refactor Targetable into Targetable{Unit,Building} and ITargetable

OpenRA.Game/Traits/Targetable.cs

@@ -1,42 +0,0 @@
-#region Copyright & License Information
-/*
- * Copyright 2007-2010 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 LICENSE.
- */
-#endregion
-
-using System.Drawing;
-using OpenRA.Graphics;
-using System.Linq;
-using System.Collections.Generic;
-
-namespace OpenRA.Traits
-{
-	public class TargetableInfo : ITraitInfo
-	{
-		public readonly string[] TargetTypes = {};
-		public virtual object Create( ActorInitializer init ) { return new Targetable(this); }
-	}
-
-	public class Targetable
-	{
-		protected TargetableInfo Info;
-		public Targetable(TargetableInfo info)
-		{
-			Info = info;
-		}
-		
-		public virtual string[] TargetTypes
-		{
-			get { return Info.TargetTypes;}
-		}
-
-		public virtual IEnumerable<int2> TargetableSquares( Actor self )
-		{
-			yield return self.Location;
-		}
-	}
-}

OpenRA.Game/Traits/TraitsInterfaces.cs

@@ -237,4 +237,10 @@ namespace OpenRA.Traits
 		public Actor Actor { get { return IsActor ? actor : null; } }
 		public bool IsActor { get { return actor != null && !actor.Destroyed; } }
 	}
+
+	public interface ITargetable
+	{
+		string[] TargetTypes { get; }
+		IEnumerable<int2> TargetableSquares( Actor self );
+	}
 }