#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 OpenRA.Traits;

namespace OpenRA.Mods.RA.Activities
{
	class RepairBuilding : IActivity
	{
		Actor target;

		public RepairBuilding(Actor target) { this.target = target; }

		public IActivity NextActivity { get; set; }

		public IActivity Tick(Actor self)
		{
			if (target == null || target.IsDead()) return NextActivity;
			var health = target.Trait<Health>();
			if (health.DamageState == DamageState.Undamaged)
				return NextActivity;
			
			target.InflictDamage(self, -health.MaxHP, null);			
			self.World.AddFrameEndTask(w => w.Remove(self));

			return NextActivity;
		}

		public void Cancel(Actor self) { target = null; NextActivity = null; }
	}
}