Files
OpenRA/OpenRA.Game/Traits/Activity.cs
2013-11-12 19:39:33 +13:00

54 lines
1.2 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2011 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 COPYING.
*/
#endregion
using System.Collections.Generic;
using System.Linq;
namespace OpenRA.Traits
{
public abstract class Activity
{
public Activity NextActivity { get; set; }
protected bool IsCanceled { get; private set; }
public abstract Activity Tick( Actor self );
public virtual void Cancel( Actor self )
{
IsCanceled = true;
NextActivity = null;
}
public virtual void Queue( Activity activity )
{
if( NextActivity != null )
NextActivity.Queue( activity );
else
NextActivity = activity;
}
public virtual IEnumerable<Target> GetTargets( Actor self )
{
yield break;
}
}
public static class ActivityExts
{
public static IEnumerable<Target> GetTargetQueue( this Actor self )
{
return self.GetCurrentActivity()
.Iterate( u => u.NextActivity )
.TakeWhile( u => u != null )
.SelectMany( u => u.GetTargets( self ) );
}
}
}