Files
OpenRA/OpenRA.Mods.RA/Buildings/BuildingInfluence.cs
Matthias Mailänder 3c3f85a272 add documentation
2014-07-03 09:05:22 +02:00

64 lines
1.5 KiB
C#
Executable File

#region Copyright & License Information
/*
* Copyright 2007-2014 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 OpenRA.Traits;
namespace OpenRA.Mods.RA.Buildings
{
[Desc("A dictionary of buildings placed on the map. Attach this to the world actor.")]
public class BuildingInfluenceInfo : ITraitInfo
{
public object Create(ActorInitializer init) { return new BuildingInfluence(init.world); }
}
public class BuildingInfluence
{
CellLayer<Actor> influence;
Map map;
public BuildingInfluence(World world)
{
map = world.Map;
influence = new CellLayer<Actor>(map);
world.ActorAdded += a =>
{
var b = a.TraitOrDefault<Building>();
if (b == null)
return;
foreach (var u in FootprintUtils.Tiles(map.Rules, a.Info.Name, b.Info, a.Location))
if (map.Contains(u) && influence[u] == null)
influence[u] = a;
};
world.ActorRemoved += a =>
{
var b = a.TraitOrDefault<Building>();
if (b == null)
return;
foreach (var u in FootprintUtils.Tiles(map.Rules, a.Info.Name, b.Info, a.Location))
if (map.Contains(u) && influence[u] == a)
influence[u] = null;
};
}
public Actor GetBuildingAt(CPos cell)
{
if (!map.Contains(cell))
return null;
return influence[cell];
}
}
}