Try to win a small amount of performance when the shellmap is disabled

OpenRA.Game/Game.cs

@@ -483,7 +483,11 @@ namespace OpenRA
 					Sound.Tick();
 					Sync.CheckSyncUnchanged(world, orderManager.TickImmediate);
 
-					if (world != null)
+					if (world == null)
+						return;
+
+					// Don't tick when the shellmap is disabled
+					if (world.ShouldTick)
 					{
 						var isNetTick = LocalTick % NetTickScale == 0;
 
@@ -506,12 +510,13 @@ namespace OpenRA
 
 							PerfHistory.Tick();
 						}
-						else
-							if (orderManager.NetFrameNumber == 0)
-								orderManager.LastTickTime = RunTime;
+						else if (orderManager.NetFrameNumber == 0)
+							orderManager.LastTickTime = RunTime;
 
 						Sync.CheckSyncUnchanged(world, () => world.TickRender(worldRenderer));
 					}
+					else
+						PerfHistory.Tick();
 				}
 			}
 		}

OpenRA.Game/World.cs

@@ -260,6 +260,7 @@ namespace OpenRA
 		public event Action<Actor> ActorAdded = _ => { };
 		public event Action<Actor> ActorRemoved = _ => { };
 
+		public bool ShouldTick { get { return Type != WorldType.Shellmap || Game.Settings.Game.ShowShellmap; } }
 		public bool Paused { get; internal set; }
 		public bool PredictedPaused { get; internal set; }
 		public bool PauseStateLocked { get; set; }
@@ -282,7 +283,7 @@ namespace OpenRA
 
 		public void Tick()
 		{
-			if (!Paused && (Type != WorldType.Shellmap || Game.Settings.Game.ShowShellmap))
+			if (!Paused)
 			{
 				WorldTick++;
 

OpenRA.Mods.Common/Widgets/VqaPlayerWidget.cs

@@ -201,7 +201,7 @@ namespace OpenRA.Mods.Common.Widgets
 			Game.Sound.StopVideo();
 			video.Reset();
 			videoSprite.Sheet.GetTexture().SetData(video.FrameData);
-			world.AddFrameEndTask(_ => onComplete());
+			Game.RunAfterTick(onComplete);
 		}
 
 		public void CloseVideo()