xref: /dragonfly/games/hack/hack.apply.c (revision 6bd457ed)
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 1.3 2005/05/22 03:37:05 y0netan1 Exp $ */
5 
6 #include	"hack.h"
7 #include	"def.edog.h"
8 #include	"def.mkroom.h"
9 static struct monst *bchit();
10 extern struct obj *addinv();
11 extern struct trap *maketrap();
12 extern int (*occupation)();
13 extern char quitchars[];
14 extern char pl_character[];
15 
16 static void use_camera(), use_ice_box(), use_whistle(), use_magic_whistle();
17 static int use_pick_axe();
18 
19 doapply() {
20 	struct obj *obj;
21 	int res = 1;
22 
23 	obj = getobj("(", "use or apply");
24 	if(!obj) return(0);
25 
26 	switch(obj->otyp){
27 	case EXPENSIVE_CAMERA:
28 		use_camera(obj); break;
29 	case ICE_BOX:
30 		use_ice_box(obj); break;
31 	case PICK_AXE:
32 		res = use_pick_axe(obj);
33 		break;
34 
35 	case MAGIC_WHISTLE:
36 		if(pl_character[0] == 'W' || u.ulevel > 9) {
37 			use_magic_whistle(obj);
38 			break;
39 		}
40 		/* fall into next case */
41 	case WHISTLE:
42 		use_whistle(obj);
43 		break;
44 
45 	case CAN_OPENER:
46 		if(!carrying(TIN)) {
47 			pline("You have no can to open.");
48 			goto xit;
49 		}
50 		pline("You cannot open a tin without eating its contents.");
51 		pline("In order to eat, use the 'e' command.");
52 		if(obj != uwep)
53     pline("Opening the tin will be much easier if you wield the can-opener.");
54 		goto xit;
55 
56 	default:
57 		pline("Sorry, I don't know how to use that.");
58 	xit:
59 		nomul(0);
60 		return(0);
61 	}
62 	nomul(0);
63 	return(res);
64 }
65 
66 /* ARGSUSED */
67 static void
68 use_camera(obj) /* */ struct obj *obj; {
69 struct monst *mtmp;
70 	if(!getdir(1)){		/* ask: in what direction? */
71 		flags.move = multi = 0;
72 		return;
73 	}
74 	if(u.uswallow) {
75 		pline("You take a picture of %s's stomach.", monnam(u.ustuck));
76 		return;
77 	}
78 	if(u.dz) {
79 		pline("You take a picture of the %s.",
80 			(u.dz > 0) ? "floor" : "ceiling");
81 		return;
82 	}
83 	if(mtmp = bchit(u.dx, u.dy, COLNO, '!')) {
84 		if(mtmp->msleep){
85 			mtmp->msleep = 0;
86 			pline("The flash awakens %s.", monnam(mtmp)); /* a3 */
87 		} else
88 		if(mtmp->data->mlet != 'y')
89 		if(mtmp->mcansee || mtmp->mblinded){
90 			int tmp = dist(mtmp->mx,mtmp->my);
91 			int tmp2;
92 			if(cansee(mtmp->mx,mtmp->my))
93 			  pline("%s is blinded by the flash!", Monnam(mtmp));
94 			setmangry(mtmp);
95 			if(tmp < 9 && !mtmp->isshk && rn2(4)) {
96 				mtmp->mflee = 1;
97 				if(rn2(4)) mtmp->mfleetim = rnd(100);
98 			}
99 			if(tmp < 3) mtmp->mcansee  = mtmp->mblinded = 0;
100 			else {
101 				tmp2 = mtmp->mblinded;
102 				tmp2 += rnd(1 + 50/tmp);
103 				if(tmp2 > 127) tmp2 = 127;
104 				mtmp->mblinded = tmp2;
105 				mtmp->mcansee = 0;
106 			}
107 		}
108 	}
109 }
110 
111 static
112 struct obj *current_ice_box;	/* a local variable of use_ice_box, to be
113 				used by its local procedures in/ck_ice_box */
114 static
115 in_ice_box(obj) struct obj *obj; {
116 	if(obj == current_ice_box ||
117 		(Punished && (obj == uball || obj == uchain))){
118 		pline("You must be kidding.");
119 		return(0);
120 	}
121 	if(obj->owornmask & (W_ARMOR | W_RING)) {
122 		pline("You cannot refrigerate something you are wearing.");
123 		return(0);
124 	}
125 	if(obj->owt + current_ice_box->owt > 70) {
126 		pline("It won't fit.");
127 		return(1);	/* be careful! */
128 	}
129 	if(obj == uwep) {
130 		if(uwep->cursed) {
131 			pline("Your weapon is welded to your hand!");
132 			return(0);
133 		}
134 		setuwep((struct obj *) 0);
135 	}
136 	current_ice_box->owt += obj->owt;
137 	freeinv(obj);
138 	obj->o_cnt_id = current_ice_box->o_id;
139 	obj->nobj = fcobj;
140 	fcobj = obj;
141 	obj->age = moves - obj->age;	/* actual age */
142 	return(1);
143 }
144 
145 static
146 ck_ice_box(obj) struct obj *obj; {
147 	return(obj->o_cnt_id == current_ice_box->o_id);
148 }
149 
150 static
151 out_ice_box(obj) struct obj *obj; {
152 struct obj *otmp;
153 	if(obj == fcobj) fcobj = fcobj->nobj;
154 	else {
155 		for(otmp = fcobj; otmp->nobj != obj; otmp = otmp->nobj)
156 			if(!otmp->nobj) panic("out_ice_box");
157 		otmp->nobj = obj->nobj;
158 	}
159 	current_ice_box->owt -= obj->owt;
160 	obj->age = moves - obj->age;	/* simulated point of time */
161 	(void) addinv(obj);
162 }
163 
164 static void
165 use_ice_box(obj) struct obj *obj; {
166 int cnt = 0;
167 struct obj *otmp;
168 	current_ice_box = obj;	/* for use by in/out_ice_box */
169 	for(otmp = fcobj; otmp; otmp = otmp->nobj)
170 		if(otmp->o_cnt_id == obj->o_id)
171 			cnt++;
172 	if(!cnt) pline("Your ice-box is empty.");
173 	else {
174 	    pline("Do you want to take something out of the ice-box? [yn] ");
175 	    if(readchar() == 'y')
176 		if(askchain(fcobj, (char *) 0, 0, out_ice_box, ck_ice_box, 0))
177 		    return;
178 		pline("That was all. Do you wish to put something in? [yn] ");
179 		if(readchar() != 'y') return;
180 	}
181 	/* call getobj: 0: allow cnt; #: allow all types; %: expect food */
182 	otmp = getobj("0#%", "put in");
183 	if(!otmp || !in_ice_box(otmp))
184 		flags.move = multi = 0;
185 }
186 
187 static
188 struct monst *
189 bchit(ddx,ddy,range,sym) int ddx,ddy,range; char sym; {
190 	struct monst *mtmp = (struct monst *) 0;
191 	int bchx = u.ux, bchy = u.uy;
192 
193 	if(sym) Tmp_at(-1, sym);	/* open call */
194 	while(range--) {
195 		bchx += ddx;
196 		bchy += ddy;
197 		if(mtmp = m_at(bchx,bchy))
198 			break;
199 		if(!ZAP_POS(levl[bchx][bchy].typ)) {
200 			bchx -= ddx;
201 			bchy -= ddy;
202 			break;
203 		}
204 		if(sym) Tmp_at(bchx, bchy);
205 	}
206 	if(sym) Tmp_at(-1, -1);
207 	return(mtmp);
208 }
209 
210 /* ARGSUSED */
211 static void
212 use_whistle(obj) struct obj *obj; {
213 struct monst *mtmp = fmon;
214 	pline("You produce a high whistling sound.");
215 	while(mtmp) {
216 		if(dist(mtmp->mx,mtmp->my) < u.ulevel*20) {
217 			if(mtmp->msleep)
218 				mtmp->msleep = 0;
219 			if(mtmp->mtame)
220 				EDOG(mtmp)->whistletime = moves;
221 		}
222 		mtmp = mtmp->nmon;
223 	}
224 }
225 
226 /* ARGSUSED */
227 static void
228 use_magic_whistle(obj) struct obj *obj; {
229 struct monst *mtmp = fmon;
230 	pline("You produce a strange whistling sound.");
231 	while(mtmp) {
232 		if(mtmp->mtame) mnexto(mtmp);
233 		mtmp = mtmp->nmon;
234 	}
235 }
236 
237 static int dig_effort;	/* effort expended on current pos */
238 static uchar dig_level;
239 static coord dig_pos;
240 static boolean dig_down;
241 
242 static
243 dig() {
244 	struct rm *lev;
245 	int dpx = dig_pos.x, dpy = dig_pos.y;
246 
247 	/* perhaps a nymph stole his pick-axe while he was busy digging */
248 	/* or perhaps he teleported away */
249 	if(u.uswallow || !uwep || uwep->otyp != PICK_AXE ||
250 	    dig_level != dlevel ||
251 	    ((dig_down && (dpx != u.ux || dpy != u.uy)) ||
252 	     (!dig_down && dist(dpx,dpy) > 2)))
253 		return(0);
254 
255 	dig_effort += 10 + abon() + uwep->spe + rn2(5);
256 	if(dig_down) {
257 		if(!xdnstair) {
258 			pline("The floor here seems too hard to dig in.");
259 			return(0);
260 		}
261 		if(dig_effort > 250) {
262 			dighole();
263 			return(0);	/* done with digging */
264 		}
265 		if(dig_effort > 50) {
266 			struct trap *ttmp = t_at(dpx,dpy);
267 
268 			if(!ttmp) {
269 				ttmp = maketrap(dpx,dpy,PIT);
270 				ttmp->tseen = 1;
271 				pline("You have dug a pit.");
272 				u.utrap = rn1(4,2);
273 				u.utraptype = TT_PIT;
274 				return(0);
275 			}
276 		}
277 	} else
278 	if(dig_effort > 100) {
279 		const char *digtxt;
280 		struct obj *obj;
281 
282 		lev = &levl[dpx][dpy];
283 		if(obj = sobj_at(ENORMOUS_ROCK, dpx, dpy)) {
284 			fracture_rock(obj);
285 			digtxt = "The rock falls apart.";
286 		} else if(!lev->typ || lev->typ == SCORR) {
287 			lev->typ = CORR;
288 			digtxt = "You succeeded in cutting away some rock.";
289 		} else if(lev->typ == HWALL || lev->typ == VWALL
290 					    || lev->typ == SDOOR) {
291 			lev->typ = xdnstair ? DOOR : ROOM;
292 			digtxt = "You just made an opening in the wall.";
293 		} else
294 		  digtxt = "Now what exactly was it that you were digging in?";
295 		mnewsym(dpx, dpy);
296 		prl(dpx, dpy);
297 		pline("%s", digtxt);		/* after mnewsym & prl */
298 		return(0);
299 	} else {
300 		if(IS_WALL(levl[dpx][dpy].typ)) {
301 			int rno = inroom(dpx,dpy);
302 
303 			if(rno >= 0 && rooms[rno].rtype >= 8) {
304 			  pline("This wall seems too hard to dig into.");
305 			  return(0);
306 			}
307 		}
308 		pline("You hit the rock with all your might.");
309 	}
310 	return(1);
311 }
312 
313 /* When will hole be finished? Very rough indication used by shopkeeper. */
314 holetime() {
315 	return( (occupation == dig) ? (250 - dig_effort)/20 : -1);
316 }
317 
318 dighole()
319 {
320 	struct trap *ttmp = t_at(u.ux, u.uy);
321 
322 	if(!xdnstair) {
323 		pline("The floor here seems too hard to dig in.");
324 	} else {
325 		if(ttmp)
326 			ttmp->ttyp = TRAPDOOR;
327 		else
328 			ttmp = maketrap(u.ux, u.uy, TRAPDOOR);
329 		ttmp->tseen = 1;
330 		pline("You've made a hole in the floor.");
331 		if(!u.ustuck) {
332 			if(inshop())
333 				shopdig(1);
334 			pline("You fall through ...");
335 			if(u.utraptype == TT_PIT) {
336 				u.utrap = 0;
337 				u.utraptype = 0;
338 			}
339 			goto_level(dlevel+1, FALSE);
340 		}
341 	}
342 }
343 
344 static
345 use_pick_axe(obj)
346 struct obj *obj;
347 {
348 	char dirsyms[12];
349 	extern char sdir[];
350 	char *dsp = dirsyms, *sdp = sdir;
351 	struct monst *mtmp;
352 	struct rm *lev;
353 	int rx, ry, res = 0;
354 
355 	if(obj != uwep) {
356 		if(uwep && uwep->cursed) {
357 			/* Andreas Bormann - ihnp4!decvax!mcvax!unido!ab */
358 			pline("Since your weapon is welded to your hand,");
359 			pline("you cannot use that pick-axe.");
360 			return(0);
361 		}
362 		pline("You now wield %s.", doname(obj));
363 		setuwep(obj);
364 		res = 1;
365 	}
366 	while(*sdp) {
367 		(void) movecmd(*sdp);	/* sets u.dx and u.dy and u.dz */
368 		rx = u.ux + u.dx;
369 		ry = u.uy + u.dy;
370 		if(u.dz > 0 || (u.dz == 0 && isok(rx, ry) &&
371 		    (IS_ROCK(levl[rx][ry].typ)
372 		    || sobj_at(ENORMOUS_ROCK, rx, ry))))
373 			*dsp++ = *sdp;
374 		sdp++;
375 	}
376 	*dsp = 0;
377 	pline("In what direction do you want to dig? [%s] ", dirsyms);
378 	if(!getdir(0))		/* no txt */
379 		return(res);
380 	if(u.uswallow && attack(u.ustuck)) /* return(1) */;
381 	else
382 	if(u.dz < 0)
383 		pline("You cannot reach the ceiling.");
384 	else
385 	if(u.dz == 0) {
386 		if(Confusion)
387 			confdir();
388 		rx = u.ux + u.dx;
389 		ry = u.uy + u.dy;
390 		if((mtmp = m_at(rx, ry)) && attack(mtmp))
391 			return(1);
392 		if(!isok(rx, ry)) {
393 			pline("Clash!");
394 			return(1);
395 		}
396 		lev = &levl[rx][ry];
397 		if(lev->typ == DOOR)
398 			pline("Your %s against the door.",
399 				aobjnam(obj, "clang"));
400 		else if(!IS_ROCK(lev->typ)
401 		     && !sobj_at(ENORMOUS_ROCK, rx, ry)) {
402 			/* ACCESSIBLE or POOL */
403 			pline("You swing your %s through thin air.",
404 				aobjnam(obj, (char *) 0));
405 		} else {
406 			if(dig_pos.x != rx || dig_pos.y != ry
407 			    || dig_level != dlevel || dig_down) {
408 				dig_down = FALSE;
409 				dig_pos.x = rx;
410 				dig_pos.y = ry;
411 				dig_level = dlevel;
412 				dig_effort = 0;
413 				pline("You start digging.");
414 			} else
415 				pline("You continue digging.");
416 			occupation = dig;
417 			occtxt = "digging";
418 		}
419 	} else if(Levitation) {
420 		pline("You cannot reach the floor.");
421 	} else {
422 		if(dig_pos.x != u.ux || dig_pos.y != u.uy
423 		    || dig_level != dlevel || !dig_down) {
424 			dig_down = TRUE;
425 			dig_pos.x = u.ux;
426 			dig_pos.y = u.uy;
427 			dig_level = dlevel;
428 			dig_effort = 0;
429 			pline("You start digging in the floor.");
430 			if(inshop())
431 				shopdig(0);
432 		} else
433 			pline("You continue digging in the floor.");
434 		occupation = dig;
435 		occtxt = "digging";
436 	}
437 	return(1);
438 }
439