4.3BSD - /usr/src/games/backgammon/tutor.c

   1: /*
   2:  * Copyright (c) 1980 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  */
   6: 
   7: #ifndef lint
   8: static char sccsid[] = "@(#)tutor.c	5.1 (Berkeley) 5/29/85";
   9: #endif not lint
  10: 
  11: #include "back.h"
  12: #include "tutor.h"
  13: 
  14: extern int  maxmoves;
  15: extern char *finis[];
  16: 
  17: extern struct situatn   test[];
  18: 
  19: static char better[] = "That is a legal move, but there is a better one.\n";
  20: 
  21: tutor ()  {
  22:     register int    i, j;
  23: 
  24:     i = 0;
  25:     begscr = 18;
  26:     cturn = -1;
  27:     home = 0;
  28:     bar = 25;
  29:     inptr = &in[0];
  30:     inopp = &in[1];
  31:     offptr = &off[0];
  32:     offopp = &off[1];
  33:     Colorptr = &color[0];
  34:     colorptr = &color[2];
  35:     colen = 5;
  36:     wrboard();
  37: 
  38:     while (1)  {
  39:         if (! brdeq(test[i].brd,board))  {
  40:             if (tflag && curr == 23)
  41:                 curmove (18,0);
  42:             writel (better);
  43:             nexturn();
  44:             movback (mvlim);
  45:             if (tflag)  {
  46:                 refresh();
  47:                 clrest ();
  48:             }
  49:             if ((! tflag) || curr == 19)  {
  50:                 proll();
  51:                 writec ('\t');
  52:             }
  53:             else
  54:                 curmove (curr > 19? curr-2: curr+4,25);
  55:             getmove();
  56:             if (cturn == 0)
  57:                 leave();
  58:             continue;
  59:         }
  60:         if (tflag)
  61:             curmove (18,0);
  62:         text (*test[i].com);
  63:         if (! tflag)
  64:             writec ('\n');
  65:         if (i == maxmoves)
  66:             break;
  67:         D0 = test[i].roll1;
  68:         D1 = test[i].roll2;
  69:         d0 = 0;
  70:         mvlim = 0;
  71:         for (j = 0; j < 4; j++)  {
  72:             if (test[i].mp[j] == test[i].mg[j])
  73:                 break;
  74:             p[j] = test[i].mp[j];
  75:             g[j] = test[i].mg[j];
  76:             mvlim++;
  77:         }
  78:         if (mvlim)
  79:             for (j = 0; j < mvlim; j++)
  80:                 if (makmove(j))
  81:                     writel ("AARGH!!!\n");
  82:         if (tflag)
  83:             refresh();
  84:         nexturn();
  85:         D0 = test[i].new1;
  86:         D1 = test[i].new2;
  87:         d0 = 0;
  88:         i++;
  89:         mvlim = movallow();
  90:         if (mvlim)  {
  91:             if (tflag)
  92:                 clrest();
  93:             proll();
  94:             writec('\t');
  95:             getmove();
  96:             if (tflag)
  97:                 refresh();
  98:             if (cturn == 0)
  99:                 leave();
 100:         }
 101:     }
 102:     leave();
 103: }
 104: 
 105: clrest ()  {
 106:     register int    r, c, j;
 107: 
 108:     r = curr;
 109:     c = curc;
 110:     for (j = r+1; j < 24; j++)  {
 111:         curmove (j,0);
 112:         cline();
 113:     }
 114:     curmove (r,c);
 115: }
 116: 
 117: brdeq (b1,b2)
 118: register int  *b1, *b2;
 119: 
 120: {
 121:     register int  *e;
 122: 
 123:     e = b1+26;
 124:     while (b1 < e)
 125:         if (*b1++ != *b2++)
 126:             return(0);
 127:     return(1);
 128: }

Defined functions

Defined variables