117 lines
3.5 KiB
C#
117 lines
3.5 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2020 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.Collections.Generic;
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using OpenRA.Activities;
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using OpenRA.Mods.Common.Traits;
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using OpenRA.Primitives;
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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 DeliverUnit : Activity
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{
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readonly Carryall carryall;
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readonly BodyOrientation body;
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readonly bool assignTargetOnFirstRun;
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readonly WDist deliverRange;
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Target destination;
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public DeliverUnit(Actor self, WDist deliverRange)
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: this(self, Target.Invalid, deliverRange)
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{
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assignTargetOnFirstRun = true;
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}
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public DeliverUnit(Actor self, Target destination, WDist deliverRange)
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{
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this.destination = destination;
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this.deliverRange = deliverRange;
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carryall = self.Trait<Carryall>();
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body = self.Trait<BodyOrientation>();
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}
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protected override void OnFirstRun(Actor self)
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{
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// In case this activity was queued (either via queued order of via AutoCarryall)
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// something might have happened to the cargo in the time between the activity being
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// queued and being run, so short out if it is no longer valid.
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if (carryall.Carryable == null)
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return;
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if (assignTargetOnFirstRun)
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destination = Target.FromCell(self.World, self.Location);
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QueueChild(new Land(self, destination, deliverRange));
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QueueChild(new Wait(carryall.Info.BeforeUnloadDelay, false));
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QueueChild(new ReleaseUnit(self));
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QueueChild(new TakeOff(self));
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}
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public override IEnumerable<TargetLineNode> TargetLineNodes(Actor self)
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{
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yield return new TargetLineNode(destination, Color.Yellow);
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}
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class ReleaseUnit : Activity
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{
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readonly Carryall carryall;
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readonly BodyOrientation body;
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readonly IFacing facing;
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public ReleaseUnit(Actor self)
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{
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facing = self.Trait<IFacing>();
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carryall = self.Trait<Carryall>();
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body = self.Trait<BodyOrientation>();
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}
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protected override void OnFirstRun(Actor self)
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{
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self.Trait<Aircraft>().RemoveInfluence();
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var localOffset = carryall.CarryableOffset.Rotate(body.QuantizeOrientation(self, self.Orientation));
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var targetPosition = self.CenterPosition + body.LocalToWorld(localOffset);
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var targetLocation = self.World.Map.CellContaining(targetPosition);
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carryall.Carryable.Trait<IPositionable>().SetPosition(carryall.Carryable, targetLocation, SubCell.FullCell);
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// HACK: directly manipulate the turret facings to match the new orientation
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// This can eventually go away, when we make turret facings relative to the body
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var carryableFacing = carryall.Carryable.Trait<IFacing>();
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var facingDelta = facing.Facing - carryableFacing.Facing;
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foreach (var t in carryall.Carryable.TraitsImplementing<Turreted>())
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t.TurretFacing += facingDelta;
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carryableFacing.Facing = facing.Facing;
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// Put back into world
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self.World.AddFrameEndTask(w =>
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{
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if (self.IsDead)
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return;
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var cargo = carryall.Carryable;
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if (cargo == null)
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return;
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var carryable = cargo.Trait<Carryable>();
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w.Add(cargo);
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carryall.DetachCarryable(self);
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carryable.UnReserve(cargo);
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carryable.Detached(cargo);
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});
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}
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}
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}
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}
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