split ITeleportable off as a base interface from IMove; Crate no longer pretends to be moveable.

OpenRA.Game/Traits/Mobile.cs

@@ -121,7 +121,7 @@ namespace OpenRA.Traits
 		{
 			if (order.OrderString == "Move")
 			{
-				if (self.traits.GetOrDefault<IMove>().CanEnterCell(order.TargetLocation))
+				if (CanEnterCell(order.TargetLocation))
 				{
 					if (self.Owner == self.World.LocalPlayer)
 						self.World.AddFrameEndTask(w =>

OpenRA.Game/Traits/TraitsInterfaces.cs

@@ -99,13 +99,18 @@ namespace OpenRA.Traits
 	public interface IPaletteModifier { void AdjustPalette(Bitmap b); }
 	public interface IPips { IEnumerable<PipType> GetPips(Actor self); }
 	public interface ITags { IEnumerable<TagType> GetTags(); }
-	public interface IMove
+
+	public interface ITeleportable /* crap name! */
 	{
 		bool CanEnterCell(int2 location);
+		void SetPosition(Actor self, int2 cell);
+	}
+
+	public interface IMove : ITeleportable
+	{
 		float MovementCostForCell(Actor self, int2 cell);
 		float MovementSpeedForCell(Actor self, int2 cell);
 		IEnumerable<float2> GetCurrentPath(Actor self);
-		void SetPosition(Actor self, int2 cell);
 	}
 	
 	public interface IOffsetCenterLocation { float2 CenterOffset { get; } }

OpenRA.Mods.RA/Crate.cs

@@ -35,8 +35,8 @@ namespace OpenRA.Mods.RA
 		public object Create(ActorInitializer init) { return new Crate(init, this); }
 	}
 
-	// IMove is required for paradrop
+	// ITeleportable is required for paradrop
-	class Crate : ITick, IOccupySpace, IMove
+	class Crate : ITick, IOccupySpace, ITeleportable
 	{
 		readonly Actor self;
 		[Sync]
@@ -92,20 +92,13 @@ namespace OpenRA.Mods.RA
 		int2[] noCells = new int2[] { };
 		public IEnumerable<int2> OccupiedCells() { return noCells; }
 
-		public bool CanEnterCell(int2 cell) { return MovementCostForCell(self, cell) < float.PositiveInfinity; }
+		public bool CanEnterCell(int2 cell)
-
-		public float MovementCostForCell(Actor self, int2 cell)
 		{
-			if (!self.World.Map.IsInMap(cell.X,cell.Y))
+			if (!self.World.Map.IsInMap(cell.X, cell.Y)) return false;
-				return float.PositiveInfinity;
-			
 			var type = self.World.GetTerrainType(cell);
-			return Info.TerrainTypes.Contains(type) ? 0f : float.PositiveInfinity;
+			return Info.TerrainTypes.Contains(type);
 		}
 
-		public float MovementSpeedForCell(Actor self, int2 cell) { return 1; }
-		public IEnumerable<float2> GetCurrentPath(Actor self) { return new float2[] {}; }
-
 		public void SetPosition(Actor self, int2 cell)
 		{
 			Location = cell;

OpenRA.Mods.RA/Effects/Parachute.cs

@@ -59,7 +59,7 @@ namespace OpenRA.Mods.RA.Effects
 						var loc = Traits.Util.CellContaining(location);
 						cargo.CancelActivity();
 						
-						var mobile = cargo.traits.WithInterface<IMove>().FirstOrDefault();
+						var mobile = cargo.traits.GetOrDefault<ITeleportable>();
 
 						if (mobile != null)
 							mobile.SetPosition(cargo, loc);

OpenRA.Mods.RA/ParaDrop.cs

@@ -67,9 +67,9 @@ namespace OpenRA.Mods.RA
 			}
 		}
 
-		bool IsSuitableCell(Actor self, int2 p)
+		bool IsSuitableCell(Actor actorToDrop, int2 p)
 		{
-			return self.traits.WithInterface<IMove>().FirstOrDefault().CanEnterCell(p);
+			return actorToDrop.traits.Get<ITeleportable>().CanEnterCell(p);
 		}
 
 		void FinishedDropping(Actor self)