Remove unnecessary PPos.FromWPosHackZ() usage.

OpenRA.Game/Graphics/WorldRenderer.cs

@@ -221,11 +221,15 @@ namespace OpenRA.Graphics
 
 		public int2 ScreenPxPosition(WPos pos)
 		{
-			var c = Game.CellSize/1024f;
+			return new int2(Game.CellSize*pos.X/1024, Game.CellSize*(pos.Y - pos.Z)/1024);
-			return new int2((int)(c*pos.X), (int)(c*(pos.Y - pos.Z)));
 		}
 		public float ScreenZOffset(WPos pos) { return pos.Z*Game.CellSize/1024f; }
 
+		public int2 ScreenPxOffset(WVec vec)
+		{
+			return new int2(Game.CellSize*vec.X/1024, Game.CellSize*(vec.Y - vec.Z)/1024);
+		}
+
 		public float[] ScreenOffset(WVec vec)
 		{
 			var c = Game.CellSize/1024f;

OpenRA.Mods.RA/Render/RenderBuildingSeparateTurret.cs

@@ -34,7 +34,7 @@ namespace OpenRA.Mods.RA.Render
 				anim.Play("turret");
 
 				anims.Add("turret_{0}".F(i++), new AnimationWithOffset(anim,
-					wr => PPos.FromWPosHackZ(WPos.Zero + t.Position(self)).ToFloat2(), null));
+					wr => wr.ScreenPxOffset(t.Position(self)), null));
 			}
 		}
 	}

OpenRA.Mods.RA/Render/RenderUnitTurreted.cs

@@ -37,11 +37,11 @@ namespace OpenRA.Mods.RA.Render
 				anim.Play("turret");
 
 				anims.Add("turret_{0}".F(i++), new AnimationWithOffset(anim,
-					wr => TurretPosition(self, turret, facing), null));
+					wr => TurretPosition(self, wr, turret, facing), null));
 			}
 		}
 
-		float2 TurretPosition(Actor self, Turreted t, IFacing facing)
+		float2 TurretPosition(Actor self, WorldRenderer wr, Turreted t, IFacing facing)
 		{
 			var recoil = self.TraitsImplementing<Armament>()
 				.Where(w => w.Info.Turret == t.Name)
@@ -50,9 +50,9 @@ namespace OpenRA.Mods.RA.Render
 			var localOffset = new WVec(-recoil, WRange.Zero, WRange.Zero);
 			var bodyOrientation = QuantizeOrientation(self, self.Orientation);
 			var turretOrientation = QuantizeOrientation(self, t.LocalOrientation(self));
-			var worldPos = WPos.Zero + t.Position(self) + LocalToWorld(localOffset.Rotate(turretOrientation).Rotate(bodyOrientation));
+			var worldPos = t.Position(self) + LocalToWorld(localOffset.Rotate(turretOrientation).Rotate(bodyOrientation));
 
-			return PPos.FromWPosHackZ(worldPos).ToFloat2();
+			return wr.ScreenPxOffset(worldPos);
 		}
 	}
 }

OpenRA.Mods.RA/Render/WithMuzzleFlash.cs

@@ -47,7 +47,7 @@ namespace OpenRA.Mods.RA.Render
 
 					muzzleFlashes.Add("muzzle{0}".F(muzzleFlashes.Count), new AnimationWithOffset(
 						muzzleFlash,
-						wr => PPos.FromWPosHackZ(WPos.Zero + a.MuzzleOffset(self, barrel)).ToFloat2(),
+						wr => wr.ScreenPxOffset(a.MuzzleOffset(self, barrel)),
 						() => !isShowing));
 				}
 		}