- SheetSize is configurable. - TerrainRenderer gets to load it's sprites first, meaning we need one less texture.

OpenRa.Game/Game.cs

@@ -60,7 +60,10 @@ namespace OpenRa.Game
 
 			Rules.Map.InitOreDensity();
 
-			viewport = new Viewport(clientSize, Rules.Map.Offset, Rules.Map.Offset + Rules.Map.Size, renderer);
+			controller = new Controller();
+			worldRenderer = new WorldRenderer( renderer );
+
+			viewport = new Viewport( clientSize, Rules.Map.Offset, Rules.Map.Offset + Rules.Map.Size, renderer );
 
 			world = new World();
 			treeCache = new TreeCache(Rules.Map);
@@ -74,9 +77,6 @@ namespace OpenRa.Game
 			LoadMapBuildings(Rules.AllRules);
 			LoadMapUnits(Rules.AllRules);
 
-			controller = new Controller();
-			worldRenderer = new WorldRenderer(renderer);
-
 			PathFinder = new PathFinder(Rules.Map);
 
 			soundEngine = new ISoundEngine();

OpenRa.Game/Graphics/Renderer.cs

@@ -9,6 +9,8 @@ namespace OpenRa.Game.Graphics
 {
 	class Renderer
 	{
+		internal static int SheetSize;
+
 		readonly GraphicsDevice device;
 		Texture[] palettes;
 		public Shader SpriteShader { get; private set; }    /* note: shared shader params */

OpenRa.Game/Graphics/SheetBuilder.cs

@@ -27,11 +27,13 @@ namespace OpenRa.Game.Graphics
 
 		public static void ForceNewSheet()
 		{
+			if( p == Point.Empty )
+				return;
 			current = NewSheet();
 			channel = NextChannel(null);
 		}
 
-		static Sheet NewSheet() { return new Sheet(renderer, new Size(512, 512)); }
+		static Sheet NewSheet() { return new Sheet( renderer, new Size( Renderer.SheetSize, Renderer.SheetSize ) ); }
 
 		static Renderer renderer;
 		static Sheet current = null;

OpenRa.Game/Graphics/TerrainRenderer.cs

@@ -20,10 +20,9 @@ namespace OpenRa.Game.Graphics
 		{
 			this.renderer = renderer;
 			this.map = map;
-			overlayRenderer = new OverlayRenderer( renderer, map );
-
-			Size tileSize = new Size( Game.CellSize, Game.CellSize );
 
+			Size tileSize = new Size( Game.CellSize, Game.CellSize );
+
 			SheetBuilder.ForceNewSheet();
 
 			var tileMapping = new Cache<TileReference, Sprite>(
@@ -49,7 +48,9 @@ namespace OpenRa.Game.Graphics
 			vertexBuffer.SetData( vertices );
 
 			indexBuffer = new IndexBuffer( renderer.Device, indices.Length );
-			indexBuffer.SetData( indices );
+			indexBuffer.SetData( indices );
+
+			overlayRenderer = new OverlayRenderer( renderer, map );
 		}
 
 		public void Draw( Viewport viewport )

OpenRa.Game/MainWindow.cs

@@ -57,6 +57,8 @@ namespace OpenRa.Game
 			Game.NetworkHost = settings.GetValue( "host", "" );
 			Game.NetworkPort = int.Parse( settings.GetValue( "port", "0" ) );
 
+			Renderer.SheetSize = int.Parse( settings.GetValue( "sheetsize", "512" ) );
+
 			Game.Initialize(settings.GetValue("map", "scm12ea.ini"), renderer, new int2(ClientSize),
 				settings.GetValue("player", 1));