Files
OpenRA/OpenRA.Mods.RA/Air/Fly.cs
2013-07-21 17:30:58 +12:00

65 lines
1.8 KiB
C#
Executable File

#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 System;
using System.Collections.Generic;
using OpenRA.Traits;
namespace OpenRA.Mods.RA.Air
{
public class Fly : Activity
{
readonly WPos pos;
Fly(WPos pos) { this.pos = pos; }
public static Fly ToPos(WPos pos) { return new Fly(pos); }
public static Fly ToCell(CPos pos) { return new Fly(pos.CenterPosition); }
public override Activity Tick(Actor self)
{
if (IsCanceled)
return NextActivity;
// Close enough (ported from old code which checked length against sqrt(50) px)
var d = pos - self.CenterPosition;
if (d.HorizontalLengthSquared < 91022)
return NextActivity;
var aircraft = self.Trait<Aircraft>();
var cruiseAltitude = self.Info.Traits.Get<PlaneInfo>().CruiseAltitude;
var desiredFacing = Util.GetFacing(d, aircraft.Facing);
if (aircraft.Altitude == cruiseAltitude)
aircraft.Facing = Util.TickFacing(aircraft.Facing, desiredFacing, aircraft.ROT);
if (aircraft.Altitude < cruiseAltitude)
++aircraft.Altitude;
FlyUtil.Fly(self, cruiseAltitude);
return this;
}
public override IEnumerable<Target> GetTargets(Actor self)
{
yield return Target.FromPos(pos);
}
}
public static class FlyUtil
{
public static void Fly(Actor self, int desiredAltitude)
{
var aircraft = self.Trait<Aircraft>();
aircraft.TickMove(PSubPos.PerPx * aircraft.MovementSpeed, aircraft.Facing);
aircraft.Altitude += Math.Sign(desiredAltitude - aircraft.Altitude);
}
}
}