reinstate range circles; IRenderSelection allows arb. plugging in of these things

OpenRA.Game/Traits/DetectCloaked.cs

@@ -1,48 +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.Linq;
-
-namespace OpenRA.Traits
-{
-	class DetectCloakedInfo : TraitInfo<DetectCloaked>
-	{
-		public readonly int Interval = 12;		// ~.5s
-		public readonly float DecloakTime = 2f;	// 2s
-		public readonly int Range = 5;
-		public readonly bool AffectOwnUnits = true;
-	}
-
-	class DetectCloaked : ITick
-	{
-		[Sync] int ticks;
-
-		public void Tick(Actor self)
-		{
-			if (--ticks <= 0)
-			{
-				var info = self.Info.Traits.Get<DetectCloakedInfo>();
-				ticks = info.Interval;
-
-				var toDecloak = self.World.FindUnitsInCircle(self.CenterLocation, info.Range * Game.CellSize)
-					.Where(a => a.traits.Contains<Cloak>());
-
-				if (!info.AffectOwnUnits)
-					toDecloak = toDecloak.Where(a => self.Owner.Stances[a.Owner] != Stance.Ally);
-
-				foreach (var a in toDecloak)
-					a.traits.Get<Cloak>().Decloak((int)(25 * info.DecloakTime));
-			}
-		}
-	}
-
-	class RenderRangeCircleInfo : TraitInfo<RenderRangeCircle> { }
-	class RenderRangeCircle { }
-}

OpenRA.Game/Traits/TraitsInterfaces.cs

@@ -166,6 +166,8 @@ namespace OpenRA.Traits
 	public interface IVictoryConditions { }
 	public interface IBlocksBullets { }
 
+	public interface IRenderSelection { void Render(Actor self); }
+
 	public struct Target		// a target: either an actor, or a fixed location.
 	{
 		Actor actor;