Moved our TerrainRender ref into WorldRenderer; TR.tileSet want to be somewhere else (it's not just renderer, it affects pathing)

OpenRa.Game/Game.cs

@@ -20,7 +20,6 @@ namespace OpenRa.Game
 		public static World world;
 		public static Map map;
 		static TreeCache treeCache;
-		public static TerrainRenderer terrain;
 		public static Viewport viewport;
 		public static PathFinder PathFinder;
 		public static WorldRenderer worldRenderer;
@@ -55,7 +54,6 @@ namespace OpenRa.Game
 
 			viewport = new Viewport( clientSize, map.Offset, map.Offset + map.Size, renderer );
 
-			terrain = new TerrainRenderer(renderer, map, viewport);
 			world = new World();
 			treeCache = new TreeCache(map);
 
@@ -68,11 +66,11 @@ namespace OpenRa.Game
 			LoadMapBuildings(mapFile);
 			LoadMapUnits(mapFile);
 
-			PathFinder = new PathFinder(map, terrain.tileSet);
-
 			controller = new Controller();
 			worldRenderer = new WorldRenderer(renderer);
 
+			PathFinder = new PathFinder( map, worldRenderer.terrainRenderer.tileSet );
+
 			soundEngine = new ISoundEngine();
 			sounds = new Cache<string, ISoundSource>(LoadSound);
 
@@ -144,7 +142,7 @@ namespace OpenRa.Game
 
 			return map.IsInMap(a.X, a.Y) &&
 				TerrainCosts.Cost(umt,
-					terrain.tileSet.GetWalkability(map.MapTiles[a.X, a.Y])) < double.PositiveInfinity;
+					worldRenderer.terrainRenderer.tileSet.GetWalkability( map.MapTiles[ a.X, a.Y ] ) ) < double.PositiveInfinity;
 		}
 
 		static IEnumerable<Actor> FindUnits(float2 a, float2 b)

OpenRa.Game/Graphics/TerrainRenderer.cs

@@ -12,19 +12,14 @@ namespace OpenRa.Game.Graphics
 		IndexBuffer indexBuffer;
 		Sheet terrainSheet;
 		public TileSet tileSet;
-		Region region;
 
 		Renderer renderer;
 		Map map;
-        Viewport viewport;
 		OverlayRenderer overlayRenderer;
 
-		public TerrainRenderer(Renderer renderer, Map map, Viewport viewport)
+		public TerrainRenderer(Renderer renderer, Map map)
 		{
 			this.renderer = renderer;
-            this.viewport = viewport;
-			region = Region.Create(viewport, DockStyle.Left, viewport.Width - 128, Draw, null );
-			viewport.AddRegion(region);
 			this.map = map;
 			overlayRenderer = new OverlayRenderer( renderer, map );
 
@@ -60,14 +55,14 @@ namespace OpenRa.Game.Graphics
 			indexBuffer.SetData( indices );
 		}
 
-		void Draw()
+		public void Draw( Viewport viewport )
 		{
 			int indicesPerRow = map.Width * 6;
 			int verticesPerRow = map.Width * 4;
 
-			int visibleRows = (int)(region.Size.Y / 24.0f + 2);
+			int visibleRows = (int)(viewport.Width / 24.0f + 2);
 
-			int firstRow = (int)((region.Position.Y + viewport.Location.Y) / 24.0f - map.YOffset);
+			int firstRow = (int)((viewport.Location.Y) / 24.0f - map.YOffset);
 			int lastRow = firstRow + visibleRows;
 
 			if (lastRow < 0 || firstRow > map.Height)

OpenRa.Game/Graphics/WorldRenderer.cs

@@ -9,6 +9,7 @@ namespace OpenRa.Game.Graphics
 {
 	class WorldRenderer
 	{
+		public readonly TerrainRenderer terrainRenderer;
 		public readonly SpriteRenderer spriteRenderer;
         public readonly LineRenderer lineRenderer;
 		public readonly Region region;
@@ -19,6 +20,8 @@ namespace OpenRa.Game.Graphics
 
 		public WorldRenderer(Renderer renderer)
 		{
+			terrainRenderer = new TerrainRenderer( renderer, Game.map );
+
 			// TODO: this is layout policy. it belongs at a higher level than this.
 			region = Region.Create(Game.viewport, DockStyle.Left,
 				Game.viewport.Width - 128, Draw, 
@@ -53,6 +56,8 @@ namespace OpenRa.Game.Graphics
 
 		public void Draw()
 		{
+			terrainRenderer.Draw( Game.viewport );
+
 			var rect = new RectangleF((region.Position + Game.viewport.Location).ToPointF(), 
                 region.Size.ToSizeF());