CHECK.H

/* Header file for checkers board data */ 
 
#define EMPTY   0 
#define RED     1           /* you must not change these values */ 
#define BLACK   2 
#define KING    4 
 
#define SQRS_MAX    35  /* number of squares on a board plus some */ 
 
#define next(_t)    ((_t&1)+1) 
#define CopyBoard(from,to) { int i; for (i=0; i<SQRS_MAX; i++) to[i] = from[i]; } 0 
 
typedef long SQUARE; 
typedef SQUARE FAR * BOARD; 
typedef unsigned int BOOK_ELEMENT; 
 
 
#define TYPE_RED0           1 
#define TYPE_RED2           2 
#define TYPE_BLACK0         3 
#define TYPE_BLACK2         4 /* do not change the order of these values */ 
#define TYPE_RED_JUMP0      5 
#define TYPE_RED_JUMP2      6 
#define TYPE_BLACK_JUMP0    7 
#define TYPE_BLACK_JUMP2    8 
 
#define MakeMove_RED0(_b, _start) \ 
            _b[red_lut[_start][0]]  = _b[_start];\ 
            _b[_start]              = 0;\ 
            _b[red_lut[_start][0]] |= red_lut[_start][1] 
#define MakeMove_RED2(_b, _start) \ 
            _b[red_lut[_start][2]]  = _b[_start];\ 
            _b[_start]              = 0;\ 
            _b[red_lut[_start][2]] |= red_lut[_start][3] 
#define MakeMove_BLACK0(_b, _start) \ 
            _b[black_lut[_start][0]]  = _b[_start];\ 
            _b[_start]                = 0;\ 
            _b[black_lut[_start][0]] |= black_lut[_start][1] 
#define MakeMove_BLACK2(_b, _start) \ 
            _b[black_lut[_start][2]]  = _b[_start];\ 
            _b[_start]                = 0;\ 
            _b[black_lut[_start][2]] |= black_lut[_start][3] 
 
#define MakeMoveNoKing_RED_JUMP0(_b, _start) \ 
            _b[red_jump_lut[_start][1]]  = _b[_start];\ 
            _b[_start]                   = 0;\ 
            _b[red_jump_lut[_start][0]]  = 0 
#define MakeMoveNoKing_RED_JUMP2(_b, _start) \ 
            _b[red_jump_lut[_start][3]]  = _b[_start];\ 
            _b[_start]                   = 0;\ 
            _b[red_jump_lut[_start][2]]  = 0 
#define MakeMoveNoKing_BLACK_JUMP0(_b, _start) \ 
            _b[black_jump_lut[_start][1]]  = _b[_start];\ 
            _b[_start]                     = 0;\ 
            _b[black_jump_lut[_start][0]]  = 0 
#define MakeMoveNoKing_BLACK_JUMP2(_b, _start) \ 
            _b[black_jump_lut[_start][3]]  = _b[_start];\ 
            _b[_start]                   = 0;\ 
            _b[black_jump_lut[_start][2]]  = 0 
 
#define MakeMove_RED_JUMP0(_b, _start) \ 
            _b[red_jump_lut[_start][1]]  = _b[_start];\ 
            _b[_start]                   = 0;\ 
            _b[red_jump_lut[_start][0]]  = 0 
#define MakeMove_RED_JUMP2(_b, _start) \ 
            _b[red_jump_lut[_start][3]]  = _b[_start];\ 
            _b[_start]                   = 0;\ 
            _b[red_jump_lut[_start][2]]  = 0 
#define MakeMove_BLACK_JUMP0(_b, _start) \ 
            _b[black_jump_lut[_start][1]]  = _b[_start];\ 
            _b[_start]                     = 0;\ 
            _b[black_jump_lut[_start][0]]  = 0 
#define MakeMove_BLACK_JUMP2(_b, _start) \ 
            _b[black_jump_lut[_start][3]]  = _b[_start];\ 
            _b[_start]                   = 0;\ 
            _b[black_jump_lut[_start][2]]  = 0 
 
 
 
// ----- callable Functions in the engine 
long PlayBestMove(BOARD b, int t, int j, int d, 
                    int prune_depth, int prune_size, int max_depth); 
int GameOver(BOARD b, int t); 
int MoveValid(BOARD b, int start, int dest, int t); 
long QualityOfBoard(BOARD b,int t); 
char* TextizeBoard(BOARD b);