70 lines
1.9 KiB
C#
70 lines
1.9 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace OpenRa.Game.Traits.Activities
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{
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class UnloadCargo : IActivity
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{
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public IActivity NextActivity { get; set; }
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bool isCanceled;
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int2? ChooseExitTile(Actor self)
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{
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// is anyone still hogging this tile?
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if (Game.UnitInfluence.GetUnitsAt(self.Location).Count() > 1)
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return null;
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for (var i = -1; i < 2; i++)
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for (var j = -1; j < 2; j++)
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if ((i != 0 || j != 0) &&
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Game.IsCellBuildable(self.Location + new int2(i, j),
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UnitMovementType.Foot))
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return self.Location + new int2(i, j);
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return null;
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}
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public IActivity Tick(Actor self)
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{
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if (isCanceled) return NextActivity;
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// if we're a thing that can turn, turn to the
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// right facing for the unload animation
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var unit = self.traits.GetOrDefault<Unit>();
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if (unit != null && unit.Facing != self.LegacyInfo.UnloadFacing)
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return new Turn(self.LegacyInfo.UnloadFacing) { NextActivity = this };
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// todo: handle the BS of open/close sequences, which are inconsistent,
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// for reasons that probably make good sense to the westwood guys.
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var cargo = self.traits.Get<Cargo>();
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if (cargo.IsEmpty(self))
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return NextActivity;
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var ru = self.traits.WithInterface<RenderUnit>().FirstOrDefault();
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if (ru != null)
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ru.PlayCustomAnimation(self, "unload", null);
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var exitTile = ChooseExitTile(self);
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if (exitTile == null)
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return this;
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var actor = cargo.Unload(self);
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Game.world.AddFrameEndTask(w =>
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{
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w.Add(actor);
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actor.traits.Get<Mobile>().TeleportTo(actor, self.Location);
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actor.CancelActivity();
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actor.QueueActivity(new Move(exitTile.Value, 0));
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});
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return this;
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}
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public void Cancel(Actor self) { NextActivity = null; isCanceled = true; }
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}
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}
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