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Source:NetHack 3.4.0/mhitm.c

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Below is the full text to mhitm.c from the source code of NetHack 3.4.0. To link to a particular line, write [[NetHack 3.4.0/mhitm.c#line123]], for example.

Warning! This is the source code from an old release. For the latest release, see Source code

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1.    /*	SCCS Id: @(#)mhitm.c	3.4	2002/02/17	*/
2.    /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
3.    /* NetHack may be freely redistributed.  See license for details. */
4.    
5.    #include "hack.h"
6.    #include "artifact.h"
7.    #include "edog.h"
8.    
9.    extern boolean notonhead;
10.   
11.   #ifdef OVLB
12.   
13.   static NEARDATA boolean vis, far_noise;
14.   static NEARDATA long noisetime;
15.   static NEARDATA struct obj *otmp;
16.   
17.   static const char brief_feeling[] =
18.   	"have a %s feeling for a moment, then it passes.";
19.   
20.   STATIC_DCL char *FDECL(mon_nam_too, (char *,struct monst *,struct monst *));
21.   STATIC_DCL void FDECL(mrustm, (struct monst *, struct monst *, struct obj *));
22.   STATIC_DCL int FDECL(hitmm, (struct monst *,struct monst *,struct attack *));
23.   STATIC_DCL int FDECL(gazemm, (struct monst *,struct monst *,struct attack *));
24.   STATIC_DCL int FDECL(gulpmm, (struct monst *,struct monst *,struct attack *));
25.   STATIC_DCL int FDECL(explmm, (struct monst *,struct monst *,struct attack *));
26.   STATIC_DCL int FDECL(mdamagem, (struct monst *,struct monst *,struct attack *));
27.   STATIC_DCL void FDECL(mswingsm, (struct monst *, struct monst *, struct obj *));
28.   STATIC_DCL void FDECL(noises,(struct monst *,struct attack *));
29.   STATIC_DCL void FDECL(missmm,(struct monst *,struct monst *,struct attack *));
30.   STATIC_DCL int FDECL(passivemm, (struct monst *, struct monst *, BOOLEAN_P, int));
31.   
32.   /* Needed for the special case of monsters wielding vorpal blades (rare).
33.    * If we use this a lot it should probably be a parameter to mdamagem()
34.    * instead of a global variable.
35.    */
36.   static int dieroll;
37.   
38.   /* returns mon_nam(mon) relative to other_mon; normal name unless they're
39.      the same, in which case the reference is to {him|her|it} self */
40.   STATIC_OVL char *
41.   mon_nam_too(outbuf, mon, other_mon)
42.   char *outbuf;
43.   struct monst *mon, *other_mon;
44.   {
45.   	Strcpy(outbuf, mon_nam(mon));
46.   	if (mon == other_mon)
47.   	    switch (pronoun_gender(mon)) {
48.   	    case 0:	Strcpy(outbuf, "himself");  break;
49.   	    case 1:	Strcpy(outbuf, "herself");  break;
50.   	    default:	Strcpy(outbuf, "itself"); break;
51.   	    }
52.   	return outbuf;
53.   }
54.   
55.   STATIC_OVL void
56.   noises(magr, mattk)
57.   	register struct monst *magr;
58.   	register struct	attack *mattk;
59.   {
60.   	boolean farq = (distu(magr->mx, magr->my) > 15);
61.   
62.   	if(flags.soundok && (farq != far_noise || moves-noisetime > 10)) {
63.   		far_noise = farq;
64.   		noisetime = moves;
65.   		You_hear("%s%s.",
66.   			(mattk->aatyp == AT_EXPL) ? "an explosion" : "some noises",
67.   			farq ? " in the distance" : "");
68.   	}
69.   }
70.   
71.   STATIC_OVL
72.   void
73.   missmm(magr, mdef, mattk)
74.   	register struct monst *magr, *mdef;
75.   	struct attack *mattk;
76.   {
77.   	const char *fmt;
78.   	char buf[BUFSZ], mdef_name[BUFSZ];
79.   
80.   	if (vis) {
81.   		if (!canspotmon(mdef))
82.   		    map_invisible(mdef->mx, mdef->my);
83.   		if (mdef->m_ap_type) seemimic(mdef);
84.   		if (magr->m_ap_type) seemimic(magr);
85.   		fmt = (could_seduce(magr,mdef,mattk) && !magr->mcan) ?
86.   			"%s pretends to be friendly to" : "%s misses";
87.   		Sprintf(buf, fmt, Monnam(magr));
88.   		pline("%s %s.", buf, mon_nam_too(mdef_name, mdef, magr));
89.   	} else  noises(magr, mattk);
90.   }
91.   
92.   /*
93.    *  fightm()  -- fight some other monster
94.    *
95.    *  Returns:
96.    *	0 - Monster did nothing.
97.    *	1 - If the monster made an attack.  The monster might have died.
98.    *
99.    *  There is an exception to the above.  If mtmp has the hero swallowed,
100.   *  then we report that the monster did nothing so it will continue to
101.   *  digest the hero.
102.   */
103.  int
104.  fightm(mtmp)		/* have monsters fight each other */
105.  	register struct monst *mtmp;
106.  {
107.  	register struct monst *mon, *nmon;
108.  	int result, has_u_swallowed;
109.  #ifdef LINT
110.  	nmon = 0;
111.  #endif
112.  	/* perhaps the monster will resist Conflict */
113.  	if(resist(mtmp, RING_CLASS, 0, 0))
114.  	    return(0);
115.  
116.  	if(u.ustuck == mtmp) {
117.  	    /* perhaps we're holding it... */
118.  	    if(itsstuck(mtmp))
119.  		return(0);
120.  	}
121.  	has_u_swallowed = (u.uswallow && (mtmp == u.ustuck));
122.  
123.  	for(mon = fmon; mon; mon = nmon) {
124.  	    nmon = mon->nmon;
125.  	    if(nmon == mtmp) nmon = mtmp->nmon;
126.  	    /* Be careful to ignore monsters that are already dead, since we
127.  	     * might be calling this before we've cleaned them up.  This can
128.  	     * happen if the monster attacked a cockatrice bare-handedly, for
129.  	     * instance.
130.  	     */
131.  	    if(mon != mtmp && !DEADMONSTER(mon)) {
132.  		if(monnear(mtmp,mon->mx,mon->my)) {
133.  		    if(!u.uswallow && (mtmp == u.ustuck)) {
134.  			if(!rn2(4)) {
135.  			    pline("%s releases you!", Monnam(mtmp));
136.  			    u.ustuck = 0;
137.  			} else
138.  			    break;
139.  		    }
140.  
141.  		    /* mtmp can be killed */
142.  		    bhitpos.x = mon->mx;
143.  		    bhitpos.y = mon->my;
144.  		    notonhead = 0;
145.  		    result = mattackm(mtmp,mon);
146.  
147.  		    if (result & MM_AGR_DIED) return 1;	/* mtmp died */
148.  		    /*
149.  		     *  If mtmp has the hero swallowed, lie and say there
150.  		     *  was no attack (this allows mtmp to digest the hero).
151.  		     */
152.  		    if (has_u_swallowed) return 0;
153.  
154.  		    return ((result & MM_HIT) ? 1 : 0);
155.  		}
156.  	    }
157.  	}
158.  	return 0;
159.  }
160.  
161.  /*
162.   * mattackm() -- a monster attacks another monster.
163.   *
164.   * This function returns a result bitfield:
165.   *
166.   *	    --------- aggressor died
167.   *	   /  ------- defender died
168.   *	  /  /  ----- defender was hit
169.   *	 /  /  /
170.   *	x  x  x
171.   *
172.   *	0x4	MM_AGR_DIED
173.   *	0x2	MM_DEF_DIED
174.   *	0x1	MM_HIT
175.   *	0x0	MM_MISS
176.   *
177.   * Each successive attack has a lower probability of hitting.  Some rely on the
178.   * success of previous attacks.  ** this doen't seem to be implemented -dl **
179.   *
180.   * In the case of exploding monsters, the monster dies as well.
181.   */
182.  int
183.  mattackm(magr, mdef)
184.      register struct monst *magr,*mdef;
185.  {
186.      int		    i,		/* loop counter */
187.  		    tmp,	/* amour class difference */
188.  		    strike,	/* hit this attack */
189.  		    attk,	/* attack attempted this time */
190.  		    struck = 0,	/* hit at least once */
191.  		    res[NATTK];	/* results of all attacks */
192.      struct attack   *mattk, alt_attk;
193.      struct permonst *pa, *pd;
194.  
195.      if (!magr || !mdef) return(MM_MISS);		/* mike@genat */
196.      if (!magr->mcanmove) return(MM_MISS);		/* riv05!a3 */
197.      pa = magr->data;  pd = mdef->data;
198.  
199.      /* Grid bugs cannot attack at an angle. */
200.      if (pa == &mons[PM_GRID_BUG] && magr->mx != mdef->mx
201.  						&& magr->my != mdef->my)
202.  	return(MM_MISS);
203.  
204.      /* Calculate the armour class differential. */
205.      tmp = find_mac(mdef) + magr->m_lev;
206.      if (mdef->mconf || !mdef->mcanmove || mdef->msleeping) {
207.  	tmp += 4;
208.  	mdef->msleeping = 0;
209.      }
210.  
211.      /* undetect monsters become un-hidden if they are attacked */
212.      if (mdef->mundetected) {
213.  	mdef->mundetected = 0;
214.  	newsym(mdef->mx, mdef->my);
215.  	if(canseemon(mdef) && !sensemon(mdef))
216.  	    pline("Suddenly, you notice %s.", a_monnam(mdef));
217.      }
218.  
219.      /* Elves hate orcs. */
220.      if (is_elf(pa) && is_orc(pd)) tmp++;
221.  
222.  
223.      /* Set up the visibility of action */
224.      vis = (cansee(magr->mx,magr->my) && cansee(mdef->mx,mdef->my));
225.  
226.      /*	Set flag indicating monster has moved this turn.  Necessary since a
227.       *	monster might get an attack out of sequence (i.e. before its move) in
228.       *	some cases, in which case this still counts as its move for the round
229.       *	and it shouldn't move again.
230.       */
231.      magr->mlstmv = monstermoves;
232.  
233.      /* Now perform all attacks for the monster. */
234.      for (i = 0; i < NATTK; i++) {
235.  	res[i] = MM_MISS;
236.  	mattk = getmattk(pa, i, res, &alt_attk);
237.  	otmp = (struct obj *)0;
238.  	attk = 1;
239.  	switch (mattk->aatyp) {
240.  	    case AT_WEAP:		/* "hand to hand" attacks */
241.  		if (magr->weapon_check == NEED_WEAPON || !MON_WEP(magr)) {
242.  		    magr->weapon_check = NEED_HTH_WEAPON;
243.  		    if (mon_wield_item(magr) != 0) return 0;
244.  		}
245.  		possibly_unwield(magr);
246.  		otmp = MON_WEP(magr);
247.  
248.  		if (otmp) {
249.  		    if (vis) mswingsm(magr, mdef, otmp);
250.  		    tmp += hitval(otmp, mdef);
251.  		}
252.  		/* fall through */
253.  	    case AT_CLAW:
254.  	    case AT_KICK:
255.  	    case AT_BITE:
256.  	    case AT_STNG:
257.  	    case AT_TUCH:
258.  	    case AT_BUTT:
259.  	    case AT_TENT:
260.  		/* Nymph that teleported away on first attack? */
261.  		if (distmin(magr->mx,magr->my,mdef->mx,mdef->my) > 1)
262.  		    return MM_MISS;
263.  		/* Monsters won't attack cockatrices physically if they
264.  		 * have a weapon instead.  This instinct doesn't work for
265.  		 * players, or under conflict or confusion. 
266.  		 */
267.  		if (!magr->mconf && !Conflict && otmp &&
268.  		    mattk->aatyp != AT_WEAP && touch_petrifies(mdef->data)) {
269.  		    strike = 0;
270.  		    break;
271.  		}
272.  		dieroll = rnd(20 + i);
273.  		strike = (tmp > dieroll);
274.  		/* KMH -- don't accumulate to-hit bonuses */
275.  		if (otmp)
276.  		    tmp -= hitval(otmp, mdef);
277.  		if (strike) {
278.  		    res[i] = hitmm(magr, mdef, mattk);
279.  		    if((mdef->data == &mons[PM_BLACK_PUDDING] || mdef->data == &mons[PM_BROWN_PUDDING])
280.  		       && otmp && objects[otmp->otyp].oc_material == IRON
281.  		       && mdef->mhp > 1 && !mdef->mcan)
282.  		    {
283.  			if (clone_mon(mdef)) {
284.  			    if (vis) {
285.  				char buf[BUFSZ];
286.  
287.  				Strcpy(buf, Monnam(mdef));
288.  				pline("%s divides as %s hits it!", buf, mon_nam(magr));
289.  			    }
290.  			}
291.  		    }
292.  		} else
293.  		    missmm(magr, mdef, mattk);
294.  		break;
295.  
296.  	    case AT_HUGS:	/* automatic if prev two attacks succeed */
297.  		strike = (i >= 2 && res[i-1] == MM_HIT && res[i-2] == MM_HIT);
298.  		if (strike)
299.  		    res[i] = hitmm(magr, mdef, mattk);
300.  
301.  		break;
302.  
303.  	    case AT_GAZE:
304.  		strike = 0;	/* will not wake up a sleeper */
305.  		res[i] = gazemm(magr, mdef, mattk);
306.  		break;
307.  
308.  	    case AT_EXPL:
309.  		strike = 1;	/* automatic hit */
310.  		res[i] = explmm(magr, mdef, mattk);
311.  		break;
312.  
313.  	    case AT_ENGL:
314.  #ifdef STEED
315.  		if (u.usteed && (mdef == u.usteed)) {
316.  		    strike = 0;
317.  		    break;
318.  		} 
319.  #endif
320.  		/* Engulfing attacks are directed at the hero if
321.  		 * possible. -dlc
322.  		 */
323.  		if (u.uswallow && magr == u.ustuck)
324.  		    strike = 0;
325.  		else {
326.  		    if ((strike = (tmp > rnd(20+i))))
327.  			res[i] = gulpmm(magr, mdef, mattk);
328.  		    else
329.  			missmm(magr, mdef, mattk);
330.  		}
331.  		break;
332.  
333.  	    default:		/* no attack */
334.  		strike = 0;
335.  		attk = 0;
336.  		break;
337.  	}
338.  
339.  	if (attk && !(res[i] & MM_AGR_DIED))
340.  	    res[i] = passivemm(magr, mdef, strike, res[i] & MM_DEF_DIED);
341.  
342.  	if (res[i] & MM_DEF_DIED) return res[i];
343.  
344.  	/*
345.  	 *  Wake up the defender.  NOTE:  this must follow the check
346.  	 *  to see if the defender died.  We don't want to modify
347.  	 *  unallocated monsters!
348.  	 */
349.  	if (strike) mdef->msleeping = 0;
350.  
351.  	if (res[i] & MM_AGR_DIED)  return res[i];
352.  	/* return if aggressor can no longer attack */
353.  	if (!magr->mcanmove || magr->msleeping) return res[i];
354.  	if (res[i] & MM_HIT) struck = 1;	/* at least one hit */
355.      }
356.  
357.      return(struck ? MM_HIT : MM_MISS);
358.  }
359.  
360.  /* Returns the result of mdamagem(). */
361.  STATIC_OVL int
362.  hitmm(magr, mdef, mattk)
363.  	register struct monst *magr,*mdef;
364.  	struct	attack *mattk;
365.  {
366.  	if(vis){
367.  		int compat;
368.  		char buf[BUFSZ], mdef_name[BUFSZ];
369.  
370.  		if (!canspotmon(mdef))
371.  		    map_invisible(mdef->mx, mdef->my);
372.  		if(mdef->m_ap_type) seemimic(mdef);
373.  		if(magr->m_ap_type) seemimic(magr);
374.  		if((compat = could_seduce(magr,mdef,mattk)) && !magr->mcan) {
375.  			Sprintf(buf, "%s %s", Monnam(magr),
376.  				mdef->mcansee ? "smiles at" : "talks to");
377.  			pline("%s %s %s.", buf, mon_nam(mdef),
378.  				compat == 2 ?
379.  					"engagingly" : "seductively");
380.  		} else {
381.  		    char magr_name[BUFSZ];
382.  
383.  		    Strcpy(magr_name, Monnam(magr));
384.  		    switch (mattk->aatyp) {
385.  			case AT_BITE:
386.  				Sprintf(buf,"%s bites", magr_name);
387.  				break;
388.  			case AT_STNG:
389.  				Sprintf(buf,"%s stings", magr_name);
390.  				break;
391.  			case AT_BUTT:
392.  				Sprintf(buf,"%s butts", magr_name);
393.  				break;
394.  			case AT_TUCH:
395.  				Sprintf(buf,"%s touches", magr_name);
396.  				break;
397.  			case AT_TENT:
398.  				Sprintf(buf, "%s tentacles suck",
399.  					s_suffix(magr_name));
400.  				break;
401.  			case AT_HUGS:
402.  				if (magr != u.ustuck) {
403.  				    Sprintf(buf,"%s squeezes", magr_name);
404.  				    break;
405.  				}
406.  			default:
407.  				Sprintf(buf,"%s hits", magr_name);
408.  		    }
409.  		    pline("%s %s.", buf, mon_nam_too(mdef_name, mdef, magr));
410.  		}
411.  	} else  noises(magr, mattk);
412.  	return(mdamagem(magr, mdef, mattk));
413.  }
414.  
415.  /* Returns the same values as mdamagem(). */
416.  STATIC_OVL int
417.  gazemm(magr, mdef, mattk)
418.  	register struct monst *magr, *mdef;
419.  	struct attack *mattk;
420.  {
421.  	char buf[BUFSZ];
422.  
423.  	if(vis) {
424.  		Sprintf(buf,"%s gazes at", Monnam(magr));
425.  		pline("%s %s...", buf, mon_nam(mdef));
426.  	}
427.  
428.  	if (magr->mcan || !magr->mcansee ||
429.  	    (magr->minvis && !perceives(mdef->data)) ||
430.  	    !mdef->mcansee || mdef->msleeping) {
431.  	    if(vis) pline("but nothing happens.");
432.  	    return(MM_MISS);
433.  	}
434.  	/* call mon_reflects 2x, first test, then, if visible, print message */
435.  	if (magr->data == &mons[PM_MEDUSA] && mon_reflects(mdef, (char *)0)) {
436.  	    if (canseemon(mdef))
437.  		(void) mon_reflects(mdef,
438.  				    "The gaze is reflected away by %s %s.");
439.  	    if (mdef->mcansee) {
440.  		if (mon_reflects(magr, (char *)0)) {
441.  		    if (canseemon(magr))
442.  			(void) mon_reflects(magr,
443.  					"The gaze is reflected away by %s %s.");
444.  		    return (MM_MISS);
445.  		}
446.  		if (mdef->minvis && !perceives(magr->data)) {
447.  		    if (canseemon(magr)) {
448.  			pline("%s doesn't seem to notice that %s gaze was reflected.",
449.  			      Monnam(magr), mhis(magr));
450.  		    }
451.  		    return (MM_MISS);
452.  		}
453.  		if (canseemon(magr))
454.  		    pline("%s is turned to stone!", Monnam(magr));
455.  		monstone(magr);
456.  		if (magr->mhp > 0) return (MM_MISS);
457.  		return (MM_AGR_DIED);
458.  	    }
459.  	}
460.  
461.  	return(mdamagem(magr, mdef, mattk));
462.  }
463.  
464.  /* Returns the same values as mattackm(). */
465.  STATIC_OVL int
466.  gulpmm(magr, mdef, mattk)
467.  	register struct monst *magr, *mdef;
468.  	register struct	attack *mattk;
469.  {
470.  	xchar	ax, ay, dx, dy;
471.  	int	status;
472.  	char buf[BUFSZ];
473.  	struct obj *obj;
474.  
475.  	if (mdef->data->msize >= MZ_HUGE) return MM_MISS;
476.  
477.  	if (vis) {
478.  		Sprintf(buf,"%s swallows", Monnam(magr));
479.  		pline("%s %s.", buf, mon_nam(mdef));
480.  	}
481.  	for (obj = mdef->minvent; obj; obj = obj->nobj)
482.  	    (void) snuff_lit(obj);
483.  
484.  	/*
485.  	 *  All of this maniuplation is needed to keep the display correct.
486.  	 *  There is a flush at the next pline().
487.  	 */
488.  	ax = magr->mx;
489.  	ay = magr->my;
490.  	dx = mdef->mx;
491.  	dy = mdef->my;
492.  	/*
493.  	 *  Leave the defender in the monster chain at it's current position,
494.  	 *  but don't leave it on the screen.  Move the agressor to the def-
495.  	 *  ender's position.
496.  	 */
497.  	remove_monster(ax, ay);
498.  	place_monster(magr, dx, dy);
499.  	newsym(ax,ay);			/* erase old position */
500.  	newsym(dx,dy);			/* update new position */
501.  
502.  	status = mdamagem(magr, mdef, mattk);
503.  
504.  	if ((status & MM_AGR_DIED) && (status & MM_DEF_DIED)) {
505.  	    ;					/* both died -- do nothing  */
506.  	}
507.  	else if (status & MM_DEF_DIED) {	/* defender died */
508.  	    /*
509.  	     *  Note:  remove_monster() was called in relmon(), wiping out
510.  	     *  magr from level.monsters[mdef->mx][mdef->my].  We need to
511.  	     *  put it back and display it.	-kd
512.  	     */
513.  	    place_monster(magr, dx, dy);
514.  	    newsym(dx, dy);
515.  	}
516.  	else if (status & MM_AGR_DIED) {	/* agressor died */
517.  	    place_monster(mdef, dx, dy);
518.  	    newsym(dx, dy);
519.  	}
520.  	else {					/* both alive, put them back */
521.  	    if (cansee(dx, dy))
522.  		pline("%s is regurgitated!", Monnam(mdef));
523.  
524.  	    place_monster(magr, ax, ay);
525.  	    place_monster(mdef, dx, dy);
526.  	    newsym(ax, ay);
527.  	    newsym(dx, dy);
528.  	}
529.  
530.  	return status;
531.  }
532.  
533.  STATIC_OVL int
534.  explmm(magr, mdef, mattk)
535.  	register struct monst *magr, *mdef;
536.  	register struct	attack *mattk;
537.  {
538.  	int result;
539.  
540.  	if(cansee(magr->mx, magr->my))
541.  		pline("%s explodes!", Monnam(magr));
542.  	else	noises(magr, mattk);
543.  
544.  	result = mdamagem(magr, mdef, mattk);
545.  
546.  	/* Kill off agressor if it didn't die. */
547.  	if (!(result & MM_AGR_DIED)) {
548.  	    mondead(magr);
549.  	    if (magr->mhp > 0) return result;	/* life saved */
550.  	    result |= MM_AGR_DIED;
551.  	}
552.  	if (magr->mtame)	/* give this one even if it was visible */
553.  	    You(brief_feeling, "melancholy");
554.  
555.  	return result;
556.  }
557.  
558.  /*
559.   *  See comment at top of mattackm(), for return values.
560.   */
561.  STATIC_OVL int
562.  mdamagem(magr, mdef, mattk)
563.  	register struct monst	*magr, *mdef;
564.  	register struct attack	*mattk;
565.  {
566.  	struct	permonst *pa = magr->data, *pd = mdef->data;
567.  	int	tmp = d((int)mattk->damn,(int)mattk->damd);
568.  	struct obj *obj;
569.  	char buf[BUFSZ];
570.  	int protector =
571.  	    mattk->aatyp == AT_TENT ? 0 :
572.  	    mattk->aatyp == AT_KICK ? W_ARMF : W_ARMG;
573.  	int num;
574.  
575.  	if (touch_petrifies(pd) && !resists_ston(magr) &&
576.  	   (mattk->aatyp != AT_WEAP || !otmp) &&
577.  	   (mattk->aatyp != AT_GAZE && mattk->aatyp != AT_EXPL) &&
578.  	   !(magr->misc_worn_check & protector)) {
579.  		if (poly_when_stoned(pa)) {
580.  		    mon_to_stone(magr);
581.  		    return MM_HIT; /* no damage during the polymorph */
582.  		}
583.  		if (vis) pline("%s turns to stone!", Monnam(magr));
584.  		monstone(magr);
585.  		if (magr->mhp > 0) return 0;
586.  		else if (magr->mtame && !vis)
587.  		    You(brief_feeling, "peculiarly sad");
588.  		return MM_AGR_DIED;
589.  	}
590.  
591.  	switch(mattk->adtyp) {
592.  	    case AD_DGST:
593.  		/* eating a Rider or its corpse is fatal */
594.  		if (is_rider(mdef->data)) {
595.  		    if (vis)
596.  			pline("%s %s!", Monnam(magr),
597.  			      mdef->data == &mons[PM_FAMINE] ?
598.  				"belches feebly, shrivels up and dies" :
599.  			      mdef->data == &mons[PM_PESTILENCE] ?
600.  				"coughs spasmodically and collapses" :
601.  				"vomits violently and drops dead");
602.  		    mondied(magr);
603.  		    if (magr->mhp > 0) return 0;	/* lifesaved */
604.  		    else if (magr->mtame && !vis)
605.  			You(brief_feeling, "queasy");
606.  		    return MM_AGR_DIED;
607.  		}
608.  		if(flags.verbose && flags.soundok) verbalize("Burrrrp!");
609.  		tmp = mdef->mhp;
610.  		/* Use up amulet of life saving */
611.  		if (!!(obj = mlifesaver(mdef))) m_useup(mdef, obj);
612.  
613.  		/* Is a corpse for nutrition possible?  It may kill magr */
614.  		if (!corpse_chance(mdef, magr, TRUE) || magr->mhp < 1)
615.  		    break;
616.  
617.  		/* Pets get nutrition from swallowing monster whole.
618.  		 * No nutrition from G_NOCORPSE monster, eg, undead.
619.  		 * DGST monsters don't die from undead corpses
620.  		 */
621.  		num = monsndx(mdef->data);
622.  		if (magr->mtame && !magr->isminion &&
623.  		    !(mvitals[num].mvflags & G_NOCORPSE)) {
624.  		    struct obj *virtualcorpse = mksobj(CORPSE, FALSE, FALSE);
625.  		    int nutrit;
626.  
627.  		    virtualcorpse->corpsenm = num;
628.  		    virtualcorpse->owt = weight(virtualcorpse);
629.  		    nutrit = dog_nutrition(magr, virtualcorpse);
630.  		    dealloc_obj(virtualcorpse);
631.  
632.  		    /* only 50% nutrition, 25% of normal eating time */
633.  		    if (magr->meating > 1) magr->meating = (magr->meating+3)/4;
634.  		    if (nutrit > 1) nutrit /= 2;
635.  		    EDOG(magr)->hungrytime += nutrit;
636.  		}
637.  		break;
638.  	    case AD_STUN:
639.  		if (magr->mcan) break;
640.  		if (canseemon(mdef))
641.  		    pline("%s %s for a moment.", Monnam(mdef),
642.  			  makeplural(stagger(mdef->data, "stagger")));
643.  		mdef->mstun = 1;
644.  		/* fall through */
645.  	    case AD_WERE:
646.  	    case AD_HEAL:
647.  	    case AD_LEGS:
648.  	    case AD_PHYS:
649.  		if (mattk->aatyp == AT_KICK && thick_skinned(pd))
650.  			tmp = 0;
651.  		else if(mattk->aatyp == AT_WEAP) {
652.  		    if(otmp) {
653.  			if (otmp->otyp == CORPSE &&
654.  				touch_petrifies(&mons[otmp->corpsenm]))
655.  			    goto do_stone_goto_label;
656.  			tmp += dmgval(otmp, mdef);
657.  			if (otmp->oartifact) {
658.  			    (void)artifact_hit(magr,mdef, otmp, &tmp, dieroll);
659.  			    if (mdef->mhp <= 0)
660.  				return (MM_DEF_DIED |
661.  					(grow_up(magr,mdef) ? 0 : MM_AGR_DIED));
662.  			}
663.  			if (tmp)
664.  				mrustm(magr, mdef, otmp);
665.  		    }
666.  		} else if (magr->data == &mons[PM_PURPLE_WORM] &&
667.  			    mdef->data == &mons[PM_SHRIEKER]) {
668.  		    /* hack to enhance mm_aggression(); we don't want purple
669.  		       worm's bite attack to kill a shrieker because then it
670.  		       won't swallow the corpse; but if the target survives,
671.  		       the subsequent engulf attack should accomplish that */
672.  		    if (tmp >= mdef->mhp) tmp = mdef->mhp - 1;
673.  		}
674.  		break;
675.  	    case AD_FIRE:
676.  		if (magr->mcan) {
677.  		    tmp = 0;
678.  		    break;
679.  		}
680.  		if (vis)
681.  		    pline("%s is %s!", Monnam(mdef),
682.  			  mdef->data == &mons[PM_WATER_ELEMENTAL] ? "boiling" :
683.  			  mattk->aatyp == AT_HUGS ?
684.  				"being roasted" : "on fire");
685.  		if (pd == &mons[PM_STRAW_GOLEM] ||
686.  		    pd == &mons[PM_PAPER_GOLEM]) {
687.  			if (vis) pline("%s burns completely!", Monnam(mdef));
688.  			mondied(mdef);
689.  			if (mdef->mhp > 0) return 0;
690.  			else if (mdef->mtame && !vis)
691.  			    pline("May %s roast in peace.", mon_nam(mdef));
692.  			return (MM_DEF_DIED | (grow_up(magr,mdef) ?
693.  							0 : MM_AGR_DIED));
694.  		}
695.  		tmp += destroy_mitem(mdef, SCROLL_CLASS, AD_FIRE);
696.  		tmp += destroy_mitem(mdef, SPBOOK_CLASS, AD_FIRE);
697.  		if (resists_fire(mdef)) {
698.  		    if (vis)
699.  			pline_The("fire doesn't seem to burn %s!",
700.  								mon_nam(mdef));
701.  		    shieldeff(mdef->mx, mdef->my);
702.  		    golemeffects(mdef, AD_FIRE, tmp);
703.  		    tmp = 0;
704.  		}
705.  		/* only potions damage resistant players in destroy_item */
706.  		tmp += destroy_mitem(mdef, POTION_CLASS, AD_FIRE);
707.  		break;
708.  	    case AD_COLD:
709.  		if (magr->mcan) {
710.  		    tmp = 0;
711.  		    break;
712.  		}
713.  		if (vis) pline("%s is covered in frost!", Monnam(mdef));
714.  		if (resists_cold(mdef)) {
715.  		    if (vis)
716.  			pline_The("frost doesn't seem to chill %s!",
717.  								mon_nam(mdef));
718.  		    shieldeff(mdef->mx, mdef->my);
719.  		    golemeffects(mdef, AD_COLD, tmp);
720.  		    tmp = 0;
721.  		}
722.  		tmp += destroy_mitem(mdef, POTION_CLASS, AD_COLD);
723.  		break;
724.  	    case AD_ELEC:
725.  		if (magr->mcan) {
726.  		    tmp = 0;
727.  		    break;
728.  		}
729.  		if (vis) pline("%s gets zapped!", Monnam(mdef));
730.  		tmp += destroy_mitem(mdef, WAND_CLASS, AD_ELEC);
731.  		if (resists_elec(mdef)) {
732.  		    if (vis) pline_The("zap doesn't shock %s!", mon_nam(mdef));
733.  		    shieldeff(mdef->mx, mdef->my);
734.  		    golemeffects(mdef, AD_ELEC, tmp);
735.  		    tmp = 0;
736.  		}
737.  		/* only rings damage resistant players in destroy_item */
738.  		tmp += destroy_mitem(mdef, RING_CLASS, AD_ELEC);
739.  		break;
740.  	    case AD_ACID:
741.  		if (magr->mcan) {
742.  		    tmp = 0;
743.  		    break;
744.  		}
745.  		if (resists_acid(mdef)) {
746.  		    if (vis)
747.  			pline("%s is covered in acid, but it seems harmless.",
748.  			      Monnam(mdef));
749.  		    tmp = 0;
750.  		} else if (vis) {
751.  		    pline("%s is covered in acid!", Monnam(mdef));
752.  		    pline("It burns %s!", mon_nam(mdef));
753.  		}
754.  		if (!rn2(30)) erode_armor(mdef, TRUE);
755.  		if (!rn2(6)) erode_obj(MON_WEP(mdef), TRUE, TRUE);
756.  		break;
757.  	    case AD_RUST:
758.  		if (!magr->mcan && pd == &mons[PM_IRON_GOLEM]) {
759.  			if (vis) pline("%s falls to pieces!", Monnam(mdef));
760.  			mondied(mdef);
761.  			if (mdef->mhp > 0) return 0;
762.  			else if (mdef->mtame && !vis)
763.  			    pline("May %s rust in peace.", mon_nam(mdef));
764.  			return (MM_DEF_DIED | (grow_up(magr,mdef) ?
765.  							0 : MM_AGR_DIED));
766.  		}
767.  		hurtmarmor(mdef, AD_RUST);
768.  		tmp = 0;
769.  		break;
770.  	    case AD_CORR:
771.  		hurtmarmor(mdef, AD_CORR);
772.  		tmp = 0;
773.  		break;
774.  	    case AD_DCAY:
775.  		if (!magr->mcan && (pd == &mons[PM_WOOD_GOLEM] ||
776.  		    pd == &mons[PM_LEATHER_GOLEM])) {
777.  			if (vis) pline("%s falls to pieces!", Monnam(mdef));
778.  			mondied(mdef);
779.  			if (mdef->mhp > 0) return 0;
780.  			else if (mdef->mtame && !vis)
781.  			    pline("May %s rot in peace.", mon_nam(mdef));
782.  			return (MM_DEF_DIED | (grow_up(magr,mdef) ?
783.  							0 : MM_AGR_DIED));
784.  		}
785.  		hurtmarmor(mdef, AD_DCAY);
786.  		tmp = 0;
787.  		break;
788.  	    case AD_STON:
789.  do_stone_goto_label:
790.  		/* may die from the acid if it eats a stone-curing corpse */
791.  		if (munstone(mdef, FALSE)) goto label2;
792.  		if (poly_when_stoned(pd)) {
793.  			mon_to_stone(mdef);
794.  			tmp = 0;
795.  			break;
796.  		}
797.  		if (!resists_ston(mdef)) {
798.  			if (vis) pline("%s turns to stone!", Monnam(mdef));
799.  			monstone(mdef);
800.  label2:			if (mdef->mhp > 0) return 0;
801.  			else if (mdef->mtame && !vis)
802.  			    You(brief_feeling, "peculiarly sad");
803.  			return (MM_DEF_DIED | (grow_up(magr,mdef) ?
804.  							0 : MM_AGR_DIED));
805.  		}
806.  		tmp = (mattk->adtyp == AD_STON ? 0 : 1);
807.  		break;
808.  	    case AD_TLPT:
809.  		if (!magr->mcan && tmp < mdef->mhp && !tele_restrict(mdef)) {
810.  		    char mdef_Monnam[BUFSZ];
811.  		    /* save the name before monster teleports, otherwise
812.  		       we'll get "it" in the suddenly disappears message */
813.  		    if (vis) Strcpy(mdef_Monnam, Monnam(mdef));
814.  		    rloc(mdef);
815.  		    if (vis && !canspotmon(mdef)
816.  #ifdef STEED
817.  		    	&& mdef != u.usteed
818.  #endif
819.  		    	)
820.  			pline("%s suddenly disappears!", mdef_Monnam);
821.  		}
822.  		break;
823.  	    case AD_SLEE:
824.  		if (!magr->mcan && !mdef->msleeping &&
825.  			sleep_monst(mdef, rnd(10), -1)) {
826.  		    if (vis) {
827.  			Strcpy(buf, Monnam(mdef));
828.  			pline("%s is put to sleep by %s.", buf, mon_nam(magr));
829.  		    }
830.  		    slept_monst(mdef);
831.  		}
832.  		break;
833.  	    case AD_PLYS:
834.  		if(!magr->mcan && mdef->mcanmove) {
835.  		    if (vis) {
836.  			Strcpy(buf, Monnam(mdef));
837.  			pline("%s is frozen by %s.", buf, mon_nam(magr));
838.  		    }
839.  		    mdef->mcanmove = 0;
840.  		    mdef->mfrozen = rnd(10);
841.  		}
842.  		break;
843.  	    case AD_SLOW:
844.  		if (!magr->mcan && vis && mdef->mspeed != MSLOW) {
845.  		    unsigned int oldspeed = mdef->mspeed;
846.  
847.  		    mon_adjust_speed(mdef, -1, (struct obj *)0);
848.  		    if (mdef->mspeed != oldspeed && vis)
849.  			pline("%s slows down.", Monnam(mdef));
850.  		}
851.  		break;
852.  	    case AD_CONF:
853.  		/* Since confusing another monster doesn't have a real time
854.  		 * limit, setting spec_used would not really be right (though
855.  		 * we still should check for it).
856.  		 */
857.  		if (!magr->mcan && !mdef->mconf && !magr->mspec_used) {
858.  		    if (vis) pline("%s looks confused.", Monnam(mdef));
859.  		    mdef->mconf = 1;
860.  		}
861.  		break;
862.  	    case AD_BLND:
863.  		if (can_blnd(magr, mdef, mattk->aatyp, (struct obj*)0)) {
864.  		    register unsigned rnd_tmp;
865.  
866.  		    if (vis && mdef->mcansee)
867.  			pline("%s is blinded.", Monnam(mdef));
868.  		    rnd_tmp = d((int)mattk->damn, (int)mattk->damd);
869.  		    if ((rnd_tmp += mdef->mblinded) > 127) rnd_tmp = 127;
870.  		    mdef->mblinded = rnd_tmp;
871.  		    mdef->mcansee = 0;
872.  		}
873.  		tmp = 0;
874.  		break;
875.  	    case AD_HALU:
876.  		if (!magr->mcan && haseyes(pd) && mdef->mcansee) {
877.  		    if (vis) pline("%s looks %sconfused.",
878.  				    Monnam(mdef), mdef->mconf ? "more " : "");
879.  		    mdef->mconf = 1;
880.  		}
881.  		tmp = 0;
882.  		break;
883.  	    case AD_CURS:
884.  		if (!night() && (pa == &mons[PM_GREMLIN])) break;
885.  		if (!magr->mcan && !rn2(10)) {
886.  		    mdef->mcan = 1;	/* cancelled regardless of lifesave */
887.  		    if (is_were(pd) && pd->mlet != S_HUMAN)
888.  			were_change(mdef);
889.  		    if (pd == &mons[PM_CLAY_GOLEM]) {
890.  			    if (vis) {
891.  				pline("Some writing vanishes from %s head!",
892.  				    s_suffix(mon_nam(mdef)));
893.  				pline("%s is destroyed!", Monnam(mdef));
894.  			    }
895.  			    mondied(mdef);
896.  			    if (mdef->mhp > 0) return 0;
897.  			    else if (mdef->mtame && !vis)
898.  				You(brief_feeling, "strangely sad");
899.  			    return (MM_DEF_DIED | (grow_up(magr,mdef) ?
900.  							0 : MM_AGR_DIED));
901.  		    }
902.  		    if (flags.soundok) {
903.  			    if (!vis) You_hear("laughter.");
904.  			    else pline("%s chuckles.", Monnam(magr));
905.  		    }
906.  		}
907.  		break;
908.  	    case AD_SGLD:
909.  		tmp = 0;
910.  #ifndef GOLDOBJ
911.  		if (magr->mcan || !mdef->mgold) break;
912.  		/* technically incorrect; no check for stealing gold from
913.  		 * between mdef's feet...
914.  		 */
915.  		magr->mgold += mdef->mgold;
916.  		mdef->mgold = 0;
917.  #else
918.                  if (magr->mcan) break;
919.  		/* technically incorrect; no check for stealing gold from
920.  		 * between mdef's feet...
921.  		 */
922.                  {
923.  		    struct obj *gold = findgold(mdef->minvent);
924.  		    if (!gold) break;
925.                      obj_extract_self(gold);
926.  		    add_to_minv(magr, gold);
927.                  }
928.  #endif
929.  		if (vis) {
930.  		    Strcpy(buf, Monnam(magr));
931.  		    pline("%s steals some gold from %s.", buf, mon_nam(mdef));
932.  		}
933.  		if (!tele_restrict(magr)) {
934.  		    rloc(magr);
935.  		    if (vis && !canspotmon(magr))
936.  			pline("%s suddenly disappears!", buf);
937.  		}
938.  		break;
939.  	    case AD_DRLI:
940.  		if (rn2(2) && !resists_drli(mdef)) {
941.  			tmp = d(2,6);
942.  			if (vis)
943.  			    pline("%s suddenly seems weaker!", Monnam(mdef));
944.  			mdef->mhpmax -= tmp;
945.  			if (mdef->m_lev == 0)
946.  				tmp = mdef->mhp;
947.  			else mdef->m_lev--;
948.  			/* Automatic kill if drained past level 0 */
949.  		}
950.  		break;
951.  #ifdef SEDUCE
952.  	    case AD_SSEX:
953.  #endif
954.  	    case AD_SITM:	/* for now these are the same */
955.  	    case AD_SEDU:
956.  		/* find an object to steal, non-cursed if magr is tame */
957.  		for (obj = mdef->minvent; obj; obj = obj->nobj) {
958.  		    if (!magr->mtame || !obj->cursed)
959.  			break;
960.  		}
961.  
962.  		if (!magr->mcan && obj) {
963.  			char onambuf[BUFSZ], mdefnambuf[BUFSZ];
964.  
965.  			/* make a special x_monnam() call that never omits
966.  			   the saddle, and save it for later messages */
967.  			Strcpy(mdefnambuf, x_monnam(mdef, ARTICLE_THE, (char *)0, 0, FALSE));
968.  
969.  			otmp = obj;
970.  #ifdef STEED
971.  			if (u.usteed == mdef &&
972.  					otmp == which_armor(mdef, W_SADDLE))
973.  				/* "You can no longer ride <steed>." */
974.  				dismount_steed(DISMOUNT_POLY);
975.  #endif
976.  			obj_extract_self(otmp);
977.  			if (otmp->owornmask) {
978.  				mdef->misc_worn_check &= ~otmp->owornmask;
979.  				if (otmp->owornmask & W_WEP)
980.  				    setmnotwielded(mdef,otmp);
981.  				otmp->owornmask = 0L;
982.  				update_mon_intrinsics(mdef, otmp, FALSE);
983.  			}
984.  			/* add_to_minv() might free otmp [if it merges] */
985.  			if (vis)
986.  				Strcpy(onambuf, doname(otmp));
987.  			(void) add_to_minv(magr, otmp);
988.  			if (vis) {
989.  				Strcpy(buf, Monnam(magr));
990.  				pline("%s steals %s from %s!", buf,
991.  				    onambuf, mdefnambuf);
992.  			}
993.  			possibly_unwield(mdef);
994.  			mselftouch(mdef, (const char *)0, FALSE);
995.  			if (mdef->mhp <= 0)
996.  				return (MM_DEF_DIED | (grow_up(magr,mdef) ?
997.  							0 : MM_AGR_DIED));
998.  			if (magr->data->mlet == S_NYMPH &&
999.  			    !tele_restrict(magr)) {
1000. 			    rloc(magr);
1001. 			    if (vis && !canspotmon(magr))
1002. 				pline("%s suddenly disappears!", buf);
1003. 			}
1004. 		}
1005. 		tmp = 0;
1006. 		break;
1007. 	    case AD_DRST:
1008. 	    case AD_DRDX:
1009. 	    case AD_DRCO:
1010. 		if (!magr->mcan && !rn2(8)) {
1011. 		    if (vis)
1012. 			pline("%s %s was poisoned!", s_suffix(Monnam(magr)),
1013. 			      mpoisons_subj(magr, mattk));
1014. 		    if (resists_poison(mdef)) {
1015. 			if (vis)
1016. 			    pline_The("poison doesn't seem to affect %s.",
1017. 				mon_nam(mdef));
1018. 		    } else {
1019. 			if (rn2(10)) tmp += rn1(10,6);
1020. 			else {
1021. 			    if (vis) pline_The("poison was deadly...");
1022. 			    tmp = mdef->mhp;
1023. 			}
1024. 		    }
1025. 		}
1026. 		break;
1027. 	    case AD_DRIN:
1028. 		if (notonhead || !has_head(pd)) {
1029. 		    if (vis) pline("%s doesn't seem harmed.", Monnam(mdef));
1030. 		    /* Not clear what to do for green slimes */
1031. 		    tmp = 0;
1032. 		    break;
1033. 		}
1034. 		if ((mdef->misc_worn_check & W_ARMH) && rn2(8)) {
1035. 		    if (vis) {
1036. 			Strcpy(buf, s_suffix(Monnam(mdef)));
1037. 			pline("%s helmet blocks %s attack to %s head.",
1038. 				buf, s_suffix(mon_nam(magr)),
1039. 				mhis(mdef));
1040. 		    }
1041. 		    break;
1042. 		}
1043. 		if (vis) pline("%s brain is eaten!", s_suffix(Monnam(mdef)));
1044. 		if (mindless(pd)) {
1045. 		    if (vis) pline("%s doesn't notice.", Monnam(mdef));
1046. 		    break;
1047. 		}
1048. 		tmp += rnd(10); /* fakery, since monsters lack INT scores */
1049. 		if (magr->mtame && !magr->isminion) {
1050. 		    EDOG(magr)->hungrytime += rnd(60);
1051. 		    magr->mconf = 0;
1052. 		}
1053. 		if (tmp >= mdef->mhp && vis)
1054. 		    pline("%s last thought fades away...",
1055. 			          s_suffix(Monnam(mdef)));
1056. 		break;
1057. 	    case AD_SLIM:
1058. 	    	if (!rn2(4) && mdef->data != &mons[PM_FIRE_VORTEX] &&
1059. 	    			mdef->data != &mons[PM_FIRE_ELEMENTAL] &&
1060. 	    			mdef->data != &mons[PM_SALAMANDER] &&
1061. 	    			mdef->data != &mons[PM_GREEN_SLIME]) {
1062. 	    	    if (vis) pline("%s turns into slime.", Monnam(mdef));
1063. 	    	    (void) newcham(mdef, &mons[PM_GREEN_SLIME], FALSE);
1064. 	    	    tmp = 0;
1065. 	    	}
1066. 	    	break;
1067. 	    case AD_STCK:
1068. 	    case AD_WRAP: /* monsters cannot grab one another, it's too hard */
1069. 	    case AD_ENCH: /* There's no msomearmor() function, so just do damage */
1070. 		break;
1071. 	    default:	tmp = 0;
1072. 			break;
1073. 	}
1074. 	if(!tmp) return(MM_MISS);
1075. 
1076. 	if((mdef->mhp -= tmp) < 1) {
1077. 	    if (m_at(mdef->mx, mdef->my) == magr) {  /* see gulpmm() */
1078. 		remove_monster(mdef->mx, mdef->my);
1079. 		mdef->mhp = 1;	/* otherwise place_monster will complain */
1080. 		place_monster(mdef, mdef->mx, mdef->my);
1081. 		mdef->mhp = 0;
1082. 	    }
1083. 	    monkilled(mdef, "", (int)mattk->adtyp);
1084. 	    if (mdef->mhp > 0) return 0; /* mdef lifesaved */
1085. 	    return (MM_DEF_DIED | (grow_up(magr,mdef) ? 0 : MM_AGR_DIED));
1086. 	}
1087. 	return(MM_HIT);
1088. }
1089. 
1090. #endif /* OVLB */
1091. 
1092. 
1093. #ifdef OVL0
1094. 
1095. int
1096. noattacks(ptr)			/* returns 1 if monster doesn't attack */
1097. 	struct	permonst *ptr;
1098. {
1099. 	int i;
1100. 
1101. 	for(i = 0; i < NATTK; i++)
1102. 		if(ptr->mattk[i].aatyp) return(0);
1103. 
1104. 	return(1);
1105. }
1106. 
1107. /* `mon' is hit by a sleep attack; return 1 if it's affected, 0 otherwise */
1108. int
1109. sleep_monst(mon, amt, how)
1110. struct monst *mon;
1111. int amt, how;
1112. {
1113. 	if (resists_sleep(mon) ||
1114. 		(how >= 0 && resist(mon, (char)how, 0, NOTELL))) {
1115. 	    shieldeff(mon->mx, mon->my);
1116. 	} else if (mon->mcanmove) {
1117. 	    amt += (int) mon->mfrozen;
1118. 	    if (amt > 0) {	/* sleep for N turns */
1119. 		mon->mcanmove = 0;
1120. 		mon->mfrozen = min(amt, 127);
1121. 	    } else {		/* sleep until awakened */
1122. 		mon->msleeping = 1;
1123. 	    }
1124. 	    return 1;
1125. 	}
1126. 	return 0;
1127. }
1128. 
1129. /* sleeping grabber releases, engulfer doesn't; don't use for paralysis! */
1130. void
1131. slept_monst(mon)
1132. struct monst *mon;
1133. {
1134. 	if ((mon->msleeping || !mon->mcanmove) && mon == u.ustuck &&
1135. 		!sticks(youmonst.data) && !u.uswallow) {
1136. 	    pline("%s grip relaxes.", s_suffix(Monnam(mon)));
1137. 	    unstuck(mon);
1138. 	}
1139. }
1140. 
1141. #endif /* OVL0 */
1142. #ifdef OVLB
1143. 
1144. STATIC_OVL void
1145. mrustm(magr, mdef, obj)
1146. register struct monst *magr, *mdef;
1147. register struct obj *obj;
1148. {
1149. 	boolean is_acid;
1150. 
1151. 	if (!magr || !mdef || !obj) return; /* just in case */
1152. 
1153. 	if (dmgtype(mdef->data, AD_CORR))
1154. 	    is_acid = TRUE;
1155. 	else if (dmgtype(mdef->data, AD_RUST))
1156. 	    is_acid = FALSE;
1157. 	else
1158. 	    return;
1159. 
1160. 	if (!mdef->mcan &&
1161. 	    (is_acid ? is_corrodeable(obj) : is_rustprone(obj)) &&
1162. 	    (is_acid ? obj->oeroded2 : obj->oeroded) < MAX_ERODE) {
1163. 		if (obj->greased || obj->oerodeproof || (obj->blessed && rn2(3))) {
1164. 		    if (cansee(mdef->mx, mdef->my) && flags.verbose)
1165. 			pline("%s weapon is not affected.",
1166. 			                 s_suffix(Monnam(magr)));
1167. 		    if (obj->greased && !rn2(2)) obj->greased = 0;
1168. 		} else {
1169. 		    if (cansee(mdef->mx, mdef->my)) {
1170. 			pline("%s %s%s!", s_suffix(Monnam(magr)),
1171. 			    aobjnam(obj, (is_acid ? "corrode" : "rust")),
1172. 			    (is_acid ? obj->oeroded2 : obj->oeroded)
1173. 				? " further" : "");
1174. 		    }
1175. 		    if (is_acid) obj->oeroded2++;
1176. 		    else obj->oeroded++;
1177. 		}
1178. 	}
1179. }
1180. 
1181. STATIC_OVL void
1182. mswingsm(magr, mdef, otemp)
1183. register struct monst *magr, *mdef;
1184. register struct obj *otemp;
1185. {
1186. 	char buf[BUFSZ];
1187. 	if (!flags.verbose || Blind || !mon_visible(magr)) return;
1188. 	Strcpy(buf, mon_nam(mdef));
1189. 	pline("%s %s %s %s at %s.", Monnam(magr),
1190. 	      (objects[otemp->otyp].oc_dir & PIERCE) ? "thrusts" : "swings",
1191. 	      mhis(magr), singular(otemp, xname), buf);
1192. }
1193. 
1194. /*
1195.  * Passive responses by defenders.  Does not replicate responses already
1196.  * handled above.  Returns same values as mattackm.
1197.  */
1198. STATIC_OVL int
1199. passivemm(magr,mdef,mhit,mdead)
1200. register struct monst *magr, *mdef;
1201. boolean mhit;
1202. int mdead;
1203. {
1204. 	register struct permonst *mddat = mdef->data;
1205. 	register struct permonst *madat = magr->data;
1206. 	char buf[BUFSZ];
1207. 	int i, tmp;
1208. 
1209. 	for(i = 0; ; i++) {
1210. 	    if(i >= NATTK) return (mdead | mhit); /* no passive attacks */
1211. 	    if(mddat->mattk[i].aatyp == AT_NONE) break;
1212. 	}
1213. 	if (mddat->mattk[i].damn)
1214. 	    tmp = d((int)mddat->mattk[i].damn,
1215. 				    (int)mddat->mattk[i].damd);
1216. 	else if(mddat->mattk[i].damd)
1217. 	    tmp = d((int)mddat->mlevel+1, (int)mddat->mattk[i].damd);
1218. 	else
1219. 	    tmp = 0;
1220. 
1221. 	/* These affect the enemy even if defender killed */
1222. 	switch(mddat->mattk[i].adtyp) {
1223. 	    case AD_ACID:
1224. 		if (mhit && !rn2(2)) {
1225. 		    Strcpy(buf, Monnam(magr));
1226. 		    if(canseemon(magr))
1227. 			pline("%s is splashed by %s acid!",
1228. 			      buf, s_suffix(mon_nam(mdef)));
1229. 		    if (resists_acid(magr)) {
1230. 			if(canseemon(magr))
1231. 			    pline("%s is not affected.", Monnam(magr));
1232. 			tmp = 0;
1233. 		    }
1234. 		} else tmp = 0;
1235. 		goto assess_dmg;
1236. 	    case AD_ENCH:	/* KMH -- remove enchantment (disenchanter) */
1237. 		if (mhit && !mdef->mcan && otmp) {
1238. 		    (void) drain_item(otmp);
1239. 		    /* No message */
1240. 		}
1241. 		break;
1242. 	    default:
1243. 		break;
1244. 	}
1245. 	if (mdead || mdef->mcan) return (mdead|mhit);
1246. 
1247. 	/* These affect the enemy only if defender is still alive */
1248. 	if (rn2(3)) switch(mddat->mattk[i].adtyp) {
1249. 	    case AD_PLYS: /* Floating eye */
1250. 		if (tmp > 127) tmp = 127;
1251. 		if (mddat == &mons[PM_FLOATING_EYE]) {
1252. 		    if (!rn2(4)) tmp = 127;
1253. 		    if (magr->mcansee && haseyes(madat) && mdef->mcansee &&
1254. 			(perceives(madat) || !mdef->minvis)) {
1255. 			Sprintf(buf, "%s gaze is reflected by %%s %%s.",
1256. 				s_suffix(mon_nam(mdef)));
1257. 			if (mon_reflects(magr,
1258. 					 canseemon(magr) ? buf : (char *)0))
1259. 				return(mdead|mhit);
1260. 			Strcpy(buf, Monnam(magr));
1261. 			if(canseemon(magr))
1262. 			    pline("%s is frozen by %s gaze!",
1263. 				  buf, s_suffix(mon_nam(mdef)));
1264. 			magr->mcanmove = 0;
1265. 			magr->mfrozen = tmp;
1266. 			return (mdead|mhit);
1267. 		    }
1268. 		} else { /* gelatinous cube */
1269. 		    Strcpy(buf, Monnam(magr));
1270. 		    if(canseemon(magr))
1271. 			pline("%s is frozen by %s.", buf, mon_nam(mdef));
1272. 		    magr->mcanmove = 0;
1273. 		    magr->mfrozen = tmp;
1274. 		    return (mdead|mhit);
1275. 		}
1276. 		return 1;
1277. 	    case AD_COLD:
1278. 		if (resists_cold(magr)) {
1279. 		    if (canseemon(magr)) {
1280. 			pline("%s is mildly chilly.", Monnam(magr));
1281. 			golemeffects(magr, AD_COLD, tmp);
1282. 		    }
1283. 		    tmp = 0;
1284. 		    break;
1285. 		}
1286. 		if(canseemon(magr))
1287. 		    pline("%s is suddenly very cold!", Monnam(magr));
1288. 		mdef->mhp += tmp / 2;
1289. 		if (mdef->mhpmax < mdef->mhp) mdef->mhpmax = mdef->mhp;
1290. 		if (mdef->mhpmax > ((int) (mdef->m_lev+1) * 8))
1291. 		    (void)split_mon(mdef, magr);
1292. 		break;
1293. 	    case AD_STUN:
1294. 		if (!magr->mstun) {
1295. 		    magr->mstun = 1;
1296. 		    if (canseemon(magr))
1297. 			pline("%s %s...", Monnam(magr),
1298. 			      makeplural(stagger(magr->data, "stagger")));
1299. 		}
1300. 		tmp = 0;
1301. 		break;
1302. 	    case AD_FIRE:
1303. 		if (resists_fire(magr)) {
1304. 		    if (canseemon(magr)) {
1305. 			pline("%s is mildly warmed.", Monnam(magr));
1306. 			golemeffects(magr, AD_FIRE, tmp);
1307. 		    }
1308. 		    tmp = 0;
1309. 		    break;
1310. 		}
1311. 		if(canseemon(magr))
1312. 		    pline("%s is suddenly very hot!", Monnam(magr));
1313. 		break;
1314. 	    case AD_ELEC:
1315. 		if (resists_elec(magr)) {
1316. 		    if (canseemon(magr)) {
1317. 			pline("%s is mildly tingled.", Monnam(magr));
1318. 			golemeffects(magr, AD_ELEC, tmp);
1319. 		    }
1320. 		    tmp = 0;
1321. 		    break;
1322. 		}
1323. 		if(canseemon(magr))
1324. 		    pline("%s is jolted with electricity!", Monnam(magr));
1325. 		break;
1326. 	    default: tmp = 0;
1327. 		break;
1328. 	}
1329. 	else tmp = 0;
1330. 
1331.     assess_dmg:
1332. 	if((magr->mhp -= tmp) <= 0) {
1333. 		monkilled(magr, "", (int)mddat->mattk[i].adtyp);
1334. 		return (mdead | mhit | MM_AGR_DIED);
1335. 	}
1336. 	return (mdead | mhit);
1337. }
1338. 
1339. #endif /* OVLB */
1340. 
1341. /*mhitm.c*/
1342. 

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