65 lines
1.7 KiB
C#
Executable File
65 lines
1.7 KiB
C#
Executable File
#region Copyright & License Information
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/*
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* Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see COPYING.
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*/
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#endregion
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using System;
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using System.Collections.Generic;
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using OpenRA.Traits;
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namespace OpenRA.Mods.RA.Air
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{
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public class Fly : Activity
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{
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public readonly PPos Pos;
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Fly(PPos px) { Pos = px; }
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public static Fly ToPx( PPos px ) { return new Fly( px ); }
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public static Fly ToCell(CPos pos) { return new Fly(Util.CenterOfCell(pos)); }
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public override Activity Tick(Actor self)
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{
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var cruiseAltitude = self.Info.Traits.Get<PlaneInfo>().CruiseAltitude;
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if (IsCanceled) return NextActivity;
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var d = Pos - self.CenterLocation;
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if (d.LengthSquared < 50) /* close enough */
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return NextActivity;
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var aircraft = self.Trait<Aircraft>();
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var desiredFacing = Util.GetFacing(d.ToInt2(), aircraft.Facing);
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if (aircraft.Altitude == cruiseAltitude)
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aircraft.Facing = Util.TickFacing(aircraft.Facing, desiredFacing, aircraft.ROT);
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if (aircraft.Altitude < cruiseAltitude)
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++aircraft.Altitude;
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FlyUtil.Fly(self, cruiseAltitude);
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return this;
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}
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public override IEnumerable<Target> GetTargets( Actor self )
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{
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yield return Target.FromPos(Pos);
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}
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}
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public static class FlyUtil
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{
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public static void Fly(Actor self, int desiredAltitude )
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{
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var aircraft = self.Trait<Aircraft>();
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aircraft.TickMove( PSubPos.PerPx * aircraft.MovementSpeed, aircraft.Facing );
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aircraft.Altitude += Math.Sign(desiredAltitude - aircraft.Altitude);
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}
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}
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}
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