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/*
* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
*/
#ifndef lint
static char rcsid[] = "$NetBSD: hack.mkmaze.c,v 1.3 1995/03/23 08:30:46 cgd Exp $";
#endif /* not lint */
#include "hack.h"
#include "def.mkroom.h" /* not really used */
extern struct monst *makemon();
extern struct permonst pm_wizard;
extern struct obj *mkobj_at();
extern coord mazexy();
struct permonst hell_hound =
{ "hell hound", 'd', 12, 14, 2, 3, 6, 0 };
makemaz()
{
int x,y;
register zx,zy;
coord mm;
boolean al = (dlevel >= 30 && !flags.made_amulet);
for(x = 2; x < COLNO-1; x++)
for(y = 2; y < ROWNO-1; y++)
levl[x][y].typ = (x%2 && y%2) ? 0 : HWALL;
if(al) {
register struct monst *mtmp;
zx = 2*(COLNO/4) - 1;
zy = 2*(ROWNO/4) - 1;
for(x = zx-2; x < zx+4; x++) for(y = zy-2; y <= zy+2; y++) {
levl[x][y].typ =
(y == zy-2 || y == zy+2 || x == zx-2 || x == zx+3) ? POOL :
(y == zy-1 || y == zy+1 || x == zx-1 || x == zx+2) ? HWALL:
ROOM;
}
(void) mkobj_at(AMULET_SYM, zx, zy);
flags.made_amulet = 1;
walkfrom(zx+4, zy);
if(mtmp = makemon(&hell_hound, zx, zy))
mtmp->msleep = 1;
if(mtmp = makemon(PM_WIZARD, zx+1, zy)) {
mtmp->msleep = 1;
flags.no_of_wizards = 1;
}
} else {
mm = mazexy();
zx = mm.x;
zy = mm.y;
walkfrom(zx,zy);
(void) mksobj_at(WAN_WISHING, zx, zy);
(void) mkobj_at(ROCK_SYM, zx, zy); /* put a rock on top of it */
}
for(x = 2; x < COLNO-1; x++)
for(y = 2; y < ROWNO-1; y++) {
switch(levl[x][y].typ) {
case HWALL:
levl[x][y].scrsym = '-';
break;
case ROOM:
levl[x][y].scrsym = '.';
break;
}
}
for(x = rn1(8,11); x; x--) {
mm = mazexy();
(void) mkobj_at(rn2(2) ? GEM_SYM : 0, mm.x, mm.y);
}
for(x = rn1(10,2); x; x--) {
mm = mazexy();
(void) mkobj_at(ROCK_SYM, mm.x, mm.y);
}
mm = mazexy();
(void) makemon(PM_MINOTAUR, mm.x, mm.y);
for(x = rn1(5,7); x; x--) {
mm = mazexy();
(void) makemon((struct permonst *) 0, mm.x, mm.y);
}
for(x = rn1(6,7); x; x--) {
mm = mazexy();
mkgold(0L,mm.x,mm.y);
}
for(x = rn1(6,7); x; x--)
mktrap(0,1,(struct mkroom *) 0);
mm = mazexy();
levl[(xupstair = mm.x)][(yupstair = mm.y)].scrsym = '<';
levl[xupstair][yupstair].typ = STAIRS;
xdnstair = ydnstair = 0;
}
walkfrom(x,y) int x,y; {
register int q,a,dir;
int dirs[4];
levl[x][y].typ = ROOM;
while(1) {
q = 0;
for(a = 0; a < 4; a++)
if(okay(x,y,a)) dirs[q++]= a;
if(!q) return;
dir = dirs[rn2(q)];
move(&x,&y,dir);
levl[x][y].typ = ROOM;
move(&x,&y,dir);
walkfrom(x,y);
}
}
move(x,y,dir)
register int *x, *y;
register int dir;
{
switch(dir){
case 0: --(*y); break;
case 1: (*x)++; break;
case 2: (*y)++; break;
case 3: --(*x); break;
}
}
okay(x,y,dir)
int x,y;
register int dir;
{
move(&x,&y,dir);
move(&x,&y,dir);
if(x<3 || y<3 || x>COLNO-3 || y>ROWNO-3 || levl[x][y].typ != 0)
return(0);
else
return(1);
}
coord
mazexy(){
coord mm;
mm.x = 3 + 2*rn2(COLNO/2 - 2);
mm.y = 3 + 2*rn2(ROWNO/2 - 2);
return mm;
}
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