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 * @(#)spec_hit.c 8.1 (Berkeley) 5/31/93
33 * $FreeBSD: src/games/rogue/spec_hit.c,v 1.4 1999/11/30 03:49:28 billf Exp $
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
50 static void disappear(object *);
51 static void drain_life(void);
52 static void drop_level(void);
53 static void freeze(object *);
54 static short get_dir(short, short, short, short);
55 static boolean gold_at(short, short);
56 static void steal_gold(object *);
57 static void steal_item(object *);
58 static void sting(object *);
59 static boolean try_to_cough(short, short, object *);
65 special_hit(object *monster)
67 if ((monster->m_flags & CONFUSED) && rand_percent(66)) {
70 if (monster->m_flags & RUSTS) {
73 if ((monster->m_flags & HOLDS) && !levitate) {
76 if (monster->m_flags & FREEZES) {
79 if (monster->m_flags & STINGS) {
82 if (monster->m_flags & DRAINS_LIFE) {
85 if (monster->m_flags & DROPS_LEVEL) {
88 if (monster->m_flags & STEALS_GOLD) {
90 } else if (monster->m_flags & STEALS_ITEM) {
98 if ((!rogue.armor) || (get_armor_class(rogue.armor) <= 1) ||
99 (rogue.armor->which_kind == LEATHER)) {
102 if ((rogue.armor->is_protected) || maintain_armor) {
103 if (monster && (!(monster->m_flags & RUST_VANISHED))) {
104 message("the rust vanishes instantly", 0);
105 monster->m_flags |= RUST_VANISHED;
108 rogue.armor->d_enchant--;
109 message("your armor weakens", 0);
110 print_stats(STAT_ARMOR);
115 freeze(object *monster)
117 short freeze_percent = 99;
120 if (rand_percent(12)) {
123 freeze_percent -= (rogue.str_current+(rogue.str_current / 2));
124 freeze_percent -= ((rogue.exp + ring_exp) * 4);
125 freeze_percent -= (get_armor_class(rogue.armor) * 5);
126 freeze_percent -= (rogue.hp_max / 3);
128 if (freeze_percent > 10) {
129 monster->m_flags |= FREEZING_ROGUE;
130 message("you are frozen", 1);
133 for (i = 0; i < n; i++) {
136 if (rand_percent(freeze_percent)) {
137 for (i = 0; i < 50; i++) {
140 killed_by(NULL, HYPOTHERMIA);
142 message(you_can_move_again, 1);
143 monster->m_flags &= (~FREEZING_ROGUE);
148 steal_gold(object *monster)
152 if ((rogue.gold <= 0) || rand_percent(10)) {
156 amount = get_rand((cur_level * 10), (cur_level * 30));
158 if (amount > rogue.gold) {
161 rogue.gold -= amount;
162 message("your purse feels lighter", 0);
163 print_stats(STAT_GOLD);
168 steal_item(object *monster)
173 boolean has_something = 0;
175 if (rand_percent(15)) {
178 obj = rogue.pack.next_object;
184 if (!(obj->in_use_flags & BEING_USED)) {
188 obj = obj->next_object;
190 if (!has_something) {
193 n = get_rand(0, MAX_PACK_COUNT);
194 obj = rogue.pack.next_object;
196 for (i = 0; i <= n; i++) {
197 obj = obj->next_object;
198 while ((!obj) || (obj->in_use_flags & BEING_USED)) {
200 obj = rogue.pack.next_object;
202 obj = obj->next_object;
206 strcpy(desc, "she stole ");
207 if (obj->what_is != WEAPON) {
211 get_desc(obj, desc+10);
214 obj->quantity = ((obj->what_is != WEAPON) ? t : 1);
216 vanish(obj, 0, &rogue.pack);
222 disappear(object *monster)
229 dungeon[row][col] &= ~MONSTER;
230 if (rogue_can_see(row, col)) {
231 mvaddch(row, col, get_dungeon_char(row, col));
233 take_from_pack(monster, &level_monsters);
234 free_object(monster);
239 cough_up(object *monster)
242 short row, col, i, n;
244 if (cur_level < max_level) {
248 if (monster->m_flags & STEALS_GOLD) {
249 obj = alloc_object();
251 obj->quantity = get_rand((cur_level * 15), (cur_level * 30));
253 if (!rand_percent((int)monster->drop_percent)) {
261 for (n = 0; n <= 5; n++) {
262 for (i = -n; i <= n; i++) {
263 if (try_to_cough(row+n, col+i, obj)) {
266 if (try_to_cough(row-n, col+i, obj)) {
270 for (i = -n; i <= n; i++) {
271 if (try_to_cough(row+i, col-n, obj)) {
274 if (try_to_cough(row+i, col+n, obj)) {
283 try_to_cough(short row, short col, object *obj)
285 if ((row < MIN_ROW) ||
286 (row > (DROWS-2)) || (col < 0) || (col>(DCOLS-1))) {
289 if ((!(dungeon[row][col] & (OBJECT | STAIRS | TRAP))) &&
290 (dungeon[row][col] & (TUNNEL | FLOOR | DOOR))) {
291 place_at(obj, row, col);
292 if (((row != rogue.row) || (col != rogue.col)) &&
293 (!(dungeon[row][col] & MONSTER))) {
294 mvaddch(row, col, get_dungeon_char(row, col));
302 seek_gold(object *monster)
306 if ((rn = get_room_number(monster->row, monster->col)) < 0) {
309 for (i = rooms[rn].top_row+1; i < rooms[rn].bottom_row; i++) {
310 for (j = rooms[rn].left_col+1; j < rooms[rn].right_col; j++) {
311 if ((gold_at(i, j)) && !(dungeon[i][j] & MONSTER)) {
312 monster->m_flags |= CAN_FLIT;
313 s = mon_can_go(monster, i, j);
314 monster->m_flags &= (~CAN_FLIT);
316 move_mon_to(monster, i, j);
317 monster->m_flags |= ASLEEP;
318 monster->m_flags &= (~(WAKENS | SEEKS_GOLD));
321 monster->m_flags &= (~SEEKS_GOLD);
322 monster->m_flags |= CAN_FLIT;
323 mv_1_monster(monster, i, j);
324 monster->m_flags &= (~CAN_FLIT);
325 monster->m_flags |= SEEKS_GOLD;
334 gold_at(short row, short col)
336 if (dungeon[row][col] & OBJECT) {
339 if ((obj = object_at(&level_objects, row, col)) &&
340 (obj->what_is == GOLD)) {
348 check_gold_seeker(object *monster)
350 monster->m_flags &= (~SEEKS_GOLD);
354 check_imitator(object *monster)
358 if (monster->m_flags & IMITATES) {
361 mvaddch(monster->row, monster->col,
362 get_dungeon_char(monster->row, monster->col));
364 sprintf(msg, "wait, that's a %s!", mon_name(monster));
373 imitating(short row, short col)
375 if (dungeon[row][col] & MONSTER) {
378 if ((monster = object_at(&level_monsters, row, col)) != NULL) {
379 if (monster->m_flags & IMITATES) {
388 sting(object *monster)
390 short sting_chance = 35;
393 if ((rogue.str_current <= 3) || sustain_strength) {
396 sting_chance += (6 * (6 - get_armor_class(rogue.armor)));
398 if ((rogue.exp + ring_exp) > 8) {
399 sting_chance -= (6 * ((rogue.exp + ring_exp) - 8));
401 if (rand_percent(sting_chance)) {
402 sprintf(msg, "the %s's bite has weakened you",
406 print_stats(STAT_STRENGTH);
415 if (rand_percent(80) || (rogue.exp <= 5)) {
418 rogue.exp_points = level_points[rogue.exp-2] - get_rand(9, 29);
421 if ((rogue.hp_current -= hp) <= 0) {
422 rogue.hp_current = 1;
424 if ((rogue.hp_max -= hp) <= 0) {
435 if (rand_percent(60) || (rogue.hp_max <= 30) || (rogue.hp_current < 10)) {
438 n = get_rand(1, 3); /* 1 Hp, 2 Str, 3 both */
440 if ((n != 2) || (!sustain_strength)) {
441 message("you feel weaker", 0);
449 if ((rogue.str_current > 3) && (!sustain_strength)) {
456 print_stats((STAT_STRENGTH | STAT_HP));
460 m_confuse(object *monster)
464 if (!rogue_can_see(monster->row, monster->col)) {
467 if (rand_percent(45)) {
468 monster->m_flags &= (~CONFUSES); /* will not confuse the rogue */
471 if (rand_percent(55)) {
472 monster->m_flags &= (~CONFUSES);
473 sprintf(msg, "the gaze of the %s has confused you", mon_name(monster));
482 flame_broil(object *monster)
486 if ((!mon_sees(monster, rogue.row, rogue.col)) || coin_toss()) {
489 row = rogue.row - monster->row;
490 col = rogue.col - monster->col;
497 if (((row != 0) && (col != 0) && (row != col)) ||
498 ((row > 7) || (col > 7))) {
501 dir = get_dir(monster->row, monster->col, row, col);
502 bounce(FIRE, dir, monster->row, monster->col, 0);
508 get_dir(short srow, short scol, short drow, short dcol)
524 if ((srow > drow) && (scol > dcol)) {
527 if ((srow < drow) && (scol < dcol)) {
530 if ((srow < drow) && (scol > dcol)) {
533 /*if ((srow > drow) && (scol < dcol)) {*/