Commit | Line | Data |
---|---|---|
8bb0f55f WJ |
1 | /* |
2 | * Copyright (c) 1988 The Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * This code is derived from software contributed to Berkeley by | |
6 | * Timothy C. Stoehr. | |
7 | * | |
8 | * Redistribution and use in source and binary forms, with or without | |
9 | * modification, are permitted provided that the following conditions | |
10 | * are met: | |
11 | * 1. Redistributions of source code must retain the above copyright | |
12 | * notice, this list of conditions and the following disclaimer. | |
13 | * 2. Redistributions in binary form must reproduce the above copyright | |
14 | * notice, this list of conditions and the following disclaimer in the | |
15 | * documentation and/or other materials provided with the distribution. | |
16 | * 3. All advertising materials mentioning features or use of this software | |
17 | * must display the following acknowledgement: | |
18 | * This product includes software developed by the University of | |
19 | * California, Berkeley and its contributors. | |
20 | * 4. Neither the name of the University nor the names of its contributors | |
21 | * may be used to endorse or promote products derived from this software | |
22 | * without specific prior written permission. | |
23 | * | |
24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
34 | * SUCH DAMAGE. | |
35 | */ | |
36 | ||
37 | #ifndef lint | |
38 | static char sccsid[] = "@(#)pack.c 5.3 (Berkeley) 6/1/90"; | |
39 | #endif /* not lint */ | |
40 | ||
41 | /* | |
42 | * pack.c | |
43 | * | |
44 | * This source herein may be modified and/or distributed by anybody who | |
45 | * so desires, with the following restrictions: | |
46 | * 1.) No portion of this notice shall be removed. | |
47 | * 2.) Credit shall not be taken for the creation of this source. | |
48 | * 3.) This code is not to be traded, sold, or used for personal | |
49 | * gain or profit. | |
50 | * | |
51 | */ | |
52 | ||
53 | #include "rogue.h" | |
54 | ||
55 | char *curse_message = "you can't, it appears to be cursed"; | |
56 | ||
57 | extern short levitate; | |
58 | ||
59 | object * | |
60 | add_to_pack(obj, pack, condense) | |
61 | object *obj, *pack; | |
62 | { | |
63 | object *op; | |
64 | ||
65 | if (condense) { | |
66 | if (op = check_duplicate(obj, pack)) { | |
67 | free_object(obj); | |
68 | return(op); | |
69 | } else { | |
70 | obj->ichar = next_avail_ichar(); | |
71 | } | |
72 | } | |
73 | if (pack->next_object == 0) { | |
74 | pack->next_object = obj; | |
75 | } else { | |
76 | op = pack->next_object; | |
77 | ||
78 | while (op->next_object) { | |
79 | op = op->next_object; | |
80 | } | |
81 | op->next_object = obj; | |
82 | } | |
83 | obj->next_object = 0; | |
84 | return(obj); | |
85 | } | |
86 | ||
87 | take_from_pack(obj, pack) | |
88 | object *obj, *pack; | |
89 | { | |
90 | while (pack->next_object != obj) { | |
91 | pack = pack->next_object; | |
92 | } | |
93 | pack->next_object = pack->next_object->next_object; | |
94 | } | |
95 | ||
96 | /* Note: *status is set to 0 if the rogue attempts to pick up a scroll | |
97 | * of scare-monster and it turns to dust. *status is otherwise set to 1. | |
98 | */ | |
99 | ||
100 | object * | |
101 | pick_up(row, col, status) | |
102 | short *status; | |
103 | { | |
104 | object *obj; | |
105 | ||
106 | *status = 1; | |
107 | ||
108 | if (levitate) { | |
109 | message("you're floating in the air!", 0); | |
110 | return((object *) 0); | |
111 | } | |
112 | obj = object_at(&level_objects, row, col); | |
113 | if (!obj) { | |
114 | message("pick_up(): inconsistent", 1); | |
115 | return(obj); | |
116 | } | |
117 | if ( (obj->what_is == SCROL) && | |
118 | (obj->which_kind == SCARE_MONSTER) && | |
119 | obj->picked_up) { | |
120 | message("the scroll turns to dust as you pick it up", 0); | |
121 | dungeon[row][col] &= (~OBJECT); | |
122 | vanish(obj, 0, &level_objects); | |
123 | *status = 0; | |
124 | if (id_scrolls[SCARE_MONSTER].id_status == UNIDENTIFIED) { | |
125 | id_scrolls[SCARE_MONSTER].id_status = IDENTIFIED; | |
126 | } | |
127 | return((object *) 0); | |
128 | } | |
129 | if (obj->what_is == GOLD) { | |
130 | rogue.gold += obj->quantity; | |
131 | dungeon[row][col] &= ~(OBJECT); | |
132 | take_from_pack(obj, &level_objects); | |
133 | print_stats(STAT_GOLD); | |
134 | return(obj); /* obj will be free_object()ed in caller */ | |
135 | } | |
136 | if (pack_count(obj) >= MAX_PACK_COUNT) { | |
137 | message("pack too full", 1); | |
138 | return((object *) 0); | |
139 | } | |
140 | dungeon[row][col] &= ~(OBJECT); | |
141 | take_from_pack(obj, &level_objects); | |
142 | obj = add_to_pack(obj, &rogue.pack, 1); | |
143 | obj->picked_up = 1; | |
144 | return(obj); | |
145 | } | |
146 | ||
147 | drop() | |
148 | { | |
149 | object *obj, *new; | |
150 | short ch; | |
151 | char desc[DCOLS]; | |
152 | ||
153 | if (dungeon[rogue.row][rogue.col] & (OBJECT | STAIRS | TRAP)) { | |
154 | message("there's already something there", 0); | |
155 | return; | |
156 | } | |
157 | if (!rogue.pack.next_object) { | |
158 | message("you have nothing to drop", 0); | |
159 | return; | |
160 | } | |
161 | if ((ch = pack_letter("drop what?", ALL_OBJECTS)) == CANCEL) { | |
162 | return; | |
163 | } | |
164 | if (!(obj = get_letter_object(ch))) { | |
165 | message("no such item.", 0); | |
166 | return; | |
167 | } | |
168 | if (obj->in_use_flags & BEING_WIELDED) { | |
169 | if (obj->is_cursed) { | |
170 | message(curse_message, 0); | |
171 | return; | |
172 | } | |
173 | unwield(rogue.weapon); | |
174 | } else if (obj->in_use_flags & BEING_WORN) { | |
175 | if (obj->is_cursed) { | |
176 | message(curse_message, 0); | |
177 | return; | |
178 | } | |
179 | mv_aquatars(); | |
180 | unwear(rogue.armor); | |
181 | print_stats(STAT_ARMOR); | |
182 | } else if (obj->in_use_flags & ON_EITHER_HAND) { | |
183 | if (obj->is_cursed) { | |
184 | message(curse_message, 0); | |
185 | return; | |
186 | } | |
187 | un_put_on(obj); | |
188 | } | |
189 | obj->row = rogue.row; | |
190 | obj->col = rogue.col; | |
191 | ||
192 | if ((obj->quantity > 1) && (obj->what_is != WEAPON)) { | |
193 | obj->quantity--; | |
194 | new = alloc_object(); | |
195 | *new = *obj; | |
196 | new->quantity = 1; | |
197 | obj = new; | |
198 | } else { | |
199 | obj->ichar = 'L'; | |
200 | take_from_pack(obj, &rogue.pack); | |
201 | } | |
202 | place_at(obj, rogue.row, rogue.col); | |
203 | (void) strcpy(desc, "dropped "); | |
204 | get_desc(obj, desc+8); | |
205 | message(desc, 0); | |
206 | (void) reg_move(); | |
207 | } | |
208 | ||
209 | object * | |
210 | check_duplicate(obj, pack) | |
211 | object *obj, *pack; | |
212 | { | |
213 | object *op; | |
214 | ||
215 | if (!(obj->what_is & (WEAPON | FOOD | SCROL | POTION))) { | |
216 | return(0); | |
217 | } | |
218 | if ((obj->what_is == FOOD) && (obj->which_kind == FRUIT)) { | |
219 | return(0); | |
220 | } | |
221 | op = pack->next_object; | |
222 | ||
223 | while (op) { | |
224 | if ((op->what_is == obj->what_is) && | |
225 | (op->which_kind == obj->which_kind)) { | |
226 | ||
227 | if ((obj->what_is != WEAPON) || | |
228 | ((obj->what_is == WEAPON) && | |
229 | ((obj->which_kind == ARROW) || | |
230 | (obj->which_kind == DAGGER) || | |
231 | (obj->which_kind == DART) || | |
232 | (obj->which_kind == SHURIKEN)) && | |
233 | (obj->quiver == op->quiver))) { | |
234 | op->quantity += obj->quantity; | |
235 | return(op); | |
236 | } | |
237 | } | |
238 | op = op->next_object; | |
239 | } | |
240 | return(0); | |
241 | } | |
242 | ||
243 | next_avail_ichar() | |
244 | { | |
245 | register object *obj; | |
246 | register i; | |
247 | boolean ichars[26]; | |
248 | ||
249 | for (i = 0; i < 26; i++) { | |
250 | ichars[i] = 0; | |
251 | } | |
252 | obj = rogue.pack.next_object; | |
253 | while (obj) { | |
254 | ichars[(obj->ichar - 'a')] = 1; | |
255 | obj = obj->next_object; | |
256 | } | |
257 | for (i = 0; i < 26; i++) { | |
258 | if (!ichars[i]) { | |
259 | return(i + 'a'); | |
260 | } | |
261 | } | |
262 | return('?'); | |
263 | } | |
264 | ||
265 | wait_for_ack() | |
266 | { | |
267 | while (rgetchar() != ' ') ; | |
268 | } | |
269 | ||
270 | pack_letter(prompt, mask) | |
271 | char *prompt; | |
272 | unsigned short mask; | |
273 | { | |
274 | short ch; | |
275 | unsigned short tmask = mask; | |
276 | ||
277 | if (!mask_pack(&rogue.pack, mask)) { | |
278 | message("nothing appropriate", 0); | |
279 | return(CANCEL); | |
280 | } | |
281 | for (;;) { | |
282 | ||
283 | message(prompt, 0); | |
284 | ||
285 | for (;;) { | |
286 | ch = rgetchar(); | |
287 | if (!is_pack_letter(&ch, &mask)) { | |
288 | sound_bell(); | |
289 | } else { | |
290 | break; | |
291 | } | |
292 | } | |
293 | ||
294 | if (ch == LIST) { | |
295 | check_message(); | |
296 | inventory(&rogue.pack, mask); | |
297 | } else { | |
298 | break; | |
299 | } | |
300 | mask = tmask; | |
301 | } | |
302 | check_message(); | |
303 | return(ch); | |
304 | } | |
305 | ||
306 | take_off() | |
307 | { | |
308 | char desc[DCOLS]; | |
309 | object *obj; | |
310 | ||
311 | if (rogue.armor) { | |
312 | if (rogue.armor->is_cursed) { | |
313 | message(curse_message, 0); | |
314 | } else { | |
315 | mv_aquatars(); | |
316 | obj = rogue.armor; | |
317 | unwear(rogue.armor); | |
318 | (void) strcpy(desc, "was wearing "); | |
319 | get_desc(obj, desc+12); | |
320 | message(desc, 0); | |
321 | print_stats(STAT_ARMOR); | |
322 | (void) reg_move(); | |
323 | } | |
324 | } else { | |
325 | message("not wearing any", 0); | |
326 | } | |
327 | } | |
328 | ||
329 | wear() | |
330 | { | |
331 | short ch; | |
332 | register object *obj; | |
333 | char desc[DCOLS]; | |
334 | ||
335 | if (rogue.armor) { | |
336 | message("your already wearing some", 0); | |
337 | return; | |
338 | } | |
339 | ch = pack_letter("wear what?", ARMOR); | |
340 | ||
341 | if (ch == CANCEL) { | |
342 | return; | |
343 | } | |
344 | if (!(obj = get_letter_object(ch))) { | |
345 | message("no such item.", 0); | |
346 | return; | |
347 | } | |
348 | if (obj->what_is != ARMOR) { | |
349 | message("you can't wear that", 0); | |
350 | return; | |
351 | } | |
352 | obj->identified = 1; | |
353 | (void) strcpy(desc, "wearing "); | |
354 | get_desc(obj, desc + 8); | |
355 | message(desc, 0); | |
356 | do_wear(obj); | |
357 | print_stats(STAT_ARMOR); | |
358 | (void) reg_move(); | |
359 | } | |
360 | ||
361 | unwear(obj) | |
362 | object *obj; | |
363 | { | |
364 | if (obj) { | |
365 | obj->in_use_flags &= (~BEING_WORN); | |
366 | } | |
367 | rogue.armor = (object *) 0; | |
368 | } | |
369 | ||
370 | do_wear(obj) | |
371 | object *obj; | |
372 | { | |
373 | rogue.armor = obj; | |
374 | obj->in_use_flags |= BEING_WORN; | |
375 | obj->identified = 1; | |
376 | } | |
377 | ||
378 | wield() | |
379 | { | |
380 | short ch; | |
381 | register object *obj; | |
382 | char desc[DCOLS]; | |
383 | ||
384 | if (rogue.weapon && rogue.weapon->is_cursed) { | |
385 | message(curse_message, 0); | |
386 | return; | |
387 | } | |
388 | ch = pack_letter("wield what?", WEAPON); | |
389 | ||
390 | if (ch == CANCEL) { | |
391 | return; | |
392 | } | |
393 | if (!(obj = get_letter_object(ch))) { | |
394 | message("No such item.", 0); | |
395 | return; | |
396 | } | |
397 | if (obj->what_is & (ARMOR | RING)) { | |
398 | sprintf(desc, "you can't wield %s", | |
399 | ((obj->what_is == ARMOR) ? "armor" : "rings")); | |
400 | message(desc, 0); | |
401 | return; | |
402 | } | |
403 | if (obj->in_use_flags & BEING_WIELDED) { | |
404 | message("in use", 0); | |
405 | } else { | |
406 | unwield(rogue.weapon); | |
407 | (void) strcpy(desc, "wielding "); | |
408 | get_desc(obj, desc + 9); | |
409 | message(desc, 0); | |
410 | do_wield(obj); | |
411 | (void) reg_move(); | |
412 | } | |
413 | } | |
414 | ||
415 | do_wield(obj) | |
416 | object *obj; | |
417 | { | |
418 | rogue.weapon = obj; | |
419 | obj->in_use_flags |= BEING_WIELDED; | |
420 | } | |
421 | ||
422 | unwield(obj) | |
423 | object *obj; | |
424 | { | |
425 | if (obj) { | |
426 | obj->in_use_flags &= (~BEING_WIELDED); | |
427 | } | |
428 | rogue.weapon = (object *) 0; | |
429 | } | |
430 | ||
431 | call_it() | |
432 | { | |
433 | short ch; | |
434 | register object *obj; | |
435 | struct id *id_table; | |
436 | char buf[MAX_TITLE_LENGTH+2]; | |
437 | ||
438 | ch = pack_letter("call what?", (SCROL | POTION | WAND | RING)); | |
439 | ||
440 | if (ch == CANCEL) { | |
441 | return; | |
442 | } | |
443 | if (!(obj = get_letter_object(ch))) { | |
444 | message("no such item.", 0); | |
445 | return; | |
446 | } | |
447 | if (!(obj->what_is & (SCROL | POTION | WAND | RING))) { | |
448 | message("surely you already know what that's called", 0); | |
449 | return; | |
450 | } | |
451 | id_table = get_id_table(obj); | |
452 | ||
453 | if (get_input_line("call it:","",buf,id_table[obj->which_kind].title,1,1)) { | |
454 | id_table[obj->which_kind].id_status = CALLED; | |
455 | (void) strcpy(id_table[obj->which_kind].title, buf); | |
456 | } | |
457 | } | |
458 | ||
459 | pack_count(new_obj) | |
460 | object *new_obj; | |
461 | { | |
462 | object *obj; | |
463 | short count = 0; | |
464 | ||
465 | obj = rogue.pack.next_object; | |
466 | ||
467 | while (obj) { | |
468 | if (obj->what_is != WEAPON) { | |
469 | count += obj->quantity; | |
470 | } else if (!new_obj) { | |
471 | count++; | |
472 | } else if ((new_obj->what_is != WEAPON) || | |
473 | ((obj->which_kind != ARROW) && | |
474 | (obj->which_kind != DAGGER) && | |
475 | (obj->which_kind != DART) && | |
476 | (obj->which_kind != SHURIKEN)) || | |
477 | (new_obj->which_kind != obj->which_kind) || | |
478 | (obj->quiver != new_obj->quiver)) { | |
479 | count++; | |
480 | } | |
481 | obj = obj->next_object; | |
482 | } | |
483 | return(count); | |
484 | } | |
485 | ||
486 | boolean | |
487 | mask_pack(pack, mask) | |
488 | object *pack; | |
489 | unsigned short mask; | |
490 | { | |
491 | while (pack->next_object) { | |
492 | pack = pack->next_object; | |
493 | if (pack->what_is & mask) { | |
494 | return(1); | |
495 | } | |
496 | } | |
497 | return(0); | |
498 | } | |
499 | ||
500 | is_pack_letter(c, mask) | |
501 | short *c; | |
502 | unsigned short *mask; | |
503 | { | |
504 | if (((*c == '?') || (*c == '!') || (*c == ':') || (*c == '=') || | |
505 | (*c == ')') || (*c == ']') || (*c == '/') || (*c == ','))) { | |
506 | switch(*c) { | |
507 | case '?': | |
508 | *mask = SCROL; | |
509 | break; | |
510 | case '!': | |
511 | *mask = POTION; | |
512 | break; | |
513 | case ':': | |
514 | *mask = FOOD; | |
515 | break; | |
516 | case ')': | |
517 | *mask = WEAPON; | |
518 | break; | |
519 | case ']': | |
520 | *mask = ARMOR; | |
521 | break; | |
522 | case '/': | |
523 | *mask = WAND; | |
524 | break; | |
525 | case '=': | |
526 | *mask = RING; | |
527 | break; | |
528 | case ',': | |
529 | *mask = AMULET; | |
530 | break; | |
531 | } | |
532 | *c = LIST; | |
533 | return(1); | |
534 | } | |
535 | return(((*c >= 'a') && (*c <= 'z')) || (*c == CANCEL) || (*c == LIST)); | |
536 | } | |
537 | ||
538 | has_amulet() | |
539 | { | |
540 | return(mask_pack(&rogue.pack, AMULET)); | |
541 | } | |
542 | ||
543 | kick_into_pack() | |
544 | { | |
545 | object *obj; | |
546 | char desc[DCOLS]; | |
547 | short n, stat; | |
548 | ||
549 | if (!(dungeon[rogue.row][rogue.col] & OBJECT)) { | |
550 | message("nothing here", 0); | |
551 | } else { | |
552 | if (obj = pick_up(rogue.row, rogue.col, &stat)) { | |
553 | get_desc(obj, desc); | |
554 | if (obj->what_is == GOLD) { | |
555 | message(desc, 0); | |
556 | free_object(obj); | |
557 | } else { | |
558 | n = strlen(desc); | |
559 | desc[n] = '('; | |
560 | desc[n+1] = obj->ichar; | |
561 | desc[n+2] = ')'; | |
562 | desc[n+3] = 0; | |
563 | message(desc, 0); | |
564 | } | |
565 | } | |
566 | if (obj || (!stat)) { | |
567 | (void) reg_move(); | |
568 | } | |
569 | } | |
570 | } |