73 lines
2.0 KiB
C#
73 lines
2.0 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2016 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 System.Linq;
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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 ResupplyAircraft : Activity
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{
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readonly Aircraft aircraft;
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Activity inner;
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public ResupplyAircraft(Actor self)
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{
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aircraft = self.Trait<Aircraft>();
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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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if (inner == null)
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{
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var host = aircraft.GetActorBelow();
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if (host == null)
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return NextActivity;
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if (aircraft.IsPlane)
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{
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inner = ActivityUtils.SequenceActivities(
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aircraft.GetResupplyActivities(host)
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.Append(new CallFunc(() => aircraft.MayYieldReservation = true))
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.Append(new WaitFor(() => NextActivity != null || aircraft.ReservedActor == null))
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.ToArray());
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}
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else
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{
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// Helicopters should take off from their helipad immediately after resupplying.
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// HACK: NextActivity needs to be appended here because otherwise TakeOff does stupid things.
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inner = ActivityUtils.SequenceActivities(
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aircraft.GetResupplyActivities(host).Append(new TakeOff(self)).Append(NextActivity).ToArray());
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}
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}
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else
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inner = ActivityUtils.RunActivity(self, inner);
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// The inner == NextActivity check is needed here because of the TakeOff issue mentioned in the comment above.
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return inner == null || inner == NextActivity ? NextActivity : this;
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}
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public override void Cancel(Actor self)
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{
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if (!IsCanceled && inner != null)
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inner.Cancel(self);
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base.Cancel(self);
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}
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}
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}
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