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/* SCCS Id: @(#)bones.c 3.4 2003/09/06 */
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985,1993. */
/* NetHack may be freely redistributed. See license for details. */
#include "hack.h"
#include "lev.h"
extern char bones[]; /* from files.c */
#ifdef MFLOPPY
extern long bytes_counted;
#endif
STATIC_DCL boolean FDECL(no_bones_level, (d_level *));
STATIC_DCL void FDECL(goodfruit, (int));
STATIC_DCL void FDECL(resetobjs,(struct obj *,BOOLEAN_P));
STATIC_DCL void FDECL(drop_upon_death, (struct monst *, struct obj *));
STATIC_OVL boolean
no_bones_level(lev)
d_level *lev;
{
extern d_level save_dlevel; /* in do.c */
s_level *sptr;
if (ledger_no(&save_dlevel)) assign_level(lev, &save_dlevel);
return (boolean)(((sptr = Is_special(lev)) != 0 && !sptr->boneid)
|| !dungeons[lev->dnum].boneid
/* no bones on the last or multiway branch levels */
/* in any dungeon (level 1 isn't multiway). */
|| Is_botlevel(lev) || (Is_branchlev(lev) && lev->dlevel > 1)
/* no bones in the invocation level */
|| (In_hell(lev) && lev->dlevel == dunlevs_in_dungeon(lev) - 1)
);
}
/* Call this function for each fruit object saved in the bones level: it marks
* that particular type of fruit as existing (the marker is that that type's
* ID is positive instead of negative). This way, when we later save the
* chain of fruit types, we know to only save the types that exist.
*/
STATIC_OVL void
goodfruit(id)
int id;
{
register struct fruit *f;
for(f=ffruit; f; f=f->nextf) {
if(f->fid == -id) {
f->fid = id;
return;
}
}
}
STATIC_OVL void
resetobjs(ochain,restore)
struct obj *ochain;
boolean restore;
{
struct obj *otmp;
for (otmp = ochain; otmp; otmp = otmp->nobj) {
if (otmp->cobj)
resetobjs(otmp->cobj,restore);
if (((otmp->otyp != CORPSE || otmp->corpsenm < SPECIAL_PM)
&& otmp->otyp != STATUE)
&& (!otmp->oartifact ||
(restore && (exist_artifact(otmp->otyp, ONAME(otmp))
|| is_quest_artifact(otmp))))) {
otmp->oartifact = 0;
otmp->onamelth = 0;
*ONAME(otmp) = '\0';
} else if (otmp->oartifact && restore)
artifact_exists(otmp,ONAME(otmp),TRUE);
if (!restore) {
/* do not zero out o_ids for ghost levels anymore */
if(objects[otmp->otyp].oc_uses_known) otmp->known = 0;
otmp->dknown = otmp->bknown = 0;
otmp->rknown = 0;
otmp->invlet = 0;
otmp->no_charge = 0;
if (otmp->otyp == SLIME_MOLD) goodfruit(otmp->spe);
#ifdef MAIL
else if (otmp->otyp == SCR_MAIL) otmp->spe = 1;
#endif
else if (otmp->otyp == EGG) otmp->spe = 0;
else if (otmp->otyp == TIN) {
/* make tins of unique monster's meat be empty */
if (otmp->corpsenm >= LOW_PM &&
(mons[otmp->corpsenm].geno & G_UNIQ))
otmp->corpsenm = NON_PM;
} else if (otmp->otyp == AMULET_OF_YENDOR) {
/* no longer the real Amulet */
otmp->otyp = FAKE_AMULET_OF_YENDOR;
curse(otmp);
} else if (otmp->otyp == CANDELABRUM_OF_INVOCATION) {
if (otmp->lamplit)
end_burn(otmp, TRUE);
otmp->otyp = WAX_CANDLE;
otmp->age = 50L; /* assume used */
if (otmp->spe > 0)
otmp->quan = (long)otmp->spe;
otmp->spe = 0;
otmp->owt = weight(otmp);
curse(otmp);
} else if (otmp->otyp == BELL_OF_OPENING) {
otmp->otyp = BELL;
curse(otmp);
} else if (otmp->otyp == SPE_BOOK_OF_THE_DEAD) {
otmp->otyp = SPE_BLANK_PAPER;
curse(otmp);
}
}
}
}
STATIC_OVL void
drop_upon_death(mtmp, cont)
struct monst *mtmp;
struct obj *cont;
{
struct obj *otmp;
uswapwep = 0; /* ensure curse() won't cause swapwep to drop twice */
while ((otmp = invent) != 0) {
obj_extract_self(otmp);
obj_no_longer_held(otmp);
otmp->owornmask = 0;
/* lamps don't go out when dropped */
if ((cont || artifact_light(otmp)) && obj_is_burning(otmp))
end_burn(otmp, TRUE); /* smother in statue */
if(otmp->otyp == SLIME_MOLD) goodfruit(otmp->spe);
if(rn2(5)) curse(otmp);
if (mtmp)
(void) add_to_minv(mtmp, otmp);
else if (cont)
(void) add_to_container(cont, otmp);
else
place_object(otmp, u.ux, u.uy);
}
#ifndef GOLDOBJ
if(u.ugold) {
long ugold = u.ugold;
if (mtmp) mtmp->mgold = ugold;
else if (cont) (void) add_to_container(cont, mkgoldobj(ugold));
else (void)mkgold(ugold, u.ux, u.uy);
u.ugold = ugold; /* undo mkgoldobj()'s removal */
}
#endif
if (cont) cont->owt = weight(cont);
}
/* check whether bones are feasible */
boolean
can_make_bones()
{
register struct trap *ttmp;
if (ledger_no(&u.uz) <= 0 || ledger_no(&u.uz) > maxledgerno())
return FALSE;
if (no_bones_level(&u.uz))
return FALSE; /* no bones for specific levels */
if (u.uswallow) {
return FALSE; /* no bones when swallowed */
}
if (!Is_branchlev(&u.uz)) {
/* no bones on non-branches with portals */
for(ttmp = ftrap; ttmp; ttmp = ttmp->ntrap)
if (ttmp->ttyp == MAGIC_PORTAL) return FALSE;
}
if(depth(&u.uz) <= 0 || /* bulletproofing for endgame */
(!rn2(1 + (depth(&u.uz)>>2)) /* fewer ghosts on low levels */
#ifdef WIZARD
&& !wizard
#endif
)) return FALSE;
/* don't let multiple restarts generate multiple copies of objects
* in bones files */
if (discover) return FALSE;
return TRUE;
}
/* save bones and possessions of a deceased adventurer */
void
savebones(corpse)
struct obj *corpse;
{
FILE* fd;
int x, y;
struct trap *ttmp;
struct monst *mtmp;
struct permonst *mptr;
struct fruit *f;
char c, *bonesid;
char whynot[BUFSZ];
/* caller has already checked `can_make_bones()' */
clear_bypasses();
fd = open_bonesfile(&u.uz, &bonesid);
if (fd != 0) {
(void) fclose(fd);
compress_bonesfile();
#ifdef WIZARD
if (wizard) {
if (yn("Bones file already exists. Replace it?") == 'y') {
if (delete_bonesfile(&u.uz)) goto make_bones;
else pline("Cannot unlink old bones.");
}
}
#endif
return;
}
#ifdef WIZARD
make_bones:
#endif
unleash_all();
/* in case these characters are not in their home bases */
for (mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
if (DEADMONSTER(mtmp)) continue;
mptr = mtmp->data;
if (mtmp->iswiz || mptr == &mons[PM_MEDUSA] ||
mptr->msound == MS_NEMESIS || mptr->msound == MS_LEADER ||
mptr == &mons[PM_VLAD_THE_IMPALER])
mongone(mtmp);
}
#ifdef STEED
if (u.usteed) dismount_steed(DISMOUNT_BONES);
#endif
dmonsfree(); /* discard dead or gone monsters */
/* mark all fruits as nonexistent; when we come to them we'll mark
* them as existing (using goodfruit())
*/
for(f=ffruit; f; f=f->nextf) f->fid = -f->fid;
/* check iron balls separately--maybe they're not carrying it */
if (uball) uball->owornmask = uchain->owornmask = 0;
/* dispose of your possessions, usually cursed */
if (u.ugrave_arise == (NON_PM - 1)) {
struct obj *otmp;
/* embed your possessions in your statue */
otmp = mk_named_object(STATUE, &mons[u.umonnum],
u.ux, u.uy, plname);
drop_upon_death((struct monst *)0, otmp);
if (!otmp) return; /* couldn't make statue */
mtmp = (struct monst *)0;
} else if (u.ugrave_arise < LOW_PM) {
/* drop everything */
drop_upon_death((struct monst *)0, (struct obj *)0);
/* trick makemon() into allowing monster creation
* on your location
*/
in_mklev = TRUE;
mtmp = makemon(&mons[PM_GHOST], u.ux, u.uy, MM_NONAME);
in_mklev = FALSE;
if (!mtmp) return;
mtmp = christen_monst(mtmp, plname);
if (corpse)
(void) obj_attach_mid(corpse, mtmp->m_id);
} else {
/* give your possessions to the monster you become */
in_mklev = TRUE;
mtmp = makemon(&mons[u.ugrave_arise], u.ux, u.uy, NO_MM_FLAGS);
in_mklev = FALSE;
if (!mtmp) {
drop_upon_death((struct monst *)0, (struct obj *)0);
return;
}
mtmp = christen_monst(mtmp, plname);
newsym(u.ux, u.uy);
Your("body rises from the dead as %s...",
an(mons[u.ugrave_arise].mname));
display_nhwindow(WIN_MESSAGE, FALSE);
drop_upon_death(mtmp, (struct obj *)0);
m_dowear(mtmp, TRUE);
}
if (mtmp) {
mtmp->m_lev = (u.ulevel ? u.ulevel : 1);
mtmp->mhp = mtmp->mhpmax = u.uhpmax;
mtmp->female = flags.female;
mtmp->msleeping = 1;
}
for(mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
resetobjs(mtmp->minvent,FALSE);
/* do not zero out m_ids for bones levels any more */
mtmp->mlstmv = 0L;
if(mtmp->mtame) mtmp->mtame = mtmp->mpeaceful = 0;
}
for(ttmp = ftrap; ttmp; ttmp = ttmp->ntrap) {
ttmp->madeby_u = 0;
ttmp->tseen = (ttmp->ttyp == HOLE);
}
resetobjs(fobj,FALSE);
resetobjs(level.buriedobjlist, FALSE);
/* Hero is no longer on the map. */
u.ux = u.uy = 0;
/* Clear all memory from the level. */
for(x=0; x<COLNO; x++) for(y=0; y<ROWNO; y++) {
levl[x][y].seenv = 0;
levl[x][y].waslit = 0;
levl[x][y].glyph = cmap_to_glyph(S_stone);
}
fd = create_bonesfile(&u.uz, &bonesid, whynot);
if(fd < 0) {
#ifdef WIZARD
if(wizard)
pline("%s", whynot);
#endif
/* bones file creation problems are silent to the player.
* Keep it that way, but place a clue into the paniclog.
*/
paniclog("savebones", whynot);
return;
}
c = (char) (strlen(bonesid) + 1);
#ifdef MFLOPPY /* check whether there is room */
if (iflags.checkspace) {
savelev(fd, ledger_no(&u.uz), COUNT_SAVE);
/* savelev() initializes bytes_counted to 0, so it must come
* first here even though it does not in the real save. the
* resulting extra bflush() at the end of savelev() may increase
* bytes_counted by a couple over what the real usage will be.
*
* note it is safe to call store_version() here only because
* bufon() is null for ZEROCOMP, which MFLOPPY uses -- otherwise
* this code would have to know the size of the version
* information itself.
*/
store_version(fd);
bwrite(fd, (genericptr_t) &c, sizeof c);
bwrite(fd, (genericptr_t) bonesid, (unsigned) c); /* DD.nnn */
savefruitchn(fd, COUNT_SAVE);
bflush(fd);
if (bytes_counted > freediskspace(bones)) { /* not enough room */
# ifdef WIZARD
if (wizard)
pline("Insufficient space to create bones file.");
# endif
(void) close(fd);
cancel_bonesfile();
return;
}
co_false(); /* make sure stuff before savelev() gets written */
}
#endif /* MFLOPPY */
store_version(fd);
bwrite(fd, (genericptr_t) &c, sizeof c);
bwrite(fd, (genericptr_t) bonesid, (unsigned) c); /* DD.nnn */
savefruitchn(fd, WRITE_SAVE | FREE_SAVE);
update_mlstmv(); /* update monsters for eventual restoration */
savelev(fd, ledger_no(&u.uz), WRITE_SAVE | FREE_SAVE);
bclose(fd);
commit_bonesfile(&u.uz);
compress_bonesfile();
}
int
getbones()
{
register FILE* fd;
register int ok;
char c, *bonesid, oldbonesid[10];
if(discover) /* save bones files for real games */
return(0);
/* wizard check added by GAN 02/05/87 */
if(rn2(3) /* only once in three times do we find bones */
#ifdef WIZARD
&& !wizard
#endif
) return(0);
if(no_bones_level(&u.uz)) return(0);
fd = open_bonesfile(&u.uz, &bonesid);
if (fd == 0) return(0);
if ((ok = uptodate(fd, bones)) == 0) {
#ifdef WIZARD
if (!wizard)
#endif
pline("Discarding unuseable bones; no need to panic...");
} else {
#ifdef WIZARD
if(wizard) {
if(yn("Get bones?") == 'n') {
(void) fclose(fd);
compress_bonesfile();
return(0);
}
}
#endif
mread(fd, (genericptr_t) &c, sizeof c); /* length incl. '\0' */
mread(fd, (genericptr_t) oldbonesid, (unsigned) c); /* DD.nnn */
if (strcmp(bonesid, oldbonesid) != 0) {
char errbuf[BUFSZ];
Sprintf(errbuf, "This is bones level '%s', not '%s'!",
oldbonesid, bonesid);
#ifdef WIZARD
if (wizard) {
pline("%s", errbuf);
ok = FALSE; /* won't die of trickery */
}
#endif
trickery(errbuf);
} else {
register struct monst *mtmp;
getlev(fd, 0, 0, TRUE);
/* Note that getlev() now keeps tabs on unique
* monsters such as demon lords, and tracks the
* birth counts of all species just as makemon()
* does. If a bones monster is extinct or has been
* subject to genocide, their mhpmax will be
* set to the magic DEFUNCT_MONSTER cookie value.
*/
for(mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
if (mtmp->mhpmax == DEFUNCT_MONSTER) {
#if defined(DEBUG) && defined(WIZARD)
if (wizard)
pline("Removing defunct monster %s from bones.",
mtmp->data->mname);
#endif
mongone(mtmp);
} else
/* to correctly reset named artifacts on the level */
resetobjs(mtmp->minvent,TRUE);
}
resetobjs(fobj,TRUE);
resetobjs(level.buriedobjlist,TRUE);
}
}
(void) fclose(fd);
#ifdef WIZARD
if(wizard) {
if(yn("Unlink bones?") == 'n') {
compress_bonesfile();
return(ok);
}
}
#endif
if (!delete_bonesfile(&u.uz)) {
/* When N games try to simultaneously restore the same
* bones file, N-1 of them will fail to delete it
* (the first N-1 under AmigaDOS, the last N-1 under UNIX).
* So no point in a mysterious message for a normal event
* -- just generate a new level for those N-1 games.
*/
/* pline("Cannot unlink bones."); */
return(0);
}
return(ok);
}
/*bones.c*/