/*
* This dumps a string that looks like:
*
* +---------------+
* 8|r . b . . r k .|
* 7|. . . . n p p p|
* 6|p . . . p . . .|
* 5|. . q p P . . .|
* 4|. . . . . . . .|
* 3|. . N . . N . .|
* 2|P P . . . P P P|
* 1|. . R Q . R K .|
* A B C D E F G H
*
* - or -
*
* +---------------+
* 8|♜ . ♝ . . ♜ ♚ .|
* 7|. . . . ♞ ♟ ♟ ♟|
* 6|♟ . . . ♟ . . .|
* 5|. . ♛ ♟ ♙ . . .|
* 4|. . . . . . . .|
* 3|. . ♘ . . ♘ . .|
* 2|♙ ♙ . . . ♙ ♙ ♙|
* 1|. . ♖ ♕ . ♖ ♔ .|
* A B C D E F G H
*
*/
private static string BoardToStr(Position b, bool unicode = false)
{
StringBuilder sb = new StringBuilder();
sb.AppendLine(" +---------------+");
for (int rank = 7; rank >= 0; rank--)
{
sb.Append($" {rank + 1}|");
for (int file = 0; file < 8; file++)
{
var(color, pieceType) = b.GetPiece(Position.IxFromFileRank(file, rank));
char pieceDisplay = '.';
if (pieceType != PieceType.None)
{
if (unicode)
{
pieceDisplay = BoardParsing.UnicodePieceFromPieceTypeColor(pieceType, color);
}
else
{
pieceDisplay = BoardParsing.LetterFromPieceTypeColor(pieceType, color);
}
}
sb.Append(pieceDisplay);
if (file < 7)
{
sb.Append(" ");
}
}
sb.AppendLine("|");
}
sb.Append(" ");
for (int file = 0; file < 8; file++)
{
sb.Append($"{(char)('A' + file)} ");
}
return(sb.ToString());
}
public static void Dump(Position position, bool unicode = false)
{
foreach (var color in new[] { Color.White, Color.Black })
{
for (PieceType pieceType = 0; pieceType < PieceType.Count; pieceType++)
{
Dump($"{color} {pieceType}:");
Dump(position.GetPieceBitboard(color, pieceType));
}
}
Dump();
Dump(BoardToStr(position, unicode));
Dump("");
string enPassant = BoardParsing.SquareStrFromValue(position.EnPassant);
string castling = BoardParsing.CastlingStrFromValue(position.CastlingRights);
Dump($"Side to move: {position.SideToMove}; Move#: {position.FullMove}; Castling: {castling}; En Passant: {enPassant}; 50 move counter: {position.FiftyMoveCounter}");
Dump($"Zobrist hash: 0x{position.ZobristHash:X16}");
Dump(BoardParsing.FenStringFromBoard(position));
}
public static void Dump(Move move)
{
Dump(BoardParsing.NaiveSanStringFromMove(move));
}