Files
OpenRA/OpenRA.Mods.RA/Activities/Attack.cs
2010-08-14 17:39:49 +12:00

62 lines
1.6 KiB
C#
Executable File

#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.Mods.RA.Render;
using OpenRA.Traits;
using OpenRA.Traits.Activities;
namespace OpenRA.Mods.RA.Activities
{
/* non-turreted attack */
public class Attack : IActivity
{
Target Target;
int Range;
public Attack(Target target, int range)
{
Target = target;
Range = range;
}
public IActivity NextActivity { get; set; }
public IActivity Tick( Actor self )
{
var facing = self.Trait<IFacing>();
if (!Target.IsValid)
return NextActivity;
var targetCell = Util.CellContaining(Target.CenterLocation);
if ((targetCell - self.Location).LengthSquared >= Range * Range)
return new Move( Target, Range ) { NextActivity = this };
var desiredFacing = Util.GetFacing((targetCell - self.Location).ToFloat2(), 0);
var renderUnit = self.TraitOrDefault<RenderUnit>();
var numDirs = (renderUnit != null)
? renderUnit.anim.CurrentSequence.Facings : 8;
if (Util.QuantizeFacing(facing.Facing, numDirs)
!= Util.QuantizeFacing(desiredFacing, numDirs))
{
return new Turn( desiredFacing ) { NextActivity = this };
}
var attack = self.Trait<AttackBase>();
attack.target = Target;
attack.DoAttack(self);
return this;
}
public void Cancel(Actor self) { Target = Target.None; }
}
}