Files
OpenRA/OpenRA.Game/Traits/Activities/CancelableActivity.cs

49 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 abstract class CancelableActivity : IActivity
{
protected IActivity NextActivity { get; private set; }
protected bool IsCanceled { get; private set; }
public abstract IActivity Tick( Actor self );
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 void Queue( IActivity activity )
{
if( NextActivity != null )
NextActivity.Queue( activity );
else
NextActivity = activity;
}
public virtual IEnumerable<float2> GetCurrentPath()
{
yield break;
}
}
}