add a World type

OpenRA.Game/Game.cs

@@ -135,7 +135,7 @@ namespace OpenRA
 		}
 
 		public static event Action BeforeGameStart = () => { };
-		internal static void StartGame(string mapUID, bool isShellmap)
+		internal static void StartGame(string mapUID, WorldType type)
 		{
 			Cursor.SetCursor(null);
 			BeforeGameStart();
@@ -146,14 +146,15 @@ namespace OpenRA
 				map = ModData.PrepareMap(mapUID);
 			using (new PerfTimer("NewWorld"))
 			{
-				OrderManager.World = new World(map, OrderManager, isShellmap);
+				OrderManager.World = new World(map, OrderManager, type);
 				OrderManager.World.Timestep = Timestep;
 			}
 
 			if (worldRenderer != null)
 				worldRenderer.Dispose();
+
 			worldRenderer = new WorldRenderer(OrderManager.World);
-			
+
 			using (new PerfTimer("LoadComplete"))
 				OrderManager.World.LoadComplete(worldRenderer);
 
@@ -375,7 +376,7 @@ namespace OpenRA
 			var shellmap = ChooseShellmap();
 
 			using (new PerfTimer("StartGame"))
-				StartGame(shellmap, true);
+				StartGame(shellmap, WorldType.Shellmap);
 		}
 
 		static string ChooseShellmap()

OpenRA.Game/Graphics/WorldRenderer.cs

@@ -107,7 +107,7 @@ namespace OpenRA.Graphics
 		{
 			RefreshPalette();
 
-			if (World.IsShellmap && !Game.Settings.Game.ShowShellmap)
+			if (World.Type == WorldType.Shellmap && !Game.Settings.Game.ShowShellmap)
 				return;
 
 			var renderables = GenerateRenderables();
@@ -156,7 +156,7 @@ namespace OpenRA.Graphics
 					foreach (var r in g)
 						r.RenderDebugGeometry(this);
 
-			if (!World.IsShellmap && Game.Settings.Game.AlwaysShowStatusBars)
+			if (World.Type == WorldType.Regular && Game.Settings.Game.AlwaysShowStatusBars)
 			{
 				foreach (var g in World.Actors.Where(a => !a.Destroyed
 					&& a.HasTrait<Selectable>()

OpenRA.Game/Network/UnitOrders.cs

@@ -103,7 +103,7 @@ namespace OpenRA.Network
 						}
 
 						Game.AddChatLine(Color.White, "Server", "The game has started.");
-						Game.StartGame(orderManager.LobbyInfo.GlobalSettings.Map, false);
+						Game.StartGame(orderManager.LobbyInfo.GlobalSettings.Map, WorldType.Regular);
 						break;
 					}
 

OpenRA.Game/World.cs

@@ -22,6 +22,8 @@ using OpenRA.Traits;
 
 namespace OpenRA
 {
+	public enum WorldType { Regular, Shellmap }
+
 	public class World
 	{
 		static readonly Func<int, int, bool> FalsePredicate = (u, v) => false;
@@ -109,6 +111,8 @@ namespace OpenRA
 		public readonly TileSet TileSet;
 		public readonly ActorMap ActorMap;
 		public readonly ScreenMap ScreenMap;
+		public readonly WorldType Type;
+
 		readonly GameInformation gameInfo;
 
 		public void IssueOrder(Order o) { OrderManager.IssueOrder(o); } /* avoid exposing the OM to mod code */
@@ -146,9 +150,9 @@ namespace OpenRA
 			}
 		}
 
-		internal World(Map map, OrderManager orderManager, bool isShellmap)
+		internal World(Map map, OrderManager orderManager, WorldType type)
 		{
-			IsShellmap = isShellmap;
+			Type = type;
 			OrderManager = orderManager;
 			orderGenerator = new UnitOrderGenerator();
 			Map = map;
@@ -242,7 +246,7 @@ namespace OpenRA
 		public bool Paused { get; internal set; }
 		public bool PredictedPaused { get; internal set; }
 		public bool PauseStateLocked { get; set; }
-		public bool IsShellmap = false;
+
 		public int WorldTick { get; private set; }
 
 		public void SetPauseState(bool paused)
@@ -261,7 +265,7 @@ namespace OpenRA
 
 		public void Tick()
 		{
-			if (!Paused && (!IsShellmap || Game.Settings.Game.ShowShellmap))
+			if (!Paused && (Type != WorldType.Shellmap || Game.Settings.Game.ShowShellmap))
 			{
 				WorldTick++;
 

OpenRA.Mods.RA/Widgets/Logic/MusicPlayerLogic.cs

@@ -84,7 +84,7 @@ namespace OpenRA.Mods.RA.Widgets.Logic
 			var installButton = widget.GetOrNull<ButtonWidget>("INSTALL_BUTTON");
 			if (installButton != null)
 			{
-				installButton.IsDisabled = () => world == null || !world.IsShellmap;
+				installButton.IsDisabled = () => world == null || world.Type != WorldType.Shellmap;
 				var args = new string[] { "Install.Music=true" };
 				installButton.OnClick = () =>
 				{