xref: /386bsd/usr/src/games/hack/hack.fight.c (revision a2142627)
1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
2 /* hack.fight.c - version 1.0.3 */
3 
4 #include	"hack.h"
5 extern struct permonst li_dog, dog, la_dog;
6 extern char *exclam(), *xname();
7 extern struct obj *mkobj_at();
8 
9 static boolean far_noise;
10 static long noisetime;
11 
12 /* hitmm returns 0 (miss), 1 (hit), or 2 (kill) */
hitmm(magr,mdef)13 hitmm(magr,mdef) register struct monst *magr,*mdef; {
14 register struct permonst *pa = magr->data, *pd = mdef->data;
15 int hit;
16 schar tmp;
17 boolean vis;
18 	if(index("Eauy", pa->mlet)) return(0);
19 	if(magr->mfroz) return(0);		/* riv05!a3 */
20 	tmp = pd->ac + pa->mlevel;
21 	if(mdef->mconf || mdef->mfroz || mdef->msleep){
22 		tmp += 4;
23 		if(mdef->msleep) mdef->msleep = 0;
24 	}
25 	hit = (tmp > rnd(20));
26 	if(hit) mdef->msleep = 0;
27 	vis = (cansee(magr->mx,magr->my) && cansee(mdef->mx,mdef->my));
28 	if(vis){
29 		char buf[BUFSZ];
30 		if(mdef->mimic) seemimic(mdef);
31 		if(magr->mimic) seemimic(magr);
32 		(void) sprintf(buf,"%s %s", Monnam(magr),
33 			hit ? "hits" : "misses");
34 		pline("%s %s.", buf, monnam(mdef));
35 	} else {
36 		boolean far = (dist(magr->mx, magr->my) > 15);
37 		if(far != far_noise || moves-noisetime > 10) {
38 			far_noise = far;
39 			noisetime = moves;
40 			pline("You hear some noises%s.",
41 				far ? " in the distance" : "");
42 		}
43 	}
44 	if(hit){
45 		if(magr->data->mlet == 'c' && !magr->cham) {
46 			magr->mhpmax += 3;
47 			if(vis) pline("%s is turned to stone!", Monnam(mdef));
48 			else if(mdef->mtame)
49      pline("You have a peculiarly sad feeling for a moment, then it passes.");
50 			monstone(mdef);
51 			hit = 2;
52 		} else
53 		if((mdef->mhp -= d(pa->damn,pa->damd)) < 1) {
54 			magr->mhpmax += 1 + rn2(pd->mlevel+1);
55 			if(magr->mtame && magr->mhpmax > 8*pa->mlevel){
56 				if(pa == &li_dog) magr->data = pa = &dog;
57 				else if(pa == &dog) magr->data = pa = &la_dog;
58 			}
59 			if(vis) pline("%s is killed!", Monnam(mdef));
60 			else if(mdef->mtame)
61 		pline("You have a sad feeling for a moment, then it passes.");
62 			mondied(mdef);
63 			hit = 2;
64 		}
65 	}
66 	return(hit);
67 }
68 
69 /* drop (perhaps) a cadaver and remove monster */
mondied(mdef)70 mondied(mdef) register struct monst *mdef; {
71 register struct permonst *pd = mdef->data;
72 		if(letter(pd->mlet) && rn2(3)){
73 			(void) mkobj_at(pd->mlet,mdef->mx,mdef->my);
74 			if(cansee(mdef->mx,mdef->my)){
75 				unpmon(mdef);
76 				atl(mdef->mx,mdef->my,fobj->olet);
77 			}
78 			stackobj(fobj);
79 		}
80 		mondead(mdef);
81 }
82 
83 /* drop a rock and remove monster */
monstone(mdef)84 monstone(mdef) register struct monst *mdef; {
85 	extern char mlarge[];
86 	if(index(mlarge, mdef->data->mlet))
87 		mksobj_at(ENORMOUS_ROCK, mdef->mx, mdef->my);
88 	else
89 		mksobj_at(ROCK, mdef->mx, mdef->my);
90 	if(cansee(mdef->mx, mdef->my)){
91 		unpmon(mdef);
92 		atl(mdef->mx,mdef->my,fobj->olet);
93 	}
94 	mondead(mdef);
95 }
96 
97 
fightm(mtmp)98 fightm(mtmp) register struct monst *mtmp; {
99 register struct monst *mon;
100 	for(mon = fmon; mon; mon = mon->nmon) if(mon != mtmp) {
101 		if(DIST(mon->mx,mon->my,mtmp->mx,mtmp->my) < 3)
102 		    if(rn2(4))
103 			return(hitmm(mtmp,mon));
104 	}
105 	return(-1);
106 }
107 
108 /* u is hit by sth, but not a monster */
thitu(tlev,dam,name)109 thitu(tlev,dam,name)
110 register tlev,dam;
111 register char *name;
112 {
113 char buf[BUFSZ];
114 	setan(name,buf);
115 	if(u.uac + tlev <= rnd(20)) {
116 		if(Blind) pline("It misses.");
117 		else pline("You are almost hit by %s!", buf);
118 		return(0);
119 	} else {
120 		if(Blind) pline("You are hit!");
121 		else pline("You are hit by %s!", buf);
122 		losehp(dam,name);
123 		return(1);
124 	}
125 }
126 
127 char mlarge[] = "bCDdegIlmnoPSsTUwY',&";
128 
129 boolean
hmon(mon,obj,thrown)130 hmon(mon,obj,thrown)	/* return TRUE if mon still alive */
131 register struct monst *mon;
132 register struct obj *obj;
133 register thrown;
134 {
135 	register tmp;
136 	boolean hittxt = FALSE;
137 
138 	if(!obj){
139 		tmp = rnd(2);	/* attack with bare hands */
140 		if(mon->data->mlet == 'c' && !uarmg){
141 			pline("You hit the cockatrice with your bare hands.");
142 			pline("You turn to stone ...");
143 			done_in_by(mon);
144 		}
145 	} else if(obj->olet == WEAPON_SYM || obj->otyp == PICK_AXE) {
146 	    if(obj == uwep && (obj->otyp > SPEAR || obj->otyp < BOOMERANG))
147 		tmp = rnd(2);
148 	    else {
149 		if(index(mlarge, mon->data->mlet)) {
150 			tmp = rnd(objects[obj->otyp].wldam);
151 			if(obj->otyp == TWO_HANDED_SWORD) tmp += d(2,6);
152 			else if(obj->otyp == FLAIL) tmp += rnd(4);
153 		} else {
154 			tmp = rnd(objects[obj->otyp].wsdam);
155 		}
156 		tmp += obj->spe;
157 		if(!thrown && obj == uwep && obj->otyp == BOOMERANG
158 		 && !rn2(3)){
159 		  pline("As you hit %s, the boomerang breaks into splinters.",
160 				monnam(mon));
161 			freeinv(obj);
162 			setworn((struct obj *) 0, obj->owornmask);
163 			obfree(obj, (struct obj *) 0);
164 			tmp++;
165 		}
166 	    }
167 	    if(mon->data->mlet == 'O' && obj->otyp == TWO_HANDED_SWORD &&
168 		!strcmp(ONAME(obj), "Orcrist"))
169 		tmp += rnd(10);
170 	} else	switch(obj->otyp) {
171 		case HEAVY_IRON_BALL:
172 			tmp = rnd(25); break;
173 		case EXPENSIVE_CAMERA:
174 	pline("You succeed in destroying your camera. Congratulations!");
175 			freeinv(obj);
176 			if(obj->owornmask)
177 				setworn((struct obj *) 0, obj->owornmask);
178 			obfree(obj, (struct obj *) 0);
179 			return(TRUE);
180 		case DEAD_COCKATRICE:
181 			pline("You hit %s with the cockatrice corpse.",
182 				monnam(mon));
183 			if(mon->data->mlet == 'c') {
184 				tmp = 1;
185 				hittxt = TRUE;
186 				break;
187 			}
188 			pline("%s is turned to stone!", Monnam(mon));
189 			killed(mon);
190 			return(FALSE);
191 		case CLOVE_OF_GARLIC:		/* no effect against demons */
192 			if(index(UNDEAD, mon->data->mlet))
193 				mon->mflee = 1;
194 			tmp = 1;
195 			break;
196 		default:
197 			/* non-weapons can damage because of their weight */
198 			/* (but not too much) */
199 			tmp = obj->owt/10;
200 			if(tmp < 1) tmp = 1;
201 			else tmp = rnd(tmp);
202 			if(tmp > 6) tmp = 6;
203 		}
204 
205 	/****** NOTE: perhaps obj is undefined!! (if !thrown && BOOMERANG) */
206 
207 	tmp += u.udaminc + dbon();
208 	if(u.uswallow) {
209 		if((tmp -= u.uswldtim) <= 0) {
210 			pline("Your arms are no longer able to hit.");
211 			return(TRUE);
212 		}
213 	}
214 	if(tmp < 1) tmp = 1;
215 	mon->mhp -= tmp;
216 	if(mon->mhp < 1) {
217 		killed(mon);
218 		return(FALSE);
219 	}
220 	if(mon->mtame && (!mon->mflee || mon->mfleetim)) {
221 		mon->mflee = 1;			/* Rick Richardson */
222 		mon->mfleetim += 10*rnd(tmp);
223 	}
224 
225 	if(!hittxt) {
226 		if(thrown)
227 			/* this assumes that we cannot throw plural things */
228 			hit( xname(obj)  /* or: objects[obj->otyp].oc_name */,
229 				mon, exclam(tmp) );
230 		else if(Blind)
231 			pline("You hit it.");
232 		else
233 			pline("You hit %s%s", monnam(mon), exclam(tmp));
234 	}
235 
236 	if(u.umconf && !thrown) {
237 		if(!Blind) {
238 			pline("Your hands stop glowing blue.");
239 			if(!mon->mfroz && !mon->msleep)
240 				pline("%s appears confused.",Monnam(mon));
241 		}
242 		mon->mconf = 1;
243 		u.umconf = 0;
244 	}
245 	return(TRUE);	/* mon still alive */
246 }
247 
248 /* try to attack; return FALSE if monster evaded */
249 /* u.dx and u.dy must be set */
attack(mtmp)250 attack(mtmp)
251 register struct monst *mtmp;
252 {
253 	schar tmp;
254 	boolean malive = TRUE;
255 	register struct permonst *mdat;
256 	mdat = mtmp->data;
257 
258 	u_wipe_engr(3);   /* andrew@orca: prevent unlimited pick-axe attacks */
259 
260 	if(mdat->mlet == 'L' && !mtmp->mfroz && !mtmp->msleep &&
261 	   !mtmp->mconf && mtmp->mcansee && !rn2(7) &&
262 	   (m_move(mtmp, 0) == 2 /* he died */ || /* he moved: */
263 		mtmp->mx != u.ux+u.dx || mtmp->my != u.uy+u.dy))
264 		return(FALSE);
265 
266 	if(mtmp->mimic){
267 		if(!u.ustuck && !mtmp->mflee) u.ustuck = mtmp;
268 		switch(levl[u.ux+u.dx][u.uy+u.dy].scrsym){
269 		case '+':
270 			pline("The door actually was a Mimic.");
271 			break;
272 		case '$':
273 			pline("The chest was a Mimic!");
274 			break;
275 		default:
276 			pline("Wait! That's a Mimic!");
277 		}
278 		wakeup(mtmp);	/* clears mtmp->mimic */
279 		return(TRUE);
280 	}
281 
282 	wakeup(mtmp);
283 
284 	if(mtmp->mhide && mtmp->mundetected){
285 		register struct obj *obj;
286 
287 		mtmp->mundetected = 0;
288 		if((obj = o_at(mtmp->mx,mtmp->my)) && !Blind)
289 			pline("Wait! There's a %s hiding under %s!",
290 				mdat->mname, doname(obj));
291 		return(TRUE);
292 	}
293 
294 	tmp = u.uluck + u.ulevel + mdat->ac + abon();
295 	if(uwep) {
296 		if(uwep->olet == WEAPON_SYM || uwep->otyp == PICK_AXE)
297 			tmp += uwep->spe;
298 		if(uwep->otyp == TWO_HANDED_SWORD) tmp -= 1;
299 		else if(uwep->otyp == DAGGER) tmp += 2;
300 		else if(uwep->otyp == CRYSKNIFE) tmp += 3;
301 		else if(uwep->otyp == SPEAR &&
302 			index("XDne", mdat->mlet)) tmp += 2;
303 	}
304 	if(mtmp->msleep) {
305 		mtmp->msleep = 0;
306 		tmp += 2;
307 	}
308 	if(mtmp->mfroz) {
309 		tmp += 4;
310 		if(!rn2(10)) mtmp->mfroz = 0;
311 	}
312 	if(mtmp->mflee) tmp += 2;
313 	if(u.utrap) tmp -= 3;
314 
315 	/* with a lot of luggage, your agility diminishes */
316 	tmp -= (inv_weight() + 40)/20;
317 
318 	if(tmp <= rnd(20) && !u.uswallow){
319 		if(Blind) pline("You miss it.");
320 		else pline("You miss %s.",monnam(mtmp));
321 	} else {
322 		/* we hit the monster; be careful: it might die! */
323 
324 		if((malive = hmon(mtmp,uwep,0)) == TRUE) {
325 		/* monster still alive */
326 			if(!rn2(25) && mtmp->mhp < mtmp->mhpmax/2) {
327 				mtmp->mflee = 1;
328 				if(!rn2(3)) mtmp->mfleetim = rnd(100);
329 				if(u.ustuck == mtmp && !u.uswallow)
330 					u.ustuck = 0;
331 			}
332 #ifndef NOWORM
333 			if(mtmp->wormno)
334 				cutworm(mtmp, u.ux+u.dx, u.uy+u.dy,
335 					uwep ? uwep->otyp : 0);
336 #endif NOWORM
337 		}
338 		if(mdat->mlet == 'a') {
339 			if(rn2(2)) {
340 				pline("You are splashed by the blob's acid!");
341 				losehp_m(rnd(6), mtmp);
342 				if(!rn2(30)) corrode_armor();
343 			}
344 			if(!rn2(6)) corrode_weapon();
345 		}
346 	}
347 	if(malive && mdat->mlet == 'E' && canseemon(mtmp)
348 	   && !mtmp->mcan && rn2(3)) {
349 	    if(mtmp->mcansee) {
350 	      pline("You are frozen by the floating eye's gaze!");
351 	      nomul((u.ulevel > 6 || rn2(4)) ? rn1(20,-21) : -200);
352 	    } else {
353 	      pline("The blinded floating eye cannot defend itself.");
354 	      if(!rn2(500)) if((int)u.uluck > LUCKMIN) u.uluck--;
355 	    }
356 	}
357 	return(TRUE);
358 }
359