Source:NetHack 3.6.0/src/mkroom.c

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/* NetHack 3.6	mkroom.c	$NHDT-Date: 1446887530 2015/11/07 09:12:10 $  $NHDT-Branch: master $:$NHDT-Revision: 1.24 $ */
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/* NetHack may be freely redistributed.  See license for details. */

/*
* Entry points:
*      mkroom() -- make and stock a room of a given type
*      nexttodoor() -- return TRUE if adjacent to a door
*      has_dnstairs() -- return TRUE if given room has a down staircase
*      has_upstairs() -- return TRUE if given room has an up staircase
*      courtmon() -- generate a court monster
*      save_rooms() -- save rooms into file fd
*      rest_rooms() -- restore rooms from file fd
*      cmap_to_type() -- convert S_xxx symbol to XXX topology code
*/

#include "hack.h"

STATIC_DCL boolean FDECL(isbig, (struct mkroom *));
STATIC_DCL struct mkroom *FDECL(pick_room, (BOOLEAN_P));
STATIC_DCL void NDECL(mkshop), FDECL(mkzoo, (int)), NDECL(mkswamp);
STATIC_DCL void NDECL(mktemple);
STATIC_DCL coord *FDECL(shrine_pos, (int));
STATIC_DCL struct permonst *NDECL(morguemon);
STATIC_DCL struct permonst *NDECL(squadmon);
STATIC_DCL void FDECL(save_room, (int, struct mkroom *));
STATIC_DCL void FDECL(rest_room, (int, struct mkroom *));

#define sq(x) ((x) * (x))

extern const struct shclass shtypes[]; /* defined in shknam.c */

STATIC_OVL boolean
isbig(sroom)
register struct mkroom *sroom;
{
register int area = (sroom->hx - sroom->lx + 1)
* (sroom->hy - sroom->ly + 1);

return (boolean) (area > 20);
}

/* make and stock a room of a given type */
void
mkroom(roomtype)
int roomtype;
{
if (roomtype >= SHOPBASE)
mkshop(); /* someday, we should be able to specify shop type */
else
switch (roomtype) {
case COURT:
mkzoo(COURT);
break;
case ZOO:
mkzoo(ZOO);
break;
case BEEHIVE:
mkzoo(BEEHIVE);
break;
case MORGUE:
mkzoo(MORGUE);
break;
case BARRACKS:
mkzoo(BARRACKS);
break;
case SWAMP:
mkswamp();
break;
case TEMPLE:
mktemple();
break;
case LEPREHALL:
mkzoo(LEPREHALL);
break;
case COCKNEST:
mkzoo(COCKNEST);
break;
case ANTHOLE:
mkzoo(ANTHOLE);
break;
default:
impossible("Tried to make a room of type %d.", roomtype);
}
}

STATIC_OVL void
mkshop()
{
register struct mkroom *sroom;
int i = -1;
char *ep = (char *) 0; /* (init == lint suppression) */

/* first determine shoptype */
if (wizard) {
#ifndef MAC
ep = nh_getenv("SHOPTYPE");
if (ep) {
if (*ep == 'z' || *ep == 'Z') {
mkzoo(ZOO);
return;
}
if (*ep == 'm' || *ep == 'M') {
mkzoo(MORGUE);
return;
}
if (*ep == 'b' || *ep == 'B') {
mkzoo(BEEHIVE);
return;
}
if (*ep == 't' || *ep == 'T' || *ep == '\\') {
mkzoo(COURT);
return;
}
if (*ep == 's' || *ep == 'S') {
mkzoo(BARRACKS);
return;
}
if (*ep == 'a' || *ep == 'A') {
mkzoo(ANTHOLE);
return;
}
if (*ep == 'c' || *ep == 'C') {
mkzoo(COCKNEST);
return;
}
if (*ep == 'l' || *ep == 'L') {
mkzoo(LEPREHALL);
return;
}
if (*ep == '_') {
mktemple();
return;
}
if (*ep == '}') {
mkswamp();
return;
}
for (i = 0; shtypes[i].name; i++)
if (*ep == def_oc_syms[(int) shtypes[i].symb].sym)
goto gottype;
if (*ep == 'g' || *ep == 'G')
i = 0;
else if (*ep == 'v' || *ep == 'V')
i = FODDERSHOP - SHOPBASE; /* veggy food */
else
i = -1;
}
#endif
}
#ifndef MAC
gottype:
#endif
for (sroom = &rooms[0];; sroom++) {
if (sroom->hx < 0)
return;
if (sroom - rooms >= nroom) {
pline("rooms not closed by -1?");
return;
}
if (sroom->rtype != OROOM)
continue;
if (has_dnstairs(sroom) || has_upstairs(sroom))
continue;
if ((wizard && ep && sroom->doorct != 0) || sroom->doorct == 1)
break;
}
if (!sroom->rlit) {
int x, y;

for (x = sroom->lx - 1; x <= sroom->hx + 1; x++)
for (y = sroom->ly - 1; y <= sroom->hy + 1; y++)
levl[x][y].lit = 1;
sroom->rlit = 1;
}

if (i < 0) { /* shoptype not yet determined */
register int j;

/* pick a shop type at random */
for (j = rnd(100), i = 0; (j -= shtypes[i].prob) > 0; i++)
continue;

/* big rooms cannot be wand or book shops,
* - so make them general stores
*/
if (isbig(sroom) && (shtypes[i].symb == WAND_CLASS
|| shtypes[i].symb == SPBOOK_CLASS))
i = 0;
}
sroom->rtype = SHOPBASE + i;

/* set room bits before stocking the shop */
#ifdef SPECIALIZATION
topologize(sroom, FALSE); /* doesn't matter - this is a special room */
#else
topologize(sroom);
#endif

/* stock the room with a shopkeeper and artifacts */
stock_room(i, sroom);
}

/* pick an unused room, preferably with only one door */
STATIC_OVL struct mkroom *
pick_room(strict)
register boolean strict;
{
register struct mkroom *sroom;
register int i = nroom;

for (sroom = &rooms[rn2(nroom)]; i--; sroom++) {
if (sroom == &rooms[nroom])
sroom = &rooms[0];
if (sroom->hx < 0)
return (struct mkroom *) 0;
if (sroom->rtype != OROOM)
continue;
if (!strict) {
if (has_upstairs(sroom) || (has_dnstairs(sroom) && rn2(3)))
continue;
} else if (has_upstairs(sroom) || has_dnstairs(sroom))
continue;
if (sroom->doorct == 1 || !rn2(5) || wizard)
return sroom;
}
return (struct mkroom *) 0;
}

STATIC_OVL void
mkzoo(type)
int type;
{
register struct mkroom *sroom;

if ((sroom = pick_room(FALSE)) != 0) {
sroom->rtype = type;
fill_zoo(sroom);
}
}

void
fill_zoo(sroom)
struct mkroom *sroom;
{
struct monst *mon;
register int sx, sy, i;
int sh, tx = 0, ty = 0, goldlim = 0, type = sroom->rtype;
int rmno = (int) ((sroom - rooms) + ROOMOFFSET);
coord mm;

sh = sroom->fdoor;
switch (type) {
case COURT:
if (level.flags.is_maze_lev) {
for (tx = sroom->lx; tx <= sroom->hx; tx++)
for (ty = sroom->ly; ty <= sroom->hy; ty++)
if (IS_THRONE(levl[tx][ty].typ))
goto throne_placed;
}
i = 100;
do { /* don't place throne on top of stairs */
(void) somexy(sroom, &mm);
tx = mm.x;
ty = mm.y;
} while (occupied((xchar) tx, (xchar) ty) && --i > 0);
throne_placed:
/* TODO: try to ensure the enthroned monster is an M2_PRINCE */
break;
case BEEHIVE:
tx = sroom->lx + (sroom->hx - sroom->lx + 1) / 2;
ty = sroom->ly + (sroom->hy - sroom->ly + 1) / 2;
if (sroom->irregular) {
/* center might not be valid, so put queen elsewhere */
if ((int) levl[tx][ty].roomno != rmno || levl[tx][ty].edge) {
(void) somexy(sroom, &mm);
tx = mm.x;
ty = mm.y;
}
}
break;
case ZOO:
case LEPREHALL:
goldlim = 500 * level_difficulty();
break;
}

for (sx = sroom->lx; sx <= sroom->hx; sx++)
for (sy = sroom->ly; sy <= sroom->hy; sy++) {
if (sroom->irregular) {
if ((int) levl[sx][sy].roomno != rmno || levl[sx][sy].edge
|| (sroom->doorct
&& distmin(sx, sy, doors[sh].x, doors[sh].y) <= 1))
continue;
} else if (!SPACE_POS(levl[sx][sy].typ)
|| (sroom->doorct
&& ((sx == sroom->lx && doors[sh].x == sx - 1)
|| (sx == sroom->hx && doors[sh].x == sx + 1)
|| (sy == sroom->ly && doors[sh].y == sy - 1)
|| (sy == sroom->hy
&& doors[sh].y == sy + 1))))
continue;
/* don't place monster on explicitly placed throne */
if (type == COURT && IS_THRONE(levl[sx][sy].typ))
continue;
mon = makemon((type == COURT)
? courtmon()
: (type == BARRACKS)
? squadmon()
: (type == MORGUE)
? morguemon()
: (type == BEEHIVE)
? (sx == tx && sy == ty
? &mons[PM_QUEEN_BEE]
: &mons[PM_KILLER_BEE])
: (type == LEPREHALL)
? &mons[PM_LEPRECHAUN]
: (type == COCKNEST)
? &mons[PM_COCKATRICE]
: (type == ANTHOLE)
? antholemon()
: (struct permonst *) 0,
sx, sy, NO_MM_FLAGS);
if (mon) {
mon->msleeping = 1;
if (type == COURT && mon->mpeaceful) {
mon->mpeaceful = 0;
set_malign(mon);
}
}
switch (type) {
case ZOO:
case LEPREHALL:
if (sroom->doorct) {
int distval = dist2(sx, sy, doors[sh].x, doors[sh].y);
i = sq(distval);
} else
i = goldlim;
if (i >= goldlim)
i = 5 * level_difficulty();
goldlim -= i;
(void) mkgold((long) rn1(i, 10), sx, sy);
break;
case MORGUE:
if (!rn2(5))
(void) mk_tt_object(CORPSE, sx, sy);
if (!rn2(10)) /* lots of treasure buried with dead */
(void) mksobj_at((rn2(3)) ? LARGE_BOX : CHEST, sx, sy,
TRUE, FALSE);
if (!rn2(5))
make_grave(sx, sy, (char *) 0);
break;
case BEEHIVE:
if (!rn2(3))
(void) mksobj_at(LUMP_OF_ROYAL_JELLY, sx, sy, TRUE,
FALSE);
break;
case BARRACKS:
if (!rn2(20)) /* the payroll and some loot */
(void) mksobj_at((rn2(3)) ? LARGE_BOX : CHEST, sx, sy,
TRUE, FALSE);
break;
case COCKNEST:
if (!rn2(3)) {
struct obj *sobj = mk_tt_object(STATUE, sx, sy);

if (sobj) {
for (i = rn2(5); i; i--)
(void) add_to_container(
sobj, mkobj(RANDOM_CLASS, FALSE));
sobj->owt = weight(sobj);
}
}
break;
case ANTHOLE:
if (!rn2(3))
(void) mkobj_at(FOOD_CLASS, sx, sy, FALSE);
break;
}
}
switch (type) {
case COURT: {
struct obj *chest;
levl[tx][ty].typ = THRONE;
(void) somexy(sroom, &mm);
(void) mkgold((long) rn1(50 * level_difficulty(), 10), mm.x, mm.y);
/* the royal coffers */
chest = mksobj_at(CHEST, mm.x, mm.y, TRUE, FALSE);
chest->spe = 2; /* so it can be found later */
level.flags.has_court = 1;
break;
}
case BARRACKS:
level.flags.has_barracks = 1;
break;
case ZOO:
level.flags.has_zoo = 1;
break;
case MORGUE:
level.flags.has_morgue = 1;
break;
case SWAMP:
level.flags.has_swamp = 1;
break;
case BEEHIVE:
level.flags.has_beehive = 1;
break;
}
}

/* make a swarm of undead around mm */
void
mkundead(mm, revive_corpses, mm_flags)
coord *mm;
boolean revive_corpses;
int mm_flags;
{
int cnt = (level_difficulty() + 1) / 10 + rnd(5);
struct permonst *mdat;
struct obj *otmp;
coord cc;

while (cnt--) {
mdat = morguemon();
if (mdat && enexto(&cc, mm->x, mm->y, mdat)
&& (!revive_corpses
|| !(otmp = sobj_at(CORPSE, cc.x, cc.y))
|| !revive(otmp, FALSE)))
(void) makemon(mdat, cc.x, cc.y, mm_flags);
}
level.flags.graveyard = TRUE; /* reduced chance for undead corpse */
}

STATIC_OVL struct permonst *
morguemon()
{
register int i = rn2(100), hd = rn2(level_difficulty());

if (hd > 10 && i < 10) {
if (Inhell || In_endgame(&u.uz)) {
return mkclass(S_DEMON, 0);
} else {
int ndemon_res = ndemon(A_NONE);
if (ndemon_res != NON_PM)
return &mons[ndemon_res];
/* else do what? As is, it will drop to ghost/wraith/zombie */
}
}

if (hd > 8 && i > 85)
return mkclass(S_VAMPIRE, 0);

return ((i < 20) ? &mons[PM_GHOST]
: (i < 40) ? &mons[PM_WRAITH]
: mkclass(S_ZOMBIE, 0));
}

struct permonst *
antholemon()
{
int mtyp, indx, trycnt = 0;

/* casts are for dealing with time_t */
indx = (int) ((long) ubirthday % 3L);
indx += level_difficulty();
/* Same monsters within a level, different ones between levels */
do {
switch ((indx + trycnt) % 3) {
case 0:
mtyp = PM_SOLDIER_ANT;
break;
case 1:
mtyp = PM_FIRE_ANT;
break;
default:
mtyp = PM_GIANT_ANT;
break;
}
/* try again if chosen type has been genocided or used up */
} while (++trycnt < 3 && (mvitals[mtyp].mvflags & G_GONE));

return ((mvitals[mtyp].mvflags & G_GONE) ? (struct permonst *) 0
: &mons[mtyp]);
}

STATIC_OVL void
mkswamp() /* Michiel Huisjes & Fred de Wilde */
{
register struct mkroom *sroom;
register int sx, sy, i, eelct = 0;

for (i = 0; i < 5; i++) { /* turn up to 5 rooms swampy */
sroom = &rooms[rn2(nroom)];
if (sroom->hx < 0 || sroom->rtype != OROOM || has_upstairs(sroom)
|| has_dnstairs(sroom))
continue;

/* satisfied; make a swamp */
sroom->rtype = SWAMP;
for (sx = sroom->lx; sx <= sroom->hx; sx++)
for (sy = sroom->ly; sy <= sroom->hy; sy++)
if (!OBJ_AT(sx, sy) && !MON_AT(sx, sy) && !t_at(sx, sy)
&& !nexttodoor(sx, sy)) {
if ((sx + sy) % 2) {
levl[sx][sy].typ = POOL;
if (!eelct || !rn2(4)) {
/* mkclass() won't do, as we might get kraken */
(void) makemon(rn2(5)
? &mons[PM_GIANT_EEL]
: rn2(2)
? &mons[PM_PIRANHA]
: &mons[PM_ELECTRIC_EEL],
sx, sy, NO_MM_FLAGS);
eelct++;
}
} else if (!rn2(4)) /* swamps tend to be moldy */
(void) makemon(mkclass(S_FUNGUS, 0), sx, sy,
NO_MM_FLAGS);
}
level.flags.has_swamp = 1;
}
}

STATIC_OVL coord *
shrine_pos(roomno)
int roomno;
{
static coord buf;
int delta;
struct mkroom *troom = &rooms[roomno - ROOMOFFSET];

/* if width and height are odd, placement will be the exact center;
if either or both are even, center point is a hypothetical spot
between map locations and placement will be adjacent to that */
delta = troom->hx - troom->lx;
buf.x = troom->lx + delta / 2;
if ((delta % 2) && rn2(2))
buf.x++;
delta = troom->hy - troom->ly;
buf.y = troom->ly + delta / 2;
if ((delta % 2) && rn2(2))
buf.y++;
return &buf;
}

STATIC_OVL void
mktemple()
{
register struct mkroom *sroom;
coord *shrine_spot;
register struct rm *lev;

if (!(sroom = pick_room(TRUE)))
return;

/* set up Priest and shrine */
sroom->rtype = TEMPLE;
/*
* In temples, shrines are blessed altars
* located in the center of the room
*/
shrine_spot = shrine_pos((int) ((sroom - rooms) + ROOMOFFSET));
lev = &levl[shrine_spot->x][shrine_spot->y];
lev->typ = ALTAR;
lev->altarmask = induced_align(80);
priestini(&u.uz, sroom, shrine_spot->x, shrine_spot->y, FALSE);
lev->altarmask |= AM_SHRINE;
level.flags.has_temple = 1;
}

boolean
nexttodoor(sx, sy)
register int sx, sy;
{
register int dx, dy;
register struct rm *lev;

for (dx = -1; dx <= 1; dx++)
for (dy = -1; dy <= 1; dy++) {
if (!isok(sx + dx, sy + dy))
continue;
lev = &levl[sx + dx][sy + dy];
if (IS_DOOR(lev->typ) || lev->typ == SDOOR)
return TRUE;
}
return FALSE;
}

boolean
has_dnstairs(sroom)
register struct mkroom *sroom;
{
if (sroom == dnstairs_room)
return TRUE;
if (sstairs.sx && !sstairs.up)
return (boolean) (sroom == sstairs_room);
return FALSE;
}

boolean
has_upstairs(sroom)
register struct mkroom *sroom;
{
if (sroom == upstairs_room)
return TRUE;
if (sstairs.sx && sstairs.up)
return (boolean) (sroom == sstairs_room);
return FALSE;
}

int
somex(croom)
register struct mkroom *croom;
{
return rn1(croom->hx - croom->lx + 1, croom->lx);
}

int
somey(croom)
register struct mkroom *croom;
{
return rn1(croom->hy - croom->ly + 1, croom->ly);
}

boolean
inside_room(croom, x, y)
struct mkroom *croom;
xchar x, y;
{
return (boolean) (x >= croom->lx - 1 && x <= croom->hx + 1
&& y >= croom->ly - 1 && y <= croom->hy + 1);
}

boolean
somexy(croom, c)
struct mkroom *croom;
coord *c;
{
int try_cnt = 0;
int i;

if (croom->irregular) {
i = (int) ((croom - rooms) + ROOMOFFSET);

while (try_cnt++ < 100) {
c->x = somex(croom);
c->y = somey(croom);
if (!levl[c->x][c->y].edge && (int) levl[c->x][c->y].roomno == i)
return TRUE;
}
/* try harder; exhaustively search until one is found */
for (c->x = croom->lx; c->x <= croom->hx; c->x++)
for (c->y = croom->ly; c->y <= croom->hy; c->y++)
if (!levl[c->x][c->y].edge
&& (int) levl[c->x][c->y].roomno == i)
return TRUE;
return FALSE;
}

if (!croom->nsubrooms) {
c->x = somex(croom);
c->y = somey(croom);
return TRUE;
}

/* Check that coords doesn't fall into a subroom or into a wall */

while (try_cnt++ < 100) {
c->x = somex(croom);
c->y = somey(croom);
if (IS_WALL(levl[c->x][c->y].typ))
continue;
for (i = 0; i < croom->nsubrooms; i++)
if (inside_room(croom->sbrooms[i], c->x, c->y))
goto you_lose;
break;
you_lose:
;
}
if (try_cnt >= 100)
return FALSE;
return TRUE;
}

/*
* Search for a special room given its type (zoo, court, etc...)
*	Special values :
*		- ANY_SHOP
*		- ANY_TYPE
*/
struct mkroom *
search_special(type)
schar type;
{
register struct mkroom *croom;

for (croom = &rooms[0]; croom->hx >= 0; croom++)
if ((type == ANY_TYPE && croom->rtype != OROOM)
|| (type == ANY_SHOP && croom->rtype >= SHOPBASE)
|| croom->rtype == type)
return croom;
for (croom = &subrooms[0]; croom->hx >= 0; croom++)
if ((type == ANY_TYPE && croom->rtype != OROOM)
|| (type == ANY_SHOP && croom->rtype >= SHOPBASE)
|| croom->rtype == type)
return croom;
return (struct mkroom *) 0;
}

struct permonst *
courtmon()
{
int i = rn2(60) + rn2(3 * level_difficulty());

if (i > 100)
return mkclass(S_DRAGON, 0);
else if (i > 95)
return mkclass(S_GIANT, 0);
else if (i > 85)
return mkclass(S_TROLL, 0);
else if (i > 75)
return mkclass(S_CENTAUR, 0);
else if (i > 60)
return mkclass(S_ORC, 0);
else if (i > 45)
return &mons[PM_BUGBEAR];
else if (i > 30)
return &mons[PM_HOBGOBLIN];
else if (i > 15)
return mkclass(S_GNOME, 0);
else
return mkclass(S_KOBOLD, 0);
}

#define NSTYPES (PM_CAPTAIN - PM_SOLDIER + 1)

static struct {
unsigned pm;
unsigned prob;
} squadprob[NSTYPES] = { { PM_SOLDIER, 80 },
{ PM_SERGEANT, 15 },
{ PM_LIEUTENANT, 4 },
{ PM_CAPTAIN, 1 } };

/* return soldier types. */
STATIC_OVL struct permonst *
squadmon()
{
int sel_prob, i, cpro, mndx;

sel_prob = rnd(80 + level_difficulty());

cpro = 0;
for (i = 0; i < NSTYPES; i++) {
cpro += squadprob[i].prob;
if (cpro > sel_prob) {
mndx = squadprob[i].pm;
goto gotone;
}
}
mndx = squadprob[rn2(NSTYPES)].pm;
gotone:
if (!(mvitals[mndx].mvflags & G_GONE))
return &mons[mndx];
else
return (struct permonst *) 0;
}

/*
* save_room : A recursive function that saves a room and its subrooms
* (if any).
*/
STATIC_OVL void
save_room(fd, r)
int fd;
struct mkroom *r;
{
short i;

/*
* Well, I really should write only useful information instead
* of writing the whole structure. That is I should not write
* the subrooms pointers, but who cares ?
*/
bwrite(fd, (genericptr_t) r, sizeof (struct mkroom));
for (i = 0; i < r->nsubrooms; i++)
save_room(fd, r->sbrooms[i]);
}

/*
* save_rooms : Save all the rooms on disk!
*/
void
save_rooms(fd)
int fd;
{
short i;

/* First, write the number of rooms */
bwrite(fd, (genericptr_t) &nroom, sizeof(nroom));
for (i = 0; i < nroom; i++)
save_room(fd, &rooms[i]);
}

STATIC_OVL void
rest_room(fd, r)
int fd;
struct mkroom *r;
{
short i;

mread(fd, (genericptr_t) r, sizeof(struct mkroom));
for (i = 0; i < r->nsubrooms; i++) {
r->sbrooms[i] = &subrooms[nsubroom];
rest_room(fd, &subrooms[nsubroom]);
subrooms[nsubroom++].resident = (struct monst *) 0;
}
}

/*
* rest_rooms : That's for restoring rooms. Read the rooms structure from
* the disk.
*/
void
rest_rooms(fd)
int fd;
{
short i;

mread(fd, (genericptr_t) &nroom, sizeof(nroom));
nsubroom = 0;
for (i = 0; i < nroom; i++) {
rest_room(fd, &rooms[i]);
rooms[i].resident = (struct monst *) 0;
}
rooms[nroom].hx = -1; /* restore ending flags */
subrooms[nsubroom].hx = -1;
}

/* convert a display symbol for terrain into topology type;
used for remembered terrain when mimics pose as furniture */
int
cmap_to_type(sym)
int sym;
{
int typ = STONE; /* catchall */

switch (sym) {
case S_stone:
typ = STONE;
break;
case S_vwall:
typ = VWALL;
break;
case S_hwall:
typ = HWALL;
break;
case S_tlcorn:
typ = TLCORNER;
break;
case S_trcorn:
typ = TRCORNER;
break;
case S_blcorn:
typ = BLCORNER;
break;
case S_brcorn:
typ = BRCORNER;
break;
case S_crwall:
typ = CROSSWALL;
break;
case S_tuwall:
typ = TUWALL;
break;
case S_tdwall:
typ = TDWALL;
break;
case S_tlwall:
typ = TLWALL;
break;
case S_trwall:
typ = TRWALL;
break;
case S_ndoor:  /* no door (empty doorway) */
case S_vodoor: /* open door in vertical wall */
case S_hodoor: /* open door in horizontal wall */
case S_vcdoor: /* closed door in vertical wall */
case S_hcdoor:
typ = DOOR;
break;
case S_bars:
typ = IRONBARS;
break;
case S_tree:
typ = TREE;
break;
case S_room:
typ = ROOM;
break;
case S_corr:
case S_litcorr:
typ = CORR;
break;
case S_upstair:
case S_dnstair:
typ = STAIRS;
break;
case S_upladder:
case S_dnladder:
typ = LADDER;
break;
case S_altar:
typ = ALTAR;
break;
case S_grave:
typ = GRAVE;
break;
case S_throne:
typ = THRONE;
break;
case S_sink:
typ = SINK;
break;
case S_fountain:
typ = FOUNTAIN;
break;
case S_pool:
typ = POOL;
break;
case S_ice:
typ = ICE;
break;
case S_lava:
typ = LAVAPOOL;
break;
case S_vodbridge: /* open drawbridge spanning north/south */
case S_hodbridge:
typ = DRAWBRIDGE_DOWN;
break;        /* east/west */
case S_vcdbridge: /* closed drawbridge in vertical wall */
case S_hcdbridge:
typ = DBWALL;
break;
case S_air:
typ = AIR;
break;
case S_cloud:
typ = CLOUD;
break;
case S_water:
typ = WATER;
break;
default:
break; /* not a cmap symbol? */
}
return typ;
}

/*mkroom.c*/