315 lines
8.8 KiB
C
315 lines
8.8 KiB
C
/* $NetBSD: hack.save.c,v 1.8 2003/04/02 18:36:40 jsm Exp $ */
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/*
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* Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,
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* Amsterdam
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* - Neither the name of the Stichting Centrum voor Wiskunde en
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* Informatica, nor the names of its contributors may be used to endorse or
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* promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1982 Jay Fenlason <hack@gnu.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: hack.save.c,v 1.8 2003/04/02 18:36:40 jsm Exp $");
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#endif /* not lint */
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#include <signal.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include "hack.h"
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#include "extern.h"
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int
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dosave()
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{
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if (dosave0(0)) {
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settty("Be seeing you ...\n");
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exit(0);
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}
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return (0);
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}
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#ifndef NOSAVEONHANGUP
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void
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hangup(n)
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int n __attribute__((__unused__));
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{
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(void) dosave0(1);
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exit(1);
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}
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#endif /* NOSAVEONHANGUP */
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/* returns 1 if save successful */
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int
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dosave0(hu)
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int hu;
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{
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int fd, ofd;
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int tmp; /* not ! */
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(void) signal(SIGHUP, SIG_IGN);
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(void) signal(SIGINT, SIG_IGN);
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if ((fd = creat(SAVEF, FMASK)) < 0) {
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if (!hu)
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pline("Cannot open save file. (Continue or Quit)");
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(void) unlink(SAVEF); /* ab@unido */
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return (0);
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}
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if (flags.moonphase == FULL_MOON) /* ut-sally!fletcher */
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u.uluck--; /* and unido!ab */
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savelev(fd, dlevel);
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saveobjchn(fd, invent);
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saveobjchn(fd, fcobj);
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savemonchn(fd, fallen_down);
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tmp = getuid();
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bwrite(fd, (char *) &tmp, sizeof tmp);
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bwrite(fd, (char *) &flags, sizeof(struct flag));
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bwrite(fd, (char *) &dlevel, sizeof dlevel);
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bwrite(fd, (char *) &maxdlevel, sizeof maxdlevel);
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bwrite(fd, (char *) &moves, sizeof moves);
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bwrite(fd, (char *) &u, sizeof(struct you));
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if (u.ustuck)
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bwrite(fd, (char *) &(u.ustuck->m_id), sizeof u.ustuck->m_id);
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bwrite(fd, (char *) pl_character, sizeof pl_character);
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bwrite(fd, (char *) genocided, sizeof genocided);
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bwrite(fd, (char *) fut_geno, sizeof fut_geno);
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savenames(fd);
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for (tmp = 1; tmp <= maxdlevel; tmp++) {
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if (tmp == dlevel || !level_exists[tmp])
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continue;
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glo(tmp);
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if ((ofd = open(lock, O_RDONLY)) < 0) {
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if (!hu)
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pline("Error while saving: cannot read %s.", lock);
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(void) close(fd);
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(void) unlink(SAVEF);
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if (!hu)
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done("tricked");
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return (0);
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}
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getlev(ofd, hackpid, tmp);
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(void) close(ofd);
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bwrite(fd, (char *) &tmp, sizeof tmp); /* level number */
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savelev(fd, tmp); /* actual level */
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(void) unlink(lock);
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}
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(void) close(fd);
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glo(dlevel);
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(void) unlink(lock); /* get rid of current level --jgm */
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glo(0);
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(void) unlink(lock);
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return (1);
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}
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int
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dorecover(fd)
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int fd;
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{
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int nfd;
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int tmp; /* not a ! */
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unsigned mid; /* idem */
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struct obj *otmp;
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restoring = TRUE;
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getlev(fd, 0, 0);
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invent = restobjchn(fd);
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for (otmp = invent; otmp; otmp = otmp->nobj)
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if (otmp->owornmask)
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setworn(otmp, otmp->owornmask);
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fcobj = restobjchn(fd);
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fallen_down = restmonchn(fd);
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mread(fd, (char *) &tmp, sizeof tmp);
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if (tmp != (int)getuid()) { /* strange ... */
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(void) close(fd);
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(void) unlink(SAVEF);
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puts("Saved game was not yours.");
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restoring = FALSE;
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return (0);
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}
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mread(fd, (char *) &flags, sizeof(struct flag));
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mread(fd, (char *) &dlevel, sizeof dlevel);
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mread(fd, (char *) &maxdlevel, sizeof maxdlevel);
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mread(fd, (char *) &moves, sizeof moves);
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mread(fd, (char *) &u, sizeof(struct you));
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if (u.ustuck)
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mread(fd, (char *) &mid, sizeof mid);
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mread(fd, (char *) pl_character, sizeof pl_character);
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mread(fd, (char *) genocided, sizeof genocided);
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mread(fd, (char *) fut_geno, sizeof fut_geno);
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restnames(fd);
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while (1) {
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if (read(fd, (char *) &tmp, sizeof tmp) != sizeof tmp)
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break;
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getlev(fd, 0, tmp);
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glo(tmp);
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if ((nfd = creat(lock, FMASK)) < 0)
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panic("Cannot open temp file %s!\n", lock);
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savelev(nfd, tmp);
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(void) close(nfd);
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}
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(void) lseek(fd, (off_t) 0, SEEK_SET);
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getlev(fd, 0, 0);
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(void) close(fd);
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(void) unlink(SAVEF);
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if (Punished) {
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for (otmp = fobj; otmp; otmp = otmp->nobj)
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if (otmp->olet == CHAIN_SYM)
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goto chainfnd;
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panic("Cannot find the iron chain?");
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chainfnd:
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uchain = otmp;
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if (!uball) {
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for (otmp = fobj; otmp; otmp = otmp->nobj)
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if (otmp->olet == BALL_SYM && otmp->spe)
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goto ballfnd;
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panic("Cannot find the iron ball?");
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ballfnd:
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uball = otmp;
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}
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}
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if (u.ustuck) {
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struct monst *mtmp;
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for (mtmp = fmon; mtmp; mtmp = mtmp->nmon)
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if (mtmp->m_id == mid)
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goto monfnd;
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panic("Cannot find the monster ustuck.");
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monfnd:
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u.ustuck = mtmp;
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}
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#ifndef QUEST
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setsee(); /* only to recompute seelx etc. - these
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* weren't saved */
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#endif /* QUEST */
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docrt();
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restoring = FALSE;
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return (1);
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}
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struct obj *
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restobjchn(fd)
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int fd;
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{
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struct obj *otmp, *otmp2 = NULL;
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struct obj *first = 0;
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int xl;
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while (1) {
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mread(fd, (char *) &xl, sizeof(xl));
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if (xl == -1)
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break;
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otmp = newobj(xl);
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if (!first)
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first = otmp;
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else
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otmp2->nobj = otmp;
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mread(fd, (char *) otmp, (unsigned) xl + sizeof(struct obj));
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if (!otmp->o_id)
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otmp->o_id = flags.ident++;
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otmp2 = otmp;
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}
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if (first && otmp2->nobj) {
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impossible("Restobjchn: error reading objchn.");
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otmp2->nobj = 0;
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}
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return (first);
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}
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struct monst *
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restmonchn(fd)
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int fd;
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{
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struct monst *mtmp, *mtmp2 = NULL;
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struct monst *first = 0;
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int xl;
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struct permonst *monbegin;
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long differ;
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mread(fd, (char *) &monbegin, sizeof(monbegin));
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differ = (const char *) (&mons[0]) - (const char *) (monbegin);
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#ifdef lint
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/* suppress "used before set" warning from lint */
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mtmp2 = 0;
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#endif /* lint */
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while (1) {
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mread(fd, (char *) &xl, sizeof(xl));
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if (xl == -1)
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break;
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mtmp = newmonst(xl);
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if (!first)
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first = mtmp;
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else
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mtmp2->nmon = mtmp;
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mread(fd, (char *) mtmp, (unsigned) xl + sizeof(struct monst));
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if (!mtmp->m_id)
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mtmp->m_id = flags.ident++;
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mtmp->data = (const struct permonst *)
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((const char *) mtmp->data + differ);
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if (mtmp->minvent)
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mtmp->minvent = restobjchn(fd);
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mtmp2 = mtmp;
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}
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if (first && mtmp2->nmon) {
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impossible("Restmonchn: error reading monchn.");
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mtmp2->nmon = 0;
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}
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return (first);
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}
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