1/*	$NetBSD: battlestar.c,v 1.15 2005/07/01 06:04:54 jmc 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__COPYRIGHT("@(#) Copyright (c) 1983, 1993\
35 The Regents of the University of California.  All rights reserved.");
36#endif				/* not lint */
37
38#ifndef lint
39#if 0
40static char sccsid[] = "@(#)battlestar.c	8.2 (Berkeley) 4/28/95";
41#else
42__RCSID("$NetBSD: battlestar.c,v 1.15 2005/07/01 06:04:54 jmc Exp $");
43#endif
44#endif				/* not lint */
45
46/*
47 * Battlestar - a stellar-tropical adventure game
48 *
49 * Originally written by His Lordship, Admiral David W. Horatio Riggle,
50 * on the Cory PDP-11/70, University of California, Berkeley.
51 */
52
53#include "extern.h"
54
55int
56main(int argc, char **argv)
57{
58	char    mainbuf[LINELENGTH];
59	char   *next;
60
61	/* Open the score file then revoke setgid privileges */
62	open_score_file();
63	setgid(getgid());
64
65	if (argc < 2)
66		initialize(NULL);
67	else if (strcmp(argv[1], "-r") == 0)
68		initialize((argc > 2) ? argv[2] : DEFAULT_SAVE_FILE);
69	else
70		initialize(argv[1]);
71start:
72	news();
73	if (beenthere[position] <= ROOMDESC)
74		beenthere[position]++;
75	if (notes[LAUNCHED])
76		crash();	/* decrements fuel & crash */
77	if (matchlight) {
78		puts("Your match splutters out.");
79		matchlight = 0;
80	}
81	if (!notes[CANTSEE] || testbit(inven, LAMPON) ||
82	    testbit(location[position].objects, LAMPON)) {
83		writedes();
84		printobjs();
85	} else
86		puts("It's too dark to see anything in here!");
87	whichway(location[position]);
88run:
89	next = getcom(mainbuf, sizeof mainbuf, ">-: ",
90	    "Please type in something.");
91	for (wordcount = 0; next && wordcount < NWORD - 1; wordcount++)
92		next = getword(next, words[wordcount], -1);
93	parse();
94	switch (cypher()) {
95	case -1:
96		goto run;
97	case 0:
98		goto start;
99	default:
100		errx(1, "bad return from cypher(): please submit a bug report");
101	}
102}
103