games/sail/dr_main.c

   1 /*      $NetBSD: dr_main.c,v 1.13 2009/03/02 06:44:22 dholland Exp $    */
   2
   3 /*
   4  * Copyright (c) 1983, 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[] = "@(#)dr_main.c   8.2 (Berkeley) 4/16/94";
  36 #else
  37 __RCSID("$NetBSD: dr_main.c,v 1.13 2009/03/02 06:44:22 dholland Exp $");
  38 #endif
  39 #endif /* not lint */
  40
  41 #include <err.h>
  42 #include <signal.h>
  43 #include <stdio.h>
  44 #include <stdlib.h>
  45 #include <unistd.h>
  46 #include "extern.h"
  47 #include "driver.h"
  48
  49 int
  50 dr_main(void)
  51 {
  52         int n;
  53         struct ship *sp;
  54         int nat[NNATION];
  55         int value = 0;
  56
  57         signal(SIGINT, SIG_IGN);
  58         signal(SIGQUIT, SIG_IGN);
  59         signal(SIGTSTP, SIG_IGN);
  60         if (game < 0 || game >= NSCENE) {
  61                 errx(1, "driver: Bad game number %d", game);
  62         }
  63         cc = &scene[game];
  64         ls = SHIP(cc->vessels);
  65         if (sync_open() < 0) {
  66                 err(1, "driver: syncfile");
  67         }
  68         for (n = 0; n < NNATION; n++)
  69                 nat[n] = 0;
  70         foreachship(sp) {
  71                 if (sp->file == NULL &&
  72                     (sp->file = calloc(1, sizeof (struct File))) == NULL) {
  73                         fprintf(stderr, "DRIVER: Out of memory.\n");
  74                         exit(1);
  75                 }
  76                 sp->file->index = sp - SHIP(0);
  77                 sp->file->loadL = L_ROUND;
  78                 sp->file->loadR = L_ROUND;
  79                 sp->file->readyR = R_LOADED|R_INITIAL;
  80                 sp->file->readyL = R_LOADED|R_INITIAL;
  81                 sp->file->stern = nat[sp->nationality]++;
  82                 sp->file->dir = sp->shipdir;
  83                 sp->file->row = sp->shiprow;
  84                 sp->file->col = sp->shipcol;
  85         }
  86         windspeed = cc->windspeed;
  87         winddir = cc->winddir;
  88         people = 0;
  89         for (;;) {
  90                 sleep(7);
  91                 if (Sync() < 0) {
  92                         value = 1;
  93                         break;
  94                 }
  95                 if (next() < 0)
  96                         break;
  97                 unfoul();
  98                 checkup();
  99                 prizecheck();
 100                 moveall();
 101                 thinkofgrapples();
 102                 boardcomp();
 103                 compcombat();
 104                 resolve();
 105                 reload();
 106                 checksails();
 107                 if (Sync() < 0) {
 108                         value = 1;
 109                         break;
 110                 }
 111         }
 112         sync_close(1);
 113         return value;
 114 }