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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[] = "@(#)hit.c 5.3 (Berkeley) 6/1/90";
- #endif /* not lint */
-
- /*
- * 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"
-
- object *fight_monster = 0;
- char hit_message[80] = "";
-
- extern short halluc, blind, cur_level;
- extern short add_strength, ring_exp, r_rings;
- extern boolean being_held, interrupted, wizard, con_mon;
-
- mon_hit(monster)
- register object *monster;
- {
- short damage, hit_chance;
- char *mn;
- float minus;
-
- if (fight_monster && (monster != fight_monster)) {
- fight_monster = 0;
- }
- monster->trow = NO_ROOM;
- if (cur_level >= (AMULET_LEVEL * 2)) {
- hit_chance = 100;
- } else {
- hit_chance = monster->m_hit_chance;
- hit_chance -= (((2 * rogue.exp) + (2 * ring_exp)) - r_rings);
- }
- if (wizard) {
- hit_chance /= 2;
- }
- if (!fight_monster) {
- interrupted = 1;
- }
- mn = mon_name(monster);
-
- if (!rand_percent(hit_chance)) {
- if (!fight_monster) {
- sprintf(hit_message + strlen(hit_message), "the %s misses", mn);
- message(hit_message, 1);
- hit_message[0] = 0;
- }
- return;
- }
- if (!fight_monster) {
- sprintf(hit_message + strlen(hit_message), "the %s hit", mn);
- message(hit_message, 1);
- hit_message[0] = 0;
- }
- if (!(monster->m_flags & STATIONARY)) {
- damage = get_damage(monster->m_damage, 1);
- if (cur_level >= (AMULET_LEVEL * 2)) {
- minus = (float) ((AMULET_LEVEL * 2) - cur_level);
- } else {
- minus = (float) get_armor_class(rogue.armor) * 3.00;
- minus = minus/100.00 * (float) damage;
- }
- damage -= (short) minus;
- } else {
- damage = monster->stationary_damage++;
- }
- if (wizard) {
- damage /= 3;
- }
- if (damage > 0) {
- rogue_damage(damage, monster, 0);
- }
- if (monster->m_flags & SPECIAL_HIT) {
- special_hit(monster);
- }
- }
-
- rogue_hit(monster, force_hit)
- register object *monster;
- boolean force_hit;
- {
- short damage, hit_chance;
-
- if (monster) {
- if (check_imitator(monster)) {
- return;
- }
- hit_chance = force_hit ? 100 : get_hit_chance(rogue.weapon);
-
- if (wizard) {
- hit_chance *= 2;
- }
- if (!rand_percent(hit_chance)) {
- if (!fight_monster) {
- (void) strcpy(hit_message, "you miss ");
- }
- goto RET;
- }
- damage = get_weapon_damage(rogue.weapon);
- if (wizard) {
- damage *= 3;
- }
- if (con_mon) {
- s_con_mon(monster);
- }
- if (mon_damage(monster, damage)) { /* still alive? */
- if (!fight_monster) {
- (void) strcpy(hit_message, "you hit ");
- }
- }
- RET: check_gold_seeker(monster);
- wake_up(monster);
- }
- }
-
- rogue_damage(d, monster, other)
- short d;
- object *monster;
- short other;
- {
- if (d >= rogue.hp_current) {
- rogue.hp_current = 0;
- print_stats(STAT_HP);
- killed_by(monster, other);
- }
- if (d > 0) {
- rogue.hp_current -= d;
- print_stats(STAT_HP);
- }
- }
-
- get_damage(ds, r)
- char *ds;
- boolean r;
- {
- register i = 0, j, n, d, total = 0;
-
- while (ds[i]) {
- n = get_number(ds+i);
- while (ds[i++] != 'd') ;
- d = get_number(ds+i);
- while ((ds[i] != '/') && ds[i]) i++;
-
- for (j = 0; j < n; j++) {
- if (r) {
- total += get_rand(1, d);
- } else {
- total += d;
- }
- }
- if (ds[i] == '/') {
- i++;
- }
- }
- return(total);
- }
-
- get_w_damage(obj)
- object *obj;
- {
- char new_damage[12];
- register to_hit, damage;
- register i = 0;
-
- if ((!obj) || (obj->what_is != WEAPON)) {
- return(-1);
- }
- to_hit = get_number(obj->damage) + obj->hit_enchant;
- while (obj->damage[i++] != 'd') ;
- damage = get_number(obj->damage + i) + obj->d_enchant;
-
- sprintf(new_damage, "%dd%d", to_hit, damage);
-
- return(get_damage(new_damage, 1));
- }
-
- get_number(s)
- register char *s;
- {
- register i = 0;
- register total = 0;
-
- while ((s[i] >= '0') && (s[i] <= '9')) {
- total = (10 * total) + (s[i] - '0');
- i++;
- }
- return(total);
- }
-
- long
- lget_number(s)
- char *s;
- {
- short i = 0;
- long total = 0;
-
- while ((s[i] >= '0') && (s[i] <= '9')) {
- total = (10 * total) + (s[i] - '0');
- i++;
- }
- return(total);
- }
-
- to_hit(obj)
- object *obj;
- {
- if (!obj) {
- return(1);
- }
- return(get_number(obj->damage) + obj->hit_enchant);
- }
-
- damage_for_strength()
- {
- short strength;
-
- strength = rogue.str_current + add_strength;
-
- if (strength <= 6) {
- return(strength-5);
- }
- if (strength <= 14) {
- return(1);
- }
- if (strength <= 17) {
- return(3);
- }
- if (strength <= 18) {
- return(4);
- }
- if (strength <= 20) {
- return(5);
- }
- if (strength <= 21) {
- return(6);
- }
- if (strength <= 30) {
- return(7);
- }
- return(8);
- }
-
- mon_damage(monster, damage)
- object *monster;
- short damage;
- {
- char *mn;
- short row, col;
-
- monster->hp_to_kill -= damage;
-
- if (monster->hp_to_kill <= 0) {
- row = monster->row;
- col = monster->col;
- dungeon[row][col] &= ~MONSTER;
- mvaddch(row, col, (int) get_dungeon_char(row, col));
-
- fight_monster = 0;
- cough_up(monster);
- mn = mon_name(monster);
- sprintf(hit_message+strlen(hit_message), "defeated the %s", mn);
- message(hit_message, 1);
- hit_message[0] = 0;
- add_exp(monster->kill_exp, 1);
- take_from_pack(monster, &level_monsters);
-
- if (monster->m_flags & HOLDS) {
- being_held = 0;
- }
- free_object(monster);
- return(0);
- }
- return(1);
- }
-
- fight(to_the_death)
- boolean to_the_death;
- {
- short ch, c, d;
- short row, col;
- boolean first_miss = 1;
- short possible_damage;
- object *monster;
-
- while (!is_direction(ch = rgetchar(), &d)) {
- sound_bell();
- if (first_miss) {
- message("direction?", 0);
- first_miss = 0;
- }
- }
- check_message();
- if (ch == CANCEL) {
- return;
- }
- row = rogue.row; col = rogue.col;
- get_dir_rc(d, &row, &col, 0);
-
- c = mvinch(row, col);
- if (((c < 'A') || (c > 'Z')) ||
- (!can_move(rogue.row, rogue.col, row, col))) {
- message("I see no monster there", 0);
- return;
- }
- if (!(fight_monster = object_at(&level_monsters, row, col))) {
- return;
- }
- if (!(fight_monster->m_flags & STATIONARY)) {
- possible_damage = ((get_damage(fight_monster->m_damage, 0) * 2) / 3);
- } else {
- possible_damage = fight_monster->stationary_damage - 1;
- }
- while (fight_monster) {
- (void) one_move_rogue(ch, 0);
- if (((!to_the_death) && (rogue.hp_current <= possible_damage)) ||
- interrupted || (!(dungeon[row][col] & MONSTER))) {
- fight_monster = 0;
- } else {
- monster = object_at(&level_monsters, row, col);
- if (monster != fight_monster) {
- fight_monster = 0;
- }
- }
- }
- }
-
- get_dir_rc(dir, row, col, allow_off_screen)
- short dir;
- short *row, *col;
- short allow_off_screen;
- {
- switch(dir) {
- case LEFT:
- if (allow_off_screen || (*col > 0)) {
- (*col)--;
- }
- break;
- case DOWN:
- if (allow_off_screen || (*row < (DROWS-2))) {
- (*row)++;
- }
- break;
- case UPWARD:
- if (allow_off_screen || (*row > MIN_ROW)) {
- (*row)--;
- }
- break;
- case RIGHT:
- if (allow_off_screen || (*col < (DCOLS-1))) {
- (*col)++;
- }
- break;
- case UPLEFT:
- if (allow_off_screen || ((*row > MIN_ROW) && (*col > 0))) {
- (*row)--;
- (*col)--;
- }
- break;
- case UPRIGHT:
- if (allow_off_screen || ((*row > MIN_ROW) && (*col < (DCOLS-1)))) {
- (*row)--;
- (*col)++;
- }
- break;
- case DOWNRIGHT:
- if (allow_off_screen || ((*row < (DROWS-2)) && (*col < (DCOLS-1)))) {
- (*row)++;
- (*col)++;
- }
- break;
- case DOWNLEFT:
- if (allow_off_screen || ((*row < (DROWS-2)) && (*col > 0))) {
- (*row)++;
- (*col)--;
- }
- break;
- }
- }
-
- get_hit_chance(weapon)
- object *weapon;
- {
- short hit_chance;
-
- hit_chance = 40;
- hit_chance += 3 * to_hit(weapon);
- hit_chance += (((2 * rogue.exp) + (2 * ring_exp)) - r_rings);
- return(hit_chance);
- }
-
- get_weapon_damage(weapon)
- object *weapon;
- {
- short damage;
-
- damage = get_w_damage(weapon);
- damage += damage_for_strength();
- damage += ((((rogue.exp + ring_exp) - r_rings) + 1) / 2);
- return(damage);
- }
-
- s_con_mon(monster)
- object *monster;
- {
- if (con_mon) {
- monster->m_flags |= CONFUSED;
- monster->moves_confused += get_rand(12, 22);
- message("the monster appears confused", 0);
- con_mon = 0;
- }
- }
-