reduce coverage of UiOverlay sprites so you can see the building you're placing

OpenRA.Game/UiOverlay.cs

@@ -33,7 +33,7 @@ namespace OpenRA
 
 			for (int i = 0; i < Game.CellSize; i++)
 				for (int j = 0; j < Game.CellSize; j++)
-					data[i * Game.CellSize + j] = ((i + j) % 4 < 2) ? (byte)0 : paletteIndex;
+					data[i * Game.CellSize + j] = ((i+j) % 4 != 0) ? (byte)0 : paletteIndex;
 
 			return Game.modData.SheetBuilder.Add(data, new Size(Game.CellSize, Game.CellSize));
 		}

OpenRA.Mods.RA/Orders/PlaceBuildingOrderGenerator.cs

@@ -72,8 +72,6 @@ namespace OpenRA.Mods.RA.Orders
 			var position = Game.viewport.ViewToWorld(Viewport.LastMousePos).ToInt2();
 			var topLeft = position - FootprintUtils.AdjustForBuildingSize( BuildingInfo );
 			
-			
-			
 			var cells = new Dictionary<int2, bool>();
 			// Linebuild for walls.
 			// Assumes a 1x1 footprint; weird things will happen for other footprints