1 /* $NetBSD: hack.apply.c,v 1.13 2011/08/07 06:03:45 dholland Exp $ */
2
3 /*
4 * Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,
5 * Amsterdam
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are
10 * met:
11 *
12 * - Redistributions of source code must retain the above copyright notice,
13 * this list of conditions and the following disclaimer.
14 *
15 * - Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * - Neither the name of the Stichting Centrum voor Wiskunde en
20 * Informatica, nor the names of its contributors may be used to endorse or
21 * promote products derived from this software without specific prior
22 * written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
25 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
26 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
27 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
28 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
29 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
30 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
31 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
32 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
33 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
34 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 */
36
37 /*
38 * Copyright (c) 1982 Jay Fenlason <hack@gnu.org>
39 * All rights reserved.
40 *
41 * Redistribution and use in source and binary forms, with or without
42 * modification, are permitted provided that the following conditions
43 * are met:
44 * 1. Redistributions of source code must retain the above copyright
45 * notice, this list of conditions and the following disclaimer.
46 * 2. Redistributions in binary form must reproduce the above copyright
47 * notice, this list of conditions and the following disclaimer in the
48 * documentation and/or other materials provided with the distribution.
49 * 3. The name of the author may not be used to endorse or promote products
50 * derived from this software without specific prior written permission.
51 *
52 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
53 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
54 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
55 * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
56 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
57 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
58 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
59 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
60 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
61 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62 */
63
64 #include "hack.h"
65 #include "extern.h"
66 #include "def.edog.h"
67 #include "def.mkroom.h"
68
69 static void use_camera(struct obj *);
70 static int in_ice_box(struct obj *);
71 static int ck_ice_box(struct obj *);
72 static int out_ice_box(struct obj *);
73 static void use_ice_box(struct obj *);
74 static struct monst *bchit(int, int , int , int);
75 static void use_whistle(struct obj *);
76 static void use_magic_whistle(struct obj *);
77 static int dig(void);
78 static int use_pick_axe(struct obj *);
79
80 int
doapply(void)81 doapply(void)
82 {
83 struct obj *obj;
84 int res = 1;
85
86 obj = getobj("(", "use or apply");
87 if (!obj)
88 return (0);
89
90 switch (obj->otyp) {
91 case EXPENSIVE_CAMERA:
92 use_camera(obj);
93 break;
94 case ICE_BOX:
95 use_ice_box(obj);
96 break;
97 case PICK_AXE:
98 res = use_pick_axe(obj);
99 break;
100
101 case MAGIC_WHISTLE:
102 if (pl_character[0] == 'W' || u.ulevel > 9) {
103 use_magic_whistle(obj);
104 break;
105 }
106 /* FALLTHROUGH */
107 case WHISTLE:
108 use_whistle(obj);
109 break;
110
111 case CAN_OPENER:
112 if (!carrying(TIN)) {
113 pline("You have no can to open.");
114 goto xit;
115 }
116 pline("You cannot open a tin without eating its contents.");
117 pline("In order to eat, use the 'e' command.");
118 if (obj != uwep)
119 pline("Opening the tin will be much easier if you wield the can-opener.");
120 goto xit;
121
122 default:
123 pline("Sorry, I don't know how to use that.");
124 xit:
125 nomul(0);
126 return (0);
127 }
128 nomul(0);
129 return (res);
130 }
131
132 /* ARGSUSED */
133 static void
use_camera(struct obj * obj __unused)134 use_camera(struct obj *obj __unused)
135 {
136 struct monst *mtmp;
137 if (!getdir(1)) { /* ask: in what direction? */
138 flags.move = multi = 0;
139 return;
140 }
141 if (u.uswallow) {
142 pline("You take a picture of %s's stomach.", monnam(u.ustuck));
143 return;
144 }
145 if (u.dz) {
146 pline("You take a picture of the %s.",
147 (u.dz > 0) ? "floor" : "ceiling");
148 return;
149 }
150 if ((mtmp = bchit(u.dx, u.dy, COLNO, '!')) != NULL) {
151 if (mtmp->msleep) {
152 mtmp->msleep = 0;
153 pline("The flash awakens %s.", monnam(mtmp)); /* a3 */
154 } else if (mtmp->data->mlet != 'y')
155 if (mtmp->mcansee || mtmp->mblinded) {
156 int tmp = dist(mtmp->mx, mtmp->my);
157 int tmp2;
158 if (cansee(mtmp->mx, mtmp->my))
159 pline("%s is blinded by the flash!", Monnam(mtmp));
160 setmangry(mtmp);
161 if (tmp < 9 && !mtmp->isshk && rn2(4)) {
162 mtmp->mflee = 1;
163 if (rn2(4))
164 mtmp->mfleetim = rnd(100);
165 }
166 if (tmp < 3)
167 mtmp->mcansee = mtmp->mblinded = 0;
168 else {
169 tmp2 = mtmp->mblinded;
170 tmp2 += rnd(1 + 50 / tmp);
171 if (tmp2 > 127)
172 tmp2 = 127;
173 mtmp->mblinded = tmp2;
174 mtmp->mcansee = 0;
175 }
176 }
177 }
178 }
179
180 static
181 struct obj *current_ice_box;/* a local variable of use_ice_box, to be
182 * used by its local procedures in/ck_ice_box */
183 static int
in_ice_box(struct obj * obj)184 in_ice_box(struct obj *obj)
185 {
186 if (obj == current_ice_box ||
187 (Punished && (obj == uball || obj == uchain))) {
188 pline("You must be kidding.");
189 return (0);
190 }
191 if (obj->owornmask & (W_ARMOR | W_RING)) {
192 pline("You cannot refrigerate something you are wearing.");
193 return (0);
194 }
195 if (obj->owt + current_ice_box->owt > 70) {
196 pline("It won't fit.");
197 return (1); /* be careful! */
198 }
199 if (obj == uwep) {
200 if (uwep->cursed) {
201 pline("Your weapon is welded to your hand!");
202 return (0);
203 }
204 setuwep((struct obj *) 0);
205 }
206 current_ice_box->owt += obj->owt;
207 freeinv(obj);
208 obj->o_cnt_id = current_ice_box->o_id;
209 obj->nobj = fcobj;
210 fcobj = obj;
211 obj->age = moves - obj->age; /* actual age */
212 return (1);
213 }
214
215 static int
ck_ice_box(struct obj * obj)216 ck_ice_box(struct obj *obj)
217 {
218 return (obj->o_cnt_id == current_ice_box->o_id);
219 }
220
221 static int
out_ice_box(struct obj * obj)222 out_ice_box(struct obj *obj)
223 {
224 struct obj *otmp;
225 if (obj == fcobj)
226 fcobj = fcobj->nobj;
227 else {
228 for (otmp = fcobj; otmp->nobj != obj; otmp = otmp->nobj)
229 if (!otmp->nobj)
230 panic("out_ice_box");
231 otmp->nobj = obj->nobj;
232 }
233 current_ice_box->owt -= obj->owt;
234 obj->age = moves - obj->age; /* simulated point of time */
235 (void) addinv(obj);
236 return 0;
237 }
238
239 static void
use_ice_box(struct obj * obj)240 use_ice_box(struct obj *obj)
241 {
242 int cnt = 0;
243 struct obj *otmp;
244 current_ice_box = obj; /* for use by in/out_ice_box */
245 for (otmp = fcobj; otmp; otmp = otmp->nobj)
246 if (otmp->o_cnt_id == obj->o_id)
247 cnt++;
248 if (!cnt)
249 pline("Your ice-box is empty.");
250 else {
251 pline("Do you want to take something out of the ice-box? [yn] ");
252 if (readchar() == 'y')
253 if (askchain(fcobj, NULL, 0, out_ice_box, ck_ice_box, 0))
254 return;
255 pline("That was all. Do you wish to put something in? [yn] ");
256 if (readchar() != 'y')
257 return;
258 }
259 /* call getobj: 0: allow cnt; #: allow all types; %: expect food */
260 otmp = getobj("0#%", "put in");
261 if (!otmp || !in_ice_box(otmp))
262 flags.move = multi = 0;
263 }
264
265 static struct monst *
bchit(int ddx,int ddy,int range,int sym)266 bchit(int ddx, int ddy, int range, int sym)
267 {
268 struct monst *mtmp = (struct monst *) 0;
269 int bchx = u.ux, bchy = u.uy;
270
271 if (sym)
272 Tmp_at(-1, sym);/* open call */
273 while (range--) {
274 bchx += ddx;
275 bchy += ddy;
276 if ((mtmp = m_at(bchx, bchy)) != NULL)
277 break;
278 if (!ZAP_POS(levl[bchx][bchy].typ)) {
279 bchx -= ddx;
280 bchy -= ddy;
281 break;
282 }
283 if (sym)
284 Tmp_at(bchx, bchy);
285 }
286 if (sym)
287 Tmp_at(-1, -1);
288 return (mtmp);
289 }
290
291 /* ARGSUSED */
292 static void
use_whistle(struct obj * obj __unused)293 use_whistle(struct obj *obj __unused)
294 {
295 struct monst *mtmp = fmon;
296 pline("You produce a high whistling sound.");
297 while (mtmp) {
298 if (dist(mtmp->mx, mtmp->my) < u.ulevel * 20) {
299 if (mtmp->msleep)
300 mtmp->msleep = 0;
301 if (mtmp->mtame)
302 EDOG(mtmp)->whistletime = moves;
303 }
304 mtmp = mtmp->nmon;
305 }
306 }
307
308 /* ARGSUSED */
309 static void
use_magic_whistle(struct obj * obj __unused)310 use_magic_whistle(struct obj *obj __unused)
311 {
312 struct monst *mtmp = fmon;
313 pline("You produce a strange whistling sound.");
314 while (mtmp) {
315 if (mtmp->mtame)
316 mnexto(mtmp);
317 mtmp = mtmp->nmon;
318 }
319 }
320
321 static int dig_effort; /* effort expended on current pos */
322 static uchar dig_level;
323 static coord dig_pos;
324 static boolean dig_down;
325
326 static int
dig(void)327 dig(void)
328 {
329 struct rm *lev;
330 int dpx = dig_pos.x, dpy = dig_pos.y;
331
332 /* perhaps a nymph stole his pick-axe while he was busy digging */
333 /* or perhaps he teleported away */
334 if (u.uswallow || !uwep || uwep->otyp != PICK_AXE ||
335 dig_level != dlevel ||
336 ((dig_down && (dpx != u.ux || dpy != u.uy)) ||
337 (!dig_down && dist(dpx, dpy) > 2)))
338 return (0);
339
340 dig_effort += 10 + abon() + uwep->spe + rn2(5);
341 if (dig_down) {
342 if (!xdnstair) {
343 pline("The floor here seems too hard to dig in.");
344 return (0);
345 }
346 if (dig_effort > 250) {
347 dighole();
348 return (0); /* done with digging */
349 }
350 if (dig_effort > 50) {
351 struct trap *ttmp = t_at(dpx, dpy);
352
353 if (!ttmp) {
354 ttmp = maketrap(dpx, dpy, PIT);
355 ttmp->tseen = 1;
356 pline("You have dug a pit.");
357 u.utrap = rn1(4, 2);
358 u.utraptype = TT_PIT;
359 return (0);
360 }
361 }
362 } else if (dig_effort > 100) {
363 const char *digtxt;
364 struct obj *obj;
365
366 lev = &levl[dpx][dpy];
367 if ((obj = sobj_at(ENORMOUS_ROCK, dpx, dpy)) != NULL) {
368 fracture_rock(obj);
369 digtxt = "The rock falls apart.";
370 } else if (!lev->typ || lev->typ == SCORR) {
371 lev->typ = CORR;
372 digtxt = "You succeeded in cutting away some rock.";
373 } else if (lev->typ == HWALL || lev->typ == VWALL
374 || lev->typ == SDOOR) {
375 lev->typ = xdnstair ? DOOR : ROOM;
376 digtxt = "You just made an opening in the wall.";
377 } else
378 digtxt = "Now what exactly was it that you were digging in?";
379 mnewsym(dpx, dpy);
380 prl(dpx, dpy);
381 pline("%s", digtxt); /* after mnewsym & prl */
382 return (0);
383 } else {
384 if (IS_WALL(levl[dpx][dpy].typ)) {
385 int rno = inroom(dpx, dpy);
386
387 if (rno >= 0 && rooms[rno].rtype >= 8) {
388 pline("This wall seems too hard to dig into.");
389 return (0);
390 }
391 }
392 pline("You hit the rock with all your might.");
393 }
394 return (1);
395 }
396
397 /* When will hole be finished? Very rough indication used by shopkeeper. */
398 int
holetime(void)399 holetime(void)
400 {
401 return ((occupation == dig) ? (250 - dig_effort) / 20 : -1);
402 }
403
404 void
dighole(void)405 dighole(void)
406 {
407 struct trap *ttmp = t_at(u.ux, u.uy);
408
409 if (!xdnstair) {
410 pline("The floor here seems too hard to dig in.");
411 } else {
412 if (ttmp)
413 ttmp->ttyp = TRAPDOOR;
414 else
415 ttmp = maketrap(u.ux, u.uy, TRAPDOOR);
416 ttmp->tseen = 1;
417 pline("You've made a hole in the floor.");
418 if (!u.ustuck) {
419 if (inshop())
420 shopdig(1);
421 pline("You fall through ...");
422 if (u.utraptype == TT_PIT) {
423 u.utrap = 0;
424 u.utraptype = 0;
425 }
426 goto_level(dlevel + 1, FALSE);
427 }
428 }
429 }
430
431 static int
use_pick_axe(struct obj * obj)432 use_pick_axe(struct obj *obj)
433 {
434 char dirsyms[12];
435 char *dsp = dirsyms, *sdp = sdir;
436 struct monst *mtmp;
437 struct rm *lev;
438 int rx, ry, res = 0;
439
440 if (obj != uwep) {
441 if (uwep && uwep->cursed) {
442 /* Andreas Bormann - ihnp4!decvax!mcvax!unido!ab */
443 pline("Since your weapon is welded to your hand,");
444 pline("you cannot use that pick-axe.");
445 return (0);
446 }
447 pline("You now wield %s.", doname(obj));
448 setuwep(obj);
449 res = 1;
450 }
451 while (*sdp) {
452 (void) movecmd(*sdp); /* sets u.dx and u.dy and u.dz */
453 rx = u.ux + u.dx;
454 ry = u.uy + u.dy;
455 if (u.dz > 0 || (u.dz == 0 && isok(rx, ry) &&
456 (IS_ROCK(levl[rx][ry].typ)
457 || sobj_at(ENORMOUS_ROCK, rx, ry))))
458 *dsp++ = *sdp;
459 sdp++;
460 }
461 *dsp = 0;
462 pline("In what direction do you want to dig? [%s] ", dirsyms);
463 if (!getdir(0)) /* no txt */
464 return (res);
465 if (u.uswallow && attack(u.ustuck)) /* return(1) */
466 ;
467 else if (u.dz < 0)
468 pline("You cannot reach the ceiling.");
469 else if (u.dz == 0) {
470 if (Confusion)
471 confdir();
472 rx = u.ux + u.dx;
473 ry = u.uy + u.dy;
474 if ((mtmp = m_at(rx, ry)) && attack(mtmp))
475 return (1);
476 if (!isok(rx, ry)) {
477 pline("Clash!");
478 return (1);
479 }
480 lev = &levl[rx][ry];
481 if (lev->typ == DOOR)
482 pline("Your %s against the door.",
483 aobjnam(obj, "clang"));
484 else if (!IS_ROCK(lev->typ)
485 && !sobj_at(ENORMOUS_ROCK, rx, ry)) {
486 /* ACCESSIBLE or POOL */
487 pline("You swing your %s through thin air.",
488 aobjnam(obj, NULL));
489 } else {
490 if (dig_pos.x != rx || dig_pos.y != ry
491 || dig_level != dlevel || dig_down) {
492 dig_down = FALSE;
493 dig_pos.x = rx;
494 dig_pos.y = ry;
495 dig_level = dlevel;
496 dig_effort = 0;
497 pline("You start digging.");
498 } else
499 pline("You continue digging.");
500 occupation = dig;
501 occtxt = "digging";
502 }
503 } else if (Levitation) {
504 pline("You cannot reach the floor.");
505 } else {
506 if (dig_pos.x != u.ux || dig_pos.y != u.uy
507 || dig_level != dlevel || !dig_down) {
508 dig_down = TRUE;
509 dig_pos.x = u.ux;
510 dig_pos.y = u.uy;
511 dig_level = dlevel;
512 dig_effort = 0;
513 pline("You start digging in the floor.");
514 if (inshop())
515 shopdig(0);
516 } else
517 pline("You continue digging in the floor.");
518 occupation = dig;
519 occtxt = "digging";
520 }
521 return (1);
522 }
523