#include <board.h>

Inheritance diagram for bBoard:

Collaboration diagram for bBoard:

Public Member Functions
	bBoard (bBoard &&b) noexcept
	Used when Push board on gamestack (playGameMove)

	bBoard (bBoard const &b)
	Used by bPgnMove ctor, popuplateMoveList, atLeastOneMovePossible movesinpgnformat.

	bBoard (bBoard const &b, movenum_t const moveid)
	Create copy of board with move applied on it, clear fields that reflect state before move is played used by CalcBestMove.

	bBoard (bBoard const &b, bMove const &m)
	Create copy of board with move applied on it, clear fields that reflect state before move is played, used for SearchPerft::CalcBestMove, add..MoveIfValid.

	bBoard (bBoard const &b, bMove &m)
	Create copy of board with move applied on it, clear fields that reflect state before move is played, used for playGameMove and applyMove Signature difference in const only!!

	bBoard (bFen const &fen)
	used by setFENInitialPos

	~bBoard () override

bBoard &	operator= (bBoard const &)=delete

bBoard &	operator= (bBoard &&)=delete

	operator std::string () const

bool	atLeastOneMovePossible () const
	see if at least one move can be played e.g.

bMoveList &	getMoveListRef ()
	return reference to movelist

bMove const &	getMove (movenum_t const moveid) const

void	calcPieces ()

void	calcGameStage ()
	calculate pieces

bool	isNonSilent () const
	calculate gamestage

void	setNonSilent ()

bool	isCapture () const

void	setCapture (piece_t const p, case_t const c) override
	set non-silent flag, store captured piece and case (for undo)

void	setInCheck () final

void	invertColours ()
	invert colours update kingpos, update colour to move, castle rights, ...

bGameStage	getStage () const

bScore	getBoardEvaluation () const

void	setBoardEvaluation (bScore const s)

bScore	minimizing () const

bool	castleDoneWhite () const
	-1 black to move, 1 white to move

bool	castleDoneBlack () const

void	setCastleDoneWhite (bool const c)

void	setCastleDoneBlack (bool const c)

movesequence_t const &	getPreviousMoves () const

void	setPreviousMoves (movesequence_t const &v)

basicmove_t const &	getMovePlayed () const

movesequence_t const &	getVariation () const

void	clearVariation ()

void	setVariation (bBoard const &chldbrd)

Public Member Functions inherited from bBasicBoard
plynum_t	getPly () const

void	setPly (plynum_t const p)

void	incPly ()

void	decPly ()

case_t	getEp () const

void	setEp (case_t const e)

void	clearEp ()

movenum50_t	getPly50Moves () const

void	setPly50Moves (movenum50_t const p)

movenum50_t	incPly50Moves ()

void	clearPly50Moves ()

bool	canCastle () const

bool	canCastle (uint8_t const f) const

void	setCastle (uint8_t const f)

void	setCastle (uint8_t const f, bool const c)

void	clearCastle (uint8_t const f)

bool	isInCheck () const

void	clearInCheck ()

bool	whiteToMove () const

int16_t	getMoveNumber () const

side_t	getColourToMove () const

piece_t	getPiece (case_t const bc) const
	1 for white, 2 for black

piece_t	getPiece (column_t const iColumn, rank_t const iRank) const

piece_t	getPieceCtl (column_t const iColumn, rank_t const iRank) const
	retrieve piece with bounds checking, return field empty in case of out of bounds

void	setPiece (case_t const bc, piece_t const piece)
	used for promotion move generation

void	setPiece (case_t const bc, uint8_t const piece)
	used for unMakeBoardMove

piece_t	setGetPiece (column_t const newcol, rank_t const newrank, piece_t const piece)
	used for makeBoardMove

piece_t	removePiece (column_t const newcol, rank_t const newrank)
	used for makeBoardMove

void	movePiece (case_t const f, case_t const t, piece_t const p)

void	swapPiece (case_t const t, piece_t const op, piece_t const np)

void	clearPiece (case_t const bc)

void	moveWhiteKing (case_t const f, case_t const t)

void	moveBlackKing (case_t const f, case_t const t)

bool	isFieldEmpty (case_t const bc) const

bool	isFieldEmpty (column_t const iColumn, rank_t const iRank) const

case_t	getWhiteKingPos () const

case_t	getBlackKingPos () const

bFen	getFEN () const

std::string	getHashStr () const

hashkey_t	getHash () const

void	setHash (hashkey_t const newHash)

u_positionFlags_t	makeBoardMove (column_t const oldcol, rank_t const oldrank, column_t const newcol, rank_t const newrank, piece_t const promotion)
	apply move to check if in check only, board to be discarded as it will be in incomplete state, no hash update no check flag set, etc.

void	unMakeBoardMove (case_t const &cf, column_t const newcol, rank_t const newrank, u_positionFlags_t const oldFlags, piece_t const promotion)
	undo makeBoardMove, restoring previous situation

Friends
class	bPositionEvaluation

class	PosEvalPositionalBoard

class	bWhitePiece

class	bBlackPiece

std::ostream &	operator<< (std::ostream &os, bBoard const &dt)
	print board

Additional Inherited Members
Protected Member Functions inherited from bBasicBoard
	bBasicBoard ()

	bBasicBoard (bBasicBoard const &bb)

	bBasicBoard (bBasicBoard &&bb)

	bBasicBoard (bFen const &fen)

virtual	~bBasicBoard ()

bBasicBoard &	operator= (bBasicBoard const &)=delete

bBasicBoard &	operator= (bBasicBoard &&)=delete

void	calcHash ()
	Set hash based on board position, also calc pieces Byte 0: bits 4-6 capture count (masked) bit 7 player to move We are using 64 bits for hash.

void	setPieceKU (case_t const bc, piece_t const piece)
	calculate and set hash

Protected Attributes inherited from bBasicBoard
union {

uint64_t u_positionFlags = 0ULL

struct {

case_t m_whiteKing

case_t m_blackKing

plynum_t m_ply

case_t m_ep

movenum50_t m_ply50moves

uint8_t m_castling

piece_t m_capturedpiece
	4 castling bits as uints as copy ctor stumbles on bool array More...

}

};

hashkey_t	m_hash

Detailed Description

board

Definition at line 147 of file board.h.

Constructor & Destructor Documentation

◆ bBoard() [1/6]

bBoard::bBoard ( bBoard && b )

explicitnoexcept

Used when Push board on gamestack (playGameMove)

Definition at line 571 of file board.cpp.

◆ bBoard() [2/6]

bBoard::bBoard ( bBoard const & b )

explicit

Used by bPgnMove ctor, popuplateMoveList, atLeastOneMovePossible movesinpgnformat.

Todo:: make function obsolete to avoid confusion

Definition at line 562 of file board.cpp.

◆ bBoard() [3/6]

bBoard::bBoard	(	bBoard const &	b,
		movenum_t const	moveid
	)

explicit

Create copy of board with move applied on it, clear fields that reflect state before move is played used by CalcBestMove.

Parameters

b	existing board, moves may not have been generated yet
moveid	to be applied

Definition at line 599 of file board.cpp.

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◆ bBoard() [4/6]

bBoard::bBoard	(	bBoard const &	b,
		bMove const &	m
	)

explicit

Create copy of board with move applied on it, clear fields that reflect state before move is played, used for SearchPerft::CalcBestMove, add..MoveIfValid.

Parameters

b	existing board
m	move to be applied

Definition at line 637 of file board.cpp.

◆ bBoard() [5/6]

bBoard::bBoard	(	bBoard const &	b,
		bMove &	m
	)

explicit

Create copy of board with move applied on it, clear fields that reflect state before move is played, used for playGameMove and applyMove Signature difference in const only!!

Parameters

b	existing board
m	move to be applied

Definition at line 621 of file board.cpp.

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◆ bBoard() [6/6]

bBoard::bBoard ( bFen const & fen )

explicit

used by setFENInitialPos

Definition at line 645 of file board.cpp.

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◆ ~bBoard()

bBoard::~bBoard ( )

override

Definition at line 662 of file board.cpp.

Member Function Documentation

◆ operator=() [1/2]

bBoard & bBoard::operator= ( bBoard const & )

delete

◆ operator=() [2/2]

bBoard & bBoard::operator= ( bBoard && )

delete

◆ operator std::string()

bBoard::operator std::string ( ) const

Definition at line 988 of file board.cpp.

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◆ atLeastOneMovePossible()

bool bBoard::atLeastOneMovePossible ( ) const

see if at least one move can be played e.g.

(stale-)mate eval

Definition at line 962 of file board.cpp.

Referenced by bPositionEvaluation::isGameEnded().

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◆ getMoveListRef()

bMoveList & bBoard::getMoveListRef ( )

return reference to movelist

Definition at line 954 of file board.cpp.

Referenced by bBoard(), bPgnMoveList::bPgnMoveList(), SearchEvalPosOnly::CalcBestMove(), SearchRandom::CalcBestMove(), SearchAlphaBeta::CalcBestMove(), SearchAlphaBetaFH::CalcBestMove(), bel_debug::execute(), SearchAlphaBeta::Quiescence(), bGame::revertGameMove(), and bSearchAlgorithm::SearchBestMove().

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◆ getMove()

bMove const & bBoard::getMove ( movenum_t const moveid ) const

Definition at line 967 of file board.cpp.

Referenced by bBoard(), bGame::evalEpdPosition(), bSearchAlgorithm::sendInfoCurrMove(), and bGame::WaitForSearchEnd().

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◆ calcPieces()

void bBoard::calcPieces ( )

Definition at line 672 of file board.cpp.

Referenced by bBoard(), bBoard(), bBoard(), and invertColours().

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◆ calcGameStage()

void bBoard::calcGameStage ( )

calculate pieces

Todo:: take into account actual moves

Definition at line 737 of file board.cpp.

Referenced by bBoard(), bBoard(), and bBoard().

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◆ isNonSilent()

bool bBoard::isNonSilent ( ) const

inline

calculate gamestage

Definition at line 170 of file board.h.

◆ setNonSilent()

void bBoard::setNonSilent ( )

inline

Definition at line 171 of file board.h.

◆ isCapture()

bool bBoard::isCapture ( ) const

inline

Definition at line 172 of file board.h.

◆ setCapture()

void bBoard::setCapture	(	piece_t const	p,
		case_t const	c
	)

overridevirtual

set non-silent flag, store captured piece and case (for undo)

Reimplemented from bBasicBoard.

Definition at line 795 of file board.cpp.

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◆ setInCheck()

void bBoard::setInCheck ( )

finalvirtual

Reimplemented from bBasicBoard.

Definition at line 803 of file board.cpp.

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◆ invertColours()

void bBoard::invertColours ( )

invert colours update kingpos, update colour to move, castle rights, ...

Todo:

castledone, capturedcase, capturedpiece, moveplayed, eval

epcase

force recalculation of pieces

Definition at line 764 of file board.cpp.

Referenced by bel_debug::execute(), and cmd_eval::execute().

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◆ getStage()

bGameStage bBoard::getStage ( ) const

inline

Definition at line 177 of file board.h.

Referenced by cmd_eval::execute(), PosEvalStaticBoard::getEvaluation(), and PosEvalPositionalBoard::getEvaluation().

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◆ getBoardEvaluation()

bScore bBoard::getBoardEvaluation ( ) const

inline

Definition at line 178 of file board.h.

Referenced by bSearchAlgorithm::RetrieveBoardEvaluation().

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◆ setBoardEvaluation()

void bBoard::setBoardEvaluation ( bScore const s )

inline

Definition at line 179 of file board.h.

Referenced by bSearchAlgorithm::RetrieveBoardEvaluation().

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◆ minimizing()

bScore bBoard::minimizing ( ) const

inline

Definition at line 180 of file board.h.

Referenced by bGame::EvalForPlayer(), cmd_eval::execute(), bSearchAlgorithm::SearchBestMove(), bSearchAlgorithm::sendInfoScore(), and bSearchAlgorithm::sendInfoSearching().

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◆ castleDoneWhite()

bool bBoard::castleDoneWhite ( ) const

inline

-1 black to move, 1 white to move

Definition at line 181 of file board.h.

◆ castleDoneBlack()

bool bBoard::castleDoneBlack ( ) const

inline

Definition at line 182 of file board.h.

◆ setCastleDoneWhite()

void bBoard::setCastleDoneWhite ( bool const c )

inline

Definition at line 183 of file board.h.

◆ setCastleDoneBlack()

void bBoard::setCastleDoneBlack ( bool const c )

inline

Definition at line 184 of file board.h.

◆ getPreviousMoves()

movesequence_t const & bBoard::getPreviousMoves ( ) const

inline

Definition at line 186 of file board.h.

Referenced by bBoard(), UCIMode::sendInfoCurrMove(), UCIMode::sendInfoScore(), UCIMode::sendInfoSearching(), XboardMode::sendInfoSearching(), and setVariation().

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◆ setPreviousMoves()

void bBoard::setPreviousMoves ( movesequence_t const & v )

inline

Definition at line 187 of file board.h.

Referenced by bSearchAlgorithm::SearchBestMove().

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◆ getMovePlayed()

basicmove_t const & bBoard::getMovePlayed ( ) const

inline

Definition at line 188 of file board.h.

◆ getVariation()

movesequence_t const & bBoard::getVariation ( ) const

inline

Definition at line 189 of file board.h.

Referenced by UCIMode::sendInfoCurrMove(), UCIMode::sendInfoScore(), UCIMode::sendInfoSearching(), XboardMode::sendInfoSearching(), and setVariation().

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◆ clearVariation()

void bBoard::clearVariation ( )

Definition at line 974 of file board.cpp.

Referenced by bSearchAlgorithm::SearchBestMove().

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◆ setVariation()

void bBoard::setVariation ( bBoard const & chldbrd )

Definition at line 979 of file board.cpp.

Referenced by SearchAlphaBeta::CalcBestMove(), SearchAlphaBetaFH::CalcBestMove(), and SearchAlphaBeta::Quiescence().

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Friends And Related Symbol Documentation

◆ bPositionEvaluation

friend class bPositionEvaluation

friend

Definition at line 194 of file board.h.

◆ PosEvalPositionalBoard

friend class PosEvalPositionalBoard

friend

Definition at line 195 of file board.h.

◆ bWhitePiece

friend class bWhitePiece

friend

Definition at line 196 of file board.h.

◆ bBlackPiece

friend class bBlackPiece

friend

Definition at line 197 of file board.h.

◆ operator<<

std::ostream & operator<<	(	std::ostream &	os,
		bBoard const &	dt
	)

friend

print board

Definition at line 1022 of file board.cpp.

Member Data Documentation

◆ u_boardFlags1

uint64_t bBoard::u_boardFlags1 = 0ULL

Definition at line 208 of file board.h.

◆ m_moveplayed

basicmove_t bBoard::m_moveplayed

Definition at line 210 of file board.h.

Referenced by getMovePlayed().

◆ m_bNonSilent

uint8_t bBoard::m_bNonSilent

Definition at line 211 of file board.h.

Referenced by isNonSilent(), setCapture(), setInCheck(), and setNonSilent().

◆ m_piecesonboard

uint8_t bBoard::m_piecesonboard

Definition at line 212 of file board.h.

Referenced by calcGameStage(), calcPieces(), and invertColours().

◆ m_whiteminor

uint8_t bBoard::m_whiteminor

Definition at line 213 of file board.h.

Referenced by calcGameStage(), and calcPieces().

◆ m_blackminor

uint8_t bBoard::m_blackminor

Definition at line 214 of file board.h.

Referenced by calcGameStage(), and calcPieces().

◆ m_gamestage

bGameStage bBoard::m_gamestage

Definition at line 215 of file board.h.

Referenced by calcGameStage(), and getStage().

◆ m_capturedcase

case_t bBoard::m_capturedcase

Definition at line 216 of file board.h.

Referenced by setCapture().

◆ u_boardFlags2

uint32_t bBoard::u_boardFlags2

Definition at line 221 of file board.h.

◆ m_castledoneWhite

uint8_t bBoard::m_castledoneWhite

Definition at line 223 of file board.h.

Referenced by castleDoneWhite(), and setCastleDoneWhite().

◆ m_castledoneBlack

uint8_t bBoard::m_castledoneBlack

Definition at line 224 of file board.h.

Referenced by castleDoneBlack(), and setCastleDoneBlack().

◆ m_boardeval

bScore bBoard::m_boardeval = SCORE_UNDEFINED

Definition at line 225 of file board.h.

Referenced by bBoard(), getBoardEvaluation(), and setBoardEvaluation().

Public Member Functions

Friends

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ bBoard() [1/6]

◆ bBoard() [2/6]

◆ bBoard() [3/6]

◆ bBoard() [4/6]

◆ bBoard() [5/6]

◆ bBoard() [6/6]

◆ ~bBoard()

Member Function Documentation

◆ operator=() [1/2]

◆ operator=() [2/2]

◆ operator std::string()

◆ atLeastOneMovePossible()

◆ getMoveListRef()

◆ getMove()

◆ calcPieces()

◆ calcGameStage()

◆ isNonSilent()

◆ setNonSilent()

◆ isCapture()

◆ setCapture()

◆ setInCheck()

◆ invertColours()

◆ getStage()

◆ getBoardEvaluation()

◆ setBoardEvaluation()

◆ minimizing()

◆ castleDoneWhite()

◆ castleDoneBlack()

◆ setCastleDoneWhite()

◆ setCastleDoneBlack()

◆ getPreviousMoves()

◆ setPreviousMoves()

◆ getMovePlayed()

◆ getVariation()

◆ clearVariation()

◆ setVariation()

Friends And Related Symbol Documentation

◆ bPositionEvaluation

◆ PosEvalPositionalBoard

◆ bWhitePiece

◆ bBlackPiece

◆ operator<<

Member Data Documentation

◆ u_boardFlags1

◆ m_moveplayed

◆ m_bNonSilent

◆ m_piecesonboard

◆ m_whiteminor

◆ m_blackminor

◆ m_gamestage

◆ m_capturedcase

◆ u_boardFlags2

◆ m_castledoneWhite

◆ m_castledoneBlack

◆ m_boardeval