/*      $OpenBSD: init.c,v 1.18 2022/08/08 17:57:05 op Exp $    */
/*      $NetBSD: init.c,v 1.4 1995/03/21 15:07:35 cgd 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 <err.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "extern.h"

static const char *getutmp(void);

void
initialize(const char *filename)
{
        const struct objs *p;
        char *savefile;

        puts("Version 4.2, fall 1984.");
        puts("First Adventure game written by His Lordship, the honorable");
        puts("Admiral D.W. Riggle\n");
        location = dayfile;
        username = getutmp();
        if (username == NULL)
                errx(1, "Don't know who you are.");
        wordinit();
        if (filename == NULL) {
                direction = NORTH;
                ourtime = 0;
                snooze = CYCLE * 1.5;
                position = 22;
                SetBit(wear, PAJAMAS);
                fuel = TANKFULL;
                torps = TORPEDOES;
                for (p = dayobjs; p->room != 0; p++)
                        SetBit(location[p->room].objects, p->obj);
        } else {
                savefile = save_file_name(filename);
                restore(savefile);
                free(savefile);
        }
        signal(SIGINT, die);
}

static const char *
getutmp(void)
{
        const char      *name;

        name = getenv("LOGNAME");
        if (name == NULL || *name == 0)
                name = getenv("USER");
        if (name == NULL || *name == 0)
                name = getlogin();
        if (name == NULL || *name == 0)
                name = " ??? ";

        return(strdup(name));
}