xref: /openbsd/games/sail/dr_main.c (revision 4bdff4be)
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 
42 int
43 dr_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