start of demolition support

OpenRa.Game/Traits/C4Demolition.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using OpenRa.Game.Traits.Activities;
+
+namespace OpenRa.Game.Traits
+{
+	class C4Demolition : IOrder
+	{
+		public Order IssueOrder(Actor self, int2 xy, MouseInput mi, Actor underCursor)
+		{
+			if (underCursor == null) return null;
+			if (underCursor.Owner == self.Owner && !mi.Modifiers.HasModifier(Modifiers.Ctrl)) return null;
+			if (!underCursor.traits.Contains<Building>()) return null;
+
+			return new Order("C4", self, underCursor, int2.Zero, null);
+		}
+
+		public void ResolveOrder(Actor self, Order order)
+		{
+			if (order.OrderString == "C4")
+			{
+				self.CancelActivity();
+				self.QueueActivity(new Demolish(order.TargetActor));
+			}
+		}
+	}
+}