Files
OpenRA/OpenRA.Game/Traits/Activities/CancelableActivity.cs
2011-04-16 12:57:55 +12:00

51 lines
1.1 KiB
C#
Executable File

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 virtual 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> 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 ) );
}
}
}