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Copy pathrestore.c
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1652 lines (1496 loc) · 48.9 KB
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/* NetHack 3.6 restore.c $NHDT-Date: 1575245087 2019/12/02 00:04:47 $ $NHDT-Branch: NetHack-3.6 $:$NHDT-Revision: 1.136 $ */
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/*-Copyright (c) Michael Allison, 2009. */
/* NetHack may be freely redistributed. See license for details. */
#include "hack.h"
#include "lev.h"
#include "tcap.h" /* for TERMLIB and ASCIIGRAPH */
#if defined(MICRO)
extern int dotcnt; /* shared with save */
extern int dotrow; /* shared with save */
#endif
#ifdef USE_TILES
extern void FDECL(substitute_tiles, (d_level *)); /* from tile.c */
#endif
#ifdef ZEROCOMP
STATIC_DCL void NDECL(zerocomp_minit);
STATIC_DCL void FDECL(zerocomp_mread, (int, genericptr_t, unsigned int));
STATIC_DCL int NDECL(zerocomp_mgetc);
#endif
STATIC_DCL void NDECL(def_minit);
STATIC_DCL void FDECL(def_mread, (int, genericptr_t, unsigned int));
STATIC_DCL void NDECL(find_lev_obj);
STATIC_DCL void FDECL(restlevchn, (int));
STATIC_DCL void FDECL(restdamage, (int, BOOLEAN_P));
STATIC_DCL void FDECL(restobj, (int, struct obj *));
STATIC_DCL struct obj *FDECL(restobjchn, (int, BOOLEAN_P, BOOLEAN_P));
STATIC_OVL void FDECL(restmon, (int, struct monst *));
STATIC_DCL struct monst *FDECL(restmonchn, (int, BOOLEAN_P));
STATIC_DCL struct fruit *FDECL(loadfruitchn, (int));
STATIC_DCL void FDECL(freefruitchn, (struct fruit *));
STATIC_DCL void FDECL(ghostfruit, (struct obj *));
STATIC_DCL boolean FDECL(restgamestate, (int, unsigned int *, unsigned int *));
STATIC_DCL void FDECL(restlevelstate, (unsigned int, unsigned int));
STATIC_DCL int FDECL(restlevelfile, (int, XCHAR_P));
STATIC_OVL void FDECL(restore_msghistory, (int));
STATIC_DCL void FDECL(reset_oattached_mids, (BOOLEAN_P));
STATIC_DCL void FDECL(rest_levl, (int, BOOLEAN_P));
static struct restore_procs {
const char *name;
int mread_flags;
void NDECL((*restore_minit));
void FDECL((*restore_mread), (int, genericptr_t, unsigned int));
void FDECL((*restore_bclose), (int));
} restoreprocs = {
#if !defined(ZEROCOMP) || (defined(COMPRESS) || defined(ZLIB_COMP))
"externalcomp", 0, def_minit, def_mread, def_bclose,
#else
"zerocomp", 0, zerocomp_minit, zerocomp_mread, zerocomp_bclose,
#endif
};
/*
* Save a mapping of IDs from ghost levels to the current level. This
* map is used by the timer routines when restoring ghost levels.
*/
#define N_PER_BUCKET 64
struct bucket {
struct bucket *next;
struct {
unsigned gid; /* ghost ID */
unsigned nid; /* new ID */
} map[N_PER_BUCKET];
};
STATIC_DCL void NDECL(clear_id_mapping);
STATIC_DCL void FDECL(add_id_mapping, (unsigned, unsigned));
static int n_ids_mapped = 0;
static struct bucket *id_map = 0;
#ifdef AMII_GRAPHICS
void FDECL(amii_setpens, (int)); /* use colors from save file */
extern int amii_numcolors;
#endif
#include "display.h"
boolean restoring = FALSE;
static NEARDATA struct fruit *oldfruit;
static NEARDATA long omoves;
#define Is_IceBox(o) ((o)->otyp == ICE_BOX ? TRUE : FALSE)
/* Recalculate level.objects[x][y], since this info was not saved. */
STATIC_OVL void
find_lev_obj()
{
register struct obj *fobjtmp = (struct obj *) 0;
register struct obj *otmp;
int x, y;
for (x = 0; x < COLNO; x++)
for (y = 0; y < ROWNO; y++)
level.objects[x][y] = (struct obj *) 0;
/*
* Reverse the entire fobj chain, which is necessary so that we can
* place the objects in the proper order. Make all obj in chain
* OBJ_FREE so place_object will work correctly.
*/
while ((otmp = fobj) != 0) {
fobj = otmp->nobj;
otmp->nobj = fobjtmp;
otmp->where = OBJ_FREE;
fobjtmp = otmp;
}
/* fobj should now be empty */
/* Set level.objects (as well as reversing the chain back again) */
while ((otmp = fobjtmp) != 0) {
fobjtmp = otmp->nobj;
place_object(otmp, otmp->ox, otmp->oy);
}
}
/* Things that were marked "in_use" when the game was saved (ex. via the
* infamous "HUP" cheat) get used up here.
*/
void
inven_inuse(quietly)
boolean quietly;
{
register struct obj *otmp, *otmp2;
for (otmp = invent; otmp; otmp = otmp2) {
otmp2 = otmp->nobj;
if (otmp->in_use) {
if (!quietly)
pline("Finishing off %s...", xname(otmp));
useup(otmp);
}
}
}
STATIC_OVL void
restlevchn(fd)
register int fd;
{
int cnt;
s_level *tmplev, *x;
sp_levchn = (s_level *) 0;
mread(fd, (genericptr_t) &cnt, sizeof(int));
for (; cnt > 0; cnt--) {
tmplev = (s_level *) alloc(sizeof(s_level));
mread(fd, (genericptr_t) tmplev, sizeof(s_level));
if (!sp_levchn)
sp_levchn = tmplev;
else {
for (x = sp_levchn; x->next; x = x->next)
;
x->next = tmplev;
}
tmplev->next = (s_level *) 0;
}
}
STATIC_OVL void
restdamage(fd, ghostly)
int fd;
boolean ghostly;
{
int counter;
struct damage *tmp_dam;
mread(fd, (genericptr_t) &counter, sizeof(counter));
if (!counter)
return;
tmp_dam = (struct damage *) alloc(sizeof(struct damage));
while (--counter >= 0) {
char damaged_shops[5], *shp = (char *) 0;
mread(fd, (genericptr_t) tmp_dam, sizeof(*tmp_dam));
if (ghostly)
tmp_dam->when += (monstermoves - omoves);
Strcpy(damaged_shops,
in_rooms(tmp_dam->place.x, tmp_dam->place.y, SHOPBASE));
if (u.uz.dlevel) {
/* when restoring, there are two passes over the current
* level. the first time, u.uz isn't set, so neither is
* shop_keeper(). just wait and process the damage on
* the second pass.
*/
for (shp = damaged_shops; *shp; shp++) {
struct monst *shkp = shop_keeper(*shp);
if (shkp && inhishop(shkp)
&& repair_damage(shkp, tmp_dam, (int *) 0, TRUE))
break;
}
}
if (!shp || !*shp) {
tmp_dam->next = level.damagelist;
level.damagelist = tmp_dam;
tmp_dam = (struct damage *) alloc(sizeof(*tmp_dam));
}
}
free((genericptr_t) tmp_dam);
}
/* restore one object */
STATIC_OVL void
restobj(fd, otmp)
int fd;
struct obj *otmp;
{
int buflen;
mread(fd, (genericptr_t) otmp, sizeof(struct obj));
/* next object pointers are invalid; otmp->cobj needs to be left
as is--being non-null is key to restoring container contents */
otmp->nobj = otmp->nexthere = (struct obj *) 0;
/* non-null oextra needs to be reconstructed */
if (otmp->oextra) {
otmp->oextra = newoextra();
/* oname - object's name */
mread(fd, (genericptr_t) &buflen, sizeof(buflen));
if (buflen > 0) { /* includes terminating '\0' */
new_oname(otmp, buflen);
mread(fd, (genericptr_t) ONAME(otmp), buflen);
}
/* omonst - corpse or statue might retain full monster details */
mread(fd, (genericptr_t) &buflen, sizeof(buflen));
if (buflen > 0) {
newomonst(otmp);
/* this is actually a monst struct, so we
can just defer to restmon() here */
restmon(fd, OMONST(otmp));
}
/* omid - monster id number, connecting corpse to ghost */
mread(fd, (genericptr_t) &buflen, sizeof(buflen));
if (buflen > 0) {
newomid(otmp);
mread(fd, (genericptr_t) OMID(otmp), buflen);
}
/* olong - temporary gold */
mread(fd, (genericptr_t) &buflen, sizeof(buflen));
if (buflen > 0) {
newolong(otmp);
mread(fd, (genericptr_t) OLONG(otmp), buflen);
}
/* omailcmd - feedback mechanism for scroll of mail */
mread(fd, (genericptr_t) &buflen, sizeof(buflen));
if (buflen > 0) {
char *omailcmd = (char *) alloc(buflen);
mread(fd, (genericptr_t) omailcmd, buflen);
new_omailcmd(otmp, omailcmd);
free((genericptr_t) omailcmd);
}
}
}
STATIC_OVL struct obj *
restobjchn(fd, ghostly, frozen)
register int fd;
boolean ghostly, frozen;
{
register struct obj *otmp, *otmp2 = 0;
register struct obj *first = (struct obj *) 0;
int buflen;
while (1) {
mread(fd, (genericptr_t) &buflen, sizeof buflen);
if (buflen == -1)
break;
otmp = newobj();
restobj(fd, otmp);
if (!first)
first = otmp;
else
otmp2->nobj = otmp;
if (ghostly) {
unsigned nid = context.ident++;
add_id_mapping(otmp->o_id, nid);
otmp->o_id = nid;
}
if (ghostly && otmp->otyp == SLIME_MOLD)
ghostfruit(otmp);
/* Ghost levels get object age shifted from old player's clock
* to new player's clock. Assumption: new player arrived
* immediately after old player died.
*/
if (ghostly && !frozen && !age_is_relative(otmp))
otmp->age = monstermoves - omoves + otmp->age;
/* get contents of a container or statue */
if (Has_contents(otmp)) {
struct obj *otmp3;
otmp->cobj = restobjchn(fd, ghostly, Is_IceBox(otmp));
/* restore container back pointers */
for (otmp3 = otmp->cobj; otmp3; otmp3 = otmp3->nobj)
otmp3->ocontainer = otmp;
} else if (SchroedingersBox(otmp)) {
struct obj *catcorpse;
/*
* TODO: Remove this after 3.6.x save compatibility is dropped.
*
* As of 3.6.2, SchroedingersBox() always has a cat corpse in it.
* For 3.6.[01], it was empty and its weight was falsified
* to have the value it would have had if there was one inside.
* Put a non-rotting cat corpse in this box to convert to 3.6.2.
*
* [Note: after this fix up, future save/restore of this object
* will take the Has_contents() code path above.]
*/
if ((catcorpse = mksobj(CORPSE, TRUE, FALSE)) != 0) {
otmp->spe = 1; /* flag for special SchroedingersBox */
set_corpsenm(catcorpse, PM_HOUSECAT);
(void) stop_timer(ROT_CORPSE, obj_to_any(catcorpse));
add_to_container(otmp, catcorpse);
otmp->owt = weight(otmp);
}
}
if (otmp->bypass)
otmp->bypass = 0;
if (!ghostly) {
/* fix the pointers */
if (otmp->o_id == context.victual.o_id)
context.victual.piece = otmp;
if (otmp->o_id == context.tin.o_id)
context.tin.tin = otmp;
if (otmp->o_id == context.spbook.o_id)
context.spbook.book = otmp;
}
otmp2 = otmp;
}
if (first && otmp2->nobj) {
impossible("Restobjchn: error reading objchn.");
otmp2->nobj = 0;
}
return first;
}
/* restore one monster */
STATIC_OVL void
restmon(fd, mtmp)
int fd;
struct monst *mtmp;
{
int buflen;
mread(fd, (genericptr_t) mtmp, sizeof(struct monst));
/* next monster pointer is invalid */
mtmp->nmon = (struct monst *) 0;
/* non-null mextra needs to be reconstructed */
if (mtmp->mextra) {
mtmp->mextra = newmextra();
/* mname - monster's name */
mread(fd, (genericptr_t) &buflen, sizeof(buflen));
if (buflen > 0) { /* includes terminating '\0' */
new_mname(mtmp, buflen);
mread(fd, (genericptr_t) MNAME(mtmp), buflen);
}
/* egd - vault guard */
mread(fd, (genericptr_t) &buflen, sizeof(buflen));
if (buflen > 0) {
newegd(mtmp);
mread(fd, (genericptr_t) EGD(mtmp), sizeof(struct egd));
}
/* epri - temple priest */
mread(fd, (genericptr_t) &buflen, sizeof(buflen));
if (buflen > 0) {
newepri(mtmp);
mread(fd, (genericptr_t) EPRI(mtmp), sizeof(struct epri));
}
/* eshk - shopkeeper */
mread(fd, (genericptr_t) &buflen, sizeof(buflen));
if (buflen > 0) {
neweshk(mtmp);
mread(fd, (genericptr_t) ESHK(mtmp), sizeof(struct eshk));
}
/* emin - minion */
mread(fd, (genericptr_t) &buflen, sizeof(buflen));
if (buflen > 0) {
newemin(mtmp);
mread(fd, (genericptr_t) EMIN(mtmp), sizeof(struct emin));
}
/* edog - pet */
mread(fd, (genericptr_t) &buflen, sizeof(buflen));
if (buflen > 0) {
newedog(mtmp);
mread(fd, (genericptr_t) EDOG(mtmp), sizeof(struct edog));
}
/* mcorpsenm - obj->corpsenm for mimic posing as corpse or
statue (inline int rather than pointer to something) */
mread(fd, (genericptr_t) &MCORPSENM(mtmp), sizeof MCORPSENM(mtmp));
} /* mextra */
}
STATIC_OVL struct monst *
restmonchn(fd, ghostly)
register int fd;
boolean ghostly;
{
register struct monst *mtmp, *mtmp2 = 0;
register struct monst *first = (struct monst *) 0;
int offset, buflen;
while (1) {
mread(fd, (genericptr_t) &buflen, sizeof(buflen));
if (buflen == -1)
break;
mtmp = newmonst();
restmon(fd, mtmp);
if (!first)
first = mtmp;
else
mtmp2->nmon = mtmp;
if (ghostly) {
unsigned nid = context.ident++;
add_id_mapping(mtmp->m_id, nid);
mtmp->m_id = nid;
}
offset = mtmp->mnum;
mtmp->data = &mons[offset];
if (ghostly) {
int mndx = monsndx(mtmp->data);
if (propagate(mndx, TRUE, ghostly) == 0) {
/* cookie to trigger purge in getbones() */
mtmp->mhpmax = DEFUNCT_MONSTER;
}
}
if (mtmp->minvent) {
struct obj *obj;
mtmp->minvent = restobjchn(fd, ghostly, FALSE);
/* restore monster back pointer */
for (obj = mtmp->minvent; obj; obj = obj->nobj)
obj->ocarry = mtmp;
}
if (mtmp->mw) {
struct obj *obj;
for (obj = mtmp->minvent; obj; obj = obj->nobj)
if (obj->owornmask & W_WEP)
break;
if (obj)
mtmp->mw = obj;
else {
MON_NOWEP(mtmp);
impossible("bad monster weapon restore");
}
}
if (mtmp->isshk)
restshk(mtmp, ghostly);
if (mtmp->ispriest)
restpriest(mtmp, ghostly);
if (!ghostly) {
if (mtmp->m_id == context.polearm.m_id)
context.polearm.hitmon = mtmp;
}
mtmp2 = mtmp;
}
if (first && mtmp2->nmon) {
impossible("Restmonchn: error reading monchn.");
mtmp2->nmon = 0;
}
return first;
}
STATIC_OVL struct fruit *
loadfruitchn(fd)
int fd;
{
register struct fruit *flist, *fnext;
flist = 0;
while (fnext = newfruit(), mread(fd, (genericptr_t) fnext, sizeof *fnext),
fnext->fid != 0) {
fnext->nextf = flist;
flist = fnext;
}
dealloc_fruit(fnext);
return flist;
}
STATIC_OVL void
freefruitchn(flist)
register struct fruit *flist;
{
register struct fruit *fnext;
while (flist) {
fnext = flist->nextf;
dealloc_fruit(flist);
flist = fnext;
}
}
STATIC_OVL void
ghostfruit(otmp)
register struct obj *otmp;
{
register struct fruit *oldf;
for (oldf = oldfruit; oldf; oldf = oldf->nextf)
if (oldf->fid == otmp->spe)
break;
if (!oldf)
impossible("no old fruit?");
else
otmp->spe = fruitadd(oldf->fname, (struct fruit *) 0);
}
#ifdef SYSCF
#define SYSOPT_CHECK_SAVE_UID sysopt.check_save_uid
#else
#define SYSOPT_CHECK_SAVE_UID TRUE
#endif
STATIC_OVL
boolean
restgamestate(fd, stuckid, steedid)
register int fd;
unsigned int *stuckid, *steedid;
{
struct flag newgameflags;
#ifdef SYSFLAGS
struct sysflag newgamesysflags;
#endif
struct context_info newgamecontext; /* all 0, but has some pointers */
struct obj *otmp;
struct obj *bc_obj;
char timebuf[15];
unsigned long uid;
boolean defer_perm_invent;
mread(fd, (genericptr_t) &uid, sizeof uid);
if (SYSOPT_CHECK_SAVE_UID
&& uid != (unsigned long) getuid()) { /* strange ... */
/* for wizard mode, issue a reminder; for others, treat it
as an attempt to cheat and refuse to restore this file */
pline("Saved game was not yours.");
if (!wizard)
return FALSE;
}
newgamecontext = context; /* copy statically init'd context */
mread(fd, (genericptr_t) &context, sizeof (struct context_info));
context.warntype.species = (context.warntype.speciesidx >= LOW_PM)
? &mons[context.warntype.speciesidx]
: (struct permonst *) 0;
/* context.victual.piece, .tin.tin, .spellbook.book, and .polearm.hitmon
are pointers which get set to Null during save and will be recovered
via corresponding o_id or m_id while objs or mons are being restored */
/* we want to be able to revert to command line/environment/config
file option values instead of keeping old save file option values
if partial restore fails and we resort to starting a new game */
newgameflags = flags;
mread(fd, (genericptr_t) &flags, sizeof (struct flag));
/* avoid keeping permanent inventory window up to date during restore
(setworn() calls update_inventory); attempting to include the cost
of unpaid items before shopkeeper's bill is available is a no-no;
named fruit names aren't accessible yet either
[3.6.2: moved perm_invent from flags to iflags to keep it out of
save files; retaining the override here is simpler than trying to
to figure out where it really belongs now] */
defer_perm_invent = iflags.perm_invent;
iflags.perm_invent = FALSE;
/* wizard and discover are actually flags.debug and flags.explore;
player might be overriding the save file values for them;
in the discover case, we don't want to set that for a normal
game until after the save file has been removed */
iflags.deferred_X = (newgameflags.explore && !discover);
if (newgameflags.debug) {
/* authorized by startup code; wizard mode exists and is allowed */
wizard = TRUE, discover = iflags.deferred_X = FALSE;
} else if (wizard) {
/* specified by save file; check authorization now */
set_playmode();
}
#ifdef SYSFLAGS
newgamesysflags = sysflags;
mread(fd, (genericptr_t) &sysflags, sizeof(struct sysflag));
#endif
role_init(); /* Reset the initial role, race, gender, and alignment */
#ifdef AMII_GRAPHICS
amii_setpens(amii_numcolors); /* use colors from save file */
#endif
mread(fd, (genericptr_t) &u, sizeof(struct you));
#define ReadTimebuf(foo) \
mread(fd, (genericptr_t) timebuf, 14); \
timebuf[14] = '\0'; \
foo = time_from_yyyymmddhhmmss(timebuf);
ReadTimebuf(ubirthday);
mread(fd, &urealtime.realtime, sizeof urealtime.realtime);
ReadTimebuf(urealtime.start_timing); /** [not used] **/
/* current time is the time to use for next urealtime.realtime update */
urealtime.start_timing = getnow();
set_uasmon();
#ifdef CLIPPING
cliparound(u.ux, u.uy);
#endif
if (u.uhp <= 0 && (!Upolyd || u.mh <= 0)) {
u.ux = u.uy = 0; /* affects pline() [hence You()] */
You("were not healthy enough to survive restoration.");
/* wiz1_level.dlevel is used by mklev.c to see if lots of stuff is
* uninitialized, so we only have to set it and not the other stuff.
*/
wiz1_level.dlevel = 0;
u.uz.dnum = 0;
u.uz.dlevel = 1;
/* revert to pre-restore option settings */
iflags.deferred_X = FALSE;
iflags.perm_invent = defer_perm_invent;
flags = newgameflags;
#ifdef SYSFLAGS
sysflags = newgamesysflags;
#endif
context = newgamecontext;
return FALSE;
}
/* in case hangup save occurred in midst of level change */
assign_level(&u.uz0, &u.uz);
/* this stuff comes after potential aborted restore attempts */
restore_killers(fd);
restore_timers(fd, RANGE_GLOBAL, FALSE, 0L);
restore_light_sources(fd);
invent = restobjchn(fd, FALSE, FALSE);
/* restore dangling (not on floor or in inventory) ball and/or chain */
bc_obj = restobjchn(fd, FALSE, FALSE);
while (bc_obj) {
struct obj *nobj = bc_obj->nobj;
if (bc_obj->owornmask)
setworn(bc_obj, bc_obj->owornmask);
bc_obj->nobj = (struct obj *) 0;
bc_obj = nobj;
}
migrating_objs = restobjchn(fd, FALSE, FALSE);
migrating_mons = restmonchn(fd, FALSE);
mread(fd, (genericptr_t) mvitals, sizeof mvitals);
/*
* There are some things after this that can have unintended display
* side-effects too early in the game.
* Disable see_monsters() here, re-enable it at the top of moveloop()
*/
defer_see_monsters = TRUE;
/* this comes after inventory has been loaded */
for (otmp = invent; otmp; otmp = otmp->nobj)
if (otmp->owornmask)
setworn(otmp, otmp->owornmask);
/* reset weapon so that player will get a reminder about "bashing"
during next fight when bare-handed or wielding an unconventional
item; for pick-axe, we aren't able to distinguish between having
applied or wielded it, so be conservative and assume the former */
otmp = uwep; /* `uwep' usually init'd by setworn() in loop above */
uwep = 0; /* clear it and have setuwep() reinit */
setuwep(otmp); /* (don't need any null check here) */
if (!uwep || uwep->otyp == PICK_AXE || uwep->otyp == GRAPPLING_HOOK)
unweapon = TRUE;
restore_dungeon(fd);
restlevchn(fd);
mread(fd, (genericptr_t) &moves, sizeof moves);
mread(fd, (genericptr_t) &monstermoves, sizeof monstermoves);
mread(fd, (genericptr_t) &quest_status, sizeof (struct q_score));
mread(fd, (genericptr_t) spl_book, (MAXSPELL + 1) * sizeof (struct spell));
restore_artifacts(fd);
restore_oracles(fd);
if (u.ustuck)
mread(fd, (genericptr_t) stuckid, sizeof *stuckid);
if (u.usteed)
mread(fd, (genericptr_t) steedid, sizeof *steedid);
mread(fd, (genericptr_t) pl_character, sizeof pl_character);
mread(fd, (genericptr_t) pl_fruit, sizeof pl_fruit);
freefruitchn(ffruit); /* clean up fruit(s) made by initoptions() */
ffruit = loadfruitchn(fd);
restnames(fd);
restore_waterlevel(fd);
restore_msghistory(fd);
/* must come after all mons & objs are restored */
relink_timers(FALSE);
relink_light_sources(FALSE);
/* inventory display is now viable */
iflags.perm_invent = defer_perm_invent;
return TRUE;
}
/* update game state pointers to those valid for the current level (so we
* don't dereference a wild u.ustuck when saving the game state, for instance)
*/
STATIC_OVL void
restlevelstate(stuckid, steedid)
unsigned int stuckid, steedid;
{
register struct monst *mtmp;
if (stuckid) {
for (mtmp = fmon; mtmp; mtmp = mtmp->nmon)
if (mtmp->m_id == stuckid)
break;
if (!mtmp)
panic("Cannot find the monster ustuck.");
u.ustuck = mtmp;
}
if (steedid) {
for (mtmp = fmon; mtmp; mtmp = mtmp->nmon)
if (mtmp->m_id == steedid)
break;
if (!mtmp)
panic("Cannot find the monster usteed.");
u.usteed = mtmp;
remove_monster(mtmp->mx, mtmp->my);
}
}
/*ARGSUSED*/
STATIC_OVL int
restlevelfile(fd, ltmp)
int fd; /* fd used in MFLOPPY only */
xchar ltmp;
{
int nfd;
char whynot[BUFSZ];
#ifndef MFLOPPY
nhUse(fd);
#endif
nfd = create_levelfile(ltmp, whynot);
if (nfd < 0) {
/* BUG: should suppress any attempt to write a panic
save file if file creation is now failing... */
panic("restlevelfile: %s", whynot);
}
#ifdef MFLOPPY
if (!savelev(nfd, ltmp, COUNT_SAVE)) {
/* The savelev can't proceed because the size required
* is greater than the available disk space.
*/
pline("Not enough space on `%s' to restore your game.", levels);
/* Remove levels and bones that may have been created.
*/
(void) nhclose(nfd);
#ifdef AMIGA
clearlocks();
#else /* !AMIGA */
eraseall(levels, alllevels);
eraseall(levels, allbones);
/* Perhaps the person would like to play without a
* RAMdisk.
*/
if (ramdisk) {
/* PlaywoRAMdisk may not return, but if it does
* it is certain that ramdisk will be 0.
*/
playwoRAMdisk();
/* Rewind save file and try again */
(void) lseek(fd, (off_t) 0, 0);
(void) validate(fd, (char *) 0); /* skip version etc */
return dorecover(fd); /* 0 or 1 */
}
#endif /* ?AMIGA */
pline("Be seeing you...");
nh_terminate(EXIT_SUCCESS);
}
#endif /* MFLOPPY */
bufon(nfd);
savelev(nfd, ltmp, WRITE_SAVE | FREE_SAVE);
bclose(nfd);
return 2;
}
int
dorecover(fd)
register int fd;
{
unsigned int stuckid = 0, steedid = 0; /* not a register */
xchar ltmp;
int rtmp;
struct obj *otmp;
restoring = TRUE;
get_plname_from_file(fd, plname);
getlev(fd, 0, (xchar) 0, FALSE);
if (!restgamestate(fd, &stuckid, &steedid)) {
display_nhwindow(WIN_MESSAGE, TRUE);
savelev(-1, 0, FREE_SAVE); /* discard current level */
(void) nhclose(fd);
(void) delete_savefile();
restoring = FALSE;
return 0;
}
restlevelstate(stuckid, steedid);
#ifdef INSURANCE
savestateinlock();
#endif
rtmp = restlevelfile(fd, ledger_no(&u.uz));
if (rtmp < 2)
return rtmp; /* dorecover called recursively */
/* these pointers won't be valid while we're processing the
* other levels, but they'll be reset again by restlevelstate()
* afterwards, and in the meantime at least u.usteed may mislead
* place_monster() on other levels
*/
u.ustuck = (struct monst *) 0;
u.usteed = (struct monst *) 0;
#ifdef MICRO
#ifdef AMII_GRAPHICS
{
extern struct window_procs amii_procs;
if (WINDOWPORT("amii") {
extern winid WIN_BASE;
clear_nhwindow(WIN_BASE); /* hack until there's a hook for this */
}
}
#else
clear_nhwindow(WIN_MAP);
#endif
clear_nhwindow(WIN_MESSAGE);
You("return to level %d in %s%s.", depth(&u.uz),
dungeons[u.uz.dnum].dname,
flags.debug ? " while in debug mode"
: flags.explore ? " while in explore mode" : "");
curs(WIN_MAP, 1, 1);
dotcnt = 0;
dotrow = 2;
if (!WINDOWPORT("X11"))
putstr(WIN_MAP, 0, "Restoring:");
#endif
restoreprocs.mread_flags = 1; /* return despite error */
while (1) {
mread(fd, (genericptr_t) <mp, sizeof ltmp);
if (restoreprocs.mread_flags == -1)
break;
getlev(fd, 0, ltmp, FALSE);
#ifdef MICRO
curs(WIN_MAP, 1 + dotcnt++, dotrow);
if (dotcnt >= (COLNO - 1)) {
dotrow++;
dotcnt = 0;
}
if (!WINDOWPORT("X11")) {
putstr(WIN_MAP, 0, ".");
}
mark_synch();
#endif
rtmp = restlevelfile(fd, ltmp);
if (rtmp < 2)
return rtmp; /* dorecover called recursively */
}
restoreprocs.mread_flags = 0;
#ifdef BSD
(void) lseek(fd, 0L, 0);
#else
(void) lseek(fd, (off_t) 0, 0);
#endif
(void) validate(fd, (char *) 0); /* skip version and savefile info */
get_plname_from_file(fd, plname);
getlev(fd, 0, (xchar) 0, FALSE);
(void) nhclose(fd);
/* Now set the restore settings to match the
* settings used by the save file output routines
*/
reset_restpref();
restlevelstate(stuckid, steedid);
program_state.something_worth_saving = 1; /* useful data now exists */
if (!wizard && !discover)
(void) delete_savefile();
if (Is_rogue_level(&u.uz))
assign_graphics(ROGUESET);
#ifdef USE_TILES
substitute_tiles(&u.uz);
#endif
#ifdef MFLOPPY
gameDiskPrompt();
#endif
max_rank_sz(); /* to recompute mrank_sz (botl.c) */
/* take care of iron ball & chain */
for (otmp = fobj; otmp; otmp = otmp->nobj)
if (otmp->owornmask)
setworn(otmp, otmp->owornmask);
if ((uball && !uchain) || (uchain && !uball)) {
impossible("restgamestate: lost ball & chain");
/* poor man's unpunish() */
setworn((struct obj *) 0, W_CHAIN);
setworn((struct obj *) 0, W_BALL);
}
/* in_use processing must be after:
* + The inventory has been read so that freeinv() works.
* + The current level has been restored so billing information
* is available.
*/
inven_inuse(FALSE);
load_qtlist(); /* re-load the quest text info */
/* Set up the vision internals, after levl[] data is loaded
but before docrt(). */
reglyph_darkroom();
vision_reset();
vision_full_recalc = 1; /* recompute vision (not saved) */
run_timers(); /* expire all timers that have gone off while away */
docrt();
restoring = FALSE;
clear_nhwindow(WIN_MESSAGE);
/* Success! */
welcome(FALSE);
check_special_room(FALSE);
return 1;
}
void
restcemetery(fd, cemeteryaddr)
int fd;
struct cemetery **cemeteryaddr;
{
struct cemetery *bonesinfo, **bonesaddr;
int flag;
mread(fd, (genericptr_t) &flag, sizeof flag);
if (flag == 0) {
bonesaddr = cemeteryaddr;
do {
bonesinfo = (struct cemetery *) alloc(sizeof *bonesinfo);
mread(fd, (genericptr_t) bonesinfo, sizeof *bonesinfo);
*bonesaddr = bonesinfo;
bonesaddr = &(*bonesaddr)->next;
} while (*bonesaddr);
} else {
*cemeteryaddr = 0;
}
}
/*ARGSUSED*/
STATIC_OVL void
rest_levl(fd, rlecomp)
int fd;
boolean rlecomp;
{
#ifdef RLECOMP
short i, j;
uchar len;
struct rm r;
if (rlecomp) {
(void) memset((genericptr_t) &r, 0, sizeof(r));
i = 0;
j = 0;
len = 0;
while (i < ROWNO) {
while (j < COLNO) {
if (len > 0) {
levl[j][i] = r;
len -= 1;
j += 1;
} else {
mread(fd, (genericptr_t) &len, sizeof(uchar));
mread(fd, (genericptr_t) &r, sizeof(struct rm));
}
}
j = 0;
i += 1;
}