text rendering

OpenRa.Game/Graphics/WorldRenderer.cs

@@ -12,7 +12,8 @@ namespace OpenRa.Game.Graphics
 		public readonly SpriteRenderer spriteRenderer;
         public readonly LineRenderer lineRenderer;
 		public readonly Region region;
-		public readonly UiOverlay uiOverlay;
+		public readonly UiOverlay uiOverlay;
+		readonly Renderer renderer;
 
 		public static bool ShowUnitPaths = false;
 
@@ -23,8 +24,9 @@ namespace OpenRa.Game.Graphics
 				Game.viewport.Width - 128, Draw, 
                 Game.controller.HandleMouseInput);		
 
-			Game.viewport.AddRegion(region);
-
+			Game.viewport.AddRegion(region);
+
+			this.renderer = renderer;
 			spriteRenderer = new SpriteRenderer(renderer, true);
             lineRenderer = new LineRenderer(renderer);
 			uiOverlay = new UiOverlay(spriteRenderer);
@@ -90,7 +92,9 @@ namespace OpenRa.Game.Graphics
 				foreach( var a in uog.selection )
 	                DrawSelectionBox(a, Color.White, true);
             
-            lineRenderer.Flush();
+            lineRenderer.Flush();
+
+			renderer.DrawText(string.Format("Frame {0}", Game.orderManager.FrameNumber), new int2(5, 5), Color.White);
 		}
 
 		const float conditionYellow = 0.5f;		/* todo: get these from gamerules */