cg_main.c

quakeIII源码这个不用我多说吧

/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.

This file is part of Quake III Arena source code.

Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.

Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/
//
// cg_main.c -- initialization and primary entry point for cgame
#include "cg_local.h"

#ifdef MISSIONPACK
#include "../ui/ui_shared.h"
// display context for new ui stuff
displayContextDef_t cgDC;
#endif

int forceModelModificationCount = -1;

void CG_Init( int serverMessageNum, int serverCommandSequence, int clientNum );
void CG_Shutdown( void );


/*
================
vmMain

This is the only way control passes into the module.
This must be the very first function compiled into the .q3vm file
================
*/
int vmMain( int command, int arg0, int arg1, int arg2, int arg3, int arg4, int arg5, int arg6, int arg7, int arg8, int arg9, int arg10, int arg11  ) {

	switch ( command ) {
	case CG_INIT:
		CG_Init( arg0, arg1, arg2 );
		return 0;
	case CG_SHUTDOWN:
		CG_Shutdown();
		return 0;
	case CG_CONSOLE_COMMAND:
		return CG_ConsoleCommand();
	case CG_DRAW_ACTIVE_FRAME:
		CG_DrawActiveFrame( arg0, arg1, arg2 );
		return 0;
	case CG_CROSSHAIR_PLAYER:
		return CG_CrosshairPlayer();
	case CG_LAST_ATTACKER:
		return CG_LastAttacker();
	case CG_KEY_EVENT:
		CG_KeyEvent(arg0, arg1);
		return 0;
	case CG_MOUSE_EVENT:
#ifdef MISSIONPACK
		cgDC.cursorx = cgs.cursorX;
		cgDC.cursory = cgs.cursorY;
#endif
		CG_MouseEvent(arg0, arg1);
		return 0;
	case CG_EVENT_HANDLING:
		CG_EventHandling(arg0);
		return 0;
	default:
		CG_Error( "vmMain: unknown command %i", command );
		break;
	}
	return -1;
}


cg_t				cg;
cgs_t				cgs;
centity_t			cg_entities[MAX_GENTITIES];
weaponInfo_t		cg_weapons[MAX_WEAPONS];
itemInfo_t			cg_items[MAX_ITEMS];


vmCvar_t	cg_railTrailTime;
vmCvar_t	cg_centertime;
vmCvar_t	cg_runpitch;
vmCvar_t	cg_runroll;
vmCvar_t	cg_bobup;
vmCvar_t	cg_bobpitch;
vmCvar_t	cg_bobroll;
vmCvar_t	cg_swingSpeed;
vmCvar_t	cg_shadows;
vmCvar_t	cg_gibs;
vmCvar_t	cg_drawTimer;
vmCvar_t	cg_drawFPS;
vmCvar_t	cg_drawSnapshot;
vmCvar_t	cg_draw3dIcons;
vmCvar_t	cg_drawIcons;
vmCvar_t	cg_drawAmmoWarning;
vmCvar_t	cg_drawCrosshair;
vmCvar_t	cg_drawCrosshairNames;
vmCvar_t	cg_drawRewards;
vmCvar_t	cg_crosshairSize;
vmCvar_t	cg_crosshairX;
vmCvar_t	cg_crosshairY;
vmCvar_t	cg_crosshairHealth;
vmCvar_t	cg_draw2D;
vmCvar_t	cg_drawStatus;
vmCvar_t	cg_animSpeed;
vmCvar_t	cg_debugAnim;
vmCvar_t	cg_debugPosition;
vmCvar_t	cg_debugEvents;
vmCvar_t	cg_errorDecay;
vmCvar_t	cg_nopredict;
vmCvar_t	cg_noPlayerAnims;
vmCvar_t	cg_showmiss;
vmCvar_t	cg_footsteps;
vmCvar_t	cg_addMarks;
vmCvar_t	cg_brassTime;
vmCvar_t	cg_viewsize;
vmCvar_t	cg_drawGun;
vmCvar_t	cg_gun_frame;
vmCvar_t	cg_gun_x;
vmCvar_t	cg_gun_y;
vmCvar_t	cg_gun_z;
vmCvar_t	cg_tracerChance;
vmCvar_t	cg_tracerWidth;
vmCvar_t	cg_tracerLength;
vmCvar_t	cg_autoswitch;
vmCvar_t	cg_ignore;
vmCvar_t	cg_simpleItems;
vmCvar_t	cg_fov;
vmCvar_t	cg_zoomFov;
vmCvar_t	cg_thirdPerson;
vmCvar_t	cg_thirdPersonRange;
vmCvar_t	cg_thirdPersonAngle;
vmCvar_t	cg_stereoSeparation;
vmCvar_t	cg_lagometer;
vmCvar_t	cg_drawAttacker;
vmCvar_t	cg_synchronousClients;
vmCvar_t 	cg_teamChatTime;
vmCvar_t 	cg_teamChatHeight;
vmCvar_t 	cg_stats;
vmCvar_t 	cg_buildScript;
vmCvar_t 	cg_forceModel;
vmCvar_t	cg_paused;
vmCvar_t	cg_blood;
vmCvar_t	cg_predictItems;
vmCvar_t	cg_deferPlayers;
vmCvar_t	cg_drawTeamOverlay;
vmCvar_t	cg_teamOverlayUserinfo;
vmCvar_t	cg_drawFriend;
vmCvar_t	cg_teamChatsOnly;
vmCvar_t	cg_noVoiceChats;
vmCvar_t	cg_noVoiceText;
vmCvar_t	cg_hudFiles;
vmCvar_t 	cg_scorePlum;
vmCvar_t 	cg_smoothClients;
vmCvar_t	pmove_fixed;
//vmCvar_t	cg_pmove_fixed;
vmCvar_t	pmove_msec;
vmCvar_t	cg_pmove_msec;
vmCvar_t	cg_cameraMode;
vmCvar_t	cg_cameraOrbit;
vmCvar_t	cg_cameraOrbitDelay;
vmCvar_t	cg_timescaleFadeEnd;
vmCvar_t	cg_timescaleFadeSpeed;
vmCvar_t	cg_timescale;
vmCvar_t	cg_smallFont;
vmCvar_t	cg_bigFont;
vmCvar_t	cg_noTaunt;
vmCvar_t	cg_noProjectileTrail;
vmCvar_t	cg_oldRail;
vmCvar_t	cg_oldRocket;
vmCvar_t	cg_oldPlasma;
vmCvar_t	cg_trueLightning;

#ifdef MISSIONPACK
vmCvar_t 	cg_redTeamName;
vmCvar_t 	cg_blueTeamName;
vmCvar_t	cg_currentSelectedPlayer;
vmCvar_t	cg_currentSelectedPlayerName;
vmCvar_t	cg_singlePlayer;
vmCvar_t	cg_enableDust;
vmCvar_t	cg_enableBreath;
vmCvar_t	cg_singlePlayerActive;
vmCvar_t	cg_recordSPDemo;
vmCvar_t	cg_recordSPDemoName;
vmCvar_t	cg_obeliskRespawnDelay;
#endif

typedef struct {
	vmCvar_t	*vmCvar;
	char		*cvarName;
	char		*defaultString;
	int			cvarFlags;
} cvarTable_t;

static cvarTable_t cvarTable[] = { // bk001129
	{ &cg_ignore, "cg_ignore", "0", 0 },	// used for debugging
	{ &cg_autoswitch, "cg_autoswitch", "1", CVAR_ARCHIVE },
	{ &cg_drawGun, "cg_drawGun", "1", CVAR_ARCHIVE },
	{ &cg_zoomFov, "cg_zoomfov", "22.5", CVAR_ARCHIVE },
	{ &cg_fov, "cg_fov", "90", CVAR_ARCHIVE },
	{ &cg_viewsize, "cg_viewsize", "100", CVAR_ARCHIVE },
	{ &cg_stereoSeparation, "cg_stereoSeparation", "0.4", CVAR_ARCHIVE  },
	{ &cg_shadows, "cg_shadows", "1", CVAR_ARCHIVE  },
	{ &cg_gibs, "cg_gibs", "1", CVAR_ARCHIVE  },
	{ &cg_draw2D, "cg_draw2D", "1", CVAR_ARCHIVE  },
	{ &cg_drawStatus, "cg_drawStatus", "1", CVAR_ARCHIVE  },
	{ &cg_drawTimer, "cg_drawTimer", "0", CVAR_ARCHIVE  },
	{ &cg_drawFPS, "cg_drawFPS", "0", CVAR_ARCHIVE  },
	{ &cg_drawSnapshot, "cg_drawSnapshot", "0", CVAR_ARCHIVE  },
	{ &cg_draw3dIcons, "cg_draw3dIcons", "1", CVAR_ARCHIVE  },
	{ &cg_drawIcons, "cg_drawIcons", "1", CVAR_ARCHIVE  },
	{ &cg_drawAmmoWarning, "cg_drawAmmoWarning", "1", CVAR_ARCHIVE  },
	{ &cg_drawAttacker, "cg_drawAttacker", "1", CVAR_ARCHIVE  },
	{ &cg_drawCrosshair, "cg_drawCrosshair", "4", CVAR_ARCHIVE },
	{ &cg_drawCrosshairNames, "cg_drawCrosshairNames", "1", CVAR_ARCHIVE },
	{ &cg_drawRewards, "cg_drawRewards", "1", CVAR_ARCHIVE },
	{ &cg_crosshairSize, "cg_crosshairSize", "24", CVAR_ARCHIVE },
	{ &cg_crosshairHealth, "cg_crosshairHealth", "1", CVAR_ARCHIVE },
	{ &cg_crosshairX, "cg_crosshairX", "0", CVAR_ARCHIVE },
	{ &cg_crosshairY, "cg_crosshairY", "0", CVAR_ARCHIVE },
	{ &cg_brassTime, "cg_brassTime", "2500", CVAR_ARCHIVE },
	{ &cg_simpleItems, "cg_simpleItems", "0", CVAR_ARCHIVE },
	{ &cg_addMarks, "cg_marks", "1", CVAR_ARCHIVE },
	{ &cg_lagometer, "cg_lagometer", "1", CVAR_ARCHIVE },
	{ &cg_railTrailTime, "cg_railTrailTime", "400", CVAR_ARCHIVE  },
	{ &cg_gun_x, "cg_gunX", "0", CVAR_CHEAT },
	{ &cg_gun_y, "cg_gunY", "0", CVAR_CHEAT },
	{ &cg_gun_z, "cg_gunZ", "0", CVAR_CHEAT },
	{ &cg_centertime, "cg_centertime", "3", CVAR_CHEAT },
	{ &cg_runpitch, "cg_runpitch", "0.002", CVAR_ARCHIVE},
	{ &cg_runroll, "cg_runroll", "0.005", CVAR_ARCHIVE },
	{ &cg_bobup , "cg_bobup", "0.005", CVAR_CHEAT },
	{ &cg_bobpitch, "cg_bobpitch", "0.002", CVAR_ARCHIVE },
	{ &cg_bobroll, "cg_bobroll", "0.002", CVAR_ARCHIVE },
	{ &cg_swingSpeed, "cg_swingSpeed", "0.3", CVAR_CHEAT },
	{ &cg_animSpeed, "cg_animspeed", "1", CVAR_CHEAT },
	{ &cg_debugAnim, "cg_debuganim", "0", CVAR_CHEAT },
	{ &cg_debugPosition, "cg_debugposition", "0", CVAR_CHEAT },
	{ &cg_debugEvents, "cg_debugevents", "0", CVAR_CHEAT },
	{ &cg_errorDecay, "cg_errordecay", "100", 0 },
	{ &cg_nopredict, "cg_nopredict", "0", 0 },
	{ &cg_noPlayerAnims, "cg_noplayeranims", "0", CVAR_CHEAT },
	{ &cg_showmiss, "cg_showmiss", "0", 0 },
	{ &cg_footsteps, "cg_footsteps", "1", CVAR_CHEAT },
	{ &cg_tracerChance, "cg_tracerchance", "0.4", CVAR_CHEAT },
	{ &cg_tracerWidth, "cg_tracerwidth", "1", CVAR_CHEAT },
	{ &cg_tracerLength, "cg_tracerlength", "100", CVAR_CHEAT },
	{ &cg_thirdPersonRange, "cg_thirdPersonRange", "40", CVAR_CHEAT },
	{ &cg_thirdPersonAngle, "cg_thirdPersonAngle", "0", CVAR_CHEAT },
	{ &cg_thirdPerson, "cg_thirdPerson", "0", 0 },
	{ &cg_teamChatTime, "cg_teamChatTime", "3000", CVAR_ARCHIVE  },
	{ &cg_teamChatHeight, "cg_teamChatHeight", "0", CVAR_ARCHIVE  },
	{ &cg_forceModel, "cg_forceModel", "0", CVAR_ARCHIVE  },
	{ &cg_predictItems, "cg_predictItems", "1", CVAR_ARCHIVE },
#ifdef MISSIONPACK
	{ &cg_deferPlayers, "cg_deferPlayers", "0", CVAR_ARCHIVE },
#else
	{ &cg_deferPlayers, "cg_deferPlayers", "1", CVAR_ARCHIVE },
#endif
	{ &cg_drawTeamOverlay, "cg_drawTeamOverlay", "0", CVAR_ARCHIVE },
	{ &cg_teamOverlayUserinfo, "teamoverlay", "0", CVAR_ROM | CVAR_USERINFO },
	{ &cg_stats, "cg_stats", "0", 0 },
	{ &cg_drawFriend, "cg_drawFriend", "1", CVAR_ARCHIVE },
	{ &cg_teamChatsOnly, "cg_teamChatsOnly", "0", CVAR_ARCHIVE },
	{ &cg_noVoiceChats, "cg_noVoiceChats", "0", CVAR_ARCHIVE },
	{ &cg_noVoiceText, "cg_noVoiceText", "0", CVAR_ARCHIVE },
	// the following variables are created in other parts of the system,
	// but we also reference them here
	{ &cg_buildScript, "com_buildScript", "0", 0 },	// force loading of all possible data amd error on failures
	{ &cg_paused, "cl_paused", "0", CVAR_ROM },
	{ &cg_blood, "com_blood", "1", CVAR_ARCHIVE },
	{ &cg_synchronousClients, "g_synchronousClients", "0", 0 },	// communicated by systeminfo
#ifdef MISSIONPACK
	{ &cg_redTeamName, "g_redteam", DEFAULT_REDTEAM_NAME, CVAR_ARCHIVE | CVAR_SERVERINFO | CVAR_USERINFO },
	{ &cg_blueTeamName, "g_blueteam", DEFAULT_BLUETEAM_NAME, CVAR_ARCHIVE | CVAR_SERVERINFO | CVAR_USERINFO },
	{ &cg_currentSelectedPlayer, "cg_currentSelectedPlayer", "0", CVAR_ARCHIVE},
	{ &cg_currentSelectedPlayerName, "cg_currentSelectedPlayerName", "", CVAR_ARCHIVE},
	{ &cg_singlePlayer, "ui_singlePlayerActive", "0", CVAR_USERINFO},
	{ &cg_enableDust, "g_enableDust", "0", CVAR_SERVERINFO},
	{ &cg_enableBreath, "g_enableBreath", "0", CVAR_SERVERINFO},
	{ &cg_singlePlayerActive, "ui_singlePlayerActive", "0", CVAR_USERINFO},
	{ &cg_recordSPDemo, "ui_recordSPDemo", "0", CVAR_ARCHIVE},
	{ &cg_recordSPDemoName, "ui_recordSPDemoName", "", CVAR_ARCHIVE},
	{ &cg_obeliskRespawnDelay, "g_obeliskRespawnDelay", "10", CVAR_SERVERINFO},
	{ &cg_hudFiles, "cg_hudFiles", "ui/hud.txt", CVAR_ARCHIVE},
#endif
	{ &cg_cameraOrbit, "cg_cameraOrbit", "0", CVAR_CHEAT},
	{ &cg_cameraOrbitDelay, "cg_cameraOrbitDelay", "50", CVAR_ARCHIVE},
	{ &cg_timescaleFadeEnd, "cg_timescaleFadeEnd", "1", 0},
	{ &cg_timescaleFadeSpeed, "cg_timescaleFadeSpeed", "0", 0},
	{ &cg_timescale, "timescale", "1", 0},
	{ &cg_scorePlum, "cg_scorePlums", "1", CVAR_USERINFO | CVAR_ARCHIVE},
	{ &cg_smoothClients, "cg_smoothClients", "0", CVAR_USERINFO | CVAR_ARCHIVE},
	{ &cg_cameraMode, "com_cameraMode", "0", CVAR_CHEAT},

	{ &pmove_fixed, "pmove_fixed", "0", 0},
	{ &pmove_msec, "pmove_msec", "8", 0},
	{ &cg_noTaunt, "cg_noTaunt", "0", CVAR_ARCHIVE},
	{ &cg_noProjectileTrail, "cg_noProjectileTrail", "0", CVAR_ARCHIVE},
	{ &cg_smallFont, "ui_smallFont", "0.25", CVAR_ARCHIVE},
	{ &cg_bigFont, "ui_bigFont", "0.4", CVAR_ARCHIVE},
	{ &cg_oldRail, "cg_oldRail", "1", CVAR_ARCHIVE},
	{ &cg_oldRocket, "cg_oldRocket", "1", CVAR_ARCHIVE},
	{ &cg_oldPlasma, "cg_oldPlasma", "1", CVAR_ARCHIVE},
	{ &cg_trueLightning, "cg_trueLightning", "0.0", CVAR_ARCHIVE}
//	{ &cg_pmove_fixed, "cg_pmove_fixed", "0", CVAR_USERINFO | CVAR_ARCHIVE }
};

static int  cvarTableSize = sizeof( cvarTable ) / sizeof( cvarTable[0] );

/*
=================
CG_RegisterCvars
=================
*/
void CG_RegisterCvars( void ) {
	int			i;
	cvarTable_t	*cv;
	char		var[MAX_TOKEN_CHARS];

	for ( i = 0, cv = cvarTable ; i < cvarTableSize ; i++, cv++ ) {
		trap_Cvar_Register( cv->vmCvar, cv->cvarName,
			cv->defaultString, cv->cvarFlags );
	}

	// see if we are also running the server on this machine
	trap_Cvar_VariableStringBuffer( "sv_running", var, sizeof( var ) );
	cgs.localServer = atoi( var );

	forceModelModificationCount = cg_forceModel.modificationCount;

	trap_Cvar_Register(NULL, "model", DEFAULT_MODEL, CVAR_USERINFO | CVAR_ARCHIVE );
	trap_Cvar_Register(NULL, "headmodel", DEFAULT_MODEL, CVAR_USERINFO | CVAR_ARCHIVE );
	trap_Cvar_Register(NULL, "team_model", DEFAULT_TEAM_MODEL, CVAR_USERINFO | CVAR_ARCHIVE );
	trap_Cvar_Register(NULL, "team_headmodel", DEFAULT_TEAM_HEAD, CVAR_USERINFO | CVAR_ARCHIVE );
}

/*																																			
===================
CG_ForceModelChange
===================
*/
static void CG_ForceModelChange( void ) {
	int		i;

	for (i=0 ; i<MAX_CLIENTS ; i++) {
		const char		*clientInfo;

		clientInfo = CG_ConfigString( CS_PLAYERS+i );
		if ( !clientInfo[0] ) {
			continue;
		}
		CG_NewClientInfo( i );
	}
}