Files
OpenRA/OpenRA.Game/Traits/Activities/DeliverOre.cs
2010-03-28 16:56:13 +13:00

99 lines
2.9 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 DeliverOre : IActivity
{
public IActivity NextActivity { get; set; }
bool isDocking;
Actor refinery;
public DeliverOre() { }
public DeliverOre( Actor refinery )
{
this.refinery = refinery;
}
Actor ChooseRefinery(Actor self)
{
var mobile = self.traits.Get<Mobile>();
var search = new PathSearch(self.World)
{
heuristic = PathSearch.DefaultEstimator(self.Location),
umt = mobile.GetMovementType(),
checkForBlocked = false,
};
var refineries = self.World.Queries.OwnedBy[self.Owner]
.Where(x => x.traits.Contains<IAcceptOre>())
.ToList();
if (refinery != null)
search.AddInitialCell(self.World, refinery.Location + refinery.traits.Get<IAcceptOre>().DeliverOffset);
else
foreach (var r in refineries)
search.AddInitialCell(self.World, r.Location + r.traits.Get<IAcceptOre>().DeliverOffset);
var path = self.World.PathFinder.FindPath(search);
path.Reverse();
if (path.Count != 0)
return refineries.FirstOrDefault(x => x.Location + x.traits.Get<IAcceptOre>().DeliverOffset == path[0]);
else
return null;
}
public IActivity Tick( Actor self )
{
var mobile = self.traits.Get<Mobile>();
if( NextActivity != null )
return NextActivity;
if( refinery != null && refinery.IsDead )
refinery = null;
if( refinery == null || self.Location != refinery.Location + refinery.traits.Get<IAcceptOre>().DeliverOffset )
{
refinery = ChooseRefinery(self);
if (refinery == null)
return new Wait(10) { NextActivity = this };
return new Move(refinery.Location + refinery.traits.Get<IAcceptOre>().DeliverOffset, 0) { NextActivity = this };
}
else if (!isDocking)
{
isDocking = true;
refinery.traits.Get<IAcceptOre>().OnDock(self, this);
}
return new Wait(10) { NextActivity = this };
}
public void Cancel(Actor self)
{
// TODO: allow canceling of deliver orders?
}
}
}