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15637ed4 RG |
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[] = "@(#)use.c 5.3 (Berkeley) 6/1/90"; | |
39 | #endif /* not lint */ | |
40 | ||
41 | /* | |
42 | * use.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 | short halluc = 0; | |
56 | short blind = 0; | |
57 | short confused = 0; | |
58 | short levitate = 0; | |
59 | short haste_self = 0; | |
60 | boolean see_invisible = 0; | |
61 | short extra_hp = 0; | |
62 | boolean detect_monster = 0; | |
63 | boolean con_mon = 0; | |
64 | char *strange_feeling = "you have a strange feeling for a moment, then it passes"; | |
65 | ||
66 | extern short bear_trap; | |
67 | extern char hunger_str[]; | |
68 | extern short cur_room; | |
69 | extern long level_points[]; | |
70 | extern boolean being_held; | |
71 | extern char *fruit, *you_can_move_again; | |
72 | extern boolean sustain_strength; | |
73 | ||
74 | quaff() | |
75 | { | |
76 | short ch; | |
77 | char buf[80]; | |
78 | object *obj; | |
79 | ||
80 | ch = pack_letter("quaff what?", POTION); | |
81 | ||
82 | if (ch == CANCEL) { | |
83 | return; | |
84 | } | |
85 | if (!(obj = get_letter_object(ch))) { | |
86 | message("no such item.", 0); | |
87 | return; | |
88 | } | |
89 | if (obj->what_is != POTION) { | |
90 | message("you can't drink that", 0); | |
91 | return; | |
92 | } | |
93 | switch(obj->which_kind) { | |
94 | case INCREASE_STRENGTH: | |
95 | message("you feel stronger now, what bulging muscles!", | |
96 | 0); | |
97 | rogue.str_current++; | |
98 | if (rogue.str_current > rogue.str_max) { | |
99 | rogue.str_max = rogue.str_current; | |
100 | } | |
101 | break; | |
102 | case RESTORE_STRENGTH: | |
103 | rogue.str_current = rogue.str_max; | |
104 | message("this tastes great, you feel warm all over", 0); | |
105 | break; | |
106 | case HEALING: | |
107 | message("you begin to feel better", 0); | |
108 | potion_heal(0); | |
109 | break; | |
110 | case EXTRA_HEALING: | |
111 | message("you begin to feel much better", 0); | |
112 | potion_heal(1); | |
113 | break; | |
114 | case POISON: | |
115 | if (!sustain_strength) { | |
116 | rogue.str_current -= get_rand(1, 3); | |
117 | if (rogue.str_current < 1) { | |
118 | rogue.str_current = 1; | |
119 | } | |
120 | } | |
121 | message("you feel very sick now", 0); | |
122 | if (halluc) { | |
123 | unhallucinate(); | |
124 | } | |
125 | break; | |
126 | case RAISE_LEVEL: | |
127 | rogue.exp_points = level_points[rogue.exp - 1]; | |
128 | message("you suddenly feel much more skillful", 0); | |
129 | add_exp(1, 1); | |
130 | break; | |
131 | case BLINDNESS: | |
132 | go_blind(); | |
133 | break; | |
134 | case HALLUCINATION: | |
135 | message("oh wow, everything seems so cosmic", 0); | |
136 | halluc += get_rand(500, 800); | |
137 | break; | |
138 | case DETECT_MONSTER: | |
139 | show_monsters(); | |
140 | if (!(level_monsters.next_monster)) { | |
141 | message(strange_feeling, 0); | |
142 | } | |
143 | break; | |
144 | case DETECT_OBJECTS: | |
145 | if (level_objects.next_object) { | |
146 | if (!blind) { | |
147 | show_objects(); | |
148 | } | |
149 | } else { | |
150 | message(strange_feeling, 0); | |
151 | } | |
152 | break; | |
153 | case CONFUSION: | |
154 | message((halluc ? "what a trippy feeling" : | |
155 | "you feel confused"), 0); | |
156 | cnfs(); | |
157 | break; | |
158 | case LEVITATION: | |
159 | message("you start to float in the air", 0); | |
160 | levitate += get_rand(15, 30); | |
161 | being_held = bear_trap = 0; | |
162 | break; | |
163 | case HASTE_SELF: | |
164 | message("you feel yourself moving much faster", 0); | |
165 | haste_self += get_rand(11, 21); | |
166 | if (!(haste_self % 2)) { | |
167 | haste_self++; | |
168 | } | |
169 | break; | |
170 | case SEE_INVISIBLE: | |
171 | sprintf(buf, "hmm, this potion tastes like %sjuice", fruit); | |
172 | message(buf, 0); | |
173 | if (blind) { | |
174 | unblind(); | |
175 | } | |
176 | see_invisible = 1; | |
177 | relight(); | |
178 | break; | |
179 | } | |
180 | print_stats((STAT_STRENGTH | STAT_HP)); | |
181 | if (id_potions[obj->which_kind].id_status != CALLED) { | |
182 | id_potions[obj->which_kind].id_status = IDENTIFIED; | |
183 | } | |
184 | vanish(obj, 1, &rogue.pack); | |
185 | } | |
186 | ||
187 | read_scroll() | |
188 | { | |
189 | short ch; | |
190 | object *obj; | |
191 | char msg[DCOLS]; | |
192 | ||
193 | ch = pack_letter("read what?", SCROL); | |
194 | ||
195 | if (ch == CANCEL) { | |
196 | return; | |
197 | } | |
198 | if (!(obj = get_letter_object(ch))) { | |
199 | message("no such item.", 0); | |
200 | return; | |
201 | } | |
202 | if (obj->what_is != SCROL) { | |
203 | message("you can't read that", 0); | |
204 | return; | |
205 | } | |
206 | switch(obj->which_kind) { | |
207 | case SCARE_MONSTER: | |
208 | message("you hear a maniacal laughter in the distance", | |
209 | 0); | |
210 | break; | |
211 | case HOLD_MONSTER: | |
212 | hold_monster(); | |
213 | break; | |
214 | case ENCH_WEAPON: | |
215 | if (rogue.weapon) { | |
216 | if (rogue.weapon->what_is == WEAPON) { | |
217 | sprintf(msg, "your %sglow%s %sfor a moment", | |
218 | name_of(rogue.weapon), | |
219 | ((rogue.weapon->quantity <= 1) ? "s" : ""), | |
220 | get_ench_color()); | |
221 | message(msg, 0); | |
222 | if (coin_toss()) { | |
223 | rogue.weapon->hit_enchant++; | |
224 | } else { | |
225 | rogue.weapon->d_enchant++; | |
226 | } | |
227 | } | |
228 | rogue.weapon->is_cursed = 0; | |
229 | } else { | |
230 | message("your hands tingle", 0); | |
231 | } | |
232 | break; | |
233 | case ENCH_ARMOR: | |
234 | if (rogue.armor) { | |
235 | sprintf(msg, "your armor glows %sfor a moment", | |
236 | get_ench_color()); | |
237 | message(msg, 0); | |
238 | rogue.armor->d_enchant++; | |
239 | rogue.armor->is_cursed = 0; | |
240 | print_stats(STAT_ARMOR); | |
241 | } else { | |
242 | message("your skin crawls", 0); | |
243 | } | |
244 | break; | |
245 | case IDENTIFY: | |
246 | message("this is a scroll of identify", 0); | |
247 | obj->identified = 1; | |
248 | id_scrolls[obj->which_kind].id_status = IDENTIFIED; | |
249 | idntfy(); | |
250 | break; | |
251 | case TELEPORT: | |
252 | tele(); | |
253 | break; | |
254 | case SLEEP: | |
255 | message("you fall asleep", 0); | |
256 | take_a_nap(); | |
257 | break; | |
258 | case PROTECT_ARMOR: | |
259 | if (rogue.armor) { | |
260 | message( "your armor is covered by a shimmering gold shield",0); | |
261 | rogue.armor->is_protected = 1; | |
262 | rogue.armor->is_cursed = 0; | |
263 | } else { | |
264 | message("your acne seems to have disappeared", 0); | |
265 | } | |
266 | break; | |
267 | case REMOVE_CURSE: | |
268 | message((!halluc) ? | |
269 | "you feel as though someone is watching over you" : | |
270 | "you feel in touch with the universal oneness", 0); | |
271 | uncurse_all(); | |
272 | break; | |
273 | case CREATE_MONSTER: | |
274 | create_monster(); | |
275 | break; | |
276 | case AGGRAVATE_MONSTER: | |
277 | aggravate(); | |
278 | break; | |
279 | case MAGIC_MAPPING: | |
280 | message("this scroll seems to have a map on it", 0); | |
281 | draw_magic_map(); | |
282 | break; | |
283 | case CON_MON: | |
284 | con_mon = 1; | |
285 | sprintf(msg, "your hands glow %sfor a moment", get_ench_color()); | |
286 | message(msg, 0); | |
287 | break; | |
288 | } | |
289 | if (id_scrolls[obj->which_kind].id_status != CALLED) { | |
290 | id_scrolls[obj->which_kind].id_status = IDENTIFIED; | |
291 | } | |
292 | vanish(obj, (obj->which_kind != SLEEP), &rogue.pack); | |
293 | } | |
294 | ||
295 | /* vanish() does NOT handle a quiver of weapons with more than one | |
296 | * arrow (or whatever) in the quiver. It will only decrement the count. | |
297 | */ | |
298 | ||
299 | vanish(obj, rm, pack) | |
300 | object *obj; | |
301 | short rm; | |
302 | object *pack; | |
303 | { | |
304 | if (obj->quantity > 1) { | |
305 | obj->quantity--; | |
306 | } else { | |
307 | if (obj->in_use_flags & BEING_WIELDED) { | |
308 | unwield(obj); | |
309 | } else if (obj->in_use_flags & BEING_WORN) { | |
310 | unwear(obj); | |
311 | } else if (obj->in_use_flags & ON_EITHER_HAND) { | |
312 | un_put_on(obj); | |
313 | } | |
314 | take_from_pack(obj, pack); | |
315 | free_object(obj); | |
316 | } | |
317 | if (rm) { | |
318 | (void) reg_move(); | |
319 | } | |
320 | } | |
321 | ||
322 | potion_heal(extra) | |
323 | { | |
324 | float ratio; | |
325 | short add; | |
326 | ||
327 | rogue.hp_current += rogue.exp; | |
328 | ||
329 | ratio = ((float)rogue.hp_current) / rogue.hp_max; | |
330 | ||
331 | if (ratio >= 1.00) { | |
332 | rogue.hp_max += (extra ? 2 : 1); | |
333 | extra_hp += (extra ? 2 : 1); | |
334 | rogue.hp_current = rogue.hp_max; | |
335 | } else if (ratio >= 0.90) { | |
336 | rogue.hp_max += (extra ? 1 : 0); | |
337 | extra_hp += (extra ? 1 : 0); | |
338 | rogue.hp_current = rogue.hp_max; | |
339 | } else { | |
340 | if (ratio < 0.33) { | |
341 | ratio = 0.33; | |
342 | } | |
343 | if (extra) { | |
344 | ratio += ratio; | |
345 | } | |
346 | add = (short)(ratio * ((float)rogue.hp_max - rogue.hp_current)); | |
347 | rogue.hp_current += add; | |
348 | if (rogue.hp_current > rogue.hp_max) { | |
349 | rogue.hp_current = rogue.hp_max; | |
350 | } | |
351 | } | |
352 | if (blind) { | |
353 | unblind(); | |
354 | } | |
355 | if (confused && extra) { | |
356 | unconfuse(); | |
357 | } else if (confused) { | |
358 | confused = (confused / 2) + 1; | |
359 | } | |
360 | if (halluc && extra) { | |
361 | unhallucinate(); | |
362 | } else if (halluc) { | |
363 | halluc = (halluc / 2) + 1; | |
364 | } | |
365 | } | |
366 | ||
367 | idntfy() | |
368 | { | |
369 | short ch; | |
370 | object *obj; | |
371 | struct id *id_table; | |
372 | char desc[DCOLS]; | |
373 | AGAIN: | |
374 | ch = pack_letter("what would you like to identify?", ALL_OBJECTS); | |
375 | ||
376 | if (ch == CANCEL) { | |
377 | return; | |
378 | } | |
379 | if (!(obj = get_letter_object(ch))) { | |
380 | message("no such item, try again", 0); | |
381 | message("", 0); | |
382 | check_message(); | |
383 | goto AGAIN; | |
384 | } | |
385 | obj->identified = 1; | |
386 | if (obj->what_is & (SCROL | POTION | WEAPON | ARMOR | WAND | RING)) { | |
387 | id_table = get_id_table(obj); | |
388 | id_table[obj->which_kind].id_status = IDENTIFIED; | |
389 | } | |
390 | get_desc(obj, desc); | |
391 | message(desc, 0); | |
392 | } | |
393 | ||
394 | eat() | |
395 | { | |
396 | short ch; | |
397 | short moves; | |
398 | object *obj; | |
399 | char buf[70]; | |
400 | ||
401 | ch = pack_letter("eat what?", FOOD); | |
402 | ||
403 | if (ch == CANCEL) { | |
404 | return; | |
405 | } | |
406 | if (!(obj = get_letter_object(ch))) { | |
407 | message("no such item.", 0); | |
408 | return; | |
409 | } | |
410 | if (obj->what_is != FOOD) { | |
411 | message("you can't eat that", 0); | |
412 | return; | |
413 | } | |
414 | if ((obj->which_kind == FRUIT) || rand_percent(60)) { | |
415 | moves = get_rand(950, 1150); | |
416 | if (obj->which_kind == RATION) { | |
417 | message("yum, that tasted good", 0); | |
418 | } else { | |
419 | sprintf(buf, "my, that was a yummy %s", fruit); | |
420 | message(buf, 0); | |
421 | } | |
422 | } else { | |
423 | moves = get_rand(750, 950); | |
424 | message("yuk, that food tasted awful", 0); | |
425 | add_exp(2, 1); | |
426 | } | |
427 | rogue.moves_left /= 3; | |
428 | rogue.moves_left += moves; | |
429 | hunger_str[0] = 0; | |
430 | print_stats(STAT_HUNGER); | |
431 | ||
432 | vanish(obj, 1, &rogue.pack); | |
433 | } | |
434 | ||
435 | hold_monster() | |
436 | { | |
437 | short i, j; | |
438 | short mcount = 0; | |
439 | object *monster; | |
440 | short row, col; | |
441 | ||
442 | for (i = -2; i <= 2; i++) { | |
443 | for (j = -2; j <= 2; j++) { | |
444 | row = rogue.row + i; | |
445 | col = rogue.col + j; | |
446 | if ((row < MIN_ROW) || (row > (DROWS-2)) || (col < 0) || | |
447 | (col > (DCOLS-1))) { | |
448 | continue; | |
449 | } | |
450 | if (dungeon[row][col] & MONSTER) { | |
451 | monster = object_at(&level_monsters, row, col); | |
452 | monster->m_flags |= ASLEEP; | |
453 | monster->m_flags &= (~WAKENS); | |
454 | mcount++; | |
455 | } | |
456 | } | |
457 | } | |
458 | if (mcount == 0) { | |
459 | message("you feel a strange sense of loss", 0); | |
460 | } else if (mcount == 1) { | |
461 | message("the monster freezes", 0); | |
462 | } else { | |
463 | message("the monsters around you freeze", 0); | |
464 | } | |
465 | } | |
466 | ||
467 | tele() | |
468 | { | |
469 | mvaddch(rogue.row, rogue.col, get_dungeon_char(rogue.row, rogue.col)); | |
470 | ||
471 | if (cur_room >= 0) { | |
472 | darken_room(cur_room); | |
473 | } | |
474 | put_player(get_room_number(rogue.row, rogue.col)); | |
475 | being_held = 0; | |
476 | bear_trap = 0; | |
477 | } | |
478 | ||
479 | hallucinate() | |
480 | { | |
481 | object *obj, *monster; | |
482 | short ch; | |
483 | ||
484 | if (blind) return; | |
485 | ||
486 | obj = level_objects.next_object; | |
487 | ||
488 | while (obj) { | |
489 | ch = mvinch(obj->row, obj->col); | |
490 | if (((ch < 'A') || (ch > 'Z')) && | |
491 | ((obj->row != rogue.row) || (obj->col != rogue.col))) | |
492 | if ((ch != ' ') && (ch != '.') && (ch != '#') && (ch != '+')) { | |
493 | addch(gr_obj_char()); | |
494 | } | |
495 | obj = obj->next_object; | |
496 | } | |
497 | monster = level_monsters.next_monster; | |
498 | ||
499 | while (monster) { | |
500 | ch = mvinch(monster->row, monster->col); | |
501 | if ((ch >= 'A') && (ch <= 'Z')) { | |
502 | addch(get_rand('A', 'Z')); | |
503 | } | |
504 | monster = monster->next_monster; | |
505 | } | |
506 | } | |
507 | ||
508 | unhallucinate() | |
509 | { | |
510 | halluc = 0; | |
511 | relight(); | |
512 | message("everything looks SO boring now", 1); | |
513 | } | |
514 | ||
515 | unblind() | |
516 | { | |
517 | blind = 0; | |
518 | message("the veil of darkness lifts", 1); | |
519 | relight(); | |
520 | if (halluc) { | |
521 | hallucinate(); | |
522 | } | |
523 | if (detect_monster) { | |
524 | show_monsters(); | |
525 | } | |
526 | } | |
527 | ||
528 | relight() | |
529 | { | |
530 | if (cur_room == PASSAGE) { | |
531 | light_passage(rogue.row, rogue.col); | |
532 | } else { | |
533 | light_up_room(cur_room); | |
534 | } | |
535 | mvaddch(rogue.row, rogue.col, rogue.fchar); | |
536 | } | |
537 | ||
538 | take_a_nap() | |
539 | { | |
540 | short i; | |
541 | ||
542 | i = get_rand(2, 5); | |
543 | md_sleep(1); | |
544 | ||
545 | while (i--) { | |
546 | mv_mons(); | |
547 | } | |
548 | md_sleep(1); | |
549 | message(you_can_move_again, 0); | |
550 | } | |
551 | ||
552 | go_blind() | |
553 | { | |
554 | short i, j; | |
555 | ||
556 | if (!blind) { | |
557 | message("a cloak of darkness falls around you", 0); | |
558 | } | |
559 | blind += get_rand(500, 800); | |
560 | ||
561 | if (detect_monster) { | |
562 | object *monster; | |
563 | ||
564 | monster = level_monsters.next_monster; | |
565 | ||
566 | while (monster) { | |
567 | mvaddch(monster->row, monster->col, monster->trail_char); | |
568 | monster = monster->next_monster; | |
569 | } | |
570 | } | |
571 | if (cur_room >= 0) { | |
572 | for (i = rooms[cur_room].top_row + 1; | |
573 | i < rooms[cur_room].bottom_row; i++) { | |
574 | for (j = rooms[cur_room].left_col + 1; | |
575 | j < rooms[cur_room].right_col; j++) { | |
576 | mvaddch(i, j, ' '); | |
577 | } | |
578 | } | |
579 | } | |
580 | mvaddch(rogue.row, rogue.col, rogue.fchar); | |
581 | } | |
582 | ||
583 | char * | |
584 | get_ench_color() | |
585 | { | |
586 | if (halluc) { | |
587 | return(id_potions[get_rand(0, POTIONS-1)].title); | |
588 | } else if (con_mon) { | |
589 | return("red "); | |
590 | } | |
591 | return("blue "); | |
592 | } | |
593 | ||
594 | cnfs() | |
595 | { | |
596 | confused += get_rand(12, 22); | |
597 | } | |
598 | ||
599 | unconfuse() | |
600 | { | |
601 | char msg[80]; | |
602 | ||
603 | confused = 0; | |
604 | sprintf(msg, "you feel less %s now", (halluc ? "trippy" : "confused")); | |
605 | message(msg, 1); | |
606 | } | |
607 | ||
608 | uncurse_all() | |
609 | { | |
610 | object *obj; | |
611 | ||
612 | obj = rogue.pack.next_object; | |
613 | ||
614 | while (obj) { | |
615 | obj->is_cursed = 0; | |
616 | obj = obj->next_object; | |
617 | } | |
618 | } |