Move generator functions. More...

#include <chessboard.h>

Collaboration diagram for hoover_chess_utils::pgn_reader::MoveGenFunctions:

Public Attributes
Move(*	generateSingleMoveForPawnAndDestNoCapture )(const ChessBoard &board, SquareSet srcSqMask, Square dst) noexcept
	Generates a legal non-promoting, non-capturing pawn move with a known destination square.

Move(*	generateSingleMoveForPawnAndDestCapture )(const ChessBoard &board, SquareSet srcSqMask, Square dst) noexcept
	Generates a legal non-promoting, capturing pawn move with a known destination square.

Move(*	generateSingleMoveForPawnAndDestPromoNoCapture )(const ChessBoard &board, SquareSet srcSqMask, Square dst, Piece promo) noexcept
	Generates a legal promoting, non-capturing pawn move with a known destination square.

Move(*	generateSingleMoveForPawnAndDestPromoCapture )(const ChessBoard &board, SquareSet srcSqMask, Square dst, Piece promo) noexcept
	Generates a legal promoting, capturing pawn move with a known destination square.

Move(*	generateSingleMoveForKnightAndDest )(const ChessBoard &board, SquareSet srcSqMask, Square dst) noexcept
	Generates a legal knight move with a known destination square. May be capturing.

Move(*	generateSingleMoveForBishopAndDest )(const ChessBoard &board, SquareSet srcSqMask, Square dst) noexcept
	Generates a legal bishop move with a known destination square. May be capturing.

Move(*	generateSingleMoveForRookAndDest )(const ChessBoard &board, SquareSet srcSqMask, Square dst) noexcept
	Generates a legal rook move with a known destination square. May be capturing.

Move(*	generateSingleMoveForQueenAndDest )(const ChessBoard &board, SquareSet srcSqMask, Square dst) noexcept
	Generates a legal queen move with a known destination square. May be capturing.

Move(*	generateSingleMoveForKingAndDest )(const ChessBoard &board, SquareSet srcSqMask, Square dst) noexcept
	Generates a legal king move with a known destination square. May be capturing.

Move(*	generateSingleMoveForShortCastling )(const ChessBoard &board) noexcept
	Generates a legal short castling move.

Move(*	generateSingleMoveForLongCastling )(const ChessBoard &board) noexcept
	Generates a legal long castling move.

std::size_t(*	generateMovesForPawnAndDestNoCapture )(const ChessBoard &board, ShortMoveList &moves, SquareSet srcSqMask, Square dst) noexcept
	Generates a list of legal non-promoting, non-capturing pawn moves with a known destination square.

std::size_t(*	generateMovesForPawnAndDestCapture )(const ChessBoard &board, ShortMoveList &moves, SquareSet srcSqMask, Square dst) noexcept
	Generates a list of legal non-promoting, capturing pawn moves with a known destination square.

std::size_t(*	generateMovesForPawnAndDestPromoNoCapture )(const ChessBoard &board, ShortMoveList &moves, SquareSet srcSqMask, Square dst, Piece promo) noexcept
	Generates a list of legal promoting, non-capturing pawn moves with a known destination square.

std::size_t(*	generateMovesForPawnAndDestPromoCapture )(const ChessBoard &board, ShortMoveList &moves, SquareSet srcSqMask, Square dst, Piece promo) noexcept
	Generates a list of legal promoting, capturing pawn moves with a known destination square.

std::size_t(*	generateMovesForKnightAndDest )(const ChessBoard &board, ShortMoveList &moves, SquareSet srcSqMask, Square dst) noexcept
	Generates a list of legal knight moves with a known destination square. May be capturing.

std::size_t(*	generateMovesForBishopAndDest )(const ChessBoard &board, ShortMoveList &moves, SquareSet srcSqMask, Square dst) noexcept
	Generates a list of legal bishop moves with a known destination square. May be capturing.

std::size_t(*	generateMovesForRookAndDest )(const ChessBoard &board, ShortMoveList &moves, SquareSet srcSqMask, Square dst) noexcept
	Generates a list of legal rook moves with a known destination square. May be capturing.

std::size_t(*	generateMovesForQueenAndDest )(const ChessBoard &board, ShortMoveList &moves, SquareSet srcSqMask, Square dst) noexcept
	Generates a list of legal queen moves with a known destination square. May be capturing.

std::size_t(*	generateMovesForKingAndDest )(const ChessBoard &board, ShortMoveList &moves, SquareSet srcSqMask, Square dst) noexcept
	Generates a list of legal king moves with a known destination square. May be capturing.

std::size_t(*	generateMovesForShortCastling )(const ChessBoard &board, ShortMoveList &moves) noexcept
	Generates the short castling move in a list, if legal.

std::size_t(*	generateMovesForLongCastling )(const ChessBoard &board, ShortMoveList &moves) noexcept
	Generates the long castling move in a list, if legal.

std::size_t(*	generateMoves )(const ChessBoard &board, MoveList &moves) noexcept
	Generates a list of all legal moves for the current position.

std::size_t(*	getNumberOfLegalMoves )(const ChessBoard &board) noexcept
	Returns the number of legal moves for the current position. This function is mostly useful for calculating the moves in perft leaf positions.

bool(*	hasLegalMoves )(const ChessBoard &board) noexcept
	Determines whether there are any legal moves function is mostly useful for calculating the moves in perft leaf positions.

Detailed Description

Move generator functions.

Member Data Documentation

◆ generateMoves

std::size_t(* hoover_chess_utils::pgn_reader::MoveGenFunctions::generateMoves) (const ChessBoard &board, MoveList &moves) noexcept

noexcept

Generates a list of all legal moves for the current position.

Parameters

[in] moves Caller-allocated move list

Returns: Number of moves added in the move list

◆ generateMovesForBishopAndDest

std::size_t(* hoover_chess_utils::pgn_reader::MoveGenFunctions::generateMovesForBishopAndDest) (const ChessBoard &board, ShortMoveList &moves, SquareSet srcSqMask, Square dst) noexcept

noexcept

Generates a list of legal bishop moves with a known destination square. May be capturing.

Parameters

[in]	board	The chess board
[out]	moves	List of returned moves
[in]	srcSqMask	Allowed source squares
[in]	dst	Destination square

Returns: Number of returned moves

◆ generateMovesForKingAndDest

std::size_t(* hoover_chess_utils::pgn_reader::MoveGenFunctions::generateMovesForKingAndDest) (const ChessBoard &board, ShortMoveList &moves, SquareSet srcSqMask, Square dst) noexcept

noexcept

Generates a list of legal king moves with a known destination square. May be capturing.

Parameters

[in]	board	The chess board
[out]	moves	List of returned moves
[in]	srcSqMask	Allowed source squares
[in]	dst	Destination square

Returns: Number of returned moves

◆ generateMovesForKnightAndDest

std::size_t(* hoover_chess_utils::pgn_reader::MoveGenFunctions::generateMovesForKnightAndDest) (const ChessBoard &board, ShortMoveList &moves, SquareSet srcSqMask, Square dst) noexcept

noexcept

Generates a list of legal knight moves with a known destination square. May be capturing.

Parameters

[in]	board	The chess board
[out]	moves	List of returned moves
[in]	srcSqMask	Allowed source squares
[in]	dst	Destination square

Returns: Number of returned moves

◆ generateMovesForLongCastling

std::size_t(* hoover_chess_utils::pgn_reader::MoveGenFunctions::generateMovesForLongCastling) (const ChessBoard &board, ShortMoveList &moves) noexcept

noexcept

Generates the long castling move in a list, if legal.

Parameters

[in]	board	The chess board
[out]	moves	List of returned moves

Returns: Number of returned moves

◆ generateMovesForPawnAndDestCapture

std::size_t(* hoover_chess_utils::pgn_reader::MoveGenFunctions::generateMovesForPawnAndDestCapture) (const ChessBoard &board, ShortMoveList &moves, SquareSet srcSqMask, Square dst) noexcept

noexcept

Generates a list of legal non-promoting, capturing pawn moves with a known destination square.

Parameters

[in]	board	The chess board
[out]	moves	List of returned moves
[in]	srcSqMask	Allowed source squares
[in]	dst	Destination square

Returns: Number of returned moves

◆ generateMovesForPawnAndDestNoCapture

std::size_t(* hoover_chess_utils::pgn_reader::MoveGenFunctions::generateMovesForPawnAndDestNoCapture) (const ChessBoard &board, ShortMoveList &moves, SquareSet srcSqMask, Square dst) noexcept

noexcept

Generates a list of legal non-promoting, non-capturing pawn moves with a known destination square.

Parameters

[in]	board	The chess board
[out]	moves	List of returned moves
[in]	srcSqMask	Allowed source squares
[in]	dst	Destination square

Returns: Number of returned moves

◆ generateMovesForPawnAndDestPromoCapture

std::size_t(* hoover_chess_utils::pgn_reader::MoveGenFunctions::generateMovesForPawnAndDestPromoCapture) (const ChessBoard &board, ShortMoveList &moves, SquareSet srcSqMask, Square dst, Piece promo) noexcept

noexcept

Generates a list of legal promoting, capturing pawn moves with a known destination square.

Parameters

[in]	board	The chess board
[out]	moves	List of returned moves
[in]	srcSqMask	Allowed source squares
[in]	dst	Destination square
[in]	promo	Promotion piece

Returns: Number of returned moves

◆ generateMovesForPawnAndDestPromoNoCapture

std::size_t(* hoover_chess_utils::pgn_reader::MoveGenFunctions::generateMovesForPawnAndDestPromoNoCapture) (const ChessBoard &board, ShortMoveList &moves, SquareSet srcSqMask, Square dst, Piece promo) noexcept

noexcept

Generates a list of legal promoting, non-capturing pawn moves with a known destination square.

Parameters

[in]	board	The chess board
[out]	moves	List of returned moves
[in]	srcSqMask	Allowed source squares
[in]	dst	Destination square
[in]	promo	Promotion piece

Returns: Number of returned moves

◆ generateMovesForQueenAndDest

std::size_t(* hoover_chess_utils::pgn_reader::MoveGenFunctions::generateMovesForQueenAndDest) (const ChessBoard &board, ShortMoveList &moves, SquareSet srcSqMask, Square dst) noexcept

noexcept

Generates a list of legal queen moves with a known destination square. May be capturing.

Parameters

[in]	board	The chess board
[out]	moves	List of returned moves
[in]	srcSqMask	Allowed source squares
[in]	dst	Destination square

Returns: Number of returned moves

◆ generateMovesForRookAndDest

std::size_t(* hoover_chess_utils::pgn_reader::MoveGenFunctions::generateMovesForRookAndDest) (const ChessBoard &board, ShortMoveList &moves, SquareSet srcSqMask, Square dst) noexcept

noexcept

Generates a list of legal rook moves with a known destination square. May be capturing.

Parameters

[in]	board	The chess board
[out]	moves	List of returned moves
[in]	srcSqMask	Allowed source squares
[in]	dst	Destination square

Returns: Number of returned moves

◆ generateMovesForShortCastling

std::size_t(* hoover_chess_utils::pgn_reader::MoveGenFunctions::generateMovesForShortCastling) (const ChessBoard &board, ShortMoveList &moves) noexcept

noexcept

Generates the short castling move in a list, if legal.

Parameters

[in]	board	The chess board
[out]	moves	List of returned moves

Returns: Number of returned moves

◆ generateSingleMoveForBishopAndDest

Move(* hoover_chess_utils::pgn_reader::MoveGenFunctions::generateSingleMoveForBishopAndDest) (const ChessBoard &board, SquareSet srcSqMask, Square dst) noexcept

noexcept

Generates a legal bishop move with a known destination square. May be capturing.

Parameters

[in]	board	The chess board
[in]	srcSqMask	Allowed source squares
[in]	dst	Destination square

Returns: Move. In case a move was not found or it was ambiguous, Move::isIllegal() returns true.

◆ generateSingleMoveForKingAndDest

Move(* hoover_chess_utils::pgn_reader::MoveGenFunctions::generateSingleMoveForKingAndDest) (const ChessBoard &board, SquareSet srcSqMask, Square dst) noexcept

noexcept

Generates a legal king move with a known destination square. May be capturing.

Parameters

[in]	board	The chess board
[in]	srcSqMask	Allowed source squares
[in]	dst	Destination square

Returns: Move. In case a move was not found or it was ambiguous, Move::isIllegal() returns true.

◆ generateSingleMoveForKnightAndDest

Move(* hoover_chess_utils::pgn_reader::MoveGenFunctions::generateSingleMoveForKnightAndDest) (const ChessBoard &board, SquareSet srcSqMask, Square dst) noexcept

noexcept

Generates a legal knight move with a known destination square. May be capturing.

Parameters

[in]	board	The chess board
[in]	srcSqMask	Allowed source squares
[in]	dst	Destination square

Returns: Move. In case a move was not found or it was ambiguous, Move::isIllegal() returns true.

◆ generateSingleMoveForLongCastling

Move(* hoover_chess_utils::pgn_reader::MoveGenFunctions::generateSingleMoveForLongCastling) (const ChessBoard &board) noexcept

noexcept

Generates a legal long castling move.

Returns: Move. In case a move was not found or it was ambiguous, Move::isIllegal() returns true.

◆ generateSingleMoveForPawnAndDestCapture

Move(* hoover_chess_utils::pgn_reader::MoveGenFunctions::generateSingleMoveForPawnAndDestCapture) (const ChessBoard &board, SquareSet srcSqMask, Square dst) noexcept

noexcept

Generates a legal non-promoting, capturing pawn move with a known destination square.

Parameters

[in]	board	The chess board
[in]	srcSqMask	Allowed source squares
[in]	dst	Destination square

Returns: Move. In case a move was not found or it was ambiguous, Move::isIllegal() returns true.

◆ generateSingleMoveForPawnAndDestNoCapture

Move(* hoover_chess_utils::pgn_reader::MoveGenFunctions::generateSingleMoveForPawnAndDestNoCapture) (const ChessBoard &board, SquareSet srcSqMask, Square dst) noexcept

noexcept

Generates a legal non-promoting, non-capturing pawn move with a known destination square.

Parameters

[in]	board	The chess board
[in]	srcSqMask	Allowed source squares
[in]	dst	Destination square

Returns: Move. In case a move was not found or it was ambiguous, Move::isIllegal() returns true.

◆ generateSingleMoveForPawnAndDestPromoCapture

Move(* hoover_chess_utils::pgn_reader::MoveGenFunctions::generateSingleMoveForPawnAndDestPromoCapture) (const ChessBoard &board, SquareSet srcSqMask, Square dst, Piece promo) noexcept

noexcept

Generates a legal promoting, capturing pawn move with a known destination square.

Parameters

[in]	board	The chess board
[in]	srcSqMask	Allowed source squares
[in]	dst	Destination square
[in]	promo	Promotion piece

Returns: Move. In case a move was not found or it was ambiguous, Move::isIllegal() returns true.

◆ generateSingleMoveForPawnAndDestPromoNoCapture

Move(* hoover_chess_utils::pgn_reader::MoveGenFunctions::generateSingleMoveForPawnAndDestPromoNoCapture) (const ChessBoard &board, SquareSet srcSqMask, Square dst, Piece promo) noexcept

noexcept

Generates a legal promoting, non-capturing pawn move with a known destination square.

Parameters

[in]	board	The chess board
[in]	srcSqMask	Allowed source squares
[in]	dst	Destination square
[in]	promo	Promotion piece

Returns: Move. In case a move was not found or it was ambiguous, Move::isIllegal() returns true.

◆ generateSingleMoveForQueenAndDest

Move(* hoover_chess_utils::pgn_reader::MoveGenFunctions::generateSingleMoveForQueenAndDest) (const ChessBoard &board, SquareSet srcSqMask, Square dst) noexcept

noexcept

Generates a legal queen move with a known destination square. May be capturing.

Parameters

[in]	board	The chess board
[in]	srcSqMask	Allowed source squares
[in]	dst	Destination square

Returns: Move. In case a move was not found or it was ambiguous, Move::isIllegal() returns true.

◆ generateSingleMoveForRookAndDest

Move(* hoover_chess_utils::pgn_reader::MoveGenFunctions::generateSingleMoveForRookAndDest) (const ChessBoard &board, SquareSet srcSqMask, Square dst) noexcept

noexcept

Generates a legal rook move with a known destination square. May be capturing.

Parameters

[in]	board	The chess board
[in]	srcSqMask	Allowed source squares
[in]	dst	Destination square

Returns: Move. In case a move was not found or it was ambiguous, Move::isIllegal() returns true.

◆ generateSingleMoveForShortCastling

Move(* hoover_chess_utils::pgn_reader::MoveGenFunctions::generateSingleMoveForShortCastling) (const ChessBoard &board) noexcept

noexcept

Generates a legal short castling move.

Returns: Move. In case a move was not found or it was ambiguous, Move::isIllegal() returns true.

◆ getNumberOfLegalMoves

std::size_t(* hoover_chess_utils::pgn_reader::MoveGenFunctions::getNumberOfLegalMoves) (const ChessBoard &board) noexcept

noexcept

Returns the number of legal moves for the current position. This function is mostly useful for calculating the moves in perft leaf positions.

Parameters

[in] board The chess board

Returns: Number of legal moves

See also: https://www.chessprogramming.org/Perft

◆ hasLegalMoves

bool(* hoover_chess_utils::pgn_reader::MoveGenFunctions::hasLegalMoves) (const ChessBoard &board) noexcept

noexcept

Determines whether there are any legal moves function is mostly useful for calculating the moves in perft leaf positions.

Returns: Whether legal moves exist

The documentation for this struct was generated from the following file:

pgn-reader/include/chessboard.h

Public Attributes

Detailed Description

Member Data Documentation

◆ generateMoves

◆ generateMovesForBishopAndDest

◆ generateMovesForKingAndDest

◆ generateMovesForKnightAndDest

◆ generateMovesForLongCastling

◆ generateMovesForPawnAndDestCapture

◆ generateMovesForPawnAndDestNoCapture

◆ generateMovesForPawnAndDestPromoCapture

◆ generateMovesForPawnAndDestPromoNoCapture

◆ generateMovesForQueenAndDest

◆ generateMovesForRookAndDest

◆ generateMovesForShortCastling

◆ generateSingleMoveForBishopAndDest

◆ generateSingleMoveForKingAndDest

◆ generateSingleMoveForKnightAndDest

◆ generateSingleMoveForLongCastling

◆ generateSingleMoveForPawnAndDestCapture

◆ generateSingleMoveForPawnAndDestNoCapture

◆ generateSingleMoveForPawnAndDestPromoCapture

◆ generateSingleMoveForPawnAndDestPromoNoCapture

◆ generateSingleMoveForQueenAndDest

◆ generateSingleMoveForRookAndDest

◆ generateSingleMoveForShortCastling

◆ getNumberOfLegalMoves

◆ hasLegalMoves