move CYard trait and UndeployMCV activity into mod

OpenRA.Mods.RA/Activities/UndeployMcv.cs

@@ -0,0 +1,57 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
+ * This file is part of OpenRA.
+ * 
+ *  OpenRA is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  OpenRA is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with OpenRA.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#endregion
+
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.RA.Activities
+{
+	public class UndeployMcv : IActivity
+	{
+		public IActivity NextActivity { get; set; }
+		bool started;
+
+		void DoUndeploy(World w,Actor self)
+		{
+			w.Remove(self);
+			
+			var mcv = w.CreateActor("mcv", self.Location + new int2(1, 1), self.Owner);
+			mcv.traits.Get<Unit>().Facing = 96;
+		}
+
+		public IActivity Tick(Actor self)
+		{
+			if (!started)
+			{
+				var rb = self.traits.Get<RenderBuilding>();
+				rb.PlayCustomAnimBackwards(self, "make",
+					() => self.World.AddFrameEndTask(w => DoUndeploy(w,self)));
+				
+				foreach (var s in self.Info.Traits.Get<BuildingInfo>().SellSounds)
+					Sound.PlayToPlayer(self.Owner, s, self.CenterLocation);
+				
+				started = true;
+			}
+
+			return this;
+		}
+
+		public void Cancel(Actor self) {}
+	}
+}