Commit | Line | Data |
---|---|---|
fc3e88fd KB |
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 are permitted | |
9 | * provided that the above copyright notice and this paragraph are | |
10 | * duplicated in all such forms and that any documentation, | |
11 | * advertising materials, and other materials related to such | |
12 | * distribution and use acknowledge that the software was developed | |
13 | * by the University of California, Berkeley. The name of the | |
14 | * University may not be used to endorse or promote products derived | |
15 | * from this software without specific prior written permission. | |
16 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
17 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
19 | */ | |
20 | ||
21 | #ifndef lint | |
22 | static char sccsid[] = "@(#)pack.c 5.2 (Berkeley) %G%"; | |
23 | #endif /* not lint */ | |
24 | ||
b3afadef KB |
25 | /* |
26 | * pack.c | |
27 | * | |
28 | * This source herein may be modified and/or distributed by anybody who | |
29 | * so desires, with the following restrictions: | |
30 | * 1.) No portion of this notice shall be removed. | |
31 | * 2.) Credit shall not be taken for the creation of this source. | |
32 | * 3.) This code is not to be traded, sold, or used for personal | |
33 | * gain or profit. | |
34 | * | |
35 | */ | |
36 | ||
b3afadef KB |
37 | #include "rogue.h" |
38 | ||
39 | char *curse_message = "you can't, it appears to be cursed"; | |
40 | ||
41 | extern short levitate; | |
42 | ||
43 | object * | |
44 | add_to_pack(obj, pack, condense) | |
45 | object *obj, *pack; | |
46 | { | |
47 | object *op; | |
48 | ||
49 | if (condense) { | |
50 | if (op = check_duplicate(obj, pack)) { | |
51 | free_object(obj); | |
52 | return(op); | |
53 | } else { | |
54 | obj->ichar = next_avail_ichar(); | |
55 | } | |
56 | } | |
57 | if (pack->next_object == 0) { | |
58 | pack->next_object = obj; | |
59 | } else { | |
60 | op = pack->next_object; | |
61 | ||
62 | while (op->next_object) { | |
63 | op = op->next_object; | |
64 | } | |
65 | op->next_object = obj; | |
66 | } | |
67 | obj->next_object = 0; | |
68 | return(obj); | |
69 | } | |
70 | ||
71 | take_from_pack(obj, pack) | |
72 | object *obj, *pack; | |
73 | { | |
74 | while (pack->next_object != obj) { | |
75 | pack = pack->next_object; | |
76 | } | |
77 | pack->next_object = pack->next_object->next_object; | |
78 | } | |
79 | ||
80 | /* Note: *status is set to 0 if the rogue attempts to pick up a scroll | |
81 | * of scare-monster and it turns to dust. *status is otherwise set to 1. | |
82 | */ | |
83 | ||
84 | object * | |
85 | pick_up(row, col, status) | |
86 | short *status; | |
87 | { | |
88 | object *obj; | |
89 | ||
90 | *status = 1; | |
91 | ||
92 | if (levitate) { | |
93 | message("you're floating in the air!", 0); | |
94 | return((object *) 0); | |
95 | } | |
96 | obj = object_at(&level_objects, row, col); | |
97 | if (!obj) { | |
98 | message("pick_up(): inconsistent", 1); | |
99 | return(obj); | |
100 | } | |
101 | if ( (obj->what_is == SCROL) && | |
102 | (obj->which_kind == SCARE_MONSTER) && | |
103 | obj->picked_up) { | |
104 | message("the scroll turns to dust as you pick it up", 0); | |
105 | dungeon[row][col] &= (~OBJECT); | |
106 | vanish(obj, 0, &level_objects); | |
107 | *status = 0; | |
108 | if (id_scrolls[SCARE_MONSTER].id_status == UNIDENTIFIED) { | |
109 | id_scrolls[SCARE_MONSTER].id_status = IDENTIFIED; | |
110 | } | |
111 | return((object *) 0); | |
112 | } | |
113 | if (obj->what_is == GOLD) { | |
114 | rogue.gold += obj->quantity; | |
115 | dungeon[row][col] &= ~(OBJECT); | |
116 | take_from_pack(obj, &level_objects); | |
117 | print_stats(STAT_GOLD); | |
118 | return(obj); /* obj will be free_object()ed in caller */ | |
119 | } | |
120 | if (pack_count(obj) >= MAX_PACK_COUNT) { | |
121 | message("pack too full", 1); | |
122 | return((object *) 0); | |
123 | } | |
124 | dungeon[row][col] &= ~(OBJECT); | |
125 | take_from_pack(obj, &level_objects); | |
126 | obj = add_to_pack(obj, &rogue.pack, 1); | |
127 | obj->picked_up = 1; | |
128 | return(obj); | |
129 | } | |
130 | ||
131 | drop() | |
132 | { | |
133 | object *obj, *new; | |
134 | short ch; | |
135 | char desc[DCOLS]; | |
136 | ||
137 | if (dungeon[rogue.row][rogue.col] & (OBJECT | STAIRS | TRAP)) { | |
138 | message("there's already something there", 0); | |
139 | return; | |
140 | } | |
141 | if (!rogue.pack.next_object) { | |
142 | message("you have nothing to drop", 0); | |
143 | return; | |
144 | } | |
145 | if ((ch = pack_letter("drop what?", ALL_OBJECTS)) == CANCEL) { | |
146 | return; | |
147 | } | |
148 | if (!(obj = get_letter_object(ch))) { | |
149 | message("no such item.", 0); | |
150 | return; | |
151 | } | |
152 | if (obj->in_use_flags & BEING_WIELDED) { | |
153 | if (obj->is_cursed) { | |
154 | message(curse_message, 0); | |
155 | return; | |
156 | } | |
157 | unwield(rogue.weapon); | |
158 | } else if (obj->in_use_flags & BEING_WORN) { | |
159 | if (obj->is_cursed) { | |
160 | message(curse_message, 0); | |
161 | return; | |
162 | } | |
163 | mv_aquatars(); | |
164 | unwear(rogue.armor); | |
165 | print_stats(STAT_ARMOR); | |
166 | } else if (obj->in_use_flags & ON_EITHER_HAND) { | |
167 | if (obj->is_cursed) { | |
168 | message(curse_message, 0); | |
169 | return; | |
170 | } | |
171 | un_put_on(obj); | |
172 | } | |
173 | obj->row = rogue.row; | |
174 | obj->col = rogue.col; | |
175 | ||
176 | if ((obj->quantity > 1) && (obj->what_is != WEAPON)) { | |
177 | obj->quantity--; | |
178 | new = alloc_object(); | |
179 | *new = *obj; | |
180 | new->quantity = 1; | |
181 | obj = new; | |
182 | } else { | |
183 | obj->ichar = 'L'; | |
184 | take_from_pack(obj, &rogue.pack); | |
185 | } | |
186 | place_at(obj, rogue.row, rogue.col); | |
187 | (void) strcpy(desc, "dropped "); | |
188 | get_desc(obj, desc+8); | |
189 | message(desc, 0); | |
190 | (void) reg_move(); | |
191 | } | |
192 | ||
193 | object * | |
194 | check_duplicate(obj, pack) | |
195 | object *obj, *pack; | |
196 | { | |
197 | object *op; | |
198 | ||
199 | if (!(obj->what_is & (WEAPON | FOOD | SCROL | POTION))) { | |
200 | return(0); | |
201 | } | |
202 | if ((obj->what_is == FOOD) && (obj->which_kind == FRUIT)) { | |
203 | return(0); | |
204 | } | |
205 | op = pack->next_object; | |
206 | ||
207 | while (op) { | |
208 | if ((op->what_is == obj->what_is) && | |
209 | (op->which_kind == obj->which_kind)) { | |
210 | ||
211 | if ((obj->what_is != WEAPON) || | |
212 | ((obj->what_is == WEAPON) && | |
213 | ((obj->which_kind == ARROW) || | |
214 | (obj->which_kind == DAGGER) || | |
215 | (obj->which_kind == DART) || | |
216 | (obj->which_kind == SHURIKEN)) && | |
217 | (obj->quiver == op->quiver))) { | |
218 | op->quantity += obj->quantity; | |
219 | return(op); | |
220 | } | |
221 | } | |
222 | op = op->next_object; | |
223 | } | |
224 | return(0); | |
225 | } | |
226 | ||
227 | next_avail_ichar() | |
228 | { | |
229 | register object *obj; | |
230 | register i; | |
231 | boolean ichars[26]; | |
232 | ||
233 | for (i = 0; i < 26; i++) { | |
234 | ichars[i] = 0; | |
235 | } | |
236 | obj = rogue.pack.next_object; | |
237 | while (obj) { | |
238 | ichars[(obj->ichar - 'a')] = 1; | |
239 | obj = obj->next_object; | |
240 | } | |
241 | for (i = 0; i < 26; i++) { | |
242 | if (!ichars[i]) { | |
243 | return(i + 'a'); | |
244 | } | |
245 | } | |
246 | return('?'); | |
247 | } | |
248 | ||
249 | wait_for_ack() | |
250 | { | |
251 | while (rgetchar() != ' ') ; | |
252 | } | |
253 | ||
254 | pack_letter(prompt, mask) | |
255 | char *prompt; | |
256 | unsigned short mask; | |
257 | { | |
258 | short ch; | |
259 | unsigned short tmask = mask; | |
260 | ||
261 | if (!mask_pack(&rogue.pack, mask)) { | |
262 | message("nothing appropriate", 0); | |
263 | return(CANCEL); | |
264 | } | |
265 | for (;;) { | |
266 | ||
267 | message(prompt, 0); | |
268 | ||
269 | for (;;) { | |
270 | ch = rgetchar(); | |
271 | if (!is_pack_letter(&ch, &mask)) { | |
272 | sound_bell(); | |
273 | } else { | |
274 | break; | |
275 | } | |
276 | } | |
277 | ||
278 | if (ch == LIST) { | |
279 | check_message(); | |
280 | inventory(&rogue.pack, mask); | |
281 | } else { | |
282 | break; | |
283 | } | |
284 | mask = tmask; | |
285 | } | |
286 | check_message(); | |
287 | return(ch); | |
288 | } | |
289 | ||
290 | take_off() | |
291 | { | |
292 | char desc[DCOLS]; | |
293 | object *obj; | |
294 | ||
295 | if (rogue.armor) { | |
296 | if (rogue.armor->is_cursed) { | |
297 | message(curse_message, 0); | |
298 | } else { | |
299 | mv_aquatars(); | |
300 | obj = rogue.armor; | |
301 | unwear(rogue.armor); | |
302 | (void) strcpy(desc, "was wearing "); | |
303 | get_desc(obj, desc+12); | |
304 | message(desc, 0); | |
305 | print_stats(STAT_ARMOR); | |
306 | (void) reg_move(); | |
307 | } | |
308 | } else { | |
309 | message("not wearing any", 0); | |
310 | } | |
311 | } | |
312 | ||
313 | wear() | |
314 | { | |
315 | short ch; | |
316 | register object *obj; | |
317 | char desc[DCOLS]; | |
318 | ||
319 | if (rogue.armor) { | |
320 | message("your already wearing some", 0); | |
321 | return; | |
322 | } | |
323 | ch = pack_letter("wear what?", ARMOR); | |
324 | ||
325 | if (ch == CANCEL) { | |
326 | return; | |
327 | } | |
328 | if (!(obj = get_letter_object(ch))) { | |
329 | message("no such item.", 0); | |
330 | return; | |
331 | } | |
332 | if (obj->what_is != ARMOR) { | |
333 | message("you can't wear that", 0); | |
334 | return; | |
335 | } | |
336 | obj->identified = 1; | |
337 | (void) strcpy(desc, "wearing "); | |
338 | get_desc(obj, desc + 8); | |
339 | message(desc, 0); | |
340 | do_wear(obj); | |
341 | print_stats(STAT_ARMOR); | |
342 | (void) reg_move(); | |
343 | } | |
344 | ||
345 | unwear(obj) | |
346 | object *obj; | |
347 | { | |
348 | if (obj) { | |
349 | obj->in_use_flags &= (~BEING_WORN); | |
350 | } | |
351 | rogue.armor = (object *) 0; | |
352 | } | |
353 | ||
354 | do_wear(obj) | |
355 | object *obj; | |
356 | { | |
357 | rogue.armor = obj; | |
358 | obj->in_use_flags |= BEING_WORN; | |
359 | obj->identified = 1; | |
360 | } | |
361 | ||
362 | wield() | |
363 | { | |
364 | short ch; | |
365 | register object *obj; | |
366 | char desc[DCOLS]; | |
367 | ||
368 | if (rogue.weapon && rogue.weapon->is_cursed) { | |
369 | message(curse_message, 0); | |
370 | return; | |
371 | } | |
372 | ch = pack_letter("wield what?", WEAPON); | |
373 | ||
374 | if (ch == CANCEL) { | |
375 | return; | |
376 | } | |
377 | if (!(obj = get_letter_object(ch))) { | |
378 | message("No such item.", 0); | |
379 | return; | |
380 | } | |
381 | if (obj->what_is & (ARMOR | RING)) { | |
382 | sprintf(desc, "you can't wield %s", | |
383 | ((obj->what_is == ARMOR) ? "armor" : "rings")); | |
384 | message(desc, 0); | |
385 | return; | |
386 | } | |
387 | if (obj->in_use_flags & BEING_WIELDED) { | |
388 | message("in use", 0); | |
389 | } else { | |
390 | unwield(rogue.weapon); | |
391 | (void) strcpy(desc, "wielding "); | |
392 | get_desc(obj, desc + 9); | |
393 | message(desc, 0); | |
394 | do_wield(obj); | |
395 | (void) reg_move(); | |
396 | } | |
397 | } | |
398 | ||
399 | do_wield(obj) | |
400 | object *obj; | |
401 | { | |
402 | rogue.weapon = obj; | |
403 | obj->in_use_flags |= BEING_WIELDED; | |
404 | } | |
405 | ||
406 | unwield(obj) | |
407 | object *obj; | |
408 | { | |
409 | if (obj) { | |
410 | obj->in_use_flags &= (~BEING_WIELDED); | |
411 | } | |
412 | rogue.weapon = (object *) 0; | |
413 | } | |
414 | ||
415 | call_it() | |
416 | { | |
417 | short ch; | |
418 | register object *obj; | |
419 | struct id *id_table; | |
420 | char buf[MAX_TITLE_LENGTH+2]; | |
421 | ||
422 | ch = pack_letter("call what?", (SCROL | POTION | WAND | RING)); | |
423 | ||
424 | if (ch == CANCEL) { | |
425 | return; | |
426 | } | |
427 | if (!(obj = get_letter_object(ch))) { | |
428 | message("no such item.", 0); | |
429 | return; | |
430 | } | |
431 | if (!(obj->what_is & (SCROL | POTION | WAND | RING))) { | |
432 | message("surely you already know what that's called", 0); | |
433 | return; | |
434 | } | |
435 | id_table = get_id_table(obj); | |
436 | ||
437 | if (get_input_line("call it:","",buf,id_table[obj->which_kind].title,1,1)) { | |
438 | id_table[obj->which_kind].id_status = CALLED; | |
439 | (void) strcpy(id_table[obj->which_kind].title, buf); | |
440 | } | |
441 | } | |
442 | ||
443 | pack_count(new_obj) | |
444 | object *new_obj; | |
445 | { | |
446 | object *obj; | |
447 | short count = 0; | |
448 | ||
449 | obj = rogue.pack.next_object; | |
450 | ||
451 | while (obj) { | |
452 | if (obj->what_is != WEAPON) { | |
453 | count += obj->quantity; | |
454 | } else if (!new_obj) { | |
455 | count++; | |
456 | } else if ((new_obj->what_is != WEAPON) || | |
457 | ((obj->which_kind != ARROW) && | |
458 | (obj->which_kind != DAGGER) && | |
459 | (obj->which_kind != DART) && | |
460 | (obj->which_kind != SHURIKEN)) || | |
461 | (new_obj->which_kind != obj->which_kind) || | |
462 | (obj->quiver != new_obj->quiver)) { | |
463 | count++; | |
464 | } | |
465 | obj = obj->next_object; | |
466 | } | |
467 | return(count); | |
468 | } | |
469 | ||
470 | boolean | |
471 | mask_pack(pack, mask) | |
472 | object *pack; | |
473 | unsigned short mask; | |
474 | { | |
475 | while (pack->next_object) { | |
476 | pack = pack->next_object; | |
477 | if (pack->what_is & mask) { | |
478 | return(1); | |
479 | } | |
480 | } | |
481 | return(0); | |
482 | } | |
483 | ||
484 | is_pack_letter(c, mask) | |
485 | short *c; | |
486 | unsigned short *mask; | |
487 | { | |
488 | if (((*c == '?') || (*c == '!') || (*c == ':') || (*c == '=') || | |
489 | (*c == ')') || (*c == ']') || (*c == '/') || (*c == ','))) { | |
490 | switch(*c) { | |
491 | case '?': | |
492 | *mask = SCROL; | |
493 | break; | |
494 | case '!': | |
495 | *mask = POTION; | |
496 | break; | |
497 | case ':': | |
498 | *mask = FOOD; | |
499 | break; | |
500 | case ')': | |
501 | *mask = WEAPON; | |
502 | break; | |
503 | case ']': | |
504 | *mask = ARMOR; | |
505 | break; | |
506 | case '/': | |
507 | *mask = WAND; | |
508 | break; | |
509 | case '=': | |
510 | *mask = RING; | |
511 | break; | |
512 | case ',': | |
513 | *mask = AMULET; | |
514 | break; | |
515 | } | |
516 | *c = LIST; | |
517 | return(1); | |
518 | } | |
519 | return(((*c >= 'a') && (*c <= 'z')) || (*c == CANCEL) || (*c == LIST)); | |
520 | } | |
521 | ||
522 | has_amulet() | |
523 | { | |
524 | return(mask_pack(&rogue.pack, AMULET)); | |
525 | } | |
526 | ||
527 | kick_into_pack() | |
528 | { | |
529 | object *obj; | |
530 | char desc[DCOLS]; | |
531 | short n, stat; | |
532 | ||
533 | if (!(dungeon[rogue.row][rogue.col] & OBJECT)) { | |
534 | message("nothing here", 0); | |
535 | } else { | |
536 | if (obj = pick_up(rogue.row, rogue.col, &stat)) { | |
537 | get_desc(obj, desc); | |
538 | if (obj->what_is == GOLD) { | |
539 | message(desc, 0); | |
540 | free_object(obj); | |
541 | } else { | |
542 | n = strlen(desc); | |
543 | desc[n] = '('; | |
544 | desc[n+1] = obj->ichar; | |
545 | desc[n+2] = ')'; | |
546 | desc[n+3] = 0; | |
547 | message(desc, 0); | |
548 | } | |
549 | } | |
550 | if (obj || (!stat)) { | |
551 | (void) reg_move(); | |
552 | } | |
553 | } | |
554 | } |