Files
OpenRA/OpenRA.Mods.Common/Pathfinder/MapPathGraph.cs
2023-01-11 11:58:54 +02:00

57 lines
2.0 KiB
C#

#region Copyright & License Information
/*
* Copyright (c) The OpenRA Developers and Contributors
* 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;
using OpenRA.Mods.Common.Traits;
namespace OpenRA.Mods.Common.Pathfinder
{
/// <summary>
/// A dense pathfinding graph that supports a search over all cells within a map.
/// It implements the ability to cost and get connections for cells, and supports <see cref="ICustomMovementLayer"/>.
/// </summary>
sealed class MapPathGraph : DensePathGraph
{
readonly CellInfoLayerPool.PooledCellInfoLayer pooledLayer;
readonly CellLayer<CellInfo>[] cellInfoForLayer;
public MapPathGraph(CellInfoLayerPool layerPool, Locomotor locomotor, Actor actor, World world, BlockedByActor check,
Func<CPos, int> customCost, Actor ignoreActor, bool laneBias, bool inReverse)
: base(locomotor, actor, world, check, customCost, ignoreActor, laneBias, inReverse)
{
// As we support a search over the whole map area,
// use the pool to grab the CellInfos we need to track the graph state.
// This allows us to avoid the cost of allocating large arrays constantly.
// PERF: Avoid LINQ
pooledLayer = layerPool.Get();
cellInfoForLayer = new CellLayer<CellInfo>[CustomMovementLayers.Length];
cellInfoForLayer[0] = pooledLayer.GetLayer();
foreach (var cml in CustomMovementLayers)
if (cml != null && cml.EnabledForLocomotor(locomotor.Info))
cellInfoForLayer[cml.Index] = pooledLayer.GetLayer();
}
public override CellInfo this[CPos pos]
{
get => cellInfoForLayer[pos.Layer][pos];
set => cellInfoForLayer[pos.Layer][pos] = value;
}
protected override void Dispose(bool disposing)
{
if (disposing)
pooledLayer.Dispose();
base.Dispose(disposing);
}
}
}