1 /* NetHack 3.6 restore.c $NHDT-Date: 1451082255 2015/12/25 22:24:15 $ $NHDT-Branch: NetHack-3.6.0 $:$NHDT-Revision: 1.103 $ */
2 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
3 /*-Copyright (c) Michael Allison, 2009. */
4 /* NetHack may be freely redistributed. See license for details. */
6 /* JNetHack Copyright */
7 /* (c) Issei Numata, Naoki Hamada, Shigehiro Miyashita, 1994-2000 */
8 /* For 3.4-, Copyright (c) SHIRAKATA Kentaro, 2002-2018 */
9 /* JNetHack may be freely redistributed. See license for details. */
13 #include "tcap.h" /* for TERMLIB and ASCIIGRAPH */
16 extern int dotcnt; /* shared with save */
17 extern int dotrow; /* shared with save */
21 extern void FDECL(substitute_tiles, (d_level *)); /* from tile.c */
25 STATIC_DCL void NDECL(zerocomp_minit);
26 STATIC_DCL void FDECL(zerocomp_mread, (int, genericptr_t, unsigned int));
27 STATIC_DCL int NDECL(zerocomp_mgetc);
30 STATIC_DCL void NDECL(def_minit);
31 STATIC_DCL void FDECL(def_mread, (int, genericptr_t, unsigned int));
33 STATIC_DCL void NDECL(find_lev_obj);
34 STATIC_DCL void FDECL(restlevchn, (int));
35 STATIC_DCL void FDECL(restdamage, (int, BOOLEAN_P));
36 STATIC_DCL void FDECL(restobj, (int, struct obj *));
37 STATIC_DCL struct obj *FDECL(restobjchn, (int, BOOLEAN_P, BOOLEAN_P));
38 STATIC_OVL void FDECL(restmon, (int, struct monst *));
39 STATIC_DCL struct monst *FDECL(restmonchn, (int, BOOLEAN_P));
40 STATIC_DCL struct fruit *FDECL(loadfruitchn, (int));
41 STATIC_DCL void FDECL(freefruitchn, (struct fruit *));
42 STATIC_DCL void FDECL(ghostfruit, (struct obj *));
44 FDECL(restgamestate, (int, unsigned int *, unsigned int *));
45 STATIC_DCL void FDECL(restlevelstate, (unsigned int, unsigned int));
46 STATIC_DCL int FDECL(restlevelfile, (int, XCHAR_P));
47 STATIC_OVL void FDECL(restore_msghistory, (int));
48 STATIC_DCL void FDECL(reset_oattached_mids, (BOOLEAN_P));
49 STATIC_DCL void FDECL(rest_levl, (int, BOOLEAN_P));
51 static struct restore_procs {
54 void NDECL((*restore_minit));
55 void FDECL((*restore_mread), (int, genericptr_t, unsigned int));
56 void FDECL((*restore_bclose), (int));
58 #if !defined(ZEROCOMP) || (defined(COMPRESS) || defined(ZLIB_COMP))
59 "externalcomp", 0, def_minit, def_mread, def_bclose,
61 "zerocomp", 0, zerocomp_minit, zerocomp_mread, zerocomp_bclose,
66 * Save a mapping of IDs from ghost levels to the current level. This
67 * map is used by the timer routines when restoring ghost levels.
69 #define N_PER_BUCKET 64
73 unsigned gid; /* ghost ID */
74 unsigned nid; /* new ID */
78 STATIC_DCL void NDECL(clear_id_mapping);
79 STATIC_DCL void FDECL(add_id_mapping, (unsigned, unsigned));
81 static int n_ids_mapped = 0;
82 static struct bucket *id_map = 0;
85 void FDECL(amii_setpens, (int)); /* use colors from save file */
86 extern int amii_numcolors;
91 boolean restoring = FALSE;
92 static NEARDATA struct fruit *oldfruit;
93 static NEARDATA long omoves;
95 #define Is_IceBox(o) ((o)->otyp == ICE_BOX ? TRUE : FALSE)
97 /* Recalculate level.objects[x][y], since this info was not saved. */
101 register struct obj *fobjtmp = (struct obj *) 0;
102 register struct obj *otmp;
105 for (x = 0; x < COLNO; x++)
106 for (y = 0; y < ROWNO; y++)
107 level.objects[x][y] = (struct obj *) 0;
110 * Reverse the entire fobj chain, which is necessary so that we can
111 * place the objects in the proper order. Make all obj in chain
112 * OBJ_FREE so place_object will work correctly.
114 while ((otmp = fobj) != 0) {
116 otmp->nobj = fobjtmp;
117 otmp->where = OBJ_FREE;
120 /* fobj should now be empty */
122 /* Set level.objects (as well as reversing the chain back again) */
123 while ((otmp = fobjtmp) != 0) {
124 fobjtmp = otmp->nobj;
125 place_object(otmp, otmp->ox, otmp->oy);
129 /* Things that were marked "in_use" when the game was saved (ex. via the
130 * infamous "HUP" cheat) get used up here.
136 register struct obj *otmp, *otmp2;
138 for (otmp = invent; otmp; otmp = otmp2) {
143 pline("Finishing off %s...", xname(otmp));
145 pline("%s
\82ð
\8eg
\82¢
\8fI
\82¦
\82½
\81D
\81D
\81D", xname(otmp));
158 sp_levchn = (s_level *) 0;
159 mread(fd, (genericptr_t) &cnt, sizeof(int));
160 for (; cnt > 0; cnt--) {
161 tmplev = (s_level *) alloc(sizeof(s_level));
162 mread(fd, (genericptr_t) tmplev, sizeof(s_level));
166 for (x = sp_levchn; x->next; x = x->next)
170 tmplev->next = (s_level *) 0;
175 restdamage(fd, ghostly)
180 struct damage *tmp_dam;
182 mread(fd, (genericptr_t) &counter, sizeof(counter));
185 tmp_dam = (struct damage *) alloc(sizeof(struct damage));
186 while (--counter >= 0) {
187 char damaged_shops[5], *shp = (char *) 0;
189 mread(fd, (genericptr_t) tmp_dam, sizeof(*tmp_dam));
191 tmp_dam->when += (monstermoves - omoves);
192 Strcpy(damaged_shops,
193 in_rooms(tmp_dam->place.x, tmp_dam->place.y, SHOPBASE));
195 /* when restoring, there are two passes over the current
196 * level. the first time, u.uz isn't set, so neither is
197 * shop_keeper(). just wait and process the damage on
200 for (shp = damaged_shops; *shp; shp++) {
201 struct monst *shkp = shop_keeper(*shp);
203 if (shkp && inhishop(shkp)
204 && repair_damage(shkp, tmp_dam, TRUE))
209 tmp_dam->next = level.damagelist;
210 level.damagelist = tmp_dam;
211 tmp_dam = (struct damage *) alloc(sizeof(*tmp_dam));
214 free((genericptr_t) tmp_dam);
217 /* restore one object */
225 mread(fd, (genericptr_t) otmp, sizeof(struct obj));
227 /* next object pointers are invalid; otmp->cobj needs to be left
228 as is--being non-null is key to restoring container contents */
229 otmp->nobj = otmp->nexthere = (struct obj *) 0;
230 /* non-null oextra needs to be reconstructed */
232 otmp->oextra = newoextra();
234 /* oname - object's name */
235 mread(fd, (genericptr_t) &buflen, sizeof(buflen));
236 if (buflen > 0) { /* includes terminating '\0' */
237 new_oname(otmp, buflen);
238 mread(fd, (genericptr_t) ONAME(otmp), buflen);
240 /* omonst - corpse or statue might retain full monster details */
241 mread(fd, (genericptr_t) &buflen, sizeof(buflen));
244 /* this is actually a monst struct, so we
245 can just defer to restmon() here */
246 restmon(fd, OMONST(otmp));
248 /* omid - monster id number, connecting corpse to ghost */
249 mread(fd, (genericptr_t) &buflen, sizeof(buflen));
252 mread(fd, (genericptr_t) OMID(otmp), buflen);
254 /* olong - temporary gold */
255 mread(fd, (genericptr_t) &buflen, sizeof(buflen));
258 mread(fd, (genericptr_t) OLONG(otmp), buflen);
260 /* omailcmd - feedback mechanism for scroll of mail */
261 mread(fd, (genericptr_t) &buflen, sizeof(buflen));
263 char *omailcmd = (char *) alloc(buflen);
265 mread(fd, (genericptr_t) omailcmd, buflen);
266 new_omailcmd(otmp, omailcmd);
267 free((genericptr_t) omailcmd);
272 STATIC_OVL struct obj *
273 restobjchn(fd, ghostly, frozen)
275 boolean ghostly, frozen;
277 register struct obj *otmp, *otmp2 = 0;
278 register struct obj *first = (struct obj *) 0;
282 mread(fd, (genericptr_t) &buflen, sizeof buflen);
294 unsigned nid = context.ident++;
295 add_id_mapping(otmp->o_id, nid);
298 if (ghostly && otmp->otyp == SLIME_MOLD)
300 /* Ghost levels get object age shifted from old player's clock
301 * to new player's clock. Assumption: new player arrived
302 * immediately after old player died.
304 if (ghostly && !frozen && !age_is_relative(otmp))
305 otmp->age = monstermoves - omoves + otmp->age;
307 /* get contents of a container or statue */
308 if (Has_contents(otmp)) {
310 otmp->cobj = restobjchn(fd, ghostly, Is_IceBox(otmp));
311 /* restore container back pointers */
312 for (otmp3 = otmp->cobj; otmp3; otmp3 = otmp3->nobj)
313 otmp3->ocontainer = otmp;
318 /* fix the pointers */
319 if (otmp->o_id == context.victual.o_id)
320 context.victual.piece = otmp;
321 if (otmp->o_id == context.tin.o_id)
322 context.tin.tin = otmp;
323 if (otmp->o_id == context.spbook.o_id)
324 context.spbook.book = otmp;
328 if (first && otmp2->nobj) {
329 impossible("Restobjchn: error reading objchn.");
336 /* restore one monster */
344 mread(fd, (genericptr_t) mtmp, sizeof(struct monst));
346 /* next monster pointer is invalid */
347 mtmp->nmon = (struct monst *) 0;
348 /* non-null mextra needs to be reconstructed */
350 mtmp->mextra = newmextra();
352 /* mname - monster's name */
353 mread(fd, (genericptr_t) &buflen, sizeof(buflen));
354 if (buflen > 0) { /* includes terminating '\0' */
355 new_mname(mtmp, buflen);
356 mread(fd, (genericptr_t) MNAME(mtmp), buflen);
358 /* egd - vault guard */
359 mread(fd, (genericptr_t) &buflen, sizeof(buflen));
362 mread(fd, (genericptr_t) EGD(mtmp), sizeof(struct egd));
364 /* epri - temple priest */
365 mread(fd, (genericptr_t) &buflen, sizeof(buflen));
368 mread(fd, (genericptr_t) EPRI(mtmp), sizeof(struct epri));
370 /* eshk - shopkeeper */
371 mread(fd, (genericptr_t) &buflen, sizeof(buflen));
374 mread(fd, (genericptr_t) ESHK(mtmp), sizeof(struct eshk));
377 mread(fd, (genericptr_t) &buflen, sizeof(buflen));
380 mread(fd, (genericptr_t) EMIN(mtmp), sizeof(struct emin));
383 mread(fd, (genericptr_t) &buflen, sizeof(buflen));
386 mread(fd, (genericptr_t) EDOG(mtmp), sizeof(struct edog));
388 /* mcorpsenm - obj->corpsenm for mimic posing as corpse or
389 statue (inline int rather than pointer to something) */
390 mread(fd, (genericptr_t) &MCORPSENM(mtmp), sizeof MCORPSENM(mtmp));
394 STATIC_OVL struct monst *
395 restmonchn(fd, ghostly)
399 register struct monst *mtmp, *mtmp2 = 0;
400 register struct monst *first = (struct monst *) 0;
404 mread(fd, (genericptr_t) &buflen, sizeof(buflen));
416 unsigned nid = context.ident++;
417 add_id_mapping(mtmp->m_id, nid);
421 mtmp->data = &mons[offset];
423 int mndx = monsndx(mtmp->data);
424 if (propagate(mndx, TRUE, ghostly) == 0) {
425 /* cookie to trigger purge in getbones() */
426 mtmp->mhpmax = DEFUNCT_MONSTER;
431 mtmp->minvent = restobjchn(fd, ghostly, FALSE);
432 /* restore monster back pointer */
433 for (obj = mtmp->minvent; obj; obj = obj->nobj)
439 for (obj = mtmp->minvent; obj; obj = obj->nobj)
440 if (obj->owornmask & W_WEP)
446 impossible("bad monster weapon restore");
451 restshk(mtmp, ghostly);
453 restpriest(mtmp, ghostly);
456 if (mtmp->m_id == context.polearm.m_id)
457 context.polearm.hitmon = mtmp;
461 if (first && mtmp2->nmon) {
462 impossible("Restmonchn: error reading monchn.");
468 STATIC_OVL struct fruit *
472 register struct fruit *flist, *fnext;
475 while (fnext = newfruit(), mread(fd, (genericptr_t) fnext, sizeof *fnext),
477 fnext->nextf = flist;
480 dealloc_fruit(fnext);
486 register struct fruit *flist;
488 register struct fruit *fnext;
491 fnext = flist->nextf;
492 dealloc_fruit(flist);
499 register struct obj *otmp;
501 register struct fruit *oldf;
503 for (oldf = oldfruit; oldf; oldf = oldf->nextf)
504 if (oldf->fid == otmp->spe)
508 impossible("no old fruit?");
510 otmp->spe = fruitadd(oldf->fname, (struct fruit *) 0);
514 #define SYSOPT_CHECK_SAVE_UID sysopt.check_save_uid
516 #define SYSOPT_CHECK_SAVE_UID TRUE
521 restgamestate(fd, stuckid, steedid)
523 unsigned int *stuckid, *steedid;
525 struct flag newgameflags;
527 struct sysflag newgamesysflags;
529 struct obj *otmp, *tmp_bc;
533 mread(fd, (genericptr_t) &uid, sizeof uid);
534 if (SYSOPT_CHECK_SAVE_UID
535 && uid != (unsigned long) getuid()) { /* strange ... */
536 /* for wizard mode, issue a reminder; for others, treat it
537 as an attempt to cheat and refuse to restore this file */
539 pline("Saved game was not yours.");
541 pline("
\83Z
\81[
\83u
\82³
\82ê
\82½
\83Q
\81[
\83\80\82Í
\82 \82È
\82½
\82Ì
\82à
\82Ì
\82Å
\82Í
\82È
\82¢
\81D");
545 mread(fd, (genericptr_t) &context, sizeof(struct context_info));
546 if (context.warntype.speciesidx >= LOW_PM)
547 context.warntype.species = &mons[context.warntype.speciesidx];
549 /* we want to be able to revert to command line/environment/config
550 file option values instead of keeping old save file option values
551 if partial restore fails and we resort to starting a new game */
552 newgameflags = flags;
553 mread(fd, (genericptr_t) &flags, sizeof(struct flag));
554 /* wizard and discover are actually flags.debug and flags.explore;
555 player might be overriding the save file values for them;
556 in the discover case, we don't want to set that for a normal
557 game until after the save file has been removed */
558 iflags.deferred_X = (newgameflags.explore && !discover);
559 if (newgameflags.debug) {
560 /* authorized by startup code; wizard mode exists and is allowed */
561 wizard = TRUE, discover = iflags.deferred_X = FALSE;
563 /* specified by save file; check authorization now */
567 newgamesysflags = sysflags;
568 mread(fd, (genericptr_t) &sysflags, sizeof(struct sysflag));
571 role_init(); /* Reset the initial role, race, gender, and alignment */
573 amii_setpens(amii_numcolors); /* use colors from save file */
575 mread(fd, (genericptr_t) &u, sizeof(struct you));
577 #define ReadTimebuf(foo) \
578 mread(fd, (genericptr_t) timebuf, 14); \
579 timebuf[14] = '\0'; \
580 foo = time_from_yyyymmddhhmmss(timebuf);
582 ReadTimebuf(ubirthday);
583 mread(fd, &urealtime.realtime, sizeof urealtime.realtime);
584 ReadTimebuf(urealtime.start_timing); /** [not used] **/
585 /* current time is the time to use for next urealtime.realtime update */
586 urealtime.start_timing = getnow();
590 cliparound(u.ux, u.uy);
592 if (u.uhp <= 0 && (!Upolyd || u.mh <= 0)) {
593 u.ux = u.uy = 0; /* affects pline() [hence You()] */
595 You("were not healthy enough to survive restoration.");
597 You("
\8dÄ
\8aJ
\82Å
\82«
\82é
\82Ù
\82Ç
\8c\92\8dN
\82Å
\82Í
\82È
\82©
\82Á
\82½
\81D");
599 /* wiz1_level.dlevel is used by mklev.c to see if lots of stuff is
600 * uninitialized, so we only have to set it and not the other stuff.
602 wiz1_level.dlevel = 0;
605 /* revert to pre-restore option settings */
606 iflags.deferred_X = FALSE;
607 flags = newgameflags;
609 sysflags = newgamesysflags;
613 /* in case hangup save occurred in midst of level change */
614 assign_level(&u.uz0, &u.uz);
616 /* this stuff comes after potential aborted restore attempts */
618 restore_timers(fd, RANGE_GLOBAL, FALSE, 0L);
619 restore_light_sources(fd);
620 invent = restobjchn(fd, FALSE, FALSE);
621 /* tmp_bc only gets set here if the ball & chain were orphaned
622 because you were swallowed; otherwise they will be on the floor
623 or in your inventory */
624 tmp_bc = restobjchn(fd, FALSE, FALSE);
626 for (otmp = tmp_bc; otmp; otmp = otmp->nobj) {
628 setworn(otmp, otmp->owornmask);
630 if (!uball || !uchain)
631 impossible("restgamestate: lost ball & chain");
634 migrating_objs = restobjchn(fd, FALSE, FALSE);
635 migrating_mons = restmonchn(fd, FALSE);
636 mread(fd, (genericptr_t) mvitals, sizeof(mvitals));
639 * There are some things after this that can have unintended display
640 * side-effects too early in the game.
641 * Disable see_monsters() here, re-enable it at the top of moveloop()
643 defer_see_monsters = TRUE;
645 /* this comes after inventory has been loaded */
646 for (otmp = invent; otmp; otmp = otmp->nobj)
648 setworn(otmp, otmp->owornmask);
649 /* reset weapon so that player will get a reminder about "bashing"
650 during next fight when bare-handed or wielding an unconventional
651 item; for pick-axe, we aren't able to distinguish between having
652 applied or wielded it, so be conservative and assume the former */
653 otmp = uwep; /* `uwep' usually init'd by setworn() in loop above */
654 uwep = 0; /* clear it and have setuwep() reinit */
655 setuwep(otmp); /* (don't need any null check here) */
656 if (!uwep || uwep->otyp == PICK_AXE || uwep->otyp == GRAPPLING_HOOK)
661 mread(fd, (genericptr_t) &moves, sizeof moves);
662 mread(fd, (genericptr_t) &monstermoves, sizeof monstermoves);
663 mread(fd, (genericptr_t) &quest_status, sizeof(struct q_score));
664 mread(fd, (genericptr_t) spl_book, sizeof(struct spell) * (MAXSPELL + 1));
665 restore_artifacts(fd);
668 mread(fd, (genericptr_t) stuckid, sizeof(*stuckid));
670 mread(fd, (genericptr_t) steedid, sizeof(*steedid));
671 mread(fd, (genericptr_t) pl_character, sizeof pl_character);
673 mread(fd, (genericptr_t) pl_fruit, sizeof pl_fruit);
674 freefruitchn(ffruit); /* clean up fruit(s) made by initoptions() */
675 ffruit = loadfruitchn(fd);
678 restore_waterlevel(fd);
679 restore_msghistory(fd);
680 /* must come after all mons & objs are restored */
681 relink_timers(FALSE);
682 relink_light_sources(FALSE);
686 /* update game state pointers to those valid for the current level (so we
687 * don't dereference a wild u.ustuck when saving the game state, for instance)
690 restlevelstate(stuckid, steedid)
691 unsigned int stuckid, steedid;
693 register struct monst *mtmp;
696 for (mtmp = fmon; mtmp; mtmp = mtmp->nmon)
697 if (mtmp->m_id == stuckid)
700 panic("Cannot find the monster ustuck.");
704 for (mtmp = fmon; mtmp; mtmp = mtmp->nmon)
705 if (mtmp->m_id == steedid)
708 panic("Cannot find the monster usteed.");
710 remove_monster(mtmp->mx, mtmp->my);
716 restlevelfile(fd, ltmp)
717 int fd; /* fd used in MFLOPPY only */
726 nfd = create_levelfile(ltmp, whynot);
728 /* BUG: should suppress any attempt to write a panic
729 save file if file creation is now failing... */
730 panic("restlevelfile: %s", whynot);
733 if (!savelev(nfd, ltmp, COUNT_SAVE)) {
734 /* The savelev can't proceed because the size required
735 * is greater than the available disk space.
738 pline("Not enough space on `%s' to restore your game.", levels);
740 pline("
\83Q
\81[
\83\80\82ð
\8dÄ
\8aJ
\82·
\82é
\82½
\82ß
\82Ì'%s'
\82Ì
\82½
\82ß
\82Ì
\83X
\83y
\81[
\83X
\82ª
\82È
\82¢
\81D", levels);
742 /* Remove levels and bones that may have been created.
748 eraseall(levels, alllevels);
749 eraseall(levels, allbones);
751 /* Perhaps the person would like to play without a
755 /* PlaywoRAMdisk may not return, but if it does
756 * it is certain that ramdisk will be 0.
759 /* Rewind save file and try again */
760 (void) lseek(fd, (off_t) 0, 0);
761 (void) validate(fd, (char *) 0); /* skip version etc */
762 return dorecover(fd); /* 0 or 1 */
766 pline("Be seeing you...");
768 pline("
\82Ü
\82½
\89ï
\82¢
\82Ü
\82µ
\82å
\82¤
\81D
\81D
\81D");
769 nh_terminate(EXIT_SUCCESS);
773 savelev(nfd, ltmp, WRITE_SAVE | FREE_SAVE);
782 unsigned int stuckid = 0, steedid = 0; /* not a register */
788 get_plname_from_file(fd, plname);
789 getlev(fd, 0, (xchar) 0, FALSE);
790 if (!restgamestate(fd, &stuckid, &steedid)) {
791 display_nhwindow(WIN_MESSAGE, TRUE);
792 savelev(-1, 0, FREE_SAVE); /* discard current level */
794 (void) delete_savefile();
798 restlevelstate(stuckid, steedid);
802 rtmp = restlevelfile(fd, ledger_no(&u.uz));
804 return rtmp; /* dorecover called recursively */
806 /* these pointers won't be valid while we're processing the
807 * other levels, but they'll be reset again by restlevelstate()
808 * afterwards, and in the meantime at least u.usteed may mislead
809 * place_monster() on other levels
811 u.ustuck = (struct monst *) 0;
812 u.usteed = (struct monst *) 0;
817 extern struct window_procs amii_procs;
818 if (windowprocs.win_init_nhwindows == amii_procs.win_init_nhwindows) {
819 extern winid WIN_BASE;
820 clear_nhwindow(WIN_BASE); /* hack until there's a hook for this */
824 clear_nhwindow(WIN_MAP);
826 clear_nhwindow(WIN_MESSAGE);
828 You("return to level %d in %s%s.", depth(&u.uz),
829 dungeons[u.uz.dnum].dname,
830 flags.debug ? " while in debug mode"
831 : flags.explore ? " while in explore mode" : "");
833 You("%s%s
\82Ì
\92n
\89º%d
\8aK
\82É
\96ß
\82Á
\82Ä
\82«
\82½
\81D",
834 flags.debug ? "
\83E
\83B
\83U
\81[
\83h
\83\82\81[
\83h
\92\86\82Ì"
835 : flags.explore ? "
\92T
\8c\9f\83\82\81[
\83h
\92\86\82Ì" : "",
836 dungeons[u.uz.dnum].dname, depth(&u.uz));
841 if (strncmpi("X11", windowprocs.name, 3))
842 putstr(WIN_MAP, 0, "Restoring:");
844 restoreprocs.mread_flags = 1; /* return despite error */
846 mread(fd, (genericptr_t) <mp, sizeof ltmp);
847 if (restoreprocs.mread_flags == -1)
849 getlev(fd, 0, ltmp, FALSE);
851 curs(WIN_MAP, 1 + dotcnt++, dotrow);
852 if (dotcnt >= (COLNO - 1)) {
856 if (strncmpi("X11", windowprocs.name, 3)) {
857 putstr(WIN_MAP, 0, ".");
861 rtmp = restlevelfile(fd, ltmp);
863 return rtmp; /* dorecover called recursively */
865 restoreprocs.mread_flags = 0;
868 (void) lseek(fd, 0L, 0);
870 (void) lseek(fd, (off_t) 0, 0);
872 (void) validate(fd, (char *) 0); /* skip version and savefile info */
873 get_plname_from_file(fd, plname);
875 getlev(fd, 0, (xchar) 0, FALSE);
878 /* Now set the restore settings to match the
879 * settings used by the save file output routines
883 restlevelstate(stuckid, steedid);
884 program_state.something_worth_saving = 1; /* useful data now exists */
886 if (!wizard && !discover)
887 (void) delete_savefile();
888 if (Is_rogue_level(&u.uz))
889 assign_graphics(ROGUESET);
891 substitute_tiles(&u.uz);
896 max_rank_sz(); /* to recompute mrank_sz (botl.c) */
897 /* take care of iron ball & chain */
898 for (otmp = fobj; otmp; otmp = otmp->nobj)
900 setworn(otmp, otmp->owornmask);
902 /* in_use processing must be after:
903 * + The inventory has been read so that freeinv() works.
904 * + The current level has been restored so billing information
909 load_qtlist(); /* re-load the quest text info */
910 /* Set up the vision internals, after levl[] data is loaded
911 but before docrt(). */
914 vision_full_recalc = 1; /* recompute vision (not saved) */
916 run_timers(); /* expire all timers that have gone off while away */
919 clear_nhwindow(WIN_MESSAGE);
923 check_special_room(FALSE);
928 restcemetery(fd, cemeteryaddr)
930 struct cemetery **cemeteryaddr;
932 struct cemetery *bonesinfo, **bonesaddr;
935 mread(fd, (genericptr_t) &flag, sizeof flag);
937 bonesaddr = cemeteryaddr;
939 bonesinfo = (struct cemetery *) alloc(sizeof *bonesinfo);
940 mread(fd, (genericptr_t) bonesinfo, sizeof *bonesinfo);
941 *bonesaddr = bonesinfo;
942 bonesaddr = &(*bonesaddr)->next;
943 } while (*bonesaddr);
951 rest_levl(fd, rlecomp)
961 (void) memset((genericptr_t) &r, 0, sizeof(r));
972 mread(fd, (genericptr_t) &len, sizeof(uchar));
973 mread(fd, (genericptr_t) &r, sizeof(struct rm));
983 #endif /* ?RLECOMP */
984 mread(fd, (genericptr_t) levl, sizeof levl);
992 pline("Strange, this map is not as I remember it.");
994 pline("
\96
\82¾
\81C
\82±
\82Ì
\92n
\90}
\82Í
\8e\84\82ª
\8ao
\82¦
\82Ä
\82¢
\82½
\82à
\82Ì
\82Æ
\88á
\82¤
\81D");
996 pline("Somebody is trying some trickery here...");
998 pline("
\82¾
\82ê
\82©
\82ª
\82±
\82±
\82Å
\82¢
\82©
\82³
\82Ü
\82ð
\82µ
\82æ
\82¤
\82Æ
\82µ
\82½
\82æ
\82¤
\82¾
\81D
\81D
\81D");
1000 pline("This game is void.");
1002 pline("
\82±
\82Ì
\83Q
\81[
\83\80\82Í
\96³
\8cø
\82Æ
\82È
\82é
\81D");
1003 Strcpy(killer.name, reason ? reason : "");
1008 getlev(fd, pid, lev, ghostly)
1013 register struct trap *trap;
1014 register struct monst *mtmp;
1027 #if defined(MSDOS) || defined(OS2)
1028 setmode(fd, O_BINARY);
1030 /* Load the old fruit info. We have to do it first, so the
1031 * information is available when restoring the objects.
1034 oldfruit = loadfruitchn(fd);
1036 /* First some sanity checks */
1037 mread(fd, (genericptr_t) &hpid, sizeof(hpid));
1038 /* CHECK: This may prevent restoration */
1040 mread(fd, (genericptr_t) &tlev, sizeof(tlev));
1041 dlvl = tlev & 0x00ff;
1043 mread(fd, (genericptr_t) &dlvl, sizeof(dlvl));
1045 if ((pid && pid != hpid) || (lev && dlvl != lev)) {
1046 char trickbuf[BUFSZ];
1048 if (pid && pid != hpid)
1049 Sprintf(trickbuf, "PID (%d) doesn't match saved PID (%d)!", hpid,
1052 Sprintf(trickbuf, "This is level %d, not %d!", dlvl, lev);
1057 restcemetery(fd, &level.bonesinfo);
1059 (boolean) ((sfrestinfo.sfi1 & SFI1_RLECOMP) == SFI1_RLECOMP));
1060 mread(fd, (genericptr_t) lastseentyp, sizeof(lastseentyp));
1061 mread(fd, (genericptr_t) &omoves, sizeof(omoves));
1062 elapsed = monstermoves - omoves;
1063 mread(fd, (genericptr_t) &upstair, sizeof(stairway));
1064 mread(fd, (genericptr_t) &dnstair, sizeof(stairway));
1065 mread(fd, (genericptr_t) &upladder, sizeof(stairway));
1066 mread(fd, (genericptr_t) &dnladder, sizeof(stairway));
1067 mread(fd, (genericptr_t) &sstairs, sizeof(stairway));
1068 mread(fd, (genericptr_t) &updest, sizeof(dest_area));
1069 mread(fd, (genericptr_t) &dndest, sizeof(dest_area));
1070 mread(fd, (genericptr_t) &level.flags, sizeof(level.flags));
1071 mread(fd, (genericptr_t) doors, sizeof(doors));
1072 rest_rooms(fd); /* No joke :-) */
1074 doorindex = rooms[nroom - 1].fdoor + rooms[nroom - 1].doorct;
1078 restore_timers(fd, RANGE_LEVEL, ghostly, elapsed);
1079 restore_light_sources(fd);
1080 fmon = restmonchn(fd, ghostly);
1082 rest_worm(fd); /* restore worm information */
1084 while (trap = newtrap(),
1085 mread(fd, (genericptr_t) trap, sizeof(struct trap)),
1086 trap->tx != 0) { /* need "!= 0" to work around DICE 3.0 bug */
1087 trap->ntrap = ftrap;
1091 fobj = restobjchn(fd, ghostly, FALSE);
1093 /* restobjchn()'s `frozen' argument probably ought to be a callback
1094 routine so that we can check for objects being buried under ice */
1095 level.buriedobjlist = restobjchn(fd, ghostly, FALSE);
1096 billobjs = restobjchn(fd, ghostly, FALSE);
1097 rest_engravings(fd);
1099 /* reset level.monsters for new level */
1100 for (x = 0; x < COLNO; x++)
1101 for (y = 0; y < ROWNO; y++)
1102 level.monsters[x][y] = (struct monst *) 0;
1103 for (mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
1105 set_residency(mtmp, FALSE);
1106 place_monster(mtmp, mtmp->mx, mtmp->my);
1110 /* regenerate monsters while on another level */
1114 /* reset peaceful/malign relative to new character;
1115 shopkeepers will reset based on name */
1118 (is_unicorn(mtmp->data)
1119 && sgn(u.ualign.type) == sgn(mtmp->data->maligntyp))
1121 : peace_minded(mtmp->data);
1123 } else if (elapsed > 0L) {
1124 mon_catchup_elapsed_time(mtmp, elapsed);
1126 /* update shape-changers in case protection against
1127 them is different now than when the level was saved */
1129 /* give hiders a chance to hide before their next move */
1130 if (ghostly || elapsed > (long) rnd(10))
1134 restdamage(fd, ghostly);
1135 rest_regions(fd, ghostly);
1137 /* Now get rid of all the temp fruits... */
1138 freefruitchn(oldfruit), oldfruit = 0;
1140 if (lev > ledger_no(&medusa_level)
1141 && lev < ledger_no(&stronghold_level) && xdnstair == 0) {
1147 levl[cc.x][cc.y].typ = STAIRS;
1150 br = Is_branchlev(&u.uz);
1151 if (br && u.uz.dlevel == 1) {
1154 if (on_level(&u.uz, &br->end1))
1155 assign_level(<mp, &br->end2);
1157 assign_level(<mp, &br->end1);
1162 case BR_NO_END2: /* OK to assign to sstairs if it's not used */
1163 assign_level(&sstairs.tolev, <mp);
1165 case BR_PORTAL: /* max of 1 portal per level */
1166 for (trap = ftrap; trap; trap = trap->ntrap)
1167 if (trap->ttyp == MAGIC_PORTAL)
1170 panic("getlev: need portal but none found");
1171 assign_level(&trap->dst, <mp);
1175 struct trap *ttmp = 0;
1177 /* Remove any dangling portals. */
1178 for (trap = ftrap; trap; trap = ttmp) {
1180 if (trap->ttyp == MAGIC_PORTAL)
1186 /* must come after all mons & objs are restored */
1187 relink_timers(ghostly);
1188 relink_light_sources(ghostly);
1189 reset_oattached_mids(ghostly);
1196 get_plname_from_file(fd, plbuf)
1201 _pragma_ignore(-Wunused-result)
1202 (void) read(fd, (genericptr_t) &pltmpsiz, sizeof(pltmpsiz));
1203 (void) read(fd, (genericptr_t) plbuf, pltmpsiz);
1209 restore_msghistory(fd)
1212 int msgsize, msgcount = 0;
1216 mread(fd, (genericptr_t) &msgsize, sizeof(msgsize));
1219 if (msgsize > (BUFSZ - 1))
1220 panic("restore_msghistory: msg too big (%d)", msgsize);
1221 mread(fd, (genericptr_t) msg, msgsize);
1222 msg[msgsize] = '\0';
1223 putmsghistory(msg, TRUE);
1227 putmsghistory((char *) 0, TRUE);
1228 debugpline1("Read %d messages from savefile.", msgcount);
1231 /* Clear all structures for object and monster ID mapping. */
1235 struct bucket *curr;
1237 while ((curr = id_map) != 0) {
1238 id_map = curr->next;
1239 free((genericptr_t) curr);
1244 /* Add a mapping to the ID map. */
1246 add_id_mapping(gid, nid)
1251 idx = n_ids_mapped % N_PER_BUCKET;
1252 /* idx is zero on first time through, as well as when a new bucket is */
1255 struct bucket *gnu = (struct bucket *) alloc(sizeof(struct bucket));
1260 id_map->map[idx].gid = gid;
1261 id_map->map[idx].nid = nid;
1266 * Global routine to look up a mapping. If found, return TRUE and fill
1267 * in the new ID value. Otherwise, return false and return -1 in the new
1271 lookup_id_mapping(gid, nidp)
1272 unsigned gid, *nidp;
1275 struct bucket *curr;
1278 for (curr = id_map; curr; curr = curr->next) {
1279 /* first bucket might not be totally full */
1280 if (curr == id_map) {
1281 i = n_ids_mapped % N_PER_BUCKET;
1288 if (gid == curr->map[i].gid) {
1289 *nidp = curr->map[i].nid;
1298 reset_oattached_mids(ghostly)
1302 unsigned oldid, nid;
1303 for (otmp = fobj; otmp; otmp = otmp->nobj) {
1304 if (ghostly && has_omonst(otmp)) {
1305 struct monst *mtmp = OMONST(otmp);
1308 mtmp->mpeaceful = mtmp->mtame = 0; /* pet's owner died! */
1310 if (ghostly && has_omid(otmp)) {
1311 (void) memcpy((genericptr_t) &oldid, (genericptr_t) OMID(otmp),
1313 if (lookup_id_mapping(oldid, &nid))
1314 (void) memcpy((genericptr_t) OMID(otmp), (genericptr_t) &nid,
1323 /* put up a menu listing each character from this player's saved games;
1324 returns 1: use plname[], 0: new game, -1: quit */
1326 restore_menu(bannerwin)
1327 winid bannerwin; /* if not WIN_ERR, clear window and show copyright in menu */
1332 menu_item *chosen_game = (menu_item *) 0;
1333 int k, clet, ch = 0; /* ch: 0 => new game */
1336 saved = get_saved_games(); /* array of character names */
1337 if (saved && *saved) {
1338 tmpwin = create_nhwindow(NHW_MENU);
1340 any = zeroany; /* no selection */
1341 if (bannerwin != WIN_ERR) {
1342 /* for tty; erase copyright notice and redo it in the menu */
1343 clear_nhwindow(bannerwin);
1344 /* COPYRIGHT_BANNER_[ABCD] */
1345 for (k = 1; k <= 4; ++k)
1346 add_menu(tmpwin, NO_GLYPH, &any, 0, 0, ATR_NONE,
1347 copyright_banner_line(k), MENU_UNSELECTED);
1348 add_menu(tmpwin, NO_GLYPH, &any, 0, 0, ATR_NONE, "",
1351 add_menu(tmpwin, NO_GLYPH, &any, 0, 0, ATR_NONE,
1352 "Select one of your saved games", MENU_UNSELECTED);
1353 for (k = 0; saved[k]; ++k) {
1355 add_menu(tmpwin, NO_GLYPH, &any, 0, 0, ATR_NONE, saved[k],
1358 clet = (k <= 'n' - 'a') ? 'n' : 0; /* new game */
1359 any.a_int = -1; /* not >= 0 */
1360 add_menu(tmpwin, NO_GLYPH, &any, clet, 0, ATR_NONE,
1361 "Start a new character", MENU_UNSELECTED);
1362 clet = (k + 1 <= 'q' - 'a') ? 'q' : 0; /* quit */
1364 add_menu(tmpwin, NO_GLYPH, &any, clet, 0, ATR_NONE,
1365 "Never mind (quit)", MENU_SELECTED);
1366 /* no prompt on end_menu, as we've done our own at the top */
1367 end_menu(tmpwin, (char *) 0);
1368 if (select_menu(tmpwin, PICK_ONE, &chosen_game) > 0) {
1369 ch = chosen_game->item.a_int;
1371 Strcpy(plname, saved[ch - 1]);
1373 ++ch; /* -1 -> 0 (new game), -2 -> -1 (quit) */
1374 free((genericptr_t) chosen_game);
1376 ch = -1; /* quit menu without making a selection => quit */
1378 destroy_nhwindow(tmpwin);
1379 if (bannerwin != WIN_ERR) {
1380 /* for tty; clear the menu away and put subset of copyright back
1382 clear_nhwindow(bannerwin);
1383 /* COPYRIGHT_BANNER_A, preceding "Who are you?" prompt */
1385 putstr(bannerwin, 0, copyright_banner_line(1));
1388 free_saved_games(saved);
1389 return (ch > 0) ? 1 : ch;
1391 #endif /* SELECTSAVED */
1396 (*restoreprocs.restore_minit)();
1403 register genericptr_t buf;
1404 register unsigned int len;
1406 (*restoreprocs.restore_mread)(fd, buf, len);
1410 /* examine the version info and the savefile_info data
1411 that immediately follows it.
1412 Return 0 if it passed the checks.
1413 Return 1 if it failed the version check.
1414 Return 2 if it failed the savefile feature check.
1415 Return -1 if it failed for some unknown reason.
1423 struct savefile_info sfi;
1424 unsigned long compatible;
1425 boolean verbose = name ? TRUE : FALSE, reslt = FALSE;
1427 if (!(reslt = uptodate(fd, name)))
1430 rlen = read(fd, (genericptr_t) &sfi, sizeof sfi);
1431 minit(); /* ZEROCOMP */
1434 pline("File \"%s\" is empty during save file feature check?",
1441 compatible = (sfi.sfi1 & sfcap.sfi1);
1443 if ((sfi.sfi1 & SFI1_ZEROCOMP) == SFI1_ZEROCOMP) {
1444 if ((compatible & SFI1_ZEROCOMP) != SFI1_ZEROCOMP) {
1446 pline("File \"%s\" has incompatible ZEROCOMP compression.",
1451 } else if ((sfrestinfo.sfi1 & SFI1_ZEROCOMP) != SFI1_ZEROCOMP) {
1452 set_restpref("zerocomp");
1456 if ((sfi.sfi1 & SFI1_EXTERNALCOMP) == SFI1_EXTERNALCOMP) {
1457 if ((compatible & SFI1_EXTERNALCOMP) != SFI1_EXTERNALCOMP) {
1459 pline("File \"%s\" lacks required internal compression.",
1464 } else if ((sfrestinfo.sfi1 & SFI1_EXTERNALCOMP)
1465 != SFI1_EXTERNALCOMP) {
1466 set_restpref("externalcomp");
1470 /* RLECOMP check must be last, after ZEROCOMP or INTERNALCOMP adjustments
1472 if ((sfi.sfi1 & SFI1_RLECOMP) == SFI1_RLECOMP) {
1473 if ((compatible & SFI1_RLECOMP) != SFI1_RLECOMP) {
1475 pline("File \"%s\" has incompatible run-length compression.",
1480 } else if ((sfrestinfo.sfi1 & SFI1_RLECOMP) != SFI1_RLECOMP) {
1481 set_restpref("rlecomp");
1484 /* savefile does not have RLECOMP level location compression, so adjust */
1486 set_restpref("!rlecomp");
1495 if (iflags.zerocomp)
1496 set_restpref("zerocomp");
1499 set_restpref("externalcomp");
1502 set_restpref("rlecomp");
1505 set_restpref("!rlecomp");
1509 set_restpref(suitename)
1510 const char *suitename;
1512 if (!strcmpi(suitename, "externalcomp")) {
1513 restoreprocs.name = "externalcomp";
1514 restoreprocs.restore_mread = def_mread;
1515 restoreprocs.restore_minit = def_minit;
1516 sfrestinfo.sfi1 |= SFI1_EXTERNALCOMP;
1517 sfrestinfo.sfi1 &= ~SFI1_ZEROCOMP;
1520 if (!strcmpi(suitename, "!rlecomp")) {
1521 sfrestinfo.sfi1 &= ~SFI1_RLECOMP;
1524 if (!strcmpi(suitename, "zerocomp")) {
1525 restoreprocs.name = "zerocomp";
1526 restoreprocs.restore_mread = zerocomp_mread;
1527 restoreprocs.restore_minit = zerocomp_minit;
1528 sfrestinfo.sfi1 |= SFI1_ZEROCOMP;
1529 sfrestinfo.sfi1 &= ~SFI1_EXTERNALCOMP;
1534 if (!strcmpi(suitename, "rlecomp")) {
1535 sfrestinfo.sfi1 |= SFI1_RLECOMP;
1541 #define RLESC '\0' /* Leading character for run of RLESC's */
1543 #ifndef ZEROCOMP_BUFSIZ
1544 #define ZEROCOMP_BUFSIZ BUFSZ
1546 static NEARDATA unsigned char inbuf[ZEROCOMP_BUFSIZ];
1547 static NEARDATA unsigned short inbufp = 0;
1548 static NEARDATA unsigned short inbufsz = 0;
1549 static NEARDATA short inrunlength = -1;
1550 static NEARDATA int mreadfd;
1555 if (inbufp >= inbufsz) {
1556 inbufsz = read(mreadfd, (genericptr_t) inbuf, sizeof inbuf);
1558 if (inbufp > sizeof inbuf)
1559 error("EOF on file #%d.\n", mreadfd);
1560 inbufp = 1 + sizeof inbuf; /* exactly one warning :-) */
1565 return inbuf[inbufp++];
1577 zerocomp_mread(fd, buf, len)
1580 register unsigned len;
1582 /*register int readlen = 0;*/
1584 error("Restore error; mread attempting to read file %d.", fd);
1587 if (inrunlength > 0) {
1589 *(*((char **) &buf))++ = '\0';
1591 register short ch = zerocomp_mgetc();
1593 restoreprocs.mread_flags = -1;
1596 if ((*(*(char **) &buf)++ = (char) ch) == RLESC) {
1597 inrunlength = zerocomp_mgetc();
1603 #endif /* ZEROCOMP */
1612 def_mread(fd, buf, len)
1614 register genericptr_t buf;
1615 register unsigned int len;
1618 #if defined(BSD) || defined(ULTRIX)
1619 #define readLenType int
1620 #else /* e.g. SYSV, __TURBOC__ */
1621 #define readLenType unsigned
1624 rlen = read(fd, buf, (readLenType) len);
1625 if ((readLenType) rlen != (readLenType) len) {
1626 if (restoreprocs.mread_flags == 1) { /* means "return anyway" */
1627 restoreprocs.mread_flags = -1;
1630 pline("Read %d instead of %u bytes.", rlen, len);
1633 (void) delete_savefile();
1634 error("Error restoring old game.");
1636 panic("Error reading level file.");