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. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
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
32 * @(#)use.c 8.1 (Berkeley) 5/31/93
33 * $FreeBSD: src/games/rogue/use.c,v 1.4 1999/11/30 03:49:29 billf Exp $
34 * $DragonFly: src/games/rogue/use.c,v 1.4 2006/09/02 19:31:07 pavalos Exp $
40 * This source herein may be modified and/or distributed by anybody who
41 * so desires, with the following restrictions:
42 * 1.) No portion of this notice shall be removed.
43 * 2.) Credit shall not be taken for the creation of this source.
44 * 3.) This code is not to be traded, sold, or used for personal
56 boolean see_invisible = 0;
58 boolean detect_monster = 0;
60 const char *strange_feeling = "you have a strange feeling for a moment, then it passes";
62 extern short bear_trap;
63 extern short cur_room;
64 extern long level_points[];
65 extern boolean being_held;
66 extern char *fruit, *you_can_move_again;
67 extern boolean sustain_strength;
69 static const char *get_ench_color(void);
70 static void go_blind(void);
71 static void hold_monster(void);
72 static void idntfy(void);
73 static void potion_heal(boolean);
74 static void uncurse_all(void);
83 ch = pack_letter("quaff what?", POTION);
88 if (!(obj = get_letter_object(ch))) {
89 message("no such item.", 0);
92 if (obj->what_is != POTION) {
93 message("you can't drink that", 0);
96 switch(obj->which_kind) {
97 case INCREASE_STRENGTH:
98 message("you feel stronger now, what bulging muscles!",
101 if (rogue.str_current > rogue.str_max) {
102 rogue.str_max = rogue.str_current;
105 case RESTORE_STRENGTH:
106 rogue.str_current = rogue.str_max;
107 message("this tastes great, you feel warm all over", 0);
110 message("you begin to feel better", 0);
114 message("you begin to feel much better", 0);
118 if (!sustain_strength) {
119 rogue.str_current -= get_rand(1, 3);
120 if (rogue.str_current < 1) {
121 rogue.str_current = 1;
124 message("you feel very sick now", 0);
130 rogue.exp_points = level_points[rogue.exp - 1];
131 message("you suddenly feel much more skillful", 0);
138 message("oh wow, everything seems so cosmic", 0);
139 halluc += get_rand(500, 800);
143 if (!(level_monsters.next_monster)) {
144 message(strange_feeling, 0);
148 if (level_objects.next_object) {
153 message(strange_feeling, 0);
157 message((halluc ? "what a trippy feeling" :
158 "you feel confused"), 0);
162 message("you start to float in the air", 0);
163 levitate += get_rand(15, 30);
164 bear_trap = being_held = 0;
167 message("you feel yourself moving much faster", 0);
168 haste_self += get_rand(11, 21);
169 if (!(haste_self % 2)) {
174 sprintf(buf, "hmm, this potion tastes like %sjuice", fruit);
183 print_stats((STAT_STRENGTH | STAT_HP));
184 if (id_potions[obj->which_kind].id_status != CALLED) {
185 id_potions[obj->which_kind].id_status = IDENTIFIED;
187 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.
304 vanish(object *obj, short rm, object *pack)
306 if (obj->quantity > 1) {
309 if (obj->in_use_flags & BEING_WIELDED) {
311 } else if (obj->in_use_flags & BEING_WORN) {
313 } else if (obj->in_use_flags & ON_EITHER_HAND) {
316 take_from_pack(obj, pack);
325 potion_heal(boolean extra)
330 rogue.hp_current += rogue.exp;
332 ratio = ((float)rogue.hp_current) / rogue.hp_max;
335 rogue.hp_max += (extra ? 2 : 1);
336 extra_hp += (extra ? 2 : 1);
337 rogue.hp_current = rogue.hp_max;
338 } else if (ratio >= 0.90) {
339 rogue.hp_max += (extra ? 1 : 0);
340 extra_hp += (extra ? 1 : 0);
341 rogue.hp_current = rogue.hp_max;
349 add = (short)(ratio * ((float)rogue.hp_max - rogue.hp_current));
350 rogue.hp_current += add;
351 if (rogue.hp_current > rogue.hp_max) {
352 rogue.hp_current = rogue.hp_max;
358 if (confused && extra) {
360 } else if (confused) {
361 confused = (confused / 2) + 1;
363 if (halluc && extra) {
366 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;
406 ch = pack_letter("eat what?", FOOD);
411 if (!(obj = get_letter_object(ch))) {
412 message("no such item.", 0);
415 if (obj->what_is != FOOD) {
416 message("you can't eat that", 0);
419 if ((obj->which_kind == FRUIT) || rand_percent(60)) {
420 moves = get_rand(950, 1150);
421 if (obj->which_kind == RATION) {
422 message("yum, that tasted good", 0);
424 sprintf(buf, "my, that was a yummy %s", fruit);
428 moves = get_rand(750, 950);
429 message("yuk, that food tasted awful", 0);
432 rogue.moves_left /= 3;
433 rogue.moves_left += moves;
435 print_stats(STAT_HUNGER);
437 vanish(obj, 1, &rogue.pack);
448 for (i = -2; i <= 2; i++) {
449 for (j = -2; j <= 2; j++) {
452 if ((row < MIN_ROW) || (row > (DROWS-2)) || (col < 0) ||
456 if (dungeon[row][col] & MONSTER) {
457 monster = object_at(&level_monsters, row, col);
458 monster->m_flags |= ASLEEP;
459 monster->m_flags &= (~WAKENS);
465 message("you feel a strange sense of loss", 0);
466 } else if (mcount == 1) {
467 message("the monster freezes", 0);
469 message("the monsters around you freeze", 0);
476 mvaddch(rogue.row, rogue.col, get_dungeon_char(rogue.row, rogue.col));
479 darken_room(cur_room);
481 put_player(get_room_number(rogue.row, rogue.col));
489 object *obj, *monster;
494 obj = level_objects.next_object;
497 ch = mvinch(obj->row, obj->col);
498 if (((ch < 'A') || (ch > 'Z')) &&
499 ((obj->row != rogue.row) || (obj->col != rogue.col)))
500 if ((ch != ' ') && (ch != '.') && (ch != '#') && (ch != '+')) {
501 addch(gr_obj_char());
503 obj = obj->next_object;
505 monster = level_monsters.next_monster;
508 ch = mvinch(monster->row, monster->col);
509 if ((ch >= 'A') && (ch <= 'Z')) {
510 addch(get_rand('A', 'Z'));
512 monster = monster->next_monster;
521 message("everything looks SO boring now", 1);
528 message("the veil of darkness lifts", 1);
533 if (detect_monster) {
541 if (cur_room == PASSAGE) {
542 light_passage(rogue.row, rogue.col);
544 light_up_room(cur_room);
546 mvaddch(rogue.row, rogue.col, rogue.fchar);
561 message(you_can_move_again, 0);
570 message("a cloak of darkness falls around you", 0);
572 blind += get_rand(500, 800);
574 if (detect_monster) {
577 monster = level_monsters.next_monster;
580 mvaddch(monster->row, monster->col, monster->trail_char);
581 monster = monster->next_monster;
585 for (i = rooms[cur_room].top_row + 1;
586 i < rooms[cur_room].bottom_row; i++) {
587 for (j = rooms[cur_room].left_col + 1;
588 j < rooms[cur_room].right_col; j++) {
593 mvaddch(rogue.row, rogue.col, rogue.fchar);
600 return(id_potions[get_rand(0, POTIONS-1)].title);
601 } else if (con_mon) {
610 confused += get_rand(12, 22);
619 sprintf(msg, "you feel less %s now", (halluc ? "trippy" : "confused"));
628 obj = rogue.pack.next_object;
632 obj = obj->next_object;