2 * Copyright (c) 1988, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
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
39 static char sccsid[] = "@(#)use.c 8.1 (Berkeley) 5/31/93";
41 static const char rcsid[] =
48 * This source herein may be modified and/or distributed by anybody who
49 * so desires, with the following restrictions:
50 * 1.) No portion of this notice shall be removed.
51 * 2.) Credit shall not be taken for the creation of this source.
52 * 3.) This code is not to be traded, sold, or used for personal
64 boolean see_invisible = 0;
66 boolean detect_monster = 0;
68 const char *strange_feeling = "you have a strange feeling for a moment, then it passes";
70 extern short bear_trap;
71 extern char hunger_str[];
72 extern short cur_room;
73 extern long level_points[];
74 extern boolean being_held;
75 extern char *fruit, *you_can_move_again;
76 extern boolean sustain_strength;
84 ch = pack_letter("quaff what?", POTION);
89 if (!(obj = get_letter_object(ch))) {
90 message("no such item.", 0);
93 if (obj->what_is != POTION) {
94 message("you can't drink that", 0);
97 switch(obj->which_kind) {
98 case INCREASE_STRENGTH:
99 message("you feel stronger now, what bulging muscles!",
102 if (rogue.str_current > rogue.str_max) {
103 rogue.str_max = rogue.str_current;
106 case RESTORE_STRENGTH:
107 rogue.str_current = rogue.str_max;
108 message("this tastes great, you feel warm all over", 0);
111 message("you begin to feel better", 0);
115 message("you begin to feel much better", 0);
119 if (!sustain_strength) {
120 rogue.str_current -= get_rand(1, 3);
121 if (rogue.str_current < 1) {
122 rogue.str_current = 1;
125 message("you feel very sick now", 0);
131 rogue.exp_points = level_points[rogue.exp - 1];
132 message("you suddenly feel much more skillful", 0);
139 message("oh wow, everything seems so cosmic", 0);
140 halluc += get_rand(500, 800);
144 if (!(level_monsters.next_monster)) {
145 message(strange_feeling, 0);
149 if (level_objects.next_object) {
154 message(strange_feeling, 0);
158 message((halluc ? "what a trippy feeling" :
159 "you feel confused"), 0);
163 message("you start to float in the air", 0);
164 levitate += get_rand(15, 30);
165 being_held = bear_trap = 0;
168 message("you feel yourself moving much faster", 0);
169 haste_self += get_rand(11, 21);
170 if (!(haste_self % 2)) {
175 sprintf(buf, "hmm, this potion tastes like %sjuice", fruit);
184 print_stats((STAT_STRENGTH | STAT_HP));
185 if (id_potions[obj->which_kind].id_status != CALLED) {
186 id_potions[obj->which_kind].id_status = IDENTIFIED;
188 vanish(obj, 1, &rogue.pack);
197 ch = pack_letter("read what?", SCROL);
202 if (!(obj = get_letter_object(ch))) {
203 message("no such item.", 0);
206 if (obj->what_is != SCROL) {
207 message("you can't read that", 0);
210 switch(obj->which_kind) {
212 message("you hear a maniacal laughter in the distance",
220 if (rogue.weapon->what_is == WEAPON) {
221 sprintf(msg, "your %sglow%s %sfor a moment",
222 name_of(rogue.weapon),
223 ((rogue.weapon->quantity <= 1) ? "s" : ""),
227 rogue.weapon->hit_enchant++;
229 rogue.weapon->d_enchant++;
232 rogue.weapon->is_cursed = 0;
234 message("your hands tingle", 0);
239 sprintf(msg, "your armor glows %sfor a moment",
242 rogue.armor->d_enchant++;
243 rogue.armor->is_cursed = 0;
244 print_stats(STAT_ARMOR);
246 message("your skin crawls", 0);
250 message("this is a scroll of identify", 0);
252 id_scrolls[obj->which_kind].id_status = IDENTIFIED;
259 message("you fall asleep", 0);
264 message( "your armor is covered by a shimmering gold shield",0);
265 rogue.armor->is_protected = 1;
266 rogue.armor->is_cursed = 0;
268 message("your acne seems to have disappeared", 0);
273 "you feel as though someone is watching over you" :
274 "you feel in touch with the universal oneness", 0);
280 case AGGRAVATE_MONSTER:
284 message("this scroll seems to have a map on it", 0);
289 sprintf(msg, "your hands glow %sfor a moment", get_ench_color());
293 if (id_scrolls[obj->which_kind].id_status != CALLED) {
294 id_scrolls[obj->which_kind].id_status = IDENTIFIED;
296 vanish(obj, (obj->which_kind != SLEEP), &rogue.pack);
299 /* vanish() does NOT handle a quiver of weapons with more than one
300 * arrow (or whatever) in the quiver. It will only decrement the count.
303 vanish(obj, rm, pack)
308 if (obj->quantity > 1) {
311 if (obj->in_use_flags & BEING_WIELDED) {
313 } else if (obj->in_use_flags & BEING_WORN) {
315 } else if (obj->in_use_flags & ON_EITHER_HAND) {
318 take_from_pack(obj, pack);
331 rogue.hp_current += rogue.exp;
333 ratio = ((float)rogue.hp_current) / rogue.hp_max;
336 rogue.hp_max += (extra ? 2 : 1);
337 extra_hp += (extra ? 2 : 1);
338 rogue.hp_current = rogue.hp_max;
339 } else if (ratio >= 0.90) {
340 rogue.hp_max += (extra ? 1 : 0);
341 extra_hp += (extra ? 1 : 0);
342 rogue.hp_current = rogue.hp_max;
350 add = (short)(ratio * ((float)rogue.hp_max - rogue.hp_current));
351 rogue.hp_current += add;
352 if (rogue.hp_current > rogue.hp_max) {
353 rogue.hp_current = rogue.hp_max;
359 if (confused && extra) {
361 } else if (confused) {
362 confused = (confused / 2) + 1;
364 if (halluc && extra) {
367 halluc = (halluc / 2) + 1;
378 ch = pack_letter("what would you like to identify?", ALL_OBJECTS);
383 if (!(obj = get_letter_object(ch))) {
384 message("no such item, try again", 0);
390 if (obj->what_is & (SCROL | POTION | WEAPON | ARMOR | WAND | RING)) {
391 id_table = get_id_table(obj);
392 id_table[obj->which_kind].id_status = IDENTIFIED;
405 ch = pack_letter("eat what?", FOOD);
410 if (!(obj = get_letter_object(ch))) {
411 message("no such item.", 0);
414 if (obj->what_is != FOOD) {
415 message("you can't eat that", 0);
418 if ((obj->which_kind == FRUIT) || rand_percent(60)) {
419 moves = get_rand(950, 1150);
420 if (obj->which_kind == RATION) {
421 message("yum, that tasted good", 0);
423 sprintf(buf, "my, that was a yummy %s", fruit);
427 moves = get_rand(750, 950);
428 message("yuk, that food tasted awful", 0);
431 rogue.moves_left /= 3;
432 rogue.moves_left += moves;
434 print_stats(STAT_HUNGER);
436 vanish(obj, 1, &rogue.pack);
446 for (i = -2; i <= 2; i++) {
447 for (j = -2; j <= 2; j++) {
450 if ((row < MIN_ROW) || (row > (DROWS-2)) || (col < 0) ||
454 if (dungeon[row][col] & MONSTER) {
455 monster = object_at(&level_monsters, row, col);
456 monster->m_flags |= ASLEEP;
457 monster->m_flags &= (~WAKENS);
463 message("you feel a strange sense of loss", 0);
464 } else if (mcount == 1) {
465 message("the monster freezes", 0);
467 message("the monsters around you freeze", 0);
473 mvaddch(rogue.row, rogue.col, get_dungeon_char(rogue.row, rogue.col));
476 darken_room(cur_room);
478 put_player(get_room_number(rogue.row, rogue.col));
485 object *obj, *monster;
490 obj = level_objects.next_object;
493 ch = mvinch(obj->row, obj->col);
494 if (((ch < 'A') || (ch > 'Z')) &&
495 ((obj->row != rogue.row) || (obj->col != rogue.col)))
496 if ((ch != ' ') && (ch != '.') && (ch != '#') && (ch != '+')) {
497 addch(gr_obj_char());
499 obj = obj->next_object;
501 monster = level_monsters.next_monster;
504 ch = mvinch(monster->row, monster->col);
505 if ((ch >= 'A') && (ch <= 'Z')) {
506 addch(get_rand('A', 'Z'));
508 monster = monster->next_monster;
516 message("everything looks SO boring now", 1);
522 message("the veil of darkness lifts", 1);
527 if (detect_monster) {
534 if (cur_room == PASSAGE) {
535 light_passage(rogue.row, rogue.col);
537 light_up_room(cur_room);
539 mvaddch(rogue.row, rogue.col, rogue.fchar);
553 message(you_can_move_again, 0);
561 message("a cloak of darkness falls around you", 0);
563 blind += get_rand(500, 800);
565 if (detect_monster) {
568 monster = level_monsters.next_monster;
571 mvaddch(monster->row, monster->col, monster->trail_char);
572 monster = monster->next_monster;
576 for (i = rooms[cur_room].top_row + 1;
577 i < rooms[cur_room].bottom_row; i++) {
578 for (j = rooms[cur_room].left_col + 1;
579 j < rooms[cur_room].right_col; j++) {
584 mvaddch(rogue.row, rogue.col, rogue.fchar);
591 return(id_potions[get_rand(0, POTIONS-1)].title);
592 } else if (con_mon) {
600 confused += get_rand(12, 22);
608 sprintf(msg, "you feel less %s now", (halluc ? "trippy" : "confused"));
616 obj = rogue.pack.next_object;
620 obj = obj->next_object;