xref: /original-bsd/games/hack/hack.apply.c (revision 7bad34b3)
1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
2 /* hack.apply.c - version 1.0.3 */
3 
4 #include	"hack.h"
5 #include	"def.edog.h"
6 #include	"def.mkroom.h"
7 extern struct monst *bchit();
8 extern struct obj *addinv();
9 extern struct trap *maketrap();
10 extern int (*occupation)();
11 extern char *occtxt;
12 extern char quitchars[];
13 extern char pl_character[];
14 
15 static void use_camera(), use_ice_box(), use_whistle(), use_magic_whistle();
16 static int use_pick_axe();
17 
18 doapply() {
19 	register struct obj *obj;
20 	register int res = 1;
21 
22 	obj = getobj("(", "use or apply");
23 	if(!obj) return(0);
24 
25 	switch(obj->otyp){
26 	case EXPENSIVE_CAMERA:
27 		use_camera(obj); break;
28 	case ICE_BOX:
29 		use_ice_box(obj); break;
30 	case PICK_AXE:
31 		res = use_pick_axe(obj);
32 		break;
33 
34 	case MAGIC_WHISTLE:
35 		if(pl_character[0] == 'W' || u.ulevel > 9) {
36 			use_magic_whistle(obj);
37 			break;
38 		}
39 		/* fall into next case */
40 	case WHISTLE:
41 		use_whistle(obj);
42 		break;
43 
44 	case CAN_OPENER:
45 		if(!carrying(TIN)) {
46 			pline("You have no can to open.");
47 			goto xit;
48 		}
49 		pline("You cannot open a tin without eating its contents.");
50 		pline("In order to eat, use the 'e' command.");
51 		if(obj != uwep)
52     pline("Opening the tin will be much easier if you wield the can-opener.");
53 		goto xit;
54 
55 	default:
56 		pline("Sorry, I don't know how to use that.");
57 	xit:
58 		nomul(0);
59 		return(0);
60 	}
61 	nomul(0);
62 	return(res);
63 }
64 
65 /* ARGSUSED */
66 static void
67 use_camera(obj) /* register */ struct obj *obj; {
68 register struct monst *mtmp;
69 	if(!getdir(1)){		/* ask: in what direction? */
70 		flags.move = multi = 0;
71 		return;
72 	}
73 	if(u.uswallow) {
74 		pline("You take a picture of %s's stomach.", monnam(u.ustuck));
75 		return;
76 	}
77 	if(u.dz) {
78 		pline("You take a picture of the %s.",
79 			(u.dz > 0) ? "floor" : "ceiling");
80 		return;
81 	}
82 	if(mtmp = bchit(u.dx, u.dy, COLNO, '!')) {
83 		if(mtmp->msleep){
84 			mtmp->msleep = 0;
85 			pline("The flash awakens %s.", monnam(mtmp)); /* a3 */
86 		} else
87 		if(mtmp->data->mlet != 'y')
88 		if(mtmp->mcansee || mtmp->mblinded){
89 			register int tmp = dist(mtmp->mx,mtmp->my);
90 			register int tmp2;
91 			if(cansee(mtmp->mx,mtmp->my))
92 			  pline("%s is blinded by the flash!", Monnam(mtmp));
93 			setmangry(mtmp);
94 			if(tmp < 9 && !mtmp->isshk && rn2(4)) {
95 				mtmp->mflee = 1;
96 				if(rn2(4)) mtmp->mfleetim = rnd(100);
97 			}
98 			if(tmp < 3) mtmp->mcansee  = mtmp->mblinded = 0;
99 			else {
100 				tmp2 = mtmp->mblinded;
101 				tmp2 += rnd(1 + 50/tmp);
102 				if(tmp2 > 127) tmp2 = 127;
103 				mtmp->mblinded = tmp2;
104 				mtmp->mcansee = 0;
105 			}
106 		}
107 	}
108 }
109 
110 static
111 struct obj *current_ice_box;	/* a local variable of use_ice_box, to be
112 				used by its local procedures in/ck_ice_box */
113 static
114 in_ice_box(obj) register struct obj *obj; {
115 	if(obj == current_ice_box ||
116 		(Punished && (obj == uball || obj == uchain))){
117 		pline("You must be kidding.");
118 		return(0);
119 	}
120 	if(obj->owornmask & (W_ARMOR | W_RING)) {
121 		pline("You cannot refrigerate something you are wearing.");
122 		return(0);
123 	}
124 	if(obj->owt + current_ice_box->owt > 70) {
125 		pline("It won't fit.");
126 		return(1);	/* be careful! */
127 	}
128 	if(obj == uwep) {
129 		if(uwep->cursed) {
130 			pline("Your weapon is welded to your hand!");
131 			return(0);
132 		}
133 		setuwep((struct obj *) 0);
134 	}
135 	current_ice_box->owt += obj->owt;
136 	freeinv(obj);
137 	obj->o_cnt_id = current_ice_box->o_id;
138 	obj->nobj = fcobj;
139 	fcobj = obj;
140 	obj->age = moves - obj->age;	/* actual age */
141 	return(1);
142 }
143 
144 static
145 ck_ice_box(obj) register struct obj *obj; {
146 	return(obj->o_cnt_id == current_ice_box->o_id);
147 }
148 
149 static
150 out_ice_box(obj) register struct obj *obj; {
151 register struct obj *otmp;
152 	if(obj == fcobj) fcobj = fcobj->nobj;
153 	else {
154 		for(otmp = fcobj; otmp->nobj != obj; otmp = otmp->nobj)
155 			if(!otmp->nobj) panic("out_ice_box");
156 		otmp->nobj = obj->nobj;
157 	}
158 	current_ice_box->owt -= obj->owt;
159 	obj->age = moves - obj->age;	/* simulated point of time */
160 	(void) addinv(obj);
161 }
162 
163 static void
164 use_ice_box(obj) register struct obj *obj; {
165 register int cnt = 0;
166 register struct obj *otmp;
167 	current_ice_box = obj;	/* for use by in/out_ice_box */
168 	for(otmp = fcobj; otmp; otmp = otmp->nobj)
169 		if(otmp->o_cnt_id == obj->o_id)
170 			cnt++;
171 	if(!cnt) pline("Your ice-box is empty.");
172 	else {
173 	    pline("Do you want to take something out of the ice-box? [yn] ");
174 	    if(readchar() == 'y')
175 		if(askchain(fcobj, (char *) 0, 0, out_ice_box, ck_ice_box, 0))
176 		    return;
177 		pline("That was all. Do you wish to put something in? [yn] ");
178 		if(readchar() != 'y') return;
179 	}
180 	/* call getobj: 0: allow cnt; #: allow all types; %: expect food */
181 	otmp = getobj("0#%", "put in");
182 	if(!otmp || !in_ice_box(otmp))
183 		flags.move = multi = 0;
184 }
185 
186 static
187 struct monst *
188 bchit(ddx,ddy,range,sym) register int ddx,ddy,range; char sym; {
189 	register struct monst *mtmp = (struct monst *) 0;
190 	register int bchx = u.ux, bchy = u.uy;
191 
192 	if(sym) Tmp_at(-1, sym);	/* open call */
193 	while(range--) {
194 		bchx += ddx;
195 		bchy += ddy;
196 		if(mtmp = m_at(bchx,bchy))
197 			break;
198 		if(!ZAP_POS(levl[bchx][bchy].typ)) {
199 			bchx -= ddx;
200 			bchy -= ddy;
201 			break;
202 		}
203 		if(sym) Tmp_at(bchx, bchy);
204 	}
205 	if(sym) Tmp_at(-1, -1);
206 	return(mtmp);
207 }
208 
209 /* ARGSUSED */
210 static void
211 use_whistle(obj) struct obj *obj; {
212 register struct monst *mtmp = fmon;
213 	pline("You produce a high whistling sound.");
214 	while(mtmp) {
215 		if(dist(mtmp->mx,mtmp->my) < u.ulevel*20) {
216 			if(mtmp->msleep)
217 				mtmp->msleep = 0;
218 			if(mtmp->mtame)
219 				EDOG(mtmp)->whistletime = moves;
220 		}
221 		mtmp = mtmp->nmon;
222 	}
223 }
224 
225 /* ARGSUSED */
226 static void
227 use_magic_whistle(obj) struct obj *obj; {
228 register struct monst *mtmp = fmon;
229 	pline("You produce a strange whistling sound.");
230 	while(mtmp) {
231 		if(mtmp->mtame) mnexto(mtmp);
232 		mtmp = mtmp->nmon;
233 	}
234 }
235 
236 static int dig_effort;	/* effort expended on current pos */
237 static uchar dig_level;
238 static coord dig_pos;
239 static boolean dig_down;
240 
241 static
242 dig() {
243 	register struct rm *lev;
244 	register dpx = dig_pos.x, dpy = dig_pos.y;
245 
246 	/* perhaps a nymph stole his pick-axe while he was busy digging */
247 	/* or perhaps he teleported away */
248 	if(u.uswallow || !uwep || uwep->otyp != PICK_AXE ||
249 	    dig_level != dlevel ||
250 	    ((dig_down && (dpx != u.ux || dpy != u.uy)) ||
251 	     (!dig_down && dist(dpx,dpy) > 2)))
252 		return(0);
253 
254 	dig_effort += 10 + abon() + uwep->spe + rn2(5);
255 	if(dig_down) {
256 		if(!xdnstair) {
257 			pline("The floor here seems too hard to dig in.");
258 			return(0);
259 		}
260 		if(dig_effort > 250) {
261 			dighole();
262 			return(0);	/* done with digging */
263 		}
264 		if(dig_effort > 50) {
265 			register struct trap *ttmp = t_at(dpx,dpy);
266 
267 			if(!ttmp) {
268 				ttmp = maketrap(dpx,dpy,PIT);
269 				ttmp->tseen = 1;
270 				pline("You have dug a pit.");
271 				u.utrap = rn1(4,2);
272 				u.utraptype = TT_PIT;
273 				return(0);
274 			}
275 		}
276 	} else
277 	if(dig_effort > 100) {
278 		register char *digtxt;
279 		register struct obj *obj;
280 
281 		lev = &levl[dpx][dpy];
282 		if(obj = sobj_at(ENORMOUS_ROCK, dpx, dpy)) {
283 			fracture_rock(obj);
284 			digtxt = "The rock falls apart.";
285 		} else if(!lev->typ || lev->typ == SCORR) {
286 			lev->typ = CORR;
287 			digtxt = "You succeeded in cutting away some rock.";
288 		} else if(lev->typ == HWALL || lev->typ == VWALL
289 					    || lev->typ == SDOOR) {
290 			lev->typ = xdnstair ? DOOR : ROOM;
291 			digtxt = "You just made an opening in the wall.";
292 		} else
293 		  digtxt = "Now what exactly was it that you were digging in?";
294 		mnewsym(dpx, dpy);
295 		prl(dpx, dpy);
296 		pline(digtxt);		/* after mnewsym & prl */
297 		return(0);
298 	} else {
299 		if(IS_WALL(levl[dpx][dpy].typ)) {
300 			register int rno = inroom(dpx,dpy);
301 
302 			if(rno >= 0 && rooms[rno].rtype >= 8) {
303 			  pline("This wall seems too hard to dig into.");
304 			  return(0);
305 			}
306 		}
307 		pline("You hit the rock with all your might.");
308 	}
309 	return(1);
310 }
311 
312 /* When will hole be finished? Very rough indication used by shopkeeper. */
313 holetime() {
314 	return( (occupation == dig) ? (250 - dig_effort)/20 : -1);
315 }
316 
317 dighole()
318 {
319 	register struct trap *ttmp = t_at(u.ux, u.uy);
320 
321 	if(!xdnstair) {
322 		pline("The floor here seems too hard to dig in.");
323 	} else {
324 		if(ttmp)
325 			ttmp->ttyp = TRAPDOOR;
326 		else
327 			ttmp = maketrap(u.ux, u.uy, TRAPDOOR);
328 		ttmp->tseen = 1;
329 		pline("You've made a hole in the floor.");
330 		if(!u.ustuck) {
331 			if(inshop())
332 				shopdig(1);
333 			pline("You fall through ...");
334 			if(u.utraptype == TT_PIT) {
335 				u.utrap = 0;
336 				u.utraptype = 0;
337 			}
338 			goto_level(dlevel+1, FALSE);
339 		}
340 	}
341 }
342 
343 static
344 use_pick_axe(obj)
345 struct obj *obj;
346 {
347 	char dirsyms[12];
348 	extern char sdir[];
349 	register char *dsp = dirsyms, *sdp = sdir;
350 	register struct monst *mtmp;
351 	register struct rm *lev;
352 	register int rx, ry, res = 0;
353 
354 	if(obj != uwep) {
355 		if(uwep && uwep->cursed) {
356 			/* Andreas Bormann - ihnp4!decvax!mcvax!unido!ab */
357 			pline("Since your weapon is welded to your hand,");
358 			pline("you cannot use that pick-axe.");
359 			return(0);
360 		}
361 		pline("You now wield %s.", doname(obj));
362 		setuwep(obj);
363 		res = 1;
364 	}
365 	while(*sdp) {
366 		(void) movecmd(*sdp);	/* sets u.dx and u.dy and u.dz */
367 		rx = u.ux + u.dx;
368 		ry = u.uy + u.dy;
369 		if(u.dz > 0 || (u.dz == 0 && isok(rx, ry) &&
370 		    (IS_ROCK(levl[rx][ry].typ)
371 		    || sobj_at(ENORMOUS_ROCK, rx, ry))))
372 			*dsp++ = *sdp;
373 		sdp++;
374 	}
375 	*dsp = 0;
376 	pline("In what direction do you want to dig? [%s] ", dirsyms);
377 	if(!getdir(0))		/* no txt */
378 		return(res);
379 	if(u.uswallow && attack(u.ustuck)) /* return(1) */;
380 	else
381 	if(u.dz < 0)
382 		pline("You cannot reach the ceiling.");
383 	else
384 	if(u.dz == 0) {
385 		if(Confusion)
386 			confdir();
387 		rx = u.ux + u.dx;
388 		ry = u.uy + u.dy;
389 		if((mtmp = m_at(rx, ry)) && attack(mtmp))
390 			return(1);
391 		if(!isok(rx, ry)) {
392 			pline("Clash!");
393 			return(1);
394 		}
395 		lev = &levl[rx][ry];
396 		if(lev->typ == DOOR)
397 			pline("Your %s against the door.",
398 				aobjnam(obj, "clang"));
399 		else if(!IS_ROCK(lev->typ)
400 		     && !sobj_at(ENORMOUS_ROCK, rx, ry)) {
401 			/* ACCESSIBLE or POOL */
402 			pline("You swing your %s through thin air.",
403 				aobjnam(obj, (char *) 0));
404 		} else {
405 			if(dig_pos.x != rx || dig_pos.y != ry
406 			    || dig_level != dlevel || dig_down) {
407 				dig_down = FALSE;
408 				dig_pos.x = rx;
409 				dig_pos.y = ry;
410 				dig_level = dlevel;
411 				dig_effort = 0;
412 				pline("You start digging.");
413 			} else
414 				pline("You continue digging.");
415 			occupation = dig;
416 			occtxt = "digging";
417 		}
418 	} else if(Levitation) {
419 		pline("You cannot reach the floor.");
420 	} else {
421 		if(dig_pos.x != u.ux || dig_pos.y != u.uy
422 		    || dig_level != dlevel || !dig_down) {
423 			dig_down = TRUE;
424 			dig_pos.x = u.ux;
425 			dig_pos.y = u.uy;
426 			dig_level = dlevel;
427 			dig_effort = 0;
428 			pline("You start digging in the floor.");
429 			if(inshop())
430 				shopdig(0);
431 		} else
432 			pline("You continue digging in the floor.");
433 		occupation = dig;
434 		occtxt = "digging";
435 	}
436 	return(1);
437 }
438