xref: /dragonfly/games/hack/hack.apply.c (revision f746689a)
1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
2 /* hack.apply.c - version 1.0.3 */
3 /* $FreeBSD: src/games/hack/hack.apply.c,v 1.4.2.1 2001/02/18 02:20:07 kris Exp $ */
4 /* $DragonFly: src/games/hack/hack.apply.c,v 1.4 2006/08/21 19:45:32 pavalos Exp $ */
5 
6 #include	"hack.h"
7 #include	"def.edog.h"
8 extern char quitchars[];
9 
10 static void		 use_camera(struct obj *);
11 static bool		 in_ice_box(struct obj *);
12 static bool		 ck_ice_box(struct obj *);
13 static int		 out_ice_box(struct obj *);
14 static void		 use_ice_box(struct obj *);
15 static struct monst	*bchit(int, int, int, char);
16 static void		 use_whistle(struct obj *);
17 static void		 use_magic_whistle(struct obj *);
18 static bool		 dig(void);
19 static int		 use_pick_axe(struct obj *);
20 
21 int
22 doapply(void)
23 {
24 	struct obj *obj;
25 	int res = 1;
26 
27 	obj = getobj("(", "use or apply");
28 	if(!obj) return(0);
29 
30 	switch(obj->otyp){
31 	case EXPENSIVE_CAMERA:
32 		use_camera(obj); break;
33 	case ICE_BOX:
34 		use_ice_box(obj); break;
35 	case PICK_AXE:
36 		res = use_pick_axe(obj);
37 		break;
38 
39 	case MAGIC_WHISTLE:
40 		if(pl_character[0] == 'W' || u.ulevel > 9) {
41 			use_magic_whistle(obj);
42 			break;
43 		}
44 		/* fall into next case */
45 	case WHISTLE:
46 		use_whistle(obj);
47 		break;
48 
49 	case CAN_OPENER:
50 		if(!carrying(TIN)) {
51 			pline("You have no can to open.");
52 			goto xit;
53 		}
54 		pline("You cannot open a tin without eating its contents.");
55 		pline("In order to eat, use the 'e' command.");
56 		if(obj != uwep)
57     pline("Opening the tin will be much easier if you wield the can-opener.");
58 		goto xit;
59 
60 	default:
61 		pline("Sorry, I don't know how to use that.");
62 	xit:
63 		nomul(0);
64 		return(0);
65 	}
66 	nomul(0);
67 	return(res);
68 }
69 
70 static void
71 use_camera(__unused struct obj *obj)
72 {
73 struct monst *mtmp;
74 	if(!getdir(1)){		/* ask: in what direction? */
75 		flags.move = multi = 0;
76 		return;
77 	}
78 	if(u.uswallow) {
79 		pline("You take a picture of %s's stomach.", monnam(u.ustuck));
80 		return;
81 	}
82 	if(u.dz) {
83 		pline("You take a picture of the %s.",
84 			(u.dz > 0) ? "floor" : "ceiling");
85 		return;
86 	}
87 	if((mtmp = bchit(u.dx, u.dy, COLNO, '!'))) {
88 		if(mtmp->msleep){
89 			mtmp->msleep = 0;
90 			pline("The flash awakens %s.", monnam(mtmp)); /* a3 */
91 		} else
92 		if(mtmp->data->mlet != 'y')
93 		if(mtmp->mcansee || mtmp->mblinded){
94 			int tmp = dist(mtmp->mx,mtmp->my);
95 			int tmp2;
96 			if(cansee(mtmp->mx,mtmp->my))
97 			  pline("%s is blinded by the flash!", Monnam(mtmp));
98 			setmangry(mtmp);
99 			if(tmp < 9 && !mtmp->isshk && rn2(4)) {
100 				mtmp->mflee = 1;
101 				if(rn2(4)) mtmp->mfleetim = rnd(100);
102 			}
103 			if(tmp < 3) mtmp->mcansee  = mtmp->mblinded = 0;
104 			else {
105 				tmp2 = mtmp->mblinded;
106 				tmp2 += rnd(1 + 50/tmp);
107 				if(tmp2 > 127) tmp2 = 127;
108 				mtmp->mblinded = tmp2;
109 				mtmp->mcansee = 0;
110 			}
111 		}
112 	}
113 }
114 
115 static
116 struct obj *current_ice_box;	/* a local variable of use_ice_box, to be
117 				used by its local procedures in/ck_ice_box */
118 static bool
119 in_ice_box(struct obj *obj)
120 {
121 	if(obj == current_ice_box ||
122 		(Punished && (obj == uball || obj == uchain))){
123 		pline("You must be kidding.");
124 		return(0);
125 	}
126 	if(obj->owornmask & (W_ARMOR | W_RING)) {
127 		pline("You cannot refrigerate something you are wearing.");
128 		return(0);
129 	}
130 	if(obj->owt + current_ice_box->owt > 70) {
131 		pline("It won't fit.");
132 		return(1);	/* be careful! */
133 	}
134 	if(obj == uwep) {
135 		if(uwep->cursed) {
136 			pline("Your weapon is welded to your hand!");
137 			return(0);
138 		}
139 		setuwep(NULL);
140 	}
141 	current_ice_box->owt += obj->owt;
142 	freeinv(obj);
143 	obj->o_cnt_id = current_ice_box->o_id;
144 	obj->nobj = fcobj;
145 	fcobj = obj;
146 	obj->age = moves - obj->age;	/* actual age */
147 	return(1);
148 }
149 
150 static bool
151 ck_ice_box(struct obj *obj)
152 {
153 	return(obj->o_cnt_id == current_ice_box->o_id);
154 }
155 
156 static int
157 out_ice_box(struct obj *obj)
158 {
159 struct obj *otmp;
160 	if(obj == fcobj) fcobj = fcobj->nobj;
161 	else {
162 		for(otmp = fcobj; otmp->nobj != obj; otmp = otmp->nobj)
163 			if(!otmp->nobj) panic("out_ice_box");
164 		otmp->nobj = obj->nobj;
165 	}
166 	current_ice_box->owt -= obj->owt;
167 	obj->age = moves - obj->age;	/* simulated point of time */
168 	addinv(obj);
169 	return(0);
170 }
171 
172 static void
173 use_ice_box(struct obj *obj)
174 {
175 int cnt = 0;
176 struct obj *otmp;
177 	current_ice_box = obj;	/* for use by in/out_ice_box */
178 	for(otmp = fcobj; otmp; otmp = otmp->nobj)
179 		if(otmp->o_cnt_id == obj->o_id)
180 			cnt++;
181 	if(!cnt) pline("Your ice-box is empty.");
182 	else {
183 	    pline("Do you want to take something out of the ice-box? [yn] ");
184 	    if(readchar() == 'y')
185 		if(askchain(fcobj, NULL, 0, out_ice_box, ck_ice_box, 0))
186 		    return;
187 		pline("That was all. Do you wish to put something in? [yn] ");
188 		if(readchar() != 'y') return;
189 	}
190 	/* call getobj: 0: allow cnt; #: allow all types; %: expect food */
191 	otmp = getobj("0#%", "put in");
192 	if(!otmp || !in_ice_box(otmp))
193 		flags.move = multi = 0;
194 }
195 
196 static struct monst *
197 bchit(int ddx, int ddy, int range, char sym)
198 {
199 	struct monst *mtmp = NULL;
200 	int bchx = u.ux, bchy = u.uy;
201 
202 	if(sym) Tmp_at(-1, sym);	/* open call */
203 	while(range--) {
204 		bchx += ddx;
205 		bchy += ddy;
206 		if((mtmp = m_at(bchx,bchy)))
207 			break;
208 		if(!ZAP_POS(levl[bchx][bchy].typ)) {
209 			bchx -= ddx;
210 			bchy -= ddy;
211 			break;
212 		}
213 		if(sym) Tmp_at(bchx, bchy);
214 	}
215 	if(sym) Tmp_at(-1, -1);
216 	return(mtmp);
217 }
218 
219 static void
220 use_whistle(__unused struct obj *obj)
221 {
222 struct monst *mtmp = fmon;
223 	pline("You produce a high whistling sound.");
224 	while(mtmp) {
225 		if(dist(mtmp->mx,mtmp->my) < u.ulevel*20) {
226 			if(mtmp->msleep)
227 				mtmp->msleep = 0;
228 			if(mtmp->mtame)
229 				EDOG(mtmp)->whistletime = moves;
230 		}
231 		mtmp = mtmp->nmon;
232 	}
233 }
234 
235 static void
236 use_magic_whistle(__unused struct obj *obj)
237 {
238 struct monst *mtmp = fmon;
239 	pline("You produce a strange whistling sound.");
240 	while(mtmp) {
241 		if(mtmp->mtame) mnexto(mtmp);
242 		mtmp = mtmp->nmon;
243 	}
244 }
245 
246 static int dig_effort;	/* effort expended on current pos */
247 static uchar dig_level;
248 static coord dig_pos;
249 static boolean dig_down;
250 
251 static bool
252 dig(void)
253 {
254 	struct rm *lev;
255 	int dpx = dig_pos.x, dpy = dig_pos.y;
256 
257 	/* perhaps a nymph stole his pick-axe while he was busy digging */
258 	/* or perhaps he teleported away */
259 	if(u.uswallow || !uwep || uwep->otyp != PICK_AXE ||
260 	    dig_level != dlevel ||
261 	    ((dig_down && (dpx != u.ux || dpy != u.uy)) ||
262 	     (!dig_down && dist(dpx,dpy) > 2)))
263 		return(0);
264 
265 	dig_effort += 10 + abon() + uwep->spe + rn2(5);
266 	if(dig_down) {
267 		if(!xdnstair) {
268 			pline("The floor here seems too hard to dig in.");
269 			return(0);
270 		}
271 		if(dig_effort > 250) {
272 			dighole();
273 			return(0);	/* done with digging */
274 		}
275 		if(dig_effort > 50) {
276 			struct trap *ttmp = t_at(dpx,dpy);
277 
278 			if(!ttmp) {
279 				ttmp = maketrap(dpx,dpy,PIT);
280 				ttmp->tseen = 1;
281 				pline("You have dug a pit.");
282 				u.utrap = rn1(4,2);
283 				u.utraptype = TT_PIT;
284 				return(0);
285 			}
286 		}
287 	} else
288 	if(dig_effort > 100) {
289 		const char *digtxt;
290 		struct obj *obj;
291 
292 		lev = &levl[dpx][dpy];
293 		if((obj = sobj_at(ENORMOUS_ROCK, dpx, dpy))) {
294 			fracture_rock(obj);
295 			digtxt = "The rock falls apart.";
296 		} else if(!lev->typ || lev->typ == SCORR) {
297 			lev->typ = CORR;
298 			digtxt = "You succeeded in cutting away some rock.";
299 		} else if(lev->typ == HWALL || lev->typ == VWALL
300 					    || lev->typ == SDOOR) {
301 			lev->typ = xdnstair ? DOOR : ROOM;
302 			digtxt = "You just made an opening in the wall.";
303 		} else
304 		  digtxt = "Now what exactly was it that you were digging in?";
305 		mnewsym(dpx, dpy);
306 		prl(dpx, dpy);
307 		pline("%s", digtxt);		/* after mnewsym & prl */
308 		return(0);
309 	} else {
310 		if(IS_WALL(levl[dpx][dpy].typ)) {
311 			int rno = inroom(dpx,dpy);
312 
313 			if(rno >= 0 && rooms[rno].rtype >= 8) {
314 			  pline("This wall seems too hard to dig into.");
315 			  return(0);
316 			}
317 		}
318 		pline("You hit the rock with all your might.");
319 	}
320 	return(1);
321 }
322 
323 /* When will hole be finished? Very rough indication used by shopkeeper. */
324 int
325 holetime(void)
326 {
327 	return( (occupation == dig) ? (250 - dig_effort)/20 : -1);
328 }
329 
330 void
331 dighole(void)
332 {
333 	struct trap *ttmp = t_at(u.ux, u.uy);
334 
335 	if(!xdnstair) {
336 		pline("The floor here seems too hard to dig in.");
337 	} else {
338 		if(ttmp)
339 			ttmp->ttyp = TRAPDOOR;
340 		else
341 			ttmp = maketrap(u.ux, u.uy, TRAPDOOR);
342 		ttmp->tseen = 1;
343 		pline("You've made a hole in the floor.");
344 		if(!u.ustuck) {
345 			if(inshop())
346 				shopdig(1);
347 			pline("You fall through ...");
348 			if(u.utraptype == TT_PIT) {
349 				u.utrap = 0;
350 				u.utraptype = 0;
351 			}
352 			goto_level(dlevel+1, FALSE);
353 		}
354 	}
355 }
356 
357 static int
358 use_pick_axe(struct obj *obj)
359 {
360 	char dirsyms[12];
361 	char *dsp = dirsyms, *sdp = sdir;
362 	struct monst *mtmp;
363 	struct rm *lev;
364 	int rx, ry, res = 0;
365 
366 	if(obj != uwep) {
367 		if(uwep && uwep->cursed) {
368 			/* Andreas Bormann - ihnp4!decvax!mcvax!unido!ab */
369 			pline("Since your weapon is welded to your hand,");
370 			pline("you cannot use that pick-axe.");
371 			return(0);
372 		}
373 		pline("You now wield %s.", doname(obj));
374 		setuwep(obj);
375 		res = 1;
376 	}
377 	while(*sdp) {
378 		movecmd(*sdp);	/* sets u.dx and u.dy and u.dz */
379 		rx = u.ux + u.dx;
380 		ry = u.uy + u.dy;
381 		if(u.dz > 0 || (u.dz == 0 && isok(rx, ry) &&
382 		    (IS_ROCK(levl[rx][ry].typ)
383 		    || sobj_at(ENORMOUS_ROCK, rx, ry))))
384 			*dsp++ = *sdp;
385 		sdp++;
386 	}
387 	*dsp = 0;
388 	pline("In what direction do you want to dig? [%s] ", dirsyms);
389 	if(!getdir(0))		/* no txt */
390 		return(res);
391 	if(u.uswallow && attack(u.ustuck)) /* return(1) */;
392 	else
393 	if(u.dz < 0)
394 		pline("You cannot reach the ceiling.");
395 	else
396 	if(u.dz == 0) {
397 		if(Confusion)
398 			confdir();
399 		rx = u.ux + u.dx;
400 		ry = u.uy + u.dy;
401 		if((mtmp = m_at(rx, ry)) && attack(mtmp))
402 			return(1);
403 		if(!isok(rx, ry)) {
404 			pline("Clash!");
405 			return(1);
406 		}
407 		lev = &levl[rx][ry];
408 		if(lev->typ == DOOR)
409 			pline("Your %s against the door.",
410 				aobjnam(obj, "clang"));
411 		else if(!IS_ROCK(lev->typ)
412 		     && !sobj_at(ENORMOUS_ROCK, rx, ry)) {
413 			/* ACCESSIBLE or POOL */
414 			pline("You swing your %s through thin air.",
415 				aobjnam(obj, NULL));
416 		} else {
417 			if(dig_pos.x != rx || dig_pos.y != ry
418 			    || dig_level != dlevel || dig_down) {
419 				dig_down = FALSE;
420 				dig_pos.x = rx;
421 				dig_pos.y = ry;
422 				dig_level = dlevel;
423 				dig_effort = 0;
424 				pline("You start digging.");
425 			} else
426 				pline("You continue digging.");
427 			occupation = dig;
428 			occtxt = "digging";
429 		}
430 	} else if(Levitation) {
431 		pline("You cannot reach the floor.");
432 	} else {
433 		if(dig_pos.x != u.ux || dig_pos.y != u.uy
434 		    || dig_level != dlevel || !dig_down) {
435 			dig_down = TRUE;
436 			dig_pos.x = u.ux;
437 			dig_pos.y = u.uy;
438 			dig_level = dlevel;
439 			dig_effort = 0;
440 			pline("You start digging in the floor.");
441 			if(inshop())
442 				shopdig(0);
443 		} else
444 			pline("You continue digging in the floor.");
445 		occupation = dig;
446 		occtxt = "digging";
447 	}
448 	return(1);
449 }
450