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-rw-r--r--rogue/spec_hit.c534
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diff --git a/rogue/spec_hit.c b/rogue/spec_hit.c
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+/*
+ * Copyright (c) 1988 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Timothy C. Stoehr.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)spec_hit.c 5.3 (Berkeley) 6/1/90";
+#endif /* not lint */
+
+/*
+ * special_hit.c
+ *
+ * This source herein may be modified and/or distributed by anybody who
+ * so desires, with the following restrictions:
+ * 1.) No portion of this notice shall be removed.
+ * 2.) Credit shall not be taken for the creation of this source.
+ * 3.) This code is not to be traded, sold, or used for personal
+ * gain or profit.
+ *
+ */
+
+#include "rogue.h"
+
+short less_hp = 0;
+boolean being_held;
+
+extern short cur_level, max_level, blind, levitate, ring_exp;
+extern long level_points[];
+extern boolean detect_monster, mon_disappeared;
+extern boolean sustain_strength, maintain_armor;
+extern char *you_can_move_again;
+
+special_hit(monster)
+object *monster;
+{
+ if ((monster->m_flags & CONFUSED) && rand_percent(66)) {
+ return;
+ }
+ if (monster->m_flags & RUSTS) {
+ rust(monster);
+ }
+ if ((monster->m_flags & HOLDS) && !levitate) {
+ being_held = 1;
+ }
+ if (monster->m_flags & FREEZES) {
+ freeze(monster);
+ }
+ if (monster->m_flags & STINGS) {
+ sting(monster);
+ }
+ if (monster->m_flags & DRAINS_LIFE) {
+ drain_life();
+ }
+ if (monster->m_flags & DROPS_LEVEL) {
+ drop_level();
+ }
+ if (monster->m_flags & STEALS_GOLD) {
+ steal_gold(monster);
+ } else if (monster->m_flags & STEALS_ITEM) {
+ steal_item(monster);
+ }
+}
+
+rust(monster)
+object *monster;
+{
+ if ((!rogue.armor) || (get_armor_class(rogue.armor) <= 1) ||
+ (rogue.armor->which_kind == LEATHER)) {
+ return;
+ }
+ if ((rogue.armor->is_protected) || maintain_armor) {
+ if (monster && (!(monster->m_flags & RUST_VANISHED))) {
+ message("the rust vanishes instantly", 0);
+ monster->m_flags |= RUST_VANISHED;
+ }
+ } else {
+ rogue.armor->d_enchant--;
+ message("your armor weakens", 0);
+ print_stats(STAT_ARMOR);
+ }
+}
+
+freeze(monster)
+object *monster;
+{
+ short freeze_percent = 99;
+ short i, n;
+
+ if (rand_percent(12)) {
+ return;
+ }
+ freeze_percent -= (rogue.str_current+(rogue.str_current / 2));
+ freeze_percent -= ((rogue.exp + ring_exp) * 4);
+ freeze_percent -= (get_armor_class(rogue.armor) * 5);
+ freeze_percent -= (rogue.hp_max / 3);
+
+ if (freeze_percent > 10) {
+ monster->m_flags |= FREEZING_ROGUE;
+ message("you are frozen", 1);
+
+ n = get_rand(4, 8);
+ for (i = 0; i < n; i++) {
+ mv_mons();
+ }
+ if (rand_percent(freeze_percent)) {
+ for (i = 0; i < 50; i++) {
+ mv_mons();
+ }
+ killed_by((object *)0, HYPOTHERMIA);
+ }
+ message(you_can_move_again, 1);
+ monster->m_flags &= (~FREEZING_ROGUE);
+ }
+}
+
+steal_gold(monster)
+object *monster;
+{
+ int amount;
+
+ if ((rogue.gold <= 0) || rand_percent(10)) {
+ return;
+ }
+
+ amount = get_rand((cur_level * 10), (cur_level * 30));
+
+ if (amount > rogue.gold) {
+ amount = rogue.gold;
+ }
+ rogue.gold -= amount;
+ message("your purse feels lighter", 0);
+ print_stats(STAT_GOLD);
+ disappear(monster);
+}
+
+steal_item(monster)
+object *monster;
+{
+ object *obj;
+ short i, n, t;
+ char desc[80];
+ boolean has_something = 0;
+
+ if (rand_percent(15)) {
+ return;
+ }
+ obj = rogue.pack.next_object;
+
+ if (!obj) {
+ goto DSPR;
+ }
+ while (obj) {
+ if (!(obj->in_use_flags & BEING_USED)) {
+ has_something = 1;
+ break;
+ }
+ obj = obj->next_object;
+ }
+ if (!has_something) {
+ goto DSPR;
+ }
+ n = get_rand(0, MAX_PACK_COUNT);
+ obj = rogue.pack.next_object;
+
+ for (i = 0; i <= n; i++) {
+ obj = obj->next_object;
+ while ((!obj) || (obj->in_use_flags & BEING_USED)) {
+ if (!obj) {
+ obj = rogue.pack.next_object;
+ } else {
+ obj = obj->next_object;
+ }
+ }
+ }
+ (void) strcpy(desc, "she stole ");
+ if (obj->what_is != WEAPON) {
+ t = obj->quantity;
+ obj->quantity = 1;
+ }
+ get_desc(obj, desc+10);
+ message(desc, 0);
+
+ obj->quantity = ((obj->what_is != WEAPON) ? t : 1);
+
+ vanish(obj, 0, &rogue.pack);
+DSPR:
+ disappear(monster);
+}
+
+disappear(monster)
+object *monster;
+{
+ short row, col;
+
+ row = monster->row;
+ col = monster->col;
+
+ dungeon[row][col] &= ~MONSTER;
+ if (rogue_can_see(row, col)) {
+ mvaddch(row, col, get_dungeon_char(row, col));
+ }
+ take_from_pack(monster, &level_monsters);
+ free_object(monster);
+ mon_disappeared = 1;
+}
+
+cough_up(monster)
+object *monster;
+{
+ object *obj;
+ short row, col, i, n;
+
+ if (cur_level < max_level) {
+ return;
+ }
+
+ if (monster->m_flags & STEALS_GOLD) {
+ obj = alloc_object();
+ obj->what_is = GOLD;
+ obj->quantity = get_rand((cur_level * 15), (cur_level * 30));
+ } else {
+ if (!rand_percent((int) monster->drop_percent)) {
+ return;
+ }
+ obj = gr_object();
+ }
+ row = monster->row;
+ col = monster->col;
+
+ for (n = 0; n <= 5; n++) {
+ for (i = -n; i <= n; i++) {
+ if (try_to_cough(row+n, col+i, obj)) {
+ return;
+ }
+ if (try_to_cough(row-n, col+i, obj)) {
+ return;
+ }
+ }
+ for (i = -n; i <= n; i++) {
+ if (try_to_cough(row+i, col-n, obj)) {
+ return;
+ }
+ if (try_to_cough(row+i, col+n, obj)) {
+ return;
+ }
+ }
+ }
+ free_object(obj);
+}
+
+try_to_cough(row, col, obj)
+short row, col;
+object *obj;
+{
+ if ((row < MIN_ROW) || (row > (DROWS-2)) || (col < 0) || (col>(DCOLS-1))) {
+ return(0);
+ }
+ if ((!(dungeon[row][col] & (OBJECT | STAIRS | TRAP))) &&
+ (dungeon[row][col] & (TUNNEL | FLOOR | DOOR))) {
+ place_at(obj, row, col);
+ if (((row != rogue.row) || (col != rogue.col)) &&
+ (!(dungeon[row][col] & MONSTER))) {
+ mvaddch(row, col, get_dungeon_char(row, col));
+ }
+ return(1);
+ }
+ return(0);
+}
+
+seek_gold(monster)
+object *monster;
+{
+ short i, j, rn, s;
+
+ if ((rn = get_room_number(monster->row, monster->col)) < 0) {
+ return(0);
+ }
+ for (i = rooms[rn].top_row+1; i < rooms[rn].bottom_row; i++) {
+ for (j = rooms[rn].left_col+1; j < rooms[rn].right_col; j++) {
+ if ((gold_at(i, j)) && !(dungeon[i][j] & MONSTER)) {
+ monster->m_flags |= CAN_FLIT;
+ s = mon_can_go(monster, i, j);
+ monster->m_flags &= (~CAN_FLIT);
+ if (s) {
+ move_mon_to(monster, i, j);
+ monster->m_flags |= ASLEEP;
+ monster->m_flags &= (~(WAKENS | SEEKS_GOLD));
+ return(1);
+ }
+ monster->m_flags &= (~SEEKS_GOLD);
+ monster->m_flags |= CAN_FLIT;
+ mv_1_monster(monster, i, j);
+ monster->m_flags &= (~CAN_FLIT);
+ monster->m_flags |= SEEKS_GOLD;
+ return(1);
+ }
+ }
+ }
+ return(0);
+}
+
+gold_at(row, col)
+short row, col;
+{
+ if (dungeon[row][col] & OBJECT) {
+ object *obj;
+
+ if ((obj = object_at(&level_objects, row, col)) &&
+ (obj->what_is == GOLD)) {
+ return(1);
+ }
+ }
+ return(0);
+}
+
+check_gold_seeker(monster)
+object *monster;
+{
+ monster->m_flags &= (~SEEKS_GOLD);
+}
+
+check_imitator(monster)
+object *monster;
+{
+ char msg[80];
+
+ if (monster->m_flags & IMITATES) {
+ wake_up(monster);
+ if (!blind) {
+ mvaddch(monster->row, monster->col,
+ get_dungeon_char(monster->row, monster->col));
+ check_message();
+ sprintf(msg, "wait, that's a %s!", mon_name(monster));
+ message(msg, 1);
+ }
+ return(1);
+ }
+ return(0);
+}
+
+imitating(row, col)
+register short row, col;
+{
+ if (dungeon[row][col] & MONSTER) {
+ object *object_at(), *monster;
+
+ if (monster = object_at(&level_monsters, row, col)) {
+ if (monster->m_flags & IMITATES) {
+ return(1);
+ }
+ }
+ }
+ return(0);
+}
+
+sting(monster)
+object *monster;
+{
+ short sting_chance = 35;
+ char msg[80];
+
+ if ((rogue.str_current <= 3) || sustain_strength) {
+ return;
+ }
+ sting_chance += (6 * (6 - get_armor_class(rogue.armor)));
+
+ if ((rogue.exp + ring_exp) > 8) {
+ sting_chance -= (6 * ((rogue.exp + ring_exp) - 8));
+ }
+ if (rand_percent(sting_chance)) {
+ sprintf(msg, "the %s's bite has weakened you",
+ mon_name(monster));
+ message(msg, 0);
+ rogue.str_current--;
+ print_stats(STAT_STRENGTH);
+ }
+}
+
+drop_level()
+{
+ int hp;
+
+ if (rand_percent(80) || (rogue.exp <= 5)) {
+ return;
+ }
+ rogue.exp_points = level_points[rogue.exp-2] - get_rand(9, 29);
+ rogue.exp -= 2;
+ hp = hp_raise();
+ if ((rogue.hp_current -= hp) <= 0) {
+ rogue.hp_current = 1;
+ }
+ if ((rogue.hp_max -= hp) <= 0) {
+ rogue.hp_max = 1;
+ }
+ add_exp(1, 0);
+}
+
+drain_life()
+{
+ short n;
+
+ if (rand_percent(60) || (rogue.hp_max <= 30) || (rogue.hp_current < 10)) {
+ return;
+ }
+ n = get_rand(1, 3); /* 1 Hp, 2 Str, 3 both */
+
+ if ((n != 2) || (!sustain_strength)) {
+ message("you feel weaker", 0);
+ }
+ if (n != 2) {
+ rogue.hp_max--;
+ rogue.hp_current--;
+ less_hp++;
+ }
+ if (n != 1) {
+ if ((rogue.str_current > 3) && (!sustain_strength)) {
+ rogue.str_current--;
+ if (coin_toss()) {
+ rogue.str_max--;
+ }
+ }
+ }
+ print_stats((STAT_STRENGTH | STAT_HP));
+}
+
+m_confuse(monster)
+object *monster;
+{
+ char msg[80];
+
+ if (!rogue_can_see(monster->row, monster->col)) {
+ return(0);
+ }
+ if (rand_percent(45)) {
+ monster->m_flags &= (~CONFUSES); /* will not confuse the rogue */
+ return(0);
+ }
+ if (rand_percent(55)) {
+ monster->m_flags &= (~CONFUSES);
+ sprintf(msg, "the gaze of the %s has confused you", mon_name(monster));
+ message(msg, 1);
+ cnfs();
+ return(1);
+ }
+ return(0);
+}
+
+flame_broil(monster)
+object *monster;
+{
+ short row, col, dir;
+
+ if ((!mon_sees(monster, rogue.row, rogue.col)) || coin_toss()) {
+ return(0);
+ }
+ row = rogue.row - monster->row;
+ col = rogue.col - monster->col;
+ if (row < 0) {
+ row = -row;
+ }
+ if (col < 0) {
+ col = -col;
+ }
+ if (((row != 0) && (col != 0) && (row != col)) ||
+ ((row > 7) || (col > 7))) {
+ return(0);
+ }
+ dir = get_dir(monster->row, monster->col, row, col);
+ bounce(FIRE, dir, monster->row, monster->col, 0);
+
+ return(1);
+}
+
+get_dir(srow, scol, drow, dcol)
+short srow, scol, drow, dcol;
+{
+ if (srow == drow) {
+ if (scol < dcol) {
+ return(RIGHT);
+ } else {
+ return(LEFT);
+ }
+ }
+ if (scol == dcol) {
+ if (srow < drow) {
+ return(DOWN);
+ } else {
+ return(UPWARD);
+ }
+ }
+ if ((srow > drow) && (scol > dcol)) {
+ return(UPLEFT);
+ }
+ if ((srow < drow) && (scol < dcol)) {
+ return(DOWNRIGHT);
+ }
+ if ((srow < drow) && (scol > dcol)) {
+ return(DOWNLEFT);
+ }
+ /*if ((srow > drow) && (scol < dcol)) {*/
+ return(UPRIGHT);
+ /*}*/
+}
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