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5 * This code is derived from software contributed to Berkeley by
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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 $
34 * $DragonFly: src/games/rogue/spec_hit.c,v 1.3 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
51 static void disappear(object *);
52 static void drain_life(void);
53 static void drop_level(void);
54 static void freeze(object *);
55 static short get_dir(short, short, short, short);
56 static boolean gold_at(short, short);
57 static void steal_gold(object *);
58 static void steal_item(object *);
59 static void sting(object *);
60 static boolean try_to_cough(short, short, object *);
65 extern short cur_level, max_level, blind, levitate, ring_exp;
66 extern long level_points[];
67 extern boolean detect_monster, mon_disappeared;
68 extern boolean sustain_strength, maintain_armor;
69 extern char *you_can_move_again;
72 special_hit(object *monster)
74 if ((monster->m_flags & CONFUSED) && rand_percent(66)) {
77 if (monster->m_flags & RUSTS) {
80 if ((monster->m_flags & HOLDS) && !levitate) {
83 if (monster->m_flags & FREEZES) {
86 if (monster->m_flags & STINGS) {
89 if (monster->m_flags & DRAINS_LIFE) {
92 if (monster->m_flags & DROPS_LEVEL) {
95 if (monster->m_flags & STEALS_GOLD) {
97 } else if (monster->m_flags & STEALS_ITEM) {
103 rust(object *monster)
105 if ((!rogue.armor) || (get_armor_class(rogue.armor) <= 1) ||
106 (rogue.armor->which_kind == LEATHER)) {
109 if ((rogue.armor->is_protected) || maintain_armor) {
110 if (monster && (!(monster->m_flags & RUST_VANISHED))) {
111 message("the rust vanishes instantly", 0);
112 monster->m_flags |= RUST_VANISHED;
115 rogue.armor->d_enchant--;
116 message("your armor weakens", 0);
117 print_stats(STAT_ARMOR);
122 freeze(object *monster)
124 short freeze_percent = 99;
127 if (rand_percent(12)) {
130 freeze_percent -= (rogue.str_current+(rogue.str_current / 2));
131 freeze_percent -= ((rogue.exp + ring_exp) * 4);
132 freeze_percent -= (get_armor_class(rogue.armor) * 5);
133 freeze_percent -= (rogue.hp_max / 3);
135 if (freeze_percent > 10) {
136 monster->m_flags |= FREEZING_ROGUE;
137 message("you are frozen", 1);
140 for (i = 0; i < n; i++) {
143 if (rand_percent(freeze_percent)) {
144 for (i = 0; i < 50; i++) {
147 killed_by(NULL, HYPOTHERMIA);
149 message(you_can_move_again, 1);
150 monster->m_flags &= (~FREEZING_ROGUE);
155 steal_gold(object *monster)
159 if ((rogue.gold <= 0) || rand_percent(10)) {
163 amount = get_rand((cur_level * 10), (cur_level * 30));
165 if (amount > rogue.gold) {
168 rogue.gold -= amount;
169 message("your purse feels lighter", 0);
170 print_stats(STAT_GOLD);
175 steal_item(object *monster)
180 boolean has_something = 0;
182 if (rand_percent(15)) {
185 obj = rogue.pack.next_object;
191 if (!(obj->in_use_flags & BEING_USED)) {
195 obj = obj->next_object;
197 if (!has_something) {
200 n = get_rand(0, MAX_PACK_COUNT);
201 obj = rogue.pack.next_object;
203 for (i = 0; i <= n; i++) {
204 obj = obj->next_object;
205 while ((!obj) || (obj->in_use_flags & BEING_USED)) {
207 obj = rogue.pack.next_object;
209 obj = obj->next_object;
213 strcpy(desc, "she stole ");
214 if (obj->what_is != WEAPON) {
218 get_desc(obj, desc+10);
221 obj->quantity = ((obj->what_is != WEAPON) ? t : 1);
223 vanish(obj, 0, &rogue.pack);
229 disappear(object *monster)
236 dungeon[row][col] &= ~MONSTER;
237 if (rogue_can_see(row, col)) {
238 mvaddch(row, col, get_dungeon_char(row, col));
240 take_from_pack(monster, &level_monsters);
241 free_object(monster);
246 cough_up(object *monster)
249 short row, col, i, n;
251 if (cur_level < max_level) {
255 if (monster->m_flags & STEALS_GOLD) {
256 obj = alloc_object();
258 obj->quantity = get_rand((cur_level * 15), (cur_level * 30));
260 if (!rand_percent((int)monster->drop_percent)) {
268 for (n = 0; n <= 5; n++) {
269 for (i = -n; i <= n; i++) {
270 if (try_to_cough(row+n, col+i, obj)) {
273 if (try_to_cough(row-n, col+i, obj)) {
277 for (i = -n; i <= n; i++) {
278 if (try_to_cough(row+i, col-n, obj)) {
281 if (try_to_cough(row+i, col+n, obj)) {
290 try_to_cough(short row, short col, object *obj)
292 if ((row < MIN_ROW) ||
293 (row > (DROWS-2)) || (col < 0) || (col>(DCOLS-1))) {
296 if ((!(dungeon[row][col] & (OBJECT | STAIRS | TRAP))) &&
297 (dungeon[row][col] & (TUNNEL | FLOOR | DOOR))) {
298 place_at(obj, row, col);
299 if (((row != rogue.row) || (col != rogue.col)) &&
300 (!(dungeon[row][col] & MONSTER))) {
301 mvaddch(row, col, get_dungeon_char(row, col));
309 seek_gold(object *monster)
313 if ((rn = get_room_number(monster->row, monster->col)) < 0) {
316 for (i = rooms[rn].top_row+1; i < rooms[rn].bottom_row; i++) {
317 for (j = rooms[rn].left_col+1; j < rooms[rn].right_col; j++) {
318 if ((gold_at(i, j)) && !(dungeon[i][j] & MONSTER)) {
319 monster->m_flags |= CAN_FLIT;
320 s = mon_can_go(monster, i, j);
321 monster->m_flags &= (~CAN_FLIT);
323 move_mon_to(monster, i, j);
324 monster->m_flags |= ASLEEP;
325 monster->m_flags &= (~(WAKENS | SEEKS_GOLD));
328 monster->m_flags &= (~SEEKS_GOLD);
329 monster->m_flags |= CAN_FLIT;
330 mv_1_monster(monster, i, j);
331 monster->m_flags &= (~CAN_FLIT);
332 monster->m_flags |= SEEKS_GOLD;
341 gold_at(short row, short col)
343 if (dungeon[row][col] & OBJECT) {
346 if ((obj = object_at(&level_objects, row, col)) &&
347 (obj->what_is == GOLD)) {
355 check_gold_seeker(object *monster)
357 monster->m_flags &= (~SEEKS_GOLD);
361 check_imitator(object *monster)
365 if (monster->m_flags & IMITATES) {
368 mvaddch(monster->row, monster->col,
369 get_dungeon_char(monster->row, monster->col));
371 sprintf(msg, "wait, that's a %s!", mon_name(monster));
380 imitating(short row, short col)
382 if (dungeon[row][col] & MONSTER) {
385 if ((monster = object_at(&level_monsters, row, col)) != NULL) {
386 if (monster->m_flags & IMITATES) {
395 sting(object *monster)
397 short sting_chance = 35;
400 if ((rogue.str_current <= 3) || sustain_strength) {
403 sting_chance += (6 * (6 - get_armor_class(rogue.armor)));
405 if ((rogue.exp + ring_exp) > 8) {
406 sting_chance -= (6 * ((rogue.exp + ring_exp) - 8));
408 if (rand_percent(sting_chance)) {
409 sprintf(msg, "the %s's bite has weakened you",
413 print_stats(STAT_STRENGTH);
422 if (rand_percent(80) || (rogue.exp <= 5)) {
425 rogue.exp_points = level_points[rogue.exp-2] - get_rand(9, 29);
428 if ((rogue.hp_current -= hp) <= 0) {
429 rogue.hp_current = 1;
431 if ((rogue.hp_max -= hp) <= 0) {
442 if (rand_percent(60) || (rogue.hp_max <= 30) || (rogue.hp_current < 10)) {
445 n = get_rand(1, 3); /* 1 Hp, 2 Str, 3 both */
447 if ((n != 2) || (!sustain_strength)) {
448 message("you feel weaker", 0);
456 if ((rogue.str_current > 3) && (!sustain_strength)) {
463 print_stats((STAT_STRENGTH | STAT_HP));
467 m_confuse(object *monster)
471 if (!rogue_can_see(monster->row, monster->col)) {
474 if (rand_percent(45)) {
475 monster->m_flags &= (~CONFUSES); /* will not confuse the rogue */
478 if (rand_percent(55)) {
479 monster->m_flags &= (~CONFUSES);
480 sprintf(msg, "the gaze of the %s has confused you", mon_name(monster));
489 flame_broil(object *monster)
493 if ((!mon_sees(monster, rogue.row, rogue.col)) || coin_toss()) {
496 row = rogue.row - monster->row;
497 col = rogue.col - monster->col;
504 if (((row != 0) && (col != 0) && (row != col)) ||
505 ((row > 7) || (col > 7))) {
508 dir = get_dir(monster->row, monster->col, row, col);
509 bounce(FIRE, dir, monster->row, monster->col, 0);
515 get_dir(short srow, short scol, short drow, short dcol)
531 if ((srow > drow) && (scol > dcol)) {
534 if ((srow < drow) && (scol < dcol)) {
537 if ((srow < drow) && (scol > dcol)) {
540 /*if ((srow > drow) && (scol < dcol)) {*/