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MKLEV.C
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1993-03-16
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1,271 lines
/* SCCS Id: @(#)mklev.c 3.0 89/12/06
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/* NetHack may be freely redistributed. See license for details. */
#include "hack.h"
/* for UNIX, Rand #def'd to (long)lrand48() or (long)random() */
/* croom->lx etc are schar (width <= int), so % arith ensures that */
/* conversion of result to int is reasonable */
#ifdef SINKS
static void FDECL(mksink,(struct mkroom *));
#endif
#ifdef ALTARS
static void FDECL(mkaltar,(struct mkroom *));
#endif
static boolean FDECL(occupied,(XCHAR_P,XCHAR_P));
static void NDECL(makevtele);
static void NDECL(init_levels);
static void NDECL(makelevel);
static boolean FDECL(bydoor,(XCHAR_P,XCHAR_P));
static boolean FDECL(place_niche,(struct mkroom *,int*,int*,int*));
static void FDECL(makeniche,(int));
static void NDECL(make_niches);
static void NDECL(makebigroom);
static void FDECL(addrsx,(int,int,int,int,BOOLEAN_P));
static void FDECL(addrs,(int,int,int,int));
STATIC_PTR int FDECL(comp,(genericptr_t,genericptr_t));
static void FDECL(dosdoor,(int,int,struct mkroom *,int));
static void NDECL(makecorridors);
static void FDECL(join,(int,int));
static int NDECL(makerooms);
static int FDECL(maker,(SCHAR_P,SCHAR_P,SCHAR_P,SCHAR_P,BOOLEAN_P));
static void FDECL(finddpos,(coord *,XCHAR_P,XCHAR_P,XCHAR_P,XCHAR_P));
int
somex(croom)
register struct mkroom *croom;
{
return rn2(croom->hx-croom->lx+1) + croom->lx;
}
int
somey(croom)
register struct mkroom *croom;
{
return rn2(croom->hy-croom->ly+1) + croom->ly;
}
#define XLIM 4 /* define minimum required space around a room */
#define YLIM 3
boolean secret; /* TRUE while making a vault: increase [XY]LIM */
struct rm zerorm;
schar nxcor;
boolean goldseen;
/* Definitions used by makerooms() and addrs() */
#define MAXRS 50 /* max lth of temp rectangle table - arbitrary */
struct rectangle {
xchar rlx,rly,rhx,rhy;
} rs[MAXRS+1];
int rscnt,rsmax; /* 0..rscnt-1: currently under consideration */
/* rscnt..rsmax: discarded */
static void
addrsx(lx,ly,hx,hy,discarded)
register int lx,ly,hx,hy;
boolean discarded; /* piece of a discarded area */
{
register struct rectangle *rsp;
/* check inclusions */
for(rsp = rs; rsp < &rs[rsmax]; rsp++) {
if(lx >= rsp->rlx && hx <= rsp->rhx &&
ly >= rsp->rly && hy <= rsp->rhy)
return;
}
/* make a new entry */
if(rsmax >= MAXRS) {
#ifdef WIZARD
if(wizard) pline("MAXRS may be too small.");
#endif
return;
}
rsmax++;
if(!discarded) {
*rsp = rs[rscnt];
rsp = &rs[rscnt];
rscnt++;
}
rsp->rlx = lx;
rsp->rly = ly;
rsp->rhx = hx;
rsp->rhy = hy;
}
static void
addrs(lowx,lowy,hix,hiy)
register int lowx,lowy,hix,hiy;
{
register struct rectangle *rsp;
register int lx,ly,hx,hy,xlim,ylim;
boolean discarded;
xlim = XLIM + secret;
ylim = YLIM + secret;
/* walk down since rscnt and rsmax change */
for(rsp = &rs[rsmax-1]; rsp >= rs; rsp--) {
if((lx = rsp->rlx) > hix || (ly = rsp->rly) > hiy ||
(hx = rsp->rhx) < lowx || (hy = rsp->rhy) < lowy)
continue;
if((discarded = (rsp >= &rs[rscnt]))) {
*rsp = rs[--rsmax];
} else {
rsmax--;
rscnt--;
*rsp = rs[rscnt];
if(rscnt != rsmax)
rs[rscnt] = rs[rsmax];
}
if(lowy - ly > 2*ylim + 4)
addrsx(lx,ly,hx,lowy-2,discarded);
if(lowx - lx > 2*xlim + 4)
addrsx(lx,ly,lowx-2,hy,discarded);
if(hy - hiy > 2*ylim + 4)
addrsx(lx,hiy+2,hx,hy,discarded);
if(hx - hix > 2*xlim + 4)
addrsx(hix+2,ly,hx,hy,discarded);
}
}
/* Args must be genericptr_t so that qsort will always be happy. */
STATIC_PTR int
comp(vx,vy)
genericptr_t vx;
genericptr_t vy;
{
#ifdef LINT
/* lint complains about possible pointer alignment problems, but we know
that vx and vy are always properly aligned. Hence, the following
bogus definition:
*/
return (vx == vy) ? 0 : -1;
#else
register struct mkroom *x, *y;
x = (struct mkroom *)vx;
y = (struct mkroom *)vy;
if(x->lx < y->lx) return(-1);
return(x->lx > y->lx);
#endif /* LINT */
}
static void
finddpos(cc, xl,yl,xh,yh)
coord *cc;
xchar xl,yl,xh,yh;
{
register xchar x, y;
x = (xl == xh) ? xl : (xl + rn2(xh-xl+1));
y = (yl == yh) ? yl : (yl + rn2(yh-yl+1));
if(okdoor(x, y))
goto gotit;
for(x = xl; x <= xh; x++) for(y = yl; y <= yh; y++)
if(okdoor(x, y))
goto gotit;
for(x = xl; x <= xh; x++) for(y = yl; y <= yh; y++)
if(IS_DOOR(levl[x][y].typ) || levl[x][y].typ == SDOOR)
goto gotit;
/* cannot find something reasonable -- strange */
x = xl;
y = yh;
gotit:
cc->x = x;
cc->y = y;
return;
}
/* Only called from makerooms() and makebigroom() */
static int
maker(lowx,ddx,lowy,ddy,lit)
schar lowx,ddx,lowy,ddy;
boolean lit;
{
register struct mkroom *croom;
register int x, y, hix = lowx+ddx, hiy = lowy+ddy;
register int xlim = XLIM + secret, ylim = YLIM + secret;
if(nroom >= MAXNROFROOMS) return(0);
if(lowx < XLIM) lowx = XLIM;
if(lowy < YLIM) lowy = YLIM;
if(hix > COLNO-XLIM-1) hix = COLNO-XLIM-1;
if(hiy > ROWNO-YLIM-1) hiy = ROWNO-YLIM-1;
chk:
if(hix <= lowx || hiy <= lowy) return(0);
/* check area around room (and make room smaller if necessary) */
for(x = lowx - xlim; x <= hix + xlim; x++) {
for(y = lowy - ylim; y <= hiy + ylim; y++) {
if(isok(x,y) && levl[x][y].typ) {
#ifdef WIZARD
if(wizard && !secret)
pline("Strange area [%d,%d] in maker().",x,y);
#endif
if(!rn2(3)) return(0);
if(x < lowx)
lowx = x+xlim+1;
else
hix = x-xlim-1;
if(y < lowy)
lowy = y+ylim+1;
else
hiy = y-ylim-1;
goto chk;
}
}
}
croom = &rooms[nroom];
/* on low levels the room is lit (usually) */
/* secret vaults are always lit */
/* some other rooms may require lighting */
if((rnd(dlevel) < 10 && rn2(77)) || secret || lit) {
for(x = lowx-1; x <= hix+1; x++)
for(y = lowy-1; y <= hiy+1; y++)
levl[x][y].lit = 1;
croom->rlit = 1;
} else
croom->rlit = 0;
croom->lx = lowx;
croom->hx = hix;
croom->ly = lowy;
croom->hy = hiy;
croom->rtype = OROOM;
croom->doorct = 0;
/* if we're not making a vault, doorindex will still be 0
* if we are, we'll have problems adding niches to the previous room
* unless fdoor is at least doorindex
*/
croom->fdoor = doorindex;
for(x = lowx-1; x <= hix+1; x++)
for(y = lowy-1; y <= hiy+1; y += (hiy-lowy+2)) {
levl[x][y].typ = HWALL;
levl[x][y].scrsym = HWALL_SYM;
}
for(x = lowx-1; x <= hix+1; x += (hix-lowx+2))
for(y = lowy; y <= hiy; y++) {
levl[x][y].typ = VWALL;
levl[x][y].scrsym = VWALL_SYM;
}
for(x = lowx; x <= hix; x++)
for(y = lowy; y <= hiy; y++) {
levl[x][y].typ = ROOM;
levl[x][y].scrsym = ROOM_SYM;
}
levl[lowx-1][lowy-1].typ = TLCORNER;
levl[hix+1][lowy-1].typ = TRCORNER;
levl[lowx-1][hiy+1].typ = BLCORNER;
levl[hix+1][hiy+1].typ = BRCORNER;
levl[lowx-1][lowy-1].scrsym = TLCORN_SYM;
levl[hix+1][lowy-1].scrsym = TRCORN_SYM;
levl[lowx-1][hiy+1].scrsym = BLCORN_SYM;
levl[hix+1][hiy+1].scrsym = BRCORN_SYM;
smeq[nroom] = nroom;
croom++;
croom->hx = -1;
nroom++;
return(1);
}
static int
makerooms() {
register struct rectangle *rsp;
register int lx, ly, hx, hy, lowx, lowy, hix, hiy, dx, dy;
int tryct = 0, xlim, ylim;
/* init */
xlim = XLIM + secret;
ylim = YLIM + secret;
if(nroom == 0) {
rsp = rs;
rsp->rlx = rsp->rly = 0;
rsp->rhx = COLNO-1;
rsp->rhy = ROWNO-1;
rsmax = 1;
}
rscnt = rsmax;
/* make rooms until satisfied */
while(rscnt > 0 && nroom < MAXNROFROOMS-1) {
if(!secret && nroom > (MAXNROFROOMS/4) &&
!rn2((MAXNROFROOMS-nroom)*(MAXNROFROOMS-nroom)))
return 0;
/* pick a rectangle */
rsp = &rs[rn2(rscnt)];
hx = rsp->rhx;
hy = rsp->rhy;
lx = rsp->rlx;
ly = rsp->rly;
/* find size of room */
if(secret)
dx = dy = 1;
else {
dx = 2 + rn2((hx-lx-8 > 20) ? 12 : 8);
dy = 2 + rn2(4);
if(dx*dy > 50)
dy = 50/dx;
}
/* look whether our room will fit */
if(hx-lx < dx + (dx>>1) + 2*xlim ||
hy-ly < dy + dy/3 + 2*ylim) {
/* no, too small */
/* maybe we throw this area out */
if(secret || !rn2(MAXNROFROOMS+1-nroom-tryct)) {
rscnt--;
rs[rsmax] = *rsp;
*rsp = rs[rscnt];
rs[rscnt] = rs[rsmax];
tryct = 0;
} else
tryct++;
continue;
}
lowx = lx + xlim + rn2(hx - lx - dx - 2*xlim + 1);
lowy = ly + ylim + rn2(hy - ly - dy - 2*ylim + 1);
hix = lowx + dx;
hiy = lowy + dy;
if(maker(lowx, dx, lowy, dy, FALSE)) {
if(secret) return(1);
addrs(lowx-1, lowy-1, hix+1, hiy+1);
tryct = 0;
} else
if(tryct++ > 100)
break;
}
return(0); /* failed to make vault - very strange */
}
static void
join(a,b)
register int a, b;
{
coord cc,tt;
register int tx, ty, xx, yy;
register struct rm *crm;
register struct mkroom *croom, *troom;
register int dx, dy, dix, diy, cct;
croom = &rooms[a];
troom = &rooms[b];
/* find positions cc and tt for doors in croom and troom
and direction for a corridor between them */
if(troom->hx < 0 || croom->hx < 0 || doorindex >= DOORMAX) return;
if(troom->lx > croom->hx) {
dx = 1;
dy = 0;
xx = croom->hx+1;
tx = troom->lx-1;
finddpos(&cc, xx, croom->ly, xx, croom->hy);
finddpos(&tt, tx, troom->ly, tx, troom->hy);
} else if(troom->hy < croom->ly) {
dy = -1;
dx = 0;
yy = croom->ly-1;
finddpos(&cc, croom->lx, yy, croom->hx, yy);
ty = troom->hy+1;
finddpos(&tt, troom->lx, ty, troom->hx, ty);
} else if(troom->hx < croom->lx) {
dx = -1;
dy = 0;
xx = croom->lx-1;
tx = troom->hx+1;
finddpos(&cc, xx, croom->ly, xx, croom->hy);
finddpos(&tt, tx, troom->ly, tx, troom->hy);
} else {
dy = 1;
dx = 0;
yy = croom->hy+1;
ty = troom->ly-1;
finddpos(&cc, croom->lx, yy, croom->hx, yy);
finddpos(&tt, troom->lx, ty, troom->hx, ty);
}
xx = cc.x;
yy = cc.y;
tx = tt.x - dx;
ty = tt.y - dy;
if(nxcor && levl[xx+dx][yy+dy].typ)
return;
dodoor(xx,yy,croom);
cct = 0;
while(xx != tx || yy != ty) {
xx += dx;
yy += dy;
/* loop: dig corridor at [xx,yy] and find new [xx,yy] */
if(cct++ > 500 || (nxcor && !rn2(35)))
return;
if(xx == COLNO-1 || xx == 0 || yy == 0 || yy == ROWNO-1)
return; /* impossible */
crm = &levl[xx][yy];
if(!(crm->typ)) {
if(rn2(100)) {
crm->typ = CORR;
crm->scrsym = CORR_SYM;
if(nxcor && !rn2(50))
(void) mksobj_at(BOULDER, xx, yy);
} else {
crm->typ = SCORR;
crm->scrsym = ' '; /* _not_ STONE_SYM */
}
} else
if(crm->typ != CORR && crm->typ != SCORR) {
/* strange ... */
return;
}
/* find next corridor position */
dix = abs(xx-tx);
diy = abs(yy-ty);
/* do we have to change direction ? */
if(dy && dix > diy) {
register int ddx = (xx > tx) ? -1 : 1;
crm = &levl[xx+ddx][yy];
if(!crm->typ || crm->typ == CORR || crm->typ == SCORR) {
dx = ddx;
dy = 0;
continue;
}
} else if(dx && diy > dix) {
register int ddy = (yy > ty) ? -1 : 1;
crm = &levl[xx][yy+ddy];
if(!crm->typ || crm->typ == CORR || crm->typ == SCORR) {
dy = ddy;
dx = 0;
continue;
}
}
/* continue straight on? */
crm = &levl[xx+dx][yy+dy];
if(!crm->typ || crm->typ == CORR || crm->typ == SCORR)
continue;
/* no, what must we do now?? */
if(dx) {
dx = 0;
dy = (ty < yy) ? -1 : 1;
crm = &levl[xx+dx][yy+dy];
if(!crm->typ || crm->typ == CORR || crm->typ == SCORR)
continue;
dy = -dy;
continue;
} else {
dy = 0;
dx = (tx < xx) ? -1 : 1;
crm = &levl[xx+dx][yy+dy];
if(!crm->typ || crm->typ == CORR || crm->typ == SCORR)
continue;
dx = -dx;
continue;
}
}
/* we succeeded in digging the corridor */
dodoor(tt.x, tt.y, troom);
if(smeq[a] < smeq[b])
smeq[b] = smeq[a];
else
smeq[a] = smeq[b];
}
static void
makecorridors() {
register int a, b;
nxcor = 0;
for(a = 0; a < nroom-1; a++)
join(a, a+1);
for(a = 0; a < nroom-2; a++)
if(smeq[a] != smeq[a+2])
join(a, a+2);
for(a = 0; a < nroom; a++)
for(b = 0; b < nroom; b++)
if(smeq[a] != smeq[b])
join(a, b);
if(nroom > 2)
for(nxcor = rn2(nroom) + 4; nxcor; nxcor--) {
a = rn2(nroom);
b = rn2(nroom-2);
if(b >= a) b += 2;
join(a, b);
}
}
static void
dosdoor(x,y,aroom,type)
register int x, y;
register struct mkroom *aroom;
register int type;
{
register struct mkroom *broom;
register int tmp;
boolean shdoor = in_shop(x, y);
if(!IS_WALL(levl[x][y].typ)) /* avoid SDOORs with DOOR_SYM as scrsym */
type = DOOR;
levl[x][y].typ = type;
if(type == DOOR) {
if(!rn2(3)) { /* is it a locked door, closed, or a doorway? */
if(!rn2(5))
levl[x][y].doormask = D_ISOPEN;
else if(!rn2(6))
levl[x][y].doormask = D_LOCKED;
else
levl[x][y].doormask = D_CLOSED;
if (levl[x][y].doormask != D_ISOPEN && !shdoor && !rn2(25))
levl[x][y].doormask |= D_TRAPPED;
} else
#ifdef STUPID
if (shdoor)
levl[x][y].doormask = D_ISOPEN;
else
levl[x][y].doormask = D_NODOOR;
#else
levl[x][y].doormask = (shdoor ? D_ISOPEN : D_NODOOR);
#endif
levl[x][y].scrsym = news0(x,y);
} else { /* SDOOR */
if(shdoor || !rn2(5)) levl[x][y].doormask = D_LOCKED;
else levl[x][y].doormask = D_CLOSED;
if(!shdoor && !rn2(20)) levl[x][y].doormask |= D_TRAPPED;
}
aroom->doorct++;
broom = aroom+1;
if(broom->hx < 0) tmp = doorindex; else
for(tmp = doorindex; tmp > broom->fdoor; tmp--)
doors[tmp] = doors[tmp-1];
doorindex++;
doors[tmp].x = x;
doors[tmp].y = y;
for( ; broom->hx >= 0; broom++) broom->fdoor++;
}
static boolean
place_niche(aroom,dy,xx,yy)
register struct mkroom *aroom;
int *dy, *xx, *yy;
{
coord dd;
if(rn2(2)) {
*dy = 1;
finddpos(&dd, aroom->lx, aroom->hy+1, aroom->hx, aroom->hy+1);
} else {
*dy = -1;
finddpos(&dd, aroom->lx, aroom->ly-1, aroom->hx, aroom->ly-1);
}
*xx = dd.x;
*yy = dd.y;
return(levl[*xx][(*yy)+(*dy)].typ == STONE);
}
#ifdef ORACLE
boolean
place_oracle(aroom,dy,xx,yy)
register struct mkroom *aroom;
int *dy, *xx, *yy;
{
if(!place_niche(aroom,dy,xx,yy)) return FALSE;
dosdoor(*xx,*yy,aroom,DOOR);
levl[*xx][*yy].doormask = D_NODOOR;
return TRUE;
}
#endif
/* there should be one of these per trap */
const char *engravings[] = { "", "", "", "", "", "",
"?la? ?as ?er?", "ad ae?ar um",
"", "", "", "" ,""
, "", "ad ae?ar um"
#ifdef SPELLS
,""
#endif
,""
#ifdef POLYSELF
,""
#endif
,""
};
static void
makeniche(trap_type)
int trap_type;
{
register struct mkroom *aroom;
register struct rm *rm;
register int vct = 8;
int dy, xx, yy;
register struct trap *ttmp;
if(doorindex < DOORMAX)
while(vct--) {
aroom = &rooms[rn2(nroom)];
if(aroom->rtype != OROOM) continue; /* not an ordinary room */
if(aroom->doorct == 1 && rn2(5)) continue;
if(!place_niche(aroom,&dy,&xx,&yy)) continue;
rm = &levl[xx][yy+dy];
if(trap_type || !rn2(4)) {
rm->typ = SCORR;
rm->scrsym = ' '; /* _not_ STONE_SYM */
if(trap_type) {
ttmp = maketrap(xx, yy+dy, trap_type);
ttmp->once = 1;
if (strlen(engravings[trap_type]) > 0)
make_engr_at(xx, yy-dy, engravings[trap_type]);
}
dosdoor(xx, yy, aroom, SDOOR);
} else {
rm->typ = CORR;
rm->scrsym = CORR_SYM;
if(rn2(7))
dosdoor(xx, yy, aroom, rn2(5) ? SDOOR : DOOR);
else {
(void) mksobj_at(SCR_TELEPORTATION, xx, yy+dy);
if(!rn2(3)) (void) mkobj_at(0, xx, yy+dy, TRUE);
}
}
return;
}
}
static void
make_niches()
{
register int ct = rnd((nroom>>1) + 1);
boolean ltptr = TRUE,
vamp = TRUE;
while(ct--) {
if(dlevel > 15 && !rn2(6) && ltptr) {
ltptr = FALSE;
makeniche(LEVEL_TELEP);
} else if (dlevel > 5 && dlevel < 25
&& !rn2(6) && vamp) {
vamp = FALSE;
makeniche(TRAPDOOR);
} else makeniche(NO_TRAP);
}
}
static void
makebigroom()
{
register int x,y,n;
register struct mkroom *croom;
register struct monst *tmonst;
/* make biggest possible room; make sure it's lit */
(void) maker(XLIM, COLNO - 2*XLIM - 1, YLIM, ROWNO - 2*YLIM - 1, TRUE);
croom = &rooms[0];
/* add extra monsters and goodies */
n = 10 + rn2(15);
while (n--) {
x = somex(croom);
y = somey(croom);
tmonst = makemon((struct permonst *) 0,x,y);
if (tmonst && tmonst->data==&mons[PM_GIANT_SPIDER])
(void) maketrap(x,y,WEB);
if (tmonst && rn2(2))
tmonst->msleep = 1;
}
n = 6 + rn2(10);
while (n--)
(void) mkobj_at(0,somex(croom),somey(croom),TRUE);
}
static void
makevtele()
{
makeniche(TELEP_TRAP);
}
#define rntwixt(L1,L2) rn1((L2)-(L1),L1)
static void
init_levels()
{
#if defined(STRONGHOLD) && defined(MUSIC)
register int x;
#endif
#ifdef LINT /* handle constant in conditional context */
medusa_level = 0;
#else
medusa_level = rn1(3, HELLLEVEL - 5);
#endif /* LINT */
#ifdef STRONGHOLD
stronghold_level = rn1(5, medusa_level)+1;
# ifdef MUSIC
for (x=0; x<5; x++)
tune[x] = 'A' + rn2(7);
tune[5] = 0;
# endif
/* The tower will be on 3 levels */
tower_level = rntwixt(stronghold_level, MAXLEVEL-2)+1;
/* We don't want the wizard in Vlad's tower */
do
wiz_level = rntwixt(stronghold_level, MAXLEVEL)+1;
while (wiz_level >= tower_level && wiz_level <= tower_level + 2);
#else
wiz_level = rntwixt(medusa_level, MAXLEVEL)+1;
#endif /* STRONGHOLD /**/
#ifdef WIZARD
if (!rn2(15) || wizard)
#else
if (!rn2(15))
#endif
/* between the middle of the dungeon and the medusa level */
bigroom_level = rntwixt(HELLLEVEL>>1, medusa_level);
#ifdef REINCARNATION
# ifdef WIZARD
if (!rn2(3) || wizard)
# else
if (!rn2(3))
# endif
rogue_level = rn1(5,10);
#endif
#ifdef ORACLE
oracle_level = rn1(4,5);
#endif
}
#undef rntwixt
static void
makelevel() {
register struct mkroom *croom, *troom;
register unsigned int tryct;
register int x,y;
struct monst *tmonst; /* always put a web with a spider */
nroom = 0;
doorindex = 0;
rooms[0].hx = -1; /* in case we are in a maze */
for(x=0; x<COLNO; x++) for(y=0; y<ROWNO; y++) {
levl[x][y] = zerorm;
level.objects[x][y] = (struct obj *)0;
level.monsters[x][y] = (struct monst *)0;
}
oinit(); /* assign level dependent obj probabilities */
fountsound = 0;
sinksound = 0;
if (wiz_level == 0)
init_levels();
if (
#ifndef STRONGHOLD
Inhell
#else
dlevel >= stronghold_level || dlevel < 0
#endif
|| (dlevel > medusa_level && rn2(5))
) {
makemaz();
return;
}
/* construct the rooms */
nroom = 0;
secret = FALSE;
#ifdef REINCARNATION
if (dlevel == rogue_level) {
makeroguerooms();
makerogueghost();
} else
#endif
if (dlevel == bigroom_level)
makebigroom();
else
(void) makerooms();
/* construct stairs (up and down in different rooms if possible) */
croom = &rooms[rn2(nroom)];
xdnstair = somex(croom);
ydnstair = somey(croom);
levl[xdnstair][ydnstair].scrsym = DN_SYM;
levl[xdnstair][ydnstair].typ = STAIRS;
#ifdef MEDUSA
if (dlevel == medusa_level) {
struct monst *mtmp;
struct obj *otmp;
if (mtmp = makemon(&mons[PM_MEDUSA], xdnstair, ydnstair))
mtmp->msleep = 1;
for (tryct = rn1(1,3); tryct; tryct--) {
x = somex(croom); y = somey(croom);
if (goodpos(x,y,(struct permonst *)0)) {
otmp = mk_tt_object(STATUE, x, y);
while(otmp &&
resists_ston(&mons[otmp->corpsenm])) {
otmp->corpsenm = rndmonnum();
otmp->owt = weight(otmp);
}
}
}
}
#endif
if(nroom > 1) {
troom = croom;
croom = &rooms[rn2(nroom-1)];
if(croom >= troom) croom++;
}
do {
xupstair = somex(croom);
yupstair = somey(croom);
} while(occupied(xupstair, yupstair));
levl[xupstair][yupstair].scrsym = UP_SYM;
levl[xupstair][yupstair].typ = STAIRS;
#ifdef STRONGHOLD
xdnladder = ydnladder = xupladder = yupladder = 0;
#endif
is_maze_lev = FALSE;
#if defined(SYSV) || defined(DGUX)
qsort((genericptr_t) rooms, (unsigned)nroom, sizeof(struct mkroom), comp);
#else
qsort((genericptr_t) rooms, nroom, sizeof(struct mkroom), comp);
#endif
#ifdef REINCARNATION
if (dlevel == rogue_level) {
You("feel as though you were here in a previous lifetime.");
goto skip0;
}
#endif
makecorridors();
make_niches();
/* make a secret treasure vault, not connected to the rest */
if(nroom <= (MAXNROFROOMS/2)) if(rn2(3)) {
troom = &rooms[nroom];
secret = TRUE;
if(makerooms()) {
troom->rtype = VAULT; /* treasure vault */
for(x = troom->lx; x <= troom->hx; x++)
for(y = troom->ly; y <= troom->hy; y++)
mkgold((long)(rnd(dlevel*100) + 50), x, y);
if(!rn2(3))
makevtele();
}
}
#ifdef WIZARD
if(wizard && getenv("SHOPTYPE")) mkroom(SHOPBASE); else
#endif
#ifdef ORACLE
if(dlevel == oracle_level) mkroom(DELPHI);
/* It is possible that we find no good place to set up Delphi.
* It is also possible to get more than one Delphi using bones levels.
* The first is not a problem; the second is a minor nuisance.
*/
else
#endif
if(dlevel > 1 && dlevel < medusa_level && rn2(dlevel) < 3) mkroom(SHOPBASE);
else
#ifdef THRONES
if(dlevel > 4 && !rn2(6)) mkroom(COURT);
else
#endif
if(dlevel > 6 && !rn2(7)) mkroom(ZOO);
else
#ifdef ALTARS
if(dlevel > 8 && !rn2(5)) mkroom(TEMPLE);
else
#endif
if(dlevel > 9 && !rn2(5) && !(mons[PM_KILLER_BEE].geno & G_GENOD))
mkroom(BEEHIVE);
else
if(dlevel > 11 && !rn2(6)) mkroom(MORGUE);
else
#ifdef ARMY
if(dlevel > 14 && !rn2(4) && !(mons[PM_SOLDIER].geno & G_GENOD))
mkroom(BARRACKS);
else
#endif
if(dlevel > 18 && !rn2(6)) mkroom(SWAMP);
#ifdef REINCARNATION
skip0:
#endif
/* for each room: put things inside */
for(croom = rooms; croom->hx > 0; croom++) {
register boolean boxinlev = FALSE;
if(croom->rtype != OROOM) continue;
/* put a sleeping monster inside */
/* Note: monster may be on the stairs. This cannot be
avoided: maybe the player fell through a trap door
while a monster was on the stairs. Conclusion:
we have to check for monsters on the stairs anyway. */
if(u.uhave_amulet || !rn2(3)) {
x = somex(croom); y = somey(croom);
tmonst = makemon((struct permonst *) 0, x,y);
if (tmonst && tmonst->data == &mons[PM_GIANT_SPIDER])
(void) maketrap (x,y,WEB);
}
/* put traps and mimics inside */
goldseen = FALSE;
while(!rn2(8-(dlevel/6))) mktrap(0,0,croom);
if(!goldseen && !rn2(3)) mkgold(0L, somex(croom), somey(croom));
#ifdef REINCARNATION
if (dlevel == rogue_level) goto skip_nonrogue;
#endif
#ifdef FOUNTAINS
if(!rn2(10)) mkfount(0,croom);
#endif
#ifdef SINKS
if(!rn2(60)) mksink(croom);
#endif
#ifdef ALTARS
if(!rn2(60)) mkaltar(croom);
#endif
/* put statues inside */
#ifdef MEDUSA
if(!rn2(dlevel == medusa_level ? 1 : 20)) {
struct obj *otmp;
if (!rn2(dlevel == medusa_level ? 2 : 50))
otmp = mk_tt_object(STATUE,
somex(croom), somey(croom));
else {
otmp = mkcorpstat(STATUE, (struct permonst *)0,
somex(croom), somey(croom));
}
if (dlevel == medusa_level && otmp) {
/* Medusa statues don't contain books */
otmp->spe = 0;
while(resists_ston(&mons[otmp->corpsenm])) {
otmp->corpsenm = rndmonnum();
otmp->owt = weight(otmp);
}
}
}
#else
if(!rn2(20))
(void) mkcorpstat(STATUE, (struct permonst *)0,
somex(croom), somey(croom));
#endif
/* put box/chest inside */
if(!rn2(20) && !boxinlev) {
boxinlev = TRUE;
(void) mksobj_at((rn2(3)) ? LARGE_BOX : CHEST,
somex(croom), somey(croom));
}
#ifdef REINCARNATION
skip_nonrogue:
#endif
if(!rn2(3)) {
(void) mkobj_at(0, somex(croom), somey(croom), TRUE);
tryct = 0;
while(!rn2(5)) {
if(++tryct > 100){
Printf("tryct overflow4\n");
break;
}
(void) mkobj_at(0, somex(croom), somey(croom),
TRUE);
}
}
}
}
void
mklev()
{
if(getbones()) return;
in_mklev = TRUE;
makelevel();
bound_digging();
in_mklev = FALSE;
}
static boolean
bydoor(x, y)
register xchar x, y;
{
register boolean tmp1, tmp2;
/* break up large expression to help some compilers */
tmp1 = (IS_DOOR(levl[x+1][y].typ) || levl[x+1][y].typ == SDOOR ||
IS_DOOR(levl[x-1][y].typ) || levl[x-1][y].typ == SDOOR);
tmp2 = (IS_DOOR(levl[x][y+1].typ) || levl[x][y+1].typ == SDOOR ||
IS_DOOR(levl[x][y-1].typ) || levl[x][y-1].typ == SDOOR);
return(tmp1 || tmp2);
}
/* see whether it is allowable to create a door at [x,y] */
int
okdoor(x,y)
register xchar x, y;
{
register boolean near_door = bydoor(x, y);
return((levl[x][y].typ == HWALL || levl[x][y].typ == VWALL) &&
doorindex < DOORMAX && !near_door);
}
void
dodoor(x,y,aroom)
register int x, y;
register struct mkroom *aroom;
{
if(doorindex >= DOORMAX) {
impossible("DOORMAX exceeded?");
return;
}
if(!okdoor(x,y) && nxcor)
return;
dosdoor(x,y,aroom,rn2(8) ? DOOR : SDOOR);
}
static boolean
occupied(x, y)
register xchar x, y;
{
return(t_at(x, y) || levl[x][y].typ == STAIRS
#ifdef FOUNTAINS
|| IS_FOUNTAIN(levl[x][y].typ)
#endif
#ifdef THRONES
|| IS_THRONE(levl[x][y].typ)
#endif
#ifdef SINKS
|| IS_SINK(levl[x][y].typ)
#endif
#ifdef ALTARS
|| levl[x][y].typ == ALTAR
#endif
|| is_pool(x,y)
);
}
/* make a trap somewhere (in croom if mazeflag = 0) */
void
mktrap(num, mazeflag, croom)
register int num, mazeflag;
register struct mkroom *croom;
{
register struct trap *ttmp;
register int kind,nomonst,nomimic,nospider,
#ifdef POLYSELF
nopoly,
#endif
nospikes, nolevltp,
nolandmine,
tryct = 0;
xchar mx,my;
#ifdef __GNULINT__
kind = nomimic = 0;
#endif
if(!num || num >= TRAPNUM) {
nomonst = (dlevel < 4) ? 1 : 0;
nolevltp = (dlevel < 5) ? 1 : 0;
nospikes = (dlevel < 6) ? 1 : 0;
nospider = (dlevel < 7) ? 1 : 0;
#ifdef POLYSELF
nopoly = (dlevel < 6) ? 1 : 0;
#endif
nolandmine = (dlevel < 5) ? 1 : 0;
nomimic = (dlevel < 9 || goldseen ) ? 1 : 0;
if((mons[PM_SMALL_MIMIC].geno & G_GENOD) &&
(mons[PM_LARGE_MIMIC].geno & G_GENOD) &&
(mons[PM_GIANT_MIMIC].geno & G_GENOD))
nomimic = 1;
if(mons[PM_GIANT_SPIDER].geno & G_GENOD)
nospider = 1;
do {
#ifdef REINCARNATION
if (dlevel==rogue_level) {
switch(rn2(7)) {
case 0: kind = BEAR_TRAP; break;
case 1: kind = ARROW_TRAP; break;
case 2: kind = DART_TRAP; break;
case 3: kind = TRAPDOOR; break;
case 4: kind = PIT; break;
case 5: kind = SLP_GAS_TRAP; break;
case 6: kind = RUST_TRAP; break;
}
} else
#endif
kind = rnd(TRAPNUM-1);
if((kind == MONST_TRAP && (nomonst && nomimic))
|| ((kind == WEB) && nospider)
|| (kind == SPIKED_PIT && nospikes)
|| (kind == LEVEL_TELEP && nolevltp)
#ifdef POLYSELF
|| (kind == POLY_TRAP && nopoly)
#endif
|| (kind == LANDMINE && nolandmine)
) kind = NO_TRAP;
} while(kind == NO_TRAP);
} else kind = num;
if(kind == MONST_TRAP && !nomimic && !rn2(4) && !mazeflag) {
register struct monst *mtmp;
do {
if(++tryct > 200) return;
/* note: fakedoor maybe on actual door */
if(rn2(2)){
if(rn2(2)) mx = croom->hx+1;
else mx = croom->lx-1;
my = somey(croom);
} else {
if(rn2(2)) my = croom->hy+1;
else my = croom->ly-1;
mx = somex(croom);
}
} while
(MON_AT(mx, my));
if((mtmp = makemon(mkclass(S_MIMIC), mx, my))) {
mtmp->mimic = 1;
mtmp->m_ap_type = M_AP_FURNITURE;
mtmp->mappearance = S_cdoor;
}
return;
}
do {
if(++tryct > 200)
return;
if(mazeflag){
coord mm;
mazexy(&mm);
mx = mm.x;
my = mm.y;
} else {
mx = somex(croom);
my = somey(croom);
}
} while(occupied(mx, my));
ttmp = maketrap(mx, my, kind);
if (kind == WEB) (void) makemon(&mons[PM_GIANT_SPIDER], mx, my);
if(mazeflag && !rn2(10) && ttmp->ttyp < MONST_TRAP)
ttmp->tseen = 1;
}
#ifdef FOUNTAINS
void
mkfount(mazeflag,croom)
register struct mkroom *croom;
register int mazeflag;
{
register xchar mx,my;
register int tryct = 0;
do {
if(++tryct > 200) return;
if(mazeflag) {
coord mm;
mazexy(&mm);
mx = mm.x;
my = mm.y;
} else {
mx = somex(croom);
my = somey(croom);
}
} while(occupied(mx, my) || bydoor(mx, my));
/* Put a fountain at mx, my */
levl[mx][my].typ = FOUNTAIN;
levl[mx][my].scrsym = FOUNTAIN_SYM;
fountsound++;
}
#endif /* FOUNTAINS /**/
#ifdef SINKS
static void
mksink(croom)
register struct mkroom *croom;
{
register xchar mx,my;
register int tryct = 0;
do {
if(++tryct > 200) return;
mx = somex(croom);
my = somey(croom);
} while(occupied(mx, my) || bydoor(mx, my));
/* Put a sink at mx, my */
levl[mx][my].typ = SINK;
levl[mx][my].scrsym = SINK_SYM;
sinksound++;
}
#endif /* SINKS /**/
#ifdef ALTARS
static void
mkaltar(croom)
register struct mkroom *croom;
{
register xchar mx,my;
register int tryct = 0;
if(croom->rtype != OROOM) return;
do {
if(++tryct > 200) return;
mx = somex(croom);
my = somey(croom);
} while(occupied(mx, my) || bydoor(mx, my));
/* Put an altar at mx, my */
levl[mx][my].typ = ALTAR;
levl[mx][my].scrsym = ALTAR_SYM;
/* 0 - A_CHAOS, 1 - A_NEUTRAL, 2 - A_LAW */
levl[mx][my].altarmask = rn2((int)A_LAW+1);
}
#endif /* ALTARS /**/