Use ExtraData for SetStance and SetUnitStance.

OpenRA.Game/Network/UnitOrders.cs

@@ -237,7 +237,7 @@ namespace OpenRA.Network
 							return;
 
 						var targetPlayer = order.Player.World.Players.FirstOrDefault(p => p.InternalName == order.TargetString);
-						var newStance = (Stance)order.TargetLocation.X;
+						var newStance = (Stance)order.ExtraData;
 
 						SetPlayerStance(world, order.Player, targetPlayer, newStance);
 

OpenRA.Mods.RA/AutoTarget.cs

@@ -66,7 +66,7 @@ namespace OpenRA.Mods.RA
 		public void ResolveOrder(Actor self, Order order)
 		{
 			if (order.OrderString == "SetUnitStance" && info.EnableStances)
-				Stance = (UnitStance)order.TargetLocation.X;
+				Stance = (UnitStance)order.ExtraData;
 		}
 
 		public void Damaged(Actor self, AttackInfo e)

OpenRA.Mods.RA/Widgets/Logic/DiplomacyLogic.cs

@@ -87,9 +87,11 @@ namespace OpenRA.Mods.RA.Widgets.Logic
 			if (!p.World.LobbyInfo.GlobalSettings.FragileAlliances)
 				return;	// stance changes are banned
 
-			// HACK: Abuse of the type system here with `CPos`
 			world.IssueOrder(new Order("SetStance", world.LocalPlayer.PlayerActor, false)
-			{ TargetLocation = new CPos((int)ss, 0), TargetString = p.InternalName, SuppressVisualFeedback = true });
+			{
+				ExtraData = (uint)ss,
+				TargetString = p.InternalName,
+			});
 
 			bw.Text = ss.ToString();
 		}

OpenRA.Mods.RA/Widgets/WorldCommandWidget.cs

@@ -164,8 +164,7 @@ namespace OpenRA.Mods.RA.Widgets
 				if (at != null)
 					at.PredictedStance = nextStance;
 
-				// FIXME: Abuse of the type system here with `CPos`
-				return new Order("SetUnitStance", a, false) { TargetLocation = new CPos((int)nextStance, 0), SuppressVisualFeedback = true };
+				return new Order("SetUnitStance", a, false) { ExtraData = (uint)nextStance };
 			});
 
 			Game.Debug("Unit stance set to: {0}".F(nextStance));