88 lines
2.7 KiB
C#
88 lines
2.7 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
|
|
* This file is part of OpenRA.
|
|
*
|
|
* OpenRA is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* OpenRA is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with OpenRA. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#endregion
|
|
|
|
using System.Linq;
|
|
|
|
namespace OpenRA.Traits.Activities
|
|
{
|
|
public class UnloadCargo : IActivity
|
|
{
|
|
public IActivity NextActivity { get; set; }
|
|
bool isCanceled;
|
|
|
|
int2? ChooseExitTile(Actor self)
|
|
{
|
|
// is anyone still hogging this tile?
|
|
if (self.World.WorldActor.traits.Get<UnitInfluence>().GetUnitsAt(self.Location).Count() > 1)
|
|
return null;
|
|
|
|
for (var i = -1; i < 2; i++)
|
|
for (var j = -1; j < 2; j++)
|
|
if ((i != 0 || j != 0) &&
|
|
self.World.IsPathableCell(self.Location + new int2(i, j),
|
|
UnitMovementType.Foot))
|
|
return self.Location + new int2(i, j);
|
|
|
|
return null;
|
|
}
|
|
|
|
public IActivity Tick(Actor self)
|
|
{
|
|
if (isCanceled) return NextActivity;
|
|
|
|
// if we're a thing that can turn, turn to the
|
|
// right facing for the unload animation
|
|
var unit = self.traits.GetOrDefault<Unit>();
|
|
var unloadFacing = self.Info.Traits.Get<CargoInfo>().UnloadFacing;
|
|
if (unit != null && unit.Facing != unloadFacing)
|
|
return new Turn(unloadFacing) { NextActivity = this };
|
|
|
|
// todo: handle the BS of open/close sequences, which are inconsistent,
|
|
// for reasons that probably make good sense to the westwood guys.
|
|
|
|
var cargo = self.traits.Get<Cargo>();
|
|
if (cargo.IsEmpty(self))
|
|
return NextActivity;
|
|
|
|
var ru = self.traits.GetOrDefault<RenderUnit>();
|
|
if (ru != null)
|
|
ru.PlayCustomAnimation(self, "unload", null);
|
|
|
|
var exitTile = ChooseExitTile(self);
|
|
if (exitTile == null)
|
|
return this;
|
|
|
|
var actor = cargo.Unload(self);
|
|
|
|
self.World.AddFrameEndTask(w =>
|
|
{
|
|
w.Add(actor);
|
|
actor.traits.Get<Mobile>().TeleportTo(actor, self.Location);
|
|
actor.CancelActivity();
|
|
actor.QueueActivity(new Move(exitTile.Value, 0));
|
|
});
|
|
|
|
return this;
|
|
}
|
|
|
|
public void Cancel(Actor self) { NextActivity = null; isCanceled = true; }
|
|
}
|
|
}
|