* Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,

/* $NetBSD: hack.mon.c,v 1.14 2011/08/07 06:03:45 dholland Exp $ */

/*
* Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,
* Amsterdam
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Stichting Centrum voor Wiskunde en
* Informatica, nor the names of its contributors may be used to endorse or
* promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

/*
* Copyright (c) 1982 Jay Fenlason <[email protected]>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: hack.mon.c,v 1.14 2011/08/07 06:03:45 dholland Exp $");
#endif /* not lint */

#include <stdlib.h>
#include "hack.h"
#include "extern.h"
#include "hack.mfndpos.h"

static int warnlevel; /* used by movemon and dochugw */
static long lastwarntime;
static int lastwarnlev;

static const char *const warnings[] = {
"white", "pink", "red", "ruby", "purple", "black"
};

static int dochugw(struct monst *);
static void mpickgold(struct monst *);
static void mpickgems(struct monst *);
static void dmonsfree(void);
static int ishuman(struct monst *);

void
movemon(void)
{
struct monst *mtmp;
int fr;

warnlevel = 0;

while (1) {
/* find a monster that we haven't treated yet */
/*
* note that mtmp or mtmp->nmon might get killed while mtmp
* moves, so we cannot just walk down the chain (even new
* monsters might get created!)
*/
for (mtmp = fmon; mtmp; mtmp = mtmp->nmon)
if (mtmp->mlstmv < moves)
goto next_mon;
/* treated all monsters */
break;

next_mon:
mtmp->mlstmv = moves;

/* most monsters drown in pools */
{
boolean inpool, iseel;

inpool = (levl[mtmp->mx][mtmp->my].typ == POOL);
iseel = (mtmp->data->mlet == ';');
if (inpool && !iseel) {
if (cansee(mtmp->mx, mtmp->my))
pline("%s drowns.", Monnam(mtmp));
mondead(mtmp);
continue;
}
/* but eels have a difficult time outside */
if (iseel && !inpool) {
if (mtmp->mhp > 1)
mtmp->mhp--;
mtmp->mflee = 1;
mtmp->mfleetim += 2;
}
}
if (mtmp->mblinded && !--mtmp->mblinded)
mtmp->mcansee = 1;
if (mtmp->mfleetim && !--mtmp->mfleetim)
mtmp->mflee = 0;
if (mtmp->mimic)
continue;
if (mtmp->mspeed != MSLOW || !(moves % 2)) {
/* continue if the monster died fighting */
fr = -1;
if (Conflict && cansee(mtmp->mx, mtmp->my)
&& (fr = fightm(mtmp)) == 2)
continue;
if (fr < 0 && dochugw(mtmp))
continue;
}
if (mtmp->mspeed == MFAST && dochugw(mtmp))
continue;
}

warnlevel -= u.ulevel;
if (warnlevel >= SIZE(warnings))
warnlevel = SIZE(warnings) - 1;
if (warnlevel >= 0)
if (warnlevel > lastwarnlev || moves > lastwarntime + 5) {
const char *rr;
switch (Warning & (LEFT_RING | RIGHT_RING)) {
case LEFT_RING:
rr = "Your left ring glows";
break;
case RIGHT_RING:
rr = "Your right ring glows";
break;
case LEFT_RING | RIGHT_RING:
rr = "Both your rings glow";
break;
default:
rr = "Your fingertips glow";
break;
}
pline("%s %s!", rr, warnings[warnlevel]);
lastwarntime = moves;
lastwarnlev = warnlevel;
}
dmonsfree(); /* remove all dead monsters */
}

void
justswld(struct monst *mtmp, const char *name)
{

mtmp->mx = u.ux;
mtmp->my = u.uy;
u.ustuck = mtmp;
pmon(mtmp);
kludge("%s swallows you!", name);
more();
seeoff(1);
u.uswallow = 1;
u.uswldtim = 0;
swallowed();
}

void
youswld(struct monst *mtmp, int dam, unsigned int die, const char *name)
{
if (mtmp != u.ustuck)
return;
kludge("%s digests you!", name);
u.uhp -= dam;
if (u.uswldtim++ >= die) { /* a3 */
pline("It totally digests you!");
u.uhp = -1;
}
if (u.uhp < 1)
done_in_by(mtmp);
#if 0
flags.botlx = 1; /* should we show status line ? */
#endif
}

static int
dochugw(struct monst *mtmp)
{
int x = mtmp->mx;
int y = mtmp->my;
int dead = dochug(mtmp);
int dd;

if (!dead) /* monster still alive */
if (Warning)
if (!mtmp->mpeaceful)
if (mtmp->data->mlevel > warnlevel)
if ((dd = dist(mtmp->mx, mtmp->my)) < dist(x, y))
if (dd < 100)
if (!canseemon(mtmp))
warnlevel = mtmp->data->mlevel;
return (dead);
}

/* returns 1 if monster died moving, 0 otherwise */
int
dochug(struct monst *mtmp)
{
const struct permonst *mdat;
int tmp = 0, nearby, scared;

if (mtmp->cham && !rn2(6))
(void) newcham(mtmp, &mons[dlevel + 14 + rn2(CMNUM - 14 - dlevel)]);
mdat = mtmp->data;
if (mdat->mlevel < 0)
panic("bad monster %c (%d)", mdat->mlet, mdat->mlevel);

/* regenerate monsters */
if ((!(moves % 20) || strchr(MREGEN, mdat->mlet)) &&
mtmp->mhp < mtmp->mhpmax)
mtmp->mhp++;

if (mtmp->mfroz)
return (0); /* frozen monsters don't do anything */

if (mtmp->msleep) {
/* wake up, or get out of here. */
/* ettins are hard to surprise */
/* Nymphs and Leprechauns do not easily wake up */
if (cansee(mtmp->mx, mtmp->my) &&
(!Stealth || (mdat->mlet == 'e' && rn2(10))) &&
(!strchr("NL", mdat->mlet) || !rn2(50)) &&
(Aggravate_monster || strchr("d1", mdat->mlet)
|| (!rn2(7) && !mtmp->mimic)))
mtmp->msleep = 0;
else
return (0);
}
/* not frozen or sleeping: wipe out texts written in the dust */
wipe_engr_at(mtmp->mx, mtmp->my, 1);

/* confused monsters get unconfused with small probability */
if (mtmp->mconf && !rn2(50))
mtmp->mconf = 0;

/* some monsters teleport */
if (mtmp->mflee && strchr("tNL", mdat->mlet) && !rn2(40)) {
rloc(mtmp);
return (0);
}
if (mdat->mmove < rnd(6))
return (0);

/* fleeing monsters might regain courage */
if (mtmp->mflee && !mtmp->mfleetim
&& mtmp->mhp == mtmp->mhpmax && !rn2(25))
mtmp->mflee = 0;

nearby = (dist(mtmp->mx, mtmp->my) < 3);
scared = (nearby && (sengr_at("Elbereth", u.ux, u.uy) ||
sobj_at(SCR_SCARE_MONSTER, u.ux, u.uy)));
if (scared && !mtmp->mflee) {
mtmp->mflee = 1;
mtmp->mfleetim = (rn2(7) ? rnd(10) : rnd(100));
}
if (!nearby ||
mtmp->mflee ||
mtmp->mconf ||
(mtmp->minvis && !rn2(3)) ||
(strchr("BIuy", mdat->mlet) && !rn2(4)) ||
(mdat->mlet == 'L' && !u.ugold && (mtmp->mgold || rn2(2))) ||
(!mtmp->mcansee && !rn2(4)) ||
mtmp->mpeaceful
) {
tmp = m_move(mtmp, 0); /* 2: monster died moving */
if (tmp == 2 || (tmp && mdat->mmove <= 12))
return (tmp == 2);
}
if (!strchr("Ea", mdat->mlet) && nearby &&
!mtmp->mpeaceful && u.uhp > 0 && !scared) {
if (mhitu(mtmp))
return (1); /* monster died (e.g. 'y' or 'F') */
}
/* extra movement for fast monsters */
if (mdat->mmove - 12 > rnd(12))
tmp = m_move(mtmp, 1);
return (tmp == 2);
}

int
m_move(struct monst *mtmp, int after)
{
struct monst *mtmp2;
int nx, ny, omx, omy, appr, nearer, cnt, i, j;
xchar gx, gy, nix, niy, chcnt;
schar chi;
boolean likegold = 0, likegems = 0, likeobjs = 0;
char msym = mtmp->data->mlet;
schar mmoved = 0; /* not strictly nec.: chi >= 0 will
* do */
coord poss[9];
int info[9];

if (mtmp->mfroz || mtmp->msleep)
return (0);
if (mtmp->mtrapped) {
i = mintrap(mtmp);
if (i == 2)
return (2); /* he died */
if (i == 1)
return (0); /* still in trap, so didnt move */
}
if (mtmp->mhide && o_at(mtmp->mx, mtmp->my) && rn2(10))
return (0); /* do not leave hiding place */

#ifndef NOWORM
if (mtmp->wormno)
goto not_special;
#endif /* NOWORM */

/* my dog gets a special treatment */
if (mtmp->mtame) {
return (dog_move(mtmp, after));
}
/* likewise for shopkeeper */
if (mtmp->isshk) {
mmoved = shk_move(mtmp);
if (mmoved >= 0)
goto postmov;
mmoved = 0; /* follow player outside shop */
}
/* and for the guard */
if (mtmp->isgd) {
mmoved = gd_move();
goto postmov;
}
/*
* teleport if that lies in our nature ('t') or when badly wounded
* ('1')
*/
if ((msym == 't' && !rn2(5))
|| (msym == '1' && (mtmp->mhp < 7 || (!xdnstair && !rn2(5))
|| levl[u.ux][u.uy].typ == STAIRS))) {
if (mtmp->mhp < 7 || (msym == 't' && rn2(2)))
rloc(mtmp);
else
mnexto(mtmp);
mmoved = 1;
goto postmov;
}
/* spit fire ('D') or use a wand ('1') when appropriate */
if (strchr("D1", msym))
inrange(mtmp);

if (msym == 'U' && !mtmp->mcan && canseemon(mtmp) &&
mtmp->mcansee && rn2(5)) {
if (!Confusion)
pline("%s's gaze has confused you!", Monnam(mtmp));
else
pline("You are getting more and more confused.");
if (rn2(3))
mtmp->mcan = 1;
Confusion += d(3, 4); /* timeout */
}
not_special:
if (!mtmp->mflee && u.uswallow && u.ustuck != mtmp)
return (1);
appr = 1;
if (mtmp->mflee)
appr = -1;
if (mtmp->mconf || Invis || !mtmp->mcansee ||
(strchr("BIy", msym) && !rn2(3)))
appr = 0;
omx = mtmp->mx;
omy = mtmp->my;
gx = u.ux;
gy = u.uy;
if (msym == 'L' && appr == 1 && mtmp->mgold > u.ugold)
appr = -1;

/*
* random criterion for 'smell' or track finding ability should use
* mtmp->msmell or sth
*/
if (msym == '@' ||
('a' <= msym && msym <= 'z')) {
coord *cp;
schar mroom;
mroom = inroom(omx, omy);
if (mroom < 0 || mroom != inroom(u.ux, u.uy)) {
cp = gettrack(omx, omy);
if (cp) {
gx = cp->x;
gy = cp->y;
}
}
}
/* look for gold or jewels nearby */
likegold = (strchr("LOD", msym) != NULL);
likegems = (strchr("ODu", msym) != NULL);
likeobjs = mtmp->mhide;
#define SRCHRADIUS 25
{
xchar mind = SRCHRADIUS; /* not too far away */
int dd;
if (likegold) {
struct gold *gold;
for (gold = fgold; gold; gold = gold->ngold)
if ((dd = DIST(omx, omy, gold->gx, gold->gy)) < mind) {
mind = dd;
gx = gold->gx;
gy = gold->gy;
}
}
if (likegems || likeobjs) {
struct obj *otmp;
for (otmp = fobj; otmp; otmp = otmp->nobj)
if (likeobjs || otmp->olet == GEM_SYM)
if (msym != 'u' ||
objects[otmp->otyp].g_val != 0)
if ((dd = DIST(omx, omy, otmp->ox, otmp->oy)) < mind) {
mind = dd;
gx = otmp->ox;
gy = otmp->oy;
}
}
if (mind < SRCHRADIUS && appr == -1) {
if (dist(omx, omy) < 10) {
gx = u.ux;
gy = u.uy;
} else
appr = 1;
}
}
nix = omx;
niy = omy;
cnt = mfndpos(mtmp, poss, info,
msym == 'u' ? NOTONL :
(msym == '@' || msym == '1') ? (ALLOW_SSM | ALLOW_TRAPS) :
strchr(UNDEAD, msym) ? NOGARLIC : ALLOW_TRAPS);
/* ALLOW_ROCK for some monsters ? */
chcnt = 0;
chi = -1;
for (i = 0; i < cnt; i++) {
nx = poss[i].x;
ny = poss[i].y;
for (j = 0; j < MTSZ && j < cnt - 1; j++)
if (nx == mtmp->mtrack[j].x && ny == mtmp->mtrack[j].y)
if (rn2(4 * (cnt - j)))
goto nxti;
#ifdef STUPID
/* some stupid compilers think that this is too complicated */
{
int d1 = DIST(nx, ny, gx, gy);
int d2 = DIST(nix, niy, gx, gy);
nearer = (d1 < d2);
}
#else
nearer = (DIST(nx, ny, gx, gy) < DIST(nix, niy, gx, gy));
#endif /* STUPID */
if ((appr == 1 && nearer) || (appr == -1 && !nearer) ||
!mmoved ||
(!appr && !rn2(++chcnt))) {
nix = nx;
niy = ny;
chi = i;
mmoved = 1;
}
nxti: ;
}
if (mmoved) {
if (info[chi] & ALLOW_M) {
mtmp2 = m_at(nix, niy);
if (mtmp2 == NULL)
panic("error in m_move");
if (hitmm(mtmp, mtmp2) == 1 && rn2(4) &&
hitmm(mtmp2, mtmp) == 2)
return (2);
return (0);
}
if (info[chi] & ALLOW_U) {
(void) hitu(mtmp, d(mtmp->data->damn, mtmp->data->damd) + 1);
return (0);
}
mtmp->mx = nix;
mtmp->my = niy;
for (j = MTSZ - 1; j > 0; j--)
mtmp->mtrack[j] = mtmp->mtrack[j - 1];
mtmp->mtrack[0].x = omx;
mtmp->mtrack[0].y = omy;
#ifndef NOWORM
if (mtmp->wormno)
worm_move(mtmp);
#endif /* NOWORM */
} else {
if (msym == 'u' && rn2(2)) {
rloc(mtmp);
return (0);
}
#ifndef NOWORM
if (mtmp->wormno)
worm_nomove(mtmp);
#endif /* NOWORM */
}
postmov:
if (mmoved == 1) {
if (mintrap(mtmp) == 2) /* he died */
return (2);
if (likegold)
mpickgold(mtmp);
if (likegems)
mpickgems(mtmp);
if (mtmp->mhide)
mtmp->mundetected = 1;
}
pmon(mtmp);
return (mmoved);
}

static void
mpickgold(struct monst *mtmp)
{
struct gold *gold;
while ((gold = g_at(mtmp->mx, mtmp->my)) != NULL) {
mtmp->mgold += gold->amount;
freegold(gold);
if (levl[mtmp->mx][mtmp->my].scrsym == '$')
newsym(mtmp->mx, mtmp->my);
}
}

static void
mpickgems(struct monst *mtmp)
{
struct obj *otmp;
for (otmp = fobj; otmp; otmp = otmp->nobj)
if (otmp->olet == GEM_SYM)
if (otmp->ox == mtmp->mx && otmp->oy == mtmp->my)
if (mtmp->data->mlet != 'u' || objects[otmp->otyp].g_val != 0) {
freeobj(otmp);
mpickobj(mtmp, otmp);
if (levl[mtmp->mx][mtmp->my].scrsym == GEM_SYM)
newsym(mtmp->mx, mtmp->my); /* %% */
return; /* pick only one object */
}
}

/* return number of acceptable neighbour positions */
int
mfndpos(struct monst *mon, coord poss[9], int info[9], int flag)
{
int x, y, nx, ny, cnt = 0, ntyp;
struct monst *mtmp;
int nowtyp;
boolean pool;

x = mon->mx;
y = mon->my;
nowtyp = levl[x][y].typ;

pool = (mon->data->mlet == ';');
nexttry: /* eels prefer the water, but if there is no
* water nearby, they will crawl over land */
if (mon->mconf) {
flag |= ALLOW_ALL;
flag &= ~NOTONL;
}
for (nx = x - 1; nx <= x + 1; nx++)
for (ny = y - 1; ny <= y + 1; ny++)
if (nx != x || ny != y)
if (isok(nx, ny))
if (!IS_ROCK(ntyp = levl[nx][ny].typ))
if (!(nx != x && ny != y && (nowtyp == DOOR || ntyp == DOOR)))
if ((ntyp == POOL) == pool) {
info[cnt] = 0;
if (nx == u.ux && ny == u.uy) {
if (!(flag & ALLOW_U))
continue;
info[cnt] = ALLOW_U;
} else if ((mtmp = m_at(nx, ny)) != NULL) {
if (!(flag & ALLOW_M))
continue;
info[cnt] = ALLOW_M;
if (mtmp->mtame) {
if (!(flag & ALLOW_TM))
continue;
info[cnt] |= ALLOW_TM;
}
}
if (sobj_at(CLOVE_OF_GARLIC, nx, ny)) {
if (flag & NOGARLIC)
continue;
info[cnt] |= NOGARLIC;
}
if (sobj_at(SCR_SCARE_MONSTER, nx, ny) ||
(!mon->mpeaceful && sengr_at("Elbereth", nx, ny))) {
if (!(flag & ALLOW_SSM))
continue;
info[cnt] |= ALLOW_SSM;
}
if (sobj_at(ENORMOUS_ROCK, nx, ny)) {
if (!(flag & ALLOW_ROCK))
continue;
info[cnt] |= ALLOW_ROCK;
}
if (!Invis && online(nx, ny)) {
if (flag & NOTONL)
continue;
info[cnt] |= NOTONL;
}
/*
* we cannot
* avoid
* traps of
* an unknown
* kind
*/
{
struct trap *ttmp = t_at(nx, ny);
int tt;
if (ttmp) {
tt = 1 << ttmp->ttyp;
if (mon->mtrapseen & tt) {
if (!(flag & tt))
continue;
info[cnt] |= tt;
}
}
}
poss[cnt].x = nx;
poss[cnt].y = ny;
cnt++;
}
if (!cnt && pool && nowtyp != POOL) {
pool = FALSE;
goto nexttry;
}
return (cnt);
}

int
dist(int x, int y)
{
return ((x - u.ux) * (x - u.ux) + (y - u.uy) * (y - u.uy));
}

void
poisoned(const char *string, const char *pname)
{
int i;

if (Blind)
pline("It was poisoned.");
else
pline("The %s was poisoned!", string);
if (Poison_resistance) {
pline("The poison doesn't seem to affect you.");
return;
}
i = rn2(10);
if (i == 0) {
u.uhp = -1;
pline("I am afraid the poison was deadly ...");
} else if (i <= 5) {
losestr(rn1(3, 3));
} else {
losehp(rn1(10, 6), pname);
}
if (u.uhp < 1) {
killer = pname;
done("died");
}
}

void
mondead(struct monst *mtmp)
{
relobj(mtmp, 1);
unpmon(mtmp);
relmon(mtmp);
unstuck(mtmp);
if (mtmp->isshk)
shkdead(mtmp);
if (mtmp->isgd)
gddead();
#ifndef NOWORM
if (mtmp->wormno)
wormdead(mtmp);
#endif /* NOWORM */
monfree(mtmp);
}

/* called when monster is moved to larger structure */
void
replmon(struct monst *mtmp, struct monst *mtmp2)
{
relmon(mtmp);
monfree(mtmp);
mtmp2->nmon = fmon;
fmon = mtmp2;
if (u.ustuck == mtmp)
u.ustuck = mtmp2;
if (mtmp2->isshk)
replshk(mtmp, mtmp2);
if (mtmp2->isgd)
replgd(mtmp, mtmp2);
}

void
relmon(struct monst *mon)
{
struct monst *mtmp;

if (mon == fmon)
fmon = fmon->nmon;
else {
for (mtmp = fmon; mtmp->nmon != mon; mtmp = mtmp->nmon);
mtmp->nmon = mon->nmon;
}
}

/*
* we do not free monsters immediately, in order to have their name available
* shortly after their demise
*/
static struct monst *fdmon; /* chain of dead monsters, need not to be
* saved */

void
monfree(struct monst *mtmp)
{
mtmp->nmon = fdmon;
fdmon = mtmp;
}

static void
dmonsfree(void)
{
struct monst *mtmp;
while ((mtmp = fdmon) != NULL) {
fdmon = mtmp->nmon;
free(mtmp);
}
}

void
unstuck(struct monst *mtmp)
{
if (u.ustuck == mtmp) {
if (u.uswallow) {
u.ux = mtmp->mx;
u.uy = mtmp->my;
u.uswallow = 0;
setsee();
docrt();
}
u.ustuck = 0;
}
}

void
killed(struct monst *mtmp)
{
#ifdef lint
#define NEW_SCORING
#endif /* lint */
int tmp, nk, x, y;
const struct permonst *mdat;

if (mtmp->cham)
mtmp->data = PM_CHAMELEON;
mdat = mtmp->data;
if (Blind)
pline("You destroy it!");
else {
pline("You destroy %s!",
mtmp->mtame ? amonnam(mtmp, "poor") : monnam(mtmp));
}
if (u.umconf) {
if (!Blind)
pline("Your hands stop glowing blue.");
u.umconf = 0;
}
/* count killed monsters */
#define MAXMONNO 100
nk = 1; /* in case we cannot find it in mons */
tmp = mdat - mons; /* strchr in mons array (if not 'd', '@', ...) */
if (tmp >= 0 && tmp < CMNUM + 2) {
u.nr_killed[tmp]++;
if ((nk = u.nr_killed[tmp]) > MAXMONNO &&
!strchr(fut_geno, mdat->mlet))
charcat(fut_geno, mdat->mlet);
}
/* punish bad behaviour */
if (mdat->mlet == '@')
Telepat = 0, u.uluck -= 2;
if (mtmp->mpeaceful || mtmp->mtame)
u.uluck--;
if (mdat->mlet == 'u')
u.uluck -= 5;
if ((int) u.uluck < LUCKMIN)
u.uluck = LUCKMIN;

/* give experience points */
tmp = 1 + mdat->mlevel * mdat->mlevel;
if (mdat->ac < 3)
tmp += 2 * (7 - mdat->ac);
if (strchr("AcsSDXaeRTVWU&In:P", mdat->mlet))
tmp += 2 * mdat->mlevel;
if (strchr("DeV&P", mdat->mlet))
tmp += (7 * mdat->mlevel);
if (mdat->mlevel > 6)
tmp += 50;
if (mdat->mlet == ';')
tmp += 1000;

#ifdef NEW_SCORING
/*
* ------- recent addition: make nr of points decrease when this is
* not the first of this kind
*/
{
int ul = u.ulevel;
int ml = mdat->mlevel;
int tmp2;

if (ul < 14) /* points are given based on present and
* future level */
for (tmp2 = 0; !tmp2 || ul + tmp2 <= ml; tmp2++)
if (u.uexp + 1 + (tmp + ((tmp2 <= 0) ? 0 : 4 << (tmp2 - 1))) / nk
>= 10 * pow((unsigned) (ul - 1)))
if (++ul == 14)
break;

tmp2 = ml - ul - 1;
tmp = (tmp + ((tmp2 < 0) ? 0 : 4 << tmp2)) / nk;
if (!tmp)
tmp = 1;
}
/* note: ul is not necessarily the future value of u.ulevel */
/* ------- end of recent valuation change ------- */
#endif /* NEW_SCORING */

more_experienced(tmp, 0);
flags.botl = 1;
while (u.ulevel < 14 && u.uexp >= newuexp()) {
pline("Welcome to experience level %u.", ++u.ulevel);
tmp = rnd(10);
if (tmp < 3)
tmp = rnd(10);
u.uhpmax += tmp;
u.uhp += tmp;
flags.botl = 1;
}

/* dispose of monster and make cadaver */
x = mtmp->mx;
y = mtmp->my;
mondead(mtmp);
tmp = mdat->mlet;
if (tmp == 'm') { /* he killed a minotaur, give him a wand of
* digging */
/* note: the dead minotaur will be on top of it! */
mksobj_at(WAN_DIGGING, x, y);
/* if(cansee(x,y)) atl(x,y,fobj->olet); */
stackobj(fobj);
} else
#ifndef NOWORM
if (tmp == 'w') {
mksobj_at(WORM_TOOTH, x, y);
stackobj(fobj);
} else
#endif /* NOWORM */
if (!letter(tmp) || (!strchr("mw", tmp) && !rn2(3)))
tmp = 0;

if (ACCESSIBLE(levl[x][y].typ)) /* might be mimic in wall or dead eel */
if (x != u.ux || y != u.uy) /* might be here after
* swallowed */
if (strchr("NTVm&", mdat->mlet) || rn2(5)) {
struct obj *obj2 = mkobj_at(tmp, x, y);
if (cansee(x, y))
atl(x, y, obj2->olet);
stackobj(obj2);
}
}

void
kludge(const char *str, const char *arg)
{
if (Blind) {
if (*str == '%')
pline(str, "It");
else
pline(str, "it");
} else
pline(str, arg);
}

void
rescham(void)
{ /* force all chameleons to become normal */
struct monst *mtmp;

for (mtmp = fmon; mtmp; mtmp = mtmp->nmon)
if (mtmp->cham) {
mtmp->cham = 0;
(void) newcham(mtmp, PM_CHAMELEON);
}
}

/* make a chameleon look like a new monster */
/* returns 1 if the monster actually changed */
int
newcham(struct monst *mtmp, const struct permonst *mdat)
{
int mhp, hpn, hpd;

if (mdat == mtmp->data)
return (0); /* still the same monster */
#ifndef NOWORM
if (mtmp->wormno)
wormdead(mtmp); /* throw tail away */
#endif /* NOWORM */
if (u.ustuck == mtmp) {
if (u.uswallow) {
u.uswallow = 0;
u.uswldtim = 0;
mnexto(mtmp);
docrt();
prme();
}
u.ustuck = 0;
}
hpn = mtmp->mhp;
hpd = (mtmp->data->mlevel) * 8;
if (!hpd)
hpd = 4;
mtmp->data = mdat;
mhp = (mdat->mlevel) * 8;
/* new hp: same fraction of max as before */
mtmp->mhp = 2 + (hpn * mhp) / hpd;
hpn = mtmp->mhpmax;
mtmp->mhpmax = 2 + (hpn * mhp) / hpd;
mtmp->minvis = (mdat->mlet == 'I') ? 1 : 0;
#ifndef NOWORM
if (mdat->mlet == 'w' && getwn(mtmp))
initworm(mtmp);
/* perhaps we should clear mtmp->mtame here? */
#endif /* NOWORM */
unpmon(mtmp); /* necessary for 'I' and to force pmon */
pmon(mtmp);
return (1);
}

/* Make monster mtmp next to you (if possible) */
void
mnexto(struct monst *mtmp)
{
coord mm;
mm = enexto(u.ux, u.uy);
mtmp->mx = mm.x;
mtmp->my = mm.y;
pmon(mtmp);
}

static int
ishuman(struct monst *mtmp)
{
return (mtmp->data->mlet == '@');
}

void
setmangry(struct monst *mtmp)
{
if (!mtmp->mpeaceful)
return;
if (mtmp->mtame)
return;
mtmp->mpeaceful = 0;
if (ishuman(mtmp))
pline("%s gets angry!", Monnam(mtmp));
}

/*
* not one hundred procent correct: now a snake may hide under an invisible
* object
*/
int
canseemon(struct monst *mtmp)
{
return ((!mtmp->minvis || See_invisible)
&& (!mtmp->mhide || !o_at(mtmp->mx, mtmp->my))
&& cansee(mtmp->mx, mtmp->my));
}