70 lines
2.0 KiB
C#
Executable File
70 lines
2.0 KiB
C#
Executable File
#region Copyright & License Information
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/*
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* Copyright 2007-2013 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.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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class HeliFly : Activity
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{
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readonly WPos pos;
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public HeliFly(WPos pos) { this.pos = pos; }
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public HeliFly(CPos pos) { this.pos = pos.CenterPosition; }
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public static bool AdjustAltitude(Actor self, Helicopter helicopter, WRange targetAltitude)
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{
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var altitude = helicopter.CenterPosition.Z;
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if (altitude == targetAltitude.Range)
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return false;
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var delta = helicopter.Info.AltitudeVelocity.Range;
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var dz = (targetAltitude.Range - altitude).Clamp(-delta, delta);
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helicopter.SetPosition(self, helicopter.CenterPosition + new WVec(0, 0, dz));
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return true;
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}
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public override Activity Tick(Actor self)
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{
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if (IsCanceled)
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return NextActivity;
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var helicopter = self.Trait<Helicopter>();
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if (AdjustAltitude(self, helicopter, helicopter.Info.CruiseAltitude))
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return this;
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// Rotate towards the target
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var dist = pos - self.CenterPosition;
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var desiredFacing = Util.GetFacing(dist, helicopter.Facing);
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helicopter.Facing = Util.TickFacing(helicopter.Facing, desiredFacing, helicopter.ROT);
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// The next move would overshoot, so just set the final position
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var move = helicopter.FlyStep(desiredFacing);
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if (dist.HorizontalLengthSquared < move.HorizontalLengthSquared)
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{
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helicopter.SetPosition(self, pos + new WVec(0, 0, helicopter.Info.CruiseAltitude.Range - pos.Z));
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return NextActivity;
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}
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helicopter.SetPosition(self, helicopter.CenterPosition + move);
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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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}
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