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/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/* hack.makemon.c - version 1.0.2 */
/* $FreeBSD: src/games/hack/hack.makemon.c,v 1.4 1999/11/16 10:26:36 marcel Exp $ */
/* $DragonFly: src/games/hack/hack.makemon.c,v 1.4 2006/08/21 19:45:32 pavalos Exp $ */
#include "hack.h"
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(struct permonst *ptr, int x, int y)
{
struct monst *mtmp;
int tmp, ct;
boolean anything = (!ptr);
if (x != 0 || y != 0)
if (m_at(x, y))
return (NULL);
if (ptr) {
if (strchr(fut_geno, ptr->mlet))
return (NULL);
} else {
ct = CMNUM - strlen(fut_geno);
if (strchr(fut_geno, 'm')) /* make only 1 minotaur */
ct++;
if (strchr(fut_geno, '@'))
ct++;
if (ct <= 0) /* no more monsters! */
return (0);
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; (unsigned)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)
mkobj_at(0, mtmp->mx, mtmp->my);
}
if (ptr->mlet == ':') {
mtmp->cham = 1;
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 mm;
int cnt = rnd(10);
mm.x = x;
mm.y = y;
while (cnt--) {
mm = enexto(mm.x, mm.y);
makemon(ptr, mm.x, mm.y);
}
}
return (mtmp);
}
coord
enexto(xchar xx, xchar yy)
{
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)]);
}
bool
goodpos(int x, int 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)
));
}
void
rloc(struct monst *mtmp)
{
int tx, ty;
char ch = mtmp->data->mlet;
#ifndef NOWORM
if (ch == 'w' && mtmp->mx) /* do not relocate worms */
return;
#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(char let, int x, int y)
{
int ct;
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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