private static GameState CreateGameState(string board, Colour toPlay, StateFlag castlingRights, SquareFlag enPassantSquare, int halfTurnCounter, int fullMoveNumber)
{
var ranks = ExpandBoardString(board);
var squares = GetSquaresStates(ranks);
var whitePawns = (SquareFlag)0;
var whiteRooks = (SquareFlag)0;
var whiteKnights = (SquareFlag)0;
var whiteBishops = (SquareFlag)0;
var whiteQueens = (SquareFlag)0;
var whiteKing = (SquareFlag)0;
var blackPawns = (SquareFlag)0;
var blackRooks = (SquareFlag)0;
var blackKnights = (SquareFlag)0;
var blackBishops = (SquareFlag)0;
var blackQueens = (SquareFlag)0;
var blackKing = (SquareFlag)0;
foreach (var square in squares)
{
if (square.Colour == Colour.None)
{
continue;
}
if (square.Colour == Colour.White)
{
switch (square.Type)
{
case PieceType.Pawn: whitePawns |= square.Square;
break;
case PieceType.Rook: whiteRooks |= square.Square;
break;
case PieceType.Knight: whiteKnights |= square.Square;
break;
case PieceType.Bishop: whiteBishops |= square.Square;
break;
case PieceType.Queen: whiteQueens |= square.Square;
break;
case PieceType.King: whiteKing |= square.Square;
break;
}
}
else
{
switch (square.Type)
{
case PieceType.Pawn: blackPawns |= square.Square;
break;
case PieceType.Rook: blackRooks |= square.Square;
break;
case PieceType.Knight: blackKnights |= square.Square;
break;
case PieceType.Bishop: blackBishops |= square.Square;
break;
case PieceType.Queen: blackQueens |= square.Square;
break;
case PieceType.King: blackKing |= square.Square;
break;
}
}
}
return(new GameState(
0,
toPlay,
halfTurnCounter,
fullMoveNumber,
castlingRights.HasFlag(StateFlag.WhiteCanCastleKingSide),
castlingRights.HasFlag(StateFlag.WhiteCanCastleQueenSide),
castlingRights.HasFlag(StateFlag.BlackCanCastleKingSide),
castlingRights.HasFlag(StateFlag.BlackCanCastleKingSide),
whitePawns,
whiteRooks,
whiteKnights,
whiteBishops,
whiteQueens,
whiteKing,
blackPawns,
blackRooks,
blackKnights,
blackBishops,
blackQueens,
blackKing,
enPassantSquare));
}
