remove batch fail

OpenRA.Game/Orders/UnitOrderGenerator.cs

@@ -40,6 +40,8 @@ namespace OpenRA.Orders
 			foreach (var a in world.Selection.Actors)
 				foreach (var t in a.TraitsImplementing<IPreRenderSelection>())
 					t.RenderBeforeWorld(a);
+
+			Game.Renderer.Flush();
 		}
 
 		public void RenderAfterWorld( World world )
@@ -47,6 +49,8 @@ namespace OpenRA.Orders
 			foreach (var a in world.Selection.Actors)
 				foreach (var t in a.TraitsImplementing<IPostRenderSelection>())
 					t.RenderAfterWorld(a);
+
+			Game.Renderer.Flush();
 		}
 
 		public string GetCursor( World world, int2 xy, MouseInput mi )

OpenRA.Game/Traits/DrawLineToTarget.cs

@@ -63,7 +63,6 @@ namespace OpenRA.Traits
 				Game.Renderer.LineRenderer.DrawLine(p + new float2(1, 1), p + new float2(1, -1), c, c);
 				Game.Renderer.LineRenderer.DrawLine(p + new float2(1, -1), p + new float2(-1, -1), c, c);
 			}
-			Game.Renderer.LineRenderer.Flush();
 		}
 	}
 }