pc-hack

PC HACK 3.61 source code (archival)
git clone http://frotz.net/git/pc-hack.git
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fight.c (10055B)


      1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
      2 /* fight.c - version 1.0.3 */
      3 
      4 #include	<stdio.h>
      5 #include	"hack.h"
      6 extern struct permonst li_dog, dog, la_dog;
      7 extern char *exclam(), *xname();
      8 extern struct obj *mkobj_at();
      9 
     10 static boolean far_noise;
     11 static long noisetime;
     12 
     13 /* hitmm returns 0 (miss), 1 (hit), or 2 (kill) */
     14 hitmm(magr,mdef) register struct monst *magr,*mdef; {
     15 register struct permonst *pa = magr->data, *pd = mdef->data;
     16 int hit;
     17 schar tmp;
     18 boolean vis;
     19 	if(index("Eauy", pa->mlet)) return(0);
     20 	if(magr->mfroz) return(0);		/* riv05!a3 */
     21 	tmp = pd->ac + pa->mlevel;
     22 	if(mdef->mconf || mdef->mfroz || mdef->msleep){
     23 		tmp += 4;
     24 		if(mdef->msleep) mdef->msleep = 0;
     25 	}
     26 	hit = (tmp > rnd(20));
     27 	if(hit) mdef->msleep = 0;
     28 	vis = (cansee(magr->mx,magr->my) && cansee(mdef->mx,mdef->my));
     29 	if(vis){
     30 		char buf[BUFSZ];
     31 		if(mdef->mimic) seemimic(mdef);
     32 		if(magr->mimic) seemimic(magr);
     33 		(void) sprintf(buf,"%s %s", Monnam(magr),
     34 			hit ? "hits" : "misses");
     35 		pline("%s %s.", buf, monnam(mdef));
     36 	} else {
     37 		boolean far = (dist(magr->mx, magr->my) > 15);
     38 		if(far != far_noise || moves-noisetime > 10) {
     39 			far_noise = far;
     40 			noisetime = moves;
     41 			pline("You hear some noises%s.",
     42 				far ? " in the distance" : "");
     43 		}
     44 	}
     45 	if(hit){
     46 		if(magr->data->mlet == 'c' && !magr->cham) {
     47 			magr->mhpmax += 3;
     48 			if(vis) pline("%s is turned to stone!", Monnam(mdef));
     49 			else if(mdef->mtame)
     50      pline("You have a peculiarly sad feeling for a moment, then it passes.");
     51 			monstone(mdef);
     52 			hit = 2;
     53 		} else
     54 		if((mdef->mhp -= d(pa->damn,pa->damd)) < 1) {
     55 			magr->mhpmax += 1 + rn2(pd->mlevel+1);
     56 			if(magr->mtame && magr->mhpmax > 8*pa->mlevel){
     57 				if(pa == &li_dog) magr->data = pa = &dog;
     58 				else if(pa == &dog) magr->data = pa = &la_dog;
     59 			}
     60 			if(vis) pline("%s is killed!", Monnam(mdef));
     61 			else if(mdef->mtame)
     62 		pline("You have a sad feeling for a moment, then it passes.");
     63 			mondied(mdef);
     64 			hit = 2;
     65 		}
     66 	}
     67 	return(hit);
     68 }
     69 
     70 /* drop (perhaps) a cadaver and remove monster */
     71 mondied(mdef) register struct monst *mdef; {
     72 register struct permonst *pd = mdef->data;
     73 		if(letter(pd->mlet) && rn2(3)){
     74 			(void) mkobj_at(pd->mlet,mdef->mx,mdef->my);
     75 			if(cansee(mdef->mx,mdef->my)){
     76 				unpmon(mdef);
     77 				atl(mdef->mx,mdef->my,fobj->olet);
     78 			}
     79 			stackobj(fobj);
     80 		}
     81 		mondead(mdef);
     82 }
     83 
     84 /* drop a rock and remove monster */
     85 monstone(mdef) register struct monst *mdef; {
     86 	extern char mlarge[];
     87 	if(index(mlarge, mdef->data->mlet))
     88 		mksobj_at(ENORMOUS_ROCK, mdef->mx, mdef->my);
     89 	else
     90 		mksobj_at(ROCK, mdef->mx, mdef->my);
     91 	if(cansee(mdef->mx, mdef->my)){
     92 		unpmon(mdef);
     93 		atl(mdef->mx,mdef->my,fobj->olet);
     94 	}
     95 	mondead(mdef);
     96 }
     97 		
     98 
     99 fightm(mtmp) register struct monst *mtmp; {
    100 register struct monst *mon;
    101 	for(mon = fmon; mon; mon = mon->nmon) if(mon != mtmp) {
    102 		if(DIST(mon->mx,mon->my,mtmp->mx,mtmp->my) < 3)
    103 		    if(rn2(4))
    104 			return(hitmm(mtmp,mon));
    105 	}
    106 	return(-1);
    107 }
    108 
    109 /* u is hit by sth, but not a monster */
    110 thitu(tlev,dam,name)
    111 register tlev,dam;
    112 register char *name;
    113 {
    114 char buf[BUFSZ];
    115 	setan(name,buf);
    116 	if(u.uac + tlev <= rnd(20)) {
    117 		if(Blind) pline("It misses.");
    118 		else pline("You are almost hit by %s!", buf);
    119 		return(0);
    120 	} else {
    121 		if(Blind) pline("You are hit!");
    122 		else pline("You are hit by %s!", buf);
    123 		losehp(dam,name);
    124 		return(1);
    125 	}
    126 }
    127 
    128 char mlarge[] = "bCDdegIlmnoPSsTUwY',&";
    129 
    130 boolean
    131 hmon(mon,obj,thrown)	/* return TRUE if mon still alive */
    132 register struct monst *mon;
    133 register struct obj *obj;
    134 register thrown;
    135 {
    136 	register tmp;
    137 	boolean hittxt = FALSE;
    138 
    139 	if(!obj){
    140 		tmp = rnd(2);	/* attack with bare hands */
    141 		if(mon->data->mlet == 'c' && !uarmg){
    142 			pline("You hit the cockatrice with your bare hands.");
    143 			pline("You turn to stone ...");
    144 			done_in_by(mon);
    145 		}
    146 	} else if(obj->olet == WEAPON_SYM || obj->otyp == PICK_AXE) {
    147 	    if(obj == uwep && (obj->otyp > SPEAR || obj->otyp < BOOMERANG))
    148 		tmp = rnd(2);
    149 	    else {
    150 		if(index(mlarge, mon->data->mlet)) {
    151 			tmp = rnd(objects[obj->otyp].wldam);
    152 			if(obj->otyp == TWO_HANDED_SWORD) tmp += d(2,6);
    153 			else if(obj->otyp == FLAIL) tmp += rnd(4);
    154 		} else {
    155 			tmp = rnd(objects[obj->otyp].wsdam);
    156 		}
    157 		tmp += obj->spe;
    158 		if(!thrown && obj == uwep && obj->otyp == BOOMERANG
    159 		 && !rn2(3)){
    160 		  pline("As you hit %s, the boomerang breaks into splinters.",
    161 				monnam(mon));
    162 			freeinv(obj);
    163 			setworn((struct obj *) 0, obj->owornmask);
    164 			obfree(obj, (struct obj *) 0);
    165 			tmp++;
    166 		}
    167 	    }
    168 	    if(mon->data->mlet == 'O' && obj->otyp == TWO_HANDED_SWORD &&
    169 		!strcmp(ONAME(obj), "Orcrist"))
    170 		tmp += rnd(10);
    171 	} else	switch(obj->otyp) {
    172 		case HEAVY_IRON_BALL:
    173 			tmp = rnd(25); break;
    174 		case EXPENSIVE_CAMERA:
    175 	pline("You succeed in destroying your camera. Congratulations!");
    176 			freeinv(obj);
    177 			if(obj->owornmask)
    178 				setworn((struct obj *) 0, obj->owornmask);
    179 			obfree(obj, (struct obj *) 0);
    180 			return(TRUE);
    181 		case DEAD_COCKATRICE:
    182 			pline("You hit %s with the cockatrice corpse.",
    183 				monnam(mon));
    184 			if(mon->data->mlet == 'c') {
    185 				tmp = 1;
    186 				hittxt = TRUE;
    187 				break;
    188 			}
    189 			pline("%s is turned to stone!", Monnam(mon));
    190 			killed(mon);
    191 			return(FALSE);
    192 		case CLOVE_OF_GARLIC:		/* no effect against demons */
    193 			if(index(UNDEAD, mon->data->mlet))
    194 				mon->mflee = 1;
    195 			tmp = 1;
    196 			break;
    197 		default:
    198 			/* non-weapons can damage because of their weight */
    199 			/* (but not too much) */
    200 			tmp = obj->owt/10;
    201 			if(tmp < 1) tmp = 1;
    202 			else tmp = rnd(tmp);
    203 			if(tmp > 6) tmp = 6;
    204 		}
    205 
    206 	/****** NOTE: perhaps obj is undefined!! (if !thrown && BOOMERANG) */
    207 
    208 	tmp += u.udaminc + dbon();
    209 	if(u.uswallow) {
    210 		if((tmp -= u.uswldtim) <= 0) {
    211 			pline("Your arms are no longer able to hit.");
    212 			return(TRUE);
    213 		}
    214 	}
    215 	if(tmp < 1) tmp = 1;
    216 	mon->mhp -= tmp;
    217 	if(mon->mhp < 1) {
    218 		killed(mon);
    219 		return(FALSE);
    220 	}
    221 	if(mon->mtame && (!mon->mflee || mon->mfleetim)) {
    222 		mon->mflee = 1;			/* Rick Richardson */
    223 		mon->mfleetim += 10*rnd(tmp);
    224 	}
    225 
    226 	if(!hittxt) {
    227 		if(thrown)
    228 			/* this assumes that we cannot throw plural things */
    229 			hit( xname(obj)  /* or: objects[obj->otyp].oc_name */,
    230 				mon, exclam(tmp) );
    231 		else if(Blind)
    232 			pline("You hit it.");
    233 		else
    234 			pline("You hit %s%s", monnam(mon), exclam(tmp));
    235 	}
    236 
    237 	if(u.umconf && !thrown) {
    238 		if(!Blind) {
    239 			pline("Your hands stop glowing blue.");
    240 			if(!mon->mfroz && !mon->msleep)
    241 				pline("%s appears confused.",Monnam(mon));
    242 		}
    243 		mon->mconf = 1;
    244 		u.umconf = 0;
    245 	}
    246 	return(TRUE);	/* mon still alive */
    247 }
    248 
    249 /* try to attack; return FALSE if monster evaded */
    250 /* u.dx and u.dy must be set */
    251 attack(mtmp)
    252 register struct monst *mtmp;
    253 {
    254 	schar tmp;
    255 	boolean malive = TRUE;
    256 	register struct permonst *mdat;
    257 	mdat = mtmp->data;
    258 
    259 	u_wipe_engr(3);   /* andrew@orca: prevent unlimited pick-axe attacks */
    260 
    261 	if(mdat->mlet == 'L' && !mtmp->mfroz && !mtmp->msleep &&
    262 	   !mtmp->mconf && mtmp->mcansee && !rn2(7) &&
    263 	   (m_move(mtmp, 0) == 2 /* he died */ || /* he moved: */
    264 		mtmp->mx != u.ux+u.dx || mtmp->my != u.uy+u.dy))
    265 		return(FALSE);
    266 
    267 #ifdef DGK
    268 	/* This section of code provides protection against accidentally
    269 	 * hitting peaceful (like '@') and tame (like 'd') monsters.
    270 	 * There is protection only if you're not blind, confused or
    271 	 * invisible.
    272 	 */
    273 	if (flags.confirm && (mtmp->mpeaceful || mtmp->mtame)
    274 	&& !Confusion && !Invisible)
    275 		if (Blind ? Telepat : (!mtmp->minvis || See_invisible)) {
    276 			pline("Really attack?");
    277 			(void) fflush(stdout);
    278 			if (readchar() != 'y') {
    279 				flags.move = 0;
    280 				return(TRUE);
    281 			}
    282 		}
    283 #endif
    284 	if(mtmp->mimic){
    285 		if(!u.ustuck && !mtmp->mflee) u.ustuck = mtmp;
    286 #ifdef DGK
    287 		if (levl[u.ux+u.dx][u.uy+u.dy].scrsym == symbol.door)
    288 			pline("The door actually was a Mimic.");
    289 		else if (levl[u.ux+u.dx][u.uy+u.dy].scrsym == '$')
    290 			pline("The chest was a Mimic!");
    291 		else
    292 			pline("Wait! That's a Mimic!");
    293 #else
    294 		switch(levl[u.ux+u.dx][u.uy+u.dy].scrsym){
    295 		case '+':
    296 			pline("The door actually was a Mimic.");
    297 			break;
    298 		case '$':
    299 			pline("The chest was a Mimic!");
    300 			break;
    301 		default:
    302 			pline("Wait! That's a Mimic!");
    303 		}
    304 #endif
    305 		wakeup(mtmp);	/* clears mtmp->mimic */
    306 		return(TRUE);
    307 	}
    308 
    309 	wakeup(mtmp);
    310 
    311 	if(mtmp->mhide && mtmp->mundetected){
    312 		register struct obj *obj;
    313 
    314 		mtmp->mundetected = 0;
    315 		if((obj = o_at(mtmp->mx,mtmp->my)) && !Blind)
    316 			pline("Wait! There's a %s hiding under %s!",
    317 				mdat->mname, doname(obj));
    318 		return(TRUE);
    319 	}
    320 
    321 	tmp = u.uluck + u.ulevel + mdat->ac + abon();
    322 	if(uwep) {
    323 		if(uwep->olet == WEAPON_SYM || uwep->otyp == PICK_AXE)
    324 			tmp += uwep->spe;
    325 		if(uwep->otyp == TWO_HANDED_SWORD) tmp -= 1;
    326 		else if(uwep->otyp == DAGGER) tmp += 2;
    327 		else if(uwep->otyp == CRYSKNIFE) tmp += 3;
    328 		else if(uwep->otyp == SPEAR &&
    329 			index("XDne", mdat->mlet)) tmp += 2;
    330 	}
    331 	if(mtmp->msleep) {
    332 		mtmp->msleep = 0;
    333 		tmp += 2;
    334 	}
    335 	if(mtmp->mfroz) {
    336 		tmp += 4;
    337 		if(!rn2(10)) mtmp->mfroz = 0;
    338 	}
    339 	if(mtmp->mflee) tmp += 2;
    340 	if(u.utrap) tmp -= 3;
    341 
    342 	/* with a lot of luggage, your agility diminishes */
    343 	tmp -= (inv_weight() + 40)/20;
    344 
    345 	if(tmp <= rnd(20) && !u.uswallow){
    346 		if(Blind) pline("You miss it.");
    347 		else pline("You miss %s.",monnam(mtmp));
    348 	} else {
    349 		/* we hit the monster; be careful: it might die! */
    350 
    351 		if((malive = hmon(mtmp,uwep,0)) == TRUE) {
    352 		/* monster still alive */
    353 			if(!rn2(25) && mtmp->mhp < mtmp->mhpmax/2) {
    354 				mtmp->mflee = 1;
    355 				if(!rn2(3)) mtmp->mfleetim = rnd(100);
    356 				if(u.ustuck == mtmp && !u.uswallow)
    357 					u.ustuck = 0;
    358 			}
    359 #ifndef NOWORM
    360 			if(mtmp->wormno)
    361 				cutworm(mtmp, u.ux+u.dx, u.uy+u.dy,
    362 					uwep ? uwep->otyp : 0);
    363 #endif /* NOWORM /**/
    364 		}
    365 		if(mdat->mlet == 'a') {
    366 			if(rn2(2)) {
    367 				pline("You are splashed by the blob's acid!");
    368 				losehp_m(rnd(6), mtmp);
    369 				if(!rn2(30)) corrode_armor();
    370 			}
    371 			if(!rn2(6)) corrode_weapon();
    372 		}
    373 	}
    374 	if(malive && mdat->mlet == 'E' && canseemon(mtmp)
    375 	   && !mtmp->mcan && rn2(3)) {
    376 	    if(mtmp->mcansee) {
    377 	      pline("You are frozen by the floating eye's gaze!");
    378 	      nomul((u.ulevel > 6 || rn2(4)) ? rn1(20,-21) : -200);
    379 	    } else {
    380 	      pline("The blinded floating eye cannot defend itself.");
    381 	      if(!rn2(500)) if((int)u.uluck > LUCKMIN) u.uluck--;
    382 	    }
    383 	}
    384 	return(TRUE);
    385 }