		new ( &m_potentiallyVisibleAreas ) CAreaBindInfoArray( (AreaBindInfo *)engine->AllocLevelStaticData( nBytes ), visibleAreaCount );
+*/
+	}
+
+	for( unsigned int j=0; j<visibleAreaCount; ++j )
+	{
+		AreaBindInfo info;
+		info.id = fileBuffer.GetUnsignedInt();
+		info.attributes = fileBuffer.GetUnsignedChar();
+
+		m_potentiallyVisibleAreas.AddToTail( info );
+	}
+
+	// read area from which we inherit visibility
+	m_inheritVisibilityFrom.id = fileBuffer.GetUnsignedInt();
+
+	return NAV_OK;
+}
+
+

game/server/cstrike/cs_nav_area.h

@@ -0,0 +1,81 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+// nav_area.h
+// Navigation areas
+// Author: Michael S. Booth (mike@turtlerockstudios.com), January 2003
+
+#ifndef _CS_NAV_AREA_H_
+#define _CS_NAV_AREA_H_
+
+#include "nav_area.h"
+
+//-------------------------------------------------------------------------------------------------------------------
+/**
+ * A CNavArea is a rectangular region defining a walkable area in the environment
+ */
+class CCSNavArea : public CNavArea
+{
+public:
+	DECLARE_CLASS( CCSNavArea, CNavArea );
+
+	CCSNavArea( void );
+	~CCSNavArea();
+
+	virtual void OnServerActivate( void );						// (EXTEND) invoked when map is initially loaded
+	virtual void OnRoundRestart( void );						// (EXTEND) invoked for each area when the round restarts
+
+	virtual void Draw( void ) const;							// draw area for debugging & editing
+
+	virtual void Save( CUtlBuffer &fileBuffer, unsigned int version ) const;	// (EXTEND)
+	virtual NavErrorType Load( CUtlBuffer &fileBuffer, unsigned int version, unsigned int subVersion );		// (EXTEND)
+	virtual NavErrorType PostLoad( void );								// (EXTEND) invoked after all areas have been loaded - for pointer binding, etc
+
+	virtual void CustomAnalysis( bool isIncremental = false );		// for game-specific analysis
+
+	//- approach areas ----------------------------------------------------------------------------------
+	struct ApproachInfo
+	{
+		NavConnect here;										///< the approach area
+		NavConnect prev;										///< the area just before the approach area on the path
+		NavTraverseType prevToHereHow;
+		NavConnect next;										///< the area just after the approach area on the path
+		NavTraverseType hereToNextHow;
+	};
+	const ApproachInfo *GetApproachInfo( int i ) const	{ return &m_approach[i]; }
+	int GetApproachInfoCount( void ) const				{ return m_approachCount; }
+	void ComputeApproachAreas( void );							///< determine the set of "approach areas" - for map learning
+
+	//- player counting --------------------------------------------------------------------------------
+	void ClearPlayerCount( void );								///< set the player count to zero
+
+protected:
+	NavErrorType LoadLegacy( CUtlBuffer &fileBuffer, unsigned int version, unsigned int subVersion );
+
+
+private:
+	//- approach areas ----------------------------------------------------------------------------------
+	enum { MAX_APPROACH_AREAS = 16 };
+	ApproachInfo m_approach[ MAX_APPROACH_AREAS ];
+	unsigned char m_approachCount;
+};
+
+//--------------------------------------------------------------------------------------------------------------
+//--------------------------------------------------------------------------------------------------------------
+//
+// Inlines
+//
+
+inline void CCSNavArea::ClearPlayerCount( void )
+{
+	for( int i=0; i<MAX_NAV_TEAMS; ++i )
+	{
+		m_playerCount[ i ] = 0;
+	}
+}
+
+#endif // _CS_NAV_AREA_H_

game/server/cstrike/cs_nav_edit.cpp

@@ -0,0 +1,69 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+// nav_edit.cpp
+// Implementation of Navigation Mesh edit mode
+// Author: Michael Booth, 2003-2004
+
+#include "cbase.h"
+#include "nav_mesh.h"
+#include "cs_nav_pathfind.h"
+#include "cs_nav_node.h"
+#include "nav_colors.h"
+#include "Color.h"
+#include "tier0/vprof.h"
+#include "collisionutils.h"
+
+ConVar nav_show_area_info( "nav_show_area_info", "0.5", FCVAR_GAMEDLL, "Duration in seconds to show nav area ID and attributes while editing" );
+ConVar nav_snap_to_grid( "nav_snap_to_grid", "0", FCVAR_GAMEDLL, "Snap to the nav generation grid when creating new nav areas" );
+ConVar nav_create_place_on_ground( "nav_create_place_on_ground", "0", FCVAR_GAMEDLL, "If true, nav areas will be placed flush with the ground when created by hand." );
+
+#if DEBUG_NAV_NODES
+extern ConVar nav_show_nodes;
+#endif // DEBUG_NAV_NODES
+
+
+//--------------------------------------------------------------------------------------------------------------
+void EditNav_Precache(void *pUser)
+{
+	CBaseEntity::PrecacheScriptSound( "Bot.EditSwitchOn" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_TOGGLE_PLACE_MODE" );
+	CBaseEntity::PrecacheScriptSound( "Bot.EditSwitchOff" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_PLACE_PICK" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_DELETE" );
+	CBaseEntity::PrecacheScriptSound( "EDIT.ToggleAttribute" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_SPLIT.MarkedArea" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_SPLIT.NoMarkedArea" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_MERGE.Enable" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_MERGE.Disable" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_MARK.Enable" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_MARK.Disable" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_MARK_UNNAMED.Enable" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_MARK_UNNAMED.NoMarkedArea" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_MARK_UNNAMED.MarkedArea" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_CONNECT.AllDirections" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_CONNECT.Added" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_DISCONNECT.MarkedArea" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_DISCONNECT.NoMarkedArea" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_SPLICE.MarkedArea" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_SPLICE.NoMarkedArea" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_SELECT_CORNER.MarkedArea" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_SELECT_CORNER.NoMarkedArea" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_MOVE_CORNER.MarkedArea" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_MOVE_CORNER.NoMarkedArea" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_BEGIN_AREA.Creating" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_BEGIN_AREA.NotCreating" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_END_AREA.Creating" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_END_AREA.NotCreating" );
+	CBaseEntity::PrecacheScriptSound( "EDIT_WARP_TO_MARK" );
+}
+
+#ifdef CSTRIKE_DLL
+PRECACHE_REGISTER_FN( EditNav_Precache );
+#endif
+
+

game/server/cstrike/cs_nav_generate.cpp

@@ -0,0 +1,269 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+// nav_generate.cpp
+// Auto-generate a Navigation Mesh by sampling the current map
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+
+#include "cbase.h"
+#include "util_shared.h"
+#include "nav_mesh.h"
+#include "cs_nav_area.h"
+#include "cs_nav_node.h"
+#include "cs_nav_pathfind.h"
+#include "viewport_panel_names.h"
+
+enum { MAX_BLOCKED_AREAS = 256 };
+static unsigned int blockedID[ MAX_BLOCKED_AREAS ];
+static int blockedIDCount = 0;
+static float lastMsgTime = 0.0f;
+
+
+//ConVar nav_slope_limit( "nav_slope_limit", "0.7", FCVAR_GAMEDLL, "The ground unit normal's Z component must be greater than this for nav areas to be generated." );
+ConVar nav_restart_after_analysis( "nav_restart_after_analysis", "1", FCVAR_GAMEDLL, "When nav nav_restart_after_analysis finishes, restart the server.  Turning this off can cause crashes, but is useful for incremental generation." );
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Shortest path cost, paying attention to "blocked" areas
+ */
+class ApproachAreaCost
+{
+public:
+	// HPE_TODO[pmf]: check that these new parameters are okay to be ignored
+	float operator() ( CNavArea *area, CNavArea *fromArea, const CNavLadder *ladder, const CFuncElevator *elevator, float length )
+	{
+		// check if this area is "blocked"
+		for( int i=0; i<blockedIDCount; ++i )
+		{
+			if (area->GetID() == blockedID[i])
+			{
+				return -1.0f;
+			}
+		}
+
+		if (fromArea == NULL)
+		{
+			// first area in path, no cost
+			return 0.0f;
+		}
+		else
+		{
+			// compute distance traveled along path so far
+			float dist;
+
+			if (ladder)
+			{
+				dist = ladder->m_length;
+			}
+			else
+			{
+				dist = (area->GetCenter() - fromArea->GetCenter()).Length();
+			}
+
+			float cost = dist + fromArea->GetCostSoFar();
+
+			return cost;
+		}
+	}
+};
+
+/*
+ * Determine the set of "approach areas".
+ * An approach area is an area representing a place where players 
+ * move into/out of our local neighborhood of areas.
+ * @todo Optimize by search from eye outward and modifying pathfinder to treat all links as bi-directional
+ */
+void CCSNavArea::ComputeApproachAreas( void )
+{
+	m_approachCount = 0;
+
+	if (nav_quicksave.GetBool())
+		return;
+
+	// use the center of the nav area as the "view" point
+	Vector eye = m_center;
+	if (TheNavMesh->GetGroundHeight( eye, &eye.z ) == false)
+		return;
+
+	// approximate eye position
+	if (GetAttributes() & NAV_MESH_CROUCH)
+		eye.z += 0.9f * HalfHumanHeight;
+	else
+		eye.z += 0.9f * HumanHeight;
+
+	enum { MAX_PATH_LENGTH = 256 };
+	CNavArea *path[ MAX_PATH_LENGTH ];
+	ApproachAreaCost cost;
+
+	enum SearchType
+	{
+		FROM_EYE,		///< start search from our eyepoint outward to farArea
+		TO_EYE,			///< start search from farArea beack towards our eye
+		SEARCH_FINISHED
+	};
+
+	//
+	// In order to *completely* enumerate all of the approach areas, we
+	// need to search from our eyepoint outward, as well as from outwards
+	// towards our eyepoint
+	//
+	for( int searchType = FROM_EYE; searchType != SEARCH_FINISHED; ++searchType )
+	{
+		//
+		// In order to enumerate all of the approach areas, we need to
+		// run the algorithm many times, once for each "far away" area
+		// and keep the union of the approach area sets
+		//
+		int it;
+		for( it = 0; it < TheNavAreas.Count(); ++it )
+		{
+			CNavArea *farArea = TheNavAreas[ it ];
+
+			blockedIDCount = 0;
+
+			// skip the small areas
+			const float minSize = 200.0f;		// 150
+			Extent extent;
+			farArea->GetExtent(&extent);
+			if (extent.SizeX() < minSize || extent.SizeY() < minSize)
+			{
+				continue;
+			}
+
+			// if we can see 'farArea', try again - the whole point is to go "around the bend", so to speak
+			if (farArea->IsVisible( eye ))
+			{
+				continue;
+			}
+
+			//
+			// Keep building paths to farArea and blocking them off until we
+			// cant path there any more.
+			// As areas are blocked off, all exits will be enumerated.
+			//
+			while( m_approachCount < MAX_APPROACH_AREAS )
+			{
+				CNavArea *from, *to;
+
+				if (searchType == FROM_EYE)
+				{
+					// find another path *to* 'farArea'
+					// we must pathfind from us in order to pick up one-way paths OUT OF our area
+					from = this;
+					to = farArea;
+				}
+				else // TO_EYE
+				{
+					// find another path *from* 'farArea'
+					// we must pathfind to us in order to pick up one-way paths INTO our area
+					from = farArea;
+					to = this;
+				}
+
+				// build the actual path
+				if (NavAreaBuildPath( from, to, NULL, cost ) == false)
+				{
+					break;
+				}
+
+				// find number of areas on path
+				int count = 0;
+				CNavArea *area;
+				for( area = to; area; area = area->GetParent() )
+				{
+					++count;
+				}
+
+				if (count > MAX_PATH_LENGTH)
+				{
+					count = MAX_PATH_LENGTH;
+				}
+
+				// if the path is only two areas long, there can be no approach points
+				if (count <= 2)
+				{
+					break;
+				}
+
+				// build path starting from eye
+				int i = 0;
+
+				if (searchType == FROM_EYE)
+				{
+					for( area = to; i < count && area; area = area->GetParent() )
+					{
+						path[ count-i-1 ] = area;
+						++i;
+					}
+				}
+				else // TO_EYE
+				{
+					for( area = to; i < count && area; area = area->GetParent() )
+					{
+						path[ i++ ] = area;
+					}
+				}
+
+				// traverse path to find first area we cannot see (skip the first area)
+				for( i=1; i<count; ++i )
+				{
+					// if we see this area, continue on
+					if (path[i]->IsVisible( eye ))
+					{
+						continue;
+					}
+
+					// we can't see this area - mark this area as "blocked" and unusable by subsequent approach paths
+					if (blockedIDCount == MAX_BLOCKED_AREAS)
+					{
+						Msg( "Overflow computing approach areas for area #%d.\n", GetID());
+						return;
+					}
+
+					// if the area to be blocked is actually farArea, block the one just prior
+					// (blocking farArea will cause all subsequent pathfinds to fail)
+					int block = (path[i] == farArea) ? i-1 : i;
+
+					// dont block the start area, or all subsequence pathfinds will fail
+					if (block == 0)
+					{
+						continue;
+					}
+
+					blockedID[ blockedIDCount++ ] = path[ block ]->GetID();
+
+					// store new approach area if not already in set
+					int a;
+					for( a=0; a<m_approachCount; ++a )
+					{
+						if (m_approach[a].here.area == path[block-1])
+						{
+							break;
+						}
+					}
+
+					if (a == m_approachCount)
+					{
+						m_approach[ m_approachCount ].prev.area = (block >= 2) ? path[block-2] : NULL;
+
+						m_approach[ m_approachCount ].here.area = path[block-1];
+						m_approach[ m_approachCount ].prevToHereHow = path[block-1]->GetParentHow();
+
+						m_approach[ m_approachCount ].next.area = path[block];
+						m_approach[ m_approachCount ].hereToNextHow = path[block]->GetParentHow();
+
+						++m_approachCount;
+					}
+
+					// we are done with this path
+					break;
+				}
+			}
+		}
+	}
+}

game/server/cstrike/cs_nav_mesh.cpp

@@ -0,0 +1,127 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+// NavMesh.cpp
+// Implementation of Navigation Mesh interface
+// Author: Michael S. Booth, 2003-2004
+
+#include "cbase.h"
+#include "filesystem.h"
+#include "cs_nav_mesh.h"
+#include "cs_nav_node.h"
+#include "cs_nav_area.h"
+#include "fmtstr.h"
+#include "utlbuffer.h"
+#include "tier0/vprof.h"
+
+//--------------------------------------------------------------------------------------------------------------
+CSNavMesh::CSNavMesh( void )
+{
+}
+
+//--------------------------------------------------------------------------------------------------------------
+CSNavMesh::~CSNavMesh()
+{
+}
+
+CNavArea * CSNavMesh::CreateArea( void ) const
+{
+	return new CCSNavArea;
+}
+
+//-------------------------------------------------------------------------
+void CSNavMesh::BeginCustomAnalysis( bool bIncremental )
+{
+
+}
+
+
+//-------------------------------------------------------------------------
+// invoked when custom analysis step is complete
+void CSNavMesh::PostCustomAnalysis( void )
+{
+
+}
+
+
+//-------------------------------------------------------------------------
+void CSNavMesh::EndCustomAnalysis()
+{
+
+}
+
+
+//-------------------------------------------------------------------------
+/**
+ * Returns sub-version number of data format used by derived classes
+ */
+unsigned int CSNavMesh::GetSubVersionNumber( void ) const
+{
+	// 1: initial implementation - added ApproachArea data
+	return 1;
+}
+
+//-------------------------------------------------------------------------
+/** 
+ * Store custom mesh data for derived classes
+ */
+void CSNavMesh::SaveCustomData( CUtlBuffer &fileBuffer ) const
+{
+
+}
+
+//-------------------------------------------------------------------------
+/**
+ * Load custom mesh data for derived classes
+ */
+void CSNavMesh::LoadCustomData( CUtlBuffer &fileBuffer, unsigned int subVersion )
+{
+
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Reset the Navigation Mesh to initial values
+ */
+void CSNavMesh::Reset( void )
+{
+	CNavMesh::Reset();
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Zero player counts in all areas
+ */
+void CSNavMesh::ClearPlayerCounts( void )
+{
+	FOR_EACH_VEC( TheNavAreas, it )
+	{
+		CCSNavArea *area = (CCSNavArea*)TheNavAreas[ it ];
+		area->ClearPlayerCount();
+	}
+}
+
+void CSNavMesh::Update( void )
+{
+	CNavMesh::Update();
+}
+
+NavErrorType CSNavMesh::Load( void )
+{
+	return CNavMesh::Load();
+}
+
+bool CSNavMesh::Save( void ) const
+{
+	return CNavMesh::Save();
+}
+
+NavErrorType CSNavMesh::PostLoad( unsigned int version )
+{
+	return CNavMesh::PostLoad(version);
+}

game/server/cstrike/cs_nav_mesh.h

@@ -0,0 +1,68 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+// cs_nav_mesh.h
+// The Navigation Mesh interface
+// Author: Michael S. Booth (mike@turtlerockstudios.com), January 2003
+
+//
+// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
+//
+// NOTE: The Navigation code uses Doxygen-style comments. If you run Doxygen over this code, it will 
+// auto-generate documentation.  Visit www.doxygen.org to download the system for free.
+//
+
+#ifndef _CS_NAV_MESH_H_
+#define _CS_NAV_MESH_H_
+
+#include "filesystem.h"
+
+#include "nav_mesh.h"
+
+#include "cs_nav.h"
+#include "nav_area.h"
+#include "nav_colors.h"
+
+class CNavArea;
+class CCSNavArea;
+class CBaseEntity; 
+
+//--------------------------------------------------------------------------------------------------------
+/**
+ * The CSNavMesh is the global interface to the Navigation Mesh.
+ * @todo Make this an abstract base class interface, and derive mod-specific implementations.
+ */
+class CSNavMesh : public CNavMesh
+{
+public:
+	CSNavMesh( void );
+	virtual ~CSNavMesh();
+
+	virtual CNavArea *CreateArea( void ) const;							// CNavArea factory
+
+	virtual unsigned int GetSubVersionNumber( void ) const;									// returns sub-version number of data format used by derived classes
+	virtual void SaveCustomData( CUtlBuffer &fileBuffer ) const;							// store custom mesh data for derived classes
+	virtual void LoadCustomData( CUtlBuffer &fileBuffer, unsigned int subVersion );			// load custom mesh data for derived classes
+
+	virtual void Reset( void );											///< destroy Navigation Mesh data and revert to initial state
+	virtual void Update( void );										///< invoked on each game frame
+
+	virtual NavErrorType Load( void );									// load navigation data from a file
+	virtual NavErrorType PostLoad( unsigned int version );				// (EXTEND) invoked after all areas have been loaded - for pointer binding, etc
+	virtual bool Save( void ) const;									///< store Navigation Mesh to a file
+
+	void ClearPlayerCounts( void );										///< zero player counts in all areas
+
+protected:
+	virtual void BeginCustomAnalysis( bool bIncremental );
+	virtual void PostCustomAnalysis( void );							// invoked when custom analysis step is complete
+	virtual void EndCustomAnalysis();
+
+private:
+};
+
+#endif // _CS_NAV_MESH_H_

game/server/cstrike/cs_nav_node.cpp

@@ -0,0 +1,383 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+// nav_node.cpp
+// AI Navigation Nodes
+// Author: Michael S. Booth (mike@turtlerockstudios.com), January 2003
+
+#include "cbase.h"
+#include "cs_nav_node.h"
+#include "nav_colors.h"
+#include "nav_mesh.h"
+
+NavDirType Opposite[ NUM_DIRECTIONS ] = { SOUTH, WEST, NORTH, EAST };
+
+CSNavNode *CSNavNode::m_list = NULL;
+unsigned int CSNavNode::m_listLength = 0;
+unsigned int CSNavNode::m_nextID = 1;
+
+ConVar nav_show_nodes( "nav_show_nodes", "0" );
+
+
+//--------------------------------------------------------------------------------------------------------------
+class LookAtTarget
+{
+public:
+	LookAtTarget( const Vector &target )
+	{
+		m_target = target;
+	}
+
+	bool operator()( CBasePlayer *player )
+	{
+		QAngle angles;
+		Vector to = m_target - player->GetAbsOrigin();
+		VectorAngles( to, angles );
+
+		player->SetLocalAngles( angles );
+		player->SnapEyeAngles( angles );
+		return true;
+	}
+
+private:
+	Vector m_target;
+};
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Constructor
+ */
+CSNavNode::CSNavNode( const Vector &pos, const Vector &normal, CSNavNode *parent )
+{
+	m_pos = pos;
+	m_normal = normal;
+
+	m_id = m_nextID++;
+
+	int i;
+	for( i=0; i<NUM_DIRECTIONS; ++i )
+	{
+		m_to[ i ] = NULL;
+	}
+
+	for ( i=0; i<NUM_CORNERS; ++i )
+	{
+		m_crouch[ i ] = false;
+	}
+
+	m_visited = 0;
+	m_parent = parent;
+
+	m_next = m_list;
+	m_list = this;
+	m_listLength++;
+
+	m_isCovered = false;
+	m_area = NULL;
+
+	m_attributeFlags = 0;
+
+	if ( nav_show_nodes.GetBool() )
+	{
+		NDebugOverlay::Cross3D( m_pos, 10.0f, 128, 128, 128, true, 10.0f );
+		NDebugOverlay::Cross3D( m_pos, 10.0f, 255, 255, 255, false, 10.0f );
+
+		LookAtTarget lookAt( m_pos );
+		ForEachPlayer( lookAt );
+	}
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+#if DEBUG_NAV_NODES
+ConVar nav_show_node_id( "nav_show_node_id", "0" );
+ConVar nav_test_node( "nav_test_node", "0" );
+ConVar nav_test_node_crouch( "nav_test_node_crouch", "0" );
+ConVar nav_test_node_crouch_dir( "nav_test_node_crouch_dir", "4" );
+#endif // DEBUG_NAV_NODES
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CSNavNode::Draw( void )
+{
+#if DEBUG_NAV_NODES
+	if ( !nav_show_nodes.GetBool() )
+		return;
+
+	int r = 0, g = 0, b = 0;
+
+	if ( m_isCovered )
+	{
+		if ( GetAttributes() & NAV_MESH_CROUCH )
+		{
+			b = 255;
+		}
+		else
+		{
+			r = 255;
+		}
+	}
+	else
+	{
+		if ( GetAttributes() & NAV_MESH_CROUCH )
+		{
+			b = 255;
+		}
+		g = 255;
+	}
+
+	NDebugOverlay::Cross3D( m_pos, 2, r, g, b, true, 0.1f );
+
+	if ( (!m_isCovered && nav_show_node_id.GetBool()) || (m_isCovered && nav_show_node_id.GetInt() < 0) )
+	{
+		char text[16];
+		Q_snprintf( text, sizeof( text ), "%d", m_id );
+		NDebugOverlay::Text( m_pos, text, true, 0.1f );
+	}
+
+	if ( (unsigned int)(nav_test_node.GetInt()) == m_id )
+	{
+		TheNavMesh->TestArea( this, 1, 1 );
+		nav_test_node.SetValue( 0 );
+	}
+
+	if ( (unsigned int)(nav_test_node_crouch.GetInt()) == m_id )
+	{
+		CheckCrouch();
+		nav_test_node_crouch.SetValue( 0 );
+	}
+
+	if ( GetAttributes() & NAV_MESH_CROUCH )
+	{
+		int i;
+		for( i=0; i<NUM_CORNERS; i++ )
+		{
+			if ( m_crouch[i] )
+			{
+				Vector2D dir;
+				CornerToVector2D( (NavCornerType)i, &dir );
+
+				const float scale = 3.0f;
+				Vector scaled( dir.x * scale, dir.y * scale, 0 );
+
+				NDebugOverlay::HorzArrow( m_pos, m_pos + scaled, 0.5, 0, 0, 255, 255, true, 0.1f );
+			}
+		}
+	}
+
+#endif // DEBUG_NAV_NODES
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+void CSNavNode::CheckCrouch( void )
+{
+	CTraceFilterWalkableEntities filter( NULL, COLLISION_GROUP_PLAYER_MOVEMENT, WALK_THRU_EVERYTHING );
+	trace_t tr;
+
+	// Trace downward from duck height to find the max floor height for the node's surroundings
+	Vector mins( -HalfHumanWidth, -HalfHumanWidth, 0 );
+	Vector maxs( HalfHumanWidth, HalfHumanWidth, 0 );
+	Vector start( m_pos.x, m_pos.y, m_pos.z + VEC_DUCK_HULL_MAX.z - 0.1f );
+	UTIL_TraceHull(
+		start,
+		m_pos,
+		mins,
+		maxs,
+		MASK_PLAYERSOLID_BRUSHONLY,
+		&filter,
+		&tr );
+
+	Vector groundPos = tr.endpos;
+
+	if ( tr.startsolid && !tr.allsolid )
+	{
+		// Try going down out of the solid and re-check for the floor height
+		start.z -= tr.endpos.z - 0.1f;
+
+		UTIL_TraceHull(
+			start,
+			m_pos,
+			mins,
+			maxs,
+			MASK_PLAYERSOLID_BRUSHONLY,
+			&filter,
+			&tr );
+
+		groundPos = tr.endpos;
+	}
+
+	if ( tr.startsolid )
+	{
+		// we don't even have duck height clear.  try a simple check to find floor height.
+		float x, y;
+
+		// Find the highest floor z - for a player to stand in this area, we need a full
+		// VEC_HULL_MAX.z of clearance above this height at all points.
+		float maxFloorZ = m_pos.z;
+		for( y = -HalfHumanWidth; y <= HalfHumanWidth + 0.1f; y += HalfHumanWidth )
+		{
+			for( x = -HalfHumanWidth; x <= HalfHumanWidth + 0.1f; x += HalfHumanWidth )
+			{
+				float floorZ;
+				if ( TheNavMesh->GetGroundHeight( m_pos, &floorZ ) )
+				{
+					maxFloorZ = MAX( maxFloorZ, floorZ + 0.1f );
+				}
+			}
+		}
+
+		groundPos.Init( m_pos.x, m_pos.y, maxFloorZ );
+	}
+
+	// For each direction, trace upwards from our best ground height to VEC_HULL_MAX.z to see if we have standing room.
+	for ( int i=0; i<NUM_CORNERS; ++i )
+	{
+#if DEBUG_NAV_NODES
+		if ( nav_test_node_crouch_dir.GetInt() != NUM_CORNERS && i != nav_test_node_crouch_dir.GetInt() )
+			continue;
+#endif // DEBUG_NAV_NODES
+
+		NavCornerType corner = (NavCornerType)i;
+		Vector2D cornerVec;
+		CornerToVector2D( corner, &cornerVec );
+
+		Vector actualGroundPos = groundPos; // we might need to adjust this if the tracehull failed above and we fell back to m_pos.z
+
+		// Build a mins/maxs pair for the HumanWidth x HalfHumanWidth box facing the appropriate direction
+		mins.Init();
+		maxs.Init( cornerVec.x * HalfHumanWidth, cornerVec.y * HalfHumanWidth, 0 );
+
+		// now make sure that mins is smaller than maxs
+		for ( int j=0; j<3; ++j )
+		{
+			if ( mins[j] > maxs[j] )
+			{
+				float tmp = mins[j];
+				mins[j] = maxs[j];
+				maxs[j] = tmp;
+			}
+		}
+
+		UTIL_TraceHull(
+			actualGroundPos + Vector( 0, 0, 0.1f ),
+			actualGroundPos + Vector( 0, 0, VEC_HULL_MAX.z - 0.2f ),
+			mins,
+			maxs,
+			MASK_PLAYERSOLID_BRUSHONLY,
+			&filter,
+			&tr );
+		actualGroundPos.z += tr.fractionleftsolid * VEC_HULL_MAX.z;
+		float maxHeight = actualGroundPos.z + VEC_DUCK_HULL_MAX.z;
+		for ( ; tr.startsolid && actualGroundPos.z <= maxHeight; actualGroundPos.z += 1.0f )
+		{
+			// In case we didn't find a good ground pos above, we could start in the ground.  Move us up some.
+			UTIL_TraceHull(
+				actualGroundPos + Vector( 0, 0, 0.1f ),
+				actualGroundPos + Vector( 0, 0, VEC_HULL_MAX.z - 0.2f ),
+				mins,
+				maxs,
+				MASK_PLAYERSOLID_BRUSHONLY,
+				&filter,
+				&tr );
+		}
+		if (tr.startsolid || tr.fraction != 1.0f)
+		{
+			SetAttributes( NAV_MESH_CROUCH );
+			m_crouch[corner] = true;
+		}
+
+#if DEBUG_NAV_NODES
+		if ( nav_show_nodes.GetBool() )
+		{
+			if ( nav_test_node_crouch_dir.GetInt() == i || nav_test_node_crouch_dir.GetInt() == NUM_CORNERS  )
+			{
+				if ( tr.startsolid )
+				{
+					NDebugOverlay::Box( actualGroundPos, mins, maxs+Vector( 0, 0, VEC_HULL_MAX.z), 255, 0, 0, 10, 20.0f );
+				}
+				else if ( m_crouch[corner] )
+				{
+					NDebugOverlay::Box( actualGroundPos, mins, maxs+Vector( 0, 0, VEC_HULL_MAX.z), 0, 0, 255, 10, 20.0f );
+				}
+				else
+				{
+					NDebugOverlay::Box( actualGroundPos, mins, maxs+Vector( 0, 0, VEC_HULL_MAX.z), 0, 255, 0, 10, 10.0f );
+				}
+			}
+		}
+#endif // DEBUG_NAV_NODES
+	}
+}
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Create a connection FROM this node TO the given node, in the given direction
+ */
+void CSNavNode::ConnectTo( CSNavNode *node, NavDirType dir )
+{
+	m_to[ dir ] = node;
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Return node at given position.
+ * @todo Need a hash table to make this lookup fast
+ */
+CSNavNode *CSNavNode::GetNode( const Vector &pos )
+{
+	const float tolerance = 0.45f * GenerationStepSize;			// 1.0f
+
+	for( CSNavNode *node = m_list; node; node = node->m_next )
+	{
+		float dx = fabs( node->m_pos.x - pos.x );
+		float dy = fabs( node->m_pos.y - pos.y );
+		float dz = fabs( node->m_pos.z - pos.z );
+
+		if (dx < tolerance && dy < tolerance && dz < tolerance)
+			return node;
+	}
+
+	return NULL;
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Return true if this node is bidirectionally linked to 
+ * another node in the given direction
+ */
+BOOL CSNavNode::IsBiLinked( NavDirType dir ) const
+{
+	if (m_to[ dir ] && m_to[ dir ]->m_to[ Opposite[dir] ] == this)
+	{
+		return true;
+	}
+
+	return false;
+}
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Return true if this node is the NW corner of a quad of nodes
+ * that are all bidirectionally linked.
+ */
+BOOL CSNavNode::IsClosedCell( void ) const
+{
+	if (IsBiLinked( SOUTH ) &&
+		IsBiLinked( EAST ) &&
+		m_to[ EAST ]->IsBiLinked( SOUTH ) &&
+		m_to[ SOUTH ]->IsBiLinked( EAST ) &&
+		m_to[ EAST ]->m_to[ SOUTH ] == m_to[ SOUTH ]->m_to[ EAST ])
+	{
+		return true;
+	}
+
+	return false;
+}
+

game/server/cstrike/cs_nav_node.h

@@ -0,0 +1,135 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+// nav_node.h
+// Navigation Nodes are used when generating a Navigation Mesh by point sampling the map
+// Author: Michael S. Booth (mike@turtlerockstudios.com), January 2003
+
+#ifndef _CS_NAV_NODE_H_
+#define _CS_NAV_NODE_H_
+
+#include "cs_nav.h"
+
+// If DEBUG_NAV_NODES is true, nav_show_nodes controls drawing node positions, and
+// nav_show_node_id allows you to show the IDs of nodes that didn't get used to create areas.
+#ifdef _DEBUG
+#define DEBUG_NAV_NODES 1
+#else
+#define DEBUG_NAV_NODES 0
+#endif
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Navigation Nodes.
+ * These Nodes encapsulate world locations, and ways to get from one location to an adjacent one.
+ * Note that these links are not necessarily commutative (falling off of a ledge, for example).
+ */
+class CSNavNode
+{
+public:
+	CSNavNode( const Vector &pos, const Vector &normal, CSNavNode *parent = NULL );
+
+	static CSNavNode *GetNode( const Vector &pos );					///< return navigation node at the position, or NULL if none exists
+
+	CSNavNode *GetConnectedNode( NavDirType dir ) const;				///< get navigation node connected in given direction, or NULL if cant go that way
+	const Vector *GetPosition( void ) const;
+	const Vector *GetNormal( void ) const		{ return &m_normal; }
+	unsigned int GetID( void ) const			{ return m_id; }
+
+	static CSNavNode *GetFirst( void )			{ return m_list; }
+	static unsigned int GetListLength( void )	{ return m_listLength; }
+	CSNavNode *GetNext( void )					{ return m_next; }
+
+	void Draw( void );
+
+	void ConnectTo( CSNavNode *node, NavDirType dir );				///< create a connection FROM this node TO the given node, in the given direction
+	CSNavNode *GetParent( void ) const;
+
+	void MarkAsVisited( NavDirType dir );							///< mark the given direction as having been visited
+	BOOL HasVisited( NavDirType dir );								///< return TRUE if the given direction has already been searched
+	BOOL IsBiLinked( NavDirType dir ) const;						///< node is bidirectionally linked to another node in the given direction
+	BOOL IsClosedCell( void ) const;								///< node is the NW corner of a bi-linked quad of nodes
+
+	void Cover( void )				{ m_isCovered = true; }			///< @todo Should pass in area that is covering
+	BOOL IsCovered( void ) const	{ return m_isCovered; }			///< return true if this node has been covered by an area
+
+	void AssignArea( CNavArea *area );								///< assign the given area to this node
+	CNavArea *GetArea( void ) const;								///< return associated area
+
+	void SetAttributes( unsigned char bits )		{ m_attributeFlags = bits; }
+	unsigned char GetAttributes( void ) const		{ return m_attributeFlags; }
+
+private:
+	friend class CNavMesh;
+
+	void CheckCrouch( void );
+
+	Vector m_pos;													///< position of this node in the world
+	Vector m_normal;												///< surface normal at this location
+	CSNavNode *m_to[ NUM_DIRECTIONS ];								///< links to north, south, east, and west. NULL if no link
+	unsigned int m_id;												///< unique ID of this node
+	unsigned char m_attributeFlags;									///< set of attribute bit flags (see NavAttributeType)
+
+	static CSNavNode *m_list;										///< the master list of all nodes for this map
+	static unsigned int m_listLength;
+	static unsigned int m_nextID;
+	CSNavNode *m_next;												///< next link in master list
+
+	// below are only needed when generating
+	unsigned char m_visited;										///< flags for automatic node generation. If direction bit is clear, that direction hasn't been explored yet.
+	CSNavNode *m_parent;												///< the node prior to this in the search, which we pop back to when this node's search is done (a stack)
+	bool m_isCovered;												///< true when this node is "covered" by a CNavArea
+	CNavArea *m_area;												///< the area this node is contained within
+
+	bool m_crouch[ NUM_CORNERS ];
+};
+
+//--------------------------------------------------------------------------------------------------------------
+//
+// Inlines
+//
+
+inline CSNavNode *CSNavNode::GetConnectedNode( NavDirType dir ) const
+{
+	return m_to[ dir ];
+}
+
+inline const Vector *CSNavNode::GetPosition( void ) const
+{
+	return &m_pos;
+}
+
+inline CSNavNode *CSNavNode::GetParent( void ) const
+{
+	return m_parent;
+}
+
+inline void CSNavNode::MarkAsVisited( NavDirType dir )
+{
+	m_visited |= (1 << dir);
+}
+
+inline BOOL CSNavNode::HasVisited( NavDirType dir )
+{
+	if (m_visited & (1 << dir))
+		return true;
+
+	return false;
+}
+
+inline void CSNavNode::AssignArea( CNavArea *area )
+{
+	m_area = area;
+}
+
+inline CNavArea *CSNavNode::GetArea( void ) const
+{
+	return m_area;
+}
+
+
+#endif // _CS_NAV_NODE_H_

game/server/cstrike/cs_nav_path.h

@@ -0,0 +1,246 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+// nav_path.h
+// Navigation Path encapsulation
+// Author: Michael S. Booth (mike@turtlerockstudios.com), November 2003
+
+#ifndef _CS_NAV_PATH_H_
+#define _CS_NAV_PATH_H_
+
+#include "nav_area.h"
+#include "bot_util.h"
+
+class CImprovLocomotor;
+
+//--------------------------------------------------------------------------------------------------------
+/**
+ * The CCSNavPath class encapsulates a path through space
+ */
+class CCSNavPath
+{
+public:
+	CCSNavPath( void )
+	{
+		m_segmentCount = 0;
+	}
+
+	struct PathSegment
+	{
+		CNavArea *area;											///< the area along the path
+		NavTraverseType how;									///< how to enter this area from the previous one
+		Vector pos;												///< our movement goal position at this point in the path
+		const CNavLadder *ladder;								///< if "how" refers to a ladder, this is it
+	};
+
+	const PathSegment * operator[] ( int i ) const		{ return (i >= 0 && i < m_segmentCount) ? &m_path[i] : NULL; }
+	const PathSegment *GetSegment( int i ) const		{ return (i >= 0 && i < m_segmentCount) ? &m_path[i] : NULL; }
+	int GetSegmentCount( void ) const					{ return m_segmentCount; }
+	const Vector &GetEndpoint( void ) const				{ return m_path[ m_segmentCount-1 ].pos; }
+	bool IsAtEnd( const Vector &pos ) const;					///< return true if position is at the end of the path
+
+	float GetLength( void ) const;								///< return length of path from start to finish
+	bool GetPointAlongPath( float distAlong, Vector *pointOnPath ) const;	///< return point a given distance along the path - if distance is out of path bounds, point is clamped to start/end
+
+	/// return the node index closest to the given distance along the path without going over - returns (-1) if error
+	int GetSegmentIndexAlongPath( float distAlong ) const;
+
+	bool IsValid( void ) const	{ return (m_segmentCount > 0); }
+	void Invalidate( void )		{ m_segmentCount = 0; }
+
+	void Draw( const Vector &color = Vector( 1.0f, 0.3f, 0 ) );	///< draw the path for debugging
+
+	/// compute closest point on path to given point
+	bool FindClosestPointOnPath( const Vector *worldPos, int startIndex, int endIndex, Vector *close ) const;
+
+	void Optimize( void );
+	
+	/**
+	 * Compute shortest path from 'start' to 'goal' via A* algorithm.
+	 * If returns true, path was build to the goal position.
+	 * If returns false, path may either be invalid (use IsValid() to check), or valid but 
+	 * doesn't reach all the way to the goal.
+	 */
+	template< typename CostFunctor >
+	bool Compute( const Vector &start, const Vector &goal, CostFunctor &costFunc )
+	{
+		Invalidate();
+
+		CNavArea *startArea = TheNavMesh->GetNearestNavArea( start + Vector( 0.0f, 0.0f, 1.0f ) );
+		if (startArea == NULL)
+		{
+			return false;
+		}
+
+		CNavArea *goalArea = TheNavMesh->GetNavArea( goal );
+
+		// if we are already in the goal area, build trivial path
+		if (startArea == goalArea)
+		{
+			BuildTrivialPath( start, goal );
+			return true;
+		}
+
+		// make sure path end position is on the ground
+		Vector pathEndPosition = goal;
+		if (goalArea)
+		{
+			pathEndPosition.z = goalArea->GetZ( pathEndPosition );
+		}
+		else
+		{
+			TheNavMesh->GetGroundHeight( pathEndPosition, &pathEndPosition.z );
+		}
+
+		//
+		// Compute shortest path to goal
+		//
+		CNavArea *closestArea;
+		bool pathResult = NavAreaBuildPath( startArea, goalArea, &goal, costFunc, &closestArea );
+
+		//
+		// Build path by following parent links
+		//
+
+		// get count
+		int count = 0;
+		CNavArea *area;
+		for( area = closestArea; area; area = area->GetParent() )
+		{
+			++count;
+		}
+
+		// save room for endpoint
+		if (count > MAX_PATH_SEGMENTS-1)
+		{
+			count = MAX_PATH_SEGMENTS-1;
+		}
+
+		if (count == 0)
+		{
+			return false;
+		}
+
+		if (count == 1)
+		{
+			BuildTrivialPath( start, goal );
+			return true;
+		}
+
+		// build path
+		m_segmentCount = count;
+		for( area = closestArea; count && area; area = area->GetParent() )
+		{
+			--count;
+			m_path[ count ].area = area;
+			m_path[ count ].how = area->GetParentHow();
+		}
+
+		// compute path positions
+		if (ComputePathPositions() == false)
+		{
+			//PrintIfWatched( "CNavPath::Compute: Error building path\n" );
+			Invalidate();
+			return false;
+		}
+
+		// append path end position
+		m_path[ m_segmentCount ].area = closestArea;
+		m_path[ m_segmentCount ].pos = pathEndPosition;
+		m_path[ m_segmentCount ].ladder = NULL;
+		m_path[ m_segmentCount ].how = NUM_TRAVERSE_TYPES;
+		++m_segmentCount;
+
+		return pathResult;
+	}
+
+private:
+	enum { MAX_PATH_SEGMENTS = 256 };
+	PathSegment m_path[ MAX_PATH_SEGMENTS ];
+	int m_segmentCount;
+
+	bool ComputePathPositions( void );									///< determine actual path positions 
+	bool BuildTrivialPath( const Vector &start, const Vector &goal );	///< utility function for when start and goal are in the same area
+
+	int FindNextOccludedNode( int anchor );								///< used by Optimize()
+};
+
+//--------------------------------------------------------------------------------------------------------
+/**
+ * Monitor improv movement and determine if it becomes stuck
+ */
+class CStuckMonitor
+{
+public:
+	CStuckMonitor( void );
+
+	void Reset( void );
+	void Update( CImprovLocomotor *improv );
+	bool IsStuck( void ) const		{ return m_isStuck; }
+
+	float GetDuration( void ) const	{ return (m_isStuck) ? m_stuckTimer.GetElapsedTime() : 0.0f; }
+
+private:
+	bool m_isStuck;													///< if true, we are stuck
+	Vector m_stuckSpot;												///< the location where we became stuck
+	IntervalTimer m_stuckTimer;										///< how long we have been stuck
+
+	enum { MAX_VEL_SAMPLES = 5 };
+	float m_avgVel[ MAX_VEL_SAMPLES ];
+	int m_avgVelIndex;
+	int m_avgVelCount;
+	Vector m_lastCentroid;
+	float m_lastTime;
+};
+
+//--------------------------------------------------------------------------------------------------------
+/**
+ * The CNavPathFollower class implements path following behavior
+ */
+class CNavPathFollower
+{
+public:
+	CNavPathFollower( void );
+
+	void SetImprov( CImprovLocomotor *improv ) { m_improv = improv; }
+	void SetPath( CCSNavPath *path ) { m_path = path; }
+
+	void Reset( void );
+
+	#define DONT_AVOID_OBSTACLES false
+	void Update( float deltaT, bool avoidObstacles = true );		///< move improv along path
+	void Debug( bool status )		{ m_isDebug = status; }			///< turn debugging on/off
+
+	bool IsStuck( void ) const		{ return m_stuckMonitor.IsStuck(); }	///< return true if improv is stuck 
+	void ResetStuck( void )			{ m_stuckMonitor.Reset(); }
+	float GetStuckDuration( void ) const	{ return m_stuckMonitor.GetDuration(); }	///< return how long we've been stuck
+
+	void FeelerReflexAdjustment( Vector *goalPosition, float height = -1.0f );	///< adjust goal position if "feelers" are touched
+
+private:
+	CImprovLocomotor *m_improv;										///< who is doing the path following
+
+	CCSNavPath *m_path;												///< the path being followed
+
+	int m_segmentIndex;												///< the point on the path the improv is moving towards
+	int m_behindIndex;												///< index of the node on the path just behind us
+	Vector m_goal;													///< last computed follow goal
+
+	bool m_isLadderStarted;
+
+	bool m_isDebug;
+
+	int FindOurPositionOnPath( Vector *close, bool local ) const;	///< return the closest point to our current position on current path
+	int FindPathPoint( float aheadRange, Vector *point, int *prevIndex );	///< compute a point a fixed distance ahead along our path.
+
+	CStuckMonitor m_stuckMonitor;
+};
+
+
+
+#endif	// _CS_NAV_PATH_H_
+

game/server/cstrike/cs_nav_pathfind.h

@@ -0,0 +1,65 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+// nav_pathfind.h
+// Path-finding mechanisms using the Navigation Mesh
+// Author: Michael S. Booth (mike@turtlerockstudios.com), January 2003
+
+#ifndef _CS_NAV_PATHFIND_H_
+#define _CS_NAV_PATHFIND_H_
+
+#include "nav_pathfind.h"
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Compute travel distance along shortest path from startPos to goalPos. 
+ * Return -1 if can't reach endPos from goalPos.
+ */
+template< typename CostFunctor >
+float NavAreaTravelDistance( const Vector &startPos, const Vector &goalPos, CostFunctor &costFunc )
+{
+	CNavArea *startArea = TheNavMesh->GetNearestNavArea( startPos );
+	if (startArea == NULL)
+	{
+		return -1.0f;
+	}
+
+	// compute path between areas using given cost heuristic
+	CNavArea *goalArea = NULL;
+	if (NavAreaBuildPath( startArea, NULL, &goalPos, costFunc, &goalArea ) == false)
+	{
+		return -1.0f;
+	}
+
+	// compute distance along path
+	if (goalArea->GetParent() == NULL)
+	{
+		// both points are in the same area - return euclidean distance
+		return (goalPos - startPos).Length();
+	}
+	else
+	{
+		CNavArea *area;
+		float distance;
+
+		// goalPos is assumed to be inside goalArea (or very close to it) - skip to next area
+		area = goalArea->GetParent();
+		distance = (goalPos - area->GetCenter()).Length();
+
+		for( ; area->GetParent(); area = area->GetParent() )
+		{
+			distance += (area->GetCenter() - area->GetParent()->GetCenter()).Length();
+		}
+
+		// add in distance to startPos
+		distance += (startPos - area->GetCenter()).Length();
+
+		return distance;
+	}
+}
+
+#endif // _CS_NAV_PATHFIND_H_

game/server/cstrike/cs_player_resource.cpp

@@ -0,0 +1,343 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: CS's custom CPlayerResource
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "cs_player.h"
+#include "player_resource.h"
+#include "cs_simple_hostage.h"
+#include "cs_player_resource.h"
+#include "weapon_c4.h"
+#include <coordsize.h>
+#include "cs_bot_manager.h"
+#include "cs_gamerules.h"
+
+// Datatable
+IMPLEMENT_SERVERCLASS_ST(CCSPlayerResource, DT_CSPlayerResource)
+	SendPropInt( SENDINFO( m_iPlayerC4 ), 8, SPROP_UNSIGNED ),
+	SendPropInt( SENDINFO( m_iPlayerVIP ), 8, SPROP_UNSIGNED ),
+	SendPropVector( SENDINFO(m_vecC4), -1, SPROP_COORD),
+	SendPropArray3( SENDINFO_ARRAY3(m_bHostageAlive), SendPropInt( SENDINFO_ARRAY(m_bHostageAlive), 1, SPROP_UNSIGNED ) ),
+	SendPropArray3( SENDINFO_ARRAY3(m_isHostageFollowingSomeone), SendPropInt( SENDINFO_ARRAY(m_isHostageFollowingSomeone), 1, SPROP_UNSIGNED ) ),
+	SendPropArray3( SENDINFO_ARRAY3(m_iHostageEntityIDs), SendPropInt( SENDINFO_ARRAY(m_iHostageEntityIDs), -1, SPROP_UNSIGNED ) ),
+	SendPropArray3( SENDINFO_ARRAY3(m_iHostageY), SendPropInt( SENDINFO_ARRAY(m_iHostageY), COORD_INTEGER_BITS+1, 0 ) ),
+	SendPropArray3( SENDINFO_ARRAY3(m_iHostageX), SendPropInt( SENDINFO_ARRAY(m_iHostageX), COORD_INTEGER_BITS+1, 0 ) ),
+	SendPropArray3( SENDINFO_ARRAY3(m_iHostageZ), SendPropInt( SENDINFO_ARRAY(m_iHostageZ), COORD_INTEGER_BITS+1, 0 ) ),
+	SendPropVector( SENDINFO(m_bombsiteCenterA), -1, SPROP_COORD),
+	SendPropVector( SENDINFO(m_bombsiteCenterB), -1, SPROP_COORD),
+	SendPropArray3( SENDINFO_ARRAY3(m_hostageRescueX), SendPropInt( SENDINFO_ARRAY(m_hostageRescueX), COORD_INTEGER_BITS+1, 0 ) ),
+	SendPropArray3( SENDINFO_ARRAY3(m_hostageRescueY), SendPropInt( SENDINFO_ARRAY(m_hostageRescueY), COORD_INTEGER_BITS+1, 0 ) ),
+	SendPropArray3( SENDINFO_ARRAY3(m_hostageRescueZ), SendPropInt( SENDINFO_ARRAY(m_hostageRescueZ), COORD_INTEGER_BITS+1, 0 ) ),
+	SendPropBool( SENDINFO( m_bBombSpotted ) ),
+	SendPropArray3( SENDINFO_ARRAY3(m_bPlayerSpotted), SendPropInt( SENDINFO_ARRAY(m_bPlayerSpotted), 1, SPROP_UNSIGNED ) ),
+	SendPropArray3( SENDINFO_ARRAY3(m_iMVPs), SendPropInt( SENDINFO_ARRAY(m_iMVPs), COORD_INTEGER_BITS+1, SPROP_UNSIGNED ) ),
+	SendPropArray3( SENDINFO_ARRAY3(m_bHasDefuser), SendPropInt( SENDINFO_ARRAY(m_bHasDefuser), 1, SPROP_UNSIGNED ) ),
+	SendPropArray3( SENDINFO_ARRAY3(m_szClan), SendPropStringT( SENDINFO_ARRAY(m_szClan) ) ),
+END_SEND_TABLE()
+//=============================================================================
+// HPE_END
+//=============================================================================
+
+BEGIN_DATADESC( CCSPlayerResource )
+	// DEFINE_ARRAY( m_iPing, FIELD_INTEGER, MAX_PLAYERS+1 ),
+	// DEFINE_ARRAY( m_iPacketloss, FIELD_INTEGER, MAX_PLAYERS+1 ),
+END_DATADESC()
+
+LINK_ENTITY_TO_CLASS( cs_player_manager, CCSPlayerResource );
+
+CCSPlayerResource::CCSPlayerResource( void )
+{
+	
+}
+
+
+//--------------------------------------------------------------------------------------------------------
+class Spotter
+{
+public:
+	Spotter( CBaseEntity *entity, const Vector &target, int spottingTeam )
+	{
+		m_targetEntity = entity;
+		m_target = target;
+		m_team = spottingTeam;
+		m_spotted = false;
+	}
+
+	bool operator()( CBasePlayer *player )
+	{
+		if ( !player->IsAlive() || player->GetTeamNumber() != m_team )
+			return true;
+
+		CCSPlayer *csPlayer = ToCSPlayer( player );
+		if ( !csPlayer )
+			return true;
+
+		if ( csPlayer->IsBlind() )
+			return true;
+
+		Vector eye, forward;
+		player->EyePositionAndVectors( &eye, &forward, NULL, NULL );
+		Vector path( m_target - eye );
+		float distance = path.Length();
+		path.NormalizeInPlace();
+		float dot = DotProduct( forward, path );
+		if( (dot > 0.995f ) 
+			|| (dot > 0.98f && distance < 900) 
+			|| (dot > 0.8f && distance < 250) 
+			)
+		{
+			trace_t tr;
+			CTraceFilterSkipTwoEntities filter( player, m_targetEntity, COLLISION_GROUP_DEBRIS );
+			UTIL_TraceLine( eye, m_target,
+				(CONTENTS_OPAQUE|CONTENTS_SOLID|CONTENTS_MOVEABLE|CONTENTS_DEBRIS), &filter, &tr );
+
+			if( tr.fraction == 1.0f )
+			{
+				if ( TheCSBots()->IsLineBlockedBySmoke( eye, m_target ) )
+				{
+					return true;
+				}
+
+				m_spotted = true;
+				return false; // spotted already, so no reason to check for other players spotting the same thing.
+			}
+		}
+
+		return true;
+	}
+
+	bool Spotted( void ) const
+	{
+		return m_spotted;
+	}
+
+private:
+	CBaseEntity *m_targetEntity;
+	Vector m_target;
+	int m_team;
+	bool m_spotted;
+};
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CCSPlayerResource::UpdatePlayerData( void )
+{
+	int i;
+
+	m_iPlayerC4 = 0;
+	m_iPlayerVIP = 0;
+
+	for ( i = 1; i <= gpGlobals->maxClients; i++ )
+	{
+		CCSPlayer *pPlayer = (CCSPlayer*)UTIL_PlayerByIndex( i );
+		
+		if ( pPlayer && pPlayer->IsConnected() )
+		{
+			if ( pPlayer->IsVIP() )
+			{
+				// we should only have one VIP
+				Assert( m_iPlayerVIP == 0 );
+				m_iPlayerVIP = i;
+			}
+
+			if ( pPlayer->HasC4() )
+			{
+				// we should only have one bomb
+				m_iPlayerC4 = i;
+			}
+
+			m_szClan.Set(i, AllocPooledString( pPlayer->GetClanTag() ) );
+
+			m_iMVPs.Set(i, pPlayer->GetNumMVPs());
+
+			m_bHasDefuser.Set(i, pPlayer->HasDefuser());
+
+		}
+		else
+		{
+			m_szClan.Set( i, MAKE_STRING( "" ) );
+			m_iMVPs.Set( i, 0 );
+		}
+	}
+
+	CBaseEntity *c4 = NULL;
+	if ( m_iPlayerC4 == 0 )
+	{
+		// no player has C4, update C4 position
+		if ( g_C4s.Count() > 0 )
+		{
+			c4 = g_C4s[0];
+			m_vecC4 = c4->GetAbsOrigin();
+		}
+		else
+		{
+			m_vecC4.Init();
+		}
+	}
+
+	int numHostages = g_Hostages.Count();
+
+	for ( i = 0; i < MAX_HOSTAGES; i++ )
+	{
+		if ( i >= numHostages )
+		{
+//			engine->Con_NPrintf( i, "Dead" );
+			m_bHostageAlive.Set( i, false );
+			m_isHostageFollowingSomeone.Set( i, false );
+			continue;
+		}
+
+		CHostage* pHostage = g_Hostages[i];
+
+		m_bHostageAlive.Set( i, pHostage->IsRescuable() );
+
+		if ( pHostage->IsValid() )
+		{
+			m_iHostageX.Set( i, (int) pHostage->GetAbsOrigin().x );	
+			m_iHostageY.Set( i, (int) pHostage->GetAbsOrigin().y );	
+			m_iHostageZ.Set( i, (int) pHostage->GetAbsOrigin().z );	
+			m_iHostageEntityIDs.Set( i, pHostage->entindex() );
+			m_isHostageFollowingSomeone.Set( i, pHostage->IsFollowingSomeone() );
+//			engine->Con_NPrintf( i, "ID:%d Pos:(%.0f,%.0f,%.0f)", pHostage->entindex(), pHostage->GetAbsOrigin().x, pHostage->GetAbsOrigin().y, pHostage->GetAbsOrigin().z );
+		}
+		else
+		{
+//			engine->Con_NPrintf( i, "Invalid" );
+		}
+	}
+
+	if( !m_foundGoalPositions )
+	{
+		// We only need to update these once a map, but we need the client to know about them.
+		CBaseEntity* ent = NULL;
+		while ( ( ent = gEntList.FindEntityByClassname( ent, "func_bomb_target" ) ) != NULL )
+		{
+			const Vector &pos = ent->WorldSpaceCenter();
+			CNavArea *area = TheNavMesh->GetNearestNavArea( pos, true, 10000.0f, false, false );
+			const char *placeName = (area) ? TheNavMesh->PlaceToName( area->GetPlace() ) : NULL;
+			if ( placeName == NULL )
+			{
+				// The bomb site has no area or place name, so just choose A then B
+				if ( m_bombsiteCenterA.Get().IsZero() )
+				{
+					m_bombsiteCenterA = pos;
+				}
+				else
+				{
+					m_bombsiteCenterB = pos;
+				}
+			}
+			else
+			{
+				// The bomb site has a place name, so choose accordingly
+				if( FStrEq( placeName, "BombsiteA" ) )
+				{
+					m_bombsiteCenterA = pos;
+				}
+				else
+				{
+					m_bombsiteCenterB = pos;
+				}
+			}
+			m_foundGoalPositions = true;
+		}
+
+		int hostageRescue = 0;
+		while ( (( ent = gEntList.FindEntityByClassname( ent, "func_hostage_rescue" ) ) != NULL)  &&  (hostageRescue < MAX_HOSTAGE_RESCUES) )
+		{
+			const Vector &pos = ent->WorldSpaceCenter();
+			m_hostageRescueX.Set( hostageRescue, (int) pos.x );	
+			m_hostageRescueY.Set( hostageRescue, (int) pos.y );	
+			m_hostageRescueZ.Set( hostageRescue, (int) pos.z );	
+
+			hostageRescue++;
+			m_foundGoalPositions = true;
+		}
+	}
+
+	bool bombSpotted = false;
+	if ( c4 )
+	{
+		Spotter spotter( c4, m_vecC4, TEAM_CT );
+		ForEachPlayer( spotter );
+		if ( spotter.Spotted() )
+		{
+			bombSpotted = true;
+		}
+	}
+
+	for ( int i=0; i < MAX_PLAYERS+1; i++ )
+	{
+		CCSPlayer *target = ToCSPlayer( UTIL_PlayerByIndex( i ) );
+
+		if ( !target || !target->IsAlive() )
+		{
+			m_bPlayerSpotted.Set( i, 0 );
+			continue;
+		}
+
+		Spotter spotter( target, target->EyePosition(), (target->GetTeamNumber()==TEAM_CT) ? TEAM_TERRORIST : TEAM_CT );
+		ForEachPlayer( spotter );
+		if ( spotter.Spotted() )
+		{
+			if ( target->HasC4() )
+			{
+				bombSpotted = true;
+			}
+			m_bPlayerSpotted.Set( i, 1 );
+		}
+		else
+		{
+			m_bPlayerSpotted.Set( i, 0 );
+		}
+	}
+
+	if ( bombSpotted )
+	{
+		m_bBombSpotted = true;
+	}
+	else
+	{
+		m_bBombSpotted = false;
+	}
+
+	BaseClass::UpdatePlayerData();
+}
+
+void CCSPlayerResource::Spawn( void )
+{
+	m_vecC4.Init();
+	m_iPlayerC4 = 0;
+	m_iPlayerVIP = 0;
+	m_bombsiteCenterA.Init();
+	m_bombsiteCenterB.Init();
+	m_foundGoalPositions = false;
+
+	for ( int i=0; i < MAX_HOSTAGES; i++ )
+	{
+		m_bHostageAlive.Set( i, 0 );
+		m_isHostageFollowingSomeone.Set( i, 0 );
+		m_iHostageEntityIDs.Set(i, 0);
+	}
+
+	for ( int i=0; i < MAX_HOSTAGE_RESCUES; i++ )
+	{
+		m_hostageRescueX.Set( i, 0 );
+		m_hostageRescueY.Set( i, 0 );
+		m_hostageRescueZ.Set( i, 0 );
+	}
+
+	m_bBombSpotted = false;
+	for ( int i=0; i < MAX_PLAYERS+1; i++ )
+	{
+		m_bPlayerSpotted.Set( i, 0 );
+		m_szClan.Set( i, MAKE_STRING( "" ) );
+		m_iMVPs.Set( i, 0 );
+		m_bHasDefuser.Set(i, false);
+	}
+
+	BaseClass::Spawn();
+}

game/server/cstrike/cs_player_resource.h

@@ -0,0 +1,55 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: CS's custom CPlayerResource
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef CS_PLAYER_RESOURCE_H
+#define CS_PLAYER_RESOURCE_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+class CCSPlayerResource : public CPlayerResource
+{
+	DECLARE_CLASS( CCSPlayerResource, CPlayerResource );
+	
+public:
+	DECLARE_SERVERCLASS();
+	DECLARE_DATADESC();
+
+	CCSPlayerResource();
+
+	virtual void UpdatePlayerData( void );
+	virtual void Spawn( void );
+protected:
+
+	CNetworkVar( int, m_iPlayerC4 );  // entity index of C4 carrier or 0
+	CNetworkVar( int, m_iPlayerVIP ); // entity index of VIP player or 0
+	CNetworkVector( m_vecC4 );  // position of C4
+	CNetworkArray( bool, m_bHostageAlive, MAX_HOSTAGES );
+	CNetworkArray( bool, m_isHostageFollowingSomeone, MAX_HOSTAGES );
+	CNetworkArray( int, m_iHostageEntityIDs, MAX_HOSTAGES );
+	CNetworkArray( int, m_iHostageX, MAX_HOSTAGES );
+	CNetworkArray( int, m_iHostageY, MAX_HOSTAGES );
+	CNetworkArray( int, m_iHostageZ, MAX_HOSTAGES );
+	CNetworkVector( m_bombsiteCenterA );// Location of bombsite A
+	CNetworkVector( m_bombsiteCenterB );// Location of bombsite B
+	CNetworkArray( int, m_hostageRescueX, MAX_HOSTAGE_RESCUES );// Locations of all hostage rescue spots
+	CNetworkArray( int, m_hostageRescueY, MAX_HOSTAGE_RESCUES );
+	CNetworkArray( int, m_hostageRescueZ, MAX_HOSTAGE_RESCUES );
+
+	CNetworkVar( bool, m_bBombSpotted );
+	CNetworkArray( bool, m_bPlayerSpotted, MAX_PLAYERS+1 );
+
+	CNetworkArray( string_t, m_szClan, MAX_PLAYERS+1 );
+
+	CNetworkArray( int, m_iMVPs, MAX_PLAYERS + 1 );
+	CNetworkArray( bool, m_bHasDefuser, MAX_PLAYERS + 1);
+
+private:
+	bool m_foundGoalPositions;
+};
+
+#endif // CS_PLAYER_RESOURCE_H

game/server/cstrike/cs_playermove.cpp

@@ -0,0 +1,98 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "cbase.h"
+#include "player_command.h"
+#include "igamemovement.h"
+#include "in_buttons.h"
+#include "ipredictionsystem.h"
+#include "iservervehicle.h"
+#include "cs_player.h"
+
+
+static CMoveData g_MoveData;
+CMoveData *g_pMoveData = &g_MoveData;
+
+IPredictionSystem *IPredictionSystem::g_pPredictionSystems = NULL;
+
+
+//-----------------------------------------------------------------------------
+// Sets up the move data for TF2
+//-----------------------------------------------------------------------------
+class CCSPlayerMove : public CPlayerMove
+{
+DECLARE_CLASS( CCSPlayerMove, CPlayerMove );
+
+public:
+	virtual void	StartCommand( CBasePlayer *player, CUserCmd *cmd );
+	virtual void	SetupMove( CBasePlayer *player, CUserCmd *ucmd, IMoveHelper *pHelper, CMoveData *move );
+	virtual void	FinishMove( CBasePlayer *player, CUserCmd *ucmd, CMoveData *move );
+};
+
+// PlayerMove Interface
+static CCSPlayerMove g_PlayerMove;
+
+//-----------------------------------------------------------------------------
+// Singleton accessor
+//-----------------------------------------------------------------------------
+CPlayerMove *PlayerMove()
+{
+	return &g_PlayerMove;
+}
+
+//-----------------------------------------------------------------------------
+// Main setup, finish
+//-----------------------------------------------------------------------------
+
+void CCSPlayerMove::StartCommand( CBasePlayer *player, CUserCmd *cmd )
+{
+	CCSPlayer *pPlayer = ToCSPlayer( player );
+
+	// Reset this.. it gets reset each frame that we're in a bomb zone.
+	pPlayer->m_bInBombZone = false;
+	pPlayer->m_bInBuyZone = false;
+	pPlayer->m_bInHostageRescueZone = false;
+
+	BaseClass::StartCommand( player, cmd );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: This is called pre player movement and copies all the data necessary
+//          from the player for movement. (Server-side, the client-side version
+//          of this code can be found in prediction.cpp.)
+//-----------------------------------------------------------------------------
+void CCSPlayerMove::SetupMove( CBasePlayer *player, CUserCmd *ucmd, IMoveHelper *pHelper, CMoveData *move )
+{
+	player->AvoidPhysicsProps( ucmd );
+
+	BaseClass::SetupMove( player, ucmd, pHelper, move );
+
+	IServerVehicle *pVehicle = player->GetVehicle();
+	if (pVehicle && gpGlobals->frametime != 0)
+	{
+		pVehicle->SetupMove( player, ucmd, pHelper, move ); 
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: This is called post player movement to copy back all data that
+//          movement could have modified and that is necessary for future
+//          movement. (Server-side, the client-side version of this code can 
+//          be found in prediction.cpp.)
+//-----------------------------------------------------------------------------
+void CCSPlayerMove::FinishMove( CBasePlayer *player, CUserCmd *ucmd, CMoveData *move )
+{
+	// Call the default FinishMove code.
+	BaseClass::FinishMove( player, ucmd, move );
+
+	IServerVehicle *pVehicle = player->GetVehicle();
+	if (pVehicle && gpGlobals->frametime != 0)
+	{
+		pVehicle->FinishMove( player, ucmd, move );
+	}
+}

game/server/cstrike/cs_team.cpp

@@ -0,0 +1,101 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Team management class. Contains all the details for a specific team
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "cs_team.h"
+#include "entitylist.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+
+// Datatable
+IMPLEMENT_SERVERCLASS_ST(CCSTeam, DT_CSTeam)
+END_SEND_TABLE()
+
+LINK_ENTITY_TO_CLASS( cs_team_manager, CCSTeam );
+
+//-----------------------------------------------------------------------------
+// Purpose: Get a pointer to the specified TF team manager
+//-----------------------------------------------------------------------------
+CCSTeam *GetGlobalTFTeam( int iIndex )
+{
+	return (CCSTeam*)GetGlobalTeam( iIndex );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Needed because this is an entity, but should never be used
+//-----------------------------------------------------------------------------
+void CCSTeam::Init( const char *pName, int iNumber )
+{
+	BaseClass::Init( pName, iNumber );
+
+	// Only detect changes every half-second.
+	NetworkProp()->SetUpdateInterval( 0.75f );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CCSTeam::~CCSTeam( void )
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CCSTeam::Precache( void )
+{
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Called every frame
+//-----------------------------------------------------------------------------
+void CCSTeam::Think( void )
+{
+}
+
+
+//------------------------------------------------------------------------------------------------------------------
+// PLAYERS
+//-----------------------------------------------------------------------------
+// Purpose: Add the specified player to this team. Remove them from their current team, if any.
+//-----------------------------------------------------------------------------
+void CCSTeam::AddPlayer( CBasePlayer *pPlayer )
+{
+	BaseClass::AddPlayer( pPlayer );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Clean up the player's objects when they leave
+//-----------------------------------------------------------------------------
+void CCSTeam::RemovePlayer( CBasePlayer *pPlayer )
+{
+	BaseClass::RemovePlayer( pPlayer );
+}
+
+//------------------------------------------------------------------------------------------------------------------
+// UTILITY FUNCS
+//-----------------------------------------------------------------------------
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CCSTeam* CCSTeam::GetEnemyTeam()
+{
+	// Look for nearby enemy objects we can capture.
+	int iMyTeam = GetTeamNumber();
+	if( iMyTeam == 0 )
+		return NULL;
+
+	int iEnemyTeam = !(iMyTeam - 1) + 1;
+	return (CCSTeam*)GetGlobalTeam( iEnemyTeam );
+}
+
+

game/server/cstrike/cs_team.h

@@ -0,0 +1,60 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Team management class. Contains all the details for a specific team
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef CS_TEAM_H
+#define CS_TEAM_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "utlvector.h"
+#include "team.h"
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Team Manager
+//-----------------------------------------------------------------------------
+class CCSTeam : public CTeam
+{
+	DECLARE_CLASS( CCSTeam, CTeam );
+public:
+	virtual ~CCSTeam( void );
+
+	DECLARE_SERVERCLASS();
+
+	// Initialization
+	virtual void Init( const char *pName, int iNumber );
+	
+	virtual void Precache( void );
+	virtual void Think( void );
+
+	//-----------------------------------------------------------------------------
+	// Players
+	//-----------------------------------------------------------------------------
+	virtual void AddPlayer( CBasePlayer *pPlayer );
+	virtual void RemovePlayer( CBasePlayer *pPlayer );
+
+	//-----------------------------------------------------------------------------
+	// Utility funcs
+	//-----------------------------------------------------------------------------
+	CCSTeam*		GetEnemyTeam();
+
+private:
+
+	// Used to distribute resources to a team
+	float	m_flNextResourceTime;
+
+	int		m_iLastUpdateSentAt;
+};
+
+
+extern CCSTeam *GetGlobalTFTeam( int iIndex );
+
+
+#endif // TF_TEAM_H

game/server/cstrike/func_bomb_target.cpp

@@ -0,0 +1,84 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Bomb target area
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "cs_player.h"
+#include "func_bomb_target.h"
+#include "cs_gamerules.h"
+
+LINK_ENTITY_TO_CLASS( func_bomb_target, CBombTarget );
+
+BEGIN_DATADESC( CBombTarget )
+	DEFINE_FUNCTION( BombTargetTouch ),
+	DEFINE_FUNCTION( BombTargetUse ),			//needed?
+
+	// Inputs
+	DEFINE_INPUTFUNC( FIELD_VOID, "BombExplode", OnBombExplode ),
+	DEFINE_INPUTFUNC( FIELD_VOID, "BombPlanted", OnBombPlanted ),
+	DEFINE_INPUTFUNC( FIELD_VOID, "BombDefused", OnBombDefused ),
+
+	// Outputs
+	DEFINE_OUTPUT( m_OnBombExplode,	"BombExplode" ),
+	DEFINE_OUTPUT( m_OnBombPlanted,	"BombPlanted" ),
+	DEFINE_OUTPUT( m_OnBombDefused,	"BombDefused" ),
+	DEFINE_KEYFIELD( m_bIsHeistBombTarget, FIELD_BOOLEAN, "heistbomb" ),
+	DEFINE_KEYFIELD( m_szMountTarget, FIELD_STRING, "bomb_mount_target" ),
+
+END_DATADESC()
+
+CBombTarget::CBombTarget( void )
+{
+	m_bIsHeistBombTarget = false;
+	m_szMountTarget = NULL_STRING;
+}
+
+void CBombTarget::Spawn()
+{
+	InitTrigger();
+	SetTouch( &CBombTarget::BombTargetTouch );
+	SetUse( &CBombTarget::BombTargetUse );
+}
+
+void CBombTarget::BombTargetTouch( CBaseEntity* pOther )
+{
+	CCSPlayer *p = dynamic_cast< CCSPlayer* >( pOther );
+	if ( p )
+	{
+		if ( p->HasC4() && CSGameRules()->m_bBombPlanted == false )
+		{
+			p->m_bInBombZone = true;
+			p->m_iBombSiteIndex = entindex();
+			if ( !(p->m_iDisplayHistoryBits & DHF_IN_TARGET_ZONE) )
+			{
+				p->HintMessage( "#Hint_you_are_in_targetzone", false );
+				p->m_iDisplayHistoryBits |= DHF_IN_TARGET_ZONE;
+			}
+		}
+	}
+}
+
+void CBombTarget::BombTargetUse( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
+{
+	//SUB_UseTargets( NULL, USE_TOGGLE, 0 );
+	DevMsg( 2, "BombTargetUse does nothing\n" );
+}
+
+// Relay to our outputs
+void CBombTarget::OnBombExplode( inputdata_t &inputdata )
+{
+	m_OnBombExplode.FireOutput(this, this);
+}
+
+// Relay to our outputs
+void CBombTarget::OnBombPlanted( inputdata_t &inputdata )
+{
+	m_OnBombPlanted.FireOutput(this, this);
+}
+// Relay to our outputs
+void CBombTarget::OnBombDefused( inputdata_t &inputdata )
+{
+	m_OnBombDefused.FireOutput(this, this);
+}

game/server/cstrike/func_bomb_target.h

@@ -0,0 +1,37 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Bomb Target Area ent
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "cbase.h"
+#include "triggers.h"
+
+class CBombTarget : public CBaseTrigger
+{
+public:
+	DECLARE_CLASS( CBombTarget, CBaseTrigger );
+	DECLARE_DATADESC();
+
+	CBombTarget();
+
+	void Spawn();
+	void EXPORT BombTargetTouch( CBaseEntity* pOther );
+	void EXPORT BombTargetUse( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
+
+	void OnBombExplode( inputdata_t &inputdata );
+	void OnBombPlanted( inputdata_t &inputdata );
+	void OnBombDefused( inputdata_t &inputdata );
+
+	bool	IsHeistBombTarget( void ) { return m_bIsHeistBombTarget; }
+	const char *GetBombMountTarget( void ){ return STRING( m_szMountTarget ); }
+
+private:
+	COutputEvent m_OnBombExplode;	//Fired when the bomb explodes
+	COutputEvent m_OnBombPlanted;	//Fired when the bomb is planted
+	COutputEvent m_OnBombDefused;	//Fired when the bomb is defused
+
+	bool		m_bIsHeistBombTarget;
+	string_t	m_szMountTarget;
+};

game/server/cstrike/func_buy_zone.cpp

@@ -0,0 +1,77 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "triggers.h"
+#include "cs_player.h"
+
+
+//======================================
+// Bomb target area
+//
+//
+
+class CBuyZone : public CBaseTrigger
+{
+public:
+	DECLARE_CLASS( CBuyZone, CBaseTrigger );
+	DECLARE_DATADESC();
+
+	CBuyZone();
+	void Spawn();
+	void EXPORT BuyZoneTouch( CBaseEntity* pOther );
+
+public:
+	int m_LegacyTeamNum;
+};
+
+
+LINK_ENTITY_TO_CLASS( func_buyzone, CBuyZone );
+
+BEGIN_DATADESC( CBuyZone )
+	DEFINE_FUNCTION( BuyZoneTouch ),
+	
+	// This is here to support maps that haven't updated to using "teamnum" yet.
+	DEFINE_INPUT( m_LegacyTeamNum, FIELD_INTEGER, "team" )
+END_DATADESC()
+
+
+CBuyZone::CBuyZone()
+{
+	m_LegacyTeamNum = -1;
+}
+
+
+void CBuyZone::Spawn()
+{
+	InitTrigger();
+	SetTouch( &CBuyZone::BuyZoneTouch );
+
+	// Support for legacy-style teamnums.
+	if ( m_LegacyTeamNum == 1 )
+	{
+		ChangeTeam( TEAM_TERRORIST );
+	}
+	else if ( m_LegacyTeamNum == 2 )
+	{
+		ChangeTeam( TEAM_CT );
+	}
+}
+
+	
+void CBuyZone::BuyZoneTouch( CBaseEntity* pOther )
+{
+	CCSPlayer *p = dynamic_cast< CCSPlayer* >( pOther );
+	if ( p )
+	{
+		// compare player team with buy zone team number
+		if ( p->GetTeamNumber() == GetTeamNumber() )
+		{
+			p->m_bInBuyZone = true;
+		}
+	}
+}
+

game/server/cstrike/func_hostage_rescue.cpp

@@ -0,0 +1,45 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "triggers.h"
+
+class CHostageRescueZone : public CBaseTrigger
+{
+public:
+	DECLARE_CLASS( CHostageRescueZone, CBaseTrigger );
+	DECLARE_DATADESC();
+
+	void CHostageRescue();
+	void Spawn();
+
+	void HostageRescueTouch( CBaseEntity* pOther );
+};
+
+
+LINK_ENTITY_TO_CLASS( func_hostage_rescue, CHostageRescueZone );
+
+
+BEGIN_DATADESC( CHostageRescueZone )
+
+	//Functions
+	DEFINE_FUNCTION( HostageRescueTouch ),
+
+END_DATADESC()
+
+
+void CHostageRescueZone::Spawn()
+{
+	InitTrigger();
+	SetTouch( &CHostageRescueZone::HostageRescueTouch );
+}
+
+void CHostageRescueZone::HostageRescueTouch( CBaseEntity *pOther )
+{
+	variant_t emptyVariant;
+	pOther->AcceptInput( "OnRescueZoneTouch", NULL, NULL, emptyVariant, 0 );
+}
+

game/server/cstrike/funfact_cs.cpp

@@ -0,0 +1,793 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+#include "cbase.h"
+#include "cs_gamerules.h"
+#include "cs_gamestats.h"
+#include "funfactmgr_cs.h"
+#include "funfact_cs.h"
+#include "../../game/shared/cstrike/weapon_csbase.h"
+#include "cs_achievement_constants.h"
+
+#define FIRST_BLOOD_TIME				45.0f
+#define FIRST_KILL_TIME					45.0f
+#define SHORT_ROUND_TIME				30.0f
+#define MIN_SHOTS_FOR_ACCURACY			10
+
+enum FunFactId
+{
+	FUNFACT_CT_WIN_NO_KILLS,
+	FUNFACT_T_WIN_NO_KILLS,
+	FUNFACT_KILL_DEFUSER,
+	FUNFACT_KILL_RESCUER,
+	FUNFACT_T_WIN_NO_CASUALTIES,
+	FUNFACT_CT_WIN_NO_CASUALTIES,
+	FUNFACT_DAMAGE_WITH_GRENADES,
+	FUNFACT_KILLS_WITH_GRENADES,
+	FUNFACT_KILLS_WITH_SINGLE_GRENADE,
+	FUNFACT_DAMAGE_NO_KILLS,
+	FUNFACT_KILLED_ENEMIES,
+	FUNFACT_FIRST_KILL,
+	FUNFACT_FIRST_BLOOD,
+	FUNFACT_SHORT_ROUND,
+	FUNFACT_BEST_ACCURACY,
+	FUNFACT_KNIFE_KILLS,
+	FUNFACT_BLIND_KILLS,
+	FUNFACT_KILLS_WITH_LAST_ROUND,
+	FUNFACT_DONATED_WEAPONS,
+	FUNFACT_POSTHUMOUS_KILLS_WITH_GRENADE,    
+	FUNFACT_KNIFE_IN_GUNFIGHT,
+	FUNFACT_NUM_TIMES_JUMPED,
+	FUNFACT_FALL_DAMAGE,
+	FUNFACT_ITEMS_PURCHASED,
+	FUNFACT_WON_AS_LAST_MEMBER,
+	FUNFACT_NUMBER_OF_OVERKILLS,
+	FUNFACT_SHOTS_FIRED,
+	FUNFACT_MONEY_SPENT,
+	FUNFACT_SURVIVED_MULTIPLE_ATTACKERS,
+	FUNFACT_DIED_FROM_MULTIPLE_ATTACKERS,
+	FUNFACT_DAMAGE_MULTIPLE_ENEMIES,
+	FUNFACT_GRENADES_THROWN,
+	FUNFACT_USED_ALL_AMMO,
+	FUNFACT_DEFENDED_BOMB,
+	FUNFACT_ITEMS_DROPPED_VALUE,
+	FUNFACT_KILL_WOUNDED_ENEMIES,
+	FUNFACT_USED_MULTIPLE_WEAPONS,
+	FUNFACT_TERRORIST_ACCURACY,
+	FUNFACT_CT_ACCURACY,
+	FUNFACT_SAME_UNIFORM_TERRORIST,
+	FUNFACT_SAME_UNIFORM_CT,
+	FUNFACT_BEST_TERRORIST_ACCURACY,
+	FUNFACT_BEST_COUNTERTERRORIST_ACCURACY,
+	FUNFACT_FALLBACK1,
+	FUNFACT_FALLBACK2,
+	FUNFACT_KILLS_HEADSHOTS,
+	FUNFACT_BROKE_WINDOWS,
+	FUNFACT_NIGHTVISION_DAMAGE,
+    FUNFACT_DEFUSED_WITH_DROPPED_KIT,
+    FUNFACT_KILLED_HALF_OF_ENEMIES,
+};
+
+
+CFunFactHelper *CFunFactHelper::s_pFirst = NULL;
+
+
+//=============================================================================
+// Generic evaluation Fun Fact
+// This fun fact will evaluate the specified function to determine when it is
+// valid. This is basically just a glue class for simple evaluation functions.
+//=============================================================================
+
+// Function type that we use to evaluate our fun facts.  The data is returned as ints then floats that are passed in as reference parameters
+typedef bool (*fFunFactEval)( int &iPlayer, int &data1, int &data2, int &data3 );
+
+class CFunFact_GenericEvalFunction : public FunFactEvaluator
+{
+public:
+	CFunFact_GenericEvalFunction(FunFactId id, const char* szLocalizationToken, float fCoolness, fFunFactEval pfnEval ) :
+		FunFactEvaluator(id, szLocalizationToken, fCoolness),
+		m_pfnEval(pfnEval)
+		{}
+
+	virtual bool Evaluate( FunFactVector& results ) const
+	{
+		FunFact funfact;
+		if (m_pfnEval(funfact.iPlayer, funfact.iData1, funfact.iData2, funfact.iData3))
+		{
+			funfact.id = GetId();
+			funfact.szLocalizationToken = GetLocalizationToken();
+			funfact.fMagnitude = 0.0f;
+			results.AddToTail(funfact);
+			return true;
+		}
+		else
+			return false;
+	}
+
+	private:
+		fFunFactEval m_pfnEval;
+};
+#define DECLARE_FUNFACT_EVALFUNC(funfactId, szLocalizationToken, fCoolness, pfnEval)			\
+static FunFactEvaluator *CreateFunFact_##funfactId( void )									\
+{																								\
+	return new CFunFact_GenericEvalFunction(funfactId, szLocalizationToken, fCoolness, pfnEval);\
+};																								\
+static CFunFactHelper g_##funfactId##_Helper( CreateFunFact_##funfactId );
+
+
+//=============================================================================
+// Per-player evaluation Fun Fact
+// Evaluate the function per player and generate a fun fact for each valid or
+// highest valid player
+//=============================================================================
+
+namespace EvalFlags
+{
+	enum Type
+	{
+		All					= 0x00,
+		TeamCT				= 0x01,
+		TeamTerrorist		= 0x02,
+		HighestOnly			= 0x04,	// when not set, generates fun facts for all valid testees
+		Alive				= 0x08,
+		Dead				= 0x10,
+		WinningTeam			= 0x20,
+		LosingTeam			= 0x40,
+	};
+};
+
+
+bool PlayerQualifies( const CBasePlayer* pPlayer, int flags )
+{
+	if ( (flags & EvalFlags::TeamCT) && pPlayer->GetTeamNumber() != TEAM_CT )
+		return false;
+	if ( (flags & EvalFlags::TeamTerrorist) && pPlayer->GetTeamNumber() != TEAM_TERRORIST )
+		return false;
+	if ( (flags & EvalFlags::Dead) && const_cast<CBasePlayer*>(pPlayer)->IsAlive() )	// IsAlive() really isn't const correct
+		return false;
+	if ( (flags & EvalFlags::Alive) && !const_cast<CBasePlayer*>(pPlayer)->IsAlive() )
+		return false;
+	if ( (flags & EvalFlags::WinningTeam) && pPlayer->GetTeamNumber() != CSGameRules()->m_iRoundWinStatus )
+		return false;
+	if ( (flags & EvalFlags::LosingTeam) && pPlayer->GetTeamNumber() == CSGameRules()->m_iRoundWinStatus )
+		return false;
+	return true;
+}
+
+
+typedef int (*PlayerEvalFunction)(CCSPlayer* pPlayer);
+
+class CFunFact_PlayerEvalFunction : public FunFactEvaluator
+{
+public:
+	CFunFact_PlayerEvalFunction(FunFactId id, const char* szLocalizationToken, float fCoolness, PlayerEvalFunction pfnEval, 
+		int iMin, int flags ) : 
+	FunFactEvaluator(id, szLocalizationToken, fCoolness),
+		m_pfnEval(pfnEval),
+		m_min(iMin),
+		m_flags(flags)
+	{}
+
+	virtual bool Evaluate( FunFactVector& results ) const
+	{
+		int iBestValue = 0;
+		int iBestPlayer = 0;
+		bool bResult = false;
+
+		for ( int i = 1; i <= gpGlobals->maxClients; i++ )
+		{
+			CCSPlayer* pPlayer = ToCSPlayer(UTIL_PlayerByIndex( i ) );
+			if ( pPlayer )
+			{
+				if (!PlayerQualifies(pPlayer, m_flags))
+					continue;
+
+				int iValue = m_pfnEval(pPlayer);
+
+				if (m_flags & EvalFlags::HighestOnly)
+				{
+					if ( iValue > iBestValue )
+					{
+						iBestValue = iValue;
+						iBestPlayer = i;
+					}
+				}
+				else
+				{
+					// generate fun facts for any player who meets the validation requirement
+					if ( iValue >= m_min )
+					{
+						FunFact funfact;
+						funfact.id = GetId();
+						funfact.szLocalizationToken = GetLocalizationToken();
+						funfact.iPlayer = i;
+						funfact.iData1 = iValue;
+						funfact.fMagnitude = 1.0f - ((float)m_min / iValue);
+						results.AddToTail(funfact);
+						bResult = true;
+					}
+				}
+			}
+		}
+		if ( (m_flags & EvalFlags::HighestOnly) && iBestValue >= m_min )
+		{
+			FunFact funfact;
+			funfact.id = GetId();
+			funfact.szLocalizationToken = GetLocalizationToken();
+			funfact.iPlayer = iBestPlayer;
+			funfact.iData1 = iBestValue;
+			funfact.fMagnitude = 1.0f - ((float)m_min / iBestValue);
+
+			results.AddToTail(funfact);
+			bResult = true;
+		}
+		return bResult;
+	}
+
+private:
+	PlayerEvalFunction	m_pfnEval;
+	int					m_min;
+	int					m_flags;
+};
+#define DECLARE_FUNFACT_PLAYERFUNC(funfactId, szLocalizationToken, fCoolness, pfnEval, iMin, iFlags)			\
+static FunFactEvaluator *CreateFunFact_##funfactId( void )													\
+{																												\
+	return new CFunFact_PlayerEvalFunction(funfactId, szLocalizationToken, fCoolness, pfnEval,	iMin, iFlags);	\
+};																												\
+static CFunFactHelper g_##funfactId##_Helper( CreateFunFact_##funfactId );
+
+
+//=============================================================================
+// Per-team evaluation Fun Fact
+//=============================================================================
+
+typedef bool (*TeamEvalFunction)(int iTeam, int &data1, int &data2, int &data3);
+
+class CFunFact_TeamEvalFunction : public FunFactEvaluator
+{
+public:
+	CFunFact_TeamEvalFunction(FunFactId id, const char* szLocalizationToken, float fCoolness, TeamEvalFunction pfnEval, int iTeam ) : 
+	  FunFactEvaluator(id, szLocalizationToken, fCoolness),
+		  m_pfnEval(pfnEval),
+		  m_team(iTeam)
+	  {}
+
+	  virtual bool Evaluate( FunFactVector& results ) const
+	  {
+		  int iData1, iData2, iData3;
+		  if ( m_pfnEval(m_team, iData1, iData2, iData3) )
+		  {
+			  FunFact funfact;
+			  funfact.id = GetId();
+			  funfact.szLocalizationToken = GetLocalizationToken();
+			  funfact.fMagnitude = 0.0f;
+			  results.AddToTail(funfact);
+			  return true;
+		  }
+		  return false;
+	  }
+
+private:
+	TeamEvalFunction m_pfnEval;
+	int				m_team;
+};
+#define DECLARE_FUNFACT_TEAMFUNC(funfactId, szLocalizationToken, fCoolness, pfnEval, iTeam)			\
+static FunFactEvaluator *CreateFunFact_##funfactId( void )										\
+{																									\
+	return new CFunFact_TeamEvalFunction(funfactId, szLocalizationToken, fCoolness, pfnEval, iTeam);\
+};																									\
+static CFunFactHelper g_##funfactId##_Helper( CreateFunFact_##funfactId );
+
+
+//=============================================================================
+// High Stat-based Fun Fact
+// This fun fact will find the player with the highest value for a particular
+// stat, and validate when that stat exceeds a specified minimum
+//=============================================================================
+class CFunFact_StatBest : public FunFactEvaluator
+{
+public:
+	CFunFact_StatBest(FunFactId id, const char* szLocalizationToken, float fCoolness, CSStatType_t statId, int iMin, int flags ) :
+	  FunFactEvaluator(id, szLocalizationToken, fCoolness),
+		  m_statId(statId),
+		  m_min(iMin),
+		  m_flags(flags)
+	  {
+		  V_strncpy(m_singularLocalizationToken, szLocalizationToken, sizeof(m_singularLocalizationToken));
+		  if (m_min == 1)
+		  {
+			  V_strncat(m_singularLocalizationToken, "_singular", sizeof(m_singularLocalizationToken));
+		  }
+	  }
+
+	  virtual bool Evaluate( FunFactVector& results ) const
+	  {
+		  int iBestValue = 0;
+		  int iBestPlayer = 0;
+		  for ( int i = 1; i <= gpGlobals->maxClients; i++ )
+		  {
+			  CBasePlayer *pPlayer = UTIL_PlayerByIndex( i );
+			  if ( pPlayer )
+			  {
+				  if (!PlayerQualifies(pPlayer, m_flags))
+					  continue;
+
+				  int iValue = CCS_GameStats.FindPlayerStats(pPlayer).statsCurrentRound[m_statId];
+				  if ( iValue > iBestValue )
+				  {
+					  iBestValue = iValue;
+					  iBestPlayer = i;
+				  }
+			  }
+		  }
+		  if ( iBestValue >= m_min )
+		  {
+			  FunFact funfact;
+			  funfact.id = GetId();
+			  funfact.szLocalizationToken = iBestValue == 1 ? m_singularLocalizationToken : GetLocalizationToken();
+			  funfact.iPlayer = iBestPlayer;
+			  funfact.iData1 = iBestValue;
+			  funfact.fMagnitude = 1.0f - ((float)m_min / iBestValue);
+
+			  results.AddToTail(funfact);
+			  return true;
+		  }
+		  return false;
+	  }
+
+private:
+	CSStatType_t	m_statId;
+	int				m_min;
+	char			m_singularLocalizationToken[128];
+	int				m_flags;
+
+};
+#define DECLARE_FUNFACT_STATBEST(funfactId, szLocalizationToken, fCoolness, statId, iMin, flags)	\
+static FunFactEvaluator *CreateFunFact_##funfactId( void )										\
+{																									\
+	return new CFunFact_StatBest(funfactId, szLocalizationToken, fCoolness, statId, iMin, flags);	\
+};																									\
+static CFunFactHelper g_##funfactId##_Helper( CreateFunFact_##funfactId );
+
+
+//=============================================================================
+// Sum-based Fun Fact
+// This fun fact will add up a stat for all players, and is valid when the 
+// sum exceeds a threshold
+//=============================================================================
+class CFunFact_StatSum : public FunFactEvaluator
+{
+public:
+	CFunFact_StatSum(FunFactId id, const char* szLocalizationToken, float fCoolness, CSStatType_t statId, int iMin, EvalFlags::Type flags ) :
+	  FunFactEvaluator(id, szLocalizationToken, fCoolness),
+		  m_statId(statId),
+		  m_min(iMin),
+		  m_flags(flags)
+	  {}
+
+	  virtual bool Evaluate( FunFactVector& results ) const
+	  {
+		  int iSum = 0;
+		  for ( int i = 1; i <= gpGlobals->maxClients; i++ )
+		  {
+			  CBasePlayer *pPlayer = UTIL_PlayerByIndex( i );
+			  if ( pPlayer )
+			  {
+				  if (!PlayerQualifies(pPlayer, m_flags))
+					  continue;
+
+				  iSum += CCS_GameStats.FindPlayerStats(pPlayer).statsCurrentRound[m_statId];
+			  }
+		  }
+		  if ( iSum >= m_min )
+		  {
+			  FunFact funfact;
+			  funfact.id = GetId();
+			  funfact.szLocalizationToken = GetLocalizationToken();
+			  funfact.iPlayer = 0;
+			  funfact.iData1 = iSum;
+			  funfact.fMagnitude = 1.0f - ((float)m_min / iSum);
+
+			  results.AddToTail(funfact);
+			  return true;
+		  }
+		  return false;
+	  }
+
+private:
+	CSStatType_t	m_statId;
+	int				m_min;
+	int				m_flags;
+
+};
+#define DECLARE_FUNFACT_STATSUM(funfactId, szLocalizationToken, fCoolness, statId, iMin, flags)	\
+static FunFactEvaluator *CreateFunFact_##funfactId( void )								\
+{																							\
+	return new CFunFact_StatSum(funfactId, szLocalizationToken, fCoolness, statId, iMin, flags);	\
+};																							\
+static CFunFactHelper g_##funfactId##_Helper( CreateFunFact_##funfactId );
+
+
+
+//=============================================================================
+// Helper function to calculate team accuracy
+//=============================================================================
+
+float GetTeamAccuracy( int teamNumber )
+{
+	int teamShots = 0;
+	int teamHits = 0;
+
+	//Add up hits and shots
+	CBasePlayer *pPlayer = NULL;
+	for ( int i = 1; i <= gpGlobals->maxClients; i++ )
+	{
+		pPlayer = UTIL_PlayerByIndex( i );
+		if (pPlayer)
+		{
+			if (pPlayer->GetTeamNumber() == teamNumber)
+			{
+				teamShots += CCS_GameStats.FindPlayerStats(pPlayer).statsCurrentRound[CSSTAT_SHOTS_FIRED];;
+				teamHits += CCS_GameStats.FindPlayerStats(pPlayer).statsCurrentRound[CSSTAT_SHOTS_HIT];;
+			}
+		}
+	}
+
+	if (teamShots > MIN_SHOTS_FOR_ACCURACY)
+		return (float)teamHits / teamShots;
+
+	return 0.0f;
+}
+
+
+
+//=============================================================================
+// fun fact explicit evaluation functions
+//=============================================================================
+
+bool FFEVAL_ALWAYS_TRUE( int &iPlayer, int &data1, int &data2, int &data3 )
+{
+	return true;
+}
+
+bool FFEVAL_CT_WIN_NO_KILLS( int &iPlayer, int &data1, int &data2, int &data3 )
+{
+	return ( CSGameRules()->m_iRoundWinStatus == WINNER_CT && CSGameRules()->m_bNoTerroristsKilled );
+}
+
+bool FFEVAL_T_WIN_NO_KILLS( int &iPlayer, int &data1, int &data2, int &data3 )
+{
+	return ( CSGameRules()->m_iRoundWinStatus == WINNER_TER && CSGameRules()->m_bNoCTsKilled );
+}
+
+bool FFEVAL_T_WIN_NO_CASUALTIES( int &iPlayer, int &data1, int &data2, int &data3 )
+{
+	return ( CSGameRules()->m_iRoundWinStatus == WINNER_TER && CSGameRules()->m_bNoTerroristsKilled );
+}
+
+bool FFEVAL_CT_WIN_NO_CASUALTIES( int &iPlayer, int &data1, int &data2, int &data3 )
+{
+	return ( CSGameRules()->m_iRoundWinStatus == WINNER_CT && CSGameRules()->m_bNoCTsKilled );
+}
+
+int FFEVAL_KILLED_DEFUSER( CCSPlayer* pPlayer )
+{
+	return pPlayer->GetKilledDefuser() ? 1 : 0;
+}
+
+int FFEVAL_KILLED_RESCUER( CCSPlayer* pPlayer )
+{
+	return pPlayer->GetKilledRescuer() ? 1 : 0;
+}
+
+int FFEVAL_KILLS_WITH_GRENADE( CCSPlayer* pPlayer )
+{
+	return pPlayer->GetMaxGrenadeKills();
+}
+
+int FFEVAL_DAMAGE_NO_KILLS( CCSPlayer* pPlayer )
+{
+	if (CCS_GameStats.FindPlayerStats(pPlayer).statsCurrentRound[CSSTAT_KILLS] == 0)
+		return CCS_GameStats.FindPlayerStats(pPlayer).statsCurrentRound[CSSTAT_DAMAGE];
+	else
+		return 0;
+}
+
+int FFEVAL_FIRST_KILL( CCSPlayer* pPlayer )
+{
+	if ( pPlayer == CSGameRules()->m_pFirstKill && CSGameRules()->m_firstKillTime < FIRST_KILL_TIME )
+		return CSGameRules()->m_firstKillTime;
+	else
+		return 0;
+}
+
+int FFEVAL_FIRST_BLOOD( CCSPlayer* pPlayer )
+{
+	if ( pPlayer == CSGameRules()->m_pFirstBlood && CSGameRules()->m_firstBloodTime < FIRST_BLOOD_TIME )
+		return CSGameRules()->m_firstBloodTime;
+	else
+		return 0;
+}
+
+bool FFEVAL_SHORT_ROUND( int &iPlayer, int &data1, int &data2, int &data3 )
+{
+	if ( CSGameRules()->GetRoundLength() - CSGameRules()->GetRoundRemainingTime() < SHORT_ROUND_TIME )
+	{
+		data1 = CSGameRules()->GetRoundLength() - CSGameRules()->GetRoundRemainingTime();
+		return true;
+	}
+	return false;
+}
+
+int FFEVAL_ACCURACY( CCSPlayer* pPlayer )
+{
+	float shots = CCS_GameStats.FindPlayerStats(pPlayer).statsCurrentRound[CSSTAT_SHOTS_FIRED];
+	float hits = CCS_GameStats.FindPlayerStats(pPlayer).statsCurrentRound[CSSTAT_SHOTS_HIT];
+	if (shots >= MIN_SHOTS_FOR_ACCURACY)
+		return RoundFloatToInt(100.0f * hits / shots);
+	return 0;
+}
+
+int FFEVAL_KILLED_HALF_OF_ENEMIES( CCSPlayer* pPlayer )
+{
+    return pPlayer->GetPercentageOfEnemyTeamKilled();
+}
+
+bool FFEVAL_WON_AS_LAST_MEMBER( int &iPlayer, int &data1, int &data2, int &data3 )
+{
+	CCSPlayer *pCSPlayer = NULL;
+	int winningTeam = CSGameRules()->m_iRoundWinStatus;
+
+	if (winningTeam != TEAM_TERRORIST && winningTeam != TEAM_CT)
+	{
+		return false;
+	}
+
+	int losingTeam = (winningTeam == TEAM_TERRORIST) ? TEAM_CT : TEAM_TERRORIST;
+
+	CCSGameRules::TeamPlayerCounts playerCounts[TEAM_MAXCOUNT];
+	CSGameRules()->GetPlayerCounts(playerCounts);
+
+	for ( int i = 1; i <= gpGlobals->maxClients; i++ )
+	{
+		pCSPlayer = ToCSPlayer(UTIL_PlayerByIndex( i ) );
+		if( pCSPlayer && pCSPlayer->GetTeamNumber() == winningTeam && pCSPlayer->IsAlive())
+		{
+			//Check if the player is still the only living member of his team ( on the off chance that a player joins late)
+			//This check is a little hacky. We make sure that there are no enemies alive. Since the bomb causes the round to end before exploding,
+			//the only way for only 1 person to be alive at round win time is extermination or defuse (in both cases, the last living player caused the win)
+			if (playerCounts[winningTeam].totalAlivePlayers == 1 && playerCounts[losingTeam].totalAlivePlayers == 0)
+			{
+				const PlayerStats_t& playerStats = CCS_GameStats.FindPlayerStats( pCSPlayer );
+				iPlayer = i;
+				data1 = playerStats.statsCurrentRound[CSSTAT_KILLS_WHILE_LAST_PLAYER_ALIVE];
+				if (data1 >= 2)
+				{
+					return true;
+				}
+			}
+		}
+	}
+
+	return false;
+}
+
+int FFEVAL_KNIFE_IN_GUNFIGHT( CCSPlayer* pPlayer )
+{
+	return pPlayer->WasWieldingKnifeAndKilledByGun() ? 1 : 0;
+}
+
+int FFEVAL_MULTIPLE_ATTACKER_COUNT( CCSPlayer* pPlayer )
+{
+	return pPlayer->GetNumEnemyDamagers();
+}
+
+int FFEVAL_USED_ALL_AMMO( CCSPlayer* pPlayer )
+{
+    CWeaponCSBase *pRifleWeapon = dynamic_cast< CWeaponCSBase * >(pPlayer->Weapon_GetSlot( WEAPON_SLOT_RIFLE ));
+    CWeaponCSBase *pHandgunWeapon = dynamic_cast< CWeaponCSBase * >(pPlayer->Weapon_GetSlot( WEAPON_SLOT_PISTOL ));
+    if ( pRifleWeapon && !pRifleWeapon->HasAmmo() && pHandgunWeapon && !pHandgunWeapon->HasAmmo() )
+		return 1;
+	else
+		return 0;
+}
+
+int FFEVAL_DAMAGE_MULTIPLE_ENEMIES( CCSPlayer* pPlayer )
+{
+	return pPlayer->GetNumEnemiesDamaged();
+}
+
+int FFEVAL_USED_MULTIPLE_WEAPONS( CCSPlayer* pPlayer )
+{
+	return pPlayer->GetNumFirearmsUsed();
+}
+
+int FFEVAL_DEFUSED_WITH_DROPPED_KIT( CCSPlayer* pPlayer )
+{
+    return pPlayer->GetDefusedWithPickedUpKit() ? 1 : 0;
+}
+
+bool FFEVAL_TERRORIST_ACCURACY( int &iPlayer, int &data1, int &data2, int &data3 )
+{
+	float terroristAccuracy = GetTeamAccuracy(TEAM_TERRORIST);
+	float ctAccuracy = GetTeamAccuracy(TEAM_CT);
+
+	if (terroristAccuracy > 0.2f && terroristAccuracy > ctAccuracy)
+	{
+		data1 = RoundFloatToInt(terroristAccuracy * 100.0f);
+		return true;
+	}
+	return false;
+}
+
+bool FFEVAL_CT_ACCURACY( int &iPlayer, int &data1, int &data2, int &data3 )
+{
+	float terroristAccuracy = GetTeamAccuracy(TEAM_TERRORIST);
+	float ctAccuracy = GetTeamAccuracy(TEAM_CT);
+
+	if (ctAccuracy > 0.2f && ctAccuracy > terroristAccuracy)
+	{
+		data1 = RoundFloatToInt(ctAccuracy * 100.0f);
+		return true;
+	}
+	return false;
+}
+
+bool FFEVAL_SAME_UNIFORM( int iTeam, int &iData1, int &iData2, int &iData3 )
+{
+    int numberInUniform = 0;
+	int iUniform = -1;
+
+    for ( int i = 1; i <= gpGlobals->maxClients; i++ )
+    {
+        CCSPlayer *pCSPlayer = ToCSPlayer(UTIL_PlayerByIndex( i ) );
+		if ( pCSPlayer && pCSPlayer->GetTeamNumber() == iTeam && pCSPlayer->State_Get() != STATE_PICKINGCLASS)
+        {		
+            if (iUniform == -1)
+			{
+				iUniform = pCSPlayer->PlayerClass();
+			}
+			else if (pCSPlayer->PlayerClass() != iUniform)
+			{
+				return false;
+			}
+			++numberInUniform;
+        }
+    }
+
+	return numberInUniform >= 3;
+}
+
+bool FFEVAL_BEST_TERRORIST_ACCURACY( int &iPlayer, int &data1, int &data2, int &data3 )
+{
+    float fAccuracy = 0.0f, fBestAccuracy = 0.0f;
+    CBasePlayer *pPlayer = NULL;
+    for ( int i = 1; i <= gpGlobals->maxClients; i++ )
+    {
+        pPlayer = UTIL_PlayerByIndex( i );
+
+        // Look only at terrorist players
+        if ( pPlayer && pPlayer->GetTeamNumber() == TEAM_TERRORIST )
+        {
+            // Calculate accuracy the terrorist
+            float shots = CCS_GameStats.FindPlayerStats(pPlayer).statsCurrentRound[CSSTAT_SHOTS_FIRED];
+            float hits = CCS_GameStats.FindPlayerStats(pPlayer).statsCurrentRound[CSSTAT_SHOTS_HIT];
+            if (shots > MIN_SHOTS_FOR_ACCURACY)
+            {
+                fAccuracy = (float)hits / shots;
+            }
+
+            // Track the most accurate terrorist
+            if ( fAccuracy > fBestAccuracy )
+            {
+                fBestAccuracy = fAccuracy;
+                iPlayer = i;
+            }
+        }
+    }
+
+    if ( fBestAccuracy - GetTeamAccuracy( TEAM_TERRORIST ) >= 0.10f )
+    {
+		data1 = RoundFloatToInt(fBestAccuracy * 100.0f);
+        data2 = RoundFloatToInt(GetTeamAccuracy( TEAM_TERRORIST ) * 100.0f);
+        return true;
+    }
+
+    return false;
+}
+
+bool FFEVAL_BEST_COUNTERTERRORIST_ACCURACY( int &iPlayer, int &data1, int &data2, int &data3 )
+{
+	float fAccuracy = 0.0f, fBestAccuracy = 0.0f;
+    CBasePlayer *pPlayer = NULL;
+    for ( int i = 1; i <= gpGlobals->maxClients; i++ )
+    {
+        pPlayer = UTIL_PlayerByIndex( i );
+
+        // Look only at counter-terrorist players
+        if ( pPlayer && pPlayer->GetTeamNumber() == TEAM_CT )
+        {
+            // Calculate accuracy the counter-terrorist
+            float shots = CCS_GameStats.FindPlayerStats(pPlayer).statsCurrentRound[CSSTAT_SHOTS_FIRED];
+            float hits = CCS_GameStats.FindPlayerStats(pPlayer).statsCurrentRound[CSSTAT_SHOTS_HIT];
+            if (shots > MIN_SHOTS_FOR_ACCURACY)
+            {
+                fAccuracy = (float)hits / shots;
+            }
+
+            // Track the most accurate counter-terrorist
+            if ( fAccuracy > fBestAccuracy )
+            {
+                fBestAccuracy = fAccuracy;
+                iPlayer = i;
+            }
+        }
+    }
+
+	if ( fBestAccuracy - GetTeamAccuracy( TEAM_CT ) >= 0.10f )
+	{
+		data1 = RoundFloatToInt(fBestAccuracy * 100.0f);
+		data2 = RoundFloatToInt(GetTeamAccuracy( TEAM_CT ) * 100.0f);
+        return true;
+    }
+
+    return false;
+}
+
+
+//=============================================================================
+// Fun Fact Declarations
+//=============================================================================
+
+DECLARE_FUNFACT_STATBEST(	FUNFACT_DAMAGE_WITH_GRENADES,			"#funfact_damage_with_grenade",				0.5f,	CSSTAT_GRENADE_DAMAGE,					200,	EvalFlags::HighestOnly);
+DECLARE_FUNFACT_STATBEST(	FUNFACT_KNIFE_KILLS,					"#funfact_knife_kills",						0.5f,	CSSTAT_KILLS_KNIFE,						1,		EvalFlags::HighestOnly);
+DECLARE_FUNFACT_STATBEST(	FUNFACT_KILLS_WITH_GRENADES,			"#funfact_kills_grenades",					0.7f, 	CSSTAT_KILLS_HEGRENADE,					2,		EvalFlags::HighestOnly);
+DECLARE_FUNFACT_STATBEST(	FUNFACT_BLIND_KILLS,					"#funfact_blind_kills",						0.9f,	CSSTAT_KILLS_WHILE_BLINDED,				1,		EvalFlags::HighestOnly);
+DECLARE_FUNFACT_STATBEST(	FUNFACT_KILLED_ENEMIES,					"#funfact_killed_enemies",					0.6f,	CSSTAT_KILLS,							3,		EvalFlags::HighestOnly);
+DECLARE_FUNFACT_STATBEST(	FUNFACT_KILLS_WITH_LAST_ROUND,			"#funfact_kills_with_last_round",			0.6f,	CSSTAT_KILLS_WITH_LAST_ROUND,			1,		EvalFlags::HighestOnly);
+DECLARE_FUNFACT_STATBEST(	FUNFACT_DONATED_WEAPONS,				"#funfact_donated_weapons",					0.3f,	CSSTAT_WEAPONS_DONATED,					2,		EvalFlags::HighestOnly);
+DECLARE_FUNFACT_STATBEST(	FUNFACT_NUM_TIMES_JUMPED,				"#funfact_num_times_jumped",				0.2f,	CSSTAT_TOTAL_JUMPS,						10,		EvalFlags::HighestOnly);
+DECLARE_FUNFACT_STATBEST(	FUNFACT_FALL_DAMAGE,					"#funfact_fall_damage",						0.2f,	CSSTAT_FALL_DAMAGE,						50,		EvalFlags::HighestOnly);
+DECLARE_FUNFACT_STATBEST(	FUNFACT_POSTHUMOUS_KILLS_WITH_GRENADE,	"#funfact_posthumous_kills_with_grenade",	1.0f,	CSSTAT_GRENADE_POSTHUMOUSKILLS,			1,		EvalFlags::HighestOnly);
+DECLARE_FUNFACT_STATBEST(	FUNFACT_ITEMS_PURCHASED,				"#funfact_items_purchased",					0.2f,	CSSTAT_ITEMS_PURCHASED,					5,		EvalFlags::HighestOnly);
+DECLARE_FUNFACT_STATBEST(	FUNFACT_NUMBER_OF_OVERKILLS,			"#funfact_number_of_overkills",				0.5f,	CSSTAT_DOMINATION_OVERKILLS,			2,		EvalFlags::HighestOnly);
+DECLARE_FUNFACT_STATBEST(	FUNFACT_MONEY_SPENT,					"#funfact_money_spent",						0.2f,	CSSTAT_MONEY_SPENT,						5000,	EvalFlags::HighestOnly);
+DECLARE_FUNFACT_STATBEST(	FUNFACT_GRENADES_THROWN,				"#funfact_grenades_thrown",					0.3f,	CSSTAT_GRENADES_THROWN,					2,		EvalFlags::HighestOnly);
+DECLARE_FUNFACT_STATBEST(	FUNFACT_DEFENDED_BOMB,					"#funfact_defended_bomb",					0.5f,	CSSTAT_KILLS_WHILE_DEFENDING_BOMB,		2,		EvalFlags::HighestOnly);
+DECLARE_FUNFACT_STATBEST(	FUNFACT_ITEMS_DROPPED_VALUE,			"#funfact_items_dropped_value",				0.5f,	CSTAT_ITEMS_DROPPED_VALUE,				10000,	EvalFlags::HighestOnly);
+DECLARE_FUNFACT_STATBEST(	FUNFACT_KILL_WOUNDED_ENEMIES,			"#funfact_kill_wounded_enemies",			0.4f,	CSSTAT_KILLS_ENEMY_WOUNDED,				3,		EvalFlags::HighestOnly);
+DECLARE_FUNFACT_STATBEST(	FUNFACT_KILLS_HEADSHOTS,				"#funfact_kills_headshots",					0.7f,	CSSTAT_KILLS_HEADSHOT,					3,		EvalFlags::HighestOnly);
+DECLARE_FUNFACT_STATBEST(	FUNFACT_BROKE_WINDOWS,					"#funfact_broke_windows",					0.3f,	CSSTAT_NUM_BROKEN_WINDOWS,				5,		EvalFlags::HighestOnly);
+DECLARE_FUNFACT_STATBEST(	FUNFACT_NIGHTVISION_DAMAGE,				"#funfact_nightvision_damage",				0.5f,	CSSTAT_NIGHTVISION_DAMAGE,				100,	EvalFlags::HighestOnly);
+
+DECLARE_FUNFACT_STATSUM(	FUNFACT_SHOTS_FIRED,					"#funfact_shots_fired",						0.1f,	CSSTAT_SHOTS_FIRED,						200,	EvalFlags::All);
+
+DECLARE_FUNFACT_PLAYERFUNC(	FUNFACT_KILL_DEFUSER,					"#funfact_kill_defuser",					0.6f, 	FFEVAL_KILLED_DEFUSER,					1,		EvalFlags::TeamTerrorist | EvalFlags::WinningTeam);
+DECLARE_FUNFACT_PLAYERFUNC( FUNFACT_KILL_RESCUER,					"#funfact_kill_rescuer",					0.6f, 	FFEVAL_KILLED_RESCUER,					1,		EvalFlags::TeamTerrorist);
+DECLARE_FUNFACT_PLAYERFUNC(	FUNFACT_KILLS_WITH_SINGLE_GRENADE,		"#funfact_kills_with_single_grenade",		0.8f, 	FFEVAL_KILLS_WITH_GRENADE,				2,		EvalFlags::HighestOnly);
+DECLARE_FUNFACT_PLAYERFUNC(	FUNFACT_DAMAGE_NO_KILLS,				"#funfact_damage_no_kills",					0.4f, 	FFEVAL_DAMAGE_NO_KILLS,					200,	EvalFlags::HighestOnly);
+DECLARE_FUNFACT_PLAYERFUNC( FUNFACT_FIRST_KILL,						"#funfact_first_kill",						0.2f, 	FFEVAL_FIRST_KILL,						1,		EvalFlags::HighestOnly);
+DECLARE_FUNFACT_PLAYERFUNC(	FUNFACT_FIRST_BLOOD,					"#funfact_first_blood",						0.2f, 	FFEVAL_FIRST_BLOOD,						1,		EvalFlags::HighestOnly);
+DECLARE_FUNFACT_PLAYERFUNC( FUNFACT_BEST_ACCURACY,					"#funfact_best_accuracy",					0.4f,	FFEVAL_ACCURACY,						20,		EvalFlags::HighestOnly);
+DECLARE_FUNFACT_PLAYERFUNC( FUNFACT_KNIFE_IN_GUNFIGHT,				"#funfact_knife_in_gunfight",				0.6f, 	FFEVAL_KNIFE_IN_GUNFIGHT ,				1,		EvalFlags::All);
+DECLARE_FUNFACT_PLAYERFUNC(	FUNFACT_SURVIVED_MULTIPLE_ATTACKERS,	"#funfact_survived_multiple_attackers",		0.3f,	FFEVAL_MULTIPLE_ATTACKER_COUNT,			3,		EvalFlags::HighestOnly | EvalFlags::Alive);
+DECLARE_FUNFACT_PLAYERFUNC(	FUNFACT_DIED_FROM_MULTIPLE_ATTACKERS,	"#funfact_died_from_multiple_attackers",	0.5f,	FFEVAL_MULTIPLE_ATTACKER_COUNT,			3,		EvalFlags::HighestOnly | EvalFlags::Dead);
+DECLARE_FUNFACT_PLAYERFUNC(	FUNFACT_USED_ALL_AMMO,					"#funfact_used_all_ammo",					0.5f,	FFEVAL_USED_ALL_AMMO,					1,		EvalFlags::All );
+DECLARE_FUNFACT_PLAYERFUNC(	FUNFACT_DAMAGE_MULTIPLE_ENEMIES,		"#funfact_damage_multiple_enemies",			0.5f,	FFEVAL_DAMAGE_MULTIPLE_ENEMIES,			3,		EvalFlags::HighestOnly);
+DECLARE_FUNFACT_PLAYERFUNC(	FUNFACT_USED_MULTIPLE_WEAPONS,			"#funfact_used_multiple_weapons",			0.5f,	FFEVAL_USED_MULTIPLE_WEAPONS,			4,		EvalFlags::HighestOnly);
+DECLARE_FUNFACT_PLAYERFUNC(	FUNFACT_DEFUSED_WITH_DROPPED_KIT,       "#funfact_defused_with_dropped_kit",        0.4f, 	FFEVAL_DEFUSED_WITH_DROPPED_KIT,        1,		EvalFlags::TeamCT);
+DECLARE_FUNFACT_PLAYERFUNC(	FUNFACT_KILLED_HALF_OF_ENEMIES,         "#funfact_killed_half_of_enemies",          0.5f, 	FFEVAL_KILLED_HALF_OF_ENEMIES,          50,		EvalFlags::WinningTeam | EvalFlags::HighestOnly);
+
+DECLARE_FUNFACT_EVALFUNC(	FUNFACT_CT_WIN_NO_KILLS,				"#funfact_ct_win_no_kills",					0.4f,	FFEVAL_CT_WIN_NO_KILLS);
+DECLARE_FUNFACT_EVALFUNC( 	FUNFACT_T_WIN_NO_KILLS,					"#funfact_t_win_no_kills",					0.4f, 	FFEVAL_T_WIN_NO_KILLS );
+DECLARE_FUNFACT_EVALFUNC( 	FUNFACT_T_WIN_NO_CASUALTIES,			"#funfact_t_win_no_casualties",				0.2f, 	FFEVAL_T_WIN_NO_CASUALTIES );
+DECLARE_FUNFACT_EVALFUNC( 	FUNFACT_CT_WIN_NO_CASUALTIES,			"#funfact_ct_win_no_casualties",			0.2f, 	FFEVAL_CT_WIN_NO_CASUALTIES );
+DECLARE_FUNFACT_EVALFUNC( 	FUNFACT_SHORT_ROUND,					"#funfact_short_round",						0.3f, 	FFEVAL_SHORT_ROUND );
+DECLARE_FUNFACT_EVALFUNC( 	FUNFACT_WON_AS_LAST_MEMBER,				"#funfact_won_as_last_member",				0.6f, 	FFEVAL_WON_AS_LAST_MEMBER );
+DECLARE_FUNFACT_EVALFUNC(	FUNFACT_TERRORIST_ACCURACY,				"#funfact_terrorist_accuracy",				0.2f,	FFEVAL_TERRORIST_ACCURACY);
+DECLARE_FUNFACT_EVALFUNC(	FUNFACT_CT_ACCURACY,					"#funfact_ct_accuracy",						0.2f,	FFEVAL_CT_ACCURACY);
+DECLARE_FUNFACT_EVALFUNC(	FUNFACT_BEST_TERRORIST_ACCURACY,		"#funfact_best_terrorist_accuracy",			0.3f,	FFEVAL_BEST_TERRORIST_ACCURACY);
+DECLARE_FUNFACT_EVALFUNC(	FUNFACT_BEST_COUNTERTERRORIST_ACCURACY, "#funfact_best_counterterrorist_accuracy",	0.3f,	FFEVAL_BEST_COUNTERTERRORIST_ACCURACY);
+DECLARE_FUNFACT_EVALFUNC(	FUNFACT_FALLBACK1,						"#funfact_fallback1",						0.0f,	FFEVAL_ALWAYS_TRUE);
+DECLARE_FUNFACT_EVALFUNC(	FUNFACT_FALLBACK2,						"#funfact_fallback2",						0.0f,	FFEVAL_ALWAYS_TRUE);
+
+DECLARE_FUNFACT_TEAMFUNC(	FUNFACT_SAME_UNIFORM_TERRORIST,			"#funfact_same_uniform_terrorist",			0.5f,	FFEVAL_SAME_UNIFORM,					        TEAM_TERRORIST);
+DECLARE_FUNFACT_TEAMFUNC(	FUNFACT_SAME_UNIFORM_CT,				"#funfact_same_uniform_ct",					0.5f,	FFEVAL_SAME_UNIFORM,					        TEAM_CT);

game/server/cstrike/funfact_cs.h

@@ -0,0 +1,71 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+#ifndef INCLUDED_funfact_cs
+#define INCLUDED_funfact_cs
+#pragma once
+
+#include "cs_player.h"
+
+struct FunFact
+{
+	FunFact() :
+		id(-1),
+		szLocalizationToken(NULL),
+		iPlayer(0),
+		iData1(0),
+		iData2(0),
+		iData3(0),
+		fMagnitude(0.0f)
+		{}
+	int id;
+	const char* szLocalizationToken;
+	int iPlayer;
+	int iData1;
+	int iData2;
+	int iData3;
+	float fMagnitude;
+};
+
+typedef CUtlVector<FunFact> FunFactVector;
+
+class FunFactEvaluator
+{
+	DECLARE_CLASS_NOBASE( FunFactEvaluator );
+public:
+	FunFactEvaluator( int id, const char* szLocalizationToken, float fCoolness ) :
+		m_id(id),
+		m_pLocalizationToken(szLocalizationToken),
+		m_fCoolness(fCoolness)
+	{}
+
+	virtual ~FunFactEvaluator() {}
+
+	int GetId() const { return m_id; }
+	const char* GetLocalizationToken() const { return m_pLocalizationToken; }
+	float GetCoolness() const { return m_fCoolness; }
+
+	virtual bool Evaluate( FunFactVector& results ) const = 0;
+
+private:
+	int  m_id;
+	const char* m_pLocalizationToken;
+	float m_fCoolness;
+};
+
+
+typedef FunFactEvaluator* (*funfactCreateFunc) (void);
+class CFunFactHelper
+{
+public:
+	CFunFactHelper ( funfactCreateFunc createFunc )
+	{
+		m_pfnCreate = createFunc;
+		m_pNext = s_pFirst;
+		s_pFirst = this;
+	}
+	funfactCreateFunc m_pfnCreate;
+	CFunFactHelper *m_pNext;
+	static CFunFactHelper *s_pFirst;
+};
+
+#endif // INCLUDED_funfact_cs
+

game/server/cstrike/funfactmgr_cs.cpp

@@ -0,0 +1,204 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+#include "cbase.h"
+#include "usermessages.h"
+#include "funfactmgr_cs.h"
+
+const float kCooldownRatePlayer		= 0.4f;
+const float kCooldownRateFunFact	= 0.2f;
+
+const float kWeightPlayerCooldown	= 0.8f;
+const float kWeightFunFactCooldown	= 1.0f;
+const float kWeightCoolness			= 2.0f;
+const float kWeightRarity			= 1.0f;
+
+#define DEBUG_FUNFACT_SCORING 0
+
+//-----------------------------------------------------------------------------
+// Purpose: constructor
+//-----------------------------------------------------------------------------
+CCSFunFactMgr::CCSFunFactMgr() : 
+	CAutoGameSystemPerFrame( "CCSFunFactMgr" ),
+	m_funFactDatabase(0, 100, DefLessFunc(int) )
+{
+	for ( int i = 0; i < MAX_PLAYERS; ++i )
+	{
+		m_playerCooldown[i] = 0.0f;
+	}
+}
+
+CCSFunFactMgr::~CCSFunFactMgr()
+{
+	Shutdown();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Initializes the fun fact manager
+//-----------------------------------------------------------------------------
+bool CCSFunFactMgr::Init()
+{
+	ListenForGameEvent( "player_connect" );
+
+	CFunFactHelper *pFunFactHelper = CFunFactHelper::s_pFirst;
+
+	// create database of all fun fact evaluators (and initial usage metrics)
+	while ( pFunFactHelper )
+	{
+		FunFactDatabaseEntry entry;
+		entry.fCooldown = 0.0f;
+		entry.iOccurrences = 0;
+		entry.pEvaluator = pFunFactHelper->m_pfnCreate();
+		m_funFactDatabase.Insert(entry.pEvaluator->GetId(), entry);
+
+		pFunFactHelper = pFunFactHelper->m_pNext;
+	}
+
+	for (int i = 0; i < ARRAYSIZE(m_playerCooldown); ++i)
+	{
+		m_playerCooldown[i] = 0.0f;
+	}
+
+	m_numRounds = 0;
+
+	return true;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Shuts down the fun fact manager
+//-----------------------------------------------------------------------------
+void CCSFunFactMgr::Shutdown()
+{
+	FOR_EACH_MAP( m_funFactDatabase, iter )
+	{
+		delete m_funFactDatabase[iter].pEvaluator;
+	}
+	m_funFactDatabase.RemoveAll();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Per frame processing
+//-----------------------------------------------------------------------------
+void CCSFunFactMgr::Update( float frametime )
+{
+
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Listens for game events.  Clears out map based stats and player based stats when necessary
+//-----------------------------------------------------------------------------
+void CCSFunFactMgr::FireGameEvent( IGameEvent *event )
+{
+	const char *eventname = event->GetName();
+
+	if ( Q_strcmp( "player_connect", eventname ) == 0 )
+	{
+		int index = event->GetInt("index");// player slot (entity index-1)
+		ASSERT( index >= 0 && index < MAX_PLAYERS );
+		if( index >= 0 && index < MAX_PLAYERS )
+		{
+			m_playerCooldown[index] = 0.0f;
+		}
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Finds the best fun fact to display and returns all necessary information through the parameters
+//-----------------------------------------------------------------------------
+bool CCSFunFactMgr::GetRoundEndFunFact( int iWinningTeam, int iRoundResult, FunFact& funfact )
+{
+	FunFactVector validFunFacts;
+
+	// Generate a vector of all valid fun facts for this round
+	FOR_EACH_MAP( m_funFactDatabase, i )
+	{
+		FunFact funFact;
+		if ( m_funFactDatabase[i].pEvaluator->Evaluate(validFunFacts) )
+		{
+			m_funFactDatabase[i].iOccurrences++;
+		}
+	}
+
+	m_numRounds++;
+
+	if (validFunFacts.Size() == 0)
+		return false;
+
+	// pick the fun fact with the highest score
+	float fBestScore = -FLT_MAX;
+	int iFunFactIndex = -1;
+
+#if DEBUG_FUNFACT_SCORING
+	Msg("Scoring fun facts:\n");
+#endif
+
+	FOR_EACH_VEC(validFunFacts, i)
+	{
+		float fScore = ScoreFunFact(validFunFacts[i]);
+
+#if DEBUG_FUNFACT_SCORING
+		char szPlayerName[64];
+		const FunFact& funfact = validFunFacts[i];
+		if (funfact.iPlayer > 0)
+			V_strncpy(szPlayerName, ToCSPlayer(UTIL_PlayerByIndex(funfact.iPlayer))->GetPlayerName(), sizeof(szPlayerName));
+		else
+			V_strcpy(szPlayerName, "");
+
+		Msg("(%5.4f) %s, %s, %i, %i, %i\n", fScore, funfact.szLocalizationToken, szPlayerName, funfact.iData1, funfact.iData2, funfact.iData3);
+#endif
+
+		if (fScore > fBestScore)
+		{
+			fBestScore = fScore;
+			iFunFactIndex = i;
+		}
+	}
+
+	if (iFunFactIndex < 0)
+		return false;
+	
+	funfact = validFunFacts[iFunFactIndex];
+
+	// decay player cooldowns
+	for (int i = 0; i < MAX_PLAYERS; ++i )
+	{
+		m_playerCooldown[i] *= (1.0f - kCooldownRatePlayer);
+	}
+
+	// decay funfact cooldowns
+	FOR_EACH_MAP(m_funFactDatabase, i)
+	{
+		m_funFactDatabase[i].fCooldown *= (1.0f - kCooldownRateFunFact);
+	}
+
+	// set player cooldown for player in funfact
+	if ( funfact.iPlayer )
+	{
+		m_playerCooldown[funfact.iPlayer - 1] = 1.0f;
+	}
+
+	// set funfact cooldown for current funfact
+	m_funFactDatabase[m_funFactDatabase.Find(funfact.id)].fCooldown = 1.0f;
+
+	return true;
+}
+
+float CCSFunFactMgr::ScoreFunFact( const FunFact& funfact )
+{
+	float fScore = 0.0f;
+	const FunFactDatabaseEntry& dbEntry = m_funFactDatabase[m_funFactDatabase.Find(funfact.id)];
+
+	// add the coolness score for the funfact
+	fScore += kWeightCoolness * dbEntry.pEvaluator->GetCoolness() * (1.0f + funfact.fMagnitude);
+
+	// subtract the cooldown for the funfact
+	fScore -= kWeightFunFactCooldown * dbEntry.fCooldown;
+	
+	// subtract the cooldown for the player
+	if ( funfact.iPlayer ) {
+		fScore -= kWeightPlayerCooldown * m_playerCooldown[funfact.iPlayer - 1];
+	}
+
+	// add the rarity bonus
+	fScore += kWeightRarity * powf((1.0f - (float)dbEntry.iOccurrences / m_numRounds), 2.0f);
+
+	return fScore;
+}

game/server/cstrike/funfactmgr_cs.h

@@ -0,0 +1,45 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+#ifndef FUNFACTMGR_H
+#define FUNFACTMGR_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "GameEventListener.h"
+#include "funfact_cs.h"
+#include "utlmap.h"
+
+class FunFactEvaluator;
+
+class CCSFunFactMgr : public CAutoGameSystemPerFrame, public CGameEventListener
+{
+public:
+	CCSFunFactMgr();
+	~CCSFunFactMgr();
+
+	virtual bool Init();
+	virtual void Shutdown();
+	virtual void Update( float frametime );
+
+	bool GetRoundEndFunFact( int iWinningTeam, int iRoundResult, FunFact& funfact );
+
+protected:
+	float ScoreFunFact( const FunFact& funfact );
+	void FireGameEvent( IGameEvent *event );
+
+private:
+
+	float m_playerCooldown[MAX_PLAYERS];	// Weights for all players.  Updated every round
+
+	struct FunFactDatabaseEntry
+	{
+		const FunFactEvaluator* pEvaluator;
+		int iOccurrences;
+		float fCooldown;
+	};
+	CUtlMap<int, FunFactDatabaseEntry> m_funFactDatabase;
+	int m_numRounds;
+};
+
+#endif
+

game/server/cstrike/holiday_gift.cpp

@@ -0,0 +1,128 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "smokegrenade_projectile.h"
+#include "sendproxy.h"
+#include "holiday_gift.h"
+#include "cs_player.h"
+#include "KeyValues.h"
+#include "bot_manager.h"
+#include "weapon_csbase.h"
+
+#define CHRISTMAS_MODEL "models/items/cs_gift.mdl"
+												  
+LINK_ENTITY_TO_CLASS( holiday_gift, CHolidayGift );
+PRECACHE_WEAPON_REGISTER( holiday_gift );
+
+//-----------------------------------------------------------------------------
+CHolidayGift* CHolidayGift::Create( const Vector &position, const QAngle &angles, const QAngle &eyeAngles, const Vector &velocity, CBaseCombatCharacter *pOwner )
+{
+	CHolidayGift *pGift = (CHolidayGift*)CBaseEntity::Create( "holiday_gift", position, angles, pOwner );
+	
+	if ( pGift )
+	{
+		pGift->AddSpawnFlags( SF_NORESPAWN );
+
+		Vector vecRight, vecUp;
+		AngleVectors( eyeAngles, NULL, &vecRight, &vecUp );
+
+		// Calculate the initial impulse on the gift.
+		Vector vecImpulse( 0.0f, 0.0f, 0.0f );
+		vecImpulse += vecUp * random->RandomFloat( 0, 0.25 );
+		vecImpulse += vecRight * random->RandomFloat( -0.25, 0.25 );
+		VectorNormalize( vecImpulse );
+		vecImpulse *= random->RandomFloat( 100.0, 150.0 );
+		vecImpulse += velocity;
+
+		// Cap the impulse.
+		float flSpeed = vecImpulse.Length();
+		if ( flSpeed > 300.0 )
+		{
+			VectorScale( vecImpulse, 300.0 / flSpeed, vecImpulse );
+		}
+
+		pGift->SetMoveType( MOVETYPE_FLYGRAVITY );
+		pGift->SetAbsVelocity( vecImpulse * 2.f + Vector(0,0,200) );
+		pGift->SetAbsAngles( QAngle(0,0,0) );
+		pGift->UseClientSideAnimation();
+		pGift->ResetSequence( pGift->LookupSequence("idle") );
+
+		pGift->EmitSound( "Christmas.GiftDrop" );
+
+		pGift->ActivateWhenAtRest();
+	}
+
+	return pGift;
+}
+
+//-----------------------------------------------------------------------------
+void CHolidayGift::Precache()
+{
+	BaseClass::Precache();
+
+	PrecacheModel( CHRISTMAS_MODEL );
+	PrecacheScriptSound( "Christmas.GiftDrop" );
+	PrecacheScriptSound( "Christmas.GiftPickup" );
+}
+
+//-----------------------------------------------------------------------------
+void CHolidayGift::Spawn( void )
+{ 
+	BaseClass::Spawn();
+
+	SetModel( CHRISTMAS_MODEL );
+
+	// Die in 30 seconds
+	SetContextThink( &CBaseEntity::SUB_Remove, gpGlobals->curtime + 30, "DIE_THINK" );
+	SetContextThink( &CHolidayGift::DropSoundThink, gpGlobals->curtime + 0.2f, "SOUND_THINK" );
+}
+
+//-----------------------------------------------------------------------------
+void CHolidayGift::DropSoundThink( void )
+{
+	EmitSound( "Christmas.GiftDrop" );
+}
+
+//-----------------------------------------------------------------------------
+bool CHolidayGift::MyTouch( CBasePlayer *pPlayer )
+{
+	if( !pPlayer )
+		return false;
+
+	if( !pPlayer->IsAlive() )
+		return false;
+
+	if ( pPlayer->IsBot() )
+		return false;
+
+	if ( ( pPlayer->GetTeamNumber() != TEAM_CT ) && ( pPlayer->GetTeamNumber() != TEAM_TERRORIST ) )
+		return false;
+
+	// Send a message for the achievement tracking.
+	IGameEvent *event = gameeventmanager->CreateEvent( "christmas_gift_grab" );
+	if ( event )
+	{
+		event->SetInt( "userid", pPlayer->GetUserID() );
+		gameeventmanager->FireEvent( event );
+	}
+	pPlayer->EmitSound( "Christmas.GiftPickup" );
+
+	return true;
+}
+
+//-----------------------------------------------------------------------------
+void CHolidayGift::ItemTouch( CBaseEntity *pOther )
+{
+	if ( pOther->IsWorld() )
+	{
+		Vector absVel = GetAbsVelocity();
+		SetAbsVelocity( Vector( 0,0,absVel.z ) );
+		return;
+	}
+
+	BaseClass::ItemTouch( pOther );
+}

game/server/cstrike/holiday_gift.h

@@ -0,0 +1,36 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#ifndef HOLIDAY_GIFT_H
+#define HOLIDAY_GIFT_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "items.h"
+
+
+class CHolidayGift: public CItem
+{
+public:
+	DECLARE_CLASS( CHolidayGift, CItem );
+
+public:
+	
+	virtual void Precache();
+	virtual void Spawn( void );
+	virtual bool MyTouch( CBasePlayer *pBasePlayer );
+	virtual void ItemTouch( CBaseEntity *pOther );
+	void DropSoundThink( void );
+
+public:
+
+	static CHolidayGift* Create( const Vector &position, const QAngle &angles, const QAngle &eyeAngles, const Vector &velocity, CBaseCombatCharacter *pOwner );
+};
+
+
+#endif // HOLIDAY_GIFT_H

game/server/cstrike/hostage/cs_simple_hostage.h

@@ -0,0 +1,256 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+// cs_simple_hostage.h
+// Simple CS1.6 level hostage
+// Author: Michael S. Booth, July 2004
+
+#ifndef _CS_SIMPLE_HOSTAGE_H_
+#define _CS_SIMPLE_HOSTAGE_H_
+
+#include "nav_mesh.h"
+#include "cs_nav_path.h"
+#include "cs_nav_pathfind.h"
+#include "improv_locomotor.h"
+#include "cs_playeranimstate.h"
+
+class CCSPlayer;
+
+
+//----------------------------------------------------------------------------------------------------------------
+/**
+ * A Counter-Strike Hostage
+ */
+class CHostage : public CBaseCombatCharacter, public CImprovLocomotor, public ICSPlayerAnimStateHelpers
+{
+public:
+	DECLARE_CLASS( CHostage, CBaseCombatCharacter );
+	DECLARE_SERVERCLASS();
+	DECLARE_DATADESC();
+
+	CHostage( void );
+	virtual ~CHostage();
+
+
+public:
+	virtual void Spawn( void );
+	virtual void Precache();
+	int ObjectCaps( void ) { return (BaseClass::ObjectCaps() | FCAP_IMPULSE_USE); }	// make hostage "useable"
+
+	virtual void PhysicsSimulate( void );
+
+	virtual int OnTakeDamage_Alive( const CTakeDamageInfo &info );
+	virtual void TraceAttack( const CTakeDamageInfo &info, const Vector &vecDir, trace_t *ptr, CDmgAccumulator *pAccumulator );
+
+	virtual void Event_Killed( const CTakeDamageInfo &info );
+	virtual void Touch( CBaseEntity *other );				// in contact with "other"
+	
+	void HostageRescueZoneTouch( inputdata_t &inputdata );	// invoked when hostage touches a rescue zone
+
+	void HostageThink( void );								// periodic update to initiate behaviors
+
+	void GiveCTUseBonus( CCSPlayer *rescuer );				// give bonus to CT's for talking to a hostage
+	void CheckForHostageAbuse( CCSPlayer *player );			// check for hostage-killer abuse
+
+	// queries
+	bool IsFollowingSomeone( void );
+	bool IsFollowing( const CBaseEntity *entity );
+	bool IsValid( void ) const;
+	bool IsRescuable( void ) const;
+	bool IsRescued( void ) const;
+	bool IsOnGround( void ) const;
+
+	bool IsVisible( const Vector &pos, bool testFOV = false ) const;	// return true if hostage can see position
+
+	// hostage states
+	void Idle( void );										// stand idle
+	void Follow( CCSPlayer *leader );						// begin following "leader"
+	CCSPlayer *GetLeader( void ) const;						// return our leader, or NULL
+
+	void FaceTowards( const Vector &target, float deltaT );	// rotate body to face towards "target"
+	void ApplyForce( const Vector &force )		{ m_accel += force; }	// apply a force to the hostage
+
+	unsigned int PhysicsSolidMaskForEntity() const;
+	Class_T Classify ( void ) { return CLASS_PLAYER_ALLY; }
+
+public:
+	// begin CImprovLocomotor -----------------------------------------------------------------------------------------------------------------
+	virtual const Vector &GetCentroid( void ) const;
+	virtual const Vector &GetFeet( void ) const;			// return position of "feet" - point below centroid of improv at feet level
+	virtual const Vector &GetEyes( void ) const;
+	virtual float GetMoveAngle( void ) const;				// return direction of movement
+
+	virtual CNavArea *GetLastKnownArea( void ) const;
+	virtual bool GetSimpleGroundHeightWithFloor( const Vector &pos, float *height, Vector *normal = NULL );	// find "simple" ground height, treating current nav area as part of the floor
+
+	virtual void Crouch( void );
+	virtual void StandUp( void );							// "un-crouch"
+	virtual bool IsCrouching( void ) const;
+
+	virtual void Jump( void );								// initiate a jump
+	virtual bool IsJumping( void ) const;
+
+	virtual void Run( void );								// set movement speed to running
+	virtual void Walk( void );								// set movement speed to walking
+	virtual bool IsRunning( void ) const;
+
+	virtual void StartLadder( const CNavLadder *ladder, NavTraverseType how, const Vector &approachPos, const Vector &departPos );	// invoked when a ladder is encountered while following a path
+	virtual bool TraverseLadder( const CNavLadder *ladder, NavTraverseType how, const Vector &approachPos, const Vector &departPos, float deltaT );	// traverse given ladder
+	virtual bool IsUsingLadder( void ) const;
+
+	virtual void TrackPath( const Vector &pathGoal, float deltaT );		// move along path by following "pathGoal"
+	virtual void OnMoveToSuccess( const Vector &goal );					// invoked when an improv reaches its MoveTo goal
+	virtual void OnMoveToFailure( const Vector &goal, MoveToFailureType reason );	// invoked when an improv fails to reach a MoveTo goal
+	// end CImprovLocomotor -------------------------------------------------------------------------------------------------------------------
+
+// ICSPlayerAnimState overrides.
+public:
+	virtual CWeaponCSBase* CSAnim_GetActiveWeapon();
+	virtual bool CSAnim_CanMove();
+
+
+
+protected:
+	virtual void HostageUse( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
+
+private:
+	float GetModifiedDamage( float flDamage, int nHitGroup );
+
+	ICSPlayerAnimState *m_PlayerAnimState;
+
+	IMPLEMENT_NETWORK_VAR_FOR_DERIVED( m_iMaxHealth );
+	IMPLEMENT_NETWORK_VAR_FOR_DERIVED( m_iHealth );
+	IMPLEMENT_NETWORK_VAR_FOR_DERIVED( m_lifeState );
+	CNetworkVar( bool, m_isRescued );						// true if the hostage has been rescued
+
+	CNetworkVar( EHANDLE, m_leader );						// the player we are following
+	void UpdateFollowing( float deltaT );					// do following behavior
+
+	int m_lastLeaderID;
+
+	CountdownTimer m_reuseTimer;							// to throttle how often hostage can be used
+	bool m_hasBeenUsed;										// flag to give first rescuer bonus money
+
+	Vector m_vel;
+	Vector m_accel;
+
+	bool m_isRunning;										// true if hostage move speed is to run (walk if false)
+	bool m_isCrouching;										// true if hostage is crouching
+	CountdownTimer m_jumpTimer;								// if zero, we can jump
+
+	bool m_isWaitingForLeader;								// true if we are waiting for our rescuer to move
+
+	CCSNavPath m_path;										// current path to follow
+	CountdownTimer m_repathTimer;							// throttle pathfinder
+
+	CountdownTimer m_inhibitDoorTimer;
+
+	CNavPathFollower m_pathFollower;						// path tracking mechanism
+	CountdownTimer m_inhibitObstacleAvoidanceTimer;			// when active, turn off path following feelers
+
+	CNavArea *m_lastKnownArea;								// last area we were in
+
+	void Wiggle( void );									// attempt to wiggle-out of begin stuck
+	CountdownTimer m_wiggleTimer;							// for wiggling
+	NavRelativeDirType m_wiggleDirection;
+
+	bool m_isAdjusted;										// hack for adjusting bounding box
+	float m_disappearTime;									// has finished fading, remove me
+
+	void PushawayThink( void );								// pushes physics objects away from the hostage
+	void AvoidPhysicsProps( void );							// guides the hostage away from physics props
+};
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Functor used with NavAreaBuildPath() for building Hostage paths.
+ * Once we hook up crouching and ladders, this can be removed and ShortestPathCost() can be used instead.
+ */
+class HostagePathCost
+{
+public:
+
+	// HPE_TODO[pmf]: check that these new parameters are okay to be ignored
+	float operator() ( CNavArea *area, CNavArea *fromArea, const CNavLadder *ladder, const CFuncElevator *elevator, float length )
+	{
+		if (fromArea == NULL)
+		{
+			// first area in path, no cost
+			return 0.0f;
+		}
+		else
+		{
+			// if this area isn't available to hostages, skip it
+			if ( area->GetAttributes() & NAV_MESH_NO_HOSTAGES )
+			{
+				return -1.0f;
+			}
+
+			// compute distance travelled along path so far
+			float dist;
+
+			if (ladder)
+			{
+				// can't traverse ladders
+				return -1.0f;
+			}
+			else
+			{
+				dist = (area->GetCenter() - fromArea->GetCenter()).Length();
+			}
+
+			float cost = dist + fromArea->GetCostSoFar();
+
+			if (area->GetAttributes() & NAV_MESH_CROUCH) //  && !(area->GetAttributes() & NAV_MESH_JUMP))
+			{
+				// can't traverse areas that require crouching
+				return -1.0f;
+			}
+
+			// if this is a "jump" area, add penalty
+			if (area->GetAttributes() & NAV_MESH_JUMP)
+			{
+				const float jumpPenalty = 5.0f;
+				cost += jumpPenalty * dist;
+			}
+
+			return cost;
+		}
+	}
+};
+
+
+//--------------------------------------------------------------------------------------------------------------
+// All the hostage entities.
+extern CUtlVector< CHostage * > g_Hostages;
+
+
+//--------------------------------------------------------------------------------------------------------------
+/**
+ * Iterate over all active hostages in the game, invoking functor on each.
+ * If functor returns false, stop iteration and return false.
+ */
+template < typename Functor >
+bool ForEachHostage( Functor &func )
+{
+	for( int i=0; i<g_Hostages.Count(); ++i )
+	{
+		CHostage *hostage = g_Hostages[i];
+
+		if ( hostage == NULL || !hostage->IsValid() )
+			continue;
+
+		if ( func( hostage ) == false )
+			return false;
+	}
+
+	return true;
+}
+
+
+#endif // _CS_SIMPLE_HOSTAGE_H_

game/server/cstrike/info_view_parameters.cpp

@@ -0,0 +1,18 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================
+
+#include "cbase.h"
+#include "info_view_parameters.h"
+
+
+BEGIN_DATADESC( CInfoViewParameters )
+	DEFINE_KEYFIELD( m_nViewMode, FIELD_INTEGER, "ViewMode" )
+END_DATADESC()
+
+
+LINK_ENTITY_TO_CLASS( info_view_parameters, CInfoViewParameters );
+
+

game/server/cstrike/info_view_parameters.h

@@ -0,0 +1,24 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================
+
+#ifndef INFO_VIEW_PARAMETERS_H
+#define INFO_VIEW_PARAMETERS_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+class CInfoViewParameters : public CBaseEntity
+{
+public:
+	DECLARE_CLASS( CInfoViewParameters, CBaseEntity );
+	DECLARE_DATADESC();
+
+	int m_nViewMode;
+};
+
+
+#endif // INFO_VIEW_PARAMETERS_H

game/server/cstrike/item_ammo.cpp

@@ -0,0 +1,147 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "items.h"
+#include "cs_player.h"
+#include "weapon_csbase.h"
+#include "cs_ammodef.h"
+
+
+//-----------------------------------------------------------------------------
+class CItemAmmo : public CItem
+{
+public:
+	DECLARE_CLASS( CItemAmmo, CItem );
+
+	bool MyTouch( CBasePlayer *pBasePlayer )
+	{
+		CCSPlayer *pPlayer = dynamic_cast< CCSPlayer* >( pBasePlayer );
+		if ( !pPlayer )
+		{
+			Assert( false );
+			return false;
+		}
+
+		int ammoIndex = GetCSAmmoDef()->Index( GetAmmoName() );
+		if ( ammoIndex < 0 )
+		{
+			Assert( false );
+			return false;
+		}
+
+		pPlayer->GiveAmmo( GetCSAmmoDef()->GetBuySize( ammoIndex ), ammoIndex );
+
+		return true;
+	}
+
+	virtual const char * GetAmmoName( void ) const { return NULL; }
+};
+
+//-----------------------------------------------------------------------------
+class CItemAmmo50AE : public CItemAmmo
+{
+public:
+	DECLARE_CLASS( CItemAmmo50AE, CItemAmmo );
+	virtual const char * GetAmmoName( void ) const { return BULLET_PLAYER_50AE; }
+};
+
+LINK_ENTITY_TO_CLASS( ammo_50ae, CItemAmmo50AE );
+
+//-----------------------------------------------------------------------------
+class CItemAmmo762MM : public CItemAmmo
+{
+public:
+	DECLARE_CLASS( CItemAmmo762MM, CItemAmmo );
+	virtual const char * GetAmmoName( void ) const { return BULLET_PLAYER_762MM; }
+};
+
+LINK_ENTITY_TO_CLASS( ammo_762mm, CItemAmmo762MM );
+
+//-----------------------------------------------------------------------------
+class CItemAmmo556MM : public CItemAmmo
+{
+public:
+	DECLARE_CLASS( CItemAmmo556MM, CItemAmmo );
+	virtual const char * GetAmmoName( void ) const { return BULLET_PLAYER_556MM; }
+};
+
+LINK_ENTITY_TO_CLASS( ammo_556mm, CItemAmmo556MM );
+
+//-----------------------------------------------------------------------------
+class CItemAmmo556MM_BOX : public CItemAmmo
+{
+public:
+	DECLARE_CLASS( CItemAmmo556MM_BOX, CItemAmmo );
+	virtual const char * GetAmmoName( void ) const { return BULLET_PLAYER_556MM_BOX; }
+};
+
+LINK_ENTITY_TO_CLASS( ammo_556mm_box, CItemAmmo556MM_BOX );
+
+//-----------------------------------------------------------------------------
+class CItemAmmo338MAG : public CItemAmmo
+{
+public:
+	DECLARE_CLASS( CItemAmmo338MAG, CItemAmmo );
+	virtual const char * GetAmmoName( void ) const { return BULLET_PLAYER_338MAG; }
+};
+
+LINK_ENTITY_TO_CLASS( ammo_338mag, CItemAmmo338MAG );
+
+//-----------------------------------------------------------------------------
+class CItemAmmo9MM : public CItemAmmo
+{
+public:
+	DECLARE_CLASS( CItemAmmo9MM, CItemAmmo );
+	virtual const char * GetAmmoName( void ) const { return BULLET_PLAYER_9MM; }
+};
+
+LINK_ENTITY_TO_CLASS( ammo_9mm, CItemAmmo9MM );
+
+//-----------------------------------------------------------------------------
+class CItemAmmoBuckshot : public CItemAmmo
+{
+public:
+	DECLARE_CLASS( CItemAmmoBuckshot, CItemAmmo );
+	virtual const char * GetAmmoName( void ) const { return BULLET_PLAYER_BUCKSHOT; }
+};
+
+LINK_ENTITY_TO_CLASS( ammo_buckshot, CItemAmmoBuckshot );
+
+//-----------------------------------------------------------------------------
+class CItemAmmo45ACP : public CItemAmmo
+{
+public:
+	DECLARE_CLASS( CItemAmmo45ACP, CItemAmmo );
+	virtual const char * GetAmmoName( void ) const { return BULLET_PLAYER_45ACP; }
+};
+
+LINK_ENTITY_TO_CLASS( ammo_45acp, CItemAmmo45ACP );
+
+//-----------------------------------------------------------------------------
+class CItemAmmo357SIG : public CItemAmmo
+{
+public:
+	DECLARE_CLASS( CItemAmmo357SIG, CItemAmmo );
+	virtual const char * GetAmmoName( void ) const { return BULLET_PLAYER_357SIG; }
+};
+
+LINK_ENTITY_TO_CLASS( ammo_357sig, CItemAmmo357SIG );
+
+//-----------------------------------------------------------------------------
+class CItemAmmo57MM : public CItemAmmo
+{
+public:
+	DECLARE_CLASS( CItemAmmo57MM, CItemAmmo );
+	virtual const char * GetAmmoName( void ) const { return BULLET_PLAYER_57MM; }
+};
+
+LINK_ENTITY_TO_CLASS( ammo_57mm, CItemAmmo57MM );
+
+//-----------------------------------------------------------------------------
+

game/server/cstrike/item_assaultsuit.cpp

@@ -0,0 +1,56 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "items.h"
+#include "cs_player.h"
+
+
+class CItemAssaultSuit : public CItem
+{
+	void Spawn( void )
+	{ 
+		Precache( );
+		CItem::Spawn( );
+	}
+	
+	void Precache( void )
+	{
+		PrecacheScriptSound( "BaseCombatCharacter.ItemPickup2" );
+	}
+	
+	bool MyTouch( CBasePlayer *pBasePlayer )
+	{
+		CCSPlayer *pPlayer = dynamic_cast< CCSPlayer* >( pBasePlayer );
+		if ( !pPlayer )
+		{
+			Assert( false );
+			return false;
+		}
+
+		pPlayer->m_bHasHelmet = true;
+		pPlayer->SetArmorValue( 100 );
+
+		if ( pPlayer->IsDead() == false )
+		{
+			CPASAttenuationFilter filter( pBasePlayer );
+			EmitSound( filter, entindex(), "BaseCombatCharacter.ItemPickup2" );
+
+			CSingleUserRecipientFilter user( pPlayer );
+			UserMessageBegin( user, "ItemPickup" );
+			WRITE_STRING( "item_assaultsuit" );
+			MessageEnd();
+		}
+
+		return true;		
+	}
+};
+
+LINK_ENTITY_TO_CLASS( item_assaultsuit, CItemAssaultSuit );
+
+

game/server/cstrike/item_defuser.cpp

@@ -0,0 +1,107 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Defuser kit that drops from counter-strike CTS 
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "items.h"
+#include "cs_player.h"
+
+class CItemDefuser : public CItem
+{
+public:
+	DECLARE_CLASS( CItemDefuser, CItem );
+	
+	void	Spawn( void );
+	void	Precache( void );
+	void	DefuserTouch( CBaseEntity *pOther );
+	void	ActivateThink( void );
+	
+	DECLARE_DATADESC();
+};
+
+LINK_ENTITY_TO_CLASS( item_defuser, CItemDefuser );
+PRECACHE_REGISTER(item_defuser);
+
+
+BEGIN_DATADESC( CItemDefuser )
+
+	//Functions
+	DEFINE_THINKFUNC( ActivateThink ),
+	DEFINE_ENTITYFUNC( DefuserTouch ),
+
+END_DATADESC()
+
+
+void CItemDefuser::Spawn( void )
+{ 
+	Precache( );
+	SetModel( "models/weapons/w_defuser.mdl" );
+	BaseClass::Spawn();
+
+	SetNextThink( gpGlobals->curtime + 0.5f );
+	SetThink( &CItemDefuser::ActivateThink );
+
+	SetTouch( NULL );
+}
+	
+void CItemDefuser::Precache( void )
+{
+	PrecacheModel( "models/weapons/w_defuser.mdl" );
+
+	PrecacheScriptSound( "BaseCombatCharacter.ItemPickup2" );
+}
+
+void CItemDefuser::ActivateThink( void )
+{
+	//since we can't stop the item from being touched while its in the air,
+	//activate 1 second after being dropped
+
+	SetTouch( &CItemDefuser::DefuserTouch );
+	SetThink( NULL );
+}
+	
+void CItemDefuser::DefuserTouch( CBaseEntity *pOther )
+{
+	if ( !pOther->IsPlayer() )
+	{
+		return;
+	}
+
+	//if( GetFlags() & FL_ONGROUND )
+	{
+		CCSPlayer *pPlayer = (CCSPlayer *)pOther;
+
+		if ( !pPlayer )
+		{
+			Assert( false );
+			return;
+		}
+
+		if( pPlayer->GetTeamNumber() == TEAM_CT && !pPlayer->HasDefuser() )
+		{
+            //=============================================================================
+            // HPE_BEGIN:
+            // [dwenger] Added for fun-fact support
+            //=============================================================================
+
+			pPlayer->GiveDefuser( true );
+
+            //=============================================================================
+            // HPE_END
+            //=============================================================================
+
+			if ( pPlayer->IsDead() == false )
+			{
+				CPASAttenuationFilter filter( pPlayer );
+				EmitSound( filter, entindex(), "BaseCombatCharacter.ItemPickup2" );
+			}
+
+			UTIL_Remove( this );
+			return;
+		}	
+	}
+}
+
+

game/server/cstrike/item_kevlar.cpp

@@ -0,0 +1,59 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "items.h"
+#include "cs_player.h"
+
+
+class CItemKevlar : public CItem
+{
+public:
+
+	DECLARE_CLASS( CItemKevlar, CItem );
+
+	void Spawn( void )
+	{ 
+		Precache( );
+		BaseClass::Spawn( );
+	}
+	
+	void Precache( void )
+	{
+		PrecacheScriptSound( "BaseCombatCharacter.ItemPickup2" );
+	}
+	
+	bool MyTouch( CBasePlayer *pBasePlayer )
+	{
+		CCSPlayer *pPlayer = dynamic_cast< CCSPlayer* >( pBasePlayer );
+		if ( !pPlayer )
+		{
+			Assert( false );
+			return false;
+		}
+		
+		pPlayer->SetArmorValue( 100 );
+
+		if ( pPlayer->IsDead() == false )
+		{
+			CPASAttenuationFilter filter( pBasePlayer );
+			EmitSound( filter, entindex(), "BaseCombatCharacter.ItemPickup2" );
+
+			CSingleUserRecipientFilter user( pPlayer );
+			UserMessageBegin( user, "ItemPickup" );
+			WRITE_STRING( "item_kevlar" );
+			MessageEnd();
+		}
+
+		return true;
+	}
+};
+
+LINK_ENTITY_TO_CLASS( item_kevlar, CItemKevlar );
+
+

game/server/cstrike/item_nvgs.cpp

@@ -0,0 +1,59 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "items.h"
+#include "cs_player.h"
+
+
+class CItemNvgs : public CItem
+{
+public:
+
+	DECLARE_CLASS( CItemNvgs, CItem );
+
+	void Spawn( void )
+	{ 
+		Precache( );
+		BaseClass::Spawn( );
+	}
+	
+	void Precache( void )
+	{
+		PrecacheScriptSound( "BaseCombatCharacter.ItemPickup2" );
+	}
+	
+	bool MyTouch( CBasePlayer *pBasePlayer )
+	{
+		CCSPlayer *pPlayer = dynamic_cast< CCSPlayer* >( pBasePlayer );
+		if ( !pPlayer )
+		{
+			Assert( false );
+			return false;
+		}
+
+		pPlayer->m_bHasNightVision = true;
+
+		if ( pPlayer->IsDead() == false )
+		{
+			CPASAttenuationFilter filter( pPlayer );
+			EmitSound( filter, entindex(), "BaseCombatCharacter.ItemPickup2" );
+
+			CSingleUserRecipientFilter user( pPlayer );
+			UserMessageBegin( user, "ItemPickup" );
+			WRITE_STRING( "item_nvgs" );
+			MessageEnd();
+		}
+
+		return true;
+	}
+};
+
+LINK_ENTITY_TO_CLASS( item_nvgs, CItemNvgs );
+
+

game/server/cstrike/mapinfo.cpp

@@ -0,0 +1,76 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "mapinfo.h"
+#include "cs_gamerules.h"
+
+LINK_ENTITY_TO_CLASS( info_map_parameters, CMapInfo );
+
+BEGIN_DATADESC( CMapInfo )
+
+	DEFINE_INPUTFUNC( FIELD_INTEGER, "FireWinCondition", InputFireWinCondition ),
+
+END_DATADESC()
+
+CMapInfo *g_pMapInfo = NULL;
+
+
+CMapInfo::CMapInfo()
+{
+	m_flBombRadius = 500.0f;
+	m_iBuyingStatus = 0;
+
+	if ( g_pMapInfo )
+	{
+		// Should only be one of these.
+		Warning( "Warning: Multiple info_map_parameters entities in map!\n" );
+	}
+	else
+	{
+		g_pMapInfo = this;
+	}
+}
+
+
+CMapInfo::~CMapInfo()
+{
+	if ( g_pMapInfo == this )
+		g_pMapInfo = NULL;
+}
+ 
+
+bool CMapInfo::KeyValue( const char *szKeyName, const char *szValue )
+{
+	if (FStrEq(szKeyName, "buying"))
+	{
+		m_iBuyingStatus = atoi(szValue);
+		return true;
+	}
+	else if (FStrEq(szKeyName, "bombradius"))
+	{
+		m_flBombRadius = (float)(atoi(szValue));
+		if (m_flBombRadius > 2048)
+			m_flBombRadius = 2048;
+		
+		return true;
+	}
+	
+	return BaseClass::KeyValue( szKeyName, szValue );
+}
+
+
+void CMapInfo::Spawn( void )
+{ 
+	SetMoveType( MOVETYPE_NONE );
+	SetSolid( SOLID_NONE );
+	AddEffects( EF_NODRAW );
+}
+
+void CMapInfo::InputFireWinCondition(inputdata_t &inputdata )
+{
+	CSGameRules()->TerminateRound( 5, inputdata.value.Int() );
+}

game/server/cstrike/mapinfo.h

@@ -0,0 +1,42 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#ifndef MAPINFO_H
+#define MAPINFO_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "baseentity.h"
+
+
+class CMapInfo : public CPointEntity
+{
+public :
+
+	DECLARE_DATADESC();
+	DECLARE_CLASS( CMapInfo, CPointEntity );
+	
+	CMapInfo();
+	virtual ~CMapInfo();
+
+	bool KeyValue( const char *szKeyName, const char *szValue );
+	void Spawn();
+
+	void InputFireWinCondition( inputdata_t &inputdata );
+
+public:
+	int m_iBuyingStatus;
+	float m_flBombRadius;
+};
+
+
+// The info_map_parameters entity in this map (only one is allowed for).
+extern CMapInfo *g_pMapInfo;
+
+
+#endif // MAPINFO_H

game/server/cstrike/point_surroundtest.cpp

@@ -0,0 +1,71 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "mapinfo.h"
+
+
+class CSurroundTest : public CPointEntity
+{
+public:
+	DECLARE_CLASS( CSurroundTest, CPointEntity );
+
+	void	FireCorrectOutput( inputdata_t &inputdata );
+	void	Spawn( void );
+
+private:
+	
+	COutputEvent m_On2Speakers;
+	COutputEvent m_On4Speakers;
+	COutputEvent m_On51Speakers;
+
+	DECLARE_DATADESC();
+};
+
+LINK_ENTITY_TO_CLASS( point_surroundtest, CSurroundTest );
+
+BEGIN_DATADESC( CSurroundTest )
+	DEFINE_INPUTFUNC( FIELD_VOID, "FireCorrectOutput", FireCorrectOutput ),
+	DEFINE_OUTPUT( m_On2Speakers, "On2Speakers" ),
+	DEFINE_OUTPUT( m_On4Speakers, "On4Speakers" ),
+	DEFINE_OUTPUT( m_On51Speakers, "On51Speakers" ),
+END_DATADESC()
+
+enum
+{
+	SND_SURROUND_HEADPHONES = 0,
+	SND_SURROUND_2SPEAKERS = 2,
+	SND_SURROUND_4SPEAKERS = 4,
+	SND_SURROUND_51SPEAKERS, 
+};
+
+void CSurroundTest::FireCorrectOutput( inputdata_t &inputdata )
+{
+	ConVar const *pSurroundCVar = cvar->FindVar( "snd_surround_speakers" );
+
+	if ( pSurroundCVar )
+	{
+		int iSetting = pSurroundCVar->GetInt();
+		
+		if ( iSetting == SND_SURROUND_HEADPHONES || iSetting == SND_SURROUND_2SPEAKERS )
+		{
+			m_On2Speakers.FireOutput( this, this );
+		}
+		else if ( iSetting == SND_SURROUND_4SPEAKERS )
+		{
+			m_On4Speakers.FireOutput( this, this );
+		}
+		else if ( iSetting == SND_SURROUND_51SPEAKERS )
+		{
+			m_On51Speakers.FireOutput( this, this );
+		}
+	}
+}
+
+void CSurroundTest::Spawn( void )
+{
+	BaseClass::Spawn();
+}

game/server/cstrike/smokegrenade_projectile.cpp

@@ -0,0 +1,189 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "smokegrenade_projectile.h"
+#include "sendproxy.h"
+#include "particle_smokegrenade.h"
+#include "cs_player.h"
+#include "KeyValues.h"
+#include "bot_manager.h"
+#include "weapon_csbase.h"
+
+#define GRENADE_MODEL "models/Weapons/w_eq_smokegrenade_thrown.mdl"
+
+
+LINK_ENTITY_TO_CLASS( smokegrenade_projectile, CSmokeGrenadeProjectile );
+PRECACHE_WEAPON_REGISTER( smokegrenade_projectile );
+
+BEGIN_DATADESC( CSmokeGrenadeProjectile )
+	DEFINE_THINKFUNC( Think_Detonate ),
+	DEFINE_THINKFUNC( Think_Fade ),
+	DEFINE_THINKFUNC( Think_Remove )
+END_DATADESC()
+
+
+CSmokeGrenadeProjectile* CSmokeGrenadeProjectile::Create( 
+	const Vector &position, 
+	const QAngle &angles, 
+	const Vector &velocity, 
+	const AngularImpulse &angVelocity, 
+	CBaseCombatCharacter *pOwner )
+{
+	CSmokeGrenadeProjectile *pGrenade = (CSmokeGrenadeProjectile*)CBaseEntity::Create( "smokegrenade_projectile", position, angles, pOwner );
+	
+	// Set the timer for 1 second less than requested. We're going to issue a SOUND_DANGER
+	// one second before detonation.
+	pGrenade->SetTimer( 1.5 );
+	pGrenade->SetAbsVelocity( velocity );
+	pGrenade->SetupInitialTransmittedGrenadeVelocity( velocity );
+	pGrenade->SetThrower( pOwner );
+	pGrenade->SetGravity( 0.55 );
+	pGrenade->SetFriction( 0.7 );
+	pGrenade->m_flDamage = 100;
+	pGrenade->ChangeTeam( pOwner->GetTeamNumber() );
+	pGrenade->ApplyLocalAngularVelocityImpulse( angVelocity );	
+	pGrenade->SetTouch( &CBaseGrenade::BounceTouch );
+
+	pGrenade->SetGravity( BaseClass::GetGrenadeGravity() );
+	pGrenade->SetFriction( BaseClass::GetGrenadeFriction() );
+	pGrenade->SetElasticity( BaseClass::GetGrenadeElasticity() );
+	pGrenade->m_bDidSmokeEffect = false;
+
+	pGrenade->m_pWeaponInfo = GetWeaponInfo( WEAPON_SMOKEGRENADE );
+
+	return pGrenade;
+}
+
+
+void CSmokeGrenadeProjectile::SetTimer( float timer )
+{
+	SetThink( &CSmokeGrenadeProjectile::Think_Detonate );
+	SetNextThink( gpGlobals->curtime + timer );
+
+	TheBots->SetGrenadeRadius( this, 0.0f );
+}
+
+void CSmokeGrenadeProjectile::Think_Detonate()
+{
+	if ( GetAbsVelocity().Length() > 0.1 )
+	{
+		// Still moving. Don't detonate yet.
+		SetNextThink( gpGlobals->curtime + 0.2 );
+		return;
+	}
+
+	TheBots->SetGrenadeRadius( this, SmokeGrenadeRadius );
+
+	// Ok, we've stopped rolling or whatever. Now detonate.
+	ParticleSmokeGrenade *pGren = (ParticleSmokeGrenade*)CBaseEntity::Create( PARTICLESMOKEGRENADE_ENTITYNAME, GetAbsOrigin(), QAngle(0,0,0), NULL );
+	if ( pGren )
+	{
+		pGren->FillVolume();
+		pGren->SetFadeTime( 15, 20 );
+		pGren->SetAbsOrigin( GetAbsOrigin() );
+
+		//tell the hostages about the smoke!
+		CBaseEntity *pEntity = NULL;
+		variant_t var;	//send the location of the smoke?
+		var.SetVector3D( GetAbsOrigin() );
+		while ( ( pEntity = gEntList.FindEntityByClassname( pEntity, "hostage_entity" ) ) != NULL)
+		{
+			//send to hostages that have a resonable chance of being in it while its still smoking
+			if( (GetAbsOrigin() - pEntity->GetAbsOrigin()).Length() < 1000 )
+				pEntity->AcceptInput( "smokegrenade", this, this, var, 0 );
+		}
+
+		// tell the bots a smoke grenade has exploded
+		CCSPlayer *player = ToCSPlayer(GetThrower());
+		if ( player )
+		{
+			IGameEvent * event = gameeventmanager->CreateEvent( "smokegrenade_detonate" );
+			if ( event )
+			{
+				event->SetInt( "userid", player->GetUserID() );
+				event->SetFloat( "x", GetAbsOrigin().x );
+				event->SetFloat( "y", GetAbsOrigin().y );
+				event->SetFloat( "z", GetAbsOrigin().z );
+				gameeventmanager->FireEvent( event );
+			}
+		}
+	}
+
+	m_hSmokeEffect = pGren;
+	m_bDidSmokeEffect = true;
+
+	EmitSound( "BaseSmokeEffect.Sound" );
+
+	m_nRenderMode = kRenderTransColor;
+	SetNextThink( gpGlobals->curtime + 5 );
+	SetThink( &CSmokeGrenadeProjectile::Think_Fade );
+}
+
+
+// Fade the projectile out over time before making it disappear
+void CSmokeGrenadeProjectile::Think_Fade()
+{
+	SetNextThink( gpGlobals->curtime );
+
+	color32 c = GetRenderColor();
+	c.a -= 1;
+	SetRenderColor( c.r, c.b, c.g, c.a );
+
+	if ( !c.a )
+	{
+		TheBots->RemoveGrenade( this );
+
+		SetModelName( NULL_STRING );//invisible
+		SetNextThink( gpGlobals->curtime + 20 );
+		SetThink( &CSmokeGrenadeProjectile::Think_Remove );	// Spit out smoke for 10 seconds.
+		SetSolid( SOLID_NONE );
+	}
+}
+
+
+void CSmokeGrenadeProjectile::Think_Remove()
+{
+	if ( m_hSmokeEffect.Get() )
+		UTIL_Remove( m_hSmokeEffect );
+
+	TheBots->RemoveGrenade( this );
+
+	SetModelName( NULL_STRING );//invisible
+	SetSolid( SOLID_NONE );
+	SetMoveType( MOVETYPE_NONE );
+}
+
+//Implement this so we never call the base class,
+//but this should never be called either.
+void CSmokeGrenadeProjectile::Detonate( void )
+{
+	Assert(!"Smoke grenade handles its own detonation");
+}
+
+
+void CSmokeGrenadeProjectile::Spawn()
+{
+	SetModel( GRENADE_MODEL );
+	BaseClass::Spawn();
+}
+
+
+void CSmokeGrenadeProjectile::Precache()
+{
+	PrecacheModel( GRENADE_MODEL );
+	PrecacheScriptSound( "BaseSmokeEffect.Sound" );
+	PrecacheScriptSound( "SmokeGrenade.Bounce" );
+	BaseClass::Precache();
+}
+
+void CSmokeGrenadeProjectile::BounceSound( void )
+{
+	if ( !m_bDidSmokeEffect )
+	{
+		EmitSound( "SmokeGrenade.Bounce" );
+	}
+}

game/server/cstrike/smokegrenade_projectile.h

@@ -0,0 +1,53 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#ifndef HEGRENADE_PROJECTILE_H
+#define HEGRENADE_PROJECTILE_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "basecsgrenade_projectile.h"
+
+
+class CSmokeGrenadeProjectile : public CBaseCSGrenadeProjectile
+{
+public:
+	DECLARE_CLASS( CSmokeGrenadeProjectile, CBaseCSGrenadeProjectile );
+	DECLARE_DATADESC();
+
+// Overrides.
+public:
+	
+	virtual void Spawn();
+	virtual void Precache();
+	virtual void Detonate();
+	virtual void BounceSound( void );
+
+	void Think_Detonate();
+	void Think_Fade();
+	void Think_Remove();
+
+
+// Grenade stuff.
+public:
+
+	static CSmokeGrenadeProjectile* Create( 
+		const Vector &position, 
+		const QAngle &angles, 
+		const Vector &velocity, 
+		const AngularImpulse &angVelocity, 
+		CBaseCombatCharacter *pOwner );
+
+	void SetTimer( float timer );
+
+	EHANDLE m_hSmokeEffect;
+	bool m_bDidSmokeEffect;
+};
+
+
+#endif // HEGRENADE_PROJECTILE_H

game/server/cstrike/te_radioicon.cpp

@@ -0,0 +1,77 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $Workfile:     $
+// $Date:         $
+//
+//-----------------------------------------------------------------------------
+// $Log: $
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "basetempentity.h"
+
+//-----------------------------------------------------------------------------
+// Purpose: Dispatches blood stream tempentity
+//-----------------------------------------------------------------------------
+class CTERadioIcon : public CBaseTempEntity
+{
+public:
+	DECLARE_CLASS( CTERadioIcon, CBaseTempEntity );
+
+					CTERadioIcon( const char *name );
+	virtual			~CTERadioIcon( void );
+
+	void Precache( void );
+	
+	DECLARE_SERVERCLASS();
+
+public:
+
+	CNetworkVar( int, m_iAttachToClient );
+};
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : *name - 
+//-----------------------------------------------------------------------------
+CTERadioIcon::CTERadioIcon( const char *name ) :
+	CBaseTempEntity( name )
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CTERadioIcon::~CTERadioIcon( void )
+{
+}
+
+void CTERadioIcon::Precache( void )
+{
+	CBaseEntity::PrecacheModel("sprites/radio.vmt");
+}
+
+IMPLEMENT_SERVERCLASS_ST(CTERadioIcon, DT_TERadioIcon)
+	SendPropInt( SENDINFO(m_iAttachToClient), 8, SPROP_UNSIGNED ),
+END_SEND_TABLE()
+
+
+// Singleton to fire StickyBolt objects
+static CTERadioIcon g_TERadioIcon( "RadioIcon" );
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : filter - 
+//			delay - 
+//			pPlayer - 
+//-----------------------------------------------------------------------------
+void TE_RadioIcon( IRecipientFilter& filter, float delay, CBaseEntity *pPlayer )
+{
+	g_TERadioIcon.m_iAttachToClient = pPlayer->entindex();
+	
+	// Send it over the wire
+	g_TERadioIcon.Create( filter, delay );
+}

game/server/cstrike/te_shotgun_shot.cpp

@@ -0,0 +1,161 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $Workfile:     $
+// $Date:         $
+//
+//-----------------------------------------------------------------------------
+// $Log: $
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "basetempentity.h"
+#include "fx_cs_shared.h"
+
+
+#define NUM_BULLET_SEED_BITS 8
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Display's a blood sprite
+//-----------------------------------------------------------------------------
+class CTEFireBullets : public CBaseTempEntity
+{
+public:
+	DECLARE_CLASS( CTEFireBullets, CBaseTempEntity );
+	DECLARE_SERVERCLASS();
+
+					CTEFireBullets( const char *name );
+	virtual			~CTEFireBullets( void );
+
+public:
+	CNetworkVar( int, m_iPlayer );
+	CNetworkVector( m_vecOrigin );
+	CNetworkQAngle( m_vecAngles );
+	CNetworkVar( int, m_iWeaponID );
+	CNetworkVar( int, m_iMode );
+	CNetworkVar( int, m_iSeed );
+	CNetworkVar( float, m_fInaccuracy );
+	CNetworkVar( float, m_fSpread );
+};
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : *name - 
+//-----------------------------------------------------------------------------
+CTEFireBullets::CTEFireBullets( const char *name ) :
+	CBaseTempEntity( name )
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CTEFireBullets::~CTEFireBullets( void )
+{
+}
+
+IMPLEMENT_SERVERCLASS_ST_NOBASE(CTEFireBullets, DT_TEFireBullets)
+	SendPropVector( SENDINFO(m_vecOrigin), -1, SPROP_COORD ),
+	SendPropAngle( SENDINFO_VECTORELEM( m_vecAngles, 0 ), 13, 0 ),
+	SendPropAngle( SENDINFO_VECTORELEM( m_vecAngles, 1 ), 13, 0 ),
+	SendPropInt( SENDINFO( m_iWeaponID ), 5, SPROP_UNSIGNED ), // max 31 weapons
+	SendPropInt( SENDINFO( m_iMode ), 1, SPROP_UNSIGNED ),
+	SendPropInt( SENDINFO( m_iSeed ), NUM_BULLET_SEED_BITS, SPROP_UNSIGNED ),
+	SendPropInt( SENDINFO( m_iPlayer ), 6, SPROP_UNSIGNED ), 	// max 64 players, see MAX_PLAYERS
+	SendPropFloat( SENDINFO( m_fInaccuracy ), 10, 0, 0, 1 ),	
+	SendPropFloat( SENDINFO( m_fSpread ), 8, 0, 0, 0.1f ),	
+END_SEND_TABLE()
+
+
+// Singleton
+static CTEFireBullets g_TEFireBullets( "Shotgun Shot" );
+
+
+void TE_FireBullets( 
+	int	iPlayerIndex,
+	const Vector &vOrigin,
+	const QAngle &vAngles,
+	int	iWeaponID,
+	int	iMode,
+	int iSeed,
+	float fInaccuracy,
+	float fSpread
+	)
+{
+	CPASFilter filter( vOrigin );
+	filter.UsePredictionRules();
+
+	g_TEFireBullets.m_iPlayer = iPlayerIndex-1;
+	g_TEFireBullets.m_vecOrigin = vOrigin;
+	g_TEFireBullets.m_vecAngles = vAngles;
+	g_TEFireBullets.m_iSeed = iSeed;
+	g_TEFireBullets.m_fInaccuracy = fInaccuracy;
+	g_TEFireBullets.m_fSpread = fSpread;
+	g_TEFireBullets.m_iMode = iMode;
+	g_TEFireBullets.m_iWeaponID = iWeaponID;
+
+	Assert( iSeed < (1 << NUM_BULLET_SEED_BITS) );
+	
+	g_TEFireBullets.Create( filter, 0 );
+}
+
+
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Displays a bomb plant animation
+//-----------------------------------------------------------------------------
+class CTEPlantBomb : public CBaseTempEntity
+{
+public:
+	DECLARE_CLASS( CTEPlantBomb, CBaseTempEntity );
+	DECLARE_SERVERCLASS();
+
+					CTEPlantBomb( const char *name );
+	virtual			~CTEPlantBomb( void );
+
+public:
+	CNetworkVar( int, m_iPlayer );
+	CNetworkVector( m_vecOrigin );
+	CNetworkVar( PlantBombOption_t, m_option );
+};
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : *name - 
+//-----------------------------------------------------------------------------
+CTEPlantBomb::CTEPlantBomb( const char *name ) :
+	CBaseTempEntity( name )
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CTEPlantBomb::~CTEPlantBomb( void )
+{
+}
+
+IMPLEMENT_SERVERCLASS_ST_NOBASE(CTEPlantBomb, DT_TEPlantBomb)
+	SendPropVector( SENDINFO(m_vecOrigin), -1, SPROP_COORD ),
+	SendPropInt( SENDINFO( m_iPlayer ), 6, SPROP_UNSIGNED ), 	// max 64 players, see MAX_PLAYERS
+	SendPropInt( SENDINFO( m_option ), 1, SPROP_UNSIGNED ),
+END_SEND_TABLE()
+
+
+// Singleton
+static CTEPlantBomb g_TEPlantBomb( "Bomb Plant" );
+
+
+void TE_PlantBomb( int iPlayerIndex, const Vector &vOrigin, PlantBombOption_t option )
+{
+	CPASFilter filter( vOrigin );
+	filter.UsePredictionRules();
+
+	g_TEPlantBomb.m_iPlayer = iPlayerIndex-1;
+	g_TEPlantBomb.m_option = option;
+	g_TEPlantBomb.Create( filter, 0 );
+}

game/server/cstrike/te_shotgun_shot.h

@@ -0,0 +1,28 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#ifndef TE_SHOTGUN_SHOT_H
+#define TE_SHOTGUN_SHOT_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+void TE_FireBullets( 
+	int	iPlayerIndex,
+	const Vector &vOrigin,
+	const QAngle &vAngles,
+	int	iWeaponID,
+	int	iMode,
+	int iSeed,
+	float fInaccuracy,
+	float fSpread
+	);
+
+void TE_PlantBomb( int iPlayerIndex, const Vector &vOrigin, PlantBombOption_t option );
+
+
+#endif // TE_SHOTGUN_SHOT_H