board.h File Reference

Chess board constants, piece helpers, square geometry, and directions. More...

#include "scid/core/primitives.h"
#include <cassert>

Include dependency graph for board.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Functions
bool	scid::core::piece_IsKing (pieceT p)
bool	scid::core::piece_IsSlider (pieceT p)
pieceT	scid::core::piece_FromChar (int x)
leftDiagT	scid::core::square_LeftDiag (squareT sq)
rightDiagT	scid::core::square_RightDiag (squareT sq)
colorT	scid::core::square_Color (squareT sq)
squareT	scid::core::square_FlipFyle (squareT sq)
squareT	scid::core::square_FlipRank (squareT sq)
squareT	scid::core::square_FlipDiag (squareT sq)
uint	scid::core::square_Distance (squareT from, squareT to)
squareT	scid::core::square_NearestCorner (squareT sq)
bool	scid::core::square_IsCornerSquare (squareT sq)
bool	scid::core::square_IsEdgeSquare (squareT sq)
int	scid::core::square_EdgeDistance (squareT sq)
bool	scid::core::square_IsKnightHop (squareT from, squareT to)
char	scid::core::square_FyleChar (squareT sq)
char	scid::core::square_RankChar (squareT sq)
directionT	scid::core::direction_Opposite (directionT d)
bool	scid::core::direction_IsDiagonal (directionT dir)
int	scid::core::direction_Delta (directionT dir)
bool	scid::core::square_Adjacent (squareT from, squareT to)

Variables
const pieceT	scid::core::WM = 16
const pieceT	scid::core::BM = 17
const uint	scid::core::MAX_PIECE_TYPES = 18
const pieceT	scid::core::PIECE_FLIP [MAX_PIECE_TYPES]
const bool	scid::core::PIECE_IS_SLIDER [8]
const uint	scid::core::rankFyleDist [64]
const int	scid::core::edgeDist [66]
const directionT	scid::core::NULL_DIR = 0
const directionT	scid::core::UP = 1
const directionT	scid::core::DOWN = 2
const directionT	scid::core::LEFT = 4
const directionT	scid::core::RIGHT = 8
const directionT	scid::core::UP_LEFT = (UP | LEFT)
const directionT	scid::core::UP_RIGHT = (UP | RIGHT)
const directionT	scid::core::DOWN_LEFT = (DOWN | LEFT)
const directionT	scid::core::DOWN_RIGHT = (DOWN | RIGHT)
const directionT	scid::core::dirOpposite [11]
const bool	scid::core::dirIsDiagonal [11]
const int	scid::core::dirDelta [11]
const pieceT	scid::core::START_BOARD [66]
const colorT	scid::core::BOARD_SQUARECOLOR [66]

Detailed Description

Chess board constants, piece helpers, square geometry, and directions.

Variable Documentation

BOARD_SQUARECOLOR

const colorT scid::core::BOARD_SQUARECOLOR[66]

Initial value:

= {
    BLACK, WHITE, BLACK, WHITE, BLACK, WHITE, BLACK, WHITE,  
    WHITE, BLACK, WHITE, BLACK, WHITE, BLACK, WHITE, BLACK,  
    BLACK, WHITE, BLACK, WHITE, BLACK, WHITE, BLACK, WHITE,  
    WHITE, BLACK, WHITE, BLACK, WHITE, BLACK, WHITE, BLACK,  
    BLACK, WHITE, BLACK, WHITE, BLACK, WHITE, BLACK, WHITE,  
    WHITE, BLACK, WHITE, BLACK, WHITE, BLACK, WHITE, BLACK,  
    BLACK, WHITE, BLACK, WHITE, BLACK, WHITE, BLACK, WHITE,  
    WHITE, BLACK, WHITE, BLACK, WHITE, BLACK, WHITE, BLACK,  
    NOCOLOR, NOCOLOR  
}

dirDelta

const int scid::core::dirDelta[11]

Initial value:

= {
    0,    
    8,    
    -8,   
    0,    
    -1,   
    7,    
    -9,   
    0,    
    1,    
    9,    
    -7    
}

dirIsDiagonal

const bool scid::core::dirIsDiagonal[11]

Initial value:

= {
    false,   
    false,   
    false,   
    false,   
    false,   
    true,    
    true,    
    false,   
    false,   
    true,    
    true     
}

dirOpposite

const directionT scid::core::dirOpposite[11]

Initial value:

= {
    NULL_DIR,
    DOWN,       
    UP,         
    NULL_DIR,
    RIGHT,      
    DOWN_RIGHT, 
    UP_RIGHT,   
    NULL_DIR,
    LEFT,       
    DOWN_LEFT,  
    UP_LEFT     
}

edgeDist

const int scid::core::edgeDist[66]

Initial value:

= {
    0, 0, 0, 0, 0, 0, 0, 0,
    0, 1, 1, 1, 1, 1, 1, 0,
    0, 1, 2, 2, 2, 2, 1, 0,
    0, 1, 2, 3, 3, 2, 1, 0,
    0, 1, 2, 3, 3, 2, 1, 0,
    0, 1, 2, 2, 2, 2, 1, 0,
    0, 1, 1, 1, 1, 1, 1, 0,
    0, 0, 0, 0, 0, 0, 0, 0,
    -1, -1
}

PIECE_FLIP

const pieceT scid::core::PIECE_FLIP[MAX_PIECE_TYPES]

Initial value:

= {
    END_OF_BOARD,
    BK, BQ, BR, BB, BN, BP,
    EMPTY, EMPTY,
    WK, WQ, WR, WB, WN, WP,
    EMPTY, BM, WM
}

PIECE_IS_SLIDER

const bool scid::core::PIECE_IS_SLIDER[8]

Initial value:

= {
    false,
    false, true, true, true, false, false,
    false,
}

rankFyleDist

const uint scid::core::rankFyleDist[64]

Initial value:

= {
    0, 1, 2, 3, 4, 5, 6, 7,
    1, 0, 1, 2, 3, 4, 5, 6,
    2, 1, 0, 1, 2, 3, 4, 5,
    3, 2, 1, 0, 1, 2, 3, 4,
    4, 3, 2, 1, 0, 1, 2, 3,
    5, 4, 3, 2, 1, 0, 1, 2,
    6, 5, 4, 3, 2, 1, 0, 1,
    7, 6, 5, 4, 3, 2, 1, 0
}

START_BOARD

const pieceT scid::core::START_BOARD[66]

Initial value:

= {
    WR, WN, WB, WQ, WK, WB, WN, WR,    
    WP, WP, WP, WP, WP, WP, WP, WP,    
    EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
    EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
    EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
    EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY,
    BP, BP, BP, BP, BP, BP, BP, BP,
    BR, BN, BB, BQ, BK, BB, BN, BR,
    EMPTY,        
    END_OF_BOARD  
}