69 lines
1.8 KiB
C#
69 lines
1.8 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2021 The OpenRA Developers (see AUTHORS)
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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 System.Collections;
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using System.Collections.Generic;
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using OpenRA.Primitives;
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namespace OpenRA
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{
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public abstract class CellLayerBase<T> : IEnumerable<T>
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{
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public readonly Size Size;
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public readonly MapGridType GridType;
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protected readonly T[] entries;
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protected readonly Rectangle bounds;
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public CellLayerBase(Map map)
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: this(map.Grid.Type, new Size(map.MapSize.X, map.MapSize.Y)) { }
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public CellLayerBase(MapGridType gridType, Size size)
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{
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Size = size;
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bounds = new Rectangle(0, 0, Size.Width, Size.Height);
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GridType = gridType;
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entries = new T[size.Width * size.Height];
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}
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public virtual void CopyValuesFrom(CellLayerBase<T> anotherLayer)
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{
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if (Size != anotherLayer.Size || GridType != anotherLayer.GridType)
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throw new ArgumentException("Layers must have a matching size and shape (grid type).", nameof(anotherLayer));
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Array.Copy(anotherLayer.entries, entries, entries.Length);
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}
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/// <summary>Clears the layer contents with their default value</summary>
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public virtual void Clear()
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{
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Array.Clear(entries, 0, entries.Length);
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}
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/// <summary>Clears the layer contents with a known value</summary>
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public virtual void Clear(T clearValue)
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{
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Array.Fill(entries, clearValue);
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}
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public IEnumerator<T> GetEnumerator()
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{
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return ((IEnumerable<T>)entries).GetEnumerator();
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}
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IEnumerator IEnumerable.GetEnumerator()
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{
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return GetEnumerator();
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}
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}
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}
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