1 /* NetHack 3.6 restore.c $NHDT-Date: 1555201698 2019/04/14 00:28:18 $ $NHDT-Branch: NetHack-3.6.2-beta01 $:$NHDT-Revision: 1.129 $ */
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, 2002-2019 */
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 *));
43 STATIC_DCL boolean FDECL(restgamestate, (int, unsigned int *, unsigned int *));
44 STATIC_DCL void FDECL(restlevelstate, (unsigned int, unsigned int));
45 STATIC_DCL int FDECL(restlevelfile, (int, XCHAR_P));
46 STATIC_OVL void FDECL(restore_msghistory, (int));
47 STATIC_DCL void FDECL(reset_oattached_mids, (BOOLEAN_P));
48 STATIC_DCL void FDECL(rest_levl, (int, BOOLEAN_P));
50 static struct restore_procs {
53 void NDECL((*restore_minit));
54 void FDECL((*restore_mread), (int, genericptr_t, unsigned int));
55 void FDECL((*restore_bclose), (int));
57 #if !defined(ZEROCOMP) || (defined(COMPRESS) || defined(ZLIB_COMP))
58 "externalcomp", 0, def_minit, def_mread, def_bclose,
60 "zerocomp", 0, zerocomp_minit, zerocomp_mread, zerocomp_bclose,
65 * Save a mapping of IDs from ghost levels to the current level. This
66 * map is used by the timer routines when restoring ghost levels.
68 #define N_PER_BUCKET 64
72 unsigned gid; /* ghost ID */
73 unsigned nid; /* new ID */
77 STATIC_DCL void NDECL(clear_id_mapping);
78 STATIC_DCL void FDECL(add_id_mapping, (unsigned, unsigned));
80 static int n_ids_mapped = 0;
81 static struct bucket *id_map = 0;
84 void FDECL(amii_setpens, (int)); /* use colors from save file */
85 extern int amii_numcolors;
90 boolean restoring = FALSE;
91 static NEARDATA struct fruit *oldfruit;
92 static NEARDATA long omoves;
94 #define Is_IceBox(o) ((o)->otyp == ICE_BOX ? TRUE : FALSE)
96 /* Recalculate level.objects[x][y], since this info was not saved. */
100 register struct obj *fobjtmp = (struct obj *) 0;
101 register struct obj *otmp;
104 for (x = 0; x < COLNO; x++)
105 for (y = 0; y < ROWNO; y++)
106 level.objects[x][y] = (struct obj *) 0;
109 * Reverse the entire fobj chain, which is necessary so that we can
110 * place the objects in the proper order. Make all obj in chain
111 * OBJ_FREE so place_object will work correctly.
113 while ((otmp = fobj) != 0) {
115 otmp->nobj = fobjtmp;
116 otmp->where = OBJ_FREE;
119 /* fobj should now be empty */
121 /* Set level.objects (as well as reversing the chain back again) */
122 while ((otmp = fobjtmp) != 0) {
123 fobjtmp = otmp->nobj;
124 place_object(otmp, otmp->ox, otmp->oy);
128 /* Things that were marked "in_use" when the game was saved (ex. via the
129 * infamous "HUP" cheat) get used up here.
135 register struct obj *otmp, *otmp2;
137 for (otmp = invent; otmp; otmp = otmp2) {
142 pline("Finishing off %s...", xname(otmp));
144 pline("%s
\82ð
\8eg
\82¢
\8fI
\82¦
\82½
\81D
\81D
\81D", xname(otmp));
157 sp_levchn = (s_level *) 0;
158 mread(fd, (genericptr_t) &cnt, sizeof(int));
159 for (; cnt > 0; cnt--) {
160 tmplev = (s_level *) alloc(sizeof(s_level));
161 mread(fd, (genericptr_t) tmplev, sizeof(s_level));
165 for (x = sp_levchn; x->next; x = x->next)
169 tmplev->next = (s_level *) 0;
174 restdamage(fd, ghostly)
179 struct damage *tmp_dam;
181 mread(fd, (genericptr_t) &counter, sizeof(counter));
184 tmp_dam = (struct damage *) alloc(sizeof(struct damage));
185 while (--counter >= 0) {
186 char damaged_shops[5], *shp = (char *) 0;
188 mread(fd, (genericptr_t) tmp_dam, sizeof(*tmp_dam));
190 tmp_dam->when += (monstermoves - omoves);
191 Strcpy(damaged_shops,
192 in_rooms(tmp_dam->place.x, tmp_dam->place.y, SHOPBASE));
194 /* when restoring, there are two passes over the current
195 * level. the first time, u.uz isn't set, so neither is
196 * shop_keeper(). just wait and process the damage on
199 for (shp = damaged_shops; *shp; shp++) {
200 struct monst *shkp = shop_keeper(*shp);
202 if (shkp && inhishop(shkp)
203 && repair_damage(shkp, tmp_dam, (int *) 0, TRUE))
208 tmp_dam->next = level.damagelist;
209 level.damagelist = tmp_dam;
210 tmp_dam = (struct damage *) alloc(sizeof(*tmp_dam));
213 free((genericptr_t) tmp_dam);
216 /* restore one object */
224 mread(fd, (genericptr_t) otmp, sizeof(struct obj));
226 /* next object pointers are invalid; otmp->cobj needs to be left
227 as is--being non-null is key to restoring container contents */
228 otmp->nobj = otmp->nexthere = (struct obj *) 0;
229 /* non-null oextra needs to be reconstructed */
231 otmp->oextra = newoextra();
233 /* oname - object's name */
234 mread(fd, (genericptr_t) &buflen, sizeof(buflen));
235 if (buflen > 0) { /* includes terminating '\0' */
236 new_oname(otmp, buflen);
237 mread(fd, (genericptr_t) ONAME(otmp), buflen);
239 /* omonst - corpse or statue might retain full monster details */
240 mread(fd, (genericptr_t) &buflen, sizeof(buflen));
243 /* this is actually a monst struct, so we
244 can just defer to restmon() here */
245 restmon(fd, OMONST(otmp));
247 /* omid - monster id number, connecting corpse to ghost */
248 mread(fd, (genericptr_t) &buflen, sizeof(buflen));
251 mread(fd, (genericptr_t) OMID(otmp), buflen);
253 /* olong - temporary gold */
254 mread(fd, (genericptr_t) &buflen, sizeof(buflen));
257 mread(fd, (genericptr_t) OLONG(otmp), buflen);
259 /* omailcmd - feedback mechanism for scroll of mail */
260 mread(fd, (genericptr_t) &buflen, sizeof(buflen));
262 char *omailcmd = (char *) alloc(buflen);
264 mread(fd, (genericptr_t) omailcmd, buflen);
265 new_omailcmd(otmp, omailcmd);
266 free((genericptr_t) omailcmd);
271 STATIC_OVL struct obj *
272 restobjchn(fd, ghostly, frozen)
274 boolean ghostly, frozen;
276 register struct obj *otmp, *otmp2 = 0;
277 register struct obj *first = (struct obj *) 0;
281 mread(fd, (genericptr_t) &buflen, sizeof buflen);
293 unsigned nid = context.ident++;
294 add_id_mapping(otmp->o_id, nid);
297 if (ghostly && otmp->otyp == SLIME_MOLD)
299 /* Ghost levels get object age shifted from old player's clock
300 * to new player's clock. Assumption: new player arrived
301 * immediately after old player died.
303 if (ghostly && !frozen && !age_is_relative(otmp))
304 otmp->age = monstermoves - omoves + otmp->age;
306 /* get contents of a container or statue */
307 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;
314 } else if (SchroedingersBox(otmp)) {
315 struct obj *catcorpse;
318 * TODO: Remove this after 3.6.x save compatibility is dropped.
320 * For 3.6.2, SchroedingersBox() always has a cat corpse in it.
321 * For 3.6.[01], it was empty and its weight was falsified
322 * to have the value it would have had if there was one inside.
323 * Put a non-rotting cat corpse in this box to convert to 3.6.2.
325 * [Note: after this fix up, future save/restore of this object
326 * will take the Has_contents() code path above.]
328 if ((catcorpse = mksobj(CORPSE, TRUE, FALSE)) != 0) {
329 otmp->spe = 1; /* flag for special SchroedingersBox */
330 set_corpsenm(catcorpse, PM_HOUSECAT);
331 (void) stop_timer(ROT_CORPSE, obj_to_any(catcorpse));
332 add_to_container(otmp, catcorpse);
333 otmp->owt = weight(otmp);
339 /* fix the pointers */
340 if (otmp->o_id == context.victual.o_id)
341 context.victual.piece = otmp;
342 if (otmp->o_id == context.tin.o_id)
343 context.tin.tin = otmp;
344 if (otmp->o_id == context.spbook.o_id)
345 context.spbook.book = otmp;
349 if (first && otmp2->nobj) {
350 impossible("Restobjchn: error reading objchn.");
357 /* restore one monster */
365 mread(fd, (genericptr_t) mtmp, sizeof(struct monst));
367 /* next monster pointer is invalid */
368 mtmp->nmon = (struct monst *) 0;
369 /* non-null mextra needs to be reconstructed */
371 mtmp->mextra = newmextra();
373 /* mname - monster's name */
374 mread(fd, (genericptr_t) &buflen, sizeof(buflen));
375 if (buflen > 0) { /* includes terminating '\0' */
376 new_mname(mtmp, buflen);
377 mread(fd, (genericptr_t) MNAME(mtmp), buflen);
379 /* egd - vault guard */
380 mread(fd, (genericptr_t) &buflen, sizeof(buflen));
383 mread(fd, (genericptr_t) EGD(mtmp), sizeof(struct egd));
385 /* epri - temple priest */
386 mread(fd, (genericptr_t) &buflen, sizeof(buflen));
389 mread(fd, (genericptr_t) EPRI(mtmp), sizeof(struct epri));
391 /* eshk - shopkeeper */
392 mread(fd, (genericptr_t) &buflen, sizeof(buflen));
395 mread(fd, (genericptr_t) ESHK(mtmp), sizeof(struct eshk));
398 mread(fd, (genericptr_t) &buflen, sizeof(buflen));
401 mread(fd, (genericptr_t) EMIN(mtmp), sizeof(struct emin));
404 mread(fd, (genericptr_t) &buflen, sizeof(buflen));
407 mread(fd, (genericptr_t) EDOG(mtmp), sizeof(struct edog));
409 /* mcorpsenm - obj->corpsenm for mimic posing as corpse or
410 statue (inline int rather than pointer to something) */
411 mread(fd, (genericptr_t) &MCORPSENM(mtmp), sizeof MCORPSENM(mtmp));
415 STATIC_OVL struct monst *
416 restmonchn(fd, ghostly)
420 register struct monst *mtmp, *mtmp2 = 0;
421 register struct monst *first = (struct monst *) 0;
425 mread(fd, (genericptr_t) &buflen, sizeof(buflen));
437 unsigned nid = context.ident++;
438 add_id_mapping(mtmp->m_id, nid);
442 mtmp->data = &mons[offset];
444 int mndx = monsndx(mtmp->data);
445 if (propagate(mndx, TRUE, ghostly) == 0) {
446 /* cookie to trigger purge in getbones() */
447 mtmp->mhpmax = DEFUNCT_MONSTER;
452 mtmp->minvent = restobjchn(fd, ghostly, FALSE);
453 /* restore monster back pointer */
454 for (obj = mtmp->minvent; obj; obj = obj->nobj)
460 for (obj = mtmp->minvent; obj; obj = obj->nobj)
461 if (obj->owornmask & W_WEP)
467 impossible("bad monster weapon restore");
472 restshk(mtmp, ghostly);
474 restpriest(mtmp, ghostly);
477 if (mtmp->m_id == context.polearm.m_id)
478 context.polearm.hitmon = mtmp;
482 if (first && mtmp2->nmon) {
483 impossible("Restmonchn: error reading monchn.");
489 STATIC_OVL struct fruit *
493 register struct fruit *flist, *fnext;
496 while (fnext = newfruit(), mread(fd, (genericptr_t) fnext, sizeof *fnext),
498 fnext->nextf = flist;
501 dealloc_fruit(fnext);
507 register struct fruit *flist;
509 register struct fruit *fnext;
512 fnext = flist->nextf;
513 dealloc_fruit(flist);
520 register struct obj *otmp;
522 register struct fruit *oldf;
524 for (oldf = oldfruit; oldf; oldf = oldf->nextf)
525 if (oldf->fid == otmp->spe)
529 impossible("no old fruit?");
531 otmp->spe = fruitadd(oldf->fname, (struct fruit *) 0);
535 #define SYSOPT_CHECK_SAVE_UID sysopt.check_save_uid
537 #define SYSOPT_CHECK_SAVE_UID TRUE
542 restgamestate(fd, stuckid, steedid)
544 unsigned int *stuckid, *steedid;
546 struct flag newgameflags;
548 struct sysflag newgamesysflags;
550 struct context_info newgamecontext; /* all 0, but has some pointers */
551 struct obj *otmp, *tmp_bc;
554 boolean defer_perm_invent;
556 mread(fd, (genericptr_t) &uid, sizeof uid);
557 if (SYSOPT_CHECK_SAVE_UID
558 && uid != (unsigned long) getuid()) { /* strange ... */
559 /* for wizard mode, issue a reminder; for others, treat it
560 as an attempt to cheat and refuse to restore this file */
562 pline("Saved game was not yours.");
564 pline("
\83Z
\81[
\83u
\82³
\82ê
\82½
\83Q
\81[
\83\80\82Í
\82 \82È
\82½
\82Ì
\82à
\82Ì
\82Å
\82Í
\82È
\82¢
\81D");
569 newgamecontext = context; /* copy statically init'd context */
570 mread(fd, (genericptr_t) &context, sizeof (struct context_info));
571 context.warntype.species = (context.warntype.speciesidx >= LOW_PM)
572 ? &mons[context.warntype.speciesidx]
573 : (struct permonst *) 0;
574 /* context.victual.piece, .tin.tin, .spellbook.book, and .polearm.hitmon
575 are pointers which get set to Null during save and will be recovered
576 via corresponding o_id or m_id while objs or mons are being restored */
578 /* we want to be able to revert to command line/environment/config
579 file option values instead of keeping old save file option values
580 if partial restore fails and we resort to starting a new game */
581 newgameflags = flags;
582 mread(fd, (genericptr_t) &flags, sizeof (struct flag));
583 /* avoid keeping permanent inventory window up to date during restore
584 (setworn() calls update_inventory); attempting to include the cost
585 of unpaid items before shopkeeper's bill is available is a no-no;
586 named fruit names aren't accessible yet either
587 [3.6.2: moved perm_invent from flags to iflags to keep it out of
588 save files; retaining the override here is simpler than trying to
589 to figure out where it really belongs now] */
590 defer_perm_invent = iflags.perm_invent;
591 iflags.perm_invent = FALSE;
592 /* wizard and discover are actually flags.debug and flags.explore;
593 player might be overriding the save file values for them;
594 in the discover case, we don't want to set that for a normal
595 game until after the save file has been removed */
596 iflags.deferred_X = (newgameflags.explore && !discover);
597 if (newgameflags.debug) {
598 /* authorized by startup code; wizard mode exists and is allowed */
599 wizard = TRUE, discover = iflags.deferred_X = FALSE;
601 /* specified by save file; check authorization now */
605 newgamesysflags = sysflags;
606 mread(fd, (genericptr_t) &sysflags, sizeof(struct sysflag));
609 role_init(); /* Reset the initial role, race, gender, and alignment */
611 amii_setpens(amii_numcolors); /* use colors from save file */
613 mread(fd, (genericptr_t) &u, sizeof(struct you));
615 #define ReadTimebuf(foo) \
616 mread(fd, (genericptr_t) timebuf, 14); \
617 timebuf[14] = '\0'; \
618 foo = time_from_yyyymmddhhmmss(timebuf);
620 ReadTimebuf(ubirthday);
621 mread(fd, &urealtime.realtime, sizeof urealtime.realtime);
622 ReadTimebuf(urealtime.start_timing); /** [not used] **/
623 /* current time is the time to use for next urealtime.realtime update */
624 urealtime.start_timing = getnow();
628 cliparound(u.ux, u.uy);
630 if (u.uhp <= 0 && (!Upolyd || u.mh <= 0)) {
631 u.ux = u.uy = 0; /* affects pline() [hence You()] */
633 You("were not healthy enough to survive restoration.");
635 You("
\8dÄ
\8aJ
\82Å
\82«
\82é
\82Ù
\82Ç
\8c\92\8dN
\82Å
\82Í
\82È
\82©
\82Á
\82½
\81D");
637 /* wiz1_level.dlevel is used by mklev.c to see if lots of stuff is
638 * uninitialized, so we only have to set it and not the other stuff.
640 wiz1_level.dlevel = 0;
643 /* revert to pre-restore option settings */
644 iflags.deferred_X = FALSE;
645 iflags.perm_invent = defer_perm_invent;
646 flags = newgameflags;
648 sysflags = newgamesysflags;
650 context = newgamecontext;
653 /* in case hangup save occurred in midst of level change */
654 assign_level(&u.uz0, &u.uz);
656 /* this stuff comes after potential aborted restore attempts */
658 restore_timers(fd, RANGE_GLOBAL, FALSE, 0L);
659 restore_light_sources(fd);
660 invent = restobjchn(fd, FALSE, FALSE);
661 /* tmp_bc only gets set here if the ball & chain were orphaned
662 because you were swallowed; otherwise they will be on the floor
663 or in your inventory */
664 tmp_bc = restobjchn(fd, FALSE, FALSE);
666 for (otmp = tmp_bc; otmp; otmp = otmp->nobj) {
668 setworn(otmp, otmp->owornmask);
670 if (!uball || !uchain)
671 impossible("restgamestate: lost ball & chain");
674 migrating_objs = restobjchn(fd, FALSE, FALSE);
675 migrating_mons = restmonchn(fd, FALSE);
676 mread(fd, (genericptr_t) mvitals, sizeof(mvitals));
679 * There are some things after this that can have unintended display
680 * side-effects too early in the game.
681 * Disable see_monsters() here, re-enable it at the top of moveloop()
683 defer_see_monsters = TRUE;
685 /* this comes after inventory has been loaded */
686 for (otmp = invent; otmp; otmp = otmp->nobj)
688 setworn(otmp, otmp->owornmask);
689 /* reset weapon so that player will get a reminder about "bashing"
690 during next fight when bare-handed or wielding an unconventional
691 item; for pick-axe, we aren't able to distinguish between having
692 applied or wielded it, so be conservative and assume the former */
693 otmp = uwep; /* `uwep' usually init'd by setworn() in loop above */
694 uwep = 0; /* clear it and have setuwep() reinit */
695 setuwep(otmp); /* (don't need any null check here) */
696 if (!uwep || uwep->otyp == PICK_AXE || uwep->otyp == GRAPPLING_HOOK)
701 mread(fd, (genericptr_t) &moves, sizeof moves);
702 mread(fd, (genericptr_t) &monstermoves, sizeof monstermoves);
703 mread(fd, (genericptr_t) &quest_status, sizeof (struct q_score));
704 mread(fd, (genericptr_t) spl_book, (MAXSPELL + 1) * sizeof (struct spell));
705 restore_artifacts(fd);
708 mread(fd, (genericptr_t) stuckid, sizeof *stuckid);
710 mread(fd, (genericptr_t) steedid, sizeof *steedid);
711 mread(fd, (genericptr_t) pl_character, sizeof pl_character);
713 mread(fd, (genericptr_t) pl_fruit, sizeof pl_fruit);
714 freefruitchn(ffruit); /* clean up fruit(s) made by initoptions() */
715 ffruit = loadfruitchn(fd);
718 restore_waterlevel(fd);
719 restore_msghistory(fd);
720 /* must come after all mons & objs are restored */
721 relink_timers(FALSE);
722 relink_light_sources(FALSE);
723 /* inventory display is now viable */
724 iflags.perm_invent = defer_perm_invent;
728 /* update game state pointers to those valid for the current level (so we
729 * don't dereference a wild u.ustuck when saving the game state, for instance)
732 restlevelstate(stuckid, steedid)
733 unsigned int stuckid, steedid;
735 register struct monst *mtmp;
738 for (mtmp = fmon; mtmp; mtmp = mtmp->nmon)
739 if (mtmp->m_id == stuckid)
742 panic("Cannot find the monster ustuck.");
746 for (mtmp = fmon; mtmp; mtmp = mtmp->nmon)
747 if (mtmp->m_id == steedid)
750 panic("Cannot find the monster usteed.");
752 remove_monster(mtmp->mx, mtmp->my);
758 restlevelfile(fd, ltmp)
759 int fd; /* fd used in MFLOPPY only */
768 nfd = create_levelfile(ltmp, whynot);
770 /* BUG: should suppress any attempt to write a panic
771 save file if file creation is now failing... */
772 panic("restlevelfile: %s", whynot);
775 if (!savelev(nfd, ltmp, COUNT_SAVE)) {
776 /* The savelev can't proceed because the size required
777 * is greater than the available disk space.
780 pline("Not enough space on `%s' to restore your game.", levels);
782 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);
784 /* Remove levels and bones that may have been created.
790 eraseall(levels, alllevels);
791 eraseall(levels, allbones);
793 /* Perhaps the person would like to play without a
797 /* PlaywoRAMdisk may not return, but if it does
798 * it is certain that ramdisk will be 0.
801 /* Rewind save file and try again */
802 (void) lseek(fd, (off_t) 0, 0);
803 (void) validate(fd, (char *) 0); /* skip version etc */
804 return dorecover(fd); /* 0 or 1 */
808 pline("Be seeing you...");
810 pline("
\82Ü
\82½
\89ï
\82¢
\82Ü
\82µ
\82å
\82¤
\81D
\81D
\81D");
811 nh_terminate(EXIT_SUCCESS);
815 savelev(nfd, ltmp, WRITE_SAVE | FREE_SAVE);
824 unsigned int stuckid = 0, steedid = 0; /* not a register */
830 get_plname_from_file(fd, plname);
831 getlev(fd, 0, (xchar) 0, FALSE);
832 if (!restgamestate(fd, &stuckid, &steedid)) {
833 display_nhwindow(WIN_MESSAGE, TRUE);
834 savelev(-1, 0, FREE_SAVE); /* discard current level */
836 (void) delete_savefile();
840 restlevelstate(stuckid, steedid);
844 rtmp = restlevelfile(fd, ledger_no(&u.uz));
846 return rtmp; /* dorecover called recursively */
848 /* these pointers won't be valid while we're processing the
849 * other levels, but they'll be reset again by restlevelstate()
850 * afterwards, and in the meantime at least u.usteed may mislead
851 * place_monster() on other levels
853 u.ustuck = (struct monst *) 0;
854 u.usteed = (struct monst *) 0;
859 extern struct window_procs amii_procs;
860 if (WINDOWPORT("amii") {
861 extern winid WIN_BASE;
862 clear_nhwindow(WIN_BASE); /* hack until there's a hook for this */
866 clear_nhwindow(WIN_MAP);
868 clear_nhwindow(WIN_MESSAGE);
870 You("return to level %d in %s%s.", depth(&u.uz),
871 dungeons[u.uz.dnum].dname,
872 flags.debug ? " while in debug mode"
873 : flags.explore ? " while in explore mode" : "");
875 You("%s%s
\82Ì
\92n
\89º%d
\8aK
\82É
\96ß
\82Á
\82Ä
\82«
\82½
\81D",
876 flags.debug ? "
\83E
\83B
\83U
\81[
\83h
\83\82\81[
\83h
\92\86\82Ì"
877 : flags.explore ? "
\92T
\8c\9f\83\82\81[
\83h
\92\86\82Ì" : "",
878 dungeons[u.uz.dnum].dname, depth(&u.uz));
883 if (!WINDOWPORT("X11"))
884 putstr(WIN_MAP, 0, "Restoring:");
886 restoreprocs.mread_flags = 1; /* return despite error */
888 mread(fd, (genericptr_t) <mp, sizeof ltmp);
889 if (restoreprocs.mread_flags == -1)
891 getlev(fd, 0, ltmp, FALSE);
893 curs(WIN_MAP, 1 + dotcnt++, dotrow);
894 if (dotcnt >= (COLNO - 1)) {
898 if (!WINDOWPORT("X11")) {
899 putstr(WIN_MAP, 0, ".");
903 rtmp = restlevelfile(fd, ltmp);
905 return rtmp; /* dorecover called recursively */
907 restoreprocs.mread_flags = 0;
910 (void) lseek(fd, 0L, 0);
912 (void) lseek(fd, (off_t) 0, 0);
914 (void) validate(fd, (char *) 0); /* skip version and savefile info */
915 get_plname_from_file(fd, plname);
917 getlev(fd, 0, (xchar) 0, FALSE);
920 /* Now set the restore settings to match the
921 * settings used by the save file output routines
925 restlevelstate(stuckid, steedid);
926 program_state.something_worth_saving = 1; /* useful data now exists */
928 if (!wizard && !discover)
929 (void) delete_savefile();
930 if (Is_rogue_level(&u.uz))
931 assign_graphics(ROGUESET);
933 substitute_tiles(&u.uz);
938 max_rank_sz(); /* to recompute mrank_sz (botl.c) */
939 /* take care of iron ball & chain */
940 for (otmp = fobj; otmp; otmp = otmp->nobj)
942 setworn(otmp, otmp->owornmask);
944 /* in_use processing must be after:
945 * + The inventory has been read so that freeinv() works.
946 * + The current level has been restored so billing information
951 load_qtlist(); /* re-load the quest text info */
952 /* Set up the vision internals, after levl[] data is loaded
953 but before docrt(). */
956 vision_full_recalc = 1; /* recompute vision (not saved) */
958 run_timers(); /* expire all timers that have gone off while away */
961 clear_nhwindow(WIN_MESSAGE);
965 check_special_room(FALSE);
970 restcemetery(fd, cemeteryaddr)
972 struct cemetery **cemeteryaddr;
974 struct cemetery *bonesinfo, **bonesaddr;
977 mread(fd, (genericptr_t) &flag, sizeof flag);
979 bonesaddr = cemeteryaddr;
981 bonesinfo = (struct cemetery *) alloc(sizeof *bonesinfo);
982 mread(fd, (genericptr_t) bonesinfo, sizeof *bonesinfo);
983 *bonesaddr = bonesinfo;
984 bonesaddr = &(*bonesaddr)->next;
985 } while (*bonesaddr);
993 rest_levl(fd, rlecomp)
1003 (void) memset((genericptr_t) &r, 0, sizeof(r));
1014 mread(fd, (genericptr_t) &len, sizeof(uchar));
1015 mread(fd, (genericptr_t) &r, sizeof(struct rm));
1023 #else /* !RLECOMP */
1025 #endif /* ?RLECOMP */
1026 mread(fd, (genericptr_t) levl, sizeof levl);
1034 pline("Strange, this map is not as I remember it.");
1036 pline("
\96
\82¾
\81C
\82±
\82Ì
\92n
\90}
\82Í
\8e\84\82ª
\8ao
\82¦
\82Ä
\82¢
\82½
\82à
\82Ì
\82Æ
\88á
\82¤
\81D");
1038 pline("Somebody is trying some trickery here...");
1040 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");
1042 pline("This game is void.");
1044 pline("
\82±
\82Ì
\83Q
\81[
\83\80\82Í
\96³
\8cø
\82Æ
\82È
\82é
\81D");
1045 Strcpy(killer.name, reason ? reason : "");
1050 getlev(fd, pid, lev, ghostly)
1055 register struct trap *trap;
1056 register struct monst *mtmp;
1069 #if defined(MSDOS) || defined(OS2)
1070 setmode(fd, O_BINARY);
1072 /* Load the old fruit info. We have to do it first, so the
1073 * information is available when restoring the objects.
1076 oldfruit = loadfruitchn(fd);
1078 /* First some sanity checks */
1079 mread(fd, (genericptr_t) &hpid, sizeof(hpid));
1080 /* CHECK: This may prevent restoration */
1082 mread(fd, (genericptr_t) &tlev, sizeof(tlev));
1083 dlvl = tlev & 0x00ff;
1085 mread(fd, (genericptr_t) &dlvl, sizeof(dlvl));
1087 if ((pid && pid != hpid) || (lev && dlvl != lev)) {
1088 char trickbuf[BUFSZ];
1090 if (pid && pid != hpid)
1091 Sprintf(trickbuf, "PID (%d) doesn't match saved PID (%d)!", hpid,
1094 Sprintf(trickbuf, "This is level %d, not %d!", dlvl, lev);
1099 restcemetery(fd, &level.bonesinfo);
1101 (boolean) ((sfrestinfo.sfi1 & SFI1_RLECOMP) == SFI1_RLECOMP));
1102 mread(fd, (genericptr_t) lastseentyp, sizeof(lastseentyp));
1103 mread(fd, (genericptr_t) &omoves, sizeof(omoves));
1104 elapsed = monstermoves - omoves;
1105 mread(fd, (genericptr_t) &upstair, sizeof(stairway));
1106 mread(fd, (genericptr_t) &dnstair, sizeof(stairway));
1107 mread(fd, (genericptr_t) &upladder, sizeof(stairway));
1108 mread(fd, (genericptr_t) &dnladder, sizeof(stairway));
1109 mread(fd, (genericptr_t) &sstairs, sizeof(stairway));
1110 mread(fd, (genericptr_t) &updest, sizeof(dest_area));
1111 mread(fd, (genericptr_t) &dndest, sizeof(dest_area));
1112 mread(fd, (genericptr_t) &level.flags, sizeof(level.flags));
1113 mread(fd, (genericptr_t) doors, sizeof(doors));
1114 rest_rooms(fd); /* No joke :-) */
1116 doorindex = rooms[nroom - 1].fdoor + rooms[nroom - 1].doorct;
1120 restore_timers(fd, RANGE_LEVEL, ghostly, elapsed);
1121 restore_light_sources(fd);
1122 fmon = restmonchn(fd, ghostly);
1124 rest_worm(fd); /* restore worm information */
1126 while (trap = newtrap(),
1127 mread(fd, (genericptr_t) trap, sizeof(struct trap)),
1128 trap->tx != 0) { /* need "!= 0" to work around DICE 3.0 bug */
1129 trap->ntrap = ftrap;
1133 fobj = restobjchn(fd, ghostly, FALSE);
1135 /* restobjchn()'s `frozen' argument probably ought to be a callback
1136 routine so that we can check for objects being buried under ice */
1137 level.buriedobjlist = restobjchn(fd, ghostly, FALSE);
1138 billobjs = restobjchn(fd, ghostly, FALSE);
1139 rest_engravings(fd);
1141 /* reset level.monsters for new level */
1142 for (x = 0; x < COLNO; x++)
1143 for (y = 0; y < ROWNO; y++)
1144 level.monsters[x][y] = (struct monst *) 0;
1145 for (mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
1147 set_residency(mtmp, FALSE);
1148 place_monster(mtmp, mtmp->mx, mtmp->my);
1150 place_wsegs(mtmp, NULL);
1152 /* regenerate monsters while on another level */
1156 /* reset peaceful/malign relative to new character;
1157 shopkeepers will reset based on name */
1160 (is_unicorn(mtmp->data)
1161 && sgn(u.ualign.type) == sgn(mtmp->data->maligntyp))
1163 : peace_minded(mtmp->data);
1165 } else if (elapsed > 0L) {
1166 mon_catchup_elapsed_time(mtmp, elapsed);
1168 /* update shape-changers in case protection against
1169 them is different now than when the level was saved */
1171 /* give hiders a chance to hide before their next move */
1172 if (ghostly || elapsed > (long) rnd(10))
1176 restdamage(fd, ghostly);
1177 rest_regions(fd, ghostly);
1179 /* Now get rid of all the temp fruits... */
1180 freefruitchn(oldfruit), oldfruit = 0;
1182 if (lev > ledger_no(&medusa_level)
1183 && lev < ledger_no(&stronghold_level) && xdnstair == 0) {
1189 levl[cc.x][cc.y].typ = STAIRS;
1192 br = Is_branchlev(&u.uz);
1193 if (br && u.uz.dlevel == 1) {
1196 if (on_level(&u.uz, &br->end1))
1197 assign_level(<mp, &br->end2);
1199 assign_level(<mp, &br->end1);
1204 case BR_NO_END2: /* OK to assign to sstairs if it's not used */
1205 assign_level(&sstairs.tolev, <mp);
1207 case BR_PORTAL: /* max of 1 portal per level */
1208 for (trap = ftrap; trap; trap = trap->ntrap)
1209 if (trap->ttyp == MAGIC_PORTAL)
1212 panic("getlev: need portal but none found");
1213 assign_level(&trap->dst, <mp);
1217 struct trap *ttmp = 0;
1219 /* Remove any dangling portals. */
1220 for (trap = ftrap; trap; trap = ttmp) {
1222 if (trap->ttyp == MAGIC_PORTAL)
1228 /* must come after all mons & objs are restored */
1229 relink_timers(ghostly);
1230 relink_light_sources(ghostly);
1231 reset_oattached_mids(ghostly);
1238 get_plname_from_file(fd, plbuf)
1243 _pragma_ignore(-Wunused-result)
1244 (void) read(fd, (genericptr_t) &pltmpsiz, sizeof(pltmpsiz));
1245 (void) read(fd, (genericptr_t) plbuf, pltmpsiz);
1251 restore_msghistory(fd)
1254 int msgsize, msgcount = 0;
1258 mread(fd, (genericptr_t) &msgsize, sizeof(msgsize));
1261 if (msgsize > (BUFSZ - 1))
1262 panic("restore_msghistory: msg too big (%d)", msgsize);
1263 mread(fd, (genericptr_t) msg, msgsize);
1264 msg[msgsize] = '\0';
1265 putmsghistory(msg, TRUE);
1269 putmsghistory((char *) 0, TRUE);
1270 debugpline1("Read %d messages from savefile.", msgcount);
1273 /* Clear all structures for object and monster ID mapping. */
1277 struct bucket *curr;
1279 while ((curr = id_map) != 0) {
1280 id_map = curr->next;
1281 free((genericptr_t) curr);
1286 /* Add a mapping to the ID map. */
1288 add_id_mapping(gid, nid)
1293 idx = n_ids_mapped % N_PER_BUCKET;
1294 /* idx is zero on first time through, as well as when a new bucket is */
1297 struct bucket *gnu = (struct bucket *) alloc(sizeof(struct bucket));
1302 id_map->map[idx].gid = gid;
1303 id_map->map[idx].nid = nid;
1308 * Global routine to look up a mapping. If found, return TRUE and fill
1309 * in the new ID value. Otherwise, return false and return -1 in the new
1313 lookup_id_mapping(gid, nidp)
1314 unsigned gid, *nidp;
1317 struct bucket *curr;
1320 for (curr = id_map; curr; curr = curr->next) {
1321 /* first bucket might not be totally full */
1322 if (curr == id_map) {
1323 i = n_ids_mapped % N_PER_BUCKET;
1330 if (gid == curr->map[i].gid) {
1331 *nidp = curr->map[i].nid;
1340 reset_oattached_mids(ghostly)
1344 unsigned oldid, nid;
1345 for (otmp = fobj; otmp; otmp = otmp->nobj) {
1346 if (ghostly && has_omonst(otmp)) {
1347 struct monst *mtmp = OMONST(otmp);
1350 mtmp->mpeaceful = mtmp->mtame = 0; /* pet's owner died! */
1352 if (ghostly && has_omid(otmp)) {
1353 (void) memcpy((genericptr_t) &oldid, (genericptr_t) OMID(otmp),
1355 if (lookup_id_mapping(oldid, &nid))
1356 (void) memcpy((genericptr_t) OMID(otmp), (genericptr_t) &nid,
1365 /* put up a menu listing each character from this player's saved games;
1366 returns 1: use plname[], 0: new game, -1: quit */
1368 restore_menu(bannerwin)
1369 winid bannerwin; /* if not WIN_ERR, clear window and show copyright in menu */
1374 menu_item *chosen_game = (menu_item *) 0;
1375 int k, clet, ch = 0; /* ch: 0 => new game */
1378 saved = get_saved_games(); /* array of character names */
1379 if (saved && *saved) {
1380 tmpwin = create_nhwindow(NHW_MENU);
1382 any = zeroany; /* no selection */
1383 if (bannerwin != WIN_ERR) {
1384 /* for tty; erase copyright notice and redo it in the menu */
1385 clear_nhwindow(bannerwin);
1386 /* COPYRIGHT_BANNER_[ABCD] */
1387 for (k = 1; k <= 4; ++k)
1388 add_menu(tmpwin, NO_GLYPH, &any, 0, 0, ATR_NONE,
1389 copyright_banner_line(k), MENU_UNSELECTED);
1390 add_menu(tmpwin, NO_GLYPH, &any, 0, 0, ATR_NONE, "",
1393 add_menu(tmpwin, NO_GLYPH, &any, 0, 0, ATR_NONE,
1394 "Select one of your saved games", MENU_UNSELECTED);
1395 for (k = 0; saved[k]; ++k) {
1397 add_menu(tmpwin, NO_GLYPH, &any, 0, 0, ATR_NONE, saved[k],
1400 clet = (k <= 'n' - 'a') ? 'n' : 0; /* new game */
1401 any.a_int = -1; /* not >= 0 */
1402 add_menu(tmpwin, NO_GLYPH, &any, clet, 0, ATR_NONE,
1403 "Start a new character", MENU_UNSELECTED);
1404 clet = (k + 1 <= 'q' - 'a') ? 'q' : 0; /* quit */
1406 add_menu(tmpwin, NO_GLYPH, &any, clet, 0, ATR_NONE,
1407 "Never mind (quit)", MENU_SELECTED);
1408 /* no prompt on end_menu, as we've done our own at the top */
1409 end_menu(tmpwin, (char *) 0);
1410 if (select_menu(tmpwin, PICK_ONE, &chosen_game) > 0) {
1411 ch = chosen_game->item.a_int;
1413 Strcpy(plname, saved[ch - 1]);
1415 ++ch; /* -1 -> 0 (new game), -2 -> -1 (quit) */
1416 free((genericptr_t) chosen_game);
1418 ch = -1; /* quit menu without making a selection => quit */
1420 destroy_nhwindow(tmpwin);
1421 if (bannerwin != WIN_ERR) {
1422 /* for tty; clear the menu away and put subset of copyright back
1424 clear_nhwindow(bannerwin);
1425 /* COPYRIGHT_BANNER_A, preceding "Who are you?" prompt */
1427 putstr(bannerwin, 0, copyright_banner_line(1));
1430 free_saved_games(saved);
1431 return (ch > 0) ? 1 : ch;
1433 #endif /* SELECTSAVED */
1438 (*restoreprocs.restore_minit)();
1445 register genericptr_t buf;
1446 register unsigned int len;
1448 (*restoreprocs.restore_mread)(fd, buf, len);
1452 /* examine the version info and the savefile_info data
1453 that immediately follows it.
1454 Return 0 if it passed the checks.
1455 Return 1 if it failed the version check.
1456 Return 2 if it failed the savefile feature check.
1457 Return -1 if it failed for some unknown reason.
1465 struct savefile_info sfi;
1466 unsigned long compatible;
1467 boolean verbose = name ? TRUE : FALSE, reslt = FALSE;
1469 if (!(reslt = uptodate(fd, name)))
1472 rlen = read(fd, (genericptr_t) &sfi, sizeof sfi);
1473 minit(); /* ZEROCOMP */
1476 pline("File \"%s\" is empty during save file feature check?",
1483 compatible = (sfi.sfi1 & sfcap.sfi1);
1485 if ((sfi.sfi1 & SFI1_ZEROCOMP) == SFI1_ZEROCOMP) {
1486 if ((compatible & SFI1_ZEROCOMP) != SFI1_ZEROCOMP) {
1488 pline("File \"%s\" has incompatible ZEROCOMP compression.",
1493 } else if ((sfrestinfo.sfi1 & SFI1_ZEROCOMP) != SFI1_ZEROCOMP) {
1494 set_restpref("zerocomp");
1498 if ((sfi.sfi1 & SFI1_EXTERNALCOMP) == SFI1_EXTERNALCOMP) {
1499 if ((compatible & SFI1_EXTERNALCOMP) != SFI1_EXTERNALCOMP) {
1501 pline("File \"%s\" lacks required internal compression.",
1506 } else if ((sfrestinfo.sfi1 & SFI1_EXTERNALCOMP)
1507 != SFI1_EXTERNALCOMP) {
1508 set_restpref("externalcomp");
1512 /* RLECOMP check must be last, after ZEROCOMP or INTERNALCOMP adjustments
1514 if ((sfi.sfi1 & SFI1_RLECOMP) == SFI1_RLECOMP) {
1515 if ((compatible & SFI1_RLECOMP) != SFI1_RLECOMP) {
1517 pline("File \"%s\" has incompatible run-length compression.",
1522 } else if ((sfrestinfo.sfi1 & SFI1_RLECOMP) != SFI1_RLECOMP) {
1523 set_restpref("rlecomp");
1526 /* savefile does not have RLECOMP level location compression, so adjust */
1528 set_restpref("!rlecomp");
1537 if (iflags.zerocomp)
1538 set_restpref("zerocomp");
1541 set_restpref("externalcomp");
1544 set_restpref("rlecomp");
1547 set_restpref("!rlecomp");
1551 set_restpref(suitename)
1552 const char *suitename;
1554 if (!strcmpi(suitename, "externalcomp")) {
1555 restoreprocs.name = "externalcomp";
1556 restoreprocs.restore_mread = def_mread;
1557 restoreprocs.restore_minit = def_minit;
1558 sfrestinfo.sfi1 |= SFI1_EXTERNALCOMP;
1559 sfrestinfo.sfi1 &= ~SFI1_ZEROCOMP;
1562 if (!strcmpi(suitename, "!rlecomp")) {
1563 sfrestinfo.sfi1 &= ~SFI1_RLECOMP;
1566 if (!strcmpi(suitename, "zerocomp")) {
1567 restoreprocs.name = "zerocomp";
1568 restoreprocs.restore_mread = zerocomp_mread;
1569 restoreprocs.restore_minit = zerocomp_minit;
1570 sfrestinfo.sfi1 |= SFI1_ZEROCOMP;
1571 sfrestinfo.sfi1 &= ~SFI1_EXTERNALCOMP;
1576 if (!strcmpi(suitename, "rlecomp")) {
1577 sfrestinfo.sfi1 |= SFI1_RLECOMP;
1583 #define RLESC '\0' /* Leading character for run of RLESC's */
1585 #ifndef ZEROCOMP_BUFSIZ
1586 #define ZEROCOMP_BUFSIZ BUFSZ
1588 static NEARDATA unsigned char inbuf[ZEROCOMP_BUFSIZ];
1589 static NEARDATA unsigned short inbufp = 0;
1590 static NEARDATA unsigned short inbufsz = 0;
1591 static NEARDATA short inrunlength = -1;
1592 static NEARDATA int mreadfd;
1597 if (inbufp >= inbufsz) {
1598 inbufsz = read(mreadfd, (genericptr_t) inbuf, sizeof inbuf);
1600 if (inbufp > sizeof inbuf)
1601 error("EOF on file #%d.\n", mreadfd);
1602 inbufp = 1 + sizeof inbuf; /* exactly one warning :-) */
1607 return inbuf[inbufp++];
1619 zerocomp_mread(fd, buf, len)
1622 register unsigned len;
1624 /*register int readlen = 0;*/
1626 error("Restore error; mread attempting to read file %d.", fd);
1629 if (inrunlength > 0) {
1631 *(*((char **) &buf))++ = '\0';
1633 register short ch = zerocomp_mgetc();
1635 restoreprocs.mread_flags = -1;
1638 if ((*(*(char **) &buf)++ = (char) ch) == RLESC) {
1639 inrunlength = zerocomp_mgetc();
1645 #endif /* ZEROCOMP */
1654 def_mread(fd, buf, len)
1656 register genericptr_t buf;
1657 register unsigned int len;
1660 #if defined(BSD) || defined(ULTRIX)
1661 #define readLenType int
1662 #else /* e.g. SYSV, __TURBOC__ */
1663 #define readLenType unsigned
1666 rlen = read(fd, buf, (readLenType) len);
1667 if ((readLenType) rlen != (readLenType) len) {
1668 if (restoreprocs.mread_flags == 1) { /* means "return anyway" */
1669 restoreprocs.mread_flags = -1;
1672 pline("Read %d instead of %u bytes.", rlen, len);
1675 (void) delete_savefile();
1676 error("Error restoring old game.");
1678 panic("Error reading level file.");