1/*	$OpenBSD: dr_main.c,v 1.8 2016/01/08 20:26:33 mestre Exp $	*/
2/*	$NetBSD: dr_main.c,v 1.4 1995/04/22 10:36:52 cgd Exp $	*/
3
4/*
5 * Copyright (c) 1983, 1993
6 *	The Regents of the University of California.  All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#include <err.h>
34#include <signal.h>
35#include <stdlib.h>
36#include <unistd.h>
37
38#include "driver.h"
39#include "extern.h"
40#include "player.h"
41
42int
43dr_main(void)
44{
45	int n;
46	struct ship *sp;
47	int nat[NNATION];
48	int value = 0;
49
50	(void) signal(SIGINT, SIG_IGN);
51	(void) signal(SIGQUIT, SIG_IGN);
52	(void) signal(SIGTSTP, SIG_IGN);
53	if (game < 0 || game >= NSCENE)
54		errx(1, "driver: Bad game number %d", game);
55	cc = &scene[game];
56	ls = SHIP(cc->vessels);
57	if (sync_open() < 0)
58		err(1, "driver: syncfile");
59	for (n = 0; n < NNATION; n++)
60		nat[n] = 0;
61	foreachship(sp) {
62		if (sp->file == NULL &&
63		    (sp->file = calloc(1, sizeof (struct File))) == NULL) {
64			(void) fprintf(stderr, "DRIVER: Out of memory.\n");
65			exit(1);
66		}
67		sp->file->index = sp - SHIP(0);
68		sp->file->loadL = L_ROUND;
69		sp->file->loadR = L_ROUND;
70		sp->file->readyR = R_LOADED|R_INITIAL;
71		sp->file->readyL = R_LOADED|R_INITIAL;
72		sp->file->stern = nat[sp->nationality]++;
73		sp->file->dir = sp->shipdir;
74		sp->file->row = sp->shiprow;
75		sp->file->col = sp->shipcol;
76	}
77	windspeed = cc->windspeed;
78	winddir = cc->winddir;
79	people = 0;
80	for (;;) {
81		sleep(7);
82		if (Sync() < 0) {
83			value = 1;
84			break;
85		}
86		if (next() < 0)
87			break;
88		unfoul();
89		checkup();
90		prizecheck();
91		moveall();
92		thinkofgrapples();
93		boardcomp();
94		compcombat();
95		resolve();
96		reload();
97		checksails();
98		if (Sync() < 0) {
99			value = 1;
100			break;
101		}
102	}
103	sync_close(1);
104	return value;
105}
106