384 lines
7.4 KiB
C
384 lines
7.4 KiB
C
/*
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* Hero movement commands
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*
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* @(#)move.c 3.26 (Berkeley) 6/15/81
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*
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* Rogue: Exploring the Dungeons of Doom
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* Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
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* All rights reserved.
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*
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* See the file LICENSE.TXT for full copyright and licensing information.
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*/
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#include "curses.h"
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#include <ctype.h>
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#include "rogue.h"
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/*
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* Used to hold the new hero position
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*/
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coord nh;
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/*
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* do_run:
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* Start the hero running
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*/
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void
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do_run(int ch)
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{
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running = TRUE;
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after = FALSE;
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runch = ch;
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}
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/*
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* do_move:
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* Check to see that a move is legal. If it is handle the
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* consequences (fighting, picking up, etc.)
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*/
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void
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do_move(int dy, int dx)
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{
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int ch;
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firstmove = FALSE;
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if (no_move)
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{
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no_move--;
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msg("You are still stuck in the bear trap");
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return;
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}
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/*
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* Do a confused move (maybe)
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*/
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if (rnd(100) < 80 && on(player, ISHUH))
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nh = *rndmove(&player);
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else
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{
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nh.y = hero.y + dy;
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nh.x = hero.x + dx;
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}
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/*
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* Check if he tried to move off the screen or make an illegal
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* diagonal move, and stop him if he did.
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*/
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if (nh.x < 0 || nh.x > COLS-1 || nh.y < 0 || nh.y > LINES - 1
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|| !diag_ok(&hero, &nh))
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{
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after = FALSE;
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running = FALSE;
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return;
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}
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if (running && ce(hero, nh))
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after = running = FALSE;
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ch = winat(nh.y, nh.x);
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if (on(player, ISHELD) && ch != 'F')
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{
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msg("You are being held");
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return;
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}
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switch(ch)
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{
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case ' ':
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case '|':
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case '-':
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case SECRETDOOR:
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after = running = FALSE;
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return;
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case TRAP:
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ch = be_trapped(&nh);
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if (ch == TRAPDOOR || ch == TELTRAP)
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return;
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goto move_stuff;
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case GOLD:
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case POTION:
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case SCROLL:
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case FOOD:
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case WEAPON:
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case ARMOR:
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case RING:
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case AMULET:
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case STICK:
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running = FALSE;
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take = ch;
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default:
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move_stuff:
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if (ch == PASSAGE && winat(hero.y, hero.x) == DOOR)
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light(&hero);
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else if (ch == DOOR)
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{
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running = FALSE;
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if (winat(hero.y, hero.x) == PASSAGE)
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light(&nh);
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}
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else if (ch == STAIRS)
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running = FALSE;
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else if (isupper(ch))
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{
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running = FALSE;
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fight(&nh, ch, cur_weapon, FALSE);
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return;
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}
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ch = winat(hero.y, hero.x);
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wmove(cw, unc(hero));
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waddch(cw, ch);
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hero = nh;
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wmove(cw, unc(hero));
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waddch(cw, PLAYER);
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}
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}
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/*
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* Called to illuminate a room.
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* If it is dark, remove anything that might move.
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*/
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void
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light(coord *cp)
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{
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struct room *rp;
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int j, k;
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int ch;
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int rch;
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struct linked_list *item;
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if ((rp = roomin(cp)) != NULL && !on(player, ISBLIND))
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{
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for (j = 0; j < rp->r_max.y; j++)
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{
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for (k = 0; k < rp->r_max.x; k++)
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{
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ch = show(rp->r_pos.y + j, rp->r_pos.x + k);
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wmove(cw, rp->r_pos.y + j, rp->r_pos.x + k);
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/*
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* Figure out how to display a secret door
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*/
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if (ch == SECRETDOOR)
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{
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if (j == 0 || j == rp->r_max.y - 1)
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ch = '-';
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else
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ch = '|';
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}
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/*
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* If the room is a dark room, we might want to remove
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* monsters and the like from it (since they might
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* move)
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*/
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if (isupper(ch))
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{
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item = wake_monster(rp->r_pos.y+j, rp->r_pos.x+k);
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if (((struct thing *) ldata(item))->t_oldch == ' ')
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if (!(rp->r_flags & ISDARK))
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((struct thing *) ldata(item))->t_oldch =
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mvwinch(stdscr, rp->r_pos.y+j, rp->r_pos.x+k);
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}
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if (rp->r_flags & ISDARK)
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{
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rch = mvwinch(cw, rp->r_pos.y+j, rp->r_pos.x+k);
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switch (rch)
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{
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case DOOR:
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case STAIRS:
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case TRAP:
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case '|':
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case '-':
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case ' ':
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ch = rch;
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when FLOOR:
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ch = (on(player, ISBLIND) ? FLOOR : ' ');
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otherwise:
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ch = ' ';
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}
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}
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mvwaddch(cw, rp->r_pos.y+j, rp->r_pos.x+k, ch);
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}
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}
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}
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}
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/*
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* show:
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* returns what a certain thing will display as to the un-initiated
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*/
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int
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show(int y, int x)
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{
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int ch = winat(y, x);
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struct linked_list *it;
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struct thing *tp;
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if (ch == TRAP)
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return (trap_at(y, x)->tr_flags & ISFOUND) ? TRAP : FLOOR;
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else if (ch == 'M' || ch == 'I')
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{
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if ((it = find_mons(y, x)) == NULL)
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fatal("Can't find monster in show");
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tp = (struct thing *) ldata(it);
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if (ch == 'M')
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ch = tp->t_disguise;
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/*
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* Hide invisible monsters
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*/
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else if (off(player, CANSEE))
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ch = mvwinch(stdscr, y, x);
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}
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return ch;
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}
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/*
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* be_trapped:
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* The guy stepped on a trap.... Make him pay.
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*/
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int
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be_trapped(coord *tc)
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{
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struct trap *tp;
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int ch;
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tp = trap_at(tc->y, tc->x);
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count = running = FALSE;
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mvwaddch(cw, tp->tr_pos.y, tp->tr_pos.x, TRAP);
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tp->tr_flags |= ISFOUND;
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switch (ch = tp->tr_type)
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{
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case TRAPDOOR:
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level++;
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new_level();
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msg("You fell into a trap!");
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when BEARTRAP:
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no_move += BEARTIME;
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msg("You are caught in a bear trap");
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when SLEEPTRAP:
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no_command += SLEEPTIME;
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msg("A strange white mist envelops you and you fall asleep");
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when ARROWTRAP:
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if (swing(pstats.s_lvl-1, pstats.s_arm, 1))
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{
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msg("Oh no! An arrow shot you");
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if ((pstats.s_hpt -= roll(1, 6)) <= 0)
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{
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msg("The arrow killed you.");
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death('a');
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}
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}
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else
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{
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struct linked_list *item;
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struct object *arrow;
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msg("An arrow shoots past you.");
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item = new_item(sizeof *arrow);
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arrow = (struct object *) ldata(item);
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arrow->o_type = WEAPON;
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arrow->o_which = ARROW;
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init_weapon(arrow, ARROW);
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arrow->o_count = 1;
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arrow->o_pos = hero;
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arrow->o_hplus = arrow->o_dplus = 0; /* "arrow bug" FIX */
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fall(item, FALSE);
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}
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when TELTRAP:
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teleport();
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when DARTTRAP:
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if (swing(pstats.s_lvl+1, pstats.s_arm, 1))
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{
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msg("A small dart just hit you in the shoulder");
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if ((pstats.s_hpt -= roll(1, 4)) <= 0)
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{
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msg("The dart killed you.");
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death('d');
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}
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if (!ISWEARING(R_SUSTSTR))
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chg_str(-1);
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}
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else
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msg("A small dart whizzes by your ear and vanishes.");
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}
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flush_type(); /* flush typeahead */
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return(ch);
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}
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/*
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* trap_at:
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* find the trap at (y,x) on screen.
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*/
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struct trap *
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trap_at(int y, int x)
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{
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struct trap *tp, *ep;
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ep = &traps[ntraps];
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for (tp = traps; tp < ep; tp++)
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if (tp->tr_pos.y == y && tp->tr_pos.x == x)
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break;
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if (tp == ep)
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{
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sprintf(prbuf, "Trap at %d,%d not in array", y, x);
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fatal(prbuf);
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}
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return tp;
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}
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/*
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* rndmove:
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* move in a random direction if the monster/person is confused
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*/
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coord *
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rndmove(struct thing *who)
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{
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int x, y;
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int ch;
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int ex, ey, nopen = 0;
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struct linked_list *item;
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struct object *obj;
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static coord ret; /* what we will be returning */
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static coord dest;
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ret = who->t_pos;
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/*
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* Now go through the spaces surrounding the player and
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* set that place in the array to true if the space can be
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* moved into
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*/
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ey = ret.y + 1;
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ex = ret.x + 1;
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for (y = who->t_pos.y - 1; y <= ey; y++)
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if (y >= 0 && y < LINES)
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for (x = who->t_pos.x - 1; x <= ex; x++)
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{
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if (x < 0 || x >= COLS)
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continue;
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ch = winat(y, x);
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if (step_ok(ch))
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{
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dest.y = y;
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dest.x = x;
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if (!diag_ok(&who->t_pos, &dest))
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continue;
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if (ch == SCROLL)
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{
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item = NULL;
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for (item = lvl_obj; item != NULL; item = next(item))
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{
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obj = (struct object *) ldata(item);
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if (y == obj->o_pos.y && x == obj->o_pos.x)
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break;
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}
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if (item != NULL && obj->o_which == S_SCARE)
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continue;
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}
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if (rnd(++nopen) == 0)
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ret = dest;
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}
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}
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return &ret;
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}
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