board.h File Reference

#include "../defs.h"
#include "../test./validate.h"

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Functions
bool	isPieceListValid (const S_BOARD *pos)
	Validate that piece list array is consistent with board state.
bool	isBoardStateValid (const S_BOARD *pos)
	Performs a full internal consistency check of the board state.
void	updateListsMaterial (S_BOARD *pos)
	Update piece lists, material counts, and pawn bitboards from scratch.
int	loadFEN (char *fen, S_BOARD *pos)
	Parse a FEN string into the given board state.
void	resetBoardState (S_BOARD *pos)
	Reset board to empty state.
void	printBoardState (const S_BOARD *pos)
	Print the board to stdout in a human-readable format.
void	mirrorBoardPosition (S_BOARD *pos)
	Flip the board vertically, swapping colors and positions.

Function Documentation

isBoardStateValid()

bool isBoardStateValid ( const S_BOARD * pos )

extern

Performs a full internal consistency check of the board state.

Parameters

pos	Pointer to board state.

Returns

TRUE if board is valid, FALSE otherwise.

Definition at line 28 of file board.cpp.

References ASSERT, S_BOARD::bigPce, bK, BLACK, BOTH, bP, S_BOARD::castlePerm, CNT, S_BOARD::enPas, generatePositionKeys(), isBigPiece, isMajorPiece, isMinorPiece, isPieceListValid(), S_BOARD::KingSq, S_BOARD::majPce, S_BOARD::material, S_BOARD::minPce, NO_SQ, S_BOARD::pawns, S_BOARD::pceNum, pieceColor, S_BOARD::pieces, pieceValue, S_BOARD::pList, POP, S_BOARD::posKey, RANK_3, RANK_6, rankIndex120, S_BOARD::side, SQ120, TRUE, WHITE, wK, and wP.

Referenced by AddBlackPawnCapMove(), AddBlackPawnMove(), AddCaptureMove(), AddEnPassantMove(), AddQuietMove(), AddWhitePawnCapMove(), AddWhitePawnMove(), ClearPiece(), generateAllCaptures(), generateAllMoves(), isSquareAttacked(), makeMove(), makeNullMove(), mirrorBoardPosition(), parseMoveString(), Perft(), PerftTest(), takeMove(), and takeNullMove().

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isPieceListValid()

bool isPieceListValid ( const S_BOARD * pos )

extern

Validate that piece list array is consistent with board state.

Parameters

pos	Pointer to board state.

Returns

TRUE if list is valid, FALSE otherwise.

Definition at line 12 of file board.cpp.

References bK, FALSE, S_BOARD::pceNum, S_BOARD::pList, SqOnBoard(), wK, and wP.

Referenced by isBoardStateValid().

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loadFEN()

int loadFEN ( char * fen, S_BOARD * pos )

extern

Parse a FEN string into the given board state.

Parameters

fen	FEN string.
pos	Pointer to board state.

Returns

0 on success, -1 on failure.

Definition at line 146 of file board.cpp.

References ASSERT, bB, bK, BKCA, BLACK, bN, bP, bQ, BQCA, bR, S_BOARD::castlePerm, EMPTY, S_BOARD::enPas, FILE_A, FILE_H, FR2SQ, generatePositionKeys(), S_BOARD::pieces, S_BOARD::posKey, RANK_1, RANK_8, resetBoardState(), S_BOARD::side, SQ120, updateListsMaterial(), wB, WHITE, wK, WKCA, wN, wP, wQ, WQCA, and wR.

Referenced by main().

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mirrorBoardPosition()

void mirrorBoardPosition ( S_BOARD * pos )

extern

Flip the board vertically, swapping colors and positions.

Parameters

pos	Pointer to board state.

Definition at line 301 of file board.cpp.

References ASSERT, bB, bK, BKCA, bN, bP, bQ, BQCA, bR, S_BOARD::castlePerm, EMPTY, S_BOARD::enPas, generatePositionKeys(), isBoardStateValid(), Mirror64, NO_SQ, S_BOARD::pieces, S_BOARD::posKey, resetBoardState(), S_BOARD::side, SQ120, SQ64, updateListsMaterial(), wB, wK, WKCA, wN, wP, wQ, WQCA, and wR.

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printBoardState()

void printBoardState ( const S_BOARD * pos )

extern

Print the board to stdout in a human-readable format.

Parameters

pos	Pointer to board state.

Definition at line 272 of file board.cpp.

References BKCA, BQCA, S_BOARD::castlePerm, S_BOARD::enPas, FILE_A, FILE_H, FR2SQ, S_BOARD::pieces, pieceToCharacter, S_BOARD::posKey, RANK_1, RANK_8, S_BOARD::side, SideChar, WKCA, and WQCA.

Referenced by main(), and PerftTest().

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resetBoardState()

void resetBoardState ( S_BOARD * pos )

extern

Reset board to empty state.

Parameters

pos	Pointer to board state.

Definition at line 236 of file board.cpp.

References S_BOARD::bigPce, BLACK, BOTH, BRD_SQ_NUM, S_BOARD::castlePerm, EMPTY, S_BOARD::enPas, S_BOARD::fiftyMove, S_BOARD::hisPly, S_BOARD::KingSq, S_BOARD::majPce, S_BOARD::material, S_BOARD::minPce, NO_SQ, OFFBOARD, S_BOARD::pawns, S_BOARD::pceNum, S_BOARD::pieces, S_BOARD::ply, S_BOARD::posKey, S_BOARD::side, SQ120, and WHITE.

Referenced by loadFEN(), and mirrorBoardPosition().

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updateListsMaterial()

void updateListsMaterial ( S_BOARD * pos )

extern

Update piece lists, material counts, and pawn bitboards from scratch.

Parameters

pos	Pointer to board state.

Definition at line 112 of file board.cpp.

References ASSERT, S_BOARD::bigPce, bK, BLACK, BOTH, bP, BRD_SQ_NUM, EMPTY, isBigPiece, isMajorPiece, isMinorPiece, S_BOARD::KingSq, S_BOARD::majPce, S_BOARD::material, S_BOARD::minPce, OFFBOARD, S_BOARD::pawns, S_BOARD::pceNum, PceValidEmptyOffbrd(), pieceColor, S_BOARD::pieces, pieceValue, S_BOARD::pList, SETBIT, SideValid(), SQ64, TRUE, WHITE, wK, and wP.

Referenced by loadFEN(), and mirrorBoardPosition().

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