Improve performance for prehandling by disabling rendering.

Assets/Cryville/Crtr/ChartPlayer.cs

@@ -504,6 +504,7 @@ namespace Cryville.Crtr {
 			Game.AudioSequencer.SeekTime(startOffset, SeekOrigin.Current);
 			Logger.Log("main", 0, "Load/Prehandle", "Cleaning up"); yield return .95f;
 			if (logEnabled && Settings.Default.HideLogOnPlay) ToggleLogs();
+			Camera.main.cullingMask |= 1;
 			GC.Collect();
 			if (disableGC) GarbageCollector.GCMode = GarbageCollector.Mode.Disabled;
 			timer.Stop();
@@ -525,6 +526,7 @@ namespace Cryville.Crtr {
 				Logger.Log("main", 1, "Game", "Stopping");
 				Game.AudioClient.Start();
 				Game.AudioSession = Game.AudioSequencer.NewSession();
+				Camera.main.cullingMask &= ~1;
 				inputProxy.Deactivate();
 				inputProxy = null;
 				judge = null;