games/backgammon/common_source/board.c

   1 /*      $NetBSD: board.c,v 1.8 2005/07/01 01:12:39 jmc Exp $    */
   2
   3 /*
   4  * Copyright (c) 1980, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 #ifndef lint
  34 #if 0
  35 static char sccsid[] = "@(#)board.c     8.1 (Berkeley) 5/31/93";
  36 #else
  37 __RCSID("$NetBSD: board.c,v 1.8 2005/07/01 01:12:39 jmc Exp $");
  38 #endif
  39 #endif /* not lint */
  40
  41 #include "back.h"
  42
  43 static int i, j, k;
  44 static char ln[60];
  45
  46 static void wrbsub(void);
  47
  48 void
  49 wrboard(void)
  50 {
  51         int     l;
  52         static const char bl[] =
  53         "|                       |   |                       |\n";
  54         static const char sv[] =
  55         "|                       |   |                       |    \n";
  56
  57         fixtty(&noech);
  58         clear();
  59
  60         if (tflag) {
  61                 fboard();
  62                 goto lastline;
  63         }
  64         writel("_____________________________________________________\n");
  65         writel(bl);
  66         strcpy(ln, bl);
  67         for (j = 1; j < 50; j += 4) {
  68                 k = j / 4 + (j > 24 ? 12 : 13);
  69                 ln[j + 1] = k % 10 + '0';
  70                 ln[j] = k / 10 + '0';
  71                 if (j == 21)
  72                         j += 4;
  73         }
  74         writel(ln);
  75         for (i = 0; i < 5; i++) {
  76                 strcpy(ln, sv);
  77                 for (j = 1; j < 50; j += 4) {
  78                         k = j / 4 + (j > 24 ? 12 : 13);
  79                         wrbsub();
  80                         if (j == 21)
  81                                 j += 4;
  82                 }
  83                 if (-board[25] > i)
  84                         ln[26] = 'w';
  85                 if (-board[25] > i + 5)
  86                         ln[25] = 'w';
  87                 if (-board[25] > i + 10)
  88                         ln[27] = 'w';
  89                 l = 53;
  90                 if (off[1] > i || (off[1] < 0 && off[1] + 15 > i)) {
  91                         ln[54] = 'r';
  92                         l = 55;
  93                 }
  94                 if (off[1] > i + 5 || (off[1] < 0 && off[1] + 15 > i + 5)) {
  95                         ln[55] = 'r';
  96                         l = 56;
  97                 }
  98                 if (off[1] > i + 10 || (off[1] < 0 && off[1] + 15 > i + 10)) {
  99                         ln[56] = 'r';
 100                         l = 57;
 101                 }
 102                 ln[l++] = '\n';
 103                 ln[l] = '\0';
 104                 writel(ln);
 105         }
 106         strcpy(ln, bl);
 107         ln[25] = 'B';
 108         ln[26] = 'A';
 109         ln[27] = 'R';
 110         writel(ln);
 111         strcpy(ln, sv);
 112         for (i = 4; i > -1; i--) {
 113                 for (j = 1; j < 50; j += 4) {
 114                         k = ((j > 24 ? 53 : 49) - j) / 4;
 115                         wrbsub();
 116                         if (j == 21)
 117                                 j += 4;
 118                 }
 119                 if (board[0] > i)
 120                         ln[26] = 'r';
 121                 if (board[0] > i + 5)
 122                         ln[25] = 'r';
 123                 if (board[0] > i + 10)
 124                         ln[27] = 'r';
 125                 l = 53;
 126                 if (off[0] > i || (off[0] < 0 && off[0] + 15 > i)) {
 127                         ln[54] = 'w';
 128                         l = 55;
 129                 }
 130                 if (off[0] > i + 5 || (off[0] < 0 && off[0] + 15 > i + 5)) {
 131                         ln[55] = 'w';
 132                         l = 56;
 133                 }
 134                 if (off[0] > i + 10 || (off[0] < 0 && off[0] + 15 > i + 10)) {
 135                         ln[56] = 'w';
 136                         l = 57;
 137                 }
 138                 ln[l++] = '\n';
 139                 ln[l] = '\0';
 140                 writel(ln);
 141         }
 142         strcpy(ln, bl);
 143         for (j = 1; j < 50; j += 4) {
 144                 k = ((j > 24 ? 53 : 49) - j) / 4;
 145                 ln[j + 1] = k % 10 + '0';
 146                 if (k > 9)
 147                         ln[j] = k / 10 + '0';
 148                 if (j == 21)
 149                         j += 4;
 150         }
 151         writel(ln);
 152         writel("|_______________________|___|_______________________|\n");
 153
 154 lastline:
 155         gwrite();
 156         if (tflag)
 157                 curmove(18, 0);
 158         else {
 159                 writec('\n');
 160                 writec('\n');
 161         }
 162         fixtty(&raw);
 163 }
 164
 165 static void
 166 wrbsub(void)
 167 {
 168         int     m;
 169         char    d;
 170
 171         if (board[k] > 0) {
 172                 m = board[k];
 173                 d = 'r';
 174         } else {
 175                 m = -board[k];
 176                 d = 'w';
 177         }
 178         if (m > i)
 179                 ln[j + 1] = d;
 180         if (m > i + 5)
 181                 ln[j] = d;
 182         if (m > i + 10)
 183                 ln[j + 2] = d;
 184 }