/*      $NetBSD: battlestar.c,v 1.16 2008/07/20 01:03:21 lukem Exp $    */

/*
 * Copyright (c) 1983, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/cdefs.h>
#ifndef lint
__COPYRIGHT("@(#) Copyright (c) 1983, 1993\
 The Regents of the University of California.  All rights reserved.");
#endif                          /* not lint */

#ifndef lint
#if 0
static char sccsid[] = "@(#)battlestar.c        8.2 (Berkeley) 4/28/95";
#else
__RCSID("$NetBSD: battlestar.c,v 1.16 2008/07/20 01:03:21 lukem Exp $");
#endif
#endif                          /* not lint */

/*
 * Battlestar - a stellar-tropical adventure game
 *
 * Originally written by His Lordship, Admiral David W. Horatio Riggle,
 * on the Cory PDP-11/70, University of California, Berkeley.
 */

#include "extern.h"

int
main(int argc, char **argv)
{
        char    mainbuf[LINELENGTH];
        char   *next;

        /* Open the score file then revoke setgid privileges */
        open_score_file();
        setgid(getgid());

        if (argc < 2)
                initialize(NULL);
        else if (strcmp(argv[1], "-r") == 0)
                initialize((argc > 2) ? argv[2] : DEFAULT_SAVE_FILE);
        else
                initialize(argv[1]);
start:
        news();
        if (beenthere[position] <= ROOMDESC)
                beenthere[position]++;
        if (notes[LAUNCHED])
                crash();        /* decrements fuel & crash */
        if (matchlight) {
                puts("Your match splutters out.");
                matchlight = 0;
        }
        if (!notes[CANTSEE] || testbit(inven, LAMPON) ||
            testbit(location[position].objects, LAMPON)) {
                writedes();
                printobjs();
        } else
                puts("It's too dark to see anything in here!");
        whichway(location[position]);
run:
        next = getcom(mainbuf, sizeof mainbuf, ">-: ",
            "Please type in something.");
        for (wordcount = 0; next && wordcount < NWORD - 1; wordcount++)
                next = getword(next, words[wordcount], -1);
        parse();
        switch (cypher()) {
        case -1:
                goto run;
        case 0:
                goto start;
        default:
                errx(1, "bad return from cypher(): please submit a bug report");
        }
}