refinery comes with a harvester

git-svn-id: svn://svn.ijw.co.nz/svn/OpenRa@1344 993157c7-ee19-0410-b2c4-bb4e9862e678

OpenRa.Game/Actor.cs

@@ -10,9 +10,16 @@ namespace OpenRa.Game
 {
 	abstract class Actor
 	{
+		protected readonly Game game;
+
 		public abstract float2 RenderLocation { get; }
 		public Player owner;
 		public abstract Sprite[] CurrentImages { get; }
 		public virtual void Tick(Game game, int t) { }
+
+		protected Actor(Game game)
+		{
+			this.game = game;
+		}
 	}
 }