408 lines
9.8 KiB
C
408 lines
9.8 KiB
C
/* $NetBSD: zap.c,v 1.9 2008/01/14 03:50:03 dholland Exp $ */
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/*
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* Copyright (c) 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Timothy C. Stoehr.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)zap.c 8.1 (Berkeley) 5/31/93";
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#else
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__RCSID("$NetBSD: zap.c,v 1.9 2008/01/14 03:50:03 dholland Exp $");
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#endif
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#endif /* not lint */
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/*
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* zap.c
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*
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* This source herein may be modified and/or distributed by anybody who
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* so desires, with the following restrictions:
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* 1.) No portion of this notice shall be removed.
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* 2.) Credit shall not be taken for the creation of this source.
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* 3.) This code is not to be traded, sold, or used for personal
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* gain or profit.
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*
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*/
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#include "rogue.h"
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static object *get_zapped_monster(short, short *, short *);
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static void tele_away(object *);
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static void wdrain_life(object *);
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static void zap_monster(object *, unsigned short);
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boolean wizard = 0;
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void
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zapp(void)
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{
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short wch;
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boolean first_miss = 1;
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object *wand;
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short dir, d, row, col;
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object *monster;
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while (!is_direction(dir = rgetchar(), &d)) {
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sound_bell();
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if (first_miss) {
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messagef(0, "direction? ");
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first_miss = 0;
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}
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}
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check_message();
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if (dir == CANCEL) {
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return;
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}
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if ((wch = pack_letter("zap with what?", WAND)) == CANCEL) {
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return;
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}
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check_message();
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if (!(wand = get_letter_object(wch))) {
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messagef(0, "no such item.");
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return;
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}
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if (wand->what_is != WAND) {
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messagef(0, "you can't zap with that");
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return;
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}
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if (wand->class <= 0) {
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messagef(0, "nothing happens");
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} else {
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wand->class--;
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row = rogue.row; col = rogue.col;
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if ((wand->which_kind == COLD) || (wand->which_kind == FIRE)) {
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bounce((short)wand->which_kind, d, row, col, 0);
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} else {
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monster = get_zapped_monster(d, &row, &col);
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if (wand->which_kind == DRAIN_LIFE) {
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wdrain_life(monster);
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} else if (monster) {
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wake_up(monster);
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s_con_mon(monster);
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zap_monster(monster, wand->which_kind);
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relight();
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}
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}
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}
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(void)reg_move();
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}
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static object *
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get_zapped_monster(short dir, short *row, short *col)
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{
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short orow, ocol;
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for (;;) {
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orow = *row; ocol = *col;
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get_dir_rc(dir, row, col, 0);
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if (((*row == orow) && (*col == ocol)) ||
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(dungeon[*row][*col] & (HORWALL | VERTWALL)) ||
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(dungeon[*row][*col] == NOTHING)) {
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return(0);
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}
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if (dungeon[*row][*col] & MONSTER) {
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if (!imitating(*row, *col)) {
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return(object_at(&level_monsters, *row, *col));
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}
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}
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}
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}
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static void
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zap_monster(object *monster, unsigned short kind)
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{
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short row, col;
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object *nm;
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short tc;
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row = monster->row;
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col = monster->col;
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switch(kind) {
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case SLOW_MONSTER:
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if (monster->m_flags & HASTED) {
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monster->m_flags &= (~HASTED);
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} else {
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monster->slowed_toggle = 0;
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monster->m_flags |= SLOWED;
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}
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break;
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case HASTE_MONSTER:
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if (monster->m_flags & SLOWED) {
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monster->m_flags &= (~SLOWED);
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} else {
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monster->m_flags |= HASTED;
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}
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break;
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case TELE_AWAY:
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tele_away(monster);
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break;
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case INVISIBILITY:
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monster->m_flags |= INVISIBLE;
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break;
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case POLYMORPH:
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if (monster->m_flags & HOLDS) {
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being_held = 0;
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}
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nm = monster->next_monster;
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tc = monster->trail_char;
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(void)gr_monster(monster, get_rand(0, MONSTERS-1));
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monster->row = row;
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monster->col = col;
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monster->next_monster = nm;
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monster->trail_char = tc;
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if (!(monster->m_flags & IMITATES)) {
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wake_up(monster);
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}
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break;
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case MAGIC_MISSILE:
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rogue_hit(monster, 1);
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break;
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case CANCELLATION:
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if (monster->m_flags & HOLDS) {
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being_held = 0;
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}
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if (monster->m_flags & STEALS_ITEM) {
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monster->drop_percent = 0;
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}
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monster->m_flags &= (~(FLIES | FLITS | SPECIAL_HIT | INVISIBLE |
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FLAMES | IMITATES | CONFUSES | SEEKS_GOLD | HOLDS));
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break;
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case DO_NOTHING:
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messagef(0, "nothing happens");
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break;
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}
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}
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static void
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tele_away(object *monster)
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{
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short row, col;
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if (monster->m_flags & HOLDS) {
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being_held = 0;
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}
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gr_row_col(&row, &col, (FLOOR | TUNNEL | STAIRS | OBJECT));
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mvaddch(monster->row, monster->col, monster->trail_char);
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dungeon[monster->row][monster->col] &= ~MONSTER;
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monster->row = row; monster->col = col;
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dungeon[row][col] |= MONSTER;
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monster->trail_char = mvinch(row, col);
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if (detect_monster || rogue_can_see(row, col)) {
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mvaddch(row, col, gmc(monster));
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}
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}
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void
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wizardize(void)
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{
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char buf[100];
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if (wizard) {
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wizard = 0;
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messagef(0, "not wizard anymore");
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} else {
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if (get_input_line("wizard's password:", "", buf, sizeof(buf),
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"", 0, 0)) {
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(void)xxx(1);
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xxxx(buf, strlen(buf));
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if (!strncmp(buf, "\247\104\126\272\115\243\027", 7)) {
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wizard = 1;
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score_only = 1;
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messagef(0, "Welcome, mighty wizard!");
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} else {
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messagef(0, "sorry");
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}
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}
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}
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}
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static void
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wdrain_life(object *monster)
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{
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short hp;
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object *lmon, *nm;
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hp = rogue.hp_current / 3;
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rogue.hp_current = (rogue.hp_current + 1) / 2;
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if (cur_room >= 0) {
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lmon = level_monsters.next_monster;
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while (lmon) {
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nm = lmon->next_monster;
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if (get_room_number(lmon->row, lmon->col) == cur_room) {
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wake_up(lmon);
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(void)mon_damage(lmon, hp);
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}
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lmon = nm;
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}
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} else {
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if (monster) {
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wake_up(monster);
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(void)mon_damage(monster, hp);
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}
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}
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print_stats(STAT_HP);
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relight();
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}
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void
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bounce(short ball, short dir, short row, short col, short r)
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{
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short orow, ocol;
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const char *s;
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short i, ch, new_dir = -1, damage;
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static short btime;
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if (++r == 1) {
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btime = get_rand(3, 6);
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} else if (r > btime) {
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return;
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}
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if (ball == FIRE) {
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s = "fire";
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} else {
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s = "ice";
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}
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if (r > 1) {
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messagef(0, "the %s bounces", s);
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}
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orow = row;
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ocol = col;
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do {
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ch = mvinch(orow, ocol);
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standout();
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mvaddch(orow, ocol, ch);
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get_dir_rc(dir, &orow, &ocol, 1);
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} while (!( (ocol <= 0) ||
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(ocol >= DCOLS-1) ||
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(dungeon[orow][ocol] == NOTHING) ||
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(dungeon[orow][ocol] & MONSTER) ||
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(dungeon[orow][ocol] & (HORWALL | VERTWALL)) ||
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((orow == rogue.row) && (ocol == rogue.col))));
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standend();
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refresh();
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do {
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orow = row;
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ocol = col;
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ch = mvinch(row, col);
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mvaddch(row, col, ch);
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get_dir_rc(dir, &row, &col, 1);
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} while (!( (col <= 0) ||
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(col >= DCOLS-1) ||
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(dungeon[row][col] == NOTHING) ||
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(dungeon[row][col] & MONSTER) ||
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(dungeon[row][col] & (HORWALL | VERTWALL)) ||
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((row == rogue.row) && (col == rogue.col))));
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if (dungeon[row][col] & MONSTER) {
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object *monster;
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monster = object_at(&level_monsters, row, col);
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wake_up(monster);
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if (rand_percent(33)) {
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messagef(0, "the %s misses the %s", s,
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mon_name(monster));
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goto ND;
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}
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if (ball == FIRE) {
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if (!(monster->m_flags & RUSTS)) {
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if (monster->m_flags & FREEZES) {
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damage = monster->hp_to_kill;
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} else if (monster->m_flags & FLAMES) {
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damage = (monster->hp_to_kill / 10) + 1;
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} else {
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damage = get_rand((rogue.hp_current / 3), rogue.hp_max);
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}
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} else {
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damage = (monster->hp_to_kill / 2) + 1;
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}
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messagef(0, "the %s hits the %s", s,
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mon_name(monster));
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(void)mon_damage(monster, damage);
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} else {
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damage = -1;
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if (!(monster->m_flags & FREEZES)) {
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if (rand_percent(33)) {
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messagef(0, "the monster is frozen");
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monster->m_flags |= (ASLEEP | NAPPING);
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monster->nap_length = get_rand(3, 6);
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} else {
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damage = rogue.hp_current / 4;
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}
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} else {
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damage = -2;
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}
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if (damage != -1) {
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messagef(0, "the %s hits the %s", s,
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mon_name(monster));
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(void)mon_damage(monster, damage);
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}
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}
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} else if ((row == rogue.row) && (col == rogue.col)) {
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if (rand_percent(10 + (3 * get_armor_class(rogue.armor)))) {
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messagef(0, "the %s misses", s);
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goto ND;
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} else {
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damage = get_rand(3, (3 * rogue.exp));
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if (ball == FIRE) {
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damage = (damage * 3) / 2;
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damage -= get_armor_class(rogue.armor);
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}
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rogue_damage(damage, NULL,
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((ball == FIRE) ? KFIRE : HYPOTHERMIA));
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messagef(0, "the %s hits", s);
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}
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} else {
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short nrow, ncol;
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ND: for (i = 0; i < 10; i++) {
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dir = get_rand(0, DIRS-1);
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nrow = orow;
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ncol = ocol;
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get_dir_rc(dir, &nrow, &ncol, 1);
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if (((ncol >= 0) && (ncol <= DCOLS-1)) &&
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(dungeon[nrow][ncol] != NOTHING) &&
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(!(dungeon[nrow][ncol] & (VERTWALL | HORWALL)))) {
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new_dir = dir;
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break;
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}
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}
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if (new_dir != -1) {
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bounce(ball, new_dir, orow, ocol, r);
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}
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}
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}
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