64 lines
1.5 KiB
C#
64 lines
1.5 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright 2007-2015 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.Common.Traits
|
|
{
|
|
[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];
|
|
}
|
|
}
|
|
}
|