55 lines
1.4 KiB
C#
55 lines
1.4 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2019 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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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Activities
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{
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public class FlyFollow : Activity
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{
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Target target;
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Aircraft aircraft;
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WDist minRange;
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WDist maxRange;
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public FlyFollow(Actor self, Target target, WDist minRange, WDist maxRange)
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{
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this.target = target;
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aircraft = self.Trait<Aircraft>();
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this.minRange = minRange;
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this.maxRange = maxRange;
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}
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public override Activity 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 NextActivity;
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}
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if (IsCanceled || !target.IsValidFor(self))
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return NextActivity;
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if (target.IsInRange(self.CenterPosition, maxRange) && !target.IsInRange(self.CenterPosition, minRange))
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{
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Fly.FlyToward(self, aircraft, aircraft.Facing, aircraft.Info.CruiseAltitude);
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return this;
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}
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return ActivityUtils.SequenceActivities(new Fly(self, target, minRange, maxRange), this);
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}
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}
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}
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