static int GetCaptureCastlingMask(int captureSquare, CastlingAvail status)
{
switch (captureSquare)
{
case Square.a1:
return(MovePackHelper.GetCastlingMerge((int)(status & CastlingAvail.QueenSideWhite)));
case Square.h1:
return(MovePackHelper.GetCastlingMerge((int)(status & CastlingAvail.KingSideWhite)));
case Square.a8:
return(MovePackHelper.GetCastlingMerge((int)(status & CastlingAvail.QueenSideBlack)));
case Square.h8:
return(MovePackHelper.GetCastlingMerge((int)(status & CastlingAvail.KingSideBlack)));
}
return(0);
}
public void SetBoard(string fen)
{
ZKey = 0;
if (fen == null)
{
throw new ArgumentNullException("fen");
}
InitPieceList();
ClearBoard();
string[] fenParts = fen.Trim().Split(' ');
whiteMaterialValue = 0;
blackMaterialValue = 0;
movesCount = 0;
CastlingStatus = CastlingAvail.None;
if (fenParts.Length != 6)
{
throw new Exception("Invalid fen:" + fen);
}
ParseParts(fenParts[0]);
ParseToMove(fenParts[1]);
ParseCastling(fenParts[2]);
ParseEnPassant(fenParts[3]);
if (false == int.TryParse(fenParts[4], out halfMoves))
{
throw new Exception("Half moves count cannot be parsed:" + fenParts[4]);
}
if (false == int.TryParse(fenParts[5], out movesCount))
{
throw new Exception("Moves count cannot be parsed:" + fenParts[5]);
}
if (movesCount < 1)
{
throw new Exception("Moves count less than 1:" + fenParts[5]);
}
}
