Files
OpenRA/OpenRa.Game/Traits/Activities/DeliverOre.cs
2010-02-05 11:02:32 +13:00

73 lines
1.8 KiB
C#

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;
}
public IActivity Tick( Actor self )
{
var unit = self.traits.Get<Unit>();
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 )
{
var search = new PathSearch
{
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 )
{
refinery = refineries.FirstOrDefault(x => x.Location + x.traits.Get<IAcceptOre>().DeliverOffset == path[0]);
return new Move( () => path ) { NextActivity = this };
}
else
// no refineries reachable?
return this;
}
else if (!isDocking)
{
isDocking = true;
refinery.traits.Get<IAcceptOre>().OnDock(self, this);
}
return this;
}
public void Cancel(Actor self)
{
// TODO: allow canceling of deliver orders?
}
}
}