Use the same mechanism for loading ingame and shellmap ui.

OpenRA.Game/Game.cs

@@ -113,6 +113,16 @@ namespace OpenRA
 			});
 		}
 		
+		public static Widget LoadWidget(World world, string widget, Dictionary<string, object> args)
+		{
+			return Widget.LoadWidget(widget, new Dictionary<string,object>(args)
+			{
+				{ "world", world },
+				{ "orderManager", orderManager },
+				{ "worldRenderer", worldRenderer },
+			});
+		}
+
 		static ActionQueue afterTickActions = new ActionQueue();
 		public static void RunAfterTick(Action a) { afterTickActions.Add(a); }
 

OpenRA.Mods.Cnc/Widgets/CncIngameChromeLogic.cs

@@ -91,11 +91,8 @@ namespace OpenRA.Mods.Cnc.Widgets
 			var onQuit = (Action)(() =>
 			{
 				Game.DisconnectOnly();
-				
-				// This is stupid. It should be handled by the shellmap
-				Game.LoadShellMap();
 				Widget.RootWidget.RemoveChildren();
-				Widget.LoadWidget("MENU_BACKGROUND", new Dictionary<string, object>());
+				Game.LoadShellMap();
 			});
 			
 			var doNothing = (Action)(() => {});

OpenRA.Mods.RA/OpenWidgetAtGameStart.cs

@@ -10,9 +10,11 @@
 
 using OpenRA.Traits;
 using OpenRA.Widgets;
+using System.Collections.Generic;
 
 namespace OpenRA.Mods.RA
 {
+	// Legacy crap
 	public class OpenWidgetAtGameStartInfo : ITraitInfo
 	{
 		public readonly string Widget = "INGAME_ROOT";
@@ -40,4 +42,25 @@ namespace OpenRA.Mods.RA
 				Game.OpenWindow(world, Info.ObserverWidget);
 		}
 	}
+
+	// New version
+	public class LoadWidgetAtGameStartInfo : ITraitInfo
+	{
+		public readonly string Widget = null;
+		public object Create(ActorInitializer init) { return new LoadWidgetAtGameStart(this); }
+	}
+
+	public class LoadWidgetAtGameStart: IWorldLoaded
+	{
+		readonly LoadWidgetAtGameStartInfo Info;
+		public LoadWidgetAtGameStart(LoadWidgetAtGameStartInfo Info)
+		{
+			this.Info = Info;
+		}
+
+		public void WorldLoaded(World world)
+		{
+			Game.LoadWidget(world, Info.Widget, new Dictionary<string, object>());
+		}
+	}
 }

OpenRA.Mods.RA/Widgets/Delegates/GameInitDelegate.cs

@@ -71,12 +71,12 @@ namespace OpenRA.Mods.RA.Widgets.Delegates
 			if (FileSystem.Exists(Info.TestFile))
 			{
 				Game.LoadShellMap();
+				if (Info.InstallMode != "cnc")
+				{
 					Widget.RootWidget.RemoveChildren();
-				if (Info.InstallMode == "cnc")
-					Widget.LoadWidget("MENU_BACKGROUND", new Dictionary<string, object>());
-				else
 					Widget.OpenWindow("MAINMENU_BG");
 				}
+			}
             else
             {
                 MainMenuButtonsDelegate.DisplayModSelector();

mods/cnc/maps/shellmap/map.yaml

@@ -1014,7 +1014,8 @@ Rules:
 		-CrateSpawner:
 		CncShellmapScript:
 		DesaturatedPaletteEffect:
-		-OpenWidgetAtGameStart:
+		LoadWidgetAtGameStart:
+			Widget:MENU_BACKGROUND
 	LST:
 		Mobile:
 			Speed: 3

mods/cnc/rules/system.yaml

@@ -44,9 +44,8 @@ Player:
 	SurrenderOnDisconnect:
 	
 World:
-	OpenWidgetAtGameStart:
+	LoadWidgetAtGameStart:
 		Widget: INGAME_ROOT
-		ObserverWidget: OBSERVER_ROOT
 	ScreenShaker:
 	NukePaletteEffect:
 	CncWaterPaletteRotation: