65 lines
1.7 KiB
C#
65 lines
1.7 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2021 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, either version 3 of
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* the License, or (at your option) any later version. For more
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* information, see COPYING.
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*/
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#endregion
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using OpenRA.Activities;
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using OpenRA.Mods.Common.Traits;
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namespace OpenRA.Mods.Common.Activities
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{
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public class FlyForward : Activity
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{
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readonly Aircraft aircraft;
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readonly WDist cruiseAltitude;
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readonly int flyTicks;
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int remainingDistance;
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int ticks;
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FlyForward(Actor self)
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{
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aircraft = self.Trait<Aircraft>();
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cruiseAltitude = aircraft.Info.CruiseAltitude;
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}
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public FlyForward(Actor self, int ticks = -1)
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: this(self)
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{
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flyTicks = ticks;
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}
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public FlyForward(Actor self, WDist distance)
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: this(self)
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{
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remainingDistance = distance.Length;
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}
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public override bool Tick(Actor self)
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{
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// Refuse to take off if it would land immediately again.
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if (aircraft.ForceLanding)
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{
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Cancel(self);
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return true;
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}
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// Having flyTicks < 0 is valid and means the actor flies until this activity is canceled
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if (IsCanceling || (flyTicks > 0 && ticks++ >= flyTicks) || (flyTicks == 0 && remainingDistance <= 0))
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return true;
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// FlyTick moves the aircraft while FlyStep calculates how far we are moving
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if (remainingDistance != 0)
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remainingDistance -= aircraft.FlyStep(aircraft.Facing).HorizontalLength;
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Fly.FlyTick(self, aircraft, aircraft.Facing, cruiseAltitude);
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return false;
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}
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}
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}
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