public static string GetFenSnippet(this GameBoardData gameBoardData)
{
var resultBuilder = new StringBuilder();
GetFenSnippet(gameBoardData, resultBuilder);
return(resultBuilder.ToString());
}
public bool IsSamePosition([NotNull] GameBoardData other)
{
if (other is null)
{
throw new ArgumentNullException(nameof(other));
}
return(PiecePosition.IsSamePosition(other.PiecePosition));
}
private GameBoardData([NotNull] GameBoardData other)
{
if (other is null)
{
throw new ArgumentNullException(nameof(other));
}
PiecePosition = other.PiecePosition.Copy();
_undoMoveDatas = new Stack <MakeMoveData>();
}
public static void GetFenSnippet(this GameBoardData gameBoardData, StringBuilder resultBuilder)
{
if (gameBoardData is null)
{
throw new ArgumentNullException(nameof(gameBoardData));
}
if (resultBuilder is null)
{
throw new ArgumentNullException(nameof(resultBuilder));
}
var emptySquareCount = new ValueContainer <int>(0);
void WriteEmptySquareCount()
{
//// ReSharper disable once InvertIf
if (emptySquareCount.Value > 0)
{
resultBuilder.Append(emptySquareCount.Value);
emptySquareCount.Value = 0;
}
}
for (var rank = ChessConstants.RankCount - 1; rank >= 0; rank--)
{
if (rank < ChessConstants.RankCount - 1)
{
resultBuilder.Append(ChessConstants.FenRankSeparator);
}
for (var file = 0; file < ChessConstants.FileCount; file++)
{
var square = new Square(file, rank);
var piece = gameBoardData.PiecePosition[square];
if (piece == Piece.None)
{
emptySquareCount.Value++;
continue;
}
WriteEmptySquareCount();
var fenChar = piece.GetFenChar();
resultBuilder.Append(fenChar);
}
WriteEmptySquareCount();
}
}
