Files
OpenRA/OpenRA.Mods.RA/Air/Fly.cs
Paul Chote aa2f865d5d Convert Altitude to world coords.
Removes the obsolete AltitudeInit: use CenterPositionInit instead.
2013-12-26 17:25:07 +13:00

70 lines
1.9 KiB
C#
Executable File

#region Copyright & License Information
/*
* Copyright 2007-2013 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.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 void FlyToward(Actor self, Plane plane, int desiredFacing, WRange desiredAltitude)
{
var move = plane.FlyStep(plane.Facing);
var altitude = plane.CenterPosition.Z;
plane.Facing = Util.TickFacing(plane.Facing, desiredFacing, plane.ROT);
if (altitude != desiredAltitude.Range)
{
var delta = move.HorizontalLength * plane.Info.MaximumPitch.Tan() / 1024;
var dz = (desiredAltitude.Range - altitude).Clamp(-delta, delta);
move += new WVec(0, 0, dz);
}
plane.SetPosition(self, plane.CenterPosition + move);
}
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 plane = self.Trait<Plane>();
var desiredFacing = Util.GetFacing(d, plane.Facing);
// Don't turn until we've reached the cruise altitude
if (plane.CenterPosition.Z < plane.Info.CruiseAltitude.Range)
desiredFacing = plane.Facing;
FlyToward(self, plane, desiredFacing, plane.Info.CruiseAltitude);
return this;
}
public override IEnumerable<Target> GetTargets(Actor self)
{
yield return Target.FromPos(pos);
}
}
}