source-engine/game/shared/cstrike/bot/bot.h
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2020-04-22 12:56:21 -04:00

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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================//
//
// Author: Michael S. Booth (mike@turtlerockstudios.com), 2003
//
// NOTE: The CS Bot 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 BOT_H
#define BOT_H
#include "cbase.h"
#include "in_buttons.h"
#include "movehelper_server.h"
#include "mathlib/mathlib.h"
#include "bot_manager.h"
#include "bot_util.h"
#include "bot_constants.h"
#include "nav_mesh.h"
#include "gameinterface.h"
#include "weapon_csbase.h"
#include "shared_util.h"
#include "util.h"
#include "shareddefs.h"
#include "tier0/vprof.h"
class BotProfile;
extern bool AreBotsAllowed();
//--------------------------------------------------------------------------------------------------------
// BOTPORT: Convert everything to assume "origin" means "feet"
//
// Utility function to get "centroid" or center of player or player equivalent
//
inline Vector GetCentroid( const CBaseEntity *player )
{
Vector centroid = player->GetAbsOrigin();
const Vector &mins = player->WorldAlignMins();
const Vector &maxs = player->WorldAlignMaxs();
centroid.z += (maxs.z - mins.z)/2.0f;
//centroid.z += HalfHumanHeight;
return centroid;
}
CBasePlayer* ClientPutInServerOverride_Bot( edict_t *pEdict, const char *playername );
/// @todo Remove this nasty hack - CreateFakeClient() calls CBot::Spawn, which needs the profile
extern const BotProfile *g_botInitProfile;
extern int g_botInitTeam;
extern int g_nClientPutInServerOverrides;
//--------------------------------------------------------------------------------------------------------
template < class T > T * CreateBot( const BotProfile *profile, int team )
{
if ( !AreBotsAllowed() )
return NULL;
if ( UTIL_ClientsInGame() >= gpGlobals->maxClients )
{
CONSOLE_ECHO( "Unable to create bot: Server is full (%d/%d clients).\n", UTIL_ClientsInGame(), gpGlobals->maxClients );
return NULL;
}
// set the bot's name
char botName[64];
UTIL_ConstructBotNetName( botName, 64, profile );
// This is a backdoor we use so when the engine calls ClientPutInServer (from CreateFakeClient),
// expecting the game to make an entity for the fake client, we can make our special bot class
// instead of a CCSPlayer.
g_nClientPutInServerOverrides = 0;
ClientPutInServerOverride( ClientPutInServerOverride_Bot );
// get an edict for the bot
// NOTE: This will ultimately invoke CBot::Spawn(), so set the profile now
g_botInitProfile = profile;
g_botInitTeam = team;
edict_t *botEdict = engine->CreateFakeClient( botName );
ClientPutInServerOverride( NULL );
Assert( g_nClientPutInServerOverrides == 1 );
if ( botEdict == NULL )
{
CONSOLE_ECHO( "Unable to create bot: CreateFakeClient() returned null.\n" );
return NULL;
}
// create an instance of the bot's class and bind it to the edict
T *bot = dynamic_cast< T * >( CBaseEntity::Instance( botEdict ) );
if ( bot == NULL )
{
Assert( false );
Error( "Could not allocate and bind entity to bot edict.\n" );
return NULL;
}
bot->ClearFlags();
bot->AddFlag( FL_CLIENT | FL_FAKECLIENT );
return bot;
}
//----------------------------------------------------------------------------------------------------------------
//----------------------------------------------------------------------------------------------------------------
/**
* The base bot class from which bots for specific games are derived
* A template is needed here because the CBot class must be derived from CBasePlayer,
* but also may need to be derived from a more specific player class, such as CCSPlayer
*/
template < class PlayerType >
class CBot : public PlayerType
{
public:
DECLARE_CLASS( CBot, PlayerType );
CBot( void ); ///< constructor initializes all values to zero
virtual ~CBot();
virtual bool Initialize( const BotProfile *profile, int team ); ///< (EXTEND) prepare bot for action
unsigned int GetID( void ) const { return m_id; } ///< return bot's unique ID
virtual bool IsBot( void ) const { return true; }
virtual bool IsNetClient( void ) const { return false; } // Bots should return FALSE for this, they can't receive NET messages
virtual void Spawn( void ); ///< (EXTEND) spawn the bot into the game
virtual void Upkeep( void ) = 0; ///< lightweight maintenance, invoked frequently
virtual void Update( void ) = 0; ///< heavyweight algorithms, invoked less often
virtual void Run( void );
virtual void Walk( void );
virtual bool IsRunning( void ) const { return m_isRunning; }
virtual void Crouch( void );
virtual void StandUp( void );
bool IsCrouching( void ) const { return m_isCrouching; }
void PushPostureContext( void ); ///< push the current posture context onto the top of the stack
void PopPostureContext( void ); ///< restore the posture context to the next context on the stack
virtual void MoveForward( void );
virtual void MoveBackward( void );
virtual void StrafeLeft( void );
virtual void StrafeRight( void );
#define MUST_JUMP true
virtual bool Jump( bool mustJump = false ); ///< returns true if jump was started
bool IsJumping( void ); ///< returns true if we are in the midst of a jump
float GetJumpTimestamp( void ) const { return m_jumpTimestamp; } ///< return time last jump began
virtual void ClearMovement( void ); ///< zero any MoveForward(), Jump(), etc
const Vector &GetViewVector( void ); ///< return the actual view direction
//------------------------------------------------------------------------------------
// Weapon interface
//
virtual void UseEnvironment( void );
virtual void PrimaryAttack( void );
virtual void ClearPrimaryAttack( void );
virtual void TogglePrimaryAttack( void );
virtual void SecondaryAttack( void );
virtual void Reload( void );
float GetActiveWeaponAmmoRatio( void ) const; ///< returns ratio of ammo left to max ammo (1 = full clip, 0 = empty)
bool IsActiveWeaponClipEmpty( void ) const; ///< return true if active weapon has any empty clip
bool IsActiveWeaponOutOfAmmo( void ) const; ///< return true if active weapon has no ammo at all
bool IsActiveWeaponRecoilHigh( void ) const; ///< return true if active weapon's bullet spray has become large and inaccurate
bool IsUsingScope( void ); ///< return true if looking thru weapon's scope
//------------------------------------------------------------------------------------
// Event hooks
//
/// invoked when injured by something (EXTEND) - returns the amount of damage inflicted
virtual int OnTakeDamage( const CTakeDamageInfo &info )
{
return PlayerType::OnTakeDamage( info );
}
/// invoked when killed (EXTEND)
virtual void Event_Killed( const CTakeDamageInfo &info )
{
PlayerType::Event_Killed( info );
}
bool IsEnemy( CBaseEntity *ent ) const; ///< returns TRUE if given entity is our enemy
int GetEnemiesRemaining( void ) const; ///< return number of enemies left alive
int GetFriendsRemaining( void ) const; ///< return number of friends left alive
bool IsPlayerFacingMe( CBasePlayer *enemy ) const; ///< return true if player is facing towards us
bool IsPlayerLookingAtMe( CBasePlayer *enemy, float cosTolerance = 0.9f ) const; ///< returns true if other player is pointing right at us
bool IsLookingAtPosition( const Vector &pos, float angleTolerance = 20.0f ) const; ///< returns true if looking (roughly) at given position
bool IsLocalPlayerWatchingMe( void ) const; ///< return true if local player is observing this bot
void PrintIfWatched( PRINTF_FORMAT_STRING const char *format, ... ) const; ///< output message to console if we are being watched by the local player
virtual void UpdatePlayer( void ); ///< update player physics, movement, weapon firing commands, etc
virtual void BuildUserCmd( CUserCmd& cmd, const QAngle& viewangles, float forwardmove, float sidemove, float upmove, int buttons, byte impulse );
virtual void SetModel( const char *modelName );
int Save( CSave &save ) const { return 0; }
int Restore( CRestore &restore ) const { return 0; }
virtual void Think( void ) { }
const BotProfile *GetProfile( void ) const { return m_profile; } ///< return our personality profile
virtual bool ClientCommand( const CCommand &args ); ///< Do a "client command" - useful for invoking menu choices, etc.
virtual int Cmd_Argc( void ); ///< Returns the number of tokens in the command string
virtual char *Cmd_Argv( int argc ); ///< Retrieves a specified token
private:
CUtlVector< char * > m_args;
protected:
const BotProfile *m_profile; ///< the "personality" profile of this bot
private:
friend class CBotManager;
unsigned int m_id; ///< unique bot ID
CUserCmd m_userCmd;
bool m_isRunning; ///< run/walk mode
bool m_isCrouching; ///< true if crouching (ducking)
float m_forwardSpeed;
float m_strafeSpeed;
float m_verticalSpeed;
int m_buttonFlags; ///< bitfield of movement buttons
float m_jumpTimestamp; ///< time when we last began a jump
Vector m_viewForward; ///< forward view direction (only valid when GetViewVector() is used)
/// the PostureContext represents the current settings of walking and crouching
struct PostureContext
{
bool isRunning;
bool isCrouching;
};
enum { MAX_POSTURE_STACK = 8 };
PostureContext m_postureStack[ MAX_POSTURE_STACK ];
int m_postureStackIndex; ///< index of top of stack
void ResetCommand( void );
//byte ThrottledMsec( void ) const;
protected:
virtual float GetMoveSpeed( void ); ///< returns current movement speed (for walk/run)
};
//-----------------------------------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------------------------------
//
// Inlines
//
//--------------------------------------------------------------------------------------------------------------
template < class T >
inline void CBot<T>::SetModel( const char *modelName )
{
BaseClass::SetModel( modelName );
}
//-----------------------------------------------------------------------------------------------------------
template < class T >
inline float CBot<T>::GetMoveSpeed( void )
{
return this->MaxSpeed();
}
//-----------------------------------------------------------------------------------------------------------
template < class T >
inline void CBot<T>::Run( void )
{
m_isRunning = true;
}
//-----------------------------------------------------------------------------------------------------------
template < class T >
inline void CBot<T>::Walk( void )
{
m_isRunning = false;
}
//-----------------------------------------------------------------------------------------------------------
template < class T >
inline bool CBot<T>::IsActiveWeaponRecoilHigh( void ) const
{
const QAngle &angles = const_cast< CBot<T> * >( this )->GetPunchAngle();
const float highRecoil = -1.5f;
return (angles.x < highRecoil);
}
//-----------------------------------------------------------------------------------------------------------
template < class T >
inline void CBot<T>::PushPostureContext( void )
{
if (m_postureStackIndex == MAX_POSTURE_STACK)
{
PrintIfWatched( "PushPostureContext() overflow error!\n" );
return;
}
m_postureStack[ m_postureStackIndex ].isRunning = m_isRunning;
m_postureStack[ m_postureStackIndex ].isCrouching = m_isCrouching;
++m_postureStackIndex;
}
//-----------------------------------------------------------------------------------------------------------
template < class T >
inline void CBot<T>::PopPostureContext( void )
{
if (m_postureStackIndex == 0)
{
PrintIfWatched( "PopPostureContext() underflow error!\n" );
m_isRunning = true;
m_isCrouching = false;
return;
}
--m_postureStackIndex;
m_isRunning = m_postureStack[ m_postureStackIndex ].isRunning;
m_isCrouching = m_postureStack[ m_postureStackIndex ].isCrouching;
}
//-----------------------------------------------------------------------------------------------------------
template < class T >
inline bool CBot<T>::IsPlayerFacingMe( CBasePlayer *other ) const
{
Vector toOther = other->GetAbsOrigin() - this->GetAbsOrigin();
Vector otherForward;
AngleVectors( other->EyeAngles() + other->GetPunchAngle(), &otherForward );
if (DotProduct( otherForward, toOther ) < 0.0f)
return true;
return false;
}
//-----------------------------------------------------------------------------------------------------------
template < class T >
inline bool CBot<T>::IsPlayerLookingAtMe( CBasePlayer *other, float cosTolerance ) const
{
Vector toOther = other->GetAbsOrigin() - this->GetAbsOrigin();
toOther.NormalizeInPlace();
Vector otherForward;
AngleVectors( other->EyeAngles() + other->GetPunchAngle(), &otherForward );
// other player must be pointing nearly right at us to be "looking at" us
if (DotProduct( otherForward, toOther ) < -cosTolerance)
return true;
return false;
}
//-----------------------------------------------------------------------------------------------------------
template < class T >
inline const Vector &CBot<T>::GetViewVector( void )
{
AngleVectors( this->EyeAngles() + this->GetPunchAngle(), &m_viewForward );
return m_viewForward;
}
//-----------------------------------------------------------------------------------------------------------
template < class T >
inline bool CBot<T>::IsLookingAtPosition( const Vector &pos, float angleTolerance ) const
{
// forced to do this since many methods in CBaseEntity are not const, but should be
CBot< T > *me = const_cast< CBot< T > * >( this );
Vector to = pos - me->EyePosition();
QAngle idealAngles;
VectorAngles( to, idealAngles );
QAngle viewAngles = me->EyeAngles();
float deltaYaw = AngleNormalize( idealAngles.y - viewAngles.y );
float deltaPitch = AngleNormalize( idealAngles.x - viewAngles.x );
if (fabs( deltaYaw ) < angleTolerance && abs( deltaPitch ) < angleTolerance)
return true;
return false;
}
//--------------------------------------------------------------------------------------------------------------
template < class PlayerType >
inline CBot< PlayerType >::CBot( void )
{
// the profile will be attached after this instance is constructed
m_profile = NULL;
// assign this bot a unique ID
static unsigned int nextID = 1;
// wraparound (highly unlikely)
if (nextID == 0)
++nextID;
m_id = nextID;
++nextID;
m_postureStackIndex = 0;
}
//--------------------------------------------------------------------------------------------------------------
template < class PlayerType >
inline CBot< PlayerType >::~CBot( void )
{
}
//--------------------------------------------------------------------------------------------------------------
/**
* Prepare bot for action
*/
template < class PlayerType >
inline bool CBot< PlayerType >::Initialize( const BotProfile *profile, int team )
{
m_profile = profile;
return true;
}
//--------------------------------------------------------------------------------------------------------------
template < class PlayerType >
inline void CBot< PlayerType >::Spawn( void )
{
// initialize the bot (thus setting its profile)
if (m_profile == NULL)
Initialize( g_botInitProfile, g_botInitTeam );
// let the base class set some things up
PlayerType::Spawn();
// Make sure everyone knows we are a bot
this->AddFlag( FL_CLIENT | FL_FAKECLIENT );
// Bots use their own thinking mechanism
this->SetThink( NULL );
m_isRunning = true;
m_isCrouching = false;
m_postureStackIndex = 0;
m_jumpTimestamp = 0.0f;
// Command interface variable initialization
ResetCommand();
}
/*
//--------------------------------------------------------------------------------------------------------------
template < class PlayerType >
inline void CBot< PlayerType >::BotThink( void )
{
float g_flBotFullThinkInterval = 1.0 / 15.0; // full AI at lower frequency (was 10 in GoldSrc)
Upkeep();
if (gpGlobals->curtime >= m_flNextFullBotThink)
{
m_flNextFullBotThink = gpGlobals->curtime + g_flBotFullThinkInterval;
ResetCommand();
Update();
}
UpdatePlayer();
}
*/
//--------------------------------------------------------------------------------------------------------------
template < class PlayerType >
inline void CBot< PlayerType >::MoveForward( void )
{
m_forwardSpeed = GetMoveSpeed();
SETBITS( m_buttonFlags, IN_FORWARD );
// make mutually exclusive
CLEARBITS( m_buttonFlags, IN_BACK );
}
//--------------------------------------------------------------------------------------------------------------
template < class PlayerType >
inline void CBot< PlayerType >::MoveBackward( void )
{
m_forwardSpeed = -GetMoveSpeed();
SETBITS( m_buttonFlags, IN_BACK );
// make mutually exclusive
CLEARBITS( m_buttonFlags, IN_FORWARD );
}
//--------------------------------------------------------------------------------------------------------------
template < class PlayerType >
inline void CBot< PlayerType >::StrafeLeft( void )
{
m_strafeSpeed = -GetMoveSpeed();
SETBITS( m_buttonFlags, IN_MOVELEFT );
// make mutually exclusive
CLEARBITS( m_buttonFlags, IN_MOVERIGHT );
}
//--------------------------------------------------------------------------------------------------------------
template < class PlayerType >
inline void CBot< PlayerType >::StrafeRight( void )
{
m_strafeSpeed = GetMoveSpeed();
SETBITS( m_buttonFlags, IN_MOVERIGHT );
// make mutually exclusive
CLEARBITS( m_buttonFlags, IN_MOVELEFT );
}
//--------------------------------------------------------------------------------------------------------------
template < class PlayerType >
inline bool CBot< PlayerType >::Jump( bool mustJump )
{
if (IsJumping() || IsCrouching())
return false;
if (!mustJump)
{
const float minJumpInterval = 0.9f; // 1.5f;
if (gpGlobals->curtime - m_jumpTimestamp < minJumpInterval)
return false;
}
// still need sanity check for jumping frequency
const float sanityInterval = 0.3f;
if (gpGlobals->curtime - m_jumpTimestamp < sanityInterval)
return false;
// jump
SETBITS( m_buttonFlags, IN_JUMP );
m_jumpTimestamp = gpGlobals->curtime;
return true;
}
//--------------------------------------------------------------------------------------------------------------
/**
* Zero any MoveForward(), Jump(), etc
*/
template < class PlayerType >
void CBot< PlayerType >::ClearMovement( void )
{
m_forwardSpeed = 0.0;
m_strafeSpeed = 0.0;
m_verticalSpeed = 100.0; // stay at the top of water, so we don't drown. TODO: swim logic
m_buttonFlags &= ~(IN_FORWARD | IN_BACK | IN_LEFT | IN_RIGHT | IN_JUMP);
}
//--------------------------------------------------------------------------------------------------------------
/**
* Returns true if we are in the midst of a jump
*/
template < class PlayerType >
inline bool CBot< PlayerType >::IsJumping( void )
{
// if long time after last jump, we can't be jumping
if (gpGlobals->curtime - m_jumpTimestamp > 3.0f)
return false;
// if we just jumped, we're still jumping
if (gpGlobals->curtime - m_jumpTimestamp < 0.9f) // 1.0f
return true;
// a little after our jump, we're jumping until we hit the ground
if (FBitSet( this->GetFlags(), FL_ONGROUND ))
return false;
return true;
}
//--------------------------------------------------------------------------------------------------------------
template < class PlayerType >
inline void CBot< PlayerType >::Crouch( void )
{
m_isCrouching = true;
}
//--------------------------------------------------------------------------------------------------------------
template < class PlayerType >
inline void CBot< PlayerType >::StandUp( void )
{
m_isCrouching = false;
}
//--------------------------------------------------------------------------------------------------------------
template < class PlayerType >
inline void CBot< PlayerType >::UseEnvironment( void )
{
SETBITS( m_buttonFlags, IN_USE );
}
//--------------------------------------------------------------------------------------------------------------
template < class PlayerType >
inline void CBot< PlayerType >::PrimaryAttack( void )
{
SETBITS( m_buttonFlags, IN_ATTACK );
}
//--------------------------------------------------------------------------------------------------------------
template < class PlayerType >
inline void CBot< PlayerType >::ClearPrimaryAttack( void )
{
CLEARBITS( m_buttonFlags, IN_ATTACK );
}
//--------------------------------------------------------------------------------------------------------------
template < class PlayerType >
inline void CBot< PlayerType >::TogglePrimaryAttack( void )
{
if (FBitSet( m_buttonFlags, IN_ATTACK ))
{
CLEARBITS( m_buttonFlags, IN_ATTACK );
}
else
{
SETBITS( m_buttonFlags, IN_ATTACK );
}
}
//--------------------------------------------------------------------------------------------------------------
template < class PlayerType >
inline void CBot< PlayerType >::SecondaryAttack( void )
{
SETBITS( m_buttonFlags, IN_ATTACK2 );
}
//--------------------------------------------------------------------------------------------------------------
template < class PlayerType >
inline void CBot< PlayerType >::Reload( void )
{
SETBITS( m_buttonFlags, IN_RELOAD );
}
//--------------------------------------------------------------------------------------------------------------
/**
* Returns ratio of ammo left to max ammo (1 = full clip, 0 = empty)
*/
template < class PlayerType >
inline float CBot< PlayerType >::GetActiveWeaponAmmoRatio( void ) const
{
CWeaponCSBase *weapon = this->GetActiveCSWeapon();
if (weapon == NULL)
return 0.0f;
// weapons with no ammo are always full
if (weapon->Clip1() < 0)
return 1.0f;
return (float)weapon->Clip1() / (float)weapon->GetMaxClip1();
}
//--------------------------------------------------------------------------------------------------------------
/**
* Return true if active weapon has an empty clip
*/
template < class PlayerType >
inline bool CBot< PlayerType >::IsActiveWeaponClipEmpty( void ) const
{
CWeaponCSBase *gun = this->GetActiveCSWeapon();
if (gun && gun->Clip1() == 0)
return true;
return false;
}
//--------------------------------------------------------------------------------------------------------------
/**
* Return true if active weapon has no ammo at all
*/
template < class PlayerType >
inline bool CBot< PlayerType >::IsActiveWeaponOutOfAmmo( void ) const
{
CWeaponCSBase *weapon = this->GetActiveCSWeapon();
if (weapon == NULL)
return true;
return !weapon->HasAnyAmmo();
}
//--------------------------------------------------------------------------------------------------------------
/**
* Return true if looking thru weapon's scope
*/
template < class PlayerType >
inline bool CBot< PlayerType >::IsUsingScope( void )
{
// if our field of view is less than 90, we're looking thru a scope (maybe only true for CS...)
if (this->GetFOV() < this->GetDefaultFOV())
return true;
return false;
}
//--------------------------------------------------------------------------------------------------------------
/**
* Fill in a CUserCmd with our data
*/
template < class PlayerType >
inline void CBot< PlayerType >::BuildUserCmd( CUserCmd& cmd, const QAngle& viewangles, float forwardmove, float sidemove, float upmove, int buttons, byte impulse )
{
Q_memset( &cmd, 0, sizeof( cmd ) );
cmd.command_number = gpGlobals->tickcount;
cmd.forwardmove = forwardmove;
cmd.sidemove = sidemove;
cmd.upmove = upmove;
cmd.buttons = buttons;
cmd.impulse = impulse;
VectorCopy( viewangles, cmd.viewangles );
cmd.random_seed = random->RandomInt( 0, 0x7fffffff );
}
//--------------------------------------------------------------------------------------------------------------
/**
* Update player physics, movement, weapon firing commands, etc
*/
template < class PlayerType >
inline void CBot< PlayerType >::UpdatePlayer( void )
{
if (m_isCrouching)
{
SETBITS( m_buttonFlags, IN_DUCK );
}
else if (!m_isRunning)
{
SETBITS( m_buttonFlags, IN_SPEED );
}
if ( this->IsEFlagSet(EFL_BOT_FROZEN) )
{
m_buttonFlags = 0; // Freeze.
m_forwardSpeed = 0;
m_strafeSpeed = 0;
m_verticalSpeed = 0;
}
// Fill in a CUserCmd with our data
this->BuildUserCmd( m_userCmd, this->EyeAngles(), m_forwardSpeed, m_strafeSpeed, m_verticalSpeed, m_buttonFlags, 0 );
// Save off the CUserCmd to execute later
this->ProcessUsercmds( &m_userCmd, 1, 1, 0, false );
}
//--------------------------------------------------------------------------------------------------------------
template < class PlayerType >
inline void CBot< PlayerType >::ResetCommand( void )
{
m_forwardSpeed = 0.0;
m_strafeSpeed = 0.0;
m_verticalSpeed = 100.0; // stay at the top of water, so we don't drown. TODO: swim logic
m_buttonFlags = 0;
}
//--------------------------------------------------------------------------------------------------------------
/*
template < class PlayerType >
inline byte CBot< PlayerType >::ThrottledMsec( void ) const
{
int iNewMsec;
// Estimate Msec to use for this command based on time passed from the previous command
iNewMsec = (int)( (gpGlobals->curtime - m_flPreviousCommandTime) * 1000 );
if (iNewMsec > 255) // Doh, bots are going to be slower than they should if this happens.
iNewMsec = 255; // Upgrade that CPU or use less bots!
return (byte)iNewMsec;
}
*/
//--------------------------------------------------------------------------------------------------------------
/**
* Do a "client command" - useful for invoking menu choices, etc.
*/
template < class PlayerType >
inline bool CBot< PlayerType >::ClientCommand( const CCommand &args )
{
// Remove old args
int i;
for ( i=0; i<m_args.Count(); ++i )
{
delete[] m_args[i];
}
m_args.RemoveAll();
// parse individual args
const char *cmd = args.GetCommandString();
while (1)
{
// skip whitespace up to a /n
while (*cmd && *cmd <= ' ' && *cmd != '\n')
{
cmd++;
}
if (*cmd == '\n')
{ // a newline seperates commands in the buffer
cmd++;
break;
}
if (!*cmd)
break;
cmd = SharedParse (cmd);
if (!cmd)
break;
m_args.AddToTail( CloneString( SharedGetToken() ) );
}
// and pass to the base class
return PlayerType::ClientCommand( args );
}
//--------------------------------------------------------------------------------------------------------------
/**
* Returns the number of tokens in the command string
*/
template < class PlayerType >
inline int CBot< PlayerType >::Cmd_Argc()
{
return m_args.Count();
}
//--------------------------------------------------------------------------------------------------------------
/**
* Retrieves a specified token
*/
template < class PlayerType >
inline char * CBot< PlayerType >::Cmd_Argv( int argc )
{
if ( argc < 0 || argc >= m_args.Count() )
return NULL;
return m_args[argc];
}
//--------------------------------------------------------------------------------------------------------------
/**
* Returns TRUE if given entity is our enemy
*/
template < class PlayerType >
inline bool CBot< PlayerType >::IsEnemy( CBaseEntity *ent ) const
{
// only Players (real and AI) can be enemies
if (!ent->IsPlayer())
return false;
// corpses are no threat
if (!ent->IsAlive())
return false;
CBasePlayer *player = static_cast<CBasePlayer *>( ent );
// if they are on our team, they are our friends
if (player->GetTeamNumber() == this->GetTeamNumber())
return false;
// yep, we hate 'em
return true;
}
//--------------------------------------------------------------------------------------------------------------
/**
* Return number of enemies left alive
*/
template < class PlayerType >
inline int CBot< PlayerType >::GetEnemiesRemaining( void ) const
{
int count = 0;
for ( int i = 1; i <= gpGlobals->maxClients; ++i )
{
CBaseEntity *player = UTIL_PlayerByIndex( i );
if (player == NULL)
continue;
if (!IsEnemy( player ))
continue;
if (!player->IsAlive())
continue;
count++;
}
return count;
}
//--------------------------------------------------------------------------------------------------------------
/**
* Return number of friends left alive
*/
template < class PlayerType >
inline int CBot< PlayerType >::GetFriendsRemaining( void ) const
{
int count = 0;
for ( int i = 1; i <= gpGlobals->maxClients; ++i )
{
CBaseEntity *player = UTIL_PlayerByIndex( i );
if (player == NULL)
continue;
if (IsEnemy( player ))
continue;
if (!player->IsAlive())
continue;
if (player == static_cast<CBaseEntity *>( const_cast<CBot *>( this ) ))
continue;
count++;
}
return count;
}
//--------------------------------------------------------------------------------------------------------------
/**
* Return true if the local player is currently in observer mode watching this bot.
*/
template < class PlayerType >
inline bool CBot< PlayerType >::IsLocalPlayerWatchingMe( void ) const
{
if ( engine->IsDedicatedServer() )
return false;
CBasePlayer *player = UTIL_GetListenServerHost();
if ( player == NULL )
return false;
if ( cv_bot_debug_target.GetInt() > 0 )
{
return this->entindex() == cv_bot_debug_target.GetInt();
}
if ( player->IsObserver() || !player->IsAlive() )
{
if ( const_cast< CBot< PlayerType > * >(this) == player->GetObserverTarget() )
{
switch( player->GetObserverMode() )
{
case OBS_MODE_IN_EYE:
case OBS_MODE_CHASE:
return true;
}
}
}
return false;
}
//--------------------------------------------------------------------------------------------------------------
/**
* Output message to console if we are being watched by the local player
*/
template < class PlayerType >
inline void CBot< PlayerType >::PrintIfWatched( PRINTF_FORMAT_STRING const char *format, ... ) const
{
if (cv_bot_debug.GetInt() == 0)
{
return;
}
if ((IsLocalPlayerWatchingMe() && (cv_bot_debug.GetInt() == 1 || cv_bot_debug.GetInt() == 3)) ||
(cv_bot_debug.GetInt() == 2 || cv_bot_debug.GetInt() == 4))
{
va_list varg;
char buffer[ CBotManager::MAX_DBG_MSG_SIZE ];
const char *name = const_cast< CBot< PlayerType > * >( this )->GetPlayerName();
va_start( varg, format );
vsprintf( buffer, format, varg );
va_end( varg );
// prefix the console message with the bot's name (this can be NULL if bot was just added)
ClientPrint( UTIL_GetListenServerHost(),
HUD_PRINTCONSOLE,
UTIL_VarArgs( "%s: %s",
(name) ? name : "(NULL netname)", buffer ) );
TheBots->AddDebugMessage( buffer );
}
}
//-----------------------------------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------------------------------
extern void InstallBotControl( void );
extern void RemoveBotControl( void );
extern void Bot_ServerCommand( void );
extern void Bot_RegisterCvars( void );
extern bool IsSpotOccupied( CBaseEntity *me, const Vector &pos ); // if a player is at the given spot, return true
extern const Vector *FindNearbyHidingSpot( CBaseEntity *me, const Vector &pos, float maxRange = 1000.0f, bool isSniper = false, bool useNearest = false );
extern const Vector *FindRandomHidingSpot( CBaseEntity *me, Place place, bool isSniper = false );
extern const Vector *FindNearbyRetreatSpot( CBaseEntity *me, const Vector &start, float maxRange = 1000.0f, int avoidTeam = 0 );
#endif // BOT_H