Files
OpenRA/OpenRA.Mods.RA/Activities/FindResources.cs

56 lines
1.7 KiB
C#
Executable File

#region Copyright & License Information
/*
* Copyright 2007-2011 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. For more information,
* see COPYING.
*/
#endregion
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using OpenRA.Traits;
using OpenRA.Traits.Activities;
using OpenRA.Mods.RA.Move;
namespace OpenRA.Mods.RA.Activities
{
public class FindResources : Activity
{
public override Activity Tick( Actor self )
{
if( IsCanceled || NextActivity != null) return NextActivity;
var harv = self.Trait<Harvester>();
if( harv.IsFull )
return Util.SequenceActivities( new DeliverResources(), NextActivity );
var mobileInfo = self.Info.Traits.Get<MobileInfo>();
var harvInfo = self.Info.Traits.Get<HarvesterInfo>();
var res = self.World.WorldActor.Trait<ResourceLayer>();
Func<int2, bool> canHarvest = loc => loc != self.Location &&
res.GetResource(loc) != null &&
harvInfo.Resources.Contains( res.GetResource(loc).info.Name );
var path = self.World.WorldActor.Trait<PathFinder>().FindPath(PathSearch.Search(self.World, mobileInfo, self.Owner, true)
.WithHeuristic(loc => canHarvest(loc) ? 0 : 1)
.FromPoint(self.Location));
if (path.Count == 0)
return NextActivity;
self.SetTargetLine(Target.FromCell(path[0]), Color.Red, false);
return Util.SequenceActivities( new MoveAdjacentTo(Target.FromCell(path[0])), new HarvestResource(self, path[0]), this );
}
public override IEnumerable<Target> GetTargets( Actor self )
{
yield return Target.FromPos(self.Location);
}
}
}