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 <sys/cdefs.h>
65 #ifndef lint
66 __RCSID("$NetBSD: hack.apply.c,v 1.13 2011/08/07 06:03:45 dholland Exp $");
67 #endif /* not lint */
68
69 #include "hack.h"
70 #include "extern.h"
71 #include "def.edog.h"
72 #include "def.mkroom.h"
73
74 static void use_camera(struct obj *);
75 static int in_ice_box(struct obj *);
76 static int ck_ice_box(struct obj *);
77 static int out_ice_box(struct obj *);
78 static void use_ice_box(struct obj *);
79 static struct monst *bchit(int, int , int , int);
80 static void use_whistle(struct obj *);
81 static void use_magic_whistle(struct obj *);
82 static int dig(void);
83 static int use_pick_axe(struct obj *);
84
85 int
doapply(void)86 doapply(void)
87 {
88 struct obj *obj;
89 int res = 1;
90
91 obj = getobj("(", "use or apply");
92 if (!obj)
93 return (0);
94
95 switch (obj->otyp) {
96 case EXPENSIVE_CAMERA:
97 use_camera(obj);
98 break;
99 case ICE_BOX:
100 use_ice_box(obj);
101 break;
102 case PICK_AXE:
103 res = use_pick_axe(obj);
104 break;
105
106 case MAGIC_WHISTLE:
107 if (pl_character[0] == 'W' || u.ulevel > 9) {
108 use_magic_whistle(obj);
109 break;
110 }
111 /* FALLTHROUGH */
112 case WHISTLE:
113 use_whistle(obj);
114 break;
115
116 case CAN_OPENER:
117 if (!carrying(TIN)) {
118 pline("You have no can to open.");
119 goto xit;
120 }
121 pline("You cannot open a tin without eating its contents.");
122 pline("In order to eat, use the 'e' command.");
123 if (obj != uwep)
124 pline("Opening the tin will be much easier if you wield the can-opener.");
125 goto xit;
126
127 default:
128 pline("Sorry, I don't know how to use that.");
129 xit:
130 nomul(0);
131 return (0);
132 }
133 nomul(0);
134 return (res);
135 }
136
137 /* ARGSUSED */
138 static void
use_camera(struct obj * obj __unused)139 use_camera(struct obj *obj __unused)
140 {
141 struct monst *mtmp;
142 if (!getdir(1)) { /* ask: in what direction? */
143 flags.move = multi = 0;
144 return;
145 }
146 if (u.uswallow) {
147 pline("You take a picture of %s's stomach.", monnam(u.ustuck));
148 return;
149 }
150 if (u.dz) {
151 pline("You take a picture of the %s.",
152 (u.dz > 0) ? "floor" : "ceiling");
153 return;
154 }
155 if ((mtmp = bchit(u.dx, u.dy, COLNO, '!')) != NULL) {
156 if (mtmp->msleep) {
157 mtmp->msleep = 0;
158 pline("The flash awakens %s.", monnam(mtmp)); /* a3 */
159 } else if (mtmp->data->mlet != 'y')
160 if (mtmp->mcansee || mtmp->mblinded) {
161 int tmp = dist(mtmp->mx, mtmp->my);
162 int tmp2;
163 if (cansee(mtmp->mx, mtmp->my))
164 pline("%s is blinded by the flash!", Monnam(mtmp));
165 setmangry(mtmp);
166 if (tmp < 9 && !mtmp->isshk && rn2(4)) {
167 mtmp->mflee = 1;
168 if (rn2(4))
169 mtmp->mfleetim = rnd(100);
170 }
171 if (tmp < 3)
172 mtmp->mcansee = mtmp->mblinded = 0;
173 else {
174 tmp2 = mtmp->mblinded;
175 tmp2 += rnd(1 + 50 / tmp);
176 if (tmp2 > 127)
177 tmp2 = 127;
178 mtmp->mblinded = tmp2;
179 mtmp->mcansee = 0;
180 }
181 }
182 }
183 }
184
185 static
186 struct obj *current_ice_box;/* a local variable of use_ice_box, to be
187 * used by its local procedures in/ck_ice_box */
188 static int
in_ice_box(struct obj * obj)189 in_ice_box(struct obj *obj)
190 {
191 if (obj == current_ice_box ||
192 (Punished && (obj == uball || obj == uchain))) {
193 pline("You must be kidding.");
194 return (0);
195 }
196 if (obj->owornmask & (W_ARMOR | W_RING)) {
197 pline("You cannot refrigerate something you are wearing.");
198 return (0);
199 }
200 if (obj->owt + current_ice_box->owt > 70) {
201 pline("It won't fit.");
202 return (1); /* be careful! */
203 }
204 if (obj == uwep) {
205 if (uwep->cursed) {
206 pline("Your weapon is welded to your hand!");
207 return (0);
208 }
209 setuwep((struct obj *) 0);
210 }
211 current_ice_box->owt += obj->owt;
212 freeinv(obj);
213 obj->o_cnt_id = current_ice_box->o_id;
214 obj->nobj = fcobj;
215 fcobj = obj;
216 obj->age = moves - obj->age; /* actual age */
217 return (1);
218 }
219
220 static int
ck_ice_box(struct obj * obj)221 ck_ice_box(struct obj *obj)
222 {
223 return (obj->o_cnt_id == current_ice_box->o_id);
224 }
225
226 static int
out_ice_box(struct obj * obj)227 out_ice_box(struct obj *obj)
228 {
229 struct obj *otmp;
230 if (obj == fcobj)
231 fcobj = fcobj->nobj;
232 else {
233 for (otmp = fcobj; otmp->nobj != obj; otmp = otmp->nobj)
234 if (!otmp->nobj)
235 panic("out_ice_box");
236 otmp->nobj = obj->nobj;
237 }
238 current_ice_box->owt -= obj->owt;
239 obj->age = moves - obj->age; /* simulated point of time */
240 (void) addinv(obj);
241 return 0;
242 }
243
244 static void
use_ice_box(struct obj * obj)245 use_ice_box(struct obj *obj)
246 {
247 int cnt = 0;
248 struct obj *otmp;
249 current_ice_box = obj; /* for use by in/out_ice_box */
250 for (otmp = fcobj; otmp; otmp = otmp->nobj)
251 if (otmp->o_cnt_id == obj->o_id)
252 cnt++;
253 if (!cnt)
254 pline("Your ice-box is empty.");
255 else {
256 pline("Do you want to take something out of the ice-box? [yn] ");
257 if (readchar() == 'y')
258 if (askchain(fcobj, NULL, 0, out_ice_box, ck_ice_box, 0))
259 return;
260 pline("That was all. Do you wish to put something in? [yn] ");
261 if (readchar() != 'y')
262 return;
263 }
264 /* call getobj: 0: allow cnt; #: allow all types; %: expect food */
265 otmp = getobj("0#%", "put in");
266 if (!otmp || !in_ice_box(otmp))
267 flags.move = multi = 0;
268 }
269
270 static struct monst *
bchit(int ddx,int ddy,int range,int sym)271 bchit(int ddx, int ddy, int range, int sym)
272 {
273 struct monst *mtmp = (struct monst *) 0;
274 int bchx = u.ux, bchy = u.uy;
275
276 if (sym)
277 Tmp_at(-1, sym);/* open call */
278 while (range--) {
279 bchx += ddx;
280 bchy += ddy;
281 if ((mtmp = m_at(bchx, bchy)) != NULL)
282 break;
283 if (!ZAP_POS(levl[bchx][bchy].typ)) {
284 bchx -= ddx;
285 bchy -= ddy;
286 break;
287 }
288 if (sym)
289 Tmp_at(bchx, bchy);
290 }
291 if (sym)
292 Tmp_at(-1, -1);
293 return (mtmp);
294 }
295
296 /* ARGSUSED */
297 static void
use_whistle(struct obj * obj __unused)298 use_whistle(struct obj *obj __unused)
299 {
300 struct monst *mtmp = fmon;
301 pline("You produce a high whistling sound.");
302 while (mtmp) {
303 if (dist(mtmp->mx, mtmp->my) < u.ulevel * 20) {
304 if (mtmp->msleep)
305 mtmp->msleep = 0;
306 if (mtmp->mtame)
307 EDOG(mtmp)->whistletime = moves;
308 }
309 mtmp = mtmp->nmon;
310 }
311 }
312
313 /* ARGSUSED */
314 static void
use_magic_whistle(struct obj * obj __unused)315 use_magic_whistle(struct obj *obj __unused)
316 {
317 struct monst *mtmp = fmon;
318 pline("You produce a strange whistling sound.");
319 while (mtmp) {
320 if (mtmp->mtame)
321 mnexto(mtmp);
322 mtmp = mtmp->nmon;
323 }
324 }
325
326 static int dig_effort; /* effort expended on current pos */
327 static uchar dig_level;
328 static coord dig_pos;
329 static boolean dig_down;
330
331 static int
dig(void)332 dig(void)
333 {
334 struct rm *lev;
335 int dpx = dig_pos.x, dpy = dig_pos.y;
336
337 /* perhaps a nymph stole his pick-axe while he was busy digging */
338 /* or perhaps he teleported away */
339 if (u.uswallow || !uwep || uwep->otyp != PICK_AXE ||
340 dig_level != dlevel ||
341 ((dig_down && (dpx != u.ux || dpy != u.uy)) ||
342 (!dig_down && dist(dpx, dpy) > 2)))
343 return (0);
344
345 dig_effort += 10 + abon() + uwep->spe + rn2(5);
346 if (dig_down) {
347 if (!xdnstair) {
348 pline("The floor here seems too hard to dig in.");
349 return (0);
350 }
351 if (dig_effort > 250) {
352 dighole();
353 return (0); /* done with digging */
354 }
355 if (dig_effort > 50) {
356 struct trap *ttmp = t_at(dpx, dpy);
357
358 if (!ttmp) {
359 ttmp = maketrap(dpx, dpy, PIT);
360 ttmp->tseen = 1;
361 pline("You have dug a pit.");
362 u.utrap = rn1(4, 2);
363 u.utraptype = TT_PIT;
364 return (0);
365 }
366 }
367 } else if (dig_effort > 100) {
368 const char *digtxt;
369 struct obj *obj;
370
371 lev = &levl[dpx][dpy];
372 if ((obj = sobj_at(ENORMOUS_ROCK, dpx, dpy)) != NULL) {
373 fracture_rock(obj);
374 digtxt = "The rock falls apart.";
375 } else if (!lev->typ || lev->typ == SCORR) {
376 lev->typ = CORR;
377 digtxt = "You succeeded in cutting away some rock.";
378 } else if (lev->typ == HWALL || lev->typ == VWALL
379 || lev->typ == SDOOR) {
380 lev->typ = xdnstair ? DOOR : ROOM;
381 digtxt = "You just made an opening in the wall.";
382 } else
383 digtxt = "Now what exactly was it that you were digging in?";
384 mnewsym(dpx, dpy);
385 prl(dpx, dpy);
386 pline("%s", digtxt); /* after mnewsym & prl */
387 return (0);
388 } else {
389 if (IS_WALL(levl[dpx][dpy].typ)) {
390 int rno = inroom(dpx, dpy);
391
392 if (rno >= 0 && rooms[rno].rtype >= 8) {
393 pline("This wall seems too hard to dig into.");
394 return (0);
395 }
396 }
397 pline("You hit the rock with all your might.");
398 }
399 return (1);
400 }
401
402 /* When will hole be finished? Very rough indication used by shopkeeper. */
403 int
holetime(void)404 holetime(void)
405 {
406 return ((occupation == dig) ? (250 - dig_effort) / 20 : -1);
407 }
408
409 void
dighole(void)410 dighole(void)
411 {
412 struct trap *ttmp = t_at(u.ux, u.uy);
413
414 if (!xdnstair) {
415 pline("The floor here seems too hard to dig in.");
416 } else {
417 if (ttmp)
418 ttmp->ttyp = TRAPDOOR;
419 else
420 ttmp = maketrap(u.ux, u.uy, TRAPDOOR);
421 ttmp->tseen = 1;
422 pline("You've made a hole in the floor.");
423 if (!u.ustuck) {
424 if (inshop())
425 shopdig(1);
426 pline("You fall through ...");
427 if (u.utraptype == TT_PIT) {
428 u.utrap = 0;
429 u.utraptype = 0;
430 }
431 goto_level(dlevel + 1, FALSE);
432 }
433 }
434 }
435
436 static int
use_pick_axe(struct obj * obj)437 use_pick_axe(struct obj *obj)
438 {
439 char dirsyms[12];
440 char *dsp = dirsyms, *sdp = sdir;
441 struct monst *mtmp;
442 struct rm *lev;
443 int rx, ry, res = 0;
444
445 if (obj != uwep) {
446 if (uwep && uwep->cursed) {
447 /* Andreas Bormann - ihnp4!decvax!mcvax!unido!ab */
448 pline("Since your weapon is welded to your hand,");
449 pline("you cannot use that pick-axe.");
450 return (0);
451 }
452 pline("You now wield %s.", doname(obj));
453 setuwep(obj);
454 res = 1;
455 }
456 while (*sdp) {
457 (void) movecmd(*sdp); /* sets u.dx and u.dy and u.dz */
458 rx = u.ux + u.dx;
459 ry = u.uy + u.dy;
460 if (u.dz > 0 || (u.dz == 0 && isok(rx, ry) &&
461 (IS_ROCK(levl[rx][ry].typ)
462 || sobj_at(ENORMOUS_ROCK, rx, ry))))
463 *dsp++ = *sdp;
464 sdp++;
465 }
466 *dsp = 0;
467 pline("In what direction do you want to dig? [%s] ", dirsyms);
468 if (!getdir(0)) /* no txt */
469 return (res);
470 if (u.uswallow && attack(u.ustuck)) /* return(1) */
471 ;
472 else if (u.dz < 0)
473 pline("You cannot reach the ceiling.");
474 else if (u.dz == 0) {
475 if (Confusion)
476 confdir();
477 rx = u.ux + u.dx;
478 ry = u.uy + u.dy;
479 if ((mtmp = m_at(rx, ry)) && attack(mtmp))
480 return (1);
481 if (!isok(rx, ry)) {
482 pline("Clash!");
483 return (1);
484 }
485 lev = &levl[rx][ry];
486 if (lev->typ == DOOR)
487 pline("Your %s against the door.",
488 aobjnam(obj, "clang"));
489 else if (!IS_ROCK(lev->typ)
490 && !sobj_at(ENORMOUS_ROCK, rx, ry)) {
491 /* ACCESSIBLE or POOL */
492 pline("You swing your %s through thin air.",
493 aobjnam(obj, NULL));
494 } else {
495 if (dig_pos.x != rx || dig_pos.y != ry
496 || dig_level != dlevel || dig_down) {
497 dig_down = FALSE;
498 dig_pos.x = rx;
499 dig_pos.y = ry;
500 dig_level = dlevel;
501 dig_effort = 0;
502 pline("You start digging.");
503 } else
504 pline("You continue digging.");
505 occupation = dig;
506 occtxt = "digging";
507 }
508 } else if (Levitation) {
509 pline("You cannot reach the floor.");
510 } else {
511 if (dig_pos.x != u.ux || dig_pos.y != u.uy
512 || dig_level != dlevel || !dig_down) {
513 dig_down = TRUE;
514 dig_pos.x = u.ux;
515 dig_pos.y = u.uy;
516 dig_level = dlevel;
517 dig_effort = 0;
518 pline("You start digging in the floor.");
519 if (inshop())
520 shopdig(0);
521 } else
522 pline("You continue digging in the floor.");
523 occupation = dig;
524 occtxt = "digging";
525 }
526 return (1);
527 }
528