moved all selection-related bits into Selection.cs

OpenRa.Game/Controller.cs

@@ -128,69 +128,5 @@ namespace OpenRa
 					throw new InvalidOperationException( "Desync in Controller.ChooseCursor" );
 			}
 		}
-
-		Cache<int, List<Actor>> controlGroups = new Cache<int, List<Actor>>(_ => new List<Actor>());
-
-		public void DoControlGroup(World world, int group, Modifiers mods)
-		{
-			if (mods.HasModifier(Modifiers.Ctrl))
-			{
-				if (!selection.Actors.Any())
-					return;
-
-				controlGroups[group].Clear();
-
-				for (var i = 0; i < 10; i++)	/* all control groups */
-					controlGroups[i].RemoveAll(a => selection.Actors.Contains(a));
-
-				controlGroups[group].AddRange(selection.Actors);
-				return;
-			}
-
-			if (mods.HasModifier(Modifiers.Alt))
-			{
-				Game.viewport.Center(controlGroups[group]);
-				return;
-			}
-
-			selection.Combine(world, controlGroups[group], 
-				mods.HasModifier(Modifiers.Shift), false);
-		}
-
-		public int? GetControlGroupForActor(Actor a)
-		{
-			return controlGroups.Where(g => g.Value.Contains(a))
-				.Select(g => (int?)g.Key)
-				.FirstOrDefault();
-		}
-	}
-
-	public class Selection
-	{
-		List<Actor> actors = new List<Actor>();
-
-		public void Combine(World world, IEnumerable<Actor> newSelection, bool isCombine, bool isClick)
-		{
-			var oldSelection = actors.AsEnumerable();
-
-			if (isClick)
-			{
-				var adjNewSelection = newSelection.Take(1);	/* todo: select BEST, not FIRST */
-				actors = (isCombine ? oldSelection.SymmetricDifference(adjNewSelection) : adjNewSelection).ToList();
-			}
-			else
-				actors = (isCombine ? oldSelection.Union(newSelection) : newSelection).ToList();
-
-			var voicedUnit = actors.FirstOrDefault(a => a.traits.Contains<Unit>() && a.Owner == world.LocalPlayer);
-			Sound.PlayVoice("Select", voicedUnit);
-		}
-
-		public IEnumerable<Actor> Actors { get { return actors; } }
-		public void Clear() { actors = new List<Actor>(); }
-
-		public void Tick(World world)
-		{
-			actors.RemoveAll(a => !a.IsInWorld);
-		}
 	}
 }