Fix C&C options menu fade effect.

OpenRA.Game/Game.cs

@@ -190,7 +190,8 @@ namespace OpenRA
 						else
 							if (orderManager.NetFrameNumber == 0)
 								orderManager.LastTickTime = Environment.TickCount;
-					
+
+						world.TickRender(worldRenderer);
 						viewport.Tick();
 					}
 				}

OpenRA.Game/Traits/TraitsInterfaces.cs

@@ -34,6 +34,7 @@ namespace OpenRA.Traits
 	}
 
 	public interface ITick { void Tick(Actor self); }
+	public interface ITickRender { void TickRender(WorldRenderer wr, Actor self); }
 	public interface IRender { IEnumerable<Renderable> Render(Actor self, WorldRenderer wr); }
 	public interface IAutoSelectionSize { int2 SelectionSize(Actor self); }
 

OpenRA.Game/World.cs

@@ -13,6 +13,7 @@ using System.Collections.Generic;
 using System.Linq;
 using OpenRA.Effects;
 using OpenRA.FileFormats;
+using OpenRA.Graphics;
 using OpenRA.Network;
 using OpenRA.Orders;
 using OpenRA.Support;
@@ -192,7 +193,12 @@ namespace OpenRA
 
 			while (frameEndActions.Count != 0)
 				frameEndActions.Dequeue()(this);
-			
+		}
+
+		// For things that want to update their render state once per tick, ignoring pause state
+		public void TickRender(WorldRenderer wr)
+		{
+			ActorsWithTrait<ITickRender>().Do(x => x.Trait.TickRender(wr, x.Actor));
 		}
 
 		public IEnumerable<Actor> Actors { get { return actors; } }