101 lines
2.7 KiB
C#
101 lines
2.7 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright 2007-2016 The OpenRA Developers (see AUTHORS)
|
|
* This file is part of OpenRA, which is free software. It is made
|
|
* available to you 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. For more
|
|
* information, see COPYING.
|
|
*/
|
|
#endregion
|
|
|
|
using System.Collections.Generic;
|
|
using System.Drawing;
|
|
using System.Linq;
|
|
using OpenRA.Activities;
|
|
using OpenRA.Mods.Common.Traits;
|
|
using OpenRA.Primitives;
|
|
using OpenRA.Traits;
|
|
|
|
namespace OpenRA.Mods.Common.Activities
|
|
{
|
|
public class UnloadCargo : Activity
|
|
{
|
|
readonly Actor self;
|
|
readonly Cargo cargo;
|
|
readonly Cloak cloak;
|
|
readonly bool unloadAll;
|
|
|
|
public UnloadCargo(Actor self, bool unloadAll)
|
|
{
|
|
this.self = self;
|
|
cargo = self.Trait<Cargo>();
|
|
cloak = self.TraitOrDefault<Cloak>();
|
|
this.unloadAll = unloadAll;
|
|
}
|
|
|
|
public Pair<CPos, SubCell>? ChooseExitSubCell(Actor passenger)
|
|
{
|
|
var pos = passenger.Trait<IPositionable>();
|
|
|
|
return cargo.CurrentAdjacentCells
|
|
.Shuffle(self.World.SharedRandom)
|
|
.Select(c => Pair.New(c, pos.GetAvailableSubCell(c)))
|
|
.Cast<Pair<CPos, SubCell>?>()
|
|
.FirstOrDefault(s => s.Value.Second != SubCell.Invalid);
|
|
}
|
|
|
|
IEnumerable<CPos> BlockedExitCells(Actor passenger)
|
|
{
|
|
var pos = passenger.Trait<IPositionable>();
|
|
|
|
// Find the cells that are blocked by transient actors
|
|
return cargo.CurrentAdjacentCells
|
|
.Where(c => pos.CanEnterCell(c, null, true) != pos.CanEnterCell(c, null, false));
|
|
}
|
|
|
|
public override Activity Tick(Actor self)
|
|
{
|
|
cargo.Unloading = false;
|
|
if (IsCanceled || cargo.IsEmpty(self))
|
|
return NextActivity;
|
|
|
|
if (cloak != null && cloak.Info.UncloakOn.HasFlag(UncloakType.Unload))
|
|
cloak.Uncloak();
|
|
|
|
var actor = cargo.Peek(self);
|
|
var spawn = self.CenterPosition;
|
|
|
|
var exitSubCell = ChooseExitSubCell(actor);
|
|
if (exitSubCell == null)
|
|
{
|
|
self.NotifyBlocker(BlockedExitCells(actor));
|
|
|
|
return ActivityUtils.SequenceActivities(new Wait(10), this);
|
|
}
|
|
|
|
cargo.Unload(self);
|
|
self.World.AddFrameEndTask(w =>
|
|
{
|
|
if (actor.Disposed)
|
|
return;
|
|
|
|
var move = actor.Trait<IMove>();
|
|
var pos = actor.Trait<IPositionable>();
|
|
|
|
actor.CancelActivity();
|
|
pos.SetVisualPosition(actor, spawn);
|
|
actor.QueueActivity(move.MoveIntoWorld(actor, exitSubCell.Value.First, exitSubCell.Value.Second));
|
|
actor.SetTargetLine(Target.FromCell(w, exitSubCell.Value.First, exitSubCell.Value.Second), Color.Green, false);
|
|
w.Add(actor);
|
|
});
|
|
|
|
if (!unloadAll || cargo.IsEmpty(self))
|
|
return NextActivity;
|
|
|
|
cargo.Unloading = true;
|
|
return this;
|
|
}
|
|
}
|
|
}
|