sail/dr_main.c

   1 /*      $NetBSD: dr_main.c,v 1.5 1997/10/13 19:43:54 christos 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. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by the University of
  18  *      California, Berkeley and its contributors.
  19  * 4. Neither the name of the University nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include <sys/cdefs.h>
  37 #ifndef lint
  38 #if 0
  39 static char sccsid[] = "@(#)dr_main.c   8.2 (Berkeley) 4/16/94";
  40 #else
  41 __RCSID("$NetBSD: dr_main.c,v 1.5 1997/10/13 19:43:54 christos Exp $");
  42 #endif
  43 #endif /* not lint */
  44
  45 #include "driver.h"
  46 #include <stdlib.h>
  47 #include <unistd.h>
  48
  49 int
  50 dr_main()
  51 {
  52         int n;
  53         struct ship *sp;
  54         int nat[NNATION];
  55         int value = 0;
  56
  57         (void) signal(SIGINT, SIG_IGN);
  58         (void) signal(SIGQUIT, SIG_IGN);
  59         (void) signal(SIGTSTP, SIG_IGN);
  60         if (issetuid)
  61                 (void) setuid(geteuid());
  62         if (game < 0 || game >= NSCENE) {
  63                 fprintf(stderr, "DRIVER: Bad game number %d\n", game);
  64                 exit(1);
  65         }
  66         cc = &scene[game];
  67         ls = SHIP(cc->vessels);
  68         if (sync_open() < 0) {
  69                 perror("driver: syncfile");
  70                 exit(1);
  71         }
  72         for (n = 0; n < NNATION; n++)
  73                 nat[n] = 0;
  74         foreachship(sp) {
  75                 if (sp->file == NULL &&
  76                     (sp->file = (struct File *)calloc(1, sizeof (struct File))) == NULL) {
  77                         (void) fprintf(stderr, "DRIVER: Out of memory.\n");
  78                         exit(1);
  79                 }
  80                 sp->file->index = sp - SHIP(0);
  81                 sp->file->loadL = L_ROUND;
  82                 sp->file->loadR = L_ROUND;
  83                 sp->file->readyR = R_LOADED|R_INITIAL;
  84                 sp->file->readyL = R_LOADED|R_INITIAL;
  85                 sp->file->stern = nat[sp->nationality]++;
  86                 sp->file->dir = sp->shipdir;
  87                 sp->file->row = sp->shiprow;
  88                 sp->file->col = sp->shipcol;
  89         }
  90         windspeed = cc->windspeed;
  91         winddir = cc->winddir;
  92         people = 0;
  93         for (;;) {
  94                 sleep(7);
  95                 if (Sync() < 0) {
  96                         value = 1;
  97                         break;
  98                 }
  99                 if (next() < 0)
 100                         break;
 101                 unfoul();
 102                 checkup();
 103                 prizecheck();
 104                 moveall();
 105                 thinkofgrapples();
 106                 boardcomp();
 107                 compcombat();
 108                 resolve();
 109                 reload();
 110                 checksails();
 111                 if (Sync() < 0) {
 112                         value = 1;
 113                         break;
 114                 }
 115         }
 116         sync_close(1);
 117         return value;
 118 }