xref: /dragonfly/games/hack/hack.fight.c (revision 1bf4b486)
1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
2 /* hack.fight.c - version 1.0.3 */
3 /* $FreeBSD: src/games/hack/hack.fight.c,v 1.5 1999/11/16 10:26:36 marcel Exp $ */
4 /* $DragonFly: src/games/hack/hack.fight.c,v 1.4 2005/05/22 03:37:05 y0netan1 Exp $ */
5 
6 #include	"hack.h"
7 extern struct permonst li_dog, dog, la_dog;
8 extern char *xname();
9 extern struct obj *mkobj_at();
10 
11 static boolean far_noise;
12 static long noisetime;
13 
14 /* hitmm returns 0 (miss), 1 (hit), or 2 (kill) */
15 hitmm(magr,mdef) struct monst *magr,*mdef; {
16 struct permonst *pa = magr->data, *pd = mdef->data;
17 int hit;
18 schar tmp;
19 boolean vis;
20 	if(index("Eauy", pa->mlet)) return(0);
21 	if(magr->mfroz) return(0);		/* riv05!a3 */
22 	tmp = pd->ac + pa->mlevel;
23 	if(mdef->mconf || mdef->mfroz || mdef->msleep){
24 		tmp += 4;
25 		if(mdef->msleep) mdef->msleep = 0;
26 	}
27 	hit = (tmp > rnd(20));
28 	if(hit) mdef->msleep = 0;
29 	vis = (cansee(magr->mx,magr->my) && cansee(mdef->mx,mdef->my));
30 	if(vis){
31 		char buf[BUFSZ];
32 		if(mdef->mimic) seemimic(mdef);
33 		if(magr->mimic) seemimic(magr);
34 		(void) sprintf(buf,"%s %s", Monnam(magr),
35 			hit ? "hits" : "misses");
36 		pline("%s %s.", buf, monnam(mdef));
37 	} else {
38 		boolean far = (dist(magr->mx, magr->my) > 15);
39 		if(far != far_noise || moves-noisetime > 10) {
40 			far_noise = far;
41 			noisetime = moves;
42 			pline("You hear some noises%s.",
43 				far ? " in the distance" : "");
44 		}
45 	}
46 	if(hit){
47 		if(magr->data->mlet == 'c' && !magr->cham) {
48 			magr->mhpmax += 3;
49 			if(vis) pline("%s is turned to stone!", Monnam(mdef));
50 			else if(mdef->mtame)
51      pline("You have a peculiarly sad feeling for a moment, then it passes.");
52 			monstone(mdef);
53 			hit = 2;
54 		} else
55 		if((mdef->mhp -= d(pa->damn,pa->damd)) < 1) {
56 			magr->mhpmax += 1 + rn2(pd->mlevel+1);
57 			if(magr->mtame && magr->mhpmax > 8*pa->mlevel){
58 				if(pa == &li_dog) magr->data = pa = &dog;
59 				else if(pa == &dog) magr->data = pa = &la_dog;
60 			}
61 			if(vis) pline("%s is killed!", Monnam(mdef));
62 			else if(mdef->mtame)
63 		pline("You have a sad feeling for a moment, then it passes.");
64 			mondied(mdef);
65 			hit = 2;
66 		}
67 	}
68 	return(hit);
69 }
70 
71 /* drop (perhaps) a cadaver and remove monster */
72 mondied(mdef) struct monst *mdef; {
73 struct permonst *pd = mdef->data;
74 		if(letter(pd->mlet) && rn2(3)){
75 			(void) mkobj_at(pd->mlet,mdef->mx,mdef->my);
76 			if(cansee(mdef->mx,mdef->my)){
77 				unpmon(mdef);
78 				atl(mdef->mx,mdef->my,fobj->olet);
79 			}
80 			stackobj(fobj);
81 		}
82 		mondead(mdef);
83 }
84 
85 /* drop a rock and remove monster */
86 monstone(mdef) struct monst *mdef; {
87 	extern char mlarge[];
88 	if(index(mlarge, mdef->data->mlet))
89 		mksobj_at(ENORMOUS_ROCK, mdef->mx, mdef->my);
90 	else
91 		mksobj_at(ROCK, mdef->mx, mdef->my);
92 	if(cansee(mdef->mx, mdef->my)){
93 		unpmon(mdef);
94 		atl(mdef->mx,mdef->my,fobj->olet);
95 	}
96 	mondead(mdef);
97 }
98 
99 
100 fightm(mtmp) struct monst *mtmp; {
101 struct monst *mon;
102 	for(mon = fmon; mon; mon = mon->nmon) if(mon != mtmp) {
103 		if(DIST(mon->mx,mon->my,mtmp->mx,mtmp->my) < 3)
104 		    if(rn2(4))
105 			return(hitmm(mtmp,mon));
106 	}
107 	return(-1);
108 }
109 
110 /* u is hit by sth, but not a monster */
111 thitu(tlev,dam,name)
112 int tlev,dam;
113 char *name;
114 {
115 char buf[BUFSZ];
116 	setan(name,buf);
117 	if(u.uac + tlev <= rnd(20)) {
118 		if(Blind) pline("It misses.");
119 		else pline("You are almost hit by %s!", buf);
120 		return(0);
121 	} else {
122 		if(Blind) pline("You are hit!");
123 		else pline("You are hit by %s!", buf);
124 		losehp(dam,name);
125 		return(1);
126 	}
127 }
128 
129 char mlarge[] = "bCDdegIlmnoPSsTUwY',&";
130 
131 boolean
132 hmon(mon,obj,thrown)	/* return TRUE if mon still alive */
133 struct monst *mon;
134 struct obj *obj;
135 int thrown;
136 {
137 	int tmp;
138 	boolean hittxt = FALSE;
139 
140 	if(!obj){
141 		tmp = rnd(2);	/* attack with bare hands */
142 		if(mon->data->mlet == 'c' && !uarmg){
143 			pline("You hit the cockatrice with your bare hands.");
144 			pline("You turn to stone ...");
145 			done_in_by(mon);
146 		}
147 	} else if(obj->olet == WEAPON_SYM || obj->otyp == PICK_AXE) {
148 	    if(obj == uwep && (obj->otyp > SPEAR || obj->otyp < BOOMERANG))
149 		tmp = rnd(2);
150 	    else {
151 		if(index(mlarge, mon->data->mlet)) {
152 			tmp = rnd(objects[obj->otyp].wldam);
153 			if(obj->otyp == TWO_HANDED_SWORD) tmp += d(2,6);
154 			else if(obj->otyp == FLAIL) tmp += rnd(4);
155 		} else {
156 			tmp = rnd(objects[obj->otyp].wsdam);
157 		}
158 		tmp += obj->spe;
159 		if(!thrown && obj == uwep && obj->otyp == BOOMERANG
160 		 && !rn2(3)){
161 		  pline("As you hit %s, the boomerang breaks into splinters.",
162 				monnam(mon));
163 			freeinv(obj);
164 			setworn((struct obj *) 0, obj->owornmask);
165 			obfree(obj, (struct obj *) 0);
166 			tmp++;
167 		}
168 	    }
169 	    if(mon->data->mlet == 'O' && obj->otyp == TWO_HANDED_SWORD &&
170 		!strcmp(ONAME(obj), "Orcrist"))
171 		tmp += rnd(10);
172 	} else	switch(obj->otyp) {
173 		case HEAVY_IRON_BALL:
174 			tmp = rnd(25); break;
175 		case EXPENSIVE_CAMERA:
176 	pline("You succeed in destroying your camera. Congratulations!");
177 			freeinv(obj);
178 			if(obj->owornmask)
179 				setworn((struct obj *) 0, obj->owornmask);
180 			obfree(obj, (struct obj *) 0);
181 			return(TRUE);
182 		case DEAD_COCKATRICE:
183 			pline("You hit %s with the cockatrice corpse.",
184 				monnam(mon));
185 			if(mon->data->mlet == 'c') {
186 				tmp = 1;
187 				hittxt = TRUE;
188 				break;
189 			}
190 			pline("%s is turned to stone!", Monnam(mon));
191 			killed(mon);
192 			return(FALSE);
193 		case CLOVE_OF_GARLIC:		/* no effect against demons */
194 			if(index(UNDEAD, mon->data->mlet))
195 				mon->mflee = 1;
196 			tmp = 1;
197 			break;
198 		default:
199 			/* non-weapons can damage because of their weight */
200 			/* (but not too much) */
201 			tmp = obj->owt/10;
202 			if(tmp < 1) tmp = 1;
203 			else tmp = rnd(tmp);
204 			if(tmp > 6) tmp = 6;
205 		}
206 
207 	/****** NOTE: perhaps obj is undefined!! (if !thrown && BOOMERANG) */
208 
209 	tmp += u.udaminc + dbon();
210 	if(u.uswallow) {
211 		if((tmp -= u.uswldtim) <= 0) {
212 			pline("Your arms are no longer able to hit.");
213 			return(TRUE);
214 		}
215 	}
216 	if(tmp < 1) tmp = 1;
217 	mon->mhp -= tmp;
218 	if(mon->mhp < 1) {
219 		killed(mon);
220 		return(FALSE);
221 	}
222 	if(mon->mtame && (!mon->mflee || mon->mfleetim)) {
223 		mon->mflee = 1;			/* Rick Richardson */
224 		mon->mfleetim += 10*rnd(tmp);
225 	}
226 
227 	if(!hittxt) {
228 		if(thrown)
229 			/* this assumes that we cannot throw plural things */
230 			hit( xname(obj)  /* or: objects[obj->otyp].oc_name */,
231 				mon, exclam(tmp) );
232 		else if(Blind)
233 			pline("You hit it.");
234 		else
235 			pline("You hit %s%s", monnam(mon), exclam(tmp));
236 	}
237 
238 	if(u.umconf && !thrown) {
239 		if(!Blind) {
240 			pline("Your hands stop glowing blue.");
241 			if(!mon->mfroz && !mon->msleep)
242 				pline("%s appears confused.",Monnam(mon));
243 		}
244 		mon->mconf = 1;
245 		u.umconf = 0;
246 	}
247 	return(TRUE);	/* mon still alive */
248 }
249 
250 /* try to attack; return FALSE if monster evaded */
251 /* u.dx and u.dy must be set */
252 attack(mtmp)
253 struct monst *mtmp;
254 {
255 	schar tmp;
256 	boolean malive = TRUE;
257 	struct permonst *mdat;
258 	mdat = mtmp->data;
259 
260 	u_wipe_engr(3);   /* andrew@orca: prevent unlimited pick-axe attacks */
261 
262 	if(mdat->mlet == 'L' && !mtmp->mfroz && !mtmp->msleep &&
263 	   !mtmp->mconf && mtmp->mcansee && !rn2(7) &&
264 	   (m_move(mtmp, 0) == 2 /* he died */ || /* he moved: */
265 		mtmp->mx != u.ux+u.dx || mtmp->my != u.uy+u.dy))
266 		return(FALSE);
267 
268 	if(mtmp->mimic){
269 		if(!u.ustuck && !mtmp->mflee) u.ustuck = mtmp;
270 		switch(levl[u.ux+u.dx][u.uy+u.dy].scrsym){
271 		case '+':
272 			pline("The door actually was a Mimic.");
273 			break;
274 		case '$':
275 			pline("The chest was a Mimic!");
276 			break;
277 		default:
278 			pline("Wait! That's a Mimic!");
279 		}
280 		wakeup(mtmp);	/* clears mtmp->mimic */
281 		return(TRUE);
282 	}
283 
284 	wakeup(mtmp);
285 
286 	if(mtmp->mhide && mtmp->mundetected){
287 		struct obj *obj;
288 
289 		mtmp->mundetected = 0;
290 		if((obj = o_at(mtmp->mx,mtmp->my)) && !Blind)
291 			pline("Wait! There's a %s hiding under %s!",
292 				mdat->mname, doname(obj));
293 		return(TRUE);
294 	}
295 
296 	tmp = u.uluck + u.ulevel + mdat->ac + abon();
297 	if(uwep) {
298 		if(uwep->olet == WEAPON_SYM || uwep->otyp == PICK_AXE)
299 			tmp += uwep->spe;
300 		if(uwep->otyp == TWO_HANDED_SWORD) tmp -= 1;
301 		else if(uwep->otyp == DAGGER) tmp += 2;
302 		else if(uwep->otyp == CRYSKNIFE) tmp += 3;
303 		else if(uwep->otyp == SPEAR &&
304 			index("XDne", mdat->mlet)) tmp += 2;
305 	}
306 	if(mtmp->msleep) {
307 		mtmp->msleep = 0;
308 		tmp += 2;
309 	}
310 	if(mtmp->mfroz) {
311 		tmp += 4;
312 		if(!rn2(10)) mtmp->mfroz = 0;
313 	}
314 	if(mtmp->mflee) tmp += 2;
315 	if(u.utrap) tmp -= 3;
316 
317 	/* with a lot of luggage, your agility diminishes */
318 	tmp -= (inv_weight() + 40)/20;
319 
320 	if(tmp <= rnd(20) && !u.uswallow){
321 		if(Blind) pline("You miss it.");
322 		else pline("You miss %s.",monnam(mtmp));
323 	} else {
324 		/* we hit the monster; be careful: it might die! */
325 
326 		if((malive = hmon(mtmp,uwep,0)) == TRUE) {
327 		/* monster still alive */
328 			if(!rn2(25) && mtmp->mhp < mtmp->mhpmax/2) {
329 				mtmp->mflee = 1;
330 				if(!rn2(3)) mtmp->mfleetim = rnd(100);
331 				if(u.ustuck == mtmp && !u.uswallow)
332 					u.ustuck = 0;
333 			}
334 #ifndef NOWORM
335 			if(mtmp->wormno)
336 				cutworm(mtmp, u.ux+u.dx, u.uy+u.dy,
337 					uwep ? uwep->otyp : 0);
338 #endif /* NOWORM */
339 		}
340 		if(mdat->mlet == 'a') {
341 			if(rn2(2)) {
342 				pline("You are splashed by the blob's acid!");
343 				losehp_m(rnd(6), mtmp);
344 				if(!rn2(30)) corrode_armor();
345 			}
346 			if(!rn2(6)) corrode_weapon();
347 		}
348 	}
349 	if(malive && mdat->mlet == 'E' && canseemon(mtmp)
350 	   && !mtmp->mcan && rn2(3)) {
351 	    if(mtmp->mcansee) {
352 	      pline("You are frozen by the floating eye's gaze!");
353 	      nomul((u.ulevel > 6 || rn2(4)) ? rn1(20,-21) : -200);
354 	    } else {
355 	      pline("The blinded floating eye cannot defend itself.");
356 	      if(!rn2(500)) if((int)u.uluck > LUCKMIN) u.uluck--;
357 	    }
358 	}
359 	return(TRUE);
360 }
361