source-engine/game/shared/multiplay_gamerules.cpp

//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
//
// Purpose: Contains the implementation of game rules for multiplayer.
//
// $NoKeywords: $
//=============================================================================//

#include "cbase.h"
#include "multiplay_gamerules.h"
#include "viewport_panel_names.h"
#include "gameeventdefs.h"
#include <KeyValues.h>
#include "filesystem.h"
#include "mp_shareddefs.h"

#ifdef CLIENT_DLL

#else

	#include "eventqueue.h"
	#include "player.h"
	#include "basecombatweapon.h"
	#include "gamerules.h"
	#include "game.h"
	#include "items.h"
	#include "entitylist.h"
	#include "in_buttons.h" 
	#include <ctype.h>
	#include "voice_gamemgr.h"
	#include "iscorer.h"
	#include "hltvdirector.h"
#if defined( REPLAY_ENABLED )
	#include "replaydirector.h"
#endif
	#include "AI_Criteria.h"
	#include "sceneentity.h"
	#include "team.h"
	#include "usermessages.h"
	#include "tier0/icommandline.h"
	#include "basemultiplayerplayer.h"
#endif

// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"


REGISTER_GAMERULES_CLASS( CMultiplayRules );

ConVar mp_chattime(
		"mp_chattime", 
		"10", 
		FCVAR_REPLICATED,
		"amount of time players can chat after the game is over",
		true, 1,
		true, 120 );

#ifdef GAME_DLL
void MPTimeLimitCallback( IConVar *var, const char *pOldString, float flOldValue )
{
	if ( mp_timelimit.GetInt() < 0 )
	{
		mp_timelimit.SetValue( 0 );
	}

	if ( MultiplayRules() )
	{
		MultiplayRules()->HandleTimeLimitChange();
	}
}
#endif 

ConVar mp_timelimit( "mp_timelimit", "0", FCVAR_NOTIFY|FCVAR_REPLICATED, "game time per map in minutes"
#ifdef GAME_DLL
					, MPTimeLimitCallback 
#endif
					);

#ifdef GAME_DLL

ConVar tv_delaymapchange( "tv_delaymapchange", "0", 0, "Delays map change until broadcast is complete" );

ConVar mp_restartgame( "mp_restartgame", "0", FCVAR_GAMEDLL, "If non-zero, game will restart in the specified number of seconds" );


ConVar mp_waitingforplayers_time( "mp_waitingforplayers_time", "0", FCVAR_GAMEDLL, "WaitingForPlayers time length in seconds" );


ConVar mp_waitingforplayers_restart( "mp_waitingforplayers_restart", "0", FCVAR_GAMEDLL, "Set to 1 to start or restart the WaitingForPlayers period." );
ConVar mp_waitingforplayers_cancel( "mp_waitingforplayers_cancel", "0", FCVAR_GAMEDLL, "Set to 1 to end the WaitingForPlayers period." );
ConVar mp_clan_readyrestart( "mp_clan_readyrestart", "0", FCVAR_GAMEDLL, "If non-zero, game will restart once someone from each team gives the ready signal" );
ConVar mp_clan_ready_signal( "mp_clan_ready_signal", "ready", FCVAR_GAMEDLL, "Text that team leader from each team must speak for the match to begin" );

ConVar nextlevel( "nextlevel", 
				  "", 
				  FCVAR_GAMEDLL | FCVAR_NOTIFY,

				  "If set to a valid map name, will change to this map during the next changelevel" );

					  					  
#endif

#ifndef CLIENT_DLL
int CMultiplayRules::m_nMapCycleTimeStamp = 0;
int CMultiplayRules::m_nMapCycleindex = 0;
CUtlStringList CMultiplayRules::m_MapList;
#endif

//=========================================================
//=========================================================
bool CMultiplayRules::IsMultiplayer( void )
{
	return true;
}

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
int CMultiplayRules::Damage_GetTimeBased( void )
{
	int iDamage = ( DMG_PARALYZE | DMG_NERVEGAS | DMG_POISON | DMG_RADIATION | DMG_DROWNRECOVER | DMG_ACID | DMG_SLOWBURN );
	return iDamage;
}

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
int	CMultiplayRules::Damage_GetShouldGibCorpse( void )
{
	int iDamage = ( DMG_CRUSH | DMG_FALL | DMG_BLAST | DMG_SONIC | DMG_CLUB );
	return iDamage;
}

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
int CMultiplayRules::Damage_GetShowOnHud( void )
{
	int iDamage = ( DMG_POISON | DMG_ACID | DMG_DROWN | DMG_BURN | DMG_SLOWBURN | DMG_NERVEGAS | DMG_RADIATION | DMG_SHOCK );
	return iDamage;
}

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
int	CMultiplayRules::Damage_GetNoPhysicsForce( void )
{
	int iTimeBasedDamage = Damage_GetTimeBased();
	int iDamage = ( DMG_FALL | DMG_BURN | DMG_PLASMA | DMG_DROWN | iTimeBasedDamage | DMG_CRUSH | DMG_PHYSGUN | DMG_PREVENT_PHYSICS_FORCE );
	return iDamage;
}

//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
int	CMultiplayRules::Damage_GetShouldNotBleed( void )
{
	int iDamage = ( DMG_POISON | DMG_ACID );
	return iDamage;
}

//-----------------------------------------------------------------------------
// Purpose: 
// Input  : iDmgType - 
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool CMultiplayRules::Damage_IsTimeBased( int iDmgType )
{
	// Damage types that are time-based.
	return ( ( iDmgType & ( DMG_PARALYZE | DMG_NERVEGAS | DMG_POISON | DMG_RADIATION | DMG_DROWNRECOVER | DMG_ACID | DMG_SLOWBURN ) ) != 0 );
}

//-----------------------------------------------------------------------------
// Purpose: 
// Input  : iDmgType - 
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool CMultiplayRules::Damage_ShouldGibCorpse( int iDmgType )
{
	// Damage types that gib the corpse.
	return ( ( iDmgType & ( DMG_CRUSH | DMG_FALL | DMG_BLAST | DMG_SONIC | DMG_CLUB ) ) != 0 );
}

//-----------------------------------------------------------------------------
// Purpose: 
// Input  : iDmgType - 
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool CMultiplayRules::Damage_ShowOnHUD( int iDmgType )
{
	// Damage types that have client HUD art.
	return ( ( iDmgType & ( DMG_POISON | DMG_ACID | DMG_DROWN | DMG_BURN | DMG_SLOWBURN | DMG_NERVEGAS | DMG_RADIATION | DMG_SHOCK ) ) != 0 );
}

//-----------------------------------------------------------------------------
// Purpose: 
// Input  : iDmgType - 
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool CMultiplayRules::Damage_NoPhysicsForce( int iDmgType )
{
	// Damage types that don't have to supply a physics force & position.
	int iTimeBasedDamage = Damage_GetTimeBased();
	return ( ( iDmgType & ( DMG_FALL | DMG_BURN | DMG_PLASMA | DMG_DROWN | iTimeBasedDamage | DMG_CRUSH | DMG_PHYSGUN | DMG_PREVENT_PHYSICS_FORCE ) ) != 0 );
}

//-----------------------------------------------------------------------------
// Purpose: 
// Input  : iDmgType - 
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool CMultiplayRules::Damage_ShouldNotBleed( int iDmgType )
{
	// Damage types that don't make the player bleed.
	return ( ( iDmgType & ( DMG_POISON | DMG_ACID ) ) != 0 );
}

//*********************************************************
// Rules for the half-life multiplayer game.
//*********************************************************
CMultiplayRules::CMultiplayRules()
{
#ifndef CLIENT_DLL
	RefreshSkillData( true );

	// 11/8/98
	// Modified by YWB:  Server .cfg file is now a cvar, so that 
	//  server ops can run multiple game servers, with different server .cfg files,
	//  from a single installed directory.
	// Mapcyclefile is already a cvar.

	// 3/31/99
	// Added lservercfg file cvar, since listen and dedicated servers should not
	// share a single config file. (sjb)
	if ( engine->IsDedicatedServer() )
	{
		// dedicated server
		const char *cfgfile = servercfgfile.GetString();

		if ( cfgfile && cfgfile[0] )
		{
			char szCommand[256];

			Msg( "Executing dedicated server config file\n" );
			Q_snprintf( szCommand,sizeof(szCommand), "exec %s\n", cfgfile );
			engine->ServerCommand( szCommand );
		}
	}
	else
	{
		// listen server
		const char *cfgfile = lservercfgfile.GetString();

		if ( cfgfile && cfgfile[0] )
		{
			char szCommand[256];

			Msg( "Executing listen server config file\n" );
			Q_snprintf( szCommand,sizeof(szCommand), "exec %s\n", cfgfile );
			engine->ServerCommand( szCommand );
		}
	}

	nextlevel.SetValue( "" );
#endif

	LoadVoiceCommandScript();
}


#ifdef CLIENT_DLL


#else 

	extern bool			g_fGameOver;

	#define ITEM_RESPAWN_TIME	30
	#define WEAPON_RESPAWN_TIME	20
	#define AMMO_RESPAWN_TIME	20

	//=========================================================
	//=========================================================
	void CMultiplayRules::RefreshSkillData( bool forceUpdate )
	{
	// load all default values
		BaseClass::RefreshSkillData( forceUpdate );

	// override some values for multiplay.

		// suitcharger

		ConVarRef suitcharger( "sk_suitcharger" );
		suitcharger.SetValue( 30 );

	}


	//=========================================================
	//=========================================================
	void CMultiplayRules::Think ( void )
	{
		BaseClass::Think();
		
		///// Check game rules /////

		if ( g_fGameOver )   // someone else quit the game already
		{
			ChangeLevel(); // intermission is over
			return;
		}

		float flTimeLimit = mp_timelimit.GetFloat() * 60;
		float flFragLimit = fraglimit.GetFloat();
		
		if ( flTimeLimit != 0 && gpGlobals->curtime >= flTimeLimit )
		{
			GoToIntermission();
			return;
		}

		if ( flFragLimit )
		{
			// check if any player is over the frag limit
			for ( int i = 1; i <= gpGlobals->maxClients; i++ )
			{
				CBasePlayer *pPlayer = UTIL_PlayerByIndex( i );

				if ( pPlayer && pPlayer->FragCount() >= flFragLimit )
				{
					GoToIntermission();
					return;
				}
			}
		}
	}


	//=========================================================
	//=========================================================
	bool CMultiplayRules::IsDeathmatch( void )
	{
		return true;
	}

	//=========================================================
	//=========================================================
	bool CMultiplayRules::IsCoOp( void )
	{
		return false;
	}

	//=========================================================
	//=========================================================
	bool CMultiplayRules::FShouldSwitchWeapon( CBasePlayer *pPlayer, CBaseCombatWeapon *pWeapon )
	{
		if ( !pPlayer->Weapon_CanSwitchTo( pWeapon ) )
		{
			// Can't switch weapons for some reason.
			return false;
		}

		if ( !pPlayer->GetActiveWeapon() )
		{
			// Player doesn't have an active item, might as well switch.
			return true;
		}

		if ( !pWeapon->AllowsAutoSwitchTo() )
		{
			// The given weapon should not be auto switched to from another weapon.
			return false;
		}

		if ( !pPlayer->GetActiveWeapon()->AllowsAutoSwitchFrom() )
		{
			// The active weapon does not allow autoswitching away from it.
			return false;
		}

		if ( pWeapon->GetWeight() > pPlayer->GetActiveWeapon()->GetWeight() )
		{
			return true;
		}

		return false;
	}

	//-----------------------------------------------------------------------------
	// Purpose: Returns the weapon in the player's inventory that would be better than
	//			the given weapon.
	//-----------------------------------------------------------------------------
	CBaseCombatWeapon *CMultiplayRules::GetNextBestWeapon( CBaseCombatCharacter *pPlayer, CBaseCombatWeapon *pCurrentWeapon )
	{
		CBaseCombatWeapon *pCheck;
		CBaseCombatWeapon *pBest;// this will be used in the event that we don't find a weapon in the same category.

		int iCurrentWeight = -1;
		int iBestWeight = -1;// no weapon lower than -1 can be autoswitched to
		pBest = NULL;

		// If I have a weapon, make sure I'm allowed to holster it
		if ( pCurrentWeapon )
		{
			if ( !pCurrentWeapon->AllowsAutoSwitchFrom() || !pCurrentWeapon->CanHolster() )
			{
				// Either this weapon doesn't allow autoswitching away from it or I
				// can't put this weapon away right now, so I can't switch.
				return NULL;
			}

			iCurrentWeight = pCurrentWeapon->GetWeight();
		}

		for ( int i = 0 ; i < pPlayer->WeaponCount(); ++i )
		{
			pCheck = pPlayer->GetWeapon( i );
			if ( !pCheck )
				continue;

			// If we have an active weapon and this weapon doesn't allow autoswitching away
			// from another weapon, skip it.
			if ( pCurrentWeapon && !pCheck->AllowsAutoSwitchTo() )
				continue;

			if ( pCheck->GetWeight() > -1 && pCheck->GetWeight() == iCurrentWeight && pCheck != pCurrentWeapon )
			{
				// this weapon is from the same category. 
				if ( pCheck->HasAnyAmmo() )
				{
					if ( pPlayer->Weapon_CanSwitchTo( pCheck ) )
					{
						return pCheck;
					}
				}
			}
			else if ( pCheck->GetWeight() > iBestWeight && pCheck != pCurrentWeapon )// don't reselect the weapon we're trying to get rid of
			{
				//Msg( "Considering %s\n", STRING( pCheck->GetClassname() );
				// we keep updating the 'best' weapon just in case we can't find a weapon of the same weight
				// that the player was using. This will end up leaving the player with his heaviest-weighted 
				// weapon. 
				if ( pCheck->HasAnyAmmo() )
				{
					// if this weapon is useable, flag it as the best
					iBestWeight = pCheck->GetWeight();
					pBest = pCheck;
				}
			}
		}

		// if we make it here, we've checked all the weapons and found no useable 
		// weapon in the same catagory as the current weapon. 
		
		// if pBest is null, we didn't find ANYTHING. Shouldn't be possible- should always 
		// at least get the crowbar, but ya never know.
		return pBest;
	}

	//-----------------------------------------------------------------------------
	// Purpose: 
	// Output : Returns true on success, false on failure.
	//-----------------------------------------------------------------------------
	bool CMultiplayRules::SwitchToNextBestWeapon( CBaseCombatCharacter *pPlayer, CBaseCombatWeapon *pCurrentWeapon )
	{
		CBaseCombatWeapon *pWeapon = GetNextBestWeapon( pPlayer, pCurrentWeapon );

		if ( pWeapon != NULL )
			return pPlayer->Weapon_Switch( pWeapon );
		
		return false;
	}

	//=========================================================
	//=========================================================
	bool CMultiplayRules::ClientConnected( edict_t *pEntity, const char *pszName, const char *pszAddress, char *reject, int maxrejectlen )
	{
		GetVoiceGameMgr()->ClientConnected( pEntity );

		/*
		CBasePlayer *pl = ToBasePlayer( GetContainingEntity( pEntity ) );
		if ( pl && ( engine->IsSplitScreenPlayer( pl->entindex() ) )
		{
			Msg( "%s is a split screen player\n", pszName );
		}
		*/

		return true;
	}

	void CMultiplayRules::InitHUD( CBasePlayer *pl )
	{
	} 

	//=========================================================
	//=========================================================
	void CMultiplayRules::ClientDisconnected( edict_t *pClient )
	{
		if ( pClient )
		{
			CBasePlayer *pPlayer = (CBasePlayer *)CBaseEntity::Instance( pClient );

			if ( pPlayer )
			{
				FireTargets( "game_playerleave", pPlayer, pPlayer, USE_TOGGLE, 0 );

				pPlayer->RemoveAllItems( true );// destroy all of the players weapons and items

				// Kill off view model entities
				pPlayer->DestroyViewModels();

				pPlayer->SetConnected( PlayerDisconnected );
			}
		}
	}

	//=========================================================
	//=========================================================
	float CMultiplayRules::FlPlayerFallDamage( CBasePlayer *pPlayer )
	{
		int iFallDamage = (int)falldamage.GetFloat();

		switch ( iFallDamage )
		{
		case 1://progressive
			pPlayer->m_Local.m_flFallVelocity -= PLAYER_MAX_SAFE_FALL_SPEED;
			return pPlayer->m_Local.m_flFallVelocity * DAMAGE_FOR_FALL_SPEED;
			break;
		default:
		case 0:// fixed
			return 10;
			break;
		}
	} 

	//=========================================================
	//=========================================================
	bool CMultiplayRules::AllowDamage( CBaseEntity *pVictim, const CTakeDamageInfo &info )
	{
		return true;
	}

	//=========================================================
	//=========================================================
	bool CMultiplayRules::FPlayerCanTakeDamage( CBasePlayer *pPlayer, CBaseEntity *pAttacker )
	{
		return true;
	}

	//=========================================================
	//=========================================================
	void CMultiplayRules::PlayerThink( CBasePlayer *pPlayer )
	{
		if ( g_fGameOver )
		{
			// clear attack/use commands from player
			pPlayer->m_afButtonPressed = 0;
			pPlayer->m_nButtons = 0;
			pPlayer->m_afButtonReleased = 0;
		}
	}

	//=========================================================
	//=========================================================
	void CMultiplayRules::PlayerSpawn( CBasePlayer *pPlayer )
	{
		bool		addDefault;
		CBaseEntity	*pWeaponEntity = NULL;

		pPlayer->EquipSuit();
		
		addDefault = true;

		while ( (pWeaponEntity = gEntList.FindEntityByClassname( pWeaponEntity, "game_player_equip" )) != NULL)
		{
			pWeaponEntity->Touch( pPlayer );
			addDefault = false;
		}
	}

	//=========================================================
	//=========================================================
	bool CMultiplayRules::FPlayerCanRespawn( CBasePlayer *pPlayer )
	{
		return true;
	}

	//=========================================================
	//=========================================================
	float CMultiplayRules::FlPlayerSpawnTime( CBasePlayer *pPlayer )
	{
		return gpGlobals->curtime;//now!
	}

	bool CMultiplayRules::AllowAutoTargetCrosshair( void )
	{
		return ( aimcrosshair.GetInt() != 0 );
	}

	//=========================================================
	// IPointsForKill - how many points awarded to anyone
	// that kills this player?
	//=========================================================
	int CMultiplayRules::IPointsForKill( CBasePlayer *pAttacker, CBasePlayer *pKilled )
	{
		return 1;
	}

	//-----------------------------------------------------------------------------
	// Purpose: 
	//-----------------------------------------------------------------------------
	CBasePlayer *CMultiplayRules::GetDeathScorer( CBaseEntity *pKiller, CBaseEntity *pInflictor )
	{
		if ( pKiller)
		{
			if ( pKiller->Classify() == CLASS_PLAYER )
				return (CBasePlayer*)pKiller;

			// Killing entity might be specifying a scorer player
			IScorer *pScorerInterface = dynamic_cast<IScorer*>( pKiller );
			if ( pScorerInterface )
			{
				CBasePlayer *pPlayer = pScorerInterface->GetScorer();
				if ( pPlayer )
					return pPlayer;
			}

			// Inflicting entity might be specifying a scoring player
			pScorerInterface = dynamic_cast<IScorer*>( pInflictor );
			if ( pScorerInterface )
			{
				CBasePlayer *pPlayer = pScorerInterface->GetScorer();
				if ( pPlayer )
					return pPlayer;
			}
		}

		return NULL;
	}

	//-----------------------------------------------------------------------------
	// Purpose: Returns player who should receive credit for kill
	//-----------------------------------------------------------------------------
	CBasePlayer *CMultiplayRules::GetDeathScorer( CBaseEntity *pKiller, CBaseEntity *pInflictor, CBaseEntity *pVictim )
	{
		// if this method not overridden by subclass, just call our default implementation
		return GetDeathScorer( pKiller, pInflictor );
	}

	//=========================================================
	// PlayerKilled - someone/something killed this player
	//=========================================================
	void CMultiplayRules::PlayerKilled( CBasePlayer *pVictim, const CTakeDamageInfo &info )
	{
		DeathNotice( pVictim, info );

		// Find the killer & the scorer
		CBaseEntity *pInflictor = info.GetInflictor();
		CBaseEntity *pKiller = info.GetAttacker();
		CBasePlayer *pScorer = GetDeathScorer( pKiller, pInflictor, pVictim );
		
		pVictim->IncrementDeathCount( 1 );

		// dvsents2: uncomment when removing all FireTargets
		// variant_t value;
		// g_EventQueue.AddEvent( "game_playerdie", "Use", value, 0, pVictim, pVictim );
		FireTargets( "game_playerdie", pVictim, pVictim, USE_TOGGLE, 0 );

		// Did the player kill himself?
		if ( pVictim == pScorer )  
		{			
			if ( UseSuicidePenalty() )
			{
				// Players lose a frag for killing themselves
				pVictim->IncrementFragCount( -1 );
			}			
		}
		else if ( pScorer )
		{
			// if a player dies in a deathmatch game and the killer is a client, award the killer some points
			pScorer->IncrementFragCount( IPointsForKill( pScorer, pVictim ) );
			
			// Allow the scorer to immediately paint a decal
			pScorer->AllowImmediateDecalPainting();

			// dvsents2: uncomment when removing all FireTargets
			//variant_t value;
			//g_EventQueue.AddEvent( "game_playerkill", "Use", value, 0, pScorer, pScorer );
			FireTargets( "game_playerkill", pScorer, pScorer, USE_TOGGLE, 0 );
		}
		else
		{  
			if ( UseSuicidePenalty() )
			{
				// Players lose a frag for letting the world kill them			
				pVictim->IncrementFragCount( -1 );
			}					
		}
	}

	//=========================================================
	// Deathnotice. 
	//=========================================================
	void CMultiplayRules::DeathNotice( CBasePlayer *pVictim, const CTakeDamageInfo &info )
	{
		// Work out what killed the player, and send a message to all clients about it
		const char *killer_weapon_name = "world";		// by default, the player is killed by the world
		int killer_ID = 0;

		// Find the killer & the scorer
		CBaseEntity *pInflictor = info.GetInflictor();
		CBaseEntity *pKiller = info.GetAttacker();
		CBasePlayer *pScorer = GetDeathScorer( pKiller, pInflictor, pVictim );

		// Custom damage type?
		if ( info.GetDamageCustom() )
		{
			killer_weapon_name = GetDamageCustomString( info );
			if ( pScorer )
			{
				killer_ID = pScorer->GetUserID();
			}
		}
		else
		{
			// Is the killer a client?
			if ( pScorer )
			{
				killer_ID = pScorer->GetUserID();
				
				if ( pInflictor )
				{
					if ( pInflictor == pScorer )
					{
						// If the inflictor is the killer,  then it must be their current weapon doing the damage
						if ( pScorer->GetActiveWeapon() )
						{
							killer_weapon_name = pScorer->GetActiveWeapon()->GetDeathNoticeName();
						}
					}
					else
					{
						killer_weapon_name = STRING( pInflictor->m_iClassname );  // it's just that easy
					}
				}
			}
			else
			{
				killer_weapon_name = STRING( pInflictor->m_iClassname );
			}

			// strip the NPC_* or weapon_* from the inflictor's classname
			if ( strncmp( killer_weapon_name, "weapon_", 7 ) == 0 )
			{
				killer_weapon_name += 7;
			}
			else if ( strncmp( killer_weapon_name, "NPC_", 8 ) == 0 )
			{
				killer_weapon_name += 8;
			}
			else if ( strncmp( killer_weapon_name, "func_", 5 ) == 0 )
			{
				killer_weapon_name += 5;
			}
		}

		IGameEvent * event = gameeventmanager->CreateEvent( "player_death" );
		if ( event )
		{
			event->SetInt("userid", pVictim->GetUserID() );
			event->SetInt("attacker", killer_ID );
			event->SetInt("customkill", info.GetDamageCustom() );
			event->SetInt("priority", 7 );	// HLTV event priority, not transmitted
			
			gameeventmanager->FireEvent( event );
		}

	}

	//=========================================================
	// FlWeaponRespawnTime - what is the time in the future
	// at which this weapon may spawn?
	//=========================================================
	float CMultiplayRules::FlWeaponRespawnTime( CBaseCombatWeapon *pWeapon )
	{
		if ( weaponstay.GetInt() > 0 )
		{
			// make sure it's only certain weapons
			if ( !(pWeapon->GetWeaponFlags() & ITEM_FLAG_LIMITINWORLD) )
			{
				return gpGlobals->curtime + 0;		// weapon respawns almost instantly
			}
		}

		return gpGlobals->curtime + WEAPON_RESPAWN_TIME;
	}

	// when we are within this close to running out of entities,  items 
	// marked with the ITEM_FLAG_LIMITINWORLD will delay their respawn
	#define ENTITY_INTOLERANCE	100

	//=========================================================
	// FlWeaponRespawnTime - Returns 0 if the weapon can respawn 
	// now,  otherwise it returns the time at which it can try
	// to spawn again.
	//=========================================================
	float CMultiplayRules::FlWeaponTryRespawn( CBaseCombatWeapon *pWeapon )
	{
		if ( pWeapon && (pWeapon->GetWeaponFlags() & ITEM_FLAG_LIMITINWORLD) )
		{
			if ( gEntList.NumberOfEntities() < (gpGlobals->maxEntities - ENTITY_INTOLERANCE) )
				return 0;

			// we're past the entity tolerance level,  so delay the respawn
			return FlWeaponRespawnTime( pWeapon );
		}

		return 0;
	}

	//=========================================================
	// VecWeaponRespawnSpot - where should this weapon spawn?
	// Some game variations may choose to randomize spawn locations
	//=========================================================
	Vector CMultiplayRules::VecWeaponRespawnSpot( CBaseCombatWeapon *pWeapon )
	{
		return pWeapon->GetAbsOrigin();
	}

	//=========================================================
	// WeaponShouldRespawn - any conditions inhibiting the
	// respawning of this weapon?
	//=========================================================
	int CMultiplayRules::WeaponShouldRespawn( CBaseCombatWeapon *pWeapon )
	{
		if ( pWeapon->HasSpawnFlags( SF_NORESPAWN ) )
		{
			return GR_WEAPON_RESPAWN_NO;
		}

		return GR_WEAPON_RESPAWN_YES;
	}

	//=========================================================
	// CanHaveWeapon - returns false if the player is not allowed
	// to pick up this weapon
	//=========================================================
	bool CMultiplayRules::CanHavePlayerItem( CBasePlayer *pPlayer, CBaseCombatWeapon *pItem )
	{
		if ( weaponstay.GetInt() > 0 )
		{
			if ( pItem->GetWeaponFlags() & ITEM_FLAG_LIMITINWORLD )
				return BaseClass::CanHavePlayerItem( pPlayer, pItem );

			// check if the player already has this weapon
			for ( int i = 0 ; i < pPlayer->WeaponCount() ; i++ )
			{
				if ( pPlayer->GetWeapon(i) == pItem )
				{
					return false;
				}
			}
		}

		return BaseClass::CanHavePlayerItem( pPlayer, pItem );
	}

	//=========================================================
	//=========================================================
	bool CMultiplayRules::CanHaveItem( CBasePlayer *pPlayer, CItem *pItem )
	{
		return true;
	}

	//=========================================================
	//=========================================================
	void CMultiplayRules::PlayerGotItem( CBasePlayer *pPlayer, CItem *pItem )
	{
	}

	//=========================================================
	//=========================================================
	int CMultiplayRules::ItemShouldRespawn( CItem *pItem )
	{
		if ( pItem->HasSpawnFlags( SF_NORESPAWN ) )
		{
			return GR_ITEM_RESPAWN_NO;
		}

		return GR_ITEM_RESPAWN_YES;
	}


	//=========================================================
	// At what time in the future may this Item respawn?
	//=========================================================
	float CMultiplayRules::FlItemRespawnTime( CItem *pItem )
	{
		return gpGlobals->curtime + ITEM_RESPAWN_TIME;
	}

	//=========================================================
	// Where should this item respawn?
	// Some game variations may choose to randomize spawn locations
	//=========================================================
	Vector CMultiplayRules::VecItemRespawnSpot( CItem *pItem )
	{
		return pItem->GetAbsOrigin();
	}

	//=========================================================
	// What angles should this item use to respawn?
	//=========================================================
	QAngle CMultiplayRules::VecItemRespawnAngles( CItem *pItem )
	{
		return pItem->GetAbsAngles();
	}

	//=========================================================
	//=========================================================
	void CMultiplayRules::PlayerGotAmmo( CBaseCombatCharacter *pPlayer, char *szName, int iCount )
	{
	}

	//=========================================================
	//=========================================================
	bool CMultiplayRules::IsAllowedToSpawn( CBaseEntity *pEntity )
	{
	//	if ( pEntity->GetFlags() & FL_NPC )
	//		return false;

		return true;
	}


	//=========================================================
	//=========================================================
	float CMultiplayRules::FlHealthChargerRechargeTime( void )
	{
		return 60;
	}


	float CMultiplayRules::FlHEVChargerRechargeTime( void )
	{
		return 30;
	}

	//=========================================================
	//=========================================================
	int CMultiplayRules::DeadPlayerWeapons( CBasePlayer *pPlayer )
	{
		return GR_PLR_DROP_GUN_ACTIVE;
	}

	//=========================================================
	//=========================================================
	int CMultiplayRules::DeadPlayerAmmo( CBasePlayer *pPlayer )
	{
		return GR_PLR_DROP_AMMO_ACTIVE;
	}

	CBaseEntity *CMultiplayRules::GetPlayerSpawnSpot( CBasePlayer *pPlayer )
	{
		CBaseEntity *pentSpawnSpot = BaseClass::GetPlayerSpawnSpot( pPlayer );	

	//!! replace this with an Event
	/*
		if ( IsMultiplayer() && pentSpawnSpot->m_target )
		{
			FireTargets( STRING(pentSpawnSpot->m_target), pPlayer, pPlayer, USE_TOGGLE, 0 ); // dvsents2: what is this code supposed to do?
		}
	*/

		return pentSpawnSpot;
	}


	//=========================================================
	//=========================================================
	bool CMultiplayRules::PlayerCanHearChat( CBasePlayer *pListener, CBasePlayer *pSpeaker )
	{
		return ( PlayerRelationship( pListener, pSpeaker ) == GR_TEAMMATE );
	}

	int CMultiplayRules::PlayerRelationship( CBaseEntity *pPlayer, CBaseEntity *pTarget )
	{
		// half life deathmatch has only enemies
		return GR_NOTTEAMMATE;
	}

	bool CMultiplayRules::PlayFootstepSounds( CBasePlayer *pl )
	{
		if ( footsteps.GetInt() == 0 )
			return false;

		if ( pl->IsOnLadder() || pl->GetAbsVelocity().Length2D() > 220 )
			return true;  // only make step sounds in multiplayer if the player is moving fast enough

		return false;
	}

	bool CMultiplayRules::FAllowFlashlight( void ) 
	{ 
		return flashlight.GetInt() != 0; 
	}

	//=========================================================
	//=========================================================
	bool CMultiplayRules::FAllowNPCs( void )
	{
		return true; // E3 hack
		return ( allowNPCs.GetInt() != 0 );
	}

	//=========================================================
	//======== CMultiplayRules private functions ===========

	void CMultiplayRules::GoToIntermission( void )
	{
		if ( g_fGameOver )
			return;

		g_fGameOver = true;

		float flWaitTime = mp_chattime.GetInt();

		if ( tv_delaymapchange.GetBool() )
		{
			if ( HLTVDirector()->IsActive() )	
				flWaitTime = MAX ( flWaitTime, HLTVDirector()->GetDelay() );
#if defined( REPLAY_ENABLED )
			else if ( ReplayDirector()->IsActive() )
				flWaitTime = MAX ( flWaitTime, ReplayDirector()->GetDelay() );
#endif
		}
				
		m_flIntermissionEndTime = gpGlobals->curtime + flWaitTime;

		for ( int i = 1; i <= MAX_PLAYERS; i++ )
		{
			CBasePlayer *pPlayer = UTIL_PlayerByIndex( i );

			if ( !pPlayer )
				continue;

			pPlayer->ShowViewPortPanel( PANEL_SCOREBOARD );
		}
	}

	void StripChar(char *szBuffer, const char cWhiteSpace )
	{

		while ( char *pSpace = strchr( szBuffer, cWhiteSpace ) )
		{
			char *pNextChar = pSpace + sizeof(char);
			V_strcpy( pSpace, pNextChar );
		}
	}

	void CMultiplayRules::GetNextLevelName( char *pszNextMap, int bufsize, bool bRandom /* = false */ )
	{
		const char *mapcfile = mapcyclefile.GetString();
		Assert( mapcfile != NULL );

		// Check the time of the mapcycle file and re-populate the list of level names if the file has been modified
		const int nMapCycleTimeStamp = filesystem->GetPathTime( mapcfile, "GAME" );

		if ( 0 == nMapCycleTimeStamp )
		{
			// Map cycle file does not exist, make a list containing only the current map
			char *szCurrentMapName = new char[32];
			Q_strncpy( szCurrentMapName, STRING(gpGlobals->mapname), 32 );
			m_MapList.AddToTail( szCurrentMapName );
		}
		else
		{
			// If map cycle file has changed or this is the first time through ...
			if ( m_nMapCycleTimeStamp != nMapCycleTimeStamp )
			{
				// Reset map index and map cycle timestamp
				m_nMapCycleTimeStamp = nMapCycleTimeStamp;
				m_nMapCycleindex = 0;

				// Clear out existing map list. Not using Purge() because I don't think that it will do a 'delete []'
				for ( int i = 0; i < m_MapList.Count(); i++ )
				{
					delete [] m_MapList[i];
				}

				m_MapList.RemoveAll();

				// Repopulate map list from mapcycle file
				int nFileLength;
				char *aFileList = (char*)UTIL_LoadFileForMe( mapcfile, &nFileLength );
				if ( aFileList && nFileLength )
				{
					V_SplitString( aFileList, "\n", m_MapList );

					for ( int i = 0; i < m_MapList.Count(); i++ )
					{
						bool bIgnore = false;

						// Strip out the spaces in the name
						StripChar( m_MapList[i] , '\r');
						StripChar( m_MapList[i] , ' ');
						
						if ( !engine->IsMapValid( m_MapList[i] ) )
						{
							bIgnore = true;

							// If the engine doesn't consider it a valid map remove it from the lists
							char szWarningMessage[MAX_PATH];
							V_snprintf( szWarningMessage, MAX_PATH, "Invalid map '%s' included in map cycle file. Ignored.\n", m_MapList[i] );
							Warning( szWarningMessage );
						}
						else if ( !Q_strncmp( m_MapList[i], "//", 2 ) )
						{
							bIgnore = true;
						}

						if ( bIgnore )
						{
							delete [] m_MapList[i];
							m_MapList.Remove( i );
							--i;
						}
					}

					UTIL_FreeFile( (byte *)aFileList );
				}
			}
		}

		// If somehow we have no maps in the list then add the current one
		if ( 0 == m_MapList.Count() )
		{
			char *szDefaultMapName = new char[32];
			Q_strncpy( szDefaultMapName, STRING(gpGlobals->mapname), 32 );
			m_MapList.AddToTail( szDefaultMapName );
		}

		if ( bRandom )
		{
			m_nMapCycleindex = RandomInt( 0, m_MapList.Count() - 1 );
		}

		// Here's the return value
		Q_strncpy( pszNextMap, m_MapList[m_nMapCycleindex], bufsize);
	}

	void CMultiplayRules::ChangeLevel( void )
	{
		char szNextMap[32];

		if ( nextlevel.GetString() && *nextlevel.GetString() && engine->IsMapValid( nextlevel.GetString() ) )
		{
			Q_strncpy( szNextMap, nextlevel.GetString(), sizeof( szNextMap ) );
		}
		else
		{
			GetNextLevelName( szNextMap, sizeof(szNextMap) );
			IncrementMapCycleIndex();
		}

		g_fGameOver = true;
		Msg( "CHANGE LEVEL: %s\n", szNextMap );
		engine->ChangeLevel( szNextMap, NULL );
	}

#endif		


	//-----------------------------------------------------------------------------
	// Purpose: Shared script resource of voice menu commands and hud strings
	//-----------------------------------------------------------------------------
	void CMultiplayRules::LoadVoiceCommandScript( void )
	{
		KeyValues *pKV = new KeyValues( "VoiceCommands" );

		if ( pKV->LoadFromFile( filesystem, "scripts/voicecommands.txt", "GAME" ) )
		{
			for ( KeyValues *menu = pKV->GetFirstSubKey(); menu != NULL; menu = menu->GetNextKey() )
			{
				int iMenuIndex = m_VoiceCommandMenus.AddToTail();

				int iNumItems = 0;

				// for each subkey of this menu, add a menu item
				for ( KeyValues *menuitem = menu->GetFirstSubKey(); menuitem != NULL; menuitem = menuitem->GetNextKey() )
				{
					iNumItems++;

					if ( iNumItems > 9 )
					{
						Warning( "Trying to load more than 9 menu items in voicecommands.txt, extras ignored" );
						continue;
					}

					VoiceCommandMenuItem_t item;

#ifndef CLIENT_DLL
					int iConcept = GetMPConceptIndexFromString( menuitem->GetString( "concept", "" ) );
					if ( iConcept == MP_CONCEPT_NONE )
					{
						Warning( "Voicecommand script attempting to use unknown concept. Need to define new concepts in code. ( %s )\n", menuitem->GetString( "concept", "" ) );
					}
					item.m_iConcept = iConcept;

					item.m_bShowSubtitle = ( menuitem->GetInt( "show_subtitle", 0 ) > 0 );
					item.m_bDistanceBasedSubtitle = ( menuitem->GetInt( "distance_check_subtitle", 0 ) > 0 );

					Q_strncpy( item.m_szGestureActivity, menuitem->GetString( "activity", "" ), sizeof( item.m_szGestureActivity ) ); 
#else
					Q_strncpy( item.m_szSubtitle, menuitem->GetString( "subtitle", "" ), MAX_VOICE_COMMAND_SUBTITLE );
					Q_strncpy( item.m_szMenuLabel, menuitem->GetString( "menu_label", "" ), MAX_VOICE_COMMAND_SUBTITLE );

#endif
					m_VoiceCommandMenus.Element( iMenuIndex ).AddToTail( item );
				}
			}
		}

		pKV->deleteThis();
	}

#ifndef CLIENT_DLL
	void CMultiplayRules::IncrementMapCycleIndex()
	{
		// Reset index if we've passed the end of the map list
		if ( ++m_nMapCycleindex >= m_MapList.Count() )
		{
			m_nMapCycleindex = 0;
		}
	}

	bool CMultiplayRules::ClientCommand( CBaseEntity *pEdict, const CCommand &args )
	{
		CBasePlayer *pPlayer = ToBasePlayer( pEdict );

		const char *pcmd = args[0];
		if ( FStrEq( pcmd, "voicemenu" ) )
		{
			if ( args.ArgC() < 3 )
				return true;

			CBaseMultiplayerPlayer *pMultiPlayerPlayer = dynamic_cast< CBaseMultiplayerPlayer * >( pPlayer );

			if ( pMultiPlayerPlayer )
			{
				int iMenu = atoi( args[1] );
				int iItem = atoi( args[2] );

				VoiceCommand( pMultiPlayerPlayer, iMenu, iItem );
			}

			return true;
		}
		else if ( FStrEq( pcmd, "achievement_earned" ) )
		{
			CBaseMultiplayerPlayer *pPlayer = static_cast<CBaseMultiplayerPlayer*>( pEdict );
			if ( pPlayer && pPlayer->ShouldAnnounceAchievement() )
			{
				// let's check this came from the client .dll and not the console
				unsigned short mask = UTIL_GetAchievementEventMask();
				int iPlayerID = pPlayer->GetUserID();

				int iAchievement = atoi( args[1] ) ^ mask;
				int code = ( iPlayerID ^ iAchievement ) ^ mask;

				if ( code == atoi( args[2] ) )
				{
					IGameEvent * event = gameeventmanager->CreateEvent( "achievement_earned" );
					if ( event )
					{
						event->SetInt( "player", pEdict->entindex() );
						event->SetInt( "achievement", iAchievement );
						gameeventmanager->FireEvent( event );
					}

					pPlayer->OnAchievementEarned( iAchievement );
				}
			}

			return true;
		}

		return BaseClass::ClientCommand( pEdict, args );

	}

	VoiceCommandMenuItem_t *CMultiplayRules::VoiceCommand( CBaseMultiplayerPlayer *pPlayer, int iMenu, int iItem )
	{
		// have the player speak the concept that is in a particular menu slot
		if ( !pPlayer )
			return NULL;

		if ( iMenu < 0 || iMenu >= m_VoiceCommandMenus.Count() )
			return NULL;

		if ( iItem < 0 || iItem >= m_VoiceCommandMenus.Element( iMenu ).Count() )
			return NULL;

		VoiceCommandMenuItem_t *pItem = &m_VoiceCommandMenus.Element( iMenu ).Element( iItem );

		Assert( pItem );

		char szResponse[AI_Response::MAX_RESPONSE_NAME];

		if ( pPlayer->CanSpeakVoiceCommand() )
		{
			CMultiplayer_Expresser *pExpresser = pPlayer->GetMultiplayerExpresser();
			Assert( pExpresser );
			pExpresser->AllowMultipleScenes();

			if ( pPlayer->SpeakConceptIfAllowed( pItem->m_iConcept, NULL, szResponse, AI_Response::MAX_RESPONSE_NAME ) )
			{
				// show a subtitle if we need to
				if ( pItem->m_bShowSubtitle )
				{
					CRecipientFilter filter;

					if ( pItem->m_bDistanceBasedSubtitle )
					{
						filter.AddRecipientsByPAS( pPlayer->WorldSpaceCenter() );

						// further reduce the range to a certain radius
						int i;
						for ( i = filter.GetRecipientCount()-1; i >= 0; i-- )
						{
							int index = filter.GetRecipientIndex(i);

							CBasePlayer *pListener = UTIL_PlayerByIndex( index );

							if ( pListener && pListener != pPlayer )
							{
								float flDist = ( pListener->WorldSpaceCenter() - pPlayer->WorldSpaceCenter() ).Length2D();

								if ( flDist > VOICE_COMMAND_MAX_SUBTITLE_DIST )
									filter.RemoveRecipientByPlayerIndex( index );
							}
						}
					}
					else
					{
						filter.AddAllPlayers();
					}

					// if we aren't a disguised spy
					if ( !pPlayer->ShouldShowVoiceSubtitleToEnemy() )
					{
						// remove players on other teams
						filter.RemoveRecipientsNotOnTeam( pPlayer->GetTeam() );
					}

					// Register this event in the mod-specific usermessages .cpp file if you hit this assert
					Assert( usermessages->LookupUserMessage( "VoiceSubtitle" ) != -1 );

					// Send a subtitle to anyone in the PAS
					UserMessageBegin( filter, "VoiceSubtitle" );
						WRITE_BYTE( pPlayer->entindex() );
						WRITE_BYTE( iMenu );
						WRITE_BYTE( iItem );
					MessageEnd();
				}

				pPlayer->NoteSpokeVoiceCommand( szResponse );
			}
			else
			{
				pItem = NULL;
			}

			pExpresser->DisallowMultipleScenes();
			return pItem;
		}

		return NULL;
	}

	bool CMultiplayRules::IsLoadingBugBaitReport()
	{
		return ( !engine->IsDedicatedServer()&& CommandLine()->CheckParm( "-bugbait" ) && sv_cheats->GetBool() );
	}

	void CMultiplayRules::HaveAllPlayersSpeakConceptIfAllowed( int iConcept )
	{
		CBaseMultiplayerPlayer *pPlayer;
		for ( int i = 1; i <= gpGlobals->maxClients; i++ )
		{
			pPlayer = ToBaseMultiplayerPlayer( UTIL_PlayerByIndex( i ) );

			if ( !pPlayer )
				continue;

			pPlayer->SpeakConceptIfAllowed( iConcept );
		}
	}

	void CMultiplayRules::GetTaggedConVarList( KeyValues *pCvarTagList )
	{
		BaseClass::GetTaggedConVarList( pCvarTagList );

		KeyValues *pGravity = new KeyValues( "sv_gravity" );
		pGravity->SetString( "convar", "sv_gravity" );
		pGravity->SetString( "tag", "gravity" );

		pCvarTagList->AddSubKey( pGravity );
	}

#else

	const char *CMultiplayRules::GetVoiceCommandSubtitle( int iMenu, int iItem )
	{
		Assert( iMenu >= 0 && iMenu < m_VoiceCommandMenus.Count() );
		if ( iMenu < 0 || iMenu >= m_VoiceCommandMenus.Count() )
			return "";

		Assert( iItem >= 0 && iItem < m_VoiceCommandMenus.Element( iMenu ).Count() );
		if ( iItem < 0 || iItem >= m_VoiceCommandMenus.Element( iMenu ).Count() )
			return "";

		VoiceCommandMenuItem_t *pItem = &m_VoiceCommandMenus.Element( iMenu ).Element( iItem );

		Assert( pItem );

		return pItem->m_szSubtitle;
	}

	// Returns false if no such menu is declared or if it's an empty menu
	bool CMultiplayRules::GetVoiceMenuLabels( int iMenu, KeyValues *pKV )
	{
		Assert( iMenu >= 0 && iMenu < m_VoiceCommandMenus.Count() );
		if ( iMenu < 0 || iMenu >= m_VoiceCommandMenus.Count() )
			return false;

		int iNumItems = m_VoiceCommandMenus.Element( iMenu ).Count();

		for ( int i=0; i<iNumItems; i++ )
		{
			VoiceCommandMenuItem_t *pItem = &m_VoiceCommandMenus.Element( iMenu ).Element( i );

			KeyValues *pLabelKV = new KeyValues( pItem->m_szMenuLabel );

			pKV->AddSubKey( pLabelKV );
		}

		return iNumItems > 0;
	}

#endif

//-----------------------------------------------------------------------------
// Purpose: Sort function for sorting players by time spent connected ( user ID )
//-----------------------------------------------------------------------------
bool CSameTeamGroup::Less( const CSameTeamGroup &p1, const CSameTeamGroup &p2 )
{
	// sort by score
	return ( p1.Score() > p2.Score() );
}

CSameTeamGroup::CSameTeamGroup() : 
	m_nScore( INT_MIN )
{
}

CSameTeamGroup::CSameTeamGroup( const CSameTeamGroup &src )
{
	m_nScore = src.m_nScore;
	m_Players = src.m_Players;
}

int CSameTeamGroup::Score() const 
{ 
	return m_nScore; 
}

CBasePlayer *CSameTeamGroup::GetPlayer( int idx )
{
	return m_Players[ idx ];
}

int CSameTeamGroup::Count() const
{
	return m_Players.Count();
}