pc-hack

PC HACK 3.61 source code (archival)
git clone http://frotz.net/git/pc-hack.git
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mon.c (21569B)


      1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
      2 /* mon.c - version 1.0.3 */
      3 
      4 #include "hack.h"
      5 #include "mfndpos.h"
      6 #define	NULL	(char *) 0
      7 extern struct monst *makemon();
      8 extern struct obj *mkobj_at();
      9 
     10 int warnlevel;		/* used by movemon and dochugw */
     11 long lastwarntime;
     12 int lastwarnlev;
     13 char *warnings[] = {
     14 	"white", "pink", "red", "ruby", "purple", "black"
     15 };
     16 
     17 movemon()
     18 {
     19 	register struct monst *mtmp;
     20 	register int fr;
     21 
     22 	warnlevel = 0;
     23 
     24 	while(1) {
     25 		/* find a monster that we haven't treated yet */
     26 		/* note that mtmp or mtmp->nmon might get killed
     27 		   while mtmp moves, so we cannot just walk down the
     28 		   chain (even new monsters might get created!) */
     29 		for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
     30 			if(mtmp->mlstmv < moves) goto next_mon;
     31 		/* treated all monsters */
     32 		break;
     33 
     34 	next_mon:
     35 		mtmp->mlstmv = moves;
     36 
     37 		/* most monsters drown in pools */
     38 		{ boolean inpool, iseel;
     39 
     40 		  inpool = (levl[mtmp->mx][mtmp->my].typ == POOL);
     41 		  iseel = (mtmp->data->mlet == ';');
     42 		  if(inpool && !iseel) {
     43 			if(cansee(mtmp->mx,mtmp->my))
     44 			    pline("%s drowns.", Monnam(mtmp));
     45 			mondead(mtmp);
     46 			continue;
     47 		  }
     48 		/* but eels have a difficult time outside */
     49 		  if(iseel && !inpool) {
     50 			if(mtmp->mhp > 1) mtmp->mhp--;
     51 			mtmp->mflee = 1;
     52 			mtmp->mfleetim += 2;
     53 		  }
     54 		}
     55 		if(mtmp->mblinded && !--mtmp->mblinded)
     56 			mtmp->mcansee = 1;
     57 		if(mtmp->mfleetim && !--mtmp->mfleetim)
     58 			mtmp->mflee = 0;
     59 		if(mtmp->mimic) continue;
     60 		if(mtmp->mspeed != MSLOW || !(moves%2)){
     61 			/* continue if the monster died fighting */
     62 			fr = -1;
     63 			if(Conflict && cansee(mtmp->mx,mtmp->my)
     64 				&& (fr = fightm(mtmp)) == 2)
     65 				continue;
     66 			if(fr<0 && dochugw(mtmp))
     67 				continue;
     68 		}
     69 		if(mtmp->mspeed == MFAST && dochugw(mtmp))
     70 			continue;
     71 	}
     72 
     73 	warnlevel -= u.ulevel;
     74 	if(warnlevel >= SIZE(warnings))
     75 		warnlevel = SIZE(warnings)-1;
     76 	if(warnlevel >= 0)
     77 	if(warnlevel > lastwarnlev || moves > lastwarntime + 5){
     78 	    register char *rr;
     79 # ifdef MSDOS
     80 	    if (Warning & LEFT_RING && Warning & RIGHT_RING)
     81 		rr = "Both your rings glow";
     82 	    else if (Warning & RIGHT_RING)
     83 		rr = "Your right ring glows";
     84 	    else if (Warning & LEFT_RING)
     85 		rr = "Your left ring glows";
     86 	    else
     87 		rr = "Your fingertips glow";
     88 # else
     89 	    switch(Warning & (LEFT_RING | RIGHT_RING)){
     90 	    case LEFT_RING:
     91 		rr = "Your left ring glows";
     92 		break;
     93 	    case RIGHT_RING:
     94 		rr = "Your right ring glows";
     95 		break;
     96 	    case LEFT_RING | RIGHT_RING:
     97 		rr = "Both your rings glow";
     98 		break;
     99 	    default:
    100 		rr = "Your fingertips glow";
    101 		break;
    102 	    }
    103 # endif
    104 	    pline("%s %s!", rr, warnings[warnlevel]);
    105 	    lastwarntime = moves;
    106 	    lastwarnlev = warnlevel;
    107 	}
    108 
    109 	dmonsfree();	/* remove all dead monsters */
    110 }
    111 
    112 justswld(mtmp,name)
    113 register struct monst *mtmp;
    114 char *name;
    115 {
    116 
    117 	mtmp->mx = u.ux;
    118 	mtmp->my = u.uy;
    119 	u.ustuck = mtmp;
    120 	pmon(mtmp);
    121 	kludge("%s swallows you!",name);
    122 	more();
    123 	seeoff(1);
    124 	u.uswallow = 1;
    125 	u.uswldtim = 0;
    126 	swallowed();
    127 }
    128 
    129 youswld(mtmp,dam,die,name)
    130 register struct monst *mtmp;
    131 register dam,die;
    132 char *name;
    133 {
    134 	if(mtmp != u.ustuck) return;
    135 	kludge("%s digests you!",name);
    136 	u.uhp -= dam;
    137 	if(u.uswldtim++ >= die){	/* a3 */
    138 		pline("It totally digests you!");
    139 		u.uhp = -1;
    140 	}
    141 	if(u.uhp < 1) done_in_by(mtmp);
    142 	/* flags.botlx = 1;		/* should we show status line ? */
    143 }
    144 
    145 dochugw(mtmp) register struct monst *mtmp; {
    146 register x = mtmp->mx;
    147 register y = mtmp->my;
    148 register d = dochug(mtmp);
    149 register dd;
    150 	if(!d)		/* monster still alive */
    151 	if(Warning)
    152 	if(!mtmp->mpeaceful)
    153 	if(mtmp->data->mlevel > warnlevel)
    154 	if((dd = dist(mtmp->mx,mtmp->my)) < dist(x,y))
    155 	if(dd < 100)
    156 	if(!canseemon(mtmp))
    157 		warnlevel = mtmp->data->mlevel;
    158 	return(d);
    159 }
    160 
    161 /* returns 1 if monster died moving, 0 otherwise */
    162 dochug(mtmp)
    163 register struct monst *mtmp;
    164 {
    165 	register struct permonst *mdat;
    166 	register tmp, nearby, scared, onscary;
    167 
    168 	if(mtmp->cham && !rn2(6))
    169 		(void) newcham(mtmp, &mons[dlevel+14+rn2(CMNUM-14-dlevel)]);
    170 	mdat = mtmp->data;
    171 	if(mdat->mlevel < 0)
    172 		panic("bad monster %c (%d)",mdat->mlet,mdat->mlevel);
    173 
    174 	/* regenerate monsters */
    175 	if((!(moves%20) || index(MREGEN, mdat->mlet)) &&
    176 	    mtmp->mhp < mtmp->mhpmax)
    177 		mtmp->mhp++;
    178 
    179 	if(mtmp->mfroz) return(0); /* frozen monsters don't do anything */
    180 
    181 	if(mtmp->msleep) {
    182 		/* wake up, or get out of here. */
    183 		/* ettins are hard to surprise */
    184 		/* Nymphs and Leprechauns do not easily wake up */
    185 		if(cansee(mtmp->mx,mtmp->my) &&
    186 			(!Stealth || (mdat->mlet == 'e' && rn2(10))) &&
    187 			(!index("NL",mdat->mlet) || !rn2(50)) &&
    188 			(Aggravate_monster || index("d1", mdat->mlet)
    189 				|| (!rn2(7) && !mtmp->mimic)))
    190 			mtmp->msleep = 0;
    191 		else return(0);
    192 	}
    193 
    194 	/* not frozen or sleeping: wipe out texts written in the dust */
    195 	wipe_engr_at(mtmp->mx, mtmp->my, 1);
    196 
    197 	/* confused monsters get unconfused with small probability */
    198 	if(mtmp->mconf && !rn2(50)) mtmp->mconf = 0;
    199 
    200 	/* some monsters teleport */
    201 	if(mtmp->mflee && index("tNL", mdat->mlet) && !rn2(40)){
    202 		rloc(mtmp);
    203 		return(0);
    204 	}
    205 	if(mdat->mmove < rnd(6)) return(0);
    206 
    207 	/* fleeing monsters might regain courage */
    208 	if(mtmp->mflee && !mtmp->mfleetim
    209 	    && mtmp->mhp == mtmp->mhpmax && !rn2(25))
    210 		mtmp->mflee = 0;
    211 
    212 	nearby = (dist(mtmp->mx, mtmp->my) < 3);
    213 	onscary = (sengr_at("Elbereth", u.ux, u.uy) ||
    214 			sobj_at(SCR_SCARE_MONSTER, u.ux, u.uy));
    215 	scared = (nearby && onscary);
    216 	if(scared && !mtmp->mflee) {
    217 		mtmp->mflee = 1;
    218 		mtmp->mfleetim = (rn2(7) ? rnd(10) : rnd(100));
    219 	}
    220 
    221 	if(!nearby ||
    222 		mtmp->mflee || scared ||
    223 		mtmp->mconf ||
    224 		(mtmp->minvis && !rn2(3)) ||
    225 		(index("BIuy", mdat->mlet) && !rn2(4)) ||
    226 		(mdat->mlet == 'L' && !u.ugold && (mtmp->mgold || rn2(2))) ||
    227 		(!mtmp->mcansee && !rn2(4)) ||
    228 		mtmp->mpeaceful
    229 	   ) {
    230 		tmp = m_move(mtmp,0);	/* 2: monster died moving */
    231 		if(tmp == 2 || (tmp && mdat->mmove <= 12))
    232 			return(tmp == 2);
    233 
    234 		/* A bug which prevented fast monsters from hitting you when
    235 		 * they caught up to you. -dgk
    236 		 */
    237 		nearby = (dist(mtmp->mx, mtmp->my) < 3);
    238 		scared = (nearby && onscary);
    239 		if(scared && !mtmp->mflee) {
    240 			mtmp->mflee = 1;
    241 			mtmp->mfleetim = (rn2(7) ? rnd(10) : rnd(100));
    242 		}
    243 	}
    244 
    245 	if(!index("Ea", mdat->mlet) && nearby &&
    246 	 !mtmp->mpeaceful && u.uhp > 0 && !scared) {
    247 		if(mhitu(mtmp))
    248 			return(1);	/* monster died (e.g. 'y' or 'F') */
    249 	}
    250 	/* extra movement for fast monsters */
    251 	if(mdat->mmove-12 > rnd(12)) tmp = m_move(mtmp,1);
    252 	return(tmp == 2);
    253 }
    254 
    255 m_move(mtmp,after)
    256 register struct monst *mtmp;
    257 {
    258 #ifdef REGBUG
    259 	struct monst *mtmp2;
    260 	int nx,ny,omx,omy,appr,nearer,cnt,i,j;
    261 #else
    262 	register struct monst *mtmp2;
    263 	register nx,ny,omx,omy,appr,nearer,cnt,i,j;
    264 #endif
    265 	xchar gx,gy,nix,niy,chcnt;
    266 	schar chi;
    267 	boolean likegold, likegems, likeobjs;
    268 	char msym = mtmp->data->mlet;
    269 	schar mmoved = 0;	/* not strictly nec.: chi >= 0 will do */
    270 	coord poss[9];
    271 	int info[9];
    272 
    273 	if(mtmp->mfroz || mtmp->msleep)
    274 		return(0);
    275 	if(mtmp->mtrapped) {
    276 		i = mintrap(mtmp);
    277 		if(i == 2) return(2);	/* he died */
    278 		if(i == 1) return(0);	/* still in trap, so didnt move */
    279 	}
    280 	if(mtmp->mhide && o_at(mtmp->mx,mtmp->my) && rn2(10))
    281 		return(0);		/* do not leave hiding place */
    282 
    283 #ifndef NOWORM
    284 	if(mtmp->wormno)
    285 		goto not_special;
    286 #endif
    287 
    288 	/* my dog gets a special treatment */
    289 	if(mtmp->mtame) {
    290 		return( dog_move(mtmp, after) );
    291 	}
    292 
    293 	/* likewise for shopkeeper */
    294 	if(mtmp->isshk) {
    295 		mmoved = shk_move(mtmp);
    296 		if(mmoved >= 0)
    297 			goto postmov;
    298 		mmoved = 0;		/* follow player outside shop */
    299 	}
    300 
    301 	/* and for the guard */
    302 	if(mtmp->isgd) {
    303 		mmoved = gd_move();
    304 		goto postmov;
    305 	}
    306 
    307 /* teleport if that lies in our nature ('t') or when badly wounded ('1') */
    308 	if((msym == 't' && !rn2(5))
    309 	|| (msym == '1' && (mtmp->mhp < 7 || (!xdnstair && !rn2(5))
    310 		|| levl[u.ux][u.uy].typ == STAIRS))) {
    311 		if(mtmp->mhp < 7 || (msym == 't' && rn2(2)))
    312 			rloc(mtmp);
    313 		else
    314 			mnexto(mtmp);
    315 		mmoved = 1;
    316 		goto postmov;
    317 	}
    318 
    319 	/* spit fire ('D') or use a wand ('1') when appropriate */
    320 #ifdef DGK
    321 	/* Add arrow and bolt throwing monsters */
    322 	if (index("D1KC", msym))
    323 		if (!inrange(mtmp))	/* inrange returns 1 if OK for mon */
    324 			return 0;	/* to move after it zaps or throws */
    325 #else
    326 	if(index("D1", msym))
    327 		inrange(mtmp);
    328 #endif
    329 
    330 	if(msym == 'U' && !mtmp->mcan && canseemon(mtmp) &&
    331 	    mtmp->mcansee && rn2(5)) {
    332 		if(!Confusion)
    333 			pline("%s's gaze has confused you!", Monnam(mtmp));
    334 		else
    335 			pline("You are getting more and more confused.");
    336 		if(rn2(3)) mtmp->mcan = 1;
    337 		Confusion += d(3,4);		/* timeout */
    338 	}
    339 not_special:
    340 	if(!mtmp->mflee && u.uswallow && u.ustuck != mtmp) return(1);
    341 	appr = 1;
    342 	if(mtmp->mflee) appr = -1;
    343 	if(mtmp->mconf || Invis ||  !mtmp->mcansee ||
    344 		(index("BIy", msym) && !rn2(3)))
    345 		appr = 0;
    346 	omx = mtmp->mx;
    347 	omy = mtmp->my;
    348 	gx = u.ux;
    349 	gy = u.uy;
    350 	if(msym == 'L' && appr == 1 && mtmp->mgold > u.ugold)
    351 		appr = -1;
    352 
    353 	/* random criterion for 'smell' or track finding ability
    354 	   should use mtmp->msmell or sth
    355 	 */
    356 	if(msym == '@' ||
    357 	  ('a' <= msym && msym <= 'z')) {
    358 	extern coord *gettrack();
    359 	register coord *cp;
    360 	schar mroom;
    361 		mroom = inroom(omx,omy);
    362 		if(mroom < 0 || mroom != inroom(u.ux,u.uy)){
    363 		    cp = gettrack(omx,omy);
    364 		    if(cp){
    365 			gx = cp->x;
    366 			gy = cp->y;
    367 		    }
    368 		}
    369 	}
    370 
    371 	/* look for gold or jewels nearby */
    372 	likegold = (index("LOD", msym) != NULL);
    373 	likegems = (index("ODu", msym) != NULL);
    374 	likeobjs = mtmp->mhide;
    375 #define	SRCHRADIUS	25
    376 	{ xchar mind = SRCHRADIUS;		/* not too far away */
    377 	  register int dd;
    378 	  if(likegold){
    379 		register struct gold *gold;
    380 		for(gold = fgold; gold; gold = gold->ngold)
    381 		  if((dd = DIST(omx,omy,gold->gx,gold->gy)) < mind){
    382 		    mind = dd;
    383 		    gx = gold->gx;
    384 		    gy = gold->gy;
    385 		}
    386 	  }
    387 	  if(likegems || likeobjs){
    388 		register struct obj *otmp;
    389 		for(otmp = fobj; otmp; otmp = otmp->nobj)
    390 		if(likeobjs || otmp->olet == GEM_SYM)
    391 		if(msym != 'u' ||
    392 			objects[otmp->otyp].g_val != 0)
    393 		if((dd = DIST(omx,omy,otmp->ox,otmp->oy)) < mind){
    394 		    mind = dd;
    395 		    gx = otmp->ox;
    396 		    gy = otmp->oy;
    397 		}
    398 	  }
    399 	  if(mind < SRCHRADIUS && appr == -1) {
    400 		if(dist(omx,omy) < 10) {
    401 		    gx = u.ux;
    402 		    gy = u.uy;
    403 		} else
    404 		    appr = 1;
    405 	  }
    406 	}
    407 	nix = omx;
    408 	niy = omy;
    409 	cnt = mfndpos(mtmp,poss,info,
    410 		msym == 'u' ? NOTONL :
    411 		(msym == '@' || msym == '1') ? (ALLOW_SSM | ALLOW_TRAPS) :
    412 		index(UNDEAD, msym) ? NOGARLIC : ALLOW_TRAPS);
    413 		/* ALLOW_ROCK for some monsters ? */
    414 	chcnt = 0;
    415 	chi = -1;
    416 	for(i=0; i<cnt; i++) {
    417 		nx = poss[i].x;
    418 		ny = poss[i].y;
    419 		for(j=0; j<MTSZ && j<cnt-1; j++)
    420 			if(nx == mtmp->mtrack[j].x && ny == mtmp->mtrack[j].y)
    421 				if(rn2(4*(cnt-j))) goto nxti;
    422 #ifdef STUPID
    423 		/* some stupid compilers think that this is too complicated */
    424 		{ int d1 = DIST(nx,ny,gx,gy);
    425 		  int d2 = DIST(nix,niy,gx,gy);
    426 		  nearer = (d1 < d2);
    427 		}
    428 #else
    429 		nearer = (DIST(nx,ny,gx,gy) < DIST(nix,niy,gx,gy));
    430 #endif /* STUPID /**/
    431 		if((appr == 1 && nearer) || (appr == -1 && !nearer) ||
    432 			!mmoved ||
    433 			(!appr && !rn2(++chcnt))){
    434 			nix = nx;
    435 			niy = ny;
    436 			chi = i;
    437 			mmoved = 1;
    438 		}
    439 	nxti:	;
    440 	}
    441 	if(mmoved){
    442 		if(info[chi] & ALLOW_M){
    443 			mtmp2 = m_at(nix,niy);
    444 			if(hitmm(mtmp,mtmp2) == 1 && rn2(4) &&
    445 			  hitmm(mtmp2,mtmp) == 2) return(2);
    446 			return(0);
    447 		}
    448 		if(info[chi] & ALLOW_U){
    449 		  (void) hitu(mtmp, d(mtmp->data->damn, mtmp->data->damd)+1);
    450 		  return(0);
    451 		}
    452 		mtmp->mx = nix;
    453 		mtmp->my = niy;
    454 		for(j=MTSZ-1; j>0; j--) mtmp->mtrack[j] = mtmp->mtrack[j-1];
    455 		mtmp->mtrack[0].x = omx;
    456 		mtmp->mtrack[0].y = omy;
    457 #ifndef NOWORM
    458 		if(mtmp->wormno) worm_move(mtmp);
    459 #endif /* NOWORM /**/
    460 	} else {
    461 		if(msym == 'u' && rn2(2)){
    462 			rloc(mtmp);
    463 			return(0);
    464 		}
    465 #ifndef NOWORM
    466 		if(mtmp->wormno) worm_nomove(mtmp);
    467 #endif /* NOWORM /**/
    468 	}
    469 postmov:
    470 	if(mmoved == 1) {
    471 		if(mintrap(mtmp) == 2)	/* he died */
    472 			return(2);
    473 		if(likegold) mpickgold(mtmp);
    474 		if(likegems) mpickgems(mtmp);
    475 		if(mtmp->mhide) mtmp->mundetected = 1;
    476 	}
    477 	pmon(mtmp);
    478 	return(mmoved);
    479 }
    480 
    481 mpickgold(mtmp) register struct monst *mtmp; {
    482 register struct gold *gold;
    483 	while(gold = g_at(mtmp->mx, mtmp->my)){
    484 		mtmp->mgold += gold->amount;
    485 		freegold(gold);
    486 		if(levl[mtmp->mx][mtmp->my].scrsym == '$')
    487 			newsym(mtmp->mx, mtmp->my);
    488 	}
    489 }
    490 
    491 mpickgems(mtmp) register struct monst *mtmp; {
    492 register struct obj *otmp;
    493 	for(otmp = fobj; otmp; otmp = otmp->nobj)
    494 	if(otmp->olet == GEM_SYM)
    495 	if(otmp->ox == mtmp->mx && otmp->oy == mtmp->my)
    496 	if(mtmp->data->mlet != 'u' || objects[otmp->otyp].g_val != 0){
    497 		freeobj(otmp);
    498 		mpickobj(mtmp, otmp);
    499 		if(levl[mtmp->mx][mtmp->my].scrsym == GEM_SYM)
    500 			newsym(mtmp->mx, mtmp->my);	/* %% */
    501 		return;	/* pick only one object */
    502 	}
    503 }
    504 
    505 /* return number of acceptable neighbour positions */
    506 mfndpos(mon,poss,info,flag)
    507 register struct monst *mon;
    508 coord poss[9];
    509 int info[9], flag;
    510 {
    511 	register int x,y,nx,ny,cnt = 0,ntyp;
    512 	register struct monst *mtmp;
    513 	int nowtyp;
    514 	boolean pool;
    515 
    516 	x = mon->mx;
    517 	y = mon->my;
    518 	nowtyp = levl[x][y].typ;
    519 
    520 	pool = (mon->data->mlet == ';');
    521 nexttry:	/* eels prefer the water, but if there is no water nearby,
    522 		   they will crawl over land */
    523 	if(mon->mconf) {
    524 		flag |= ALLOW_ALL;
    525 		flag &= ~NOTONL;
    526 	}
    527 	for(nx = x-1; nx <= x+1; nx++) for(ny = y-1; ny <= y+1; ny++)
    528 	if(nx != x || ny != y) if(isok(nx,ny))
    529 	if(!IS_ROCK(ntyp = levl[nx][ny].typ))
    530 	if(!(nx != x && ny != y && (nowtyp == DOOR || ntyp == DOOR)))
    531 	if((ntyp == POOL) == pool) {
    532 		info[cnt] = 0;
    533 		if(nx == u.ux && ny == u.uy){
    534 			if(!(flag & ALLOW_U)) continue;
    535 			info[cnt] = ALLOW_U;
    536 		} else if(mtmp = m_at(nx,ny)){
    537 			if(!(flag & ALLOW_M)) continue;
    538 			info[cnt] = ALLOW_M;
    539 			if(mtmp->mtame){
    540 				if(!(flag & ALLOW_TM)) continue;
    541 				info[cnt] |= ALLOW_TM;
    542 			}
    543 		}
    544 		if(sobj_at(CLOVE_OF_GARLIC, nx, ny)) {
    545 			if(flag & NOGARLIC) continue;
    546 			info[cnt] |= NOGARLIC;
    547 		}
    548 		if(sobj_at(SCR_SCARE_MONSTER, nx, ny) ||
    549 		   (!mon->mpeaceful && sengr_at("Elbereth", nx, ny))) {
    550 			if(!(flag & ALLOW_SSM)) continue;
    551 			info[cnt] |= ALLOW_SSM;
    552 		}
    553 		if(sobj_at(ENORMOUS_ROCK, nx, ny)) {
    554 			if(!(flag & ALLOW_ROCK)) continue;
    555 			info[cnt] |= ALLOW_ROCK;
    556 		}
    557 		if(!Invis && online(nx,ny)){
    558 			if(flag & NOTONL) continue;
    559 			info[cnt] |= NOTONL;
    560 		}
    561 		/* we cannot avoid traps of an unknown kind */
    562 		{ register struct trap *ttmp = t_at(nx, ny);
    563 		  register int tt;
    564 			if(ttmp) {
    565 				tt = 1 << ttmp->ttyp;
    566 				if(mon->mtrapseen & tt){
    567 					if(!(flag & tt)) continue;
    568 					info[cnt] |= tt;
    569 				}
    570 			}
    571 		}
    572 		poss[cnt].x = nx;
    573 		poss[cnt].y = ny;
    574 		cnt++;
    575 	}
    576 	if(!cnt && pool && nowtyp != POOL) {
    577 		pool = FALSE;
    578 		goto nexttry;
    579 	}
    580 	return(cnt);
    581 }
    582 
    583 dist(x,y) int x,y; {
    584 	return((x-u.ux)*(x-u.ux) + (y-u.uy)*(y-u.uy));
    585 }
    586 
    587 poisoned(string, pname)
    588 register char *string, *pname;
    589 {
    590 	register int i;
    591 
    592 	if(Blind) pline("It was poisoned.");
    593 	else pline("The %s was poisoned!",string);
    594 	if(Poison_resistance) {
    595 		pline("The poison doesn't seem to affect you.");
    596 		return;
    597 	}
    598 	i = rn2(10);
    599 	if(i == 0) {
    600 		u.uhp = -1;
    601 		pline("I am afraid the poison was deadly ...");
    602 	} else if(i <= 5) {
    603 		losestr(rn1(3,3));
    604 	} else {
    605 		losehp(rn1(10,6), pname);
    606 	}
    607 	if(u.uhp < 1) {
    608 		killer = pname;
    609 		done("died");
    610 	}
    611 }
    612 
    613 mondead(mtmp)
    614 register struct monst *mtmp;
    615 {
    616 	relobj(mtmp,1);
    617 	unpmon(mtmp);
    618 	relmon(mtmp);
    619 	unstuck(mtmp);
    620 	if(mtmp->isshk) shkdead(mtmp);
    621 	if(mtmp->isgd) gddead();
    622 #ifndef NOWORM
    623 	if(mtmp->wormno) wormdead(mtmp);
    624 #endif
    625 	monfree(mtmp);
    626 }
    627 
    628 /* called when monster is moved to larger structure */
    629 replmon(mtmp,mtmp2)
    630 register struct monst *mtmp, *mtmp2;
    631 {
    632 	relmon(mtmp);
    633 	monfree(mtmp);
    634 	mtmp2->nmon = fmon;
    635 	fmon = mtmp2;
    636 	if(u.ustuck == mtmp) u.ustuck = mtmp2;
    637 	if(mtmp2->isshk) replshk(mtmp,mtmp2);
    638 	if(mtmp2->isgd) replgd(mtmp,mtmp2);
    639 }
    640 
    641 relmon(mon)
    642 register struct monst *mon;
    643 {
    644 	register struct monst *mtmp;
    645 
    646 	if(mon == fmon) fmon = fmon->nmon;
    647 	else {
    648 		for(mtmp = fmon; mtmp->nmon != mon; mtmp = mtmp->nmon) ;
    649 		mtmp->nmon = mon->nmon;
    650 	}
    651 }
    652 
    653 /* we do not free monsters immediately, in order to have their name
    654    available shortly after their demise */
    655 struct monst *fdmon;	/* chain of dead monsters, need not to be saved */
    656 
    657 monfree(mtmp) register struct monst *mtmp; {
    658 	mtmp->nmon = fdmon;
    659 	fdmon = mtmp;
    660 }
    661 
    662 dmonsfree(){
    663 register struct monst *mtmp;
    664 	while(mtmp = fdmon){
    665 		fdmon = mtmp->nmon;
    666 		free((char *) mtmp);
    667 	}
    668 }
    669 
    670 unstuck(mtmp)
    671 register struct monst *mtmp;
    672 {
    673 	if(u.ustuck == mtmp) {
    674 		if(u.uswallow){
    675 			u.ux = mtmp->mx;
    676 			u.uy = mtmp->my;
    677 			u.uswallow = 0;
    678 			setsee();
    679 			docrt();
    680 		}
    681 		u.ustuck = 0;
    682 	}
    683 }
    684 
    685 killed(mtmp)
    686 register struct monst *mtmp;
    687 {
    688 #ifdef lint
    689 #define	NEW_SCORING
    690 #endif /* lint /**/
    691 	register int tmp,tmp2,nk,x,y;
    692 	register struct permonst *mdat = mtmp->data;
    693 	extern long newuexp();
    694 
    695 	if(mtmp->cham) mdat = PM_CHAMELEON;
    696 	if(Blind) pline("You destroy it!");
    697 	else {
    698 		pline("You destroy %s!",
    699 			mtmp->mtame ? amonnam(mtmp, "poor") : monnam(mtmp));
    700 	}
    701 	if(u.umconf) {
    702 		if(!Blind) pline("Your hands stop glowing blue.");
    703 		u.umconf = 0;
    704 	}
    705 
    706 	/* count killed monsters */
    707 #define	MAXMONNO	100
    708 	nk = 1;		      /* in case we cannot find it in mons */
    709 	tmp = mdat - mons;    /* index in mons array (if not 'd', '@', ...) */
    710 	if(tmp >= 0 && tmp < CMNUM+2) {
    711 	    extern char fut_geno[];
    712 	    u.nr_killed[tmp]++;
    713 	    if((nk = u.nr_killed[tmp]) > MAXMONNO &&
    714 		!index(fut_geno, mdat->mlet))
    715 		    charcat(fut_geno,  mdat->mlet);
    716 	}
    717 
    718 	/* punish bad behaviour */
    719 	if(mdat->mlet == '@') Telepat = 0, u.uluck -= 2;
    720 	if(mtmp->mpeaceful || mtmp->mtame) u.uluck--;
    721 	if(mdat->mlet == 'u') u.uluck -= 5;
    722 	if((int)u.uluck < LUCKMIN) u.uluck = LUCKMIN;
    723 
    724 	/* give experience points */
    725 	tmp = 1 + mdat->mlevel * mdat->mlevel;
    726 	if(mdat->ac < 3) tmp += 2*(7 - mdat->ac);
    727 	if(index("AcsSDXaeRTVWU&In:P", mdat->mlet))
    728 		tmp += 2*mdat->mlevel;
    729 	if(index("DeV&P",mdat->mlet)) tmp += (7*mdat->mlevel);
    730 	if(mdat->mlevel > 6) tmp += 50;
    731 	if(mdat->mlet == ';') tmp += 1000;
    732 
    733 #ifdef NEW_SCORING
    734 	/* ------- recent addition: make nr of points decrease
    735 		   when this is not the first of this kind */
    736 	{ int ul = u.ulevel;
    737 	  int ml = mdat->mlevel;
    738 
    739 	if(ul < 14)    /* points are given based on present and future level */
    740 	    for(tmp2 = 0; !tmp2 || ul + tmp2 <= ml; tmp2++)
    741 		if(u.uexp + 1 + (tmp + ((tmp2 <= 0) ? 0 : 4<<(tmp2-1)))/nk
    742 		    >= 10*pow((unsigned)(ul-1)))
    743 			if(++ul == 14) break;
    744 
    745 	tmp2 = ml - ul -1;
    746 	tmp = (tmp + ((tmp2 < 0) ? 0 : 4<<tmp2))/nk;
    747 	if(!tmp) tmp = 1;
    748 	}
    749 	/* note: ul is not necessarily the future value of u.ulevel */
    750 	/* ------- end of recent valuation change ------- */
    751 #endif /* NEW_SCORING /**/
    752 
    753 	more_experienced(tmp,0);
    754 	flags.botl = 1;
    755 	while(u.ulevel < 14 && u.uexp >= newuexp()){
    756 		pline("Welcome to experience level %u.", ++u.ulevel);
    757 		tmp = rnd(10);
    758 		if(tmp < 3) tmp = rnd(10);
    759 		u.uhpmax += tmp;
    760 		u.uhp += tmp;
    761 		flags.botl = 1;
    762 	}
    763 
    764 	/* dispose of monster and make cadaver */
    765 	x = mtmp->mx;	y = mtmp->my;
    766 	mondead(mtmp);
    767 	tmp = mdat->mlet;
    768 	if(tmp == 'm') { /* he killed a minotaur, give him a wand of digging */
    769 			/* note: the dead minotaur will be on top of it! */
    770 		mksobj_at(WAN_DIGGING, x, y);
    771 		/* if(cansee(x,y)) atl(x,y,fobj->olet); */
    772 		stackobj(fobj);
    773 	} else
    774 #ifndef NOWORM
    775 	if(tmp == 'w') {
    776 		mksobj_at(WORM_TOOTH, x, y);
    777 		stackobj(fobj);
    778 	} else
    779 #endif
    780 	if(!letter(tmp) || (!index("mw", tmp) && !rn2(3))) tmp = 0;
    781 
    782 	if(ACCESSIBLE(levl[x][y].typ))	/* might be mimic in wall or dead eel*/
    783 	    if(x != u.ux || y != u.uy)	/* might be here after swallowed */
    784 		if(index("NTVm&",mdat->mlet) || rn2(5)) {
    785 		register struct obj *obj2 = mkobj_at(tmp,x,y);
    786 		if(cansee(x,y))
    787 			atl(x,y,obj2->olet);
    788 		stackobj(obj2);
    789 	}
    790 }
    791 
    792 kludge(str,arg)
    793 register char *str,*arg;
    794 {
    795 	if(Blind) {
    796 		if(*str == '%') pline(str,"It");
    797 		else pline(str,"it");
    798 	} else pline(str,arg);
    799 }
    800 
    801 rescham()	/* force all chameleons to become normal */
    802 {
    803 	register struct monst *mtmp;
    804 
    805 	for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
    806 		if(mtmp->cham) {
    807 			mtmp->cham = 0;
    808 			(void) newcham(mtmp, PM_CHAMELEON);
    809 		}
    810 }
    811 
    812 #ifdef DGK
    813 /* Let the chameleons change again -dgk */
    814 restartcham()
    815 {
    816 	register struct monst *mtmp;
    817 
    818 	for (mtmp = fmon; mtmp; mtmp = mtmp->nmon)
    819 		if (mtmp->data->mlet == ':') 
    820 			mtmp->cham = 1;
    821 }
    822 #endif
    823 
    824 newcham(mtmp,mdat)	/* make a chameleon look like a new monster */
    825 			/* returns 1 if the monster actually changed */
    826 register struct monst *mtmp;
    827 register struct permonst *mdat;
    828 {
    829 	register mhp, hpn, hpd;
    830 
    831 	if(mdat == mtmp->data) return(0);	/* still the same monster */
    832 #ifndef NOWORM
    833 	if(mtmp->wormno) wormdead(mtmp);	/* throw tail away */
    834 #endif
    835 	hpn = mtmp->mhp;
    836 	hpd = (mtmp->data->mlevel)*8;
    837 	if(!hpd) hpd = 4;
    838 	mtmp->data = mdat;
    839 	mhp = (mdat->mlevel)*8;
    840 	/* new hp: same fraction of max as before */
    841 	mtmp->mhp = 2 + (hpn*mhp)/hpd;
    842 	hpn = mtmp->mhpmax;
    843 	mtmp->mhpmax = 2 + (hpn*mhp)/hpd;
    844 	mtmp->minvis = (mdat->mlet == 'I') ? 1 : 0;
    845 #ifdef DGK
    846 	/* only snakes and scorpions can hide under things -dgk */
    847 	mtmp->mhide = (mdat->mlet == 'S' || mdat->mlet == 's') ? 1 : 0;
    848 	if (!mtmp->mhide)
    849 		mtmp->mundetected = 0;
    850 #endif
    851 #ifndef NOWORM
    852 	if(mdat->mlet == 'w' && getwn(mtmp)) initworm(mtmp);
    853 			/* perhaps we should clear mtmp->mtame here? */
    854 #endif
    855 	unpmon(mtmp);	/* necessary for 'I' and to force pmon */
    856 	pmon(mtmp);
    857 	return(1);
    858 }
    859 
    860 mnexto(mtmp)	/* Make monster mtmp next to you (if possible) */
    861 struct monst *mtmp;
    862 {
    863 	extern coord enexto();
    864 	coord mm;
    865 	mm = enexto(u.ux, u.uy);
    866 	mtmp->mx = mm.x;
    867 	mtmp->my = mm.y;
    868 	pmon(mtmp);
    869 }
    870 
    871 ishuman(mtmp) register struct monst *mtmp; {
    872 	return(mtmp->data->mlet == '@');
    873 }
    874 
    875 setmangry(mtmp) register struct monst *mtmp; {
    876 	if(!mtmp->mpeaceful) return;
    877 	if(mtmp->mtame) return;
    878 	mtmp->mpeaceful = 0;
    879 	if(ishuman(mtmp)) pline("%s gets angry!", Monnam(mtmp));
    880 }
    881 
    882 /* not one hundred procent correct: now a snake may hide under an
    883    invisible object */
    884 canseemon(mtmp)
    885 register struct monst *mtmp;
    886 {
    887 	return((!mtmp->minvis || See_invisible)
    888 		&& (!mtmp->mhide || !o_at(mtmp->mx,mtmp->my))
    889 		&& cansee(mtmp->mx, mtmp->my));
    890 }