Files
OpenRA/OpenRA.Game/Map/CellLayerBase.cs
2023-01-11 11:58:54 +02:00

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