57 lines
2.0 KiB
C#
57 lines
2.0 KiB
C#
#region Copyright & License Information
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/*
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* Copyright (c) The OpenRA Developers and Contributors
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version. For more
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* information, see COPYING.
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*/
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#endregion
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using System;
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using OpenRA.Mods.Common.Traits;
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namespace OpenRA.Mods.Common.Pathfinder
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{
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/// <summary>
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/// A dense pathfinding graph that supports a search over all cells within a map.
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/// It implements the ability to cost and get connections for cells, and supports <see cref="ICustomMovementLayer"/>.
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/// </summary>
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sealed class MapPathGraph : DensePathGraph
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{
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readonly CellInfoLayerPool.PooledCellInfoLayer pooledLayer;
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readonly CellLayer<CellInfo>[] cellInfoForLayer;
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public MapPathGraph(CellInfoLayerPool layerPool, Locomotor locomotor, Actor actor, World world, BlockedByActor check,
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Func<CPos, int> customCost, Actor ignoreActor, bool laneBias, bool inReverse)
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: base(locomotor, actor, world, check, customCost, ignoreActor, laneBias, inReverse)
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{
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// As we support a search over the whole map area,
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// use the pool to grab the CellInfos we need to track the graph state.
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// This allows us to avoid the cost of allocating large arrays constantly.
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// PERF: Avoid LINQ
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pooledLayer = layerPool.Get();
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cellInfoForLayer = new CellLayer<CellInfo>[CustomMovementLayers.Length];
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cellInfoForLayer[0] = pooledLayer.GetLayer();
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foreach (var cml in CustomMovementLayers)
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if (cml != null && cml.EnabledForLocomotor(locomotor.Info))
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cellInfoForLayer[cml.Index] = pooledLayer.GetLayer();
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}
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public override CellInfo this[CPos pos]
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{
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get => cellInfoForLayer[pos.Layer][pos];
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set => cellInfoForLayer[pos.Layer][pos] = value;
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}
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protected override void Dispose(bool disposing)
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{
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if (disposing)
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pooledLayer.Dispose();
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base.Dispose(disposing);
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}
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}
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}
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