311 lines
8.5 KiB
C
311 lines
8.5 KiB
C
/* $NetBSD: hack.save.c,v 1.16 2011/08/06 20:42:43 dholland Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,
|
|
* Amsterdam
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met:
|
|
*
|
|
* - Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
*
|
|
* - 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.
|
|
*
|
|
* - Neither the name of the Stichting Centrum voor Wiskunde en
|
|
* Informatica, 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER
|
|
* 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.
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 1982 Jay Fenlason <hack@gnu.org>
|
|
* 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. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED ``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 AUTHOR 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
|
|
__RCSID("$NetBSD: hack.save.c,v 1.16 2011/08/06 20:42:43 dholland Exp $");
|
|
#endif /* not lint */
|
|
|
|
#include <signal.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include "hack.h"
|
|
#include "extern.h"
|
|
|
|
static int dosave0(int);
|
|
|
|
int
|
|
dosave(void)
|
|
{
|
|
if (dosave0(0)) {
|
|
settty("Be seeing you ...\n");
|
|
exit(0);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
#ifndef NOSAVEONHANGUP
|
|
void
|
|
hang_up(int n __unused)
|
|
{
|
|
(void) dosave0(1);
|
|
exit(1);
|
|
}
|
|
#endif /* NOSAVEONHANGUP */
|
|
|
|
/* returns 1 if save successful */
|
|
static int
|
|
dosave0(int hu)
|
|
{
|
|
int fd, ofd;
|
|
int tmp; /* not ! */
|
|
|
|
(void) signal(SIGHUP, SIG_IGN);
|
|
(void) signal(SIGINT, SIG_IGN);
|
|
if ((fd = creat(SAVEF, FMASK)) < 0) {
|
|
if (!hu)
|
|
pline("Cannot open save file. (Continue or Quit)");
|
|
(void) unlink(SAVEF); /* ab@unido */
|
|
return (0);
|
|
}
|
|
if (flags.moonphase == FULL_MOON) /* ut-sally!fletcher */
|
|
u.uluck--; /* and unido!ab */
|
|
savelev(fd, dlevel);
|
|
saveobjchn(fd, invent);
|
|
saveobjchn(fd, fcobj);
|
|
savemonchn(fd, fallen_down);
|
|
tmp = getuid();
|
|
bwrite(fd, &tmp, sizeof tmp);
|
|
bwrite(fd, &flags, sizeof(struct flag));
|
|
bwrite(fd, &dlevel, sizeof dlevel);
|
|
bwrite(fd, &maxdlevel, sizeof maxdlevel);
|
|
bwrite(fd, &moves, sizeof moves);
|
|
bwrite(fd, &u, sizeof(struct you));
|
|
if (u.ustuck)
|
|
bwrite(fd, &(u.ustuck->m_id), sizeof u.ustuck->m_id);
|
|
bwrite(fd, pl_character, sizeof pl_character);
|
|
bwrite(fd, genocided, sizeof genocided);
|
|
bwrite(fd, fut_geno, sizeof fut_geno);
|
|
savenames(fd);
|
|
for (tmp = 1; tmp <= maxdlevel; tmp++) {
|
|
|
|
if (tmp == dlevel || !level_exists[tmp])
|
|
continue;
|
|
glo(tmp);
|
|
if ((ofd = open(lock, O_RDONLY)) < 0) {
|
|
if (!hu)
|
|
pline("Error while saving: cannot read %s.", lock);
|
|
(void) close(fd);
|
|
(void) unlink(SAVEF);
|
|
if (!hu)
|
|
done("tricked");
|
|
return (0);
|
|
}
|
|
getlev(ofd, hackpid, tmp);
|
|
(void) close(ofd);
|
|
bwrite(fd, &tmp, sizeof tmp); /* level number */
|
|
savelev(fd, tmp); /* actual level */
|
|
(void) unlink(lock);
|
|
}
|
|
(void) close(fd);
|
|
glo(dlevel);
|
|
(void) unlink(lock); /* get rid of current level --jgm */
|
|
glo(0);
|
|
(void) unlink(lock);
|
|
return (1);
|
|
}
|
|
|
|
int
|
|
dorecover(int fd)
|
|
{
|
|
int nfd;
|
|
int tmp; /* not a ! */
|
|
unsigned mid; /* idem */
|
|
struct obj *otmp;
|
|
|
|
restoring = TRUE;
|
|
getlev(fd, 0, 0);
|
|
invent = restobjchn(fd);
|
|
for (otmp = invent; otmp; otmp = otmp->nobj)
|
|
if (otmp->owornmask)
|
|
setworn(otmp, otmp->owornmask);
|
|
fcobj = restobjchn(fd);
|
|
fallen_down = restmonchn(fd);
|
|
mread(fd, &tmp, sizeof tmp);
|
|
if (tmp != (int) getuid()) { /* strange ... */
|
|
(void) close(fd);
|
|
(void) unlink(SAVEF);
|
|
puts("Saved game was not yours.");
|
|
restoring = FALSE;
|
|
return (0);
|
|
}
|
|
mread(fd, &flags, sizeof(struct flag));
|
|
mread(fd, &dlevel, sizeof dlevel);
|
|
mread(fd, &maxdlevel, sizeof maxdlevel);
|
|
mread(fd, &moves, sizeof moves);
|
|
mread(fd, &u, sizeof(struct you));
|
|
if (u.ustuck)
|
|
mread(fd, &mid, sizeof mid);
|
|
mread(fd, pl_character, sizeof pl_character);
|
|
mread(fd, genocided, sizeof genocided);
|
|
mread(fd, fut_geno, sizeof fut_geno);
|
|
restnames(fd);
|
|
while (1) {
|
|
if (read(fd, &tmp, sizeof tmp) != sizeof tmp)
|
|
break;
|
|
getlev(fd, 0, tmp);
|
|
glo(tmp);
|
|
if ((nfd = creat(lock, FMASK)) < 0)
|
|
panic("Cannot open temp file %s!\n", lock);
|
|
savelev(nfd, tmp);
|
|
(void) close(nfd);
|
|
}
|
|
(void) lseek(fd, (off_t) 0, SEEK_SET);
|
|
getlev(fd, 0, 0);
|
|
(void) close(fd);
|
|
(void) unlink(SAVEF);
|
|
if (Punished) {
|
|
for (otmp = fobj; otmp; otmp = otmp->nobj)
|
|
if (otmp->olet == CHAIN_SYM)
|
|
goto chainfnd;
|
|
panic("Cannot find the iron chain?");
|
|
chainfnd:
|
|
uchain = otmp;
|
|
if (!uball) {
|
|
for (otmp = fobj; otmp; otmp = otmp->nobj)
|
|
if (otmp->olet == BALL_SYM && otmp->spe)
|
|
goto ballfnd;
|
|
panic("Cannot find the iron ball?");
|
|
ballfnd:
|
|
uball = otmp;
|
|
}
|
|
}
|
|
if (u.ustuck) {
|
|
struct monst *mtmp;
|
|
|
|
for (mtmp = fmon; mtmp; mtmp = mtmp->nmon)
|
|
if (mtmp->m_id == mid)
|
|
goto monfnd;
|
|
panic("Cannot find the monster ustuck.");
|
|
monfnd:
|
|
u.ustuck = mtmp;
|
|
}
|
|
#ifndef QUEST
|
|
setsee(); /* only to recompute seelx etc. - these
|
|
* weren't saved */
|
|
#endif /* QUEST */
|
|
docrt();
|
|
restoring = FALSE;
|
|
return (1);
|
|
}
|
|
|
|
struct obj *
|
|
restobjchn(int fd)
|
|
{
|
|
struct obj *otmp, *otmp2 = NULL;
|
|
struct obj *first = 0;
|
|
int xl;
|
|
while (1) {
|
|
mread(fd, &xl, sizeof(xl));
|
|
if (xl == -1)
|
|
break;
|
|
otmp = newobj(xl);
|
|
if (!first)
|
|
first = otmp;
|
|
else
|
|
otmp2->nobj = otmp;
|
|
mread(fd, otmp, (unsigned) xl + sizeof(struct obj));
|
|
if (!otmp->o_id)
|
|
otmp->o_id = flags.ident++;
|
|
otmp2 = otmp;
|
|
}
|
|
if (first && otmp2->nobj) {
|
|
impossible("Restobjchn: error reading objchn.");
|
|
otmp2->nobj = 0;
|
|
}
|
|
return (first);
|
|
}
|
|
|
|
struct monst *
|
|
restmonchn(int fd)
|
|
{
|
|
struct monst *mtmp, *mtmp2 = NULL;
|
|
struct monst *first = 0;
|
|
int xl;
|
|
|
|
struct permonst *monbegin;
|
|
long differ;
|
|
|
|
mread(fd, &monbegin, sizeof(monbegin));
|
|
differ = (const char *) (&mons[0]) - (const char *) (monbegin);
|
|
|
|
#ifdef lint
|
|
/* suppress "used before set" warning from lint */
|
|
mtmp2 = 0;
|
|
#endif /* lint */
|
|
while (1) {
|
|
mread(fd, &xl, sizeof(xl));
|
|
if (xl == -1)
|
|
break;
|
|
mtmp = newmonst(xl);
|
|
if (!first)
|
|
first = mtmp;
|
|
else
|
|
mtmp2->nmon = mtmp;
|
|
mread(fd, mtmp, (unsigned) xl + sizeof(struct monst));
|
|
if (!mtmp->m_id)
|
|
mtmp->m_id = flags.ident++;
|
|
mtmp->data = (const struct permonst *)
|
|
((const char *) mtmp->data + differ);
|
|
if (mtmp->minvent)
|
|
mtmp->minvent = restobjchn(fd);
|
|
mtmp2 = mtmp;
|
|
}
|
|
if (first && mtmp2->nmon) {
|
|
impossible("Restmonchn: error reading monchn.");
|
|
mtmp2->nmon = 0;
|
|
}
|
|
return (first);
|
|
}
|