Refactor more power and infiltration stuff. Create new power sabotage ability for spies in ra and ts.

OpenRA.Mods.RA/Power/RequiresPower.cs

@@ -0,0 +1,39 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2014 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.RA.Power
+{
+	class RequiresPowerInfo : ITraitInfo
+	{
+		public object Create(ActorInitializer init) { return new RequiresPower(init.self); }
+	}
+
+	class RequiresPower : IDisable, INotifyCapture
+	{
+		PowerManager playerPower;
+
+		public RequiresPower(Actor self)
+		{
+			playerPower = self.Owner.PlayerActor.Trait<PowerManager>();
+		}
+
+		public bool Disabled
+		{
+			get { return playerPower.PowerProvided < playerPower.PowerDrained; }
+		}
+
+		public void OnCapture(Actor self, Actor captor, Player oldOwner, Player newOwner)
+		{
+			playerPower = newOwner.PlayerActor.Trait<PowerManager>();
+		}
+	}
+}