66 lines
2.2 KiB
C#
66 lines
2.2 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright 2007-2015 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 OpenRA.Activities;
|
|
using OpenRA.Mods.Common.Traits;
|
|
using OpenRA.Traits;
|
|
|
|
namespace OpenRA.Mods.Common.Activities
|
|
{
|
|
public class HeliAttack : Activity
|
|
{
|
|
readonly Target target;
|
|
readonly Helicopter helicopter;
|
|
readonly AttackHeli attackHeli;
|
|
readonly IEnumerable<AmmoPool> ammoPools;
|
|
|
|
public HeliAttack(Actor self, Target target)
|
|
{
|
|
this.target = target;
|
|
helicopter = self.Trait<Helicopter>();
|
|
attackHeli = self.Trait<AttackHeli>();
|
|
ammoPools = self.TraitsImplementing<AmmoPool>();
|
|
}
|
|
|
|
public override Activity Tick(Actor self)
|
|
{
|
|
if (IsCanceled || !target.IsValidFor(self))
|
|
return NextActivity;
|
|
|
|
// If all ammo pools are depleted and none reload automatically, return to helipad to reload and then move to next activity
|
|
// TODO: This should check whether there is ammo left that is actually suitable for the target
|
|
if (ammoPools != null && ammoPools.All(x => !x.Info.SelfReloads && !x.HasAmmo()))
|
|
return Util.SequenceActivities(new HeliReturn(self), NextActivity);
|
|
|
|
var dist = target.CenterPosition - self.CenterPosition;
|
|
|
|
// Can rotate facing while ascending
|
|
var desiredFacing = Util.GetFacing(dist, helicopter.Facing);
|
|
helicopter.Facing = Util.TickFacing(helicopter.Facing, desiredFacing, helicopter.ROT);
|
|
|
|
if (HeliFly.AdjustAltitude(self, helicopter, helicopter.Info.CruiseAltitude))
|
|
return this;
|
|
|
|
// Fly towards the target
|
|
// TODO: Fix that the helicopter won't do anything if it has multiple weapons with different ranges
|
|
// and the weapon with the longest range is out of ammo
|
|
if (!target.IsInRange(self.CenterPosition, attackHeli.GetMaximumRange()))
|
|
helicopter.SetPosition(self, helicopter.CenterPosition + helicopter.FlyStep(desiredFacing));
|
|
|
|
attackHeli.DoAttack(self, target);
|
|
|
|
return this;
|
|
}
|
|
}
|
|
}
|