Return to back.h CVS log

Up to [CSRG BSD Unix] / 42BSD / games / backgammon

Annotation of 42BSD/games/backgammon/back.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  *     back.h  4.2     82/11/22
                      3:  */
                      4: 
                      5: #include <sgtty.h>
                      6: 
                      7: #define rnum(r)        (random()%r)
                      8: #define D0     dice[0]
                      9: #define D1     dice[1]
                     10: #define swap   {D0 ^= D1; D1 ^= D0; D0 ^= D1; d0 = 1-d0;}
                     11: 
                     12: /*
                     13:  *
                     14:  * Some numerical conventions:
                     15:  *
                     16:  *     Arrays have white's value in [0], red in [1].
                     17:  *     Numeric values which are one color or the other use
                     18:  *     -1 for white, 1 for red.
                     19:  *     Hence, white will be negative values, red positive one.
                     20:  *     This makes a lot of sense since white is going in decending
                     21:  *     order around the board, and red is ascending.
                     22:  *
                     23:  */
                     24: 
                     25: char   EXEC[];                 /* object for main program */
                     26: char   TEACH[];                /* object for tutorial program */
                     27: 
                     28: int    pnum;                   /* color of player:
                     29:                                        -1 = white
                     30:                                         1 = red
                     31:                                         0 = both
                     32:                                         2 = not yet init'ed */
                     33: char   args[100];              /* args passed to teachgammon and back */
                     34: int    acnt;                   /* length of args */
                     35: int    aflag;                  /* flag to ask for rules or instructions */
                     36: int    bflag;                  /* flag for automatic board printing */
                     37: int    cflag;                  /* case conversion flag */
                     38: int    hflag;                  /* flag for cleaning screen */
                     39: int    mflag;                  /* backgammon flag */
                     40: int    raflag;                 /* 'roll again' flag for recovered game */
                     41: int    rflag;                  /* recovered game flag */
                     42: int    tflag;                  /* cursor addressing flag */
                     43: int    rfl;                    /* saved value of rflag */
                     44: int    iroll;                  /* special flag for inputting rolls */
                     45: int    board[26];              /* board:  negative values are white,
                     46:                                   positive are red */
                     47: int    dice[2];                /* value of dice */
                     48: int    mvlim;                  /* 'move limit':  max. number of moves */
                     49: int    mvl;                    /* working copy of mvlim */
                     50: int    p[5];                   /* starting position of moves */
                     51: int    g[5];                   /* ending position of moves (goals) */
                     52: int    h[4];                   /* flag for each move if a man was hit */
                     53: int    cturn;                  /* whose turn it currently is:
                     54:                                        -1 = white
                     55:                                         1 = red
                     56:                                         0 = just quitted
                     57:                                        -2 = white just lost
                     58:                                         2 = red just lost */
                     59: int    d0;                     /* flag if dice have been reversed from
                     60:                                   original position */
                     61: int    table[6][6];            /* odds table for possible rolls */
                     62: int    rscore;                 /* red's score */
                     63: int    wscore;                 /* white's score */
                     64: int    gvalue;                 /* value of game (64 max.) */
                     65: int    dlast;                  /* who doubled last (0 = neither) */
                     66: int    bar;                    /* position of bar for current player */
                     67: int    home;                   /* position of home for current player */
                     68: int    off[2];                 /* number of men off board */
                     69: int    *offptr;                /* pointer to off for current player */
                     70: int    *offopp;                /* pointer to off for opponent */
                     71: int    in[2];                  /* number of men in inner table */
                     72: int    *inptr;                 /* pointer to in for current player */
                     73: int    *inopp;                 /* pointer to in for opponent */
                     74: 
                     75: int    ncin;                   /* number of characters in cin */
                     76: char   cin[100];               /* input line of current move
                     77:                                   (used for reconstructing input after
                     78:                                   a backspace) */
                     79: 
                     80: char   *color[];
                     81:                                /* colors as strings */
                     82: char   **colorptr;             /* color of current player */
                     83: char   **Colorptr;             /* color of current player, capitalized */
                     84: int    colen;                  /* length of color of current player */
                     85: 
                     86: struct sgttyb  tty;            /* tty information buffer */
                     87: int            old;            /* original tty status */
                     88: int            noech;          /* original tty status without echo */
                     89: int            raw;            /* raw tty status, no echo */
                     90: 
                     91: int    curr;                   /* row position of cursor */
                     92: int    curc;                   /* column position of cursor */
                     93: int    begscr;                 /* 'beginning' of screen
                     94:                                   (not including board) */
                     95: 
                     96: int    getout();               /* function to exit backgammon cleanly */

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.