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dr_main.c revision 1.14 
      1 /*	$NetBSD: dr_main.c,v 1.14 2009/03/14 19:36:42 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 1.14 2009/03/14 19:36:42 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 }
    115