- Add unset command for cvars created by the user

- Fix crash bug when maximum number of cvars has been reached
- Fix cvar_restart
- Add possibility to cleanly switch mods ingame (#2819)

code/client/cl_main.c

@@ -1030,6 +1030,18 @@ void CL_NextDemo( void ) {
 
 //======================================================================
 
+/*
+=====================
+CL_ShutdownVMs
+=====================
+*/
+
+void CL_ShutdownVMs(void)
+{
+	CL_ShutdownCGame();
+	CL_ShutdownUI();
+}
+
 /*
 =====================
 CL_ShutdownAll
@@ -1251,6 +1263,9 @@ void CL_Disconnect( qboolean showMainMenu ) {
 		CL_WritePacket();
 	}
 	
+	// Remove pure paks
+	FS_PureServerSetLoadedPaks("", "");
+	
 	CL_ClearState ();
 
 	// wipe the client connection
@@ -1733,6 +1748,19 @@ void CL_Vid_Restart_f( void ) {
 	}
 }
 
+/*
+=================
+CL_Snd_Restart
+
+Restart the sound subsystem
+=================
+*/
+void CL_Snd_Restart(void)
+{
+	S_Shutdown();
+	S_Init();
+}
+
 /*
 =================
 CL_Snd_Restart_f
@@ -1742,10 +1770,9 @@ The cgame and game must also be forced to restart because
 handles will be invalid
 =================
 */
-void CL_Snd_Restart_f( void ) {
-	S_Shutdown();
-	S_Init();
-
+void CL_Snd_Restart_f(void)
+{
+	CL_Snd_Restart();
 	CL_Vid_Restart_f();
 }