/// <summary>
/// Initializes a new instance of the <see cref="MaskedExtent" /> class with the specified extent and mask.
/// </summary>
/// <param name="extent">The extent to wrap, which must not be <c>null</c>.</param>
/// <param name="mask">The mask to use, which must not be <c>null</c>.</param>
/// <exception cref="ArgumentNullException"><paramref name="mask" /> is <c>null</c>.</exception>
public MaskedExtent([NotNull] Extent extent, [NotNull] Mask mask) : base(extent)
{
_mask = mask ?? throw new ArgumentNullException(nameof(mask));
}
/// <inheritdoc /> public override bool SetTile(Vector position, Tile tile) => _mask.Test(Extent, position) && Extent.SetTile(position, tile);
/// <summary>
/// Initializes a new instance of the <see cref="LimitedExtent" /> class with the specified extent and limit.
/// </summary>
/// <param name="extent">The extent to wrap, which must not be <c>null</c>.</param>
/// <param name="limit">The limit on the number of tiles that can be set. A negative value indicates no limit.</param>
public LimitedExtent([NotNull] Extent extent, int limit) : base(extent)
{
_limit = limit;
}