Files
OpenRA/OpenRA.Game/Traits/Activities/CancelableActivity.cs
2011-04-16 12:50:13 +12:00

51 lines
1.1 KiB
C#
Executable File

#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;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace OpenRA.Traits.Activities
{
public class Activity
{
public Activity NextActivity { get; set; }
protected bool IsCanceled { get; private set; }
public virtual Activity Tick( Actor self )
{
return this;
}
protected virtual bool OnCancel( Actor self ) { return true; }
public void Cancel( Actor self )
{
IsCanceled = OnCancel( self );
if( IsCanceled )
NextActivity = null;
else if (NextActivity != null)
NextActivity.Cancel( self );
}
public virtual void Queue( Activity activity )
{
if( NextActivity != null )
NextActivity.Queue( activity );
else
NextActivity = activity;
}
public virtual IEnumerable<Target> GetTargetQueue( Actor self )
{
yield break;
}
}
}