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/* $OpenBSD: hack.makemon.c,v 1.4 2001/08/06 22:59:13 pjanzen Exp $ */
/*
* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
*/
#ifndef lint
static char rcsid[] = "$OpenBSD: hack.makemon.c,v 1.4 2001/08/06 22:59:13 pjanzen Exp $";
#endif /* not lint */
#include "hack.h"
extern char fut_geno[];
extern struct obj *mkobj_at();
struct monst zeromonst;
/*
* called with [x,y] = coordinates;
* [0,0] means anyplace
* [u.ux,u.uy] means: call mnexto (if !in_mklev)
*
* In case we make an Orc or killer bee, we make an entire horde (swarm);
* note that in this case we return only one of them (the one at [x,y]).
*/
struct monst *
makemon(ptr,x,y)
register struct permonst *ptr;
{
register struct monst *mtmp;
register tmp, ct;
boolean anything = (!ptr);
extern boolean in_mklev;
if(x != 0 || y != 0) if(m_at(x,y)) return((struct monst *) 0);
if(ptr){
if(strchr(fut_geno, ptr->mlet)) return((struct monst *) 0);
} else {
ct = CMNUM - strlen(fut_geno);
if(strchr(fut_geno, 'm')) ct++; /* make only 1 minotaur */
if(strchr(fut_geno, '@')) ct++;
if(ct <= 0) return(0); /* no more monsters! */
tmp = rn2(ct*dlevel/24 + 7);
if(tmp < dlevel - 4) tmp = rn2(ct*dlevel/24 + 12);
if(tmp >= ct) tmp = rn1(ct - ct/2, ct/2);
for(ct = 0; ct < CMNUM; ct++){
ptr = &mons[ct];
if(strchr(fut_geno, ptr->mlet))
continue;
if(!tmp--) goto gotmon;
}
panic("makemon?");
}
gotmon:
mtmp = newmonst(ptr->pxlth);
*mtmp = zeromonst; /* clear all entries in structure */
for(ct = 0; ct < ptr->pxlth; ct++)
((char *) &(mtmp->mextra[0]))[ct] = 0;
mtmp->nmon = fmon;
fmon = mtmp;
mtmp->m_id = flags.ident++;
mtmp->data = ptr;
mtmp->mxlth = ptr->pxlth;
if(ptr->mlet == 'D') mtmp->mhpmax = mtmp->mhp = 80;
else if(!ptr->mlevel) mtmp->mhpmax = mtmp->mhp = rnd(4);
else mtmp->mhpmax = mtmp->mhp = d(ptr->mlevel, 8);
mtmp->mx = x;
mtmp->my = y;
mtmp->mcansee = 1;
if(ptr->mlet == 'M'){
mtmp->mimic = 1;
mtmp->mappearance = ']';
}
if(!in_mklev) {
if(x == u.ux && y == u.uy && ptr->mlet != ' ')
mnexto(mtmp);
if(x == 0 && y == 0)
rloc(mtmp);
}
if(ptr->mlet == 's' || ptr->mlet == 'S') {
mtmp->mhide = mtmp->mundetected = 1;
if(in_mklev)
if(mtmp->mx && mtmp->my)
(void) mkobj_at(0, mtmp->mx, mtmp->my);
}
if(ptr->mlet == ':') {
mtmp->cham = 1;
(void) newcham(mtmp, &mons[dlevel+14+rn2(CMNUM-14-dlevel)]);
}
if(ptr->mlet == 'I' || ptr->mlet == ';')
mtmp->minvis = 1;
if(ptr->mlet == 'L' || ptr->mlet == 'N'
|| (in_mklev && strchr("&w;", ptr->mlet) && rn2(5))
) mtmp->msleep = 1;
#ifndef NOWORM
if(ptr->mlet == 'w' && getwn(mtmp))
initworm(mtmp);
#endif /* NOWORM */
if(anything) if(ptr->mlet == 'O' || ptr->mlet == 'k') {
coord enexto();
coord mm;
register int cnt = rnd(10);
mm.x = x;
mm.y = y;
while(cnt--) {
mm = enexto(mm.x, mm.y);
(void) makemon(ptr, mm.x, mm.y);
}
}
return(mtmp);
}
coord
enexto(xx,yy)
register xchar xx,yy;
{
register xchar x,y;
coord foo[15], *tfoo;
int range;
tfoo = foo;
range = 1;
do { /* full kludge action. */
for(x = xx-range; x <= xx+range; x++)
if(goodpos(x, yy-range)) {
tfoo->x = x;
tfoo++->y = yy-range;
if(tfoo == &foo[15]) goto foofull;
}
for(x = xx-range; x <= xx+range; x++)
if(goodpos(x,yy+range)) {
tfoo->x = x;
tfoo++->y = yy+range;
if(tfoo == &foo[15]) goto foofull;
}
for(y = yy+1-range; y < yy+range; y++)
if(goodpos(xx-range,y)) {
tfoo->x = xx-range;
tfoo++->y = y;
if(tfoo == &foo[15]) goto foofull;
}
for(y = yy+1-range; y < yy+range; y++)
if(goodpos(xx+range,y)) {
tfoo->x = xx+range;
tfoo++->y = y;
if(tfoo == &foo[15]) goto foofull;
}
range++;
} while(tfoo == foo);
foofull:
return( foo[rn2(tfoo-foo)] );
}
goodpos(x,y) /* used only in mnexto and rloc */
{
return(
! (x < 1 || x > COLNO-2 || y < 1 || y > ROWNO-2 ||
m_at(x,y) || !ACCESSIBLE(levl[x][y].typ)
|| (x == u.ux && y == u.uy)
|| sobj_at(ENORMOUS_ROCK, x, y)
));
}
rloc(mtmp)
struct monst *mtmp;
{
register tx,ty;
register char ch = mtmp->data->mlet;
#ifndef NOWORM
if(ch == 'w' && mtmp->mx) return; /* do not relocate worms */
#endif /* NOWORM */
do {
tx = rn1(COLNO-3,2);
ty = rn2(ROWNO);
} while(!goodpos(tx,ty));
mtmp->mx = tx;
mtmp->my = ty;
if(u.ustuck == mtmp){
if(u.uswallow) {
u.ux = tx;
u.uy = ty;
docrt();
} else u.ustuck = 0;
}
pmon(mtmp);
}
struct monst *
mkmon_at(let,x,y)
char let;
register int x,y;
{
register int ct;
register struct permonst *ptr;
for(ct = 0; ct < CMNUM; ct++) {
ptr = &mons[ct];
if(ptr->mlet == let)
return(makemon(ptr,x,y));
}
return(0);
}
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