Files
OpenRA/OpenRA.Mods.RA/Activities/Follow.cs
2013-07-10 20:03:53 +12:00

47 lines
1.1 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 OpenRA.Traits;
using OpenRA.Mods.RA.Move;
namespace OpenRA.Mods.RA.Activities
{
public class Follow : Activity
{
Target target;
WRange range;
int nextPathTime;
const int delayBetweenPathingAttempts = 20;
const int delaySpread = 5;
public Follow(Target target, WRange range)
{
this.target = target;
this.range = range;
}
public override Activity Tick(Actor self)
{
if (IsCanceled || !target.IsValid)
return NextActivity;
if (target.IsInRange(self.CenterPosition, range) || --nextPathTime > 0)
return this;
nextPathTime = self.World.SharedRandom.Next(delayBetweenPathingAttempts - delaySpread,
delayBetweenPathingAttempts + delaySpread);
var mobile = self.Trait<Mobile>();
return Util.SequenceActivities(mobile.MoveWithinRange(target, range), this);
}
}
}