Files
OpenRA/OpenRA.Mods.RA/Activities/Follow.cs
2010-07-18 16:48:21 +12:00

48 lines
1.0 KiB
C#

#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;
using OpenRA.Traits.Activities;
namespace OpenRA.Mods.RA.Activities
{
public class Follow : IActivity
{
Actor Target;
int Range;
public Follow(Actor target, int range)
{
Target = target;
Range = range;
}
public IActivity NextActivity { get; set; }
public IActivity Tick( Actor self )
{
if (Target == null || Target.IsDead)
return NextActivity;
var inRange = ( Target.Location - self.Location ).LengthSquared < Range * Range;
if( !inRange )
return new Move( Target, Range ) { NextActivity = this };
return this;
}
public void Cancel(Actor self)
{
Target = null;
}
}
}