BSD 4_3_Tahoe release

[unix-history] / usr / src / games / backgammon / board.c

/*
* Copyright (c) 1980 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley.  The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/

#ifndef lint
static char sccsid[] = "@(#)board.c     5.3 (Berkeley) 6/18/88";
#endif /* not lint */

#include "back.h"

static int      i, j, k;
static char     ln[60];

wrboard ()  {
       register int    l;
       static char     bl[] =
               "|                       |   |                       |\n";
       static char     sv[] =
               "|                       |   |                       |    \n";

       fixtty (noech);
       clear();

       if (tflag)  {
               fboard();
               goto lastline;
       }

       writel ("_____________________________________________________\n");
       writel (bl);
       strcpy (ln,bl);
       for (j = 1; j < 50; j += 4) {
               k = j/4+(j > 24? 12: 13);
               ln[j+1] = k%10+'0';
               ln[j] = k/10+'0';
               if (j == 21)
                       j += 4;
       }
       writel (ln);
       for (i = 0; i < 5; i++) {
               strcpy (ln,sv);
               for (j = 1; j < 50; j += 4) {
                       k = j/4+(j > 24? 12: 13);
                       wrbsub ();
                       if (j == 21)
                               j += 4;
               }
               if (-board[25] > i)
                       ln[26] = 'w';
               if (-board[25] > i+5)
                       ln[25] = 'w';
               if (-board[25] > i+10)
                       ln[27] = 'w';
               l = 53;
               if (off[1] > i || (off[1] < 0 && off[1]+15 > i))  {
                       ln[54] = 'r';
                       l = 55;
               }
               if (off[1] > i+5 || (off[1] < 0 && off[1]+15 > i+5))  {
                       ln[55] = 'r';
                       l = 56;
               }
               if (off[1] > i+10 || (off[1] < 0 && off[1]+15 > i+10))  {
                       ln[56] = 'r';
                       l = 57;
               }
               ln[l++] = '\n';
               ln[l] = '\0';
               writel (ln);
       }
       strcpy (ln,bl);
       ln[25] = 'B';
       ln[26] = 'A';
       ln[27] = 'R';
       writel (ln);
       strcpy (ln,sv);
       for (i = 4; i > -1; i--) {
               for (j = 1; j < 50; j += 4) {
                       k = ((j > 24? 53: 49)-j)/4;
                       wrbsub();
                       if (j == 21)
                               j += 4;
               }
               if (board[0] > i)
                       ln[26] = 'r';
               if (board[0] > i+5)
                       ln[25] = 'r';
               if (board[0] > i+10)
                       ln[27] = 'r';
               l = 53;
               if (off[0] > i || (off[0] < 0 && off[0]+15 > i))  {
                       ln[54] = 'w';
                       l = 55;
               }
               if (off[0] > i+5 || (off[0] < 0 && off[0]+15 > i+5))  {
                       ln[55] = 'w';
                       l = 56;
               }
               if (off[0] > i+10 || (off[0] < 0 && off[0]+15 > i+10))  {
                       ln[56] = 'w';
                       l = 57;
               }
               ln[l++] = '\n';
               ln[l] = '\0';
               writel (ln);
       }
       strcpy (ln,bl);
       for (j = 1; j < 50; j += 4) {
               k = ((j > 24? 53: 49)-j)/4;
               ln[j+1] = k%10+'0';
               if (k > 9)
                       ln[j] = k/10+'0';
               if (j == 21)
                       j += 4;
       }
       writel (ln);
       writel ("|_______________________|___|_______________________|\n");

lastline:
       gwrite ();
       if (tflag)
               curmove (18,0);
       else  {
               writec ('\n');
               writec ('\n');
       }
       fixtty(raw);
}
\f
wrbsub () {
       register int    m;
       register char   d;

       if (board[k] > 0)  {
               m = board[k];
               d = 'r';
       } else {
               m = -board[k];
               d = 'w';
       }
       if (m>i)
               ln[j+1] = d;
       if (m>i+5)
               ln[j] = d;
       if (m>i+10)
               ln[j+2] = d;
}