Commit | Line | Data |
---|---|---|
6693db17 | 1 | /*- |
984263bc MD |
2 | * Copyright (c) 1988, 1993 |
3 | * The Regents of the University of California. 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. | |
6693db17 | 16 | * 3. Neither the name of the University nor the names of its contributors |
984263bc MD |
17 | * may be used to endorse or promote products derived from this software |
18 | * without specific prior written permission. | |
19 | * | |
20 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
30 | * SUCH DAMAGE. | |
1de703da MD |
31 | * |
32 | * @(#)pack.c 8.1 (Berkeley) 5/31/93 | |
33 | * $FreeBSD: src/games/rogue/pack.c,v 1.8 1999/11/30 03:49:25 billf Exp $ | |
984263bc MD |
34 | */ |
35 | ||
984263bc MD |
36 | /* |
37 | * pack.c | |
38 | * | |
39 | * This source herein may be modified and/or distributed by anybody who | |
40 | * so desires, with the following restrictions: | |
41 | * 1.) No portion of this notice shall be removed. | |
42 | * 2.) Credit shall not be taken for the creation of this source. | |
43 | * 3.) This code is not to be traded, sold, or used for personal | |
44 | * gain or profit. | |
45 | * | |
46 | */ | |
47 | ||
b28e2a8f | 48 | #include <unistd.h> |
984263bc MD |
49 | #include "rogue.h" |
50 | ||
3536f98c | 51 | const char curse_message[] = "you can't, it appears to be cursed"; |
984263bc | 52 | |
6693db17 SW |
53 | static object *check_duplicate(object *, object *); |
54 | static boolean is_pack_letter(short *, unsigned short *); | |
55 | static boolean mask_pack(const object *, unsigned short); | |
56 | static int next_avail_ichar(void); | |
b28e2a8f | 57 | |
984263bc | 58 | object * |
b28e2a8f | 59 | add_to_pack(object *obj, object *pack, int condense) |
984263bc MD |
60 | { |
61 | object *op; | |
62 | ||
63 | if (condense) { | |
6693db17 | 64 | if ((op = check_duplicate(obj, pack)) != NULL) { |
984263bc MD |
65 | free_object(obj); |
66 | return(op); | |
67 | } else { | |
68 | obj->ichar = next_avail_ichar(); | |
69 | } | |
70 | } | |
71 | if (pack->next_object == 0) { | |
72 | pack->next_object = obj; | |
73 | } else { | |
74 | op = pack->next_object; | |
75 | ||
76 | while (op->next_object) { | |
77 | op = op->next_object; | |
78 | } | |
79 | op->next_object = obj; | |
80 | } | |
81 | obj->next_object = 0; | |
82 | return(obj); | |
83 | } | |
84 | ||
b28e2a8f PA |
85 | void |
86 | take_from_pack(object *obj, object *pack) | |
984263bc MD |
87 | { |
88 | while (pack->next_object != obj) { | |
89 | pack = pack->next_object; | |
90 | } | |
91 | pack->next_object = pack->next_object->next_object; | |
92 | } | |
93 | ||
94 | /* Note: *status is set to 0 if the rogue attempts to pick up a scroll | |
95 | * of scare-monster and it turns to dust. *status is otherwise set to 1. | |
96 | */ | |
97 | ||
98 | object * | |
b28e2a8f | 99 | pick_up(int row, int col, short *status) |
984263bc MD |
100 | { |
101 | object *obj; | |
102 | ||
103 | *status = 1; | |
104 | ||
105 | if (levitate) { | |
106 | message("you're floating in the air!", 0); | |
902ec341 | 107 | return(NULL); |
984263bc MD |
108 | } |
109 | obj = object_at(&level_objects, row, col); | |
110 | if (!obj) { | |
111 | message("pick_up(): inconsistent", 1); | |
112 | return(obj); | |
113 | } | |
114 | if ( (obj->what_is == SCROL) && | |
115 | (obj->which_kind == SCARE_MONSTER) && | |
116 | obj->picked_up) { | |
117 | message("the scroll turns to dust as you pick it up", 0); | |
118 | dungeon[row][col] &= (~OBJECT); | |
119 | vanish(obj, 0, &level_objects); | |
120 | *status = 0; | |
121 | if (id_scrolls[SCARE_MONSTER].id_status == UNIDENTIFIED) { | |
122 | id_scrolls[SCARE_MONSTER].id_status = IDENTIFIED; | |
123 | } | |
902ec341 | 124 | return(NULL); |
984263bc MD |
125 | } |
126 | if (obj->what_is == GOLD) { | |
127 | rogue.gold += obj->quantity; | |
128 | dungeon[row][col] &= ~(OBJECT); | |
129 | take_from_pack(obj, &level_objects); | |
130 | print_stats(STAT_GOLD); | |
131 | return(obj); /* obj will be free_object()ed in caller */ | |
132 | } | |
133 | if (pack_count(obj) >= MAX_PACK_COUNT) { | |
134 | message("pack too full", 1); | |
902ec341 | 135 | return(NULL); |
984263bc MD |
136 | } |
137 | dungeon[row][col] &= ~(OBJECT); | |
138 | take_from_pack(obj, &level_objects); | |
139 | obj = add_to_pack(obj, &rogue.pack, 1); | |
140 | obj->picked_up = 1; | |
141 | return(obj); | |
142 | } | |
143 | ||
b28e2a8f PA |
144 | void |
145 | drop(void) | |
984263bc MD |
146 | { |
147 | object *obj, *new; | |
148 | short ch; | |
149 | char desc[DCOLS]; | |
150 | ||
151 | if (dungeon[rogue.row][rogue.col] & (OBJECT | STAIRS | TRAP)) { | |
152 | message("there's already something there", 0); | |
153 | return; | |
154 | } | |
155 | if (!rogue.pack.next_object) { | |
156 | message("you have nothing to drop", 0); | |
157 | return; | |
158 | } | |
159 | if ((ch = pack_letter("drop what?", ALL_OBJECTS)) == CANCEL) { | |
160 | return; | |
161 | } | |
162 | if (!(obj = get_letter_object(ch))) { | |
163 | message("no such item.", 0); | |
164 | return; | |
165 | } | |
166 | if (obj->in_use_flags & BEING_WIELDED) { | |
167 | if (obj->is_cursed) { | |
168 | message(curse_message, 0); | |
169 | return; | |
170 | } | |
171 | unwield(rogue.weapon); | |
172 | } else if (obj->in_use_flags & BEING_WORN) { | |
173 | if (obj->is_cursed) { | |
174 | message(curse_message, 0); | |
175 | return; | |
176 | } | |
177 | mv_aquatars(); | |
178 | unwear(rogue.armor); | |
179 | print_stats(STAT_ARMOR); | |
180 | } else if (obj->in_use_flags & ON_EITHER_HAND) { | |
181 | if (obj->is_cursed) { | |
182 | message(curse_message, 0); | |
183 | return; | |
184 | } | |
185 | un_put_on(obj); | |
186 | } | |
187 | obj->row = rogue.row; | |
188 | obj->col = rogue.col; | |
189 | ||
190 | if ((obj->quantity > 1) && (obj->what_is != WEAPON)) { | |
191 | obj->quantity--; | |
192 | new = alloc_object(); | |
193 | *new = *obj; | |
194 | new->quantity = 1; | |
195 | obj = new; | |
196 | } else { | |
197 | obj->ichar = 'L'; | |
198 | take_from_pack(obj, &rogue.pack); | |
199 | } | |
200 | place_at(obj, rogue.row, rogue.col); | |
b28e2a8f | 201 | strcpy(desc, "dropped "); |
6693db17 | 202 | get_desc(obj, desc + 8); |
984263bc | 203 | message(desc, 0); |
b28e2a8f | 204 | reg_move(); |
984263bc MD |
205 | } |
206 | ||
b28e2a8f PA |
207 | static object * |
208 | check_duplicate(object *obj, object *pack) | |
984263bc MD |
209 | { |
210 | object *op; | |
211 | ||
212 | if (!(obj->what_is & (WEAPON | FOOD | SCROL | POTION))) { | |
213 | return(0); | |
214 | } | |
215 | if ((obj->what_is == FOOD) && (obj->which_kind == FRUIT)) { | |
216 | return(0); | |
217 | } | |
218 | op = pack->next_object; | |
219 | ||
220 | while (op) { | |
221 | if ((op->what_is == obj->what_is) && | |
222 | (op->which_kind == obj->which_kind)) { | |
223 | ||
224 | if ((obj->what_is != WEAPON) || | |
225 | ((obj->what_is == WEAPON) && | |
226 | ((obj->which_kind == ARROW) || | |
227 | (obj->which_kind == DAGGER) || | |
228 | (obj->which_kind == DART) || | |
229 | (obj->which_kind == SHURIKEN)) && | |
230 | (obj->quiver == op->quiver))) { | |
231 | op->quantity += obj->quantity; | |
232 | return(op); | |
233 | } | |
234 | } | |
235 | op = op->next_object; | |
236 | } | |
237 | return(0); | |
238 | } | |
239 | ||
b28e2a8f PA |
240 | static int |
241 | next_avail_ichar(void) | |
984263bc MD |
242 | { |
243 | object *obj; | |
244 | int i; | |
245 | boolean ichars[26]; | |
246 | ||
247 | for (i = 0; i < 26; i++) { | |
248 | ichars[i] = 0; | |
249 | } | |
250 | obj = rogue.pack.next_object; | |
251 | while (obj) { | |
3536f98c | 252 | if (obj->ichar >= 'a' && obj->ichar <= 'z') { |
253 | ichars[(obj->ichar - 'a')] = 1; | |
254 | } | |
984263bc MD |
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 | ||
b28e2a8f PA |
265 | void |
266 | wait_for_ack(void) | |
984263bc MD |
267 | { |
268 | if (!isatty(0) || !isatty(1)) | |
269 | return; | |
6693db17 SW |
270 | while (rgetchar() != ' ') |
271 | ; | |
984263bc MD |
272 | } |
273 | ||
b28e2a8f PA |
274 | short |
275 | pack_letter(const char *prompt, unsigned short mask) | |
984263bc MD |
276 | { |
277 | short ch; | |
278 | unsigned short tmask = mask; | |
279 | ||
280 | if (!mask_pack(&rogue.pack, mask)) { | |
281 | message("nothing appropriate", 0); | |
282 | return(CANCEL); | |
283 | } | |
284 | for (;;) { | |
285 | ||
286 | message(prompt, 0); | |
287 | ||
288 | for (;;) { | |
289 | ch = rgetchar(); | |
290 | if (!is_pack_letter(&ch, &mask)) { | |
291 | sound_bell(); | |
292 | } else { | |
293 | break; | |
294 | } | |
295 | } | |
296 | ||
297 | if (ch == LIST) { | |
298 | check_message(); | |
299 | mask = tmask; | |
300 | inventory(&rogue.pack, mask); | |
301 | } else { | |
302 | break; | |
303 | } | |
304 | mask = tmask; | |
305 | } | |
306 | check_message(); | |
307 | return(ch); | |
308 | } | |
309 | ||
b28e2a8f PA |
310 | void |
311 | take_off(void) | |
984263bc MD |
312 | { |
313 | char desc[DCOLS]; | |
314 | object *obj; | |
315 | ||
316 | if (rogue.armor) { | |
317 | if (rogue.armor->is_cursed) { | |
318 | message(curse_message, 0); | |
319 | } else { | |
320 | mv_aquatars(); | |
321 | obj = rogue.armor; | |
322 | unwear(rogue.armor); | |
b28e2a8f | 323 | strcpy(desc, "was wearing "); |
984263bc MD |
324 | get_desc(obj, desc+12); |
325 | message(desc, 0); | |
326 | print_stats(STAT_ARMOR); | |
b28e2a8f | 327 | reg_move(); |
984263bc MD |
328 | } |
329 | } else { | |
330 | message("not wearing any", 0); | |
331 | } | |
332 | } | |
333 | ||
b28e2a8f PA |
334 | void |
335 | wear(void) | |
984263bc MD |
336 | { |
337 | short ch; | |
338 | object *obj; | |
339 | char desc[DCOLS]; | |
340 | ||
341 | if (rogue.armor) { | |
0a2f18be | 342 | message("you're already wearing some", 0); |
984263bc MD |
343 | return; |
344 | } | |
345 | ch = pack_letter("wear what?", ARMOR); | |
346 | ||
347 | if (ch == CANCEL) { | |
348 | return; | |
349 | } | |
350 | if (!(obj = get_letter_object(ch))) { | |
351 | message("no such item.", 0); | |
352 | return; | |
353 | } | |
354 | if (obj->what_is != ARMOR) { | |
355 | message("you can't wear that", 0); | |
356 | return; | |
357 | } | |
358 | obj->identified = 1; | |
b28e2a8f | 359 | strcpy(desc, "wearing "); |
984263bc MD |
360 | get_desc(obj, desc + 8); |
361 | message(desc, 0); | |
362 | do_wear(obj); | |
363 | print_stats(STAT_ARMOR); | |
b28e2a8f | 364 | reg_move(); |
984263bc MD |
365 | } |
366 | ||
b28e2a8f PA |
367 | void |
368 | unwear(object *obj) | |
984263bc MD |
369 | { |
370 | if (obj) { | |
371 | obj->in_use_flags &= (~BEING_WORN); | |
372 | } | |
902ec341 | 373 | rogue.armor = NULL; |
984263bc MD |
374 | } |
375 | ||
b28e2a8f PA |
376 | void |
377 | do_wear(object *obj) | |
984263bc MD |
378 | { |
379 | rogue.armor = obj; | |
380 | obj->in_use_flags |= BEING_WORN; | |
381 | obj->identified = 1; | |
382 | } | |
383 | ||
b28e2a8f PA |
384 | void |
385 | wield(void) | |
984263bc MD |
386 | { |
387 | short ch; | |
388 | object *obj; | |
389 | char desc[DCOLS]; | |
390 | ||
391 | if (rogue.weapon && rogue.weapon->is_cursed) { | |
392 | message(curse_message, 0); | |
393 | return; | |
394 | } | |
395 | ch = pack_letter("wield what?", WEAPON); | |
396 | ||
397 | if (ch == CANCEL) { | |
398 | return; | |
399 | } | |
400 | if (!(obj = get_letter_object(ch))) { | |
401 | message("No such item.", 0); | |
402 | return; | |
403 | } | |
404 | if (obj->what_is & (ARMOR | RING)) { | |
405 | sprintf(desc, "you can't wield %s", | |
406 | ((obj->what_is == ARMOR) ? "armor" : "rings")); | |
407 | message(desc, 0); | |
408 | return; | |
409 | } | |
410 | if (obj->in_use_flags & BEING_WIELDED) { | |
411 | message("in use", 0); | |
412 | } else { | |
413 | unwield(rogue.weapon); | |
b28e2a8f | 414 | strcpy(desc, "wielding "); |
984263bc MD |
415 | get_desc(obj, desc + 9); |
416 | message(desc, 0); | |
417 | do_wield(obj); | |
b28e2a8f | 418 | reg_move(); |
984263bc MD |
419 | } |
420 | } | |
421 | ||
b28e2a8f PA |
422 | void |
423 | do_wield(object *obj) | |
984263bc MD |
424 | { |
425 | rogue.weapon = obj; | |
426 | obj->in_use_flags |= BEING_WIELDED; | |
427 | } | |
428 | ||
b28e2a8f PA |
429 | void |
430 | unwield(object *obj) | |
984263bc MD |
431 | { |
432 | if (obj) { | |
433 | obj->in_use_flags &= (~BEING_WIELDED); | |
434 | } | |
902ec341 | 435 | rogue.weapon = NULL; |
984263bc MD |
436 | } |
437 | ||
b28e2a8f PA |
438 | void |
439 | call_it(void) | |
984263bc MD |
440 | { |
441 | short ch; | |
442 | object *obj; | |
443 | struct id *id_table; | |
444 | char buf[MAX_TITLE_LENGTH+2]; | |
445 | ||
446 | ch = pack_letter("call what?", (SCROL | POTION | WAND | RING)); | |
447 | ||
448 | if (ch == CANCEL) { | |
449 | return; | |
450 | } | |
451 | if (!(obj = get_letter_object(ch))) { | |
452 | message("no such item.", 0); | |
453 | return; | |
454 | } | |
455 | if (!(obj->what_is & (SCROL | POTION | WAND | RING))) { | |
456 | message("surely you already know what that's called", 0); | |
457 | return; | |
458 | } | |
459 | id_table = get_id_table(obj); | |
460 | ||
461 | if (get_input_line("call it:","",buf,id_table[obj->which_kind].title,1,1)) { | |
462 | id_table[obj->which_kind].id_status = CALLED; | |
b28e2a8f | 463 | strcpy(id_table[obj->which_kind].title, buf); |
984263bc MD |
464 | } |
465 | } | |
466 | ||
b28e2a8f PA |
467 | short |
468 | pack_count(const object *new_obj) | |
984263bc MD |
469 | { |
470 | object *obj; | |
471 | short count = 0; | |
472 | ||
473 | obj = rogue.pack.next_object; | |
474 | ||
475 | while (obj) { | |
476 | if (obj->what_is != WEAPON) { | |
477 | count += obj->quantity; | |
478 | } else if (!new_obj) { | |
479 | count++; | |
480 | } else if ((new_obj->what_is != WEAPON) || | |
481 | ((obj->which_kind != ARROW) && | |
482 | (obj->which_kind != DAGGER) && | |
483 | (obj->which_kind != DART) && | |
484 | (obj->which_kind != SHURIKEN)) || | |
485 | (new_obj->which_kind != obj->which_kind) || | |
486 | (obj->quiver != new_obj->quiver)) { | |
487 | count++; | |
488 | } | |
489 | obj = obj->next_object; | |
490 | } | |
491 | return(count); | |
492 | } | |
493 | ||
b28e2a8f PA |
494 | static boolean |
495 | mask_pack(const object *pack, unsigned short mask) | |
984263bc MD |
496 | { |
497 | while (pack->next_object) { | |
498 | pack = pack->next_object; | |
499 | if (pack->what_is & mask) { | |
500 | return(1); | |
501 | } | |
502 | } | |
503 | return(0); | |
504 | } | |
505 | ||
b28e2a8f PA |
506 | static boolean |
507 | is_pack_letter(short *c, unsigned short *mask) | |
984263bc MD |
508 | { |
509 | if (((*c == '?') || (*c == '!') || (*c == ':') || (*c == '=') || | |
510 | (*c == ')') || (*c == ']') || (*c == '/') || (*c == ','))) { | |
511 | switch(*c) { | |
512 | case '?': | |
513 | *mask = SCROL; | |
514 | break; | |
515 | case '!': | |
516 | *mask = POTION; | |
517 | break; | |
518 | case ':': | |
519 | *mask = FOOD; | |
520 | break; | |
521 | case ')': | |
522 | *mask = WEAPON; | |
523 | break; | |
524 | case ']': | |
525 | *mask = ARMOR; | |
526 | break; | |
527 | case '/': | |
528 | *mask = WAND; | |
529 | break; | |
530 | case '=': | |
531 | *mask = RING; | |
532 | break; | |
533 | case ',': | |
534 | *mask = AMULET; | |
535 | break; | |
536 | } | |
537 | *c = LIST; | |
538 | return(1); | |
539 | } | |
540 | return(((*c >= 'a') && (*c <= 'z')) || (*c == CANCEL) || (*c == LIST)); | |
541 | } | |
542 | ||
b28e2a8f PA |
543 | boolean |
544 | has_amulet(void) | |
984263bc MD |
545 | { |
546 | return(mask_pack(&rogue.pack, AMULET)); | |
547 | } | |
548 | ||
b28e2a8f PA |
549 | void |
550 | kick_into_pack(void) | |
984263bc MD |
551 | { |
552 | object *obj; | |
553 | char desc[DCOLS]; | |
554 | short n, stat; | |
555 | ||
556 | if (!(dungeon[rogue.row][rogue.col] & OBJECT)) { | |
557 | message("nothing here", 0); | |
558 | } else { | |
6693db17 | 559 | if ((obj = pick_up(rogue.row, rogue.col, &stat)) != NULL) { |
984263bc MD |
560 | get_desc(obj, desc); |
561 | if (obj->what_is == GOLD) { | |
562 | message(desc, 0); | |
563 | free_object(obj); | |
564 | } else { | |
565 | n = strlen(desc); | |
566 | desc[n] = '('; | |
567 | desc[n+1] = obj->ichar; | |
568 | desc[n+2] = ')'; | |
569 | desc[n+3] = 0; | |
570 | message(desc, 0); | |
571 | } | |
572 | } | |
573 | if (obj || (!stat)) { | |
b28e2a8f | 574 | reg_move(); |
984263bc MD |
575 | } |
576 | } | |
577 | } |