73 lines
2.3 KiB
C#
73 lines
2.3 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2017 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;
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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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class EnterTransport : Enter
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{
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readonly Passenger passenger;
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readonly int maxTries;
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Actor transport;
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Cargo cargo;
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public EnterTransport(Actor self, Actor transport, int maxTries = 0, bool targetCenter = false)
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: base(self, transport, EnterBehaviour.Exit, maxTries, targetCenter)
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{
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this.transport = transport;
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this.maxTries = maxTries;
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cargo = transport.Trait<Cargo>();
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passenger = self.Trait<Passenger>();
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}
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protected override void Unreserve(Actor self, bool abort) { passenger.Unreserve(self); }
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protected override bool CanReserve(Actor self) { return cargo.Unloading || cargo.CanLoad(transport, self); }
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protected override ReserveStatus Reserve(Actor self)
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{
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var status = base.Reserve(self);
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if (status != ReserveStatus.Ready)
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return status;
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if (passenger.Reserve(self, cargo))
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return ReserveStatus.Ready;
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return ReserveStatus.Pending;
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}
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protected override void OnInside(Actor self)
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{
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self.World.AddFrameEndTask(w =>
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{
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if (self.IsDead || transport.IsDead || !cargo.CanLoad(transport, self))
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return;
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cargo.Load(transport, self);
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w.Remove(self);
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});
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Done(self);
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}
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protected override bool TryGetAlternateTarget(Actor self, int tries, ref Target target)
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{
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if (tries > maxTries)
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return false;
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var type = target.Actor.Info.Name;
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return TryGetAlternateTargetInCircle(
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self, passenger.Info.AlternateTransportScanRange,
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t => { transport = t.Actor; cargo = t.Actor.Trait<Cargo>(); }, // update transport and cargo
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a => { var c = a.TraitOrDefault<Cargo>(); return c != null && c.Info.Types.Contains(passenger.Info.CargoType) && (c.Unloading || c.CanLoad(a, self)); },
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new Func<Actor, bool>[] { a => a.Info.Name == type }); // Prefer transports of the same type
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}
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}
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}
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