/// <summary>
/// Gets the link piece from the specified direction.
/// </summary>
/// <returns>
/// The link piece.
/// </returns>
/// <param name='linkType'>
/// Link type.
/// </param>
/// <param name='applyFilter'>
/// Apply filter indicates if <see cref="CanBeLink"/> will be checked before returning the link.
/// If "applyFilter" is true and the link board piece "CanBeLink" property returns false then "null" will be returned.
/// </param>
protected Match3BoardPiece GetLinkPiece(LinkType linkType, bool applyFilter = false)
{
Match3BoardPiece link = null;
BoardCoord curPos = BoardPosition;
curPos.OffsetBy(Match3BoardPiece.linkOffsets[(int)linkType]);
if (curPos.row >= Board.NumRows || curPos.col >= Board.NumColumns || curPos.row < 0 || curPos.col < 0)
{
return(null);
}
link = Board[curPos] as Match3BoardPiece;
if (applyFilter)
{
return(link.CanBeLink ? link : null);
}
else
{
return(link);
}
}
