58 lines
1.3 KiB
C#
58 lines
1.3 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 OpenRA.Primitives;
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namespace OpenRA
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{
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public sealed class ProjectedCellLayer<T> : CellLayerBase<T>
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{
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public int MaxIndex => Size.Width * Size.Height;
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public ProjectedCellLayer(Map map)
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: base(map) { }
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public ProjectedCellLayer(MapGridType gridType, Size size)
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: base(gridType, size) { }
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// Resolve an array index from map coordinates.
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public int Index(PPos uv)
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{
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return uv.V * Size.Width + uv.U;
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}
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public PPos PPosFromIndex(int index)
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{
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return new PPos(index % Size.Width, index / Size.Width);
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}
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public T this[int index]
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{
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get => Entries[index];
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set => Entries[index] = value;
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}
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/// <summary>Gets or sets the layer contents using projected map coordinates.</summary>
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public T this[PPos uv]
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{
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get => Entries[Index(uv)];
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set => Entries[Index(uv)] = value;
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}
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public bool Contains(PPos uv)
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{
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return Bounds.Contains(uv.U, uv.V);
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}
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}
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}
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