pc-hack

PC HACK 3.61 source code (archival)
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mhitu.c (8422B)


      1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
      2 /* mhitu.c - version 1.0.3 */
      3 
      4 #include	"hack.h"
      5 extern struct monst *makemon();
      6 
      7 /*
      8  * mhitu: monster hits you
      9  *	  returns 1 if monster dies (e.g. 'y', 'F'), 0 otherwise
     10  */
     11 mhitu(mtmp)
     12 register struct monst *mtmp;
     13 {
     14 	register struct permonst *mdat = mtmp->data;
     15 	register int tmp, ctmp;
     16 
     17 	nomul(0);
     18 
     19 	/* If swallowed, can only be affected by hissers and by u.ustuck */
     20 	if(u.uswallow) {
     21 		if(mtmp != u.ustuck) {
     22 			if(mdat->mlet == 'c' && !rn2(13)) {
     23 				pline("Outside, you hear %s's hissing!",
     24 					monnam(mtmp));
     25 				pline("%s gets turned to stone!",
     26 					Monnam(u.ustuck));
     27 				pline("And the same fate befalls you.");
     28 				done_in_by(mtmp);
     29 				/* "notreached": not return(1); */
     30 			}
     31 			return(0);
     32 		}
     33 		switch(mdat->mlet) {	/* now mtmp == u.ustuck */
     34 		case ',':
     35 			youswld(mtmp, (u.uac > 0) ? u.uac+4 : 4,
     36 				5, "The trapper");
     37 			break;
     38 		case '\'':
     39 			youswld(mtmp,rnd(6),7,"The lurker above");
     40 			break;
     41 		case 'P':
     42 			youswld(mtmp,d(2,4),12,"The purple worm");
     43 			break;
     44 		default:
     45 			/* This is not impossible! */
     46 #ifdef DGK
     47 			/* If the swallowing monster changes into a monster
     48 			 * that is not capable of swallowing you, you get
     49 			 * regurgitated - dgk
     50 			 */
     51 			pline("You get regurgitated!");
     52 			u.ux = mtmp->mx;
     53 			u.uy = mtmp->my;
     54 			u.uswallow = 0;
     55 			u.ustuck = 0;
     56 			mnexto(mtmp);
     57 			setsee();
     58 			docrt();
     59 			break;
     60 #else
     61 			pline("The mysterious monster totally digests you.");
     62 			u.uhp = 0;
     63 #endif /* DGK /**/
     64 		}
     65 		if(u.uhp < 1) done_in_by(mtmp);
     66 		return(0);
     67 	}
     68 
     69 	if(mdat->mlet == 'c' && Stoned)
     70 		return(0);
     71 
     72 	/* make eels visible the moment they hit/miss us */
     73 	if(mdat->mlet == ';' && mtmp->minvis && cansee(mtmp->mx,mtmp->my)){
     74 		mtmp->minvis = 0;
     75 		pmon(mtmp);
     76 	}
     77 	if(!index("1&DuxynNF",mdat->mlet))
     78 		tmp = hitu(mtmp,d(mdat->damn,mdat->damd));
     79 	else
     80 		tmp = 0;
     81 	if(index(UNDEAD, mdat->mlet) && midnight())
     82 		tmp += hitu(mtmp,d(mdat->damn,mdat->damd));
     83 
     84 	ctmp = tmp && !mtmp->mcan &&
     85 	  (!uarm || objects[uarm->otyp].a_can < rnd(3) || !rn2(50));
     86 	switch(mdat->mlet) {
     87 	case '1':
     88 		if(wiz_hit(mtmp)) return(1);	/* he disappeared */
     89 		break;
     90 	case '&':
     91 		if(!mtmp->cham && !mtmp->mcan && !rn2(13)) {
     92 			(void) makemon(PM_DEMON,u.ux,u.uy);
     93 		} else {
     94 			(void) hitu(mtmp,d(2,6));
     95 			(void) hitu(mtmp,d(2,6));
     96 			(void) hitu(mtmp,rnd(3));
     97 			(void) hitu(mtmp,rnd(3));
     98 			(void) hitu(mtmp,rn1(4,2));
     99 		}
    100 		break;
    101 	case ',':
    102 		if(tmp) justswld(mtmp,"The trapper");
    103 		break;
    104 	case '\'':
    105 		if(tmp) justswld(mtmp, "The lurker above");
    106 		break;
    107 	case ';':
    108 		if(ctmp) {
    109 			if(!u.ustuck && !rn2(10)) {
    110 				pline("%s swings itself around you!",
    111 					Monnam(mtmp));
    112 				u.ustuck = mtmp;
    113 			} else if(u.ustuck == mtmp &&
    114 			    levl[mtmp->mx][mtmp->my].typ == POOL) {
    115 				pline("%s drowns you ...", Monnam(mtmp));
    116 				done("drowned");
    117 			}
    118 		}
    119 		break;
    120 	case 'A':
    121 		if(ctmp && rn2(2)) {
    122 		    if(Poison_resistance)
    123 			pline("The sting doesn't seem to affect you.");
    124 		    else {
    125 			pline("You feel weaker!");
    126 			losestr(1);
    127 		    }
    128 		}
    129 		break;
    130 	case 'C':
    131 		(void) hitu(mtmp,rnd(6));
    132 		break;
    133 	case 'c':
    134 		if(!rn2(5)) {
    135 			pline("You hear %s's hissing!", monnam(mtmp));
    136 			if(ctmp || !rn2(20) || (flags.moonphase == NEW_MOON
    137 			    && !carrying(DEAD_LIZARD))) {
    138 				Stoned = 5;
    139 				/* pline("You get turned to stone!"); */
    140 				/* done_in_by(mtmp); */
    141 			}
    142 		}
    143 		break;
    144 	case 'D':
    145 		if(rn2(6) || mtmp->mcan) {
    146 			(void) hitu(mtmp,d(3,10));
    147 			(void) hitu(mtmp,rnd(8));
    148 			(void) hitu(mtmp,rnd(8));
    149 			break;
    150 		}
    151 		kludge("%s breathes fire!","The dragon");
    152 		buzz(-1,mtmp->mx,mtmp->my,u.ux-mtmp->mx,u.uy-mtmp->my);
    153 		break;
    154 	case 'd':
    155 		(void) hitu(mtmp,d(2, (flags.moonphase == FULL_MOON) ? 3 : 4));
    156 		break;
    157 	case 'e':
    158 		(void) hitu(mtmp,d(3,6));
    159 		break;
    160 	case 'F':
    161 		if(mtmp->mcan) break;
    162 		kludge("%s explodes!","The freezing sphere");
    163 		if(Cold_resistance) pline("You don't seem affected by it.");
    164 		else {
    165 			xchar dn;
    166 			if(17-(u.ulevel/2) > rnd(20)) {
    167 				pline("You get blasted!");
    168 				dn = 6;
    169 			} else {
    170 				pline("You duck the blast...");
    171 				dn = 3;
    172 			}
    173 			losehp_m(d(dn,6), mtmp);
    174 		}
    175 		mondead(mtmp);
    176 		return(1);
    177 	case 'g':
    178 		if(ctmp && multi >= 0 && !rn2(3)) {
    179 			kludge("You are frozen by %ss juices","the cube'");
    180 			nomul(-rnd(10));
    181 		}
    182 		break;
    183 	case 'h':
    184 		if(ctmp && multi >= 0 && !rn2(5)) {
    185 			nomul(-rnd(10));
    186 			kludge("You are put to sleep by %ss bite!",
    187 				"the homunculus'");
    188 		}
    189 		break;
    190 	case 'j':
    191 		tmp = hitu(mtmp,rnd(3));
    192 		tmp &= hitu(mtmp,rnd(3));
    193 		if(tmp){
    194 			(void) hitu(mtmp,rnd(4));
    195 			(void) hitu(mtmp,rnd(4));
    196 		}
    197 		break;
    198 	case 'k':
    199 		if((hitu(mtmp,rnd(4)) || !rn2(3)) && ctmp){
    200 			poisoned("bee's sting",mdat->mname);
    201 		}
    202 		break;
    203 	case 'L':
    204 		if(tmp) stealgold(mtmp);
    205 		break;
    206 	case 'N':
    207 		if(mtmp->mcan && !Blind) {
    208 	pline("%s tries to seduce you, but you seem not interested.",
    209 			Amonnam(mtmp, "plain"));
    210 			if(rn2(3)) rloc(mtmp);
    211 		} else if(steal(mtmp)) {
    212 			rloc(mtmp);
    213 			mtmp->mflee = 1;
    214 		}
    215 		break;
    216 	case 'n':
    217 		if(!uwep && !uarm && !uarmh && !uarms && !uarmg) {
    218 		    pline("%s hits! (I hope you don't mind)",
    219 			Monnam(mtmp));
    220 			u.uhp += rnd(7);
    221 			if(!rn2(7)) u.uhpmax++;
    222 			if(u.uhp > u.uhpmax) u.uhp = u.uhpmax;
    223 			flags.botl = 1;
    224 			if(!rn2(50)) rloc(mtmp);
    225 		} else {
    226 			(void) hitu(mtmp,d(2,6));
    227 			(void) hitu(mtmp,d(2,6));
    228 		}
    229 		break;
    230 	case 'o':
    231 		tmp = hitu(mtmp,rnd(6));
    232 		if(hitu(mtmp,rnd(6)) && tmp &&	/* hits with both paws */
    233 		    !u.ustuck && rn2(2)) {
    234 			u.ustuck = mtmp;
    235 			kludge("%s has grabbed you!","The owlbear");
    236 			u.uhp -= d(2,8);
    237 		} else if(u.ustuck == mtmp) {
    238 			u.uhp -= d(2,8);
    239 			pline("You are being crushed.");
    240 		}
    241 		break;
    242 	case 'P':
    243 		if(ctmp && !rn2(4))
    244 			justswld(mtmp,"The purple worm");
    245 		else
    246 			(void) hitu(mtmp,d(2,4));
    247 		break;
    248 	case 'Q':
    249 		(void) hitu(mtmp,rnd(2));
    250 		(void) hitu(mtmp,rnd(2));
    251 		break;
    252 	case 'R':
    253 		if(tmp && uarmh && !uarmh->rustfree &&
    254 		    (int) uarmh->spe >= -1) {
    255 			pline("Your helmet rusts!");
    256 			uarmh->spe--;
    257 		} else
    258 		if(ctmp && uarm && !uarm->rustfree &&	/* Mike Newton */
    259 		 uarm->otyp < STUDDED_LEATHER_ARMOR &&
    260 		 (int) uarm->spe >= -1) {
    261 			pline("Your armor rusts!");
    262 			uarm->spe--;
    263 		}
    264 		break;
    265 	case 'S':
    266 		if(ctmp && !rn2(8)) {
    267 			poisoned("snake's bite",mdat->mname);
    268 		}
    269 		break;
    270 	case 's':
    271 		if(tmp && !rn2(8)) {
    272 			poisoned("scorpion's sting",mdat->mname);
    273 		}
    274 		(void) hitu(mtmp,rnd(8));
    275 		(void) hitu(mtmp,rnd(8));
    276 		break;
    277 	case 'T':
    278 		(void) hitu(mtmp,rnd(6));
    279 		(void) hitu(mtmp,rnd(6));
    280 		break;
    281 	case 't':
    282 		if(!rn2(5)) rloc(mtmp);
    283 		break;
    284 	case 'u':
    285 		mtmp->mflee = 1;
    286 		break;
    287 	case 'U':
    288 		(void) hitu(mtmp,d(3,4));
    289 		(void) hitu(mtmp,d(3,4));
    290 		break;
    291 	case 'v':
    292 		if(ctmp && !u.ustuck) u.ustuck = mtmp;
    293 		break;
    294 	case 'V':
    295 		if(tmp) u.uhp -= 4;
    296 		if(ctmp) losexp();
    297 		break;
    298 	case 'W':
    299 		if(ctmp) losexp();
    300 		break;
    301 #ifndef NOWORM
    302 	case 'w':
    303 		if(tmp) wormhit(mtmp);
    304 #endif /* NOWORM /**/
    305 		break;
    306 	case 'X':
    307 		(void) hitu(mtmp,rnd(5));
    308 		(void) hitu(mtmp,rnd(5));
    309 		(void) hitu(mtmp,rnd(5));
    310 		break;
    311 	case 'x':
    312 		{ register long side = rn2(2) ? RIGHT_SIDE : LEFT_SIDE;
    313 		  pline("%s pricks in your %s leg!",
    314 			Monnam(mtmp), (side == RIGHT_SIDE) ? "right" : "left");
    315 		  set_wounded_legs(side, rnd(50));
    316 		  losehp_m(2, mtmp);
    317 		  break;
    318 		}
    319 	case 'y':
    320 		if(mtmp->mcan) break;
    321 		mondead(mtmp);
    322 		if(!Blind) {
    323 			pline("You are blinded by a blast of light!");
    324 			Blind = d(4,12);
    325 			seeoff(0);
    326 		}
    327 		return(1);
    328 	case 'Y':
    329 		(void) hitu(mtmp,rnd(6));
    330 		break;
    331 	}
    332 	if(u.uhp < 1) done_in_by(mtmp);
    333 	return(0);
    334 }
    335 
    336 hitu(mtmp,dam)
    337 register struct monst *mtmp;
    338 register dam;
    339 {
    340 	register tmp, res;
    341 
    342 	nomul(0);
    343 	if(u.uswallow) return(0);
    344 
    345 	if(mtmp->mhide && mtmp->mundetected) {
    346 		mtmp->mundetected = 0;
    347 		if(!Blind) {
    348 			register struct obj *obj;
    349 			extern char * Xmonnam();
    350 			if(obj = o_at(mtmp->mx,mtmp->my))
    351 				pline("%s was hidden under %s!",
    352 					Xmonnam(mtmp), doname(obj));
    353 		}
    354 	}
    355 
    356 	tmp = u.uac;
    357 	/* give people with Ac = -10 at least some vulnerability */
    358 	if(tmp < 0) {
    359 		dam += tmp;		/* decrease damage */
    360 		if(dam <= 0) dam = 1;
    361 		tmp = -rn2(-tmp);
    362 	}
    363 	tmp += mtmp->data->mlevel;
    364 	if(multi < 0) tmp += 4;
    365 	if((Invis && mtmp->data->mlet != 'I') || !mtmp->mcansee) tmp -= 2;
    366 	if(mtmp->mtrapped) tmp -= 2;
    367 	if(tmp <= rnd(20)) {
    368 		if(Blind) pline("It misses.");
    369 		else pline("%s misses.",Monnam(mtmp));
    370 		res = 0;
    371 	} else {
    372 		if(Blind) pline("It hits!");
    373 		else pline("%s hits!",Monnam(mtmp));
    374 		losehp_m(dam, mtmp);
    375 		res = 1;
    376 	}
    377 	stop_occupation();
    378 	return(res);
    379 }