Files
OpenRA/OpenRA.Mods.TS/Traits/Buildings/LowBridge.cs
2016-09-18 10:07:51 +02:00

73 lines
2.1 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2016 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, either version 3 of
* the License, or (at your option) any later version. For more
* information, see COPYING.
*/
#endregion
using System.Collections.Generic;
using OpenRA.Graphics;
using OpenRA.Mods.Common.Traits;
using OpenRA.Primitives;
using OpenRA.Traits;
namespace OpenRA.Mods.TS.Traits
{
[Desc("Bridge actor that can't be passed underneath.")]
class LowBridgeInfo : ITraitInfo, Requires<BuildingInfo>
{
public readonly string TerrainType = "Bridge";
public object Create(ActorInitializer init) { return new LowBridge(init.Self, this); }
}
class LowBridge : INotifyAddedToWorld, INotifyRemovedFromWorld
{
readonly LowBridgeInfo info;
readonly IEnumerable<CPos> cells;
public LowBridge(Actor self, LowBridgeInfo info)
{
this.info = info;
var buildingInfo = self.Info.TraitInfo<BuildingInfo>();
cells = FootprintUtils.PathableTiles(self.Info.Name, buildingInfo, self.Location);
}
void UpdateTerrain(Actor self, byte terrainIndex)
{
foreach (var cell in cells)
self.World.Map.CustomTerrain[cell] = terrainIndex;
var domainIndex = self.World.WorldActor.TraitOrDefault<DomainIndex>();
if (domainIndex != null)
domainIndex.UpdateCells(self.World, cells);
}
void INotifyAddedToWorld.AddedToWorld(Actor self)
{
var tileSet = self.World.Map.Rules.TileSet;
var terrainIndex = tileSet.GetTerrainIndex(info.TerrainType);
UpdateTerrain(self, terrainIndex);
}
void KillUnitsOnBridge(Actor self)
{
foreach (var c in cells)
foreach (var a in self.World.ActorMap.GetActorsAt(c))
if (a.Info.HasTraitInfo<IPositionableInfo>() && !a.Trait<IPositionable>().CanEnterCell(c))
a.Kill(self);
}
void INotifyRemovedFromWorld.RemovedFromWorld(Actor self)
{
UpdateTerrain(self, byte.MaxValue);
KillUnitsOnBridge(self);
}
}
}