Remove CVec -> WVec conversion.

OpenRA.Game/CVec.cs

@@ -44,8 +44,6 @@ namespace OpenRA
 		public int LengthSquared { get { return X * X + Y * Y; } }
 		public int Length { get { return (int)Math.Sqrt(LengthSquared); } }
 
-		public WVec ToWVec() { return new WVec(X*1024, Y*1024, 0); }
-
 		public CVec Clamp(Rectangle r)
 		{
 			return new CVec(
@@ -115,7 +113,6 @@ namespace OpenRA
 				{
 					case "X": return X;
 					case "Y": return Y;
-					case "Facing": return Traits.Util.GetFacing(this, 0);
 					default: throw new LuaException("CVec does not define a member '{0}'".F(key));
 				}
 			}

OpenRA.Game/Map/Map.cs

@@ -476,6 +476,11 @@ namespace OpenRA
 			return new CPos(pos.X / 1024, pos.Y / 1024);
 		}
 
+		public int FacingBetween(CPos cell, CPos towards, int fallbackfacing)
+		{
+			return Traits.Util.GetFacing(CenterOfCell(towards) - CenterOfCell(cell), fallbackfacing);
+		}
+
 		public void Resize(int width, int height)		// editor magic.
 		{
 			var oldMapTiles = MapTiles.Value;

OpenRA.Game/Traits/Util.cs

@@ -42,11 +42,6 @@ namespace OpenRA.Traits
 			return (angle / 4 - 0x40) & 0xFF;
 		}
 
-		public static int GetFacing(CVec d, int currentFacing)
-		{
-			return GetFacing(d.ToWVec(), currentFacing);
-		}
-
 		public static int GetNearestFacing(int facing, int desiredFacing)
 		{
 			var turn = desiredFacing - facing;