xref: /original-bsd/games/hack/hack.apply.c (revision 2bd07fe6)
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 doapply() {
16 	register struct obj *obj;
17 	register int res = 1;
18 
19 	obj = getobj("(", "use or apply");
20 	if(!obj) return(0);
21 
22 	switch(obj->otyp){
23 	case EXPENSIVE_CAMERA:
24 		use_camera(obj); break;
25 	case ICE_BOX:
26 		use_ice_box(obj); break;
27 	case PICK_AXE:
28 		res = use_pick_axe(obj);
29 		break;
30 
31 	case MAGIC_WHISTLE:
32 		if(pl_character[0] == 'W' || u.ulevel > 9) {
33 			use_magic_whistle(obj);
34 			break;
35 		}
36 		/* fall into next case */
37 	case WHISTLE:
38 		use_whistle(obj);
39 		break;
40 
41 	case CAN_OPENER:
42 		if(!carrying(TIN)) {
43 			pline("You have no can to open.");
44 			goto xit;
45 		}
46 		pline("You cannot open a tin without eating its contents.");
47 		pline("In order to eat, use the 'e' command.");
48 		if(obj != uwep)
49     pline("Opening the tin will be much easier if you wield the can-opener.");
50 		goto xit;
51 
52 	default:
53 		pline("Sorry, I don't know how to use that.");
54 	xit:
55 		nomul(0);
56 		return(0);
57 	}
58 	nomul(0);
59 	return(res);
60 }
61 
62 /* ARGSUSED */
63 static
64 use_camera(obj) /* register */ struct obj *obj; {
65 register struct monst *mtmp;
66 	if(!getdir(1)){		/* ask: in what direction? */
67 		flags.move = multi = 0;
68 		return;
69 	}
70 	if(u.uswallow) {
71 		pline("You take a picture of %s's stomach.", monnam(u.ustuck));
72 		return;
73 	}
74 	if(u.dz) {
75 		pline("You take a picture of the %s.",
76 			(u.dz > 0) ? "floor" : "ceiling");
77 		return;
78 	}
79 	if(mtmp = bchit(u.dx, u.dy, COLNO, '!')) {
80 		if(mtmp->msleep){
81 			mtmp->msleep = 0;
82 			pline("The flash awakens %s.", monnam(mtmp)); /* a3 */
83 		} else
84 		if(mtmp->data->mlet != 'y')
85 		if(mtmp->mcansee || mtmp->mblinded){
86 			register int tmp = dist(mtmp->mx,mtmp->my);
87 			register int tmp2;
88 			if(cansee(mtmp->mx,mtmp->my))
89 			  pline("%s is blinded by the flash!", Monnam(mtmp));
90 			setmangry(mtmp);
91 			if(tmp < 9 && !mtmp->isshk && rn2(4)) {
92 				mtmp->mflee = 1;
93 				if(rn2(4)) mtmp->mfleetim = rnd(100);
94 			}
95 			if(tmp < 3) mtmp->mcansee  = mtmp->mblinded = 0;
96 			else {
97 				tmp2 = mtmp->mblinded;
98 				tmp2 += rnd(1 + 50/tmp);
99 				if(tmp2 > 127) tmp2 = 127;
100 				mtmp->mblinded = tmp2;
101 				mtmp->mcansee = 0;
102 			}
103 		}
104 	}
105 }
106 
107 static
108 struct obj *current_ice_box;	/* a local variable of use_ice_box, to be
109 				used by its local procedures in/ck_ice_box */
110 static
111 in_ice_box(obj) register struct obj *obj; {
112 	if(obj == current_ice_box ||
113 		(Punished && (obj == uball || obj == uchain))){
114 		pline("You must be kidding.");
115 		return(0);
116 	}
117 	if(obj->owornmask & (W_ARMOR | W_RING)) {
118 		pline("You cannot refrigerate something you are wearing.");
119 		return(0);
120 	}
121 	if(obj->owt + current_ice_box->owt > 70) {
122 		pline("It won't fit.");
123 		return(1);	/* be careful! */
124 	}
125 	if(obj == uwep) {
126 		if(uwep->cursed) {
127 			pline("Your weapon is welded to your hand!");
128 			return(0);
129 		}
130 		setuwep((struct obj *) 0);
131 	}
132 	current_ice_box->owt += obj->owt;
133 	freeinv(obj);
134 	obj->o_cnt_id = current_ice_box->o_id;
135 	obj->nobj = fcobj;
136 	fcobj = obj;
137 	obj->age = moves - obj->age;	/* actual age */
138 	return(1);
139 }
140 
141 static
142 ck_ice_box(obj) register struct obj *obj; {
143 	return(obj->o_cnt_id == current_ice_box->o_id);
144 }
145 
146 static
147 out_ice_box(obj) register struct obj *obj; {
148 register struct obj *otmp;
149 	if(obj == fcobj) fcobj = fcobj->nobj;
150 	else {
151 		for(otmp = fcobj; otmp->nobj != obj; otmp = otmp->nobj)
152 			if(!otmp->nobj) panic("out_ice_box");
153 		otmp->nobj = obj->nobj;
154 	}
155 	current_ice_box->owt -= obj->owt;
156 	obj->age = moves - obj->age;	/* simulated point of time */
157 	(void) addinv(obj);
158 }
159 
160 static
161 use_ice_box(obj) register struct obj *obj; {
162 register int cnt = 0;
163 register struct obj *otmp;
164 	current_ice_box = obj;	/* for use by in/out_ice_box */
165 	for(otmp = fcobj; otmp; otmp = otmp->nobj)
166 		if(otmp->o_cnt_id == obj->o_id)
167 			cnt++;
168 	if(!cnt) pline("Your ice-box is empty.");
169 	else {
170 	    pline("Do you want to take something out of the ice-box? [yn] ");
171 	    if(readchar() == 'y')
172 		if(askchain(fcobj, (char *) 0, 0, out_ice_box, ck_ice_box, 0))
173 		    return;
174 		pline("That was all. Do you wish to put something in? [yn] ");
175 		if(readchar() != 'y') return;
176 	}
177 	/* call getobj: 0: allow cnt; #: allow all types; %: expect food */
178 	otmp = getobj("0#%", "put in");
179 	if(!otmp || !in_ice_box(otmp))
180 		flags.move = multi = 0;
181 }
182 
183 static
184 struct monst *
185 bchit(ddx,ddy,range,sym) register int ddx,ddy,range; char sym; {
186 	register struct monst *mtmp = (struct monst *) 0;
187 	register int bchx = u.ux, bchy = u.uy;
188 
189 	if(sym) Tmp_at(-1, sym);	/* open call */
190 	while(range--) {
191 		bchx += ddx;
192 		bchy += ddy;
193 		if(mtmp = m_at(bchx,bchy))
194 			break;
195 		if(!ZAP_POS(levl[bchx][bchy].typ)) {
196 			bchx -= ddx;
197 			bchy -= ddy;
198 			break;
199 		}
200 		if(sym) Tmp_at(bchx, bchy);
201 	}
202 	if(sym) Tmp_at(-1, -1);
203 	return(mtmp);
204 }
205 
206 /* ARGSUSED */
207 static
208 use_whistle(obj) struct obj *obj; {
209 register struct monst *mtmp = fmon;
210 	pline("You produce a high whistling sound.");
211 	while(mtmp) {
212 		if(dist(mtmp->mx,mtmp->my) < u.ulevel*20) {
213 			if(mtmp->msleep)
214 				mtmp->msleep = 0;
215 			if(mtmp->mtame)
216 				EDOG(mtmp)->whistletime = moves;
217 		}
218 		mtmp = mtmp->nmon;
219 	}
220 }
221 
222 /* ARGSUSED */
223 static
224 use_magic_whistle(obj) struct obj *obj; {
225 register struct monst *mtmp = fmon;
226 	pline("You produce a strange whistling sound.");
227 	while(mtmp) {
228 		if(mtmp->mtame) mnexto(mtmp);
229 		mtmp = mtmp->nmon;
230 	}
231 }
232 
233 static int dig_effort;	/* effort expended on current pos */
234 static uchar dig_level;
235 static coord dig_pos;
236 static boolean dig_down;
237 
238 static
239 dig() {
240 	register struct rm *lev;
241 	register dpx = dig_pos.x, dpy = dig_pos.y;
242 
243 	/* perhaps a nymph stole his pick-axe while he was busy digging */
244 	/* or perhaps he teleported away */
245 	if(u.uswallow || !uwep || uwep->otyp != PICK_AXE ||
246 	    dig_level != dlevel ||
247 	    ((dig_down && (dpx != u.ux || dpy != u.uy)) ||
248 	     (!dig_down && dist(dpx,dpy) > 2)))
249 		return(0);
250 
251 	dig_effort += 10 + abon() + uwep->spe + rn2(5);
252 	if(dig_down) {
253 		if(!xdnstair) {
254 			pline("The floor here seems too hard to dig in.");
255 			return(0);
256 		}
257 		if(dig_effort > 250) {
258 			dighole();
259 			return(0);	/* done with digging */
260 		}
261 		if(dig_effort > 50) {
262 			register struct trap *ttmp = t_at(dpx,dpy);
263 
264 			if(!ttmp) {
265 				ttmp = maketrap(dpx,dpy,PIT);
266 				ttmp->tseen = 1;
267 				pline("You have dug a pit.");
268 				u.utrap = rn1(4,2);
269 				u.utraptype = TT_PIT;
270 				return(0);
271 			}
272 		}
273 	} else
274 	if(dig_effort > 100) {
275 		register char *digtxt;
276 		register struct obj *obj;
277 
278 		lev = &levl[dpx][dpy];
279 		if(obj = sobj_at(ENORMOUS_ROCK, dpx, dpy)) {
280 			fracture_rock(obj);
281 			digtxt = "The rock falls apart.";
282 		} else if(!lev->typ || lev->typ == SCORR) {
283 			lev->typ = CORR;
284 			digtxt = "You succeeded in cutting away some rock.";
285 		} else if(lev->typ == HWALL || lev->typ == VWALL
286 					    || lev->typ == SDOOR) {
287 			lev->typ = xdnstair ? DOOR : ROOM;
288 			digtxt = "You just made an opening in the wall.";
289 		} else
290 		  digtxt = "Now what exactly was it that you were digging in?";
291 		mnewsym(dpx, dpy);
292 		prl(dpx, dpy);
293 		pline(digtxt);		/* after mnewsym & prl */
294 		return(0);
295 	} else {
296 		if(IS_WALL(levl[dpx][dpy].typ)) {
297 			register int rno = inroom(dpx,dpy);
298 
299 			if(rno >= 0 && rooms[rno].rtype >= 8) {
300 			  pline("This wall seems too hard to dig into.");
301 			  return(0);
302 			}
303 		}
304 		pline("You hit the rock with all your might.");
305 	}
306 	return(1);
307 }
308 
309 /* When will hole be finished? Very rough indication used by shopkeeper. */
310 holetime() {
311 	return( (occupation == dig) ? (250 - dig_effort)/20 : -1);
312 }
313 
314 dighole()
315 {
316 	register struct trap *ttmp = t_at(u.ux, u.uy);
317 
318 	if(!xdnstair) {
319 		pline("The floor here seems too hard to dig in.");
320 	} else {
321 		if(ttmp)
322 			ttmp->ttyp = TRAPDOOR;
323 		else
324 			ttmp = maketrap(u.ux, u.uy, TRAPDOOR);
325 		ttmp->tseen = 1;
326 		pline("You've made a hole in the floor.");
327 		if(!u.ustuck) {
328 			if(inshop())
329 				shopdig(1);
330 			pline("You fall through ...");
331 			if(u.utraptype == TT_PIT) {
332 				u.utrap = 0;
333 				u.utraptype = 0;
334 			}
335 			goto_level(dlevel+1, FALSE);
336 		}
337 	}
338 }
339 
340 static
341 use_pick_axe(obj)
342 struct obj *obj;
343 {
344 	char dirsyms[12];
345 	extern char sdir[];
346 	register char *dsp = dirsyms, *sdp = sdir;
347 	register struct monst *mtmp;
348 	register struct rm *lev;
349 	register int rx, ry, res = 0;
350 
351 	if(obj != uwep) {
352 		if(uwep && uwep->cursed) {
353 			/* Andreas Bormann - ihnp4!decvax!mcvax!unido!ab */
354 			pline("Since your weapon is welded to your hand,");
355 			pline("you cannot use that pick-axe.");
356 			return(0);
357 		}
358 		pline("You now wield %s.", doname(obj));
359 		setuwep(obj);
360 		res = 1;
361 	}
362 	while(*sdp) {
363 		(void) movecmd(*sdp);	/* sets u.dx and u.dy and u.dz */
364 		rx = u.ux + u.dx;
365 		ry = u.uy + u.dy;
366 		if(u.dz > 0 || (u.dz == 0 && isok(rx, ry) &&
367 		    (IS_ROCK(levl[rx][ry].typ)
368 		    || sobj_at(ENORMOUS_ROCK, rx, ry))))
369 			*dsp++ = *sdp;
370 		sdp++;
371 	}
372 	*dsp = 0;
373 	pline("In what direction do you want to dig? [%s] ", dirsyms);
374 	if(!getdir(0))		/* no txt */
375 		return(res);
376 	if(u.uswallow && attack(u.ustuck)) /* return(1) */;
377 	else
378 	if(u.dz < 0)
379 		pline("You cannot reach the ceiling.");
380 	else
381 	if(u.dz == 0) {
382 		if(Confusion)
383 			confdir();
384 		rx = u.ux + u.dx;
385 		ry = u.uy + u.dy;
386 		if((mtmp = m_at(rx, ry)) && attack(mtmp))
387 			return(1);
388 		if(!isok(rx, ry)) {
389 			pline("Clash!");
390 			return(1);
391 		}
392 		lev = &levl[rx][ry];
393 		if(lev->typ == DOOR)
394 			pline("Your %s against the door.",
395 				aobjnam(obj, "clang"));
396 		else if(!IS_ROCK(lev->typ)
397 		     && !sobj_at(ENORMOUS_ROCK, rx, ry)) {
398 			/* ACCESSIBLE or POOL */
399 			pline("You swing your %s through thin air.",
400 				aobjnam(obj, (char *) 0));
401 		} else {
402 			if(dig_pos.x != rx || dig_pos.y != ry
403 			    || dig_level != dlevel || dig_down) {
404 				dig_down = FALSE;
405 				dig_pos.x = rx;
406 				dig_pos.y = ry;
407 				dig_level = dlevel;
408 				dig_effort = 0;
409 				pline("You start digging.");
410 			} else
411 				pline("You continue digging.");
412 			occupation = dig;
413 			occtxt = "digging";
414 		}
415 	} else if(Levitation) {
416 		pline("You cannot reach the floor.");
417 	} else {
418 		if(dig_pos.x != u.ux || dig_pos.y != u.uy
419 		    || dig_level != dlevel || !dig_down) {
420 			dig_down = TRUE;
421 			dig_pos.x = u.ux;
422 			dig_pos.y = u.uy;
423 			dig_level = dlevel;
424 			dig_effort = 0;
425 			pline("You start digging in the floor.");
426 			if(inshop())
427 				shopdig(0);
428 		} else
429 			pline("You continue digging in the floor.");
430 		occupation = dig;
431 		occtxt = "digging";
432 	}
433 	return(1);
434 }
435