650 lines
13 KiB
C
650 lines
13 KiB
C
/* $NetBSD: move.c,v 1.13 2011/05/23 23:01:17 joerg 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[] = "@(#)move.c 8.1 (Berkeley) 5/31/93";
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#else
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__RCSID("$NetBSD: move.c,v 1.13 2011/05/23 23:01:17 joerg Exp $");
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#endif
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#endif /* not lint */
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/*
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* move.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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short m_moves = 0;
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boolean jump = 0;
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const char you_can_move_again[] = "you can move again";
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static boolean can_turn(short, short);
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static boolean check_hunger(boolean);
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static char gr_dir(void);
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static void heal(void);
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static boolean next_to_something(int, int);
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static void turn_passage(short, boolean);
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int
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one_move_rogue(short dirch, short pickup)
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{
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short row, col;
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object *obj;
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char desc[DCOLS];
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short status, d = 0; /* XXX: GCC */
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row = rogue.row;
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col = rogue.col;
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if (confused) {
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dirch = gr_dir();
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}
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(void)is_direction(dirch, &d);
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get_dir_rc(d, &row, &col, 1);
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if (!can_move(rogue.row, rogue.col, row, col)) {
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return(MOVE_FAILED);
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}
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if (being_held || bear_trap) {
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if (!(dungeon[row][col] & MONSTER)) {
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if (being_held) {
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messagef(1, "you are being held");
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} else {
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messagef(0, "you are still stuck in the bear trap");
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(void)reg_move();
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}
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return(MOVE_FAILED);
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}
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}
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if (r_teleport) {
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if (rand_percent(R_TELE_PERCENT)) {
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tele();
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return(STOPPED_ON_SOMETHING);
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}
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}
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if (dungeon[row][col] & MONSTER) {
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rogue_hit(object_at(&level_monsters, row, col), 0);
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(void)reg_move();
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return(MOVE_FAILED);
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}
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if (dungeon[row][col] & DOOR) {
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if (cur_room == PASSAGE) {
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cur_room = get_room_number(row, col);
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if (cur_room == NO_ROOM)
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clean_up("one_move_rogue: door to nowhere");
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light_up_room(cur_room);
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wake_room(cur_room, 1, row, col);
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} else {
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light_passage(row, col);
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}
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} else if ((dungeon[rogue.row][rogue.col] & DOOR) &&
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(dungeon[row][col] & TUNNEL)) {
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light_passage(row, col);
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wake_room(cur_room, 0, rogue.row, rogue.col);
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darken_room(cur_room);
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cur_room = PASSAGE;
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} else if (dungeon[row][col] & TUNNEL) {
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light_passage(row, col);
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}
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mvaddch(rogue.row, rogue.col, get_dungeon_char(rogue.row, rogue.col));
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mvaddch(row, col, rogue.fchar);
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if (!jump) {
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refresh();
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}
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rogue.row = row;
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rogue.col = col;
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if (dungeon[row][col] & OBJECT) {
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if (levitate && pickup) {
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return(STOPPED_ON_SOMETHING);
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}
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if (pickup && !levitate) {
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if ((obj = pick_up(row, col, &status)) != NULL) {
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get_desc(obj, desc, sizeof(desc));
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if (obj->what_is == GOLD) {
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free_object(obj);
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messagef(1, "%s", desc);
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goto NOT_IN_PACK;
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}
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} else if (!status) {
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goto MVED;
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} else {
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goto MOVE_ON;
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}
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} else {
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MOVE_ON:
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obj = object_at(&level_objects, row, col);
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get_desc(obj, desc, sizeof(desc));
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messagef(1, "moved onto %s", desc);
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goto NOT_IN_PACK;
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}
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messagef(1, "%s(%c)", desc, obj->ichar);
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NOT_IN_PACK:
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(void)reg_move();
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return(STOPPED_ON_SOMETHING);
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}
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if (dungeon[row][col] & (DOOR | STAIRS | TRAP)) {
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if ((!levitate) && (dungeon[row][col] & TRAP)) {
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trap_player(row, col);
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}
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(void)reg_move();
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return(STOPPED_ON_SOMETHING);
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}
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MVED: if (reg_move()) { /* fainted from hunger */
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return(STOPPED_ON_SOMETHING);
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}
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return((confused ? STOPPED_ON_SOMETHING : MOVED));
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}
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void
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multiple_move_rogue(short dirch)
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{
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short row, col;
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short m;
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switch(dirch) {
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case '\010':
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case '\012':
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case '\013':
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case '\014':
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case '\031':
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case '\025':
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case '\016':
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case '\002':
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do {
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row = rogue.row;
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col = rogue.col;
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if (((m = one_move_rogue((dirch + 96), 1)) == MOVE_FAILED) ||
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(m == STOPPED_ON_SOMETHING) ||
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interrupted) {
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break;
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}
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} while (!next_to_something(row, col));
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if ( (!interrupted) && passgo && (m == MOVE_FAILED) &&
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(dungeon[rogue.row][rogue.col] & TUNNEL)) {
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turn_passage(dirch + 96, 0);
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}
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break;
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case 'H':
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case 'J':
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case 'K':
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case 'L':
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case 'B':
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case 'Y':
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case 'U':
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case 'N':
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while ((!interrupted) && (one_move_rogue((dirch + 32), 1) == MOVED))
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;
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if ( (!interrupted) && passgo &&
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(dungeon[rogue.row][rogue.col] & TUNNEL)) {
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turn_passage(dirch + 32, 1);
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}
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break;
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}
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}
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boolean
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is_passable(int row, int col)
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{
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if ((row < MIN_ROW) || (row > (DROWS - 2)) || (col < 0) ||
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(col > (DCOLS-1))) {
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return(0);
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}
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if (dungeon[row][col] & HIDDEN) {
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return((dungeon[row][col] & TRAP) ? 1 : 0);
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}
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return(dungeon[row][col] & (FLOOR | TUNNEL | DOOR | STAIRS | TRAP));
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}
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static boolean
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next_to_something(int drow, int dcol)
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{
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short i, j, i_end, j_end, row, col;
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short pass_count = 0;
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unsigned short s;
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if (confused) {
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return(1);
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}
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if (blind) {
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return(0);
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}
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i_end = (rogue.row < (DROWS-2)) ? 1 : 0;
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j_end = (rogue.col < (DCOLS-1)) ? 1 : 0;
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for (i = ((rogue.row > MIN_ROW) ? -1 : 0); i <= i_end; i++) {
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for (j = ((rogue.col > 0) ? -1 : 0); j <= j_end; j++) {
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if ((i == 0) && (j == 0)) {
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continue;
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}
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if (((rogue.row+i) == drow) && ((rogue.col+j) == dcol)) {
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continue;
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}
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row = rogue.row + i;
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col = rogue.col + j;
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s = dungeon[row][col];
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if (s & HIDDEN) {
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continue;
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}
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/* If the rogue used to be right, up, left, down, or right of
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* row,col, and now isn't, then don't stop */
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if (s & (MONSTER | OBJECT | STAIRS)) {
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if (((row == drow) || (col == dcol)) &&
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(!((row == rogue.row) || (col == rogue.col)))) {
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continue;
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}
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return(1);
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}
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if (s & TRAP) {
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if (!(s & HIDDEN)) {
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if (((row == drow) || (col == dcol)) &&
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(!((row == rogue.row) || (col == rogue.col)))) {
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continue;
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}
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return(1);
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}
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}
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if ((((i - j) == 1) || ((i - j) == -1)) && (s & TUNNEL)) {
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if (++pass_count > 1) {
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return(1);
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}
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}
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if ((s & DOOR) && ((i == 0) || (j == 0))) {
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return(1);
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}
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}
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}
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return(0);
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}
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boolean
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can_move(int row1, int col1, int row2, int col2)
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{
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if (!is_passable(row2, col2)) {
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return(0);
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}
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if ((row1 != row2) && (col1 != col2)) {
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if ((dungeon[row1][col1] & DOOR) || (dungeon[row2][col2] & DOOR)) {
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return(0);
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}
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if ((!dungeon[row1][col2]) || (!dungeon[row2][col1])) {
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return(0);
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}
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}
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return(1);
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}
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void
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move_onto(void)
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{
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short ch, d;
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boolean first_miss = 1;
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while (!is_direction(ch = 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 (ch != CANCEL) {
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(void)one_move_rogue(ch, 0);
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}
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}
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boolean
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is_direction(short c, short *d)
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{
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switch(c) {
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case 'h':
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*d = LEFT;
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break;
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case 'j':
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*d = DOWN;
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break;
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case 'k':
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*d = UPWARD;
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break;
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case 'l':
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*d = RIGHT;
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break;
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case 'b':
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*d = DOWNLEFT;
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break;
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case 'y':
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*d = UPLEFT;
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break;
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case 'u':
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*d = UPRIGHT;
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break;
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case 'n':
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*d = DOWNRIGHT;
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break;
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case CANCEL:
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break;
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default:
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return(0);
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}
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return(1);
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}
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static boolean
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check_hunger(boolean msg_only)
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{
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short i, n;
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boolean fainted = 0;
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if (rogue.moves_left == HUNGRY) {
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(void)strlcpy(hunger_str, "hungry", sizeof(hunger_str));
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messagef(0, "%s", hunger_str);
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print_stats(STAT_HUNGER);
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}
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if (rogue.moves_left == WEAK) {
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(void)strlcpy(hunger_str, "weak", sizeof(hunger_str));
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messagef(1, "%s", hunger_str);
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print_stats(STAT_HUNGER);
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}
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if (rogue.moves_left <= FAINT) {
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if (rogue.moves_left == FAINT) {
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(void)strlcpy(hunger_str, "faint", sizeof(hunger_str));
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messagef(1, "%s", hunger_str);
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print_stats(STAT_HUNGER);
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}
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n = get_rand(0, (FAINT - rogue.moves_left));
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if (n > 0) {
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fainted = 1;
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if (rand_percent(40)) {
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rogue.moves_left++;
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}
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messagef(1, "you faint");
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for (i = 0; i < n; i++) {
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if (coin_toss()) {
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mv_mons();
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}
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}
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messagef(1, "%s", you_can_move_again);
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}
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}
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if (msg_only) {
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return(fainted);
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}
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if (rogue.moves_left <= STARVE) {
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killed_by(NULL, STARVATION);
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}
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switch(e_rings) {
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/*case -2:
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Subtract 0, i.e. do nothing.
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break;*/
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case -1:
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rogue.moves_left -= (rogue.moves_left % 2);
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break;
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case 0:
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rogue.moves_left--;
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break;
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case 1:
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rogue.moves_left--;
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(void)check_hunger(1);
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rogue.moves_left -= (rogue.moves_left % 2);
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break;
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case 2:
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rogue.moves_left--;
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(void)check_hunger(1);
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rogue.moves_left--;
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break;
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}
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return(fainted);
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}
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boolean
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reg_move(void)
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{
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boolean fainted;
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if ((rogue.moves_left <= HUNGRY) || (cur_level >= max_level)) {
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fainted = check_hunger(0);
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} else {
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fainted = 0;
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}
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mv_mons();
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if (++m_moves >= 120) {
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m_moves = 0;
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wanderer();
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}
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if (halluc) {
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if (!(--halluc)) {
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unhallucinate();
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} else {
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hallucinate();
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}
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}
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if (blind) {
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if (!(--blind)) {
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unblind();
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}
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}
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if (confused) {
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if (!(--confused)) {
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unconfuse();
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}
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}
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if (bear_trap) {
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bear_trap--;
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}
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if (levitate) {
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if (!(--levitate)) {
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messagef(1, "you float gently to the ground");
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if (dungeon[rogue.row][rogue.col] & TRAP) {
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trap_player(rogue.row, rogue.col);
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}
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}
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}
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if (haste_self) {
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if (!(--haste_self)) {
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messagef(0, "you feel yourself slowing down");
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}
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}
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heal();
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if (auto_search > 0) {
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search(auto_search, auto_search);
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}
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return(fainted);
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}
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void
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rest(int count)
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{
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int i;
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interrupted = 0;
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for (i = 0; i < count; i++) {
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if (interrupted) {
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break;
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}
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(void)reg_move();
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}
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}
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static char
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gr_dir(void)
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{
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short d;
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d = get_rand(1, 8);
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switch(d) {
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case 1:
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d = 'j';
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break;
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case 2:
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d = 'k';
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break;
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case 3:
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d = 'l';
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break;
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case 4:
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d = 'h';
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break;
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case 5:
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d = 'y';
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break;
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case 6:
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d = 'u';
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break;
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case 7:
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d = 'b';
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break;
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case 8:
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d = 'n';
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break;
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}
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return(d);
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}
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static void
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heal(void)
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{
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static short heal_exp = -1, n, c = 0;
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static boolean alt;
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|
|
if (rogue.hp_current == rogue.hp_max) {
|
|
c = 0;
|
|
return;
|
|
}
|
|
if (rogue.exp != heal_exp) {
|
|
heal_exp = rogue.exp;
|
|
|
|
switch(heal_exp) {
|
|
case 1:
|
|
n = 20;
|
|
break;
|
|
case 2:
|
|
n = 18;
|
|
break;
|
|
case 3:
|
|
n = 17;
|
|
break;
|
|
case 4:
|
|
n = 14;
|
|
break;
|
|
case 5:
|
|
n = 13;
|
|
break;
|
|
case 6:
|
|
n = 10;
|
|
break;
|
|
case 7:
|
|
n = 9;
|
|
break;
|
|
case 8:
|
|
n = 8;
|
|
break;
|
|
case 9:
|
|
n = 7;
|
|
break;
|
|
case 10:
|
|
n = 4;
|
|
break;
|
|
case 11:
|
|
n = 3;
|
|
break;
|
|
case 12:
|
|
default:
|
|
n = 2;
|
|
}
|
|
}
|
|
if (++c >= n) {
|
|
c = 0;
|
|
rogue.hp_current++;
|
|
if ((alt = !alt) != 0) {
|
|
rogue.hp_current++;
|
|
}
|
|
if ((rogue.hp_current += regeneration) > rogue.hp_max) {
|
|
rogue.hp_current = rogue.hp_max;
|
|
}
|
|
print_stats(STAT_HP);
|
|
}
|
|
}
|
|
|
|
static boolean
|
|
can_turn(short nrow, short ncol)
|
|
{
|
|
if ((dungeon[nrow][ncol] & TUNNEL) && is_passable(nrow, ncol)) {
|
|
return(1);
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
static void
|
|
turn_passage(short dir, boolean fast)
|
|
{
|
|
short crow = rogue.row, ccol = rogue.col, turns = 0;
|
|
short ndir = 0;
|
|
|
|
if ((dir != 'h') && can_turn(crow, ccol + 1)) {
|
|
turns++;
|
|
ndir = 'l';
|
|
}
|
|
if ((dir != 'l') && can_turn(crow, ccol - 1)) {
|
|
turns++;
|
|
ndir = 'h';
|
|
}
|
|
if ((dir != 'k') && can_turn(crow + 1, ccol)) {
|
|
turns++;
|
|
ndir = 'j';
|
|
}
|
|
if ((dir != 'j') && can_turn(crow - 1, ccol)) {
|
|
turns++;
|
|
ndir = 'k';
|
|
}
|
|
if (turns == 1) {
|
|
multiple_move_rogue(ndir - (fast ? 32 : 96));
|
|
}
|
|
}
|