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288 lines
7.1 KiB
C
288 lines
7.1 KiB
C
/*
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. 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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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)trap.c 8.1 (Berkeley) 5/31/93";
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#endif
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static const char rcsid[] =
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"$FreeBSD$";
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#endif /* not lint */
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/*
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* trap.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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trap traps[MAX_TRAPS];
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boolean trap_door = 0;
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short bear_trap = 0;
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const char *const trap_strings[TRAPS * 2] = {
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"trap door",
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"you fell down a trap",
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"bear trap",
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"you are caught in a bear trap",
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"teleport trap",
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"teleport",
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"poison dart trap",
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"a small dart just hit you in the shoulder",
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"sleeping gas trap",
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"a strange white mist envelops you and you fall asleep",
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"rust trap",
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"a gush of water hits you on the head"
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};
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extern short cur_level, party_room;
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extern const char *new_level_message;
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extern boolean interrupted;
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extern short ring_exp;
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extern boolean sustain_strength;
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extern short blind;
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trap_at(row, col)
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int row, col;
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{
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short i;
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for (i = 0; ((i < MAX_TRAPS) && (traps[i].trap_type != NO_TRAP)); i++) {
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if ((traps[i].trap_row == row) && (traps[i].trap_col == col)) {
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return(traps[i].trap_type);
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}
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}
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return(NO_TRAP);
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}
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trap_player(row, col)
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short row, col;
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{
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short t;
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if ((t = trap_at(row, col)) == NO_TRAP) {
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return;
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}
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dungeon[row][col] &= (~HIDDEN);
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if (rand_percent(rogue.exp + ring_exp)) {
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message("the trap failed", 1);
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return;
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}
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switch(t) {
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case TRAP_DOOR:
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trap_door = 1;
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new_level_message = trap_strings[(t*2)+1];
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break;
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case BEAR_TRAP:
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message(trap_strings[(t*2)+1], 1);
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bear_trap = get_rand(4, 7);
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break;
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case TELE_TRAP:
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mvaddch(rogue.row, rogue.col, '^');
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tele();
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break;
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case DART_TRAP:
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message(trap_strings[(t*2)+1], 1);
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rogue.hp_current -= get_damage("1d6", 1);
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if (rogue.hp_current <= 0) {
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rogue.hp_current = 0;
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}
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if ((!sustain_strength) && rand_percent(40) &&
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(rogue.str_current >= 3)) {
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rogue.str_current--;
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}
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print_stats(STAT_HP | STAT_STRENGTH);
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if (rogue.hp_current <= 0) {
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killed_by((object *) 0, POISON_DART);
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}
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break;
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case SLEEPING_GAS_TRAP:
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message(trap_strings[(t*2)+1], 1);
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take_a_nap();
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break;
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case RUST_TRAP:
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message(trap_strings[(t*2)+1], 1);
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rust((object *) 0);
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break;
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}
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}
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add_traps()
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{
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short i, n, tries = 0;
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short row, col;
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if (cur_level <= 2) {
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n = 0;
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} else if (cur_level <= 7) {
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n = get_rand(0, 2);
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} else if (cur_level <= 11) {
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n = get_rand(1, 2);
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} else if (cur_level <= 16) {
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n = get_rand(2, 3);
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} else if (cur_level <= 21) {
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n = get_rand(2, 4);
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} else if (cur_level <= (AMULET_LEVEL + 2)) {
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n = get_rand(3, 5);
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} else {
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n = get_rand(5, MAX_TRAPS);
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}
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for (i = 0; i < n; i++) {
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traps[i].trap_type = get_rand(0, (TRAPS - 1));
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if ((i == 0) && (party_room != NO_ROOM)) {
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do {
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row = get_rand((rooms[party_room].top_row+1),
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(rooms[party_room].bottom_row-1));
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col = get_rand((rooms[party_room].left_col+1),
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(rooms[party_room].right_col-1));
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tries++;
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} while (((dungeon[row][col] & (OBJECT|STAIRS|TRAP|TUNNEL)) ||
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(dungeon[row][col] == NOTHING)) && (tries < 15));
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if (tries >= 15) {
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gr_row_col(&row, &col, (FLOOR | MONSTER));
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}
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} else {
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gr_row_col(&row, &col, (FLOOR | MONSTER));
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}
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traps[i].trap_row = row;
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traps[i].trap_col = col;
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dungeon[row][col] |= (TRAP | HIDDEN);
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}
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}
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id_trap()
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{
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short dir, row, col, d, t;
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message("direction? ", 0);
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while (!is_direction(dir = rgetchar(), &d)) {
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sound_bell();
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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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row = rogue.row;
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col = rogue.col;
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get_dir_rc(d, &row, &col, 0);
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if ((dungeon[row][col] & TRAP) && (!(dungeon[row][col] & HIDDEN))) {
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t = trap_at(row, col);
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message(trap_strings[t*2], 0);
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} else {
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message("no trap there", 0);
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}
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}
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show_traps()
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{
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short i, j;
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for (i = 0; i < DROWS; i++) {
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for (j = 0; j < DCOLS; j++) {
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if (dungeon[i][j] & TRAP) {
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mvaddch(i, j, '^');
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}
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}
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}
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}
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search(n, is_auto)
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short n;
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boolean is_auto;
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{
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short s, i, j, row, col, t;
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short shown = 0, found = 0;
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static boolean reg_search;
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for (i = -1; i <= 1; i++) {
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for (j = -1; j <= 1; j++) {
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row = rogue.row + i;
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col = rogue.col + j;
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if ((row < MIN_ROW) || (row >= (DROWS-1)) ||
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(col < 0) || (col >= DCOLS)) {
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continue;
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}
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if (dungeon[row][col] & HIDDEN) {
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found++;
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}
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}
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}
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for (s = 0; s < n; s++) {
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for (i = -1; i <= 1; i++) {
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for (j = -1; j <= 1; j++) {
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row = rogue.row + i;
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col = rogue.col + j ;
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if ((row < MIN_ROW) || (row >= (DROWS-1)) ||
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(col < 0) || (col >= DCOLS)) {
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continue;
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}
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if (dungeon[row][col] & HIDDEN) {
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if (rand_percent(17 + (rogue.exp + ring_exp))) {
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dungeon[row][col] &= (~HIDDEN);
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if ((!blind) && ((row != rogue.row) ||
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(col != rogue.col))) {
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mvaddch(row, col, get_dungeon_char(row, col));
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}
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shown++;
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if (dungeon[row][col] & TRAP) {
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t = trap_at(row, col);
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message(trap_strings[t*2], 1);
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}
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}
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}
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if (((shown == found) && (found > 0)) || interrupted) {
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return;
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}
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}
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}
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if ((!is_auto) && (reg_search = !reg_search)) {
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(void) reg_move();
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}
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}
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}
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