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557 lines
14 KiB
557 lines
14 KiB
//========= Copyright © 1996-2005, Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Basic BOT handling.
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//
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// $Workfile: $
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// $Date: $
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//
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//-----------------------------------------------------------------------------
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// $Log: $
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//
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// $NoKeywords: $
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//=============================================================================//
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#include "cbase.h"
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#include "cs_player.h"
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#include "in_buttons.h"
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#include "movehelper_server.h"
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#include "team.h"
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#include "cs_gamerules.h"
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#include "client.h"
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void Bot_Think( CCSPlayer *pBot );
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ConVar bot_forcefireweapon( "bot_forcefireweapon", "", 0, "Force bots with the specified weapon to fire." );
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ConVar bot_forceattack2( "bot_forceattack2", "0", 0, "When firing, use attack2." );
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ConVar bot_forceattackon( "bot_forceattackon", "0", 0, "When firing, don't tap fire, hold it down." );
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ConVar bot_flipout( "bot_flipout", "0", 0, "When on, all bots fire their guns." );
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ConVar bot_mimic( "bot_mimic", "0", 0, "Bot uses usercmd of player by index." );
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static ConVar bot_mimic_yaw_offset( "bot_mimic_yaw_offset", "0", 0, "Offsets the bot yaw." );
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static int BotNumber = 1;
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static int g_iNextBotTeam = -1;
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typedef struct
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{
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bool backwards;
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float nextturntime;
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bool lastturntoright;
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float nextstrafetime;
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float sidemove;
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QAngle forwardAngle;
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QAngle lastAngles;
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int m_WantedTeam;
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float m_flJoinTeamTime;
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bool m_bTempBot; // Is this slot a dump temp bot or a real bot?
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} botdata_t;
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static botdata_t g_BotData[ MAX_PLAYERS ];
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//-----------------------------------------------------------------------------
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// Purpose: Create a new Bot and put it in the game.
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// Output : Pointer to the new Bot, or NULL if there's no free clients.
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//-----------------------------------------------------------------------------
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CBasePlayer *BotPutInServer( bool bFrozen, int iTeam )
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{
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g_iNextBotTeam = iTeam;
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char botname[ 64 ];
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Q_snprintf( botname, sizeof( botname ), "Bot%02i", BotNumber );
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edict_t *pEdict = engine->CreateFakeClient( botname );
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if (!pEdict)
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{
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Msg( "Failed to create Bot.\n");
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return NULL;
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}
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// Allocate a CBasePlayer for the bot, and call spawn
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//ClientPutInServer( pEdict, botname );
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//ClientActive( pEdict, false );
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CCSPlayer *pPlayer = ((CCSPlayer *)CBaseEntity::Instance( pEdict ));
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pPlayer->ClearFlags();
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pPlayer->AddFlag( FL_CLIENT | FL_FAKECLIENT );
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if ( bFrozen )
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pPlayer->AddEFlags( EFL_BOT_FROZEN );
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if ( iTeam == -1 )
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iTeam = ( pPlayer->entindex() & 1 ) ? TEAM_TERRORIST : TEAM_CT;
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botdata_t *pData = &g_BotData[pPlayer->entindex()-1];
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pData->m_WantedTeam = iTeam;
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pData->m_flJoinTeamTime = gpGlobals->curtime + 0.3;
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pData->m_bTempBot = true;
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BotNumber++;
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return pPlayer;
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}
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bool IsTempBot( CBaseEntity *pEnt )
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{
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if ( !pEnt )
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return false;
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if ( !(pEnt->GetFlags() & FL_FAKECLIENT) )
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return false;
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int i = pEnt->entindex();
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if ( i >= 1 && i < MAX_PLAYERS )
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return g_BotData[i-1].m_bTempBot;
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else
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return false;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Run through all the Bots in the game and let them think.
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//-----------------------------------------------------------------------------
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void Bot_RunAll( void )
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{
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for ( int i = 1; i <= gpGlobals->maxClients; i++ )
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{
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CCSPlayer *pPlayer = ToCSPlayer( UTIL_PlayerByIndex( i ) );
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if ( IsTempBot( pPlayer ) )
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{
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Bot_Think( pPlayer );
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}
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}
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}
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bool RunMimicCommand( CUserCmd& cmd )
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{
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if ( bot_mimic.GetInt() <= 0 )
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return false;
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if ( bot_mimic.GetInt() > gpGlobals->maxClients )
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return false;
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CBasePlayer *pPlayer = UTIL_PlayerByIndex( bot_mimic.GetInt() );
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if ( !pPlayer )
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return false;
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if ( !pPlayer->GetLastUserCommand() )
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return false;
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cmd = *pPlayer->GetLastUserCommand();
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cmd.viewangles[YAW] += bot_mimic_yaw_offset.GetFloat();
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return true;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Simulates a single frame of movement for a player
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// Input : *fakeclient -
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// *viewangles -
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// forwardmove -
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// sidemove -
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// upmove -
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// buttons -
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// impulse -
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// msec -
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// Output : virtual void
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//-----------------------------------------------------------------------------
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static void RunPlayerMove( CCSPlayer *fakeclient, const QAngle& viewangles, float forwardmove, float sidemove, float upmove, unsigned short buttons, byte impulse, float frametime )
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{
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if ( !fakeclient )
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return;
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CUserCmd cmd;
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// Store off the globals.. they're gonna get whacked
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float flOldFrametime = gpGlobals->frametime;
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float flOldCurtime = gpGlobals->curtime;
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float flTimeBase = gpGlobals->curtime;
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fakeclient->SetTimeBase( flTimeBase );
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Q_memset( &cmd, 0, sizeof( cmd ) );
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if ( !RunMimicCommand( cmd ) )
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{
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VectorCopy( viewangles, cmd.viewangles );
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cmd.forwardmove = forwardmove;
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cmd.sidemove = sidemove;
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cmd.upmove = upmove;
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cmd.buttons = buttons;
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cmd.impulse = impulse;
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cmd.random_seed = random->RandomInt( 0, 0x7fffffff );
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}
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MoveHelperServer()->SetHost( fakeclient );
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fakeclient->PlayerRunCommand( &cmd, MoveHelperServer() );
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// save off the last good usercmd
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fakeclient->SetLastUserCommand( cmd );
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// Clear out any fixangle that has been set
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fakeclient->pl.fixangle = FIXANGLE_NONE;
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// Restore the globals..
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gpGlobals->frametime = flOldFrametime;
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gpGlobals->curtime = flOldCurtime;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Run this Bot's AI for one frame.
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//-----------------------------------------------------------------------------
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void Bot_Think( CCSPlayer *pBot )
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{
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// Make sure we stay being a bot
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pBot->AddFlag( FL_FAKECLIENT );
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botdata_t *botdata = &g_BotData[ pBot->entindex() - 1 ];
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float forwardmove = 0.0;
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float sidemove = botdata->sidemove;
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float upmove = 0.0;
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unsigned short buttons = 0;
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byte impulse = 0;
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float frametime = gpGlobals->frametime;
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if ( pBot->GetTeamNumber() == TEAM_UNASSIGNED && gpGlobals->curtime > botdata->m_flJoinTeamTime )
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{
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pBot->HandleCommand_JoinTeam( botdata->m_WantedTeam );
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}
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else if ( pBot->GetTeamNumber() != TEAM_UNASSIGNED && pBot->PlayerClass() == CS_CLASS_NONE )
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{
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// If they're on a team but haven't picked a class, choose a random class..
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pBot->HandleCommand_JoinClass( 0 );
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}
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else
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{
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QAngle vecViewAngles;
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vecViewAngles = pBot->GetLocalAngles();
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// Create some random values
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if ( pBot->IsAlive() && (pBot->GetSolid() == SOLID_BBOX) )
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{
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trace_t trace;
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// Stop when shot
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if ( !pBot->IsEFlagSet(EFL_BOT_FROZEN) )
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{
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if ( pBot->m_iHealth == 100 )
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{
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forwardmove = 600 * ( botdata->backwards ? -1 : 1 );
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if ( botdata->sidemove != 0.0f )
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{
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forwardmove *= random->RandomFloat( 0.1, 1.0f );
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}
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}
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else
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{
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forwardmove = 0;
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}
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}
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// Only turn if I haven't been hurt
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if ( !pBot->IsEFlagSet(EFL_BOT_FROZEN) && pBot->m_iHealth == 100 )
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{
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Vector vecEnd;
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Vector forward;
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QAngle angle;
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float angledelta = 15.0;
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int maxtries = (int)360.0/angledelta;
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if ( botdata->lastturntoright )
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{
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angledelta = -angledelta;
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}
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angle = pBot->GetLocalAngles();
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Vector vecSrc;
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while ( --maxtries >= 0 )
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{
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AngleVectors( angle, &forward, NULL, NULL );
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vecSrc = pBot->GetLocalOrigin() + Vector( 0, 0, 36 );
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vecEnd = vecSrc + forward * 10;
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UTIL_TraceHull( vecSrc, vecEnd, VEC_HULL_MIN, VEC_HULL_MAX,
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MASK_PLAYERSOLID, pBot, COLLISION_GROUP_NONE, &trace );
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if ( trace.fraction == 1.0 )
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{
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//if ( gpGlobals->curtime < botdata->nextturntime )
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//{
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break;
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//}
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}
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angle.y += angledelta;
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if ( angle.y > 180 )
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angle.y -= 360;
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else if ( angle.y < -180 )
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angle.y += 360;
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botdata->nextturntime = gpGlobals->curtime + 2.0;
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botdata->lastturntoright = random->RandomInt( 0, 1 ) == 0 ? true : false;
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botdata->forwardAngle = angle;
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botdata->lastAngles = angle;
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}
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/*
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if ( gpGlobals->curtime >= botdata->nextstrafetime )
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{
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botdata->nextstrafetime = gpGlobals->curtime + 1.0f;
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if ( random->RandomInt( 0, 5 ) == 0 )
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{
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botdata->sidemove = -600.0f + 1200.0f * random->RandomFloat( 0, 2 );
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}
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else
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{
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botdata->sidemove = 0;
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}
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sidemove = botdata->sidemove;
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if ( random->RandomInt( 0, 20 ) == 0 )
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{
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botdata->backwards = true;
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}
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else
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{
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botdata->backwards = false;
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}
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}
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*/
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pBot->SetLocalAngles( angle );
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vecViewAngles = angle;
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}
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// If bots are being forced to fire a weapon, see if I have it
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else if ( bot_forcefireweapon.GetString() )
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{
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CBaseCombatWeapon *pWeapon = pBot->Weapon_OwnsThisType( bot_forcefireweapon.GetString() );
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if ( pWeapon )
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{
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// Switch to it if we don't have it out
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CBaseCombatWeapon *pActiveWeapon = pBot->GetActiveWeapon();
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// Switch?
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if ( pActiveWeapon != pWeapon )
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{
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pBot->Weapon_Switch( pWeapon );
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}
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else
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{
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// Start firing
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// Some weapons require releases, so randomise firing
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if ( bot_forceattackon.GetBool() || (RandomFloat(0.0,1.0) > 0.5) )
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{
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buttons |= bot_forceattack2.GetBool() ? IN_ATTACK2 : IN_ATTACK;
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}
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}
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}
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}
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if ( bot_flipout.GetInt() )
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{
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if ( bot_forceattackon.GetBool() || (RandomFloat(0.0,1.0) > 0.5) )
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{
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buttons |= bot_forceattack2.GetBool() ? IN_ATTACK2 : IN_ATTACK;
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}
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}
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}
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else
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{
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// Wait for Reinforcement wave
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if ( !pBot->IsAlive() )
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{
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// Try hitting my buttons occasionally
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if ( random->RandomInt( 0, 100 ) > 80 )
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{
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// Respawn the bot
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if ( random->RandomInt( 0, 1 ) == 0 )
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{
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buttons |= IN_JUMP;
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}
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else
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{
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buttons = 0;
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}
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}
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}
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}
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if ( bot_flipout.GetInt() >= 2 )
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{
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QAngle angOffset = RandomAngle( -1, 1 );
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botdata->lastAngles += angOffset;
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for ( int i = 0 ; i < 2; i++ )
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{
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if ( fabs( botdata->lastAngles[ i ] - botdata->forwardAngle[ i ] ) > 15.0f )
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{
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if ( botdata->lastAngles[ i ] > botdata->forwardAngle[ i ] )
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{
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botdata->lastAngles[ i ] = botdata->forwardAngle[ i ] + 15;
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}
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else
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{
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botdata->lastAngles[ i ] = botdata->forwardAngle[ i ] - 15;
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}
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}
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}
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botdata->lastAngles[ 2 ] = 0;
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pBot->SetLocalAngles( botdata->lastAngles );
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}
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}
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// Fix up the m_fEffects flags
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pBot->PostClientMessagesSent();
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pBot->SetPunchAngle( QAngle( 0, 0, 0 ) );
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RunPlayerMove( pBot, pBot->GetLocalAngles(), forwardmove, sidemove, upmove, buttons, impulse, frametime );
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}
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// Handler for the "bot" command.
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CON_COMMAND_F( "bot_old", "Add a bot.", FCVAR_CHEAT )
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{
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// Disable the CS bots, otherwise they'll interfere with the bot code here.
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//extern bool g_bEnableCSBots;
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//g_bEnableCSBots = false;
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CCSPlayer *pPlayer = CCSPlayer::Instance( UTIL_GetCommandClientIndex() );
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// The bot command uses switches like command-line switches.
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// -count <count> tells how many bots to spawn.
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// -team <index> selects the bot's team. Default is -1 which chooses randomly.
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// Note: if you do -team !, then it
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// -class <index> selects the bot's class. Default is -1 which chooses randomly.
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// -frozen prevents the bots from running around when they spawn in.
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int count = args.FindArgInt( "-count", 1 );
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count = clamp( count, 1, 16 );
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int iTeam = -1;
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const char *pVal = args.FindArg( "-team" );
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if ( pVal )
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{
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if ( pVal[0] == '!' )
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{
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if ( pPlayer->GetTeamNumber() == TEAM_TERRORIST )
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iTeam = TEAM_CT;
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else
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iTeam = TEAM_TERRORIST;
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}
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else if ( pVal[0] == 't' || pVal[0] == 'T' )
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{
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iTeam = TEAM_TERRORIST;
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}
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else if ( pVal[0] == 'c' || pVal[0] == 'C' )
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{
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iTeam = TEAM_CT;
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}
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else
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{
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iTeam = atoi( pVal );
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if ( iTeam == 1 )
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iTeam = TEAM_TERRORIST;
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else
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iTeam = TEAM_CT;
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}
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}
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// Look at -frozen.
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bool bFrozen = !!args.FindArg( "-frozen" );
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// Ok, spawn all the bots.
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while ( --count >= 0 )
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{
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extern CBasePlayer *BotPutInServer( bool bFrozen, int iTeam );
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BotPutInServer( bFrozen, iTeam );
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}
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}
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// Handle the "PossessBot" command.
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void PossessBot_f( const CCommand &args )
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{
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CCSPlayer *pPlayer = CCSPlayer::Instance( UTIL_GetCommandClientIndex() );
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if ( !pPlayer )
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return;
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// Put the local player in control of this bot.
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if ( args.ArgC() != 2 )
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{
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Warning( "PossessBot <client index>\n" );
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return;
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}
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int iBotClient = atoi( args[1] );
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int iBotEnt = iBotClient + 1;
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if ( iBotClient < 0 ||
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iBotClient >= gpGlobals->maxClients ||
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pPlayer->entindex() == iBotEnt )
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{
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Warning( "PossessBot <client index>\n" );
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}
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else
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{
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edict_t *pPlayerData = pPlayer->edict();
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edict_t *pBotData = INDEXENT( iBotEnt );
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if ( pBotData && pBotData )
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{
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// SWAP EDICTS
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// Backup things we don't want to swap.
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edict_t oldPlayerData = *pPlayerData;
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edict_t oldBotData = *pBotData;
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// Swap edicts.
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edict_t tmp = *pPlayerData;
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*pPlayerData = *pBotData;
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*pBotData = tmp;
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// Restore things we didn't want to swap.
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//pPlayerData->m_EntitiesTouched = oldPlayerData.m_EntitiesTouched;
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//pBotData->m_EntitiesTouched = oldBotData.m_EntitiesTouched;
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CBaseEntity *pPlayerBaseEnt = CBaseEntity::Instance( pPlayerData );
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CBaseEntity *pBotBaseEnt = CBaseEntity::Instance( pBotData );
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// Make the other a bot and make the player not a bot.
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pPlayerBaseEnt->RemoveFlag( FL_FAKECLIENT );
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pBotBaseEnt->AddFlag( FL_FAKECLIENT );
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// Point the CBaseEntities at the right players.
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pPlayerBaseEnt->NetworkProp()->SetEdict( pPlayerData );
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pBotBaseEnt->NetworkProp()->SetEdict( pBotData );
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// Freeze the bot.
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pBotBaseEnt->AddEFlags( EFL_BOT_FROZEN );
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}
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}
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}
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ConCommand cc_PossessBot( "PossessBot", PossessBot_f, "Toggle. Possess a bot.\n\tArguments: <bot client number>", FCVAR_CHEAT );
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