remove special case in World for InitOreDensity()

OpenRa.Game/Traits/OreGrowth.cs

@@ -16,7 +16,7 @@ namespace OpenRa.Traits
 		public object Create(Actor self) { return new OreGrowth(); }
 	}
 
-	class OreGrowth : ITick
+	class OreGrowth : ITick, ILoadWorldHook
 	{
 		int remainingTicks;
 
@@ -38,5 +38,10 @@ namespace OpenRa.Traits
 				remainingTicks = (int)(info.Interval * 60 * 25);
 			}
 		}
+
+		public void WorldLoaded(World w)
+		{
+			Ore.InitOreDensity(w.Map);
+		}
 	}
 }

OpenRa.Game/World.cs

@@ -34,7 +34,6 @@ namespace OpenRa
 			}
 			if (!string.IsNullOrEmpty(Game.Settings.PlayerName) && LocalPlayer.PlayerName != Game.Settings.PlayerName)
 				Game.IssueOrder(Order.Chat("/name " + Game.Settings.PlayerName));
-
 		}
 
 		public readonly Actor WorldActor;
@@ -63,15 +62,11 @@ namespace OpenRa
 			WorldRenderer = new WorldRenderer(this, Game.renderer);
 			Timer.Time("renderer: {0}");
 			
-			Map.InitOreDensity();
-			Timer.Time( "Ore: {0}" );
-
 			WorldActor = CreateActor("World", new int2(int.MaxValue, int.MaxValue), null);
 
 			for (int i = 0; i < 8; i++)
-			{
 				players[i] = new Player(this, i, Game.LobbyInfo.Clients.FirstOrDefault(a => a.Index == i));
-			}
+
 			Timer.Time( "worldActor, players: {0}" );
 
 			Queries = new AllQueries( this );