ParaDrop.cs

class ParaDropOrderGenerator : IOrderGenerator
	{
		Actor self;

		public ParaDropOrderGenerator(Actor self) { this.self = self; }

		public IEnumerable<Order> Order(World world, CPos xy, MouseInput mi)
		{
			if (mi.Button == Game.mouseButtonPreference.Action)
				yield return new Order("DoParadrop", self, false) { TargetLocation = xy };
		}

		public void Tick(World world) { }

		public IEnumerable<IRenderable> Render(WorldRenderer wr, World world) { yield break; }

		public void RenderAfterWorld(WorldRenderer wr, World world)	{ }

		public string GetCursor(World world, CPos xy, MouseInput mi) { return "attack"; }
	}

	class ParadropOrderTargeter : IOrderTargeter
	{
		public bool CanTarget(Actor self, Target target, List<Actor> othersAtTarget, TargetModifiers modifiers, ref string cursor)
		{
			if (target.Type != TargetType.Terrain)
				return false;

			var location = self.World.Map.CellContaining(target.CenterPosition);
			if (!self.World.Map.Contains(location))
				return false;

			// No passengers can unload here
			if (!self.Trait<ParaDrop>().Cargo.Passengers
				.Any(p => p.Trait<IPositionable>().CanEnterCell(location)))
				return false;

			cursor = "attack";

			return !othersAtTarget.Any() && modifiers.HasModifier(TargetModifiers.ForceAttack);
		}

		public string OrderID { get { return "DoParadrop"; } }
		public int OrderPriority { get { return 5; } }

		public bool IsQueued { get { return false; } }
	}