Add com_standalone cvar for at-runtime handling of mods that do not require the original quake3 game data.

code/qcommon/common.c

@@ -82,6 +82,7 @@ cvar_t	*com_cameraMode;
 cvar_t	*com_ansiColor;
 cvar_t	*com_unfocused;
 cvar_t	*com_minimized;
+cvar_t	*com_standalone;
 
 // com_speeds times
 int		time_game;
@@ -2351,6 +2352,8 @@ static void Com_Crash_f( void ) {
 	* ( int * ) 0 = 0x12345678;
 }
 
+#ifndef STANDALONE
+
 // TTimo: centralizing the cl_cdkey stuff after I discovered a buffer overflow problem with the dedicated server version
 //   not sure it's necessary to have different defaults for regular and dedicated, but I don't want to risk it
 //   https://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=470
@@ -2469,6 +2472,7 @@ out:
 }
 #endif
 
+#endif // STANDALONE
 
 static void Com_DetectAltivec(void)
 {
@@ -2591,6 +2595,7 @@ void Com_Init( char *commandLine ) {
 
 	com_unfocused = Cvar_Get( "com_unfocused", "0", CVAR_ROM );
 	com_minimized = Cvar_Get( "com_minimized", "0", CVAR_ROM );
+	com_standalone = Cvar_Get( "com_standalone", "0", CVAR_INIT );
 
 	com_introPlayed = Cvar_Get( "com_introplayed", "0", CVAR_ARCHIVE);
 
@@ -2697,12 +2702,17 @@ void Com_WriteConfiguration( void ) {
 	// not needed for dedicated
 #ifndef DEDICATED
 	fs = Cvar_Get ("fs_game", "", CVAR_INIT|CVAR_SYSTEMINFO );
-	if (UI_usesUniqueCDKey() && fs && fs->string[0] != 0) {
-		Com_WriteCDKey( fs->string, &cl_cdkey[16] );
-	} else {
-		Com_WriteCDKey( BASEGAME, cl_cdkey );
+#ifndef STANDALONE
+	if(!Cvar_VariableIntegerValue("com_standalone"))
+	{
+		if (UI_usesUniqueCDKey() && fs && fs->string[0] != 0) {
+			Com_WriteCDKey( fs->string, &cl_cdkey[16] );
+		} else {
+			Com_WriteCDKey( BASEGAME, cl_cdkey );
+		}
 	}
 #endif
+#endif
 }
 
 

code/qcommon/files.c

@@ -2661,8 +2661,10 @@ void FS_Shutdown( qboolean closemfp ) {
 #endif
 }
 
+#ifndef STANDALONE
 void Com_AppendCDKey( const char *filename );
 void Com_ReadCDKey( const char *filename );
+#endif
 
 /*
 ================
@@ -2712,7 +2714,6 @@ FS_Startup
 static void FS_Startup( const char *gameName )
 {
 	const char *homePath;
-	cvar_t	*fs;
 
 	Com_Printf( "----- FS_Startup -----\n" );
 
@@ -2764,11 +2765,18 @@ static void FS_Startup( const char *gameName )
 		}
 	}
 
-	Com_ReadCDKey(BASEGAME);
-	fs = Cvar_Get ("fs_game", "", CVAR_INIT|CVAR_SYSTEMINFO );
-	if (fs && fs->string[0] != 0) {
-		Com_AppendCDKey( fs->string );
+#ifndef STANDALONE
+	if(!Cvar_VariableIntegerValue("com_standalone"))
+	{
+		cvar_t	*fs;
+
+		Com_ReadCDKey(BASEGAME);
+		fs = Cvar_Get ("fs_game", "", CVAR_INIT|CVAR_SYSTEMINFO );
+		if (fs && fs->string[0] != 0) {
+			Com_AppendCDKey( fs->string );
+		}
 	}
+#endif
 
 	// add our commands
 	Cmd_AddCommand ("path", FS_Path_f);
@@ -2865,7 +2873,12 @@ static void FS_CheckPak0( void )
 		}
 	}
 
-	if(!founddemo && (foundPak & 0x1ff) != 0x1ff )
+	if( (!Cvar_VariableIntegerValue("com_standalone")	||
+	     !fs_gamedirvar->string[0]				||
+	     !Q_stricmp(fs_gamedirvar->string, BASEGAME)	||
+	     !Q_stricmp(fs_gamedirvar->string, "missionpack") )
+	     &&
+	     (!founddemo && (foundPak & 0x1ff) != 0x1ff) )
 	{
 		if((foundPak&1) != 1 )
 		{
@@ -2886,11 +2899,11 @@ static void FS_CheckPak0( void )
 			"the correct place and that every file\n"
 			"in the %s directory is present and readable.\n", BASEGAME);
 
-		if(!fs_gamedirvar->string[0]
-		|| !Q_stricmp( fs_gamedirvar->string, BASEGAME )
-		|| !Q_stricmp( fs_gamedirvar->string, "missionpack" ))
-			Com_Error(ERR_FATAL, "You need to install Quake III Arena in order to play");
+		Com_Error(ERR_FATAL, "You need to install Quake III Arena in order to play");
 	}
+	
+	if(foundPak & 1)
+		Cvar_Set("com_standalone", "0");
 }
 #endif
 

code/qcommon/net_ip.c

@@ -921,7 +921,7 @@ void NET_SetMulticast6(void)
 		Com_Printf("WARNING: NET_JoinMulticast6: Incorrect multicast address given, "
 			   "please set cvar %s to a sane value.\n", net_mcast6addr->name);
 		
-		Cvar_Set(net_enabled->name, va("%d", net_enabled->integer | NET_DISABLEMCAST));
+		Cvar_SetValue(net_enabled->name, net_enabled->integer | NET_DISABLEMCAST);
 		
 		return;
 	}

code/qcommon/qcommon.h

@@ -681,6 +681,7 @@ void FS_HomeRemove( const char *homePath );
 
 void	FS_FilenameCompletion( const char *dir, const char *ext,
 		qboolean stripExt, void(*callback)(const char *s) );
+
 /*
 ==============================================================