cl_main.c

quakeIII源码这个不用我多说吧

	} else if ( print_level == PRINT_WARNING ) {
		Com_Printf (S_COLOR_YELLOW "%s", msg);		// yellow
	} else if ( print_level == PRINT_DEVELOPER ) {
		Com_DPrintf (S_COLOR_RED "%s", msg);		// red
	}
}



/*
============
CL_ShutdownRef
============
*/
void CL_ShutdownRef( void ) {
	if ( !re.Shutdown ) {
		return;
	}
	re.Shutdown( qtrue );
	Com_Memset( &re, 0, sizeof( re ) );
}

/*
============
CL_InitRenderer
============
*/
void CL_InitRenderer( void ) {
	// this sets up the renderer and calls R_Init
	re.BeginRegistration( &cls.glconfig );

	// load character sets
	cls.charSetShader = re.RegisterShader( "gfx/2d/bigchars" );
	cls.whiteShader = re.RegisterShader( "white" );
	cls.consoleShader = re.RegisterShader( "console" );
	g_console_field_width = cls.glconfig.vidWidth / SMALLCHAR_WIDTH - 2;
	g_consoleField.widthInChars = g_console_field_width;
}

/*
============================
CL_StartHunkUsers

After the server has cleared the hunk, these will need to be restarted
This is the only place that any of these functions are called from
============================
*/
void CL_StartHunkUsers( void ) {
	if (!com_cl_running) {
		return;
	}

	if ( !com_cl_running->integer ) {
		return;
	}

	if ( !cls.rendererStarted ) {
		cls.rendererStarted = qtrue;
		CL_InitRenderer();
	}

	if ( !cls.soundStarted ) {
		cls.soundStarted = qtrue;
		S_Init();
	}

	if ( !cls.soundRegistered ) {
		cls.soundRegistered = qtrue;
		S_BeginRegistration();
	}

	if ( !cls.uiStarted ) {
		cls.uiStarted = qtrue;
		CL_InitUI();
	}
}

/*
============
CL_RefMalloc
============
*/
void *CL_RefMalloc( int size ) {
	return Z_TagMalloc( size, TAG_RENDERER );
}

int CL_ScaledMilliseconds(void) {
	return Sys_Milliseconds()*com_timescale->value;
}

/*
============
CL_InitRef
============
*/
void CL_InitRef( void ) {
	refimport_t	ri;
	refexport_t	*ret;

	Com_Printf( "----- Initializing Renderer ----\n" );

	ri.Cmd_AddCommand = Cmd_AddCommand;
	ri.Cmd_RemoveCommand = Cmd_RemoveCommand;
	ri.Cmd_Argc = Cmd_Argc;
	ri.Cmd_Argv = Cmd_Argv;
	ri.Cmd_ExecuteText = Cbuf_ExecuteText;
	ri.Printf = CL_RefPrintf;
	ri.Error = Com_Error;
	ri.Milliseconds = CL_ScaledMilliseconds;
	ri.Malloc = CL_RefMalloc;
	ri.Free = Z_Free;
#ifdef HUNK_DEBUG
	ri.Hunk_AllocDebug = Hunk_AllocDebug;
#else
	ri.Hunk_Alloc = Hunk_Alloc;
#endif
	ri.Hunk_AllocateTempMemory = Hunk_AllocateTempMemory;
	ri.Hunk_FreeTempMemory = Hunk_FreeTempMemory;
	ri.CM_DrawDebugSurface = CM_DrawDebugSurface;
	ri.FS_ReadFile = FS_ReadFile;
	ri.FS_FreeFile = FS_FreeFile;
	ri.FS_WriteFile = FS_WriteFile;
	ri.FS_FreeFileList = FS_FreeFileList;
	ri.FS_ListFiles = FS_ListFiles;
	ri.FS_FileIsInPAK = FS_FileIsInPAK;
	ri.FS_FileExists = FS_FileExists;
	ri.Cvar_Get = Cvar_Get;
	ri.Cvar_Set = Cvar_Set;

	// cinematic stuff

	ri.CIN_UploadCinematic = CIN_UploadCinematic;
	ri.CIN_PlayCinematic = CIN_PlayCinematic;
	ri.CIN_RunCinematic = CIN_RunCinematic;

	ret = GetRefAPI( REF_API_VERSION, &ri );

#if defined __USEA3D && defined __A3D_GEOM
	hA3Dg_ExportRenderGeom (ret);
#endif

	Com_Printf( "-------------------------------\n");

	if ( !ret ) {
		Com_Error (ERR_FATAL, "Couldn't initialize refresh" );
	}

	re = *ret;

	// unpause so the cgame definately gets a snapshot and renders a frame
	Cvar_Set( "cl_paused", "0" );
}


//===========================================================================================


void CL_SetModel_f( void ) {
	char	*arg;
	char	name[256];

	arg = Cmd_Argv( 1 );
	if (arg[0]) {
		Cvar_Set( "model", arg );
		Cvar_Set( "headmodel", arg );
	} else {
		Cvar_VariableStringBuffer( "model", name, sizeof(name) );
		Com_Printf("model is set to %s\n", name);
	}
}

/*
====================
CL_Init
====================
*/
void CL_Init( void ) {
	Com_Printf( "----- Client Initialization -----\n" );

	Con_Init ();	

	CL_ClearState ();

	cls.state = CA_DISCONNECTED;	// no longer CA_UNINITIALIZED

	cls.realtime = 0;

	CL_InitInput ();

	//
	// register our variables
	//
	cl_noprint = Cvar_Get( "cl_noprint", "0", 0 );
	cl_motd = Cvar_Get ("cl_motd", "1", 0);

	cl_timeout = Cvar_Get ("cl_timeout", "200", 0);

	cl_timeNudge = Cvar_Get ("cl_timeNudge", "0", CVAR_TEMP );
	cl_shownet = Cvar_Get ("cl_shownet", "0", CVAR_TEMP );
	cl_showSend = Cvar_Get ("cl_showSend", "0", CVAR_TEMP );
	cl_showTimeDelta = Cvar_Get ("cl_showTimeDelta", "0", CVAR_TEMP );
	cl_freezeDemo = Cvar_Get ("cl_freezeDemo", "0", CVAR_TEMP );
	rcon_client_password = Cvar_Get ("rconPassword", "", CVAR_TEMP );
	cl_activeAction = Cvar_Get( "activeAction", "", CVAR_TEMP );

	cl_timedemo = Cvar_Get ("timedemo", "0", 0);
	cl_avidemo = Cvar_Get ("cl_avidemo", "0", 0);
	cl_forceavidemo = Cvar_Get ("cl_forceavidemo", "0", 0);

	rconAddress = Cvar_Get ("rconAddress", "", 0);

	cl_yawspeed = Cvar_Get ("cl_yawspeed", "140", CVAR_ARCHIVE);
	cl_pitchspeed = Cvar_Get ("cl_pitchspeed", "140", CVAR_ARCHIVE);
	cl_anglespeedkey = Cvar_Get ("cl_anglespeedkey", "1.5", 0);

	cl_maxpackets = Cvar_Get ("cl_maxpackets", "30", CVAR_ARCHIVE );
	cl_packetdup = Cvar_Get ("cl_packetdup", "1", CVAR_ARCHIVE );

	cl_run = Cvar_Get ("cl_run", "1", CVAR_ARCHIVE);
	cl_sensitivity = Cvar_Get ("sensitivity", "5", CVAR_ARCHIVE);
	cl_mouseAccel = Cvar_Get ("cl_mouseAccel", "0", CVAR_ARCHIVE);
	cl_freelook = Cvar_Get( "cl_freelook", "1", CVAR_ARCHIVE );

	cl_showMouseRate = Cvar_Get ("cl_showmouserate", "0", 0);

	cl_allowDownload = Cvar_Get ("cl_allowDownload", "0", CVAR_ARCHIVE);

	cl_conXOffset = Cvar_Get ("cl_conXOffset", "0", 0);
#ifdef MACOS_X
        // In game video is REALLY slow in Mac OS X right now due to driver slowness
	cl_inGameVideo = Cvar_Get ("r_inGameVideo", "0", CVAR_ARCHIVE);
#else
	cl_inGameVideo = Cvar_Get ("r_inGameVideo", "1", CVAR_ARCHIVE);
#endif

	cl_serverStatusResendTime = Cvar_Get ("cl_serverStatusResendTime", "750", 0);

	// init autoswitch so the ui will have it correctly even
	// if the cgame hasn't been started
	Cvar_Get ("cg_autoswitch", "1", CVAR_ARCHIVE);

	m_pitch = Cvar_Get ("m_pitch", "0.022", CVAR_ARCHIVE);
	m_yaw = Cvar_Get ("m_yaw", "0.022", CVAR_ARCHIVE);
	m_forward = Cvar_Get ("m_forward", "0.25", CVAR_ARCHIVE);
	m_side = Cvar_Get ("m_side", "0.25", CVAR_ARCHIVE);
#ifdef MACOS_X
        // Input is jittery on OS X w/o this
	m_filter = Cvar_Get ("m_filter", "1", CVAR_ARCHIVE);
#else
	m_filter = Cvar_Get ("m_filter", "0", CVAR_ARCHIVE);
#endif

	cl_motdString = Cvar_Get( "cl_motdString", "", CVAR_ROM );

	Cvar_Get( "cl_maxPing", "800", CVAR_ARCHIVE );


	// userinfo
	Cvar_Get ("name", "UnnamedPlayer", CVAR_USERINFO | CVAR_ARCHIVE );
	Cvar_Get ("rate", "3000", CVAR_USERINFO | CVAR_ARCHIVE );
	Cvar_Get ("snaps", "20", CVAR_USERINFO | CVAR_ARCHIVE );
	Cvar_Get ("model", "sarge", CVAR_USERINFO | CVAR_ARCHIVE );
	Cvar_Get ("headmodel", "sarge", CVAR_USERINFO | CVAR_ARCHIVE );
	Cvar_Get ("team_model", "james", CVAR_USERINFO | CVAR_ARCHIVE );
	Cvar_Get ("team_headmodel", "*james", CVAR_USERINFO | CVAR_ARCHIVE );
	Cvar_Get ("g_redTeam", "Stroggs", CVAR_SERVERINFO | CVAR_ARCHIVE);
	Cvar_Get ("g_blueTeam", "Pagans", CVAR_SERVERINFO | CVAR_ARCHIVE);
	Cvar_Get ("color1",  "4", CVAR_USERINFO | CVAR_ARCHIVE );
	Cvar_Get ("color2", "5", CVAR_USERINFO | CVAR_ARCHIVE );
	Cvar_Get ("handicap", "100", CVAR_USERINFO | CVAR_ARCHIVE );
	Cvar_Get ("teamtask", "0", CVAR_USERINFO );
	Cvar_Get ("sex", "male", CVAR_USERINFO | CVAR_ARCHIVE );
	Cvar_Get ("cl_anonymous", "0", CVAR_USERINFO | CVAR_ARCHIVE );

	Cvar_Get ("password", "", CVAR_USERINFO);
	Cvar_Get ("cg_predictItems", "1", CVAR_USERINFO | CVAR_ARCHIVE );


	// cgame might not be initialized before menu is used
	Cvar_Get ("cg_viewsize", "100", CVAR_ARCHIVE );

	//
	// register our commands
	//
	Cmd_AddCommand ("cmd", CL_ForwardToServer_f);
	Cmd_AddCommand ("configstrings", CL_Configstrings_f);
	Cmd_AddCommand ("clientinfo", CL_Clientinfo_f);
	Cmd_AddCommand ("snd_restart", CL_Snd_Restart_f);
	Cmd_AddCommand ("vid_restart", CL_Vid_Restart_f);
	Cmd_AddCommand ("disconnect", CL_Disconnect_f);
	Cmd_AddCommand ("record", CL_Record_f);
	Cmd_AddCommand ("demo", CL_PlayDemo_f);
	Cmd_AddCommand ("cinematic", CL_PlayCinematic_f);
	Cmd_AddCommand ("stoprecord", CL_StopRecord_f);
	Cmd_AddCommand ("connect", CL_Connect_f);
	Cmd_AddCommand ("reconnect", CL_Reconnect_f);
	Cmd_AddCommand ("localservers", CL_LocalServers_f);
	Cmd_AddCommand ("globalservers", CL_GlobalServers_f);
	Cmd_AddCommand ("rcon", CL_Rcon_f);
	Cmd_AddCommand ("setenv", CL_Setenv_f );
	Cmd_AddCommand ("ping", CL_Ping_f );
	Cmd_AddCommand ("serverstatus", CL_ServerStatus_f );
	Cmd_AddCommand ("showip", CL_ShowIP_f );
	Cmd_AddCommand ("fs_openedList", CL_OpenedPK3List_f );
	Cmd_AddCommand ("fs_referencedList", CL_ReferencedPK3List_f );
	Cmd_AddCommand ("model", CL_SetModel_f );
	CL_InitRef();

	SCR_Init ();

	Cbuf_Execute ();

	Cvar_Set( "cl_running", "1" );

	Com_Printf( "----- Client Initialization Complete -----\n" );
}


/*
===============
CL_Shutdown

===============
*/
void CL_Shutdown( void ) {
	static qboolean recursive = qfalse;
	
	Com_Printf( "----- CL_Shutdown -----\n" );

	if ( recursive ) {
		printf ("recursive shutdown\n");
		return;
	}
	recursive = qtrue;

	CL_Disconnect( qtrue );

	S_Shutdown();
	CL_ShutdownRef();
	
	CL_ShutdownUI();

	Cmd_RemoveCommand ("cmd");
	Cmd_RemoveCommand ("configstrings");
	Cmd_RemoveCommand ("userinfo");
	Cmd_RemoveCommand ("snd_restart");
	Cmd_RemoveCommand ("vid_restart");
	Cmd_RemoveCommand ("disconnect");
	Cmd_RemoveCommand ("record");
	Cmd_RemoveCommand ("demo");
	Cmd_RemoveCommand ("cinematic");
	Cmd_RemoveCommand ("stoprecord");
	Cmd_RemoveCommand ("connect");
	Cmd_RemoveCommand ("localservers");
	Cmd_RemoveCommand ("globalservers");
	Cmd_RemoveCommand ("rcon");
	Cmd_RemoveCommand ("setenv");
	Cmd_RemoveCommand ("ping");
	Cmd_RemoveCommand ("serverstatus");
	Cmd_RemoveCommand ("showip");
	Cmd_RemoveCommand ("model");

	Cvar_Set( "cl_running", "0" );

	recursive = qfalse;

	Com_Memset( &cls, 0, sizeof( cls ) );

	Com_Printf( "-----------------------\n" );

}

static void CL_SetServerInfo(serverInfo_t *server, const char *info, int ping) {
	if (server) {
		if (info) {
			server->clients = atoi(Info_ValueForKey(info, "clients"));
			Q_strncpyz(server->hostName,Info_ValueForKey(info, "hostname"), MAX_NAME_LENGTH);
			Q_strncpyz(server->mapName, Info_ValueForKey(info, "mapname"), MAX_NAME_LENGTH);
			server->maxClients = atoi(Info_ValueForKey(info, "sv_maxclients"));
			Q_strncpyz(server->game,Info_ValueForKey(info, "game"), MAX_NAME_LENGTH);
			server->gameType = atoi(Info_ValueForKey(info, "gametype"));
			server->netType = atoi(Info_ValueForKey(info, "nettype"));
			server->minPing = atoi(Info_ValueForKey(info, "minping"));
			server->maxPing = atoi(Info_ValueForKey(info, "maxping"));
			server->punkbuster = atoi(Info_ValueForKey(info, "punkbuster"));
		}
		server->ping = ping;
	}
}

static void CL_SetServerInfoByAddress(netadr_t from, const char *info, int ping) {
	int i;

	for (i = 0; i < MAX_OTHER_SERVERS; i++) {
		if (NET_CompareAdr(from, cls.localServers[i].adr)) {
			CL_SetServerInfo(&cls.localServers[i], info, ping);
		}
	}

	for (i = 0; i < MAX_OTHER_SERVERS; i++) {
		if (NET_CompareAdr(from, cls.mplayerServers[i].adr)) {
			CL_SetServerInfo(&cls.mplayerServers[i], info, ping);
		}
	}

	for (i = 0; i < MAX_GLOBAL_SERVERS; i++) {
		if (NET_CompareAdr(from, cls.globalServers[i].adr)) {
			CL_SetServerInfo(&cls.globalServers[i], info, ping);
		}
	}

	for (i = 0; i < MAX_OTHER_SERVERS; i++) {
		if (NET_CompareAdr(from, cls.favoriteServers[i].adr)) {
			CL_SetServerInfo(&cls.favoriteServers[i], info, ping);
		}
	}

}

/*
===================
CL_ServerInfoPacket
===================
*/
void CL_ServerInfoPacket( netadr_t from, msg_t *msg ) {
	int		i, type;
	char	info[MAX_INFO_STRING];
	char*	str;
	char	*infoString;
	int		prot;

	infoString = MSG_ReadString( msg );

	// if this isn't the correct protocol version, ignore it
	prot = atoi( Info_ValueForKey( infoString, "protocol" ) );
	if ( prot != PROTOCOL_VERSION ) {
		Com_DPrintf( "Different protocol info packet: %s\n", infoString );
		return;
	}

	// iterate servers waiting for ping response
	for (i=0; i<MAX_PINGREQUESTS; i++)
	{
		if ( cl_pinglist[i].adr.port && !cl_pinglist[i].time && NET_CompareAdr( from, cl_pinglist[i].adr ) )
		{
			// calc ping time
			cl_pinglist[i].time = cls.realtime - cl_pinglist[i].start + 1;
			Com_DPrintf( "ping time %dms from %s\n", cl_pinglist[i].time, NET_AdrToString( from ) );

			// save of info
			Q_strncpyz( cl_pinglist[i].info, infoString, sizeof( cl_pinglist[i].info ) );

			// tack on the net type
			// NOTE: make sure these types are in sync with the netnames strings in the UI
			switch (from.type)
			{
				case NA_BROADCAST:
				case NA_IP:
					str = "udp";
					type = 1;
					break;

				case NA_IPX:
				case NA_BROADCAST_IPX:
					str = "ipx";
					type = 2;
					break;

				default:
					str = "???";
					type = 0;
					break;
			}
			Info_SetValueForKey( cl_pinglist[i].info, "nettype", va("%d", type) );
			CL_SetServerInfoByAddress(from, infoString, cl_pinglist[i].time);

			return;
		}
	}

	// if not just sent a local broadcast or pinging local servers
	if (cls.pingUpdateSource != AS_LOCAL) {
		return;
	}

	for ( i = 0 ; i < MAX_OTHER_SERVERS ; i++ ) {
		// empty slot
		if ( cls.localServers[i].adr.port == 0 ) {
			break;
		}

		// avoid duplicate
		if ( NET_CompareAdr( from, cls.localServers[i].adr ) ) {
			return;
		}
	}

	if ( i == MAX_OTHER_SERVERS ) {
		Com_DPrintf( "MAX_OTHER_SERVERS hit, dropping infoResponse\n" );
		return;
	}

	// add this to the list
	cls.numlocalservers = i+1;
	cls.localServers[i].adr = from;
	cls.localServers[i].clients = 0;
	cls.localServers[i].hostName[0] = '\0';
	cls.localServers[i].mapName[0] = '\0';
	cls.localServers[i].maxClients = 0;
	cls.localServers[i].maxPing = 0;
	cls.localServers[i].minPing = 0;
	cls.localServers[i].ping = -1;
	cls.localServers[i].game[0] = '\0';
	cls.localServers[i].gameType = 0;
	cls.localServers[i].netType = from.type;
	cls.localServers[i].punkbuster = 0;
									 
	Q_strncpyz( info, MSG_ReadString( msg ), MAX_INFO_STRING );
	if (strlen(info