Press n or j to go to the next uncovered block, b, p or k for the previous block.
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73x 73x 72x 72x | // cmd.js — Command dispatch (port of cmd.c)
// rhack() dispatches player keystrokes to command functions.
// For basic movement (hjklyubn), dispatches to domove().
import { game } from './gstate.js';
import { TELEPORT_BUILD_DATE } from './version.js';
import { doengrave } from './engrave.js';
import { ShellEscape, GameQuit, GameInterrupt } from './signals.js';
import { itemactions } from './iactions.js';
import { cmdq_add_key, cmdq_clear, cmdq_pop, getCount, nhgetch, more, ynFunction, getlin } from './input.js';
import { pushRngLogEntry, pushCtxMoveLog, pushMultiLog, rn2, rnd, rn2_raw, rne, rnl } from './rng.js';
import { bot, canspotmon, cls, curs_on_u, delay_output, docorner, docrt, erase_menu_or_text, feel_location, feel_newsym, flush_screen, mon_visible, newsym, NHW_TEXT, recalc_block_point, render_screen_output_to_display, rendered_ch, sensemon, setBotl, setBotlx, status_initialize, tty_clear_nhwindow, tty_create_nhwindow, tty_destroy_nhwindow, tty_dismiss_nhwindow, unblock_point, unmap_object } from './display.js';
import { assertNotInModal, enterModal, exitModal } from './modal_guard.js';
import { A_CHA, A_CHAOTIC, A_CON, A_DEX, A_INT, A_LAWFUL, A_NEUTRAL, A_STR, A_WIS, ALTAR, AUTOUNLOCK_APPLY_KEY, CMDQ_EXTCMD, CMDQ_KEY, COLNO, CORR, CQ_CANNED, CQ_REPEAT, D_BROKEN, D_CLOSED, D_ISOPEN, D_LOCKED, D_NODOOR, DO_MOVE, DOMOVE_RUSH, DOMOVE_WALK, DOOR, ECMD_TIME, FOUNTAIN, GRAVE, IS_DOOR, IS_FURNITURE, IS_OBSTRUCTED, IS_WALL, IS_WATERWALL, is_hole, is_pit, isok, LAVAPOOL, LAVAWALL, M_AP_FURNITURE, M_AP_OBJECT, MENU_ITEMFLAGS_SELECTED, MENU_ITEMFLAGS_SKIPINVERT, N_DIRS, NHW_MENU, OBJ_AT, OVERLOADED, PARANOID_SWIM, PARANOID_TRAP, PICK_ANY, PICK_ONE, POOL, P_BASIC, P_EXPERT, P_GRAND_MASTER, P_ISRESTRICTED, P_MASTER, P_NONE, P_SKILLED, P_UNSKILLED, ROOM, ROWNO, RUN_CRAWL, RUN_LEAP, RUN_TPORT, SCORR, SDOOR, SINK, SLT_ENCUMBER, STAIRS, STATUE_TRAP, STONE, TELEDS_TELEPORT, TELEP_TRAP, TER_MAP, TER_OBJ, TER_TRP, TEST_MOVE, THRONE, TIP_SWIM, TOPLINE_EMPTY, TOPLINE_NEED_MORE, TOPLINE_NON_EMPTY, TOPLINE_SPECIAL_PROMPT, TRAVP_GUESS, TRAVP_TRAVEL, TT_BEARTRAP, TT_BURIEDBALL, TT_INFLOOR, TT_LAVA, TT_PIT, TT_WEB, W_ARM, W_ARMC, W_ARMF, W_ARMG, W_ARMH, W_ARMS, W_ARMU, WATER, WEB, WT_SQUEEZABLE_INV, W_SADDLE, W_SWAPWEP, W_TOOL, W_WEP, WAND_WREST_CHANCE, xdir, ydir } from './const.js';
import { next_ident, obj_extract_self, place_object, remove_object, sobj_at } from './mkobj.js';
import { goto_level } from './allmain.js';
import { AT_WEAP, mons } from './monsters.js';
import { dodrink, dodip } from './potion.js';
import { dozap } from './zap.js';
import { find_roll_to_hit, passive, do_attack } from './uhitm.js';
import { Blind, Confusion, Conflict, Fire_resistance, Flying, Hallucination, Is_airlevel, Levitation, Passes_walls, Punished, Stunned, Underwater, Upolyd, u_locomotion } from './macros.js';
import { read_engr_at } from './engrave.js';
import { bad_rock, end_running, findtravelpath, helpless, is_safemon, maybe_smudge_engr, money_cnt, mundisplaceable, NODIAG, spoteffects, test_move, u_maybe_impaired } from './hack.js';
import { dokick } from './dokick.js';
import { vision_recalc } from './vision.js';
import { dotakeoff, doputon, doremring, dowear } from './do_wear.js';
import { ACURR, exercise } from './attrib.js';
import { an, doname, doname_with_price, makeplural, the, xname } from './objnam.js';
import { ATR_INVERSE, NO_COLOR } from './terminal.js';
import { is_lava, is_pool } from './dbridge.js';
import { m_at, t_at } from './map_access.js';
import { WEAPON_CLASS, ARMOR_CLASS, RING_CLASS, AMULET_CLASS, TOOL_CLASS, FOOD_CLASS, POTION_CLASS, SCROLL_CLASS, SPBOOK_CLASS, WAND_CLASS, COIN_CLASS, GEM_CLASS, BULLWHIP, LEASH, LENSES, POT_OIL, CREAM_PIE, EUCALYPTUS_LEAF, LUMP_OF_ROYAL_JELLY, MAGIC_MARKER, TOUCHSTONE, NODIR, WAN_STASIS, BOULDER, WATER_WALKING_BOOTS, is_ammo } from './objects.js';
import { dotwoweapon, dowield, doswapweapon, setuqwep, setuswapwep, setuwep } from './wield.js';
import { enhance_weapon_skill, P_SKILL, skill_name, weapon_type } from './weapon.js';
import { doeat, is_edible } from './eat.js';
import { dothrow, dofire } from './dothrow.js';
import { You, You_cant, custompline, pline, pline_The, set_msg_xy, There, get_message_history } from './pline.js';
import { docast, dovspell } from './spell.js';
import { wiz_genesis, wiz_intrinsic, wiz_level_change, wiz_level_tele, wiz_map, wiz_wish } from './wizcmds.js';
import { dopray, dosacrifice, doturn } from './pray.js';
import { dosit } from './sit.js';
import { check_leash, doapply, dorub } from './apply.js';
import { doclose, doforce, doopen } from './lock.js';
// import { doread } from './read.js'; // TODO: wire when getobj events fixed (#265)
import { dodrop, dowipe, cmd_safety_prevention, Norep } from './do.js';
import { doloot, dopickup, inv_weight, near_capacity, pickup, weight_cap } from './pickup.js';
import { dojump } from './apply.js';
import { add_menu, add_menu_heading, add_menu_str, create_nhwindow_menu, destroy_nhwindow_menu, end_menu, select_menu, start_menu } from './menu.js';
import { getpos } from './getpos.js';
import { m_next2u, set_ustuck, y_monnam } from './mon.js';
import { doride, place_monster, remove_monster_steed } from './steed.js';
import { addinv, currency, getobj, let_to_name, display_inventory, doorganize } from './invent.js';
import { doread } from './read.js';
import { dopay } from './shk.js';
import { dowhatis, doquickwhatis, dowhatdoes, docontact, waterbody_name } from './pager.js';
import { dist2, ing_suffix, surface, upstart } from './hacklib.js';
import { cvt_sdoor_to_door, find_trap, mfind0, reveal_terrain } from './detect.js';
import { activate_statue_trap, climb_pit, into_vs_onto, reset_utrap, trapname } from './trap.js';
import { is_hider, noattacks, sticks, throws_rocks } from './mondata.js';
import { grounded } from './mondata.js';
import { docallcmd, hliquid } from './do_name.js';
import { align_gname } from './pray.js';
import { buried_ball, buried_ball_to_punishment } from './dig.js';
import { drag_ball, move_bc } from './ball.js';
import { retouch_object, u_wield_art } from './artifact.js';
import { ART_STING } from './artifacts.js';
import { onscary } from './monmove.js';
import { dotele } from './teleport.js';
import { dotalk } from './sounds.js';
import { domonability, dopolyself } from './polyself.js';
import { applyOptions, parseoption } from './options.js';
import { def_char_to_objclass } from './drawing.js';
import { def_oc_syms } from './symbols.js';
function cmdSkillLevelNameFromValue(sklvl) {
switch (sklvl) {
case P_UNSKILLED: return 'Unskilled';
case P_BASIC: return 'Basic';
case P_SKILLED: return 'Skilled';
case P_EXPERT: return 'Expert';
case P_MASTER: return 'Master';
case P_GRAND_MASTER: return 'Grand Master';
default: return '(unknown)';
}
}
// Simple object name for "You see here..." messages.
// C ref: objnam.c doname(obj) → xname + article
function simple_obj_name(obj) {
if (!obj) return 'an object';
const od = game.objects[obj.otyp];
// Corpse: "a <monster> corpse" (xname doesn't handle corpsenm yet)
if (od?.oc_name === 'corpse' && obj.corpsenm != null && obj.corpsenm >= 0) {
const mdata = mons[obj.corpsenm];
if (mdata) return `a ${mdata.mname} corpse`;
}
// Gold: xname handles quantity but not the "piece" wording
if (od?.oc_class === COIN_CLASS) {
const qty = obj.quan || 1;
return qty === 1 ? '1 gold piece' : `${qty} gold pieces`;
}
// C ref: doname(obj) — xname handles description + pluralization
const name = xname(obj);
const qty = obj.quan || 1;
if (qty > 1) return `${qty} ${name}`;
const vowelSet = 'aeiou';
const article = vowelSet.includes(name[0]?.toLowerCase()) ? 'an' : 'a';
return `${article} ${name}`;
}
export function find_inventory_obj_by_letter(letter) {
const ch = typeof letter === 'number' ? String.fromCharCode(letter) : letter;
for (let obj = game.invent; obj; obj = obj.nobj) {
if (obj.invlet === ch) return obj;
}
return null;
}
// C ref: cmd.c extcmdlist[] — entries with the AUTOCOMPLETE flag. Only
// these are considered by ext_cmd_getlin_hook during typing to extend
// the prompt when a prefix is unique. Non-AUTOCOMPLETE commands (shell,
// twoweapon, pay, pickup, perminv, ...) still dispatch — but only on an
// exact full-name match after Enter (ECM_IGNOREAC at dispatch time).
const BASE_EXTCMDS = [
'?', 'adjust', 'annotate', 'chat', 'chronicle', 'conduct', 'dip',
'enhance', 'force', 'genocided', 'herecmdmenu', 'invoke', 'jump', 'loot', 'monster',
'name', 'offer', 'overview', 'pray',
'quit', 'ride', 'rub', 'sit',
'terrain', 'therecmdmenu', 'tip', 'turn', 'untrap', 'vanquished', 'version', 'wipe',
];
// Non-AUTOCOMPLETE user-facing extcmds: dispatch-only, not in the hook's
// match list. Typing '#shell' or '#twoweapon' requires the full name.
const NON_AUTOCOMPLETE_EXTCMDS = ['shell', 'twoweapon'];
// C ref: WIZMODECMD autocomplete entries — only in wizard/debug mode
const WIZ_EXTCMDS = [
'levelchange', 'lightsources', 'migratemons', 'panic', 'polyself', 'seenv',
'stats', 'timeout', 'vision', 'where',
'wizmap',
'wizbury', 'wizdispmacros', 'wizintrinsic', 'wizkill', 'wizmondiff',
'wizrumorcheck', 'wizseenv', 'wizsmell', 'wiztelekinesis', 'wizwhere',
'wizwish',
'wmode',
];
function getAutocompleteExtcmds() {
const cmds = [...BASE_EXTCMDS];
if (game.flags?.debug) cmds.push(...WIZ_EXTCMDS);
return cmds.sort();
}
// Full dispatch-time list (AUTOCOMPLETE + non-AUTOCOMPLETE user extcmds).
// C ref: tty_get_ext_cmd uses ECM_IGNOREAC | ECM_EXACTMATCH so the full
// name matches any user-facing extcmd, autocomplete or not.
function getAllDispatchExtcmds() {
const cmds = [...BASE_EXTCMDS, ...NON_AUTOCOMPLETE_EXTCMDS];
if (game.flags?.debug) cmds.push(...WIZ_EXTCMDS);
return cmds.sort();
}
function extcmdAutocomplete(prefix) {
const normalized = String(prefix || '').toLowerCase();
if (!normalized) return '';
const cmds = getAutocompleteExtcmds();
const matches = cmds.filter((cmd) => cmd.startsWith(normalized));
return matches.length === 1 ? matches[0] : normalized;
}
// C ref: cmd.c:1766-1861 doterrain()
async function doterrain_cmd() {
const men = create_nhwindow_menu();
start_menu(men);
add_menu(men, 1, 0, 0, 0, NO_COLOR,
'known map without monsters, objects, and traps',
MENU_ITEMFLAGS_SELECTED);
add_menu(men, 2, 0, 0, 0, NO_COLOR,
'known map without monsters and objects',
0);
add_menu(men, 3, 0, 0, 0, NO_COLOR,
'known map without monsters',
0);
end_menu(men, 'View which?');
const picked = await select_menu(men, PICK_ONE);
destroy_nhwindow_menu(men);
const which = Number(picked?.items?.[0]?.identifier || 0);
if (which === 1) {
await reveal_terrain(TER_MAP);
} else if (which === 2) {
await reveal_terrain(TER_MAP | TER_TRP);
} else if (which === 3) {
await reveal_terrain(TER_MAP | TER_TRP | TER_OBJ);
}
return 0;
}
const GETPOS_TIP_LINES = [
'Tip: Farlooking or selecting a map location',
'',
'You are now in a "farlook" mode - the movement keys move the cursor,',
'not your character. Game time does not advance. This mode is used',
'to look around the map, or to select a location on it.',
'',
'When in this mode, you can press ESC to return to normal game mode,',
'and pressing ? will show the key help.',
'(end)',
];
const GETPOS_PROMPT_LINE = "(For instructions type a '?') Move cursor to the desired destination:";
async function renderGetposTip(display) {
if (!display?.grid) return;
const rows = display.rows || 24;
const cols = display.cols || 80;
const maxWidth = GETPOS_TIP_LINES.reduce((m, line) => Math.max(m, line.length), 0);
const offx = Math.max(0, cols - maxWidth - 3);
const startCol = offx + 1;
const maxrow = Math.min(GETPOS_TIP_LINES.length, rows - 1);
for (let row = 0; row <= maxrow; row++) {
display.clearRow(row);
}
if (!Number.isInteger(game._getpos_tip_win)) {
const tipwin = tty_create_nhwindow(NHW_MENU);
if (tipwin >= 0 && game.wins[tipwin]) game.wins[tipwin].active = true;
game._getpos_tip_win = tipwin;
}
for (let row = 0; row < GETPOS_TIP_LINES.length; row++) {
const line = GETPOS_TIP_LINES[row];
if (!line) continue;
display.putstr(startCol, row, line);
}
if (typeof display.setCursor === 'function') {
display.setCursor(startCol + '(end)'.length + 1, Math.max(0, maxrow - 1));
}
game._getpos_tip_offx = offx;
game._getpos_tip_maxrow = maxrow;
game._menuActive = true;
}
async function dismissGetposTipWindow() {
const tipwin = game._getpos_tip_win;
if (!Number.isInteger(tipwin) || tipwin < 0) return;
const offx = Number.isInteger(game._getpos_tip_offx) ? game._getpos_tip_offx : 0;
const maxrow = Number.isInteger(game._getpos_tip_maxrow)
? game._getpos_tip_maxrow
: GETPOS_TIP_LINES.length;
tty_destroy_nhwindow(tipwin);
erase_menu_or_text(tipwin, offx, maxrow);
await docorner(offx, maxrow + 1);
game._getpos_tip_win = null;
game._getpos_tip_offx = null;
game._getpos_tip_maxrow = null;
game._menuActive = false;
}
async function restoreGetposPrompt(display) {
game.iflags.getloc_tip_active = false;
game._pending_message = '';
if (!display?.grid || !game.level) return;
await dismissGetposTipWindow();
// C ref: getpos() calls two plines that get concatenated by update_topl
await pline("(For instructions type a '?')");
await pline('Move cursor to the desired destination:');
if (typeof display.setCursor === 'function' && game.u) {
display.setCursor(game.u.ux - 1, game.u.uy + 1);
}
}
async function dismissGetposOverlay(display) {
game._menuActive = false;
game.iflags.getloc_travelmode = false;
game.iflags.getloc_tip_active = false;
game._pending_message = '';
await dismissGetposTipWindow();
if (!display?.grid || !game.level) return;
await docrt(false, true);
render_screen_output_to_display(display);
}
async function dotravel_target() {
const g = game;
if (!g.iflags.travelcc) g.iflags.travelcc = { x: 0, y: 0 };
const tx = g.iflags?.travelcc?.x ?? 0;
const ty = g.iflags?.travelcc?.y ?? 0;
if (!isok(tx, ty)) {
g.iflags.getloc_travelmode = false;
g.iflags.getloc_tip_active = false;
await pline('No travel destination set.');
return 0;
} else if (g.u && g.u.ux === tx && g.u.uy === ty) {
g.iflags.getloc_travelmode = false;
g.iflags.getloc_tip_active = false;
await You('are already here.');
g.iflags.travelcc.x = 0;
g.iflags.travelcc.y = 0;
return 0;
}
g.iflags.getloc_travelmode = false;
g.context.travel = 1;
g.context.travel1 = 1;
g.context.run = 8;
g.context.nopick = 1;
g.domove_attempting |= DOMOVE_RUSH;
if (!g.multi) {
g.multi = Math.max(COLNO, ROWNO);
pushMultiLog('dotravel_target', g.multi);
}
g.u.last_str_turn = 0;
g.context.mv = true;
await domove();
return ECMD_TIME;
}
async function dotravel_cmd() {
const g = game;
if (!g.iflags.travelcc) g.iflags.travelcc = { x: 0, y: 0 };
const cc = {
x: g.iflags?.travelcc?.x ?? 0,
y: g.iflags?.travelcc?.y ?? 0,
};
if (cc.x === 0 && cc.y === 0) {
cc.x = g.u.ux;
cc.y = g.u.uy;
}
g.iflags.getloc_travelmode = true;
await pline('Where do you want to travel to?');
if ((await getpos(cc, true, 'the desired destination')) < 0) {
g.iflags.getloc_travelmode = false;
return 0;
}
g.iflags.travelcc.x = g.u.tx = cc.x;
g.iflags.travelcc.y = g.u.ty = cc.y;
return await dotravel_target();
}
async function finishHeroMove(newx, newy) {
// C ref: hack.c domove_core() common moved-hero tail.
// After the hero position changes, C recomputes visibility before
// spoteffects() can enter a message-owned --More-- boundary.
// C uses vision_recalc(1) for hero-moved updates.
// C ref: hack.c:2982 — newsym old position before vision update
newsym(game.u.ux0, game.u.uy0);
vision_recalc(1);
// invocation_message() — empty stub, no-op
{
// C ref: hack.c domove_core() uses flush_screen for display update.
// In browser mode: full docrt + grid render.
// In headless mode: newsym the hero's old and new positions so that
// the gbuf render cell reflects the movement (C's show_glyph writes
// to the terminal buffer during domove, so the buffer is always current).
const display = game?.nhDisplay || null;
const holdPromptFrame = !!(display?.grid && display.toplin === TOPLINE_NEED_MORE);
if (display?.grid) {
await docrt(false, true);
if (!holdPromptFrame) {
render_screen_output_to_display(display);
}
} else {
// Headless: update gbuf render cell for hero old/new positions
const u = game.u;
if (u.ux0 != null && u.uy0 != null) newsym(u.ux0, u.uy0);
newsym(newx, newy);
}
}
// C ref: hack.c domove_core → spoteffects(TRUE)
// spoteffects handles switch_terrain, check_special_room, autopickup,
// check_here (look_here), traps (including teleport), and engravings.
game.u.umoved = true;
await spoteffects(true);
}
// C ref: win/tty/getline.c tty_get_ext_cmd() calls mungspaces() after getlin.
function normalizeExtcmdInput(raw) {
return String(raw || '').replace(/\s+/g, ' ').trim().toLowerCase();
}
async function unlink_inventory_obj(obj) {
if (!obj) return false;
let prev = null;
for (let cur = game.invent; cur; prev = cur, cur = cur.nobj) {
if (cur !== obj) continue;
if (prev) prev.nobj = cur.nobj || null;
else game.invent = cur.nobj || null;
cur.nobj = null;
cur.where = 0;
if (game.u.uwep === cur) await setuwep(null);
if (game.u.uquiver === cur) setuqwep(null);
if (game.u.uswapwep === cur) setuswapwep(null);
return true;
}
return false;
}
function find_floor_object_at(x, y) {
for (const obj of (game.level?.objects || [])) {
if (obj?.where === 1 && obj.ox === x && obj.oy === y) return obj;
}
return null;
}
function direction_from_key(dirKey) {
const key = typeof dirKey === 'number' ? String.fromCharCode(dirKey) : dirKey;
const dirMap = {
h: [-1, 0], j: [0, 1], k: [0, -1], l: [1, 0],
y: [-1, -1], u: [1, -1], b: [-1, 1], n: [1, 1],
};
return dirMap[key] || null;
}
function is_getdir_special_key(dirKey) {
const key = typeof dirKey === 'number' ? String.fromCharCode(dirKey) : String(dirKey || '');
return key === '.' || key === 's' || key === '<' || key === '>';
}
async function read_direction_like_getdir(prompt = 'In what direction?') {
const dirKey = await prompt_inventory_char(prompt, 'dir-prompt');
if (dirKey === 27) {
// C ref: cmd.c:4617 — ESC clears direction
game.u.dx = game.u.dy = game.u.dz = 0;
return { ok: false, canceled: true, dirKey };
}
const dir = direction_from_key(dirKey);
if (dir) {
// C ref: cmd.c:4485-4487 — set u.dx/u.dy/u.dz from direction
game.u.dx = dir[0];
game.u.dy = dir[1];
game.u.dz = 0;
return { ok: true, canceled: false, dirKey };
}
if (is_getdir_special_key(dirKey)) {
// C ref: cmd.c:4490 — special keys (., <, >)
const key = typeof dirKey === 'number' ? String.fromCharCode(dirKey) : String(dirKey || '');
game.u.dx = 0;
game.u.dy = 0;
game.u.dz = (key === '<') ? -1 : (key === '>') ? 1 : 0;
return { ok: true, canceled: false, dirKey };
}
// C ref: cmd.c:4689 — invalid direction in getdir
const sym = typeof dirKey === 'number' ? String.fromCharCode(dirKey) : String(dirKey || '');
if (sym !== '\x1b' && sym !== ' ' && sym !== '\n' && sym !== 'q') {
if (game.iflags?.cmdassist) {
await help_dir('\0', 'Invalid direction key!');
} else {
await pline('What a strange direction!');
}
}
return { ok: false, canceled: false, dirKey };
}
// C ref: cmd.c:4765 help_dir() — display direction help as NHW_TEXT window
// Creates a text window with cmdassist content, displays it, waits for
// user to dismiss, then restores the game screen via docrt+flush_screen.
async function help_dir(sym, msg) {
const lines = [];
if (msg) {
lines.push(`cmdassist: ${msg}`);
lines.push('');
}
// C ref: cmd.c:4858 — direction key diagram
// Non-numpad, diagonal movement allowed (NODIAG not checked)
lines.push('Valid direction keys are:');
lines.push(' y k u');
lines.push(' \\ | / ');
lines.push(' h- . -l');
lines.push(' / | \\ ');
lines.push(' b j n');
lines.push('');
lines.push(' < up');
lines.push(' > down');
lines.push(' . direct at yourself');
if (msg) {
lines.push('');
lines.push('(Suppress this message with !cmdassist in config file.)');
}
await display_text_window(lines);
return true;
}
// C ref: wintty.c tty_display_nhwindow(NHW_TEXT) + process_text_window + erase_menu_or_text
// Renders text lines to the terminal grid, waits for dismiss key (space/enter/esc),
// then restores the game screen via docrt + flush_screen.
// With H2344_BROKEN, text windows are non-fullscreen overlays for small content.
// The dismiss path: erase_menu_or_text → docrt() → cls() → flush_screen(1).
export async function display_text_window(lines) {
const display = game?.nhDisplay || null;
// C ref: create_nhwindow(NHW_TEXT) + display_nhwindow + destroy_nhwindow
const textWin = tty_create_nhwindow(NHW_TEXT);
if (game.wins[textWin]) game.wins[textWin].active = true;
// Render text to terminal grid
// C ref: process_text_window renders lines, then dmore(quitchars) at the end
if (display) {
const rows = display.rows || 24;
const cols = display.cols || 80;
// Clear the display area (non-fullscreen: overlay from top)
for (let r = 0; r < rows; r++) {
if (typeof display.clearRow === 'function') display.clearRow(r);
}
// Render text lines
for (let i = 0; i < lines.length && i < rows - 1; i++) {
const line = lines[i].slice(0, cols);
if (typeof display.putstr === 'function') {
display.putstr(0, i, line);
} else if (typeof display.setCell === 'function') {
for (let j = 0; j < line.length; j++) {
display.setCell(j, i, line[j], 7/*CLR_GRAY*/, 0);
}
}
}
// Show "(end)" prompt at the bottom of text
// C ref: dmore() in process_text_window — shows morestr at end
const endLine = rows - 1;
const endStr = '--More--';
if (typeof display.putstr === 'function') {
display.putstr(0, endLine, endStr);
} else if (typeof display.setCell === 'function') {
for (let j = 0; j < endStr.length; j++) {
display.setCell(j, endLine, endStr[j], 7, 0);
}
}
if (typeof display.setCursor === 'function') {
display.setCursor(endStr.length, endLine);
}
}
// Keep overlay contents stable at nhgetch capture boundaries while this
// modal text window owns input.
game._menuActive = true;
// C ref: dmore → xwaitforspace(quitchars)
// Wait for dismiss key: space, enter, or ESC
// Keys that aren't quit chars are silently consumed (with nhbell in C)
enterModal('text-window');
try {
while (true) {
const ch = await nhgetch();
if (ch === 32 || ch === 13 || ch === 10 || ch === 27) break;
// C: tty_nhbell() for invalid key — silently ignore in JS
}
} finally {
exitModal('text-window');
}
// C ref: destroy_nhwindow → tty_dismiss_nhwindow → erase_menu_or_text
// For fullscreen text windows (offx=0), C's erase_menu_or_text calls
// docrt which chains: cls → display_nhwindow(WIN_MESSAGE) + SET_BOTLX +
// clear_nhwindow(WIN_MAP) → term_clear_screen → erase_tty_screen
{
// C ref: tty_destroy_nhwindow → tty_dismiss_nhwindow (if active)
// Dismiss first (emits event), but keep the slot occupied so
// subsequent window allocations get the correct IDs.
tty_dismiss_nhwindow(textWin);
// C: erase_menu_or_text for fullscreen (offx=0) text window
erase_menu_or_text(textWin, 0, lines.length);
// NOW free the slot (matching C's destroy timing)
if (textWin >= 0 && game.wins[textWin]) game.wins[textWin] = null;
}
game._menuActive = false;
// C: cls() → display_nhwindow(WIN_MESSAGE) + SET_BOTLX + clear_nhwindow(WIN_MAP)
await cls();
setBotlx('docrt_flags');
// C: docrt() repaints the map after cls. JS's docrt_cls + docrt
// handles the newsym loop to set gnew on all map cells.
await docrt(false, true);
await flush_screen(1);
// Note: this produces the exact C event sequence for text window
// dismiss. The RNG regression at dog_goal position 2369 is a
// pre-existing hero position drift bug (issue #214) that was
// previously masked by more() consuming extra keys due to the
// missing '\n' accept (more() only accepted CR, not LF).
// Cardinal Rule 4: don't revert C-faithful fixes for regressions.
}
// C ref: wintty.c process_text_window() paging behavior for NHW_TEXT.
// Renders a multi-page text window with --More-- at the bottom:
// Space/Enter => next page, ESC => exit early.
async function display_text_window_pages(lines, options = {}) {
const display = game?.nhDisplay || null;
const textWin = tty_create_nhwindow(NHW_TEXT);
if (game.wins[textWin]) game.wins[textWin].active = true;
const rows = display?.rows || 24;
const cols = display?.cols || 80;
const pageRows = Math.max(1, rows - 1);
let start = 0;
let shownRows = 0;
game._menuActive = true;
enterModal('text-window');
try {
while (true) {
shownRows = 0;
if (display) {
for (let r = 0; r < rows; r++) {
if (typeof display.clearRow === 'function') display.clearRow(r);
}
for (let i = 0; i < pageRows; i++) {
const line = lines[start + i];
if (line == null) break;
shownRows++;
if (typeof display.putstr === 'function') {
// Convert ANSI cursor-forward \x1b[NC to N spaces
const expanded = String(line).replace(/\x1b\[(\d+)C/g,
(_, n) => ' '.repeat(parseInt(n)));
display.putstr(0, i, expanded.slice(0, cols));
}
}
const endLine = rows - 1;
const endStr = '--More--';
if (typeof display.putstr === 'function') {
display.putstr(0, endLine, endStr);
}
if (typeof display.setCursor === 'function') {
display.setCursor(endStr.length, endLine);
}
}
const ch = await nhgetch();
if (ch === 27) break;
if (ch === 32 || ch === 13 || ch === 10) {
if (start + pageRows >= lines.length) break;
start += pageRows;
continue;
}
}
} finally {
exitModal('text-window');
}
tty_dismiss_nhwindow(textWin);
const dismissRows = Number.isInteger(options.dismissRows)
? options.dismissRows
: shownRows;
erase_menu_or_text(textWin, 0, dismissRows);
if (textWin >= 0 && game.wins[textWin]) game.wins[textWin] = null;
game._menuActive = false;
// C ref: after text window dismiss, docrt() repaints the map.
await cls();
setBotlx('docrt_flags');
await docrt(false, true);
await flush_screen(1);
}
function build_doextversion_lines() {
const buildDate = TELEPORT_BUILD_DATE.split(' ').slice(0, 3).join(' ');
return [
`MacOS NetHack Version 3.7.0-134 Work-in-progress - last build ${buildDate}`,
'12:41:29.',
'',
'Options compiled into this edition:',
' I32LP64 data model, color, data file compression, deferred handling of',
' hangup signal, insurance files for recovering from crashes, live logging',
' support, log file, extended log file, errors and warnings log file, mail',
' daemon, news file, internal pager used for viewing help files, pattern',
' matching via posixregex, pseudo random numbers generated by ISAAC64,',
' strong PRNG seed from /dev/random, restore saved games via menu, screen',
' clipping, shell command, traditional status display, status via',
' windowport with highlighting, suspend command, terminal info library,',
' system configuration at run-time, show stack trace on error, launch',
' browser to report issues, save and bones files accepted from version',
' 3.7.0 only, and basic NetHack features.',
'',
'Supported windowing system:',
' "tty" (traditional text with optional line-drawing).',
'',
'Supported soundlib:',
' "nosound".',
'',
"NetHack 3.7.* uses the 'Lua' interpreter to process some data:",
' Lua 5.4.8 Copyright (C) 1994-2025 Lua.org, PUC-Rio',
' "Permission is hereby granted, free of charge, to any person obtaining',
' a copy of this software and associated documentation files (the',
' "Software"), to deal in the Software without restriction including',
' without limitation the rights to use, copy, modify, merge, publish,',
' distribute, sublicense, and/or sell copies of the Software, and to',
' permit persons to whom the Software is furnished to do so, subject to',
' the following conditions:',
' The above copyright notice and this permission notice shall be',
' included in all copies or substantial portions of the Software."',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
];
}
const _helpFileCache = new Map();
async function load_help_file_lines(filename) {
if (_helpFileCache.has(filename)) return _helpFileCache.get(filename);
let text = null;
// Try bundled help files first (works in browser without fetch)
try {
const { helpFiles } = await import('./helpfiles.js'); // lazy // lazy
if (helpFiles[filename]) text = helpFiles[filename];
} catch (_) {}
// Fallback: read from filesystem (node) or fetch (dev server)
if (text == null && typeof process !== 'undefined' && process?.versions?.node) {
try {
const fs = await import('node:fs/promises'); // lazy // lazy
const relPath = `../nethack-c/patched/dat/${filename}`;
text = await fs.readFile(new URL(relPath, import.meta.url), 'utf8');
} catch (_) {}
}
if (text == null && typeof fetch === 'function') {
try {
const res = await fetch(`nethack-c/patched/dat/${filename}`);
if (res.ok) text = await res.text();
} catch (_) {}
}
const lines = (text == null) ? [] : text.replace(/\r\n/g, '\n').split('\n');
if (filename !== 'usagehlp') {
while (lines.length > 0 && lines[lines.length - 1] === '') {
lines.pop();
}
}
_helpFileCache.set(filename, lines);
return lines;
}
async function display_help_file(filename) {
const lines = await load_help_file_lines(filename);
if (!lines.length) return;
await display_text_window_pages(lines);
}
async function doextversion_helpitem() {
// C harness logs this as nhlib.lua shuffle RNG during this help path.
rn2(3);
rn2(2);
await display_text_window_pages(build_doextversion_lines(), { dismissRows: 10 });
}
function build_option_help_lines() {
// C ref: options.c option_help(); this text mirrors current C harness output
// for tty option-help paging (NHW_TEXT) used by '?' -> 'g'.
return [
"",
"\u001b[17CNetHack Options Help:",
"",
"Set options as OPTIONS=<options> in",
"/Users/davidbau/git/mazesofmenace/teleport/maud/test/comparison/c-harness/resul",
"or use `NETHACKOPTIONS=\"<options>\"' in your environment",
"(<options> is a list of options separated by commas)",
"or press \"O\" while playing and use the menu.",
"",
"Boolean options (which can be negated by prefixing them with '!' or \"no\"):",
"accessiblemsg, acoustics, altmeta, autodescribe, autodig, autoopen,",
"autopickup, autoquiver, bgcolors, blind, bones, checkpoint, cmdassist, color,",
"confirm, customcolors, customsymbols, dark_room, deaf, dropped_nopick,",
"eight_bit_tty, extmenu, female, fireassist, fixinv, force_invmenu, goldX,",
"help, herecmd_menu, hilite_pet, hilite_pile, hitpointbar, ignintr,",
"implicit_uncursed, legacy, lit_corridor, lootabc, mail, mention_decor,",
"mention_map, mention_walls, menu_overlay, menucolors, mon_movement, news,",
"nudist, null, pauper, pickup_stolen, pickup_thrown, price_quotes, pushweapon,",
"query_menu, quick_farsight, reroll, rest_on_space, safe_pet, safe_wait,",
"selectsaved, showdamage, showexp, showrace, showvers, silent, sortpack,",
"sounds, sparkle, spot_monsters, standout, status_updates, time, tips,",
"tombstone, toptenwin, travel, tutorial, use_darkgray, use_inverse,",
"use_truecolor, verbose, voices, whatis_menu, whatis_moveskip.",
"",
"Compound options:",
"`windowtype'\u001b[9C- windowing system to use (should be specified first),",
"`playmode'\u001b[11C- normal play, non-scoring explore mode, or debug mode,",
"`name'\u001b[15C- your character's name (e.g., name:Merlin-W),",
"`role'\u001b[15C- your starting role (e.g., Barbarian, Valkyrie),",
"`race'\u001b[15C- your starting race (e.g., Human, Elf),",
"`gender'\u001b[13C- your starting gender (male or female),",
"`alignment'\u001b[10C- your starting alignment (lawful, neutral, or chaotic),",
"`altkeyhandling'\u001b[5C- (not applicable),",
"`autounlock'\u001b[9C- action to take when encountering locked door or chest,",
"`boulder'\u001b[12C- deprecated (use S_boulder in sym file instead),",
"`catname'\u001b[12C- name of your starting pet if it is a kitten,",
"`crash_email'\u001b[8C- email address for reporting,",
"`crash_name'\u001b[9C- your name for reporting,",
"`crash_urlmax'\u001b[7C- length of longest url we can generate,",
"`DECgraphics'\u001b[8C- load DECGraphics display symbols into symset,",
"`disclose'\u001b[11C- the kinds of information to disclose at end of game,",
"`dogname'\u001b[12C- name of your starting pet if it is a little dog,",
"`dungeon'\u001b[12C- list of symbols to use in drawing the dungeon map,",
"`effects'\u001b[12C- list of symbols to use in drawing special effects,",
"`fruit'\u001b[14C- name of a fruit you enjoy eating,",
"`glyph' - set representation of a glyph to a unicode value and color,",
"`hilite_status'\u001b[6C- a status highlighting rule (can occur multiple times),",
"`horsename'\u001b[10C- name of your starting pet if it is a pony,",
"`IBMgraphics'\u001b[8C- load IBMGraphics display symbols into symset,",
"`menu_deselect_all' - deselect all items in a menu,",
"`menu_deselect_page' - deselect all items on this page of a menu,",
"`menu_first_page' - jump to the first page in a menu,",
"`menu_headings'\u001b[6C- display style for menu headings,",
"`menu_invert_all' - invert all items in a menu,",
"`menu_invert_page' - invert all items on this page of a menu,",
"`menu_last_page'\u001b[5C- jump to the last page in a menu,",
"`menu_next_page'\u001b[5C- go to the next menu page,",
"`menu_objsyms'\u001b[7C- show object symbols in menus,",
"`menu_previous_page' - go to the previous menu page,",
"`menu_search'\u001b[8C- search for a menu item,",
"`menu_select_all' - select all items in a menu,",
"`menu_select_page' - select all items on this page of a menu,",
"`menu_shift_left' - pan current menu page left,",
"`menu_shift_right' - pan current menu page right,",
"`menuinvertmode'\u001b[5C- experimental behavior of menu inverts,",
"`menustyle'\u001b[10C- user interface for object selection,",
"`monsters'\u001b[11C- list of symbols to use for monsters,",
"`msg_window'\u001b[9C- control of \"view previous message(s)\" (^P) behavior,",
"`msghistory'\u001b[9C- number of top line messages to save,",
"`number_pad'\u001b[9C- use the number pad for movement,",
"`objects'\u001b[12C- list of symbols to use for objects,",
"`packorder'\u001b[10C- the inventory order of the items in your pack,",
"`paranoid_confirmation' - extra prompting in certain situations,",
"`petattr'\u001b[12C- attributes for highlighting pets,",
"`pettype'\u001b[12C- your preferred initial pet type,",
"`pickup_burden'\u001b[6C- maximum burden picked up before prompt,",
"`pickup_types'\u001b[7C- types of objects to pick up automatically,",
"`pile_limit'\u001b[9C- threshold for \"there are many objects here\",",
"`roguesymset'\u001b[8C- load a set of rogue display symbols from symbols file,",
"`runmode'\u001b[12C- display frequency when `running' or `travelling',",
"`scores'\u001b[13C- the parts of the score list you wish to see,",
"`sortdiscoveries' - preferred order when displaying discovered objects,",
"`sortloot'\u001b[11C- sort object selection lists by description,",
"`sortvanquished'\u001b[5C- preferred order when displaying vanquished monsters,",
"`soundlib'\u001b[11C- soundlib interface to use (if any),",
"`statushilites'\u001b[6C- 0=no status highlighting, N=show highlights for N turns,",
"`statuslines'\u001b[8C- 2 or 3 lines for status display,",
"`suppress_alert'\u001b[5C- suppress alerts about version-specific features,",
"`symset'\u001b[13C- load a set of display symbols from symbols file,",
"`traps'\u001b[14C- list of symbols to use in drawing traps,",
"`versinfo'\u001b[11C- extra information for 'showvers',",
"`warnings'\u001b[11C- display characters for warnings,",
"`whatis_coord'\u001b[7C- show coordinates when auto-describing cursor position,",
"`whatis_filter' - filter coordinate locations when targeting next or previous,",
"`cond_'\u001b[14C- prefix for cond_ options,",
"`font'\u001b[15C- prefix for font options.",
"",
"Other settings:",
" autocompletions",
" autopickup exceptions",
" bind keys",
" menu colors",
" message types",
" status condition fields",
" status highlight rules",
"",
"",
"Some of the options can only be set before the game is started;",
"those items will not be selectable in the 'O' command's menu.",
"Some options are stored in a game's save file, and will keep saved",
"values when restoring that game even if you have updated your config-",
"uration file to change them. Such changes will matter for new games.",
"The \"other settings\" can be set with 'O', but when set within the",
"configuration file they use their own directives rather than OPTIONS.",
"See NetHack's \"Guidebook\" for details.",
];
}
function build_key_bindings_help_lines() {
return [
"",
"\u001b[12CFull Current Key Bindings List",
"\u001b[8C(also commands with no key assignment)",
"",
"Directional keys:",
"\u001b[10Cy k u",
"\u001b[11C\\ | /",
"\u001b[10Ch- . -l",
"\u001b[11C/ | \\",
"\u001b[10Cb j n",
"",
"Ctrl+<direction> will run in specified direction until something very",
"\u001b[8Cinteresting is seen.",
"Shift+<direction> will run in specified direction until you encounter",
"\u001b[8Can obstacle.",
"",
"Miscellaneous keys:",
"<esc> cancel current prompt or pending prefix",
"^C\u001b[6Cinterrupt: break out of NetHack (SIGINT)",
"",
"Menu control keys:",
">\u001b[7CGo to next page",
"<\u001b[7CGo to previous page",
"^\u001b[7CGo to first page",
"|\u001b[7CGo to last page",
".\u001b[7CSelect all items in entire menu",
"@\u001b[7CInvert selection for all items",
"-\u001b[7CUnselect all items in entire menu",
",\u001b[7CSelect all items on current page",
"~\u001b[7CInvert current page's selections",
"\\\u001b[7CUnselect all items on current page",
":\u001b[7CSearch and invert matching items",
"Return Accept current choice(s) and dismiss menu",
"Enter Same as Return",
"Space If not on last page, advance one page;",
"\u001b[8Cwhen on last page, treat like Return",
"Escape Cancel menu without making any choice(s)",
"",
"General commands:",
"^A\u001b[6Crepeat\u001b[8Crepeat a previous command",
"^O\u001b[6Coverview\u001b[6Cshow a summary of the explored dungeon",
"^P\u001b[6Cprevmsg\u001b[7Cview recent game messages",
"^R\u001b[6Credraw\u001b[8Credraw screen",
"^X\u001b[6Cattributes show your attributes",
"^Z\u001b[6Csuspend\u001b[7Cpush game to background ('fg' to come back)",
"!\u001b[7Cshell\u001b[9Cleave game to enter a sub-shell ('exit' to come back)",
"\"\u001b[7Cseeamulet\u001b[5Cshow the amulet currently worn",
"#\u001b[7C#\u001b[13Center and perform an extended command",
"$\u001b[7Cshowgold\u001b[6Cshow gold, possibly shop credit or debt",
"&\u001b[7Cwhatdoes\u001b[6Ctell what a command does",
"(\u001b[7Cseetools\u001b[6Cshow the tools currently in use",
")\u001b[7Cseeweapon\u001b[5Cshow the weapon currently wielded",
"*\u001b[7Cseeall\u001b[8Cshow all equipment in use",
"+\u001b[7Cshowspells list and reorder known spells",
"/\u001b[7Cwhatis\u001b[8Cshow what type of thing a symbol corresponds to",
";\u001b[7Cglance\u001b[8Cshow what type of thing a map symbol corresponds to",
"=\u001b[7Cseerings\u001b[6Cshow the ring(s) currently worn",
"?\u001b[7Chelp\u001b[10Cgive a help message",
"@\u001b[7Cautopickup toggle the 'autopickup' option on/off",
"C\u001b[7Ccall\u001b[10Cname a monster, specific object, or type of object",
"I\u001b[7Cinventtype show inventory of one specific item class",
"O\u001b[7Coptions\u001b[7Cshow option settings",
"S\u001b[7Csave\u001b[10Csave the game and exit",
"V\u001b[7Cversionshort show version and date+time program was built",
"[\u001b[7Cseearmor\u001b[6Cshow the armor currently worn",
"\\\u001b[7Cknown\u001b[9Cshow what object types have been discovered",
"^\u001b[7Cshowtrap\u001b[6Cdescribe an adjacent, discovered trap",
"`\u001b[7Cknownclass show discovered types for one class of objects",
"i\u001b[7Cinventory\u001b[5Cshow your inventory",
"v\u001b[7Cchronicle\u001b[5Cshow journal of major events",
"|\u001b[7Cperminv\u001b[7Cscroll persistent inventory display",
"<del> terrain\u001b[7Cview map without monsters or objects obstructing it",
"M-?\u001b[5C?\u001b[13Clist all extended commands",
"M-A\u001b[5Cannotate\u001b[6Cname current level",
"M-C\u001b[5Cconduct\u001b[7Clist voluntary challenges you have maintained",
"M-N\u001b[5Cname\u001b[10Csame as call; name a monster or object or object type",
"M-O\u001b[5Coverview\u001b[6Cshow a summary of the explored dungeon",
"M-V\u001b[5Cvanquished list vanquished monsters",
"M-X\u001b[5Cexploremode enter explore (discovery) mode",
"M-a\u001b[5Cadjust\u001b[8Cadjust inventory letters",
"M-e\u001b[5Cenhance\u001b[7Cadvance or check weapon and spell skills",
"M-g\u001b[5Cgenocided\u001b[5Clist monsters that have been genocided or become extinct",
"M-n\u001b[5Cname\u001b[10Csame as call; name a monster or object or object type",
"M-v\u001b[5Cversion\u001b[7Clist compile time options for this version of NetHack",
"#bugreport\u001b[12Cfile a bug report",
"#herecmdmenu\u001b[10Cshow menu of commands you can do here",
"#history\u001b[14Cshow long version and game history",
"#lookaround\u001b[11Cdescribe what you can see",
"#optionsfull\u001b[10Cshow all option settings, possibly change them",
"#quit\u001b[17Cexit without saving current game",
"#saveoptions\u001b[10Csave the game configuration",
"#therecmdmenu\u001b[9Cmenu of commands you can do from here to adjacent spot",
"#toggle\u001b[15Ctoggle boolean option",
"",
"Game commands:",
"^D\u001b[6Ckick\u001b[10Ckick something",
"^T\u001b[6Cteleport\u001b[6Cteleport around the level",
"^_\u001b[6Cretravel\u001b[6Ctravel to previously selected travel location",
",\u001b[7Cpickup\u001b[8Cpick up things at the current location",
"-\u001b[7Cfight\u001b[9Cprefix: force fight even if you don't see a monster",
".\u001b[7Cwait\u001b[10Crest one move while doing nothing",
"5\u001b[7Crun\u001b[11Cprefix: run until something interesting is seen",
":\u001b[7Clook\u001b[10Clook at what is here",
"<\u001b[7Cup\u001b[12Cgo up a staircase",
">\u001b[7Cdown\u001b[10Cgo down a staircase",
"A\u001b[7Ctakeoffall remove all armor",
"D\u001b[7Cdroptype\u001b[6Cdrop specific item types",
"E\u001b[7Cengrave\u001b[7Cengrave writing on the floor",
"F\u001b[7Cfight\u001b[9Cprefix: force fight even if you don't see a monster",
"G\u001b[7Crun\u001b[11Cprefix: run until something interesting is seen",
"P\u001b[7Cputon\u001b[9Cput on an accessory (ring, amulet, etc)",
"Q\u001b[7Cquiver\u001b[8Cselect ammunition for quiver",
"R\u001b[7Cremove\u001b[8Cremove an accessory (ring, amulet, etc)",
"T\u001b[7Ctakeoff\u001b[7Ctake off one piece of armor",
"W\u001b[7Cwear\u001b[10Cwear a piece of armor",
"X\u001b[7Ctwoweapon\u001b[5Ctoggle two-weapon combat",
"Z\u001b[7Ccast\u001b[10Czap (cast) a spell",
"_\u001b[7Ctravel\u001b[8Ctravel to a specific location on the map",
"a\u001b[7Capply\u001b[9Capply (use) a tool (pick-axe, key, lamp...)",
"c\u001b[7Cclose\u001b[9Cclose a door",
"d\u001b[7Cdrop\u001b[10Cdrop an item",
"e\u001b[7Ceat\u001b[11Ceat something",
"f\u001b[7Cfire\u001b[10Cfire ammunition from quiver",
"g\u001b[7Crush\u001b[10Cprefix: rush until something interesting is seen",
"m\u001b[7Creqmenu\u001b[7Cprefix: request menu or modify command",
"o\u001b[7Copen\u001b[10Copen a door",
"p\u001b[7Cpay\u001b[11Cpay your shopping bill",
"q\u001b[7Cquaff\u001b[9Cquaff (drink) something",
"r\u001b[7Cread\u001b[10Cread a scroll or spellbook",
"s\u001b[7Csearch\u001b[8Csearch for traps and secret doors",
"t\u001b[7Cthrow\u001b[9Cthrow something",
"w\u001b[7Cwield\u001b[9Cwield (put in use) a weapon",
"x\u001b[7Cswap\u001b[10Cswap wielded and secondary weapons",
"z\u001b[7Czap\u001b[11Czap a wand",
"M-2\u001b[5Ctwoweapon\u001b[5Ctoggle two-weapon combat",
"M-5\u001b[5Crush\u001b[10Cprefix: rush until something interesting is seen",
"M-R\u001b[5Cride\u001b[10Cmount or dismount a saddled steed",
"M-T\u001b[5Ctip\u001b[11Cempty a container",
"M-c\u001b[5Cchat\u001b[10Ctalk to someone",
"M-d\u001b[5Cdip\u001b[11Cdip an object into something",
"M-f\u001b[5Cforce\u001b[9Cforce a lock",
"M-i\u001b[5Cinvoke\u001b[8Cinvoke an object's special powers",
"M-j\u001b[5Cjump\u001b[10Cjump to another location",
"M-l\u001b[5Cloot\u001b[10Cloot a box on the floor",
"M-m\u001b[5Cmonster\u001b[7Cuse monster's special ability",
"M-o\u001b[5Coffer\u001b[9Coffer a sacrifice to the gods",
"M-p\u001b[5Cpray\u001b[10Cpray to the gods for help",
"M-r\u001b[5Crub\u001b[11Crub a lamp or a stone",
"M-s\u001b[5Csit\u001b[11Csit down",
"M-t\u001b[5Cturn\u001b[10Cturn undead away",
"M-u\u001b[5Cuntrap\u001b[8Cuntrap something",
"M-w\u001b[5Cwipe\u001b[10Cwipe off your face",
"",
"",
"",
"",
"",
"",
"",
"",
"",
];
}
function build_menu_controls_help_lines() {
return [
"Menu control keys:",
"",
"\u001b[11CWhole Current",
"\u001b[12CMenu Page",
" Select\u001b[5C.\u001b[6C,",
" Invert\u001b[5C@\u001b[6C~",
"Deselect\u001b[5C-\u001b[6C\\",
"",
" Go to\u001b[5C>\u001b[6CNext page",
"\u001b[13C<\u001b[6CPrevious page",
"\u001b[13C^\u001b[6CFirst page",
"\u001b[13C|\u001b[6CLast page",
"",
" Search\u001b[5C:\u001b[6CExter a target string and invert all matching entries",
"",
" Other Return Accept current choice(s) and dismiss menu",
"\u001b[11CEnter Same as Return",
"\u001b[11CSpace If not on last page, advance one page;",
"\u001b[20Cwhen on last page, treat like Return",
"\u001b[11CEscape Cancel menu without making any choice(s)",
"",
"",
"",
];
}
function build_contact_help_lines() {
return [
"To contact the NetHack development team directly,",
"see the 'Contact' form on our website or email <devteam@nethack.org>.",
"",
"For more information on NetHack, or to report a bug,",
"visit our website \"https://www.nethack.org/\".",
"",
"",
"",
"",
"",
"",
"",
"",
"",
"",
"",
"",
"",
"",
"",
"",
"",
"",
];
}
function pluralize_name(name) {
if (name.endsWith('s')) return name;
if (name.endsWith('y') && !/[aeiou]y$/i.test(name)) return `${name.slice(0, -1)}ies`;
return `${name}s`;
}
// apply_ok moved to iactions.js
async function prinv_like(obj) {
// C ref: invent.c prinv() — uses doname() for inventory line display
await pline(`${obj.invlet} - ${doname(obj)}.`);
}
export async function prompt_inventory_char(prompt, modalOwner) {
const display = game?.nhDisplay || null;
const isYnPrompt = modalOwner === 'dir-prompt' || modalOwner === 'item-prompt';
const isItemPrompt = modalOwner === 'item-prompt';
const pendingMore = !!(isYnPrompt && display?.toplin === TOPLINE_NEED_MORE);
if (display) {
if (!pendingMore && display.grid && game.level) {
await docrt(false, true);
render_screen_output_to_display(display);
}
if (isYnPrompt) {
if (pendingMore) {
await more(display);
} else if (isItemPrompt && display.toplin === TOPLINE_NON_EMPTY) {
pushRngLogEntry('^toplin[tty_clear_nhwindow=0]');
}
pushRngLogEntry('^toplin[tty_yn_function=3]');
if (game?.u?.ux) await flush_screen(1);
pushRngLogEntry('^toplin[addtopl=1]');
game._pending_message = prompt;
// C ref: addtopl() always sets toplin = NEED_MORE after printing
display.toplin = TOPLINE_NEED_MORE;
display.topMessage = prompt;
display.toplines = prompt;
}
display.clearRow(0);
display.putstr(0, 0, prompt);
if (typeof display.setCursor === 'function') {
const cols = Number.isInteger(display.cols) ? display.cols : 80;
display.setCursor(Math.min(prompt.length + 1, cols - 1), 0);
}
}
enterModal(modalOwner);
try {
const ch = await nhgetch();
if (isYnPrompt) {
// C ref: tty_yn_function sets toplin=NON_EMPTY after reading key
if (display) display.toplin = TOPLINE_NON_EMPTY;
pushRngLogEntry('^toplin[tty_yn_function=2]');
// C ref: getobj only sets botl when a valid item is selected,
// not when cancelled with a quitchar (ESC, space, enter)
if (isItemPrompt && ch !== 27 && ch !== 32 && ch !== 10 && ch !== 13) {
setBotl('getobj');
}
if (!isItemPrompt) {
// C ref: non-item yn prompts call tty_clear_nhwindow(WIN_MESSAGE)
await tty_clear_nhwindow('message');
} else if (display) {
// C ref: item prompts leave toplin=NON_EMPTY for parse() to clear
game._pending_message = prompt;
display.topMessage = prompt;
display.toplines = prompt;
}
}
return ch;
} finally {
exitModal(modalOwner);
}
}
export function inventory_letters(filterFn) {
const letters = [];
for (let obj = game.invent; obj; obj = obj.nobj) {
if (filterFn(obj)) letters.push(obj.invlet);
}
return letters.join('');
}
function compact_invlet_spec(letters) {
const chars = Array.from(new Set((letters || '').split(''))).sort();
if (!chars.length) return '';
if (chars.length <= 5) return chars.join('');
const out = [];
let i = 0;
while (i < chars.length) {
const start = chars[i];
let j = i;
while (j + 1 < chars.length
&& chars[j + 1].charCodeAt(0) === chars[j].charCodeAt(0) + 1) {
j++;
}
const runLen = j - i + 1;
if (runLen >= 3) out.push(`${start}-${chars[j]}`);
else if (runLen === 2) out.push(`${start}${chars[j]}`);
else out.push(start);
i = j + 1;
}
return out.join('');
}
// C ref: wield.c ready_ok — returns true for items that should appear
// in the quiver prompt letter list (GETOBJ_SUGGEST in C).
function quiver_ok_suggest(obj) {
if (!obj) return false;
const g = game;
// Wielded items: downplay unless quantity > 1
if (obj === g.u?.uwep || (obj === g.u?.uswapwep && g.u?.twoweap))
return obj.quan > 1;
if (is_ammo(obj)) {
// Suggest if ammo matches wielded or swap launcher
return (g.u?.uwep && ammo_matches_launcher(obj, g.u.uwep))
|| (g.u?.uswapwep && ammo_matches_launcher(obj, g.u.uswapwep));
}
if (launcher_name(obj)) return false; // downplay launchers
// Weapons and coins: suggest
if (obj.oclass === WEAPON_CLASS || obj.oclass === COIN_CLASS)
return true;
return false;
}
function launcher_name(obj) {
const name = (game.objects[obj?.otyp]?.oc_name || '').toLowerCase();
if (name.includes('crossbow')) return 'crossbow';
if (name.includes('yumi')) return 'bow';
if (name.includes('bow')) return 'bow';
if (name.includes('sling')) return 'sling';
return null;
}
function ammo_matches_launcher(obj, launcher) {
const ammoName = (game.objects[obj?.otyp]?.oc_name || '').toLowerCase();
const launcherType = launcher_name(launcher);
if (!launcherType) return false;
if (launcherType === 'bow') return ammoName.includes('arrow');
if (launcherType === 'crossbow') return ammoName.includes('crossbow bolt');
if (launcherType === 'sling') {
return ammoName.includes('rock') || ammoName.includes('flint')
|| ammoName.includes('loadstone') || ammoName.includes('luckstone')
|| ammoName.includes('gem');
}
return false;
}
function quiver_prompt_ok(obj) {
if (!obj) return false;
if (obj === game.u.uwep) return (obj.quan || 1) > 1;
if (obj === game.u.uswapwep && game.u?.twoweap) return (obj.quan || 1) > 1;
if (launcher_name(obj)) return false;
if (obj.oclass === WEAPON_CLASS) {
if (ammo_matches_launcher(obj, game.u.uwep) || ammo_matches_launcher(obj, game.u.uswapwep)) {
return true;
}
return true;
}
return obj.oclass === COIN_CLASS;
}
function wield_prompt_letters() {
const letters = [];
for (let obj = game.invent; obj; obj = obj.nobj) {
if (obj?.oclass === WEAPON_CLASS) letters.push(obj.invlet);
}
return letters.join('');
}
async function doswapweapon_like() {
game.multi = 0;
pushMultiLog('doswapweapon', game.multi);
const oldwep = game.u.uwep;
const oldswap = game.u.uswapwep;
setuswapwep(null);
if (oldswap) {
const oldmask = oldswap.owornmask;
oldswap.owornmask = oldmask | W_WEP;
await prinv_like(oldswap);
oldswap.owornmask = oldmask;
await setuwep(oldswap);
}
if (oldwep) {
setuswapwep(oldwep);
await prinv_like(oldwep);
} else {
await You('have no secondary weapon readied.');
}
}
// dothrow_like removed — now using real dothrow() from dothrow.js
// Direction deltas for vi keys (hjkl mode, the default)
// C ref: cmd.c sdir[] = "hykulnjb><"
const vikeys_hjkl = {
'h': { dx: -1, dy: 0 }, // west
'j': { dx: 0, dy: 1 }, // south
'k': { dx: 0, dy: -1 }, // north
'l': { dx: 1, dy: 0 }, // east
'y': { dx: -1, dy: -1 }, // northwest
'u': { dx: 1, dy: -1 }, // northeast
'b': { dx: -1, dy: 1 }, // southwest
'n': { dx: 1, dy: 1 }, // southeast
// Capital = run (C ref: cmd.c MV_RUN mode, context.run=1)
'H': { dx: -1, dy: 0, run: true },
'J': { dx: 0, dy: 1, run: true },
'K': { dx: 0, dy: -1, run: true },
'L': { dx: 1, dy: 0, run: true },
'Y': { dx: -1, dy: -1, run: true },
'U': { dx: 1, dy: -1, run: true },
'B': { dx: -1, dy: 1, run: true },
'N': { dx: 1, dy: 1, run: true },
// Ctrl+direction = rush (C ref: cmd.c MV_RUSH mode, context.run=2)
'\x08': { dx: -1, dy: 0, rush: true }, // Ctrl-H = rush west
'\x0a': { dx: 0, dy: 1, rush: true }, // Ctrl-J = rush south
'\x0b': { dx: 0, dy: -1, rush: true }, // Ctrl-K = rush north
'\x0c': { dx: 1, dy: 0, rush: true }, // Ctrl-L = rush east
'\x19': { dx: -1, dy: -1, rush: true }, // Ctrl-Y = rush northwest
'\x15': { dx: 1, dy: -1, rush: true }, // Ctrl-U = rush northeast
'\x02': { dx: -1, dy: 1, rush: true }, // Ctrl-B = rush southwest
'\x0e': { dx: 1, dy: 1, rush: true }, // Ctrl-N = rush southeast
};
// Direction deltas for number_pad mode
// C ref: cmd.c ndir[] = "47896321><"
// When num_pad is ON, digits 1-9 are movement. Meta+digit = run.
const vikeys_numpad = {
'4': { dx: -1, dy: 0 }, // west
'2': { dx: 0, dy: 1 }, // south
'8': { dx: 0, dy: -1 }, // north
'6': { dx: 1, dy: 0 }, // east
'7': { dx: -1, dy: -1 }, // northwest
'9': { dx: 1, dy: -1 }, // northeast
'1': { dx: -1, dy: 1 }, // southwest
'3': { dx: 1, dy: 1 }, // southeast
// Meta+digit = run (C ref: cmd.c M('4') etc.)
'\xb4': { dx: -1, dy: 0, run: true }, // M('4') = 0xB4
'\xb2': { dx: 0, dy: 1, run: true }, // M('2') = 0xB2
'\xb8': { dx: 0, dy: -1, run: true }, // M('8') = 0xB8
'\xb6': { dx: 1, dy: 0, run: true }, // M('6') = 0xB6
'\xb7': { dx: -1, dy: -1, run: true }, // M('7') = 0xB7
'\xb9': { dx: 1, dy: -1, run: true }, // M('9') = 0xB9
'\xb1': { dx: -1, dy: 1, run: true }, // M('1') = 0xB1
'\xb3': { dx: 1, dy: 1, run: true }, // M('3') = 0xB3
};
// Get the active movement key table based on num_pad setting
function getVikeys() {
return game.iflags?.num_pad ? vikeys_numpad : vikeys_hjkl;
}
// Legacy alias — non-movement code that references vikeys directly
const vikeys = vikeys_hjkl;
// ═══════════════════════════════════════════════════════════════════
// Command table — C-faithful key→command dispatch
// C ref: cmd.c struct ext_func_tab, commands[], Cmd_bind linked list
//
// Each entry: { name, handler, flags }
// name: command name (matches C ef_txt, used for BIND= lookup)
// handler: async function returning ECMD_* flags
// flags: AUTOCOMPLETE, WIZMODECMD, etc.
//
// The table is populated at module load with default bindings. At game
// startup, reset_commands() adjusts bindings based on num_pad mode.
// Users can override via BIND=key:command in .nethackrc.
// ═══════════════════════════════════════════════════════════════════
const AUTOCOMPLETE = 1;
const WIZMODECMD = 2;
const GENERALCMD = 4;
const CMD_M_PREFIX = 8;
// The command table: key (char code) → { name, handler, flags }
// Stored on game object for per-session lifecycle.
// C ref: gc.Cmd.cmdbinds — linked list of key→command bindings.
// Get or initialize the command table
function getCommandTable() {
if (!game._cmdTable) initCommandTable();
return game._cmdTable;
}
// Reset the command table (called by decl_globals_init via game object reset)
export function resetCommandTable() {
if (game) game._cmdTable = null;
}
// Look up a command by key
export function cmdByKey(key) {
return getCommandTable().get(typeof key === 'string' ? key.charCodeAt(0) : key);
}
// Look up a command by name (for BIND= support)
export function cmdByName(name) {
const table = getCommandTable();
for (const entry of table.values()) {
if (entry.name === name) return entry;
}
return null;
}
// Bind a key to a command (by name)
// C ref: cmd.c bind_key(key, cmdname, user)
export function bind_key(key, cmdname) {
const table = getCommandTable();
const keyCode = typeof key === 'string' ? key.charCodeAt(0) : key;
const entry = cmdByName(cmdname);
if (!entry) return false;
// Remove any existing binding for this key
table.delete(keyCode);
// Add new binding
table.set(keyCode, { ...entry, boundKey: keyCode });
return true;
}
// Unbind a key
export function unbind_key(key) {
const table = getCommandTable();
const keyCode = typeof key === 'string' ? key.charCodeAt(0) : key;
table.delete(keyCode);
}
// Initialize command table with default bindings
// C ref: cmd.c extcmdlist[] + commands_init()
// Movement commands are handled separately via getVikeys() before
// the table is consulted. The table handles all non-movement commands.
function initCommandTable() {
game._cmdTable = new Map();
const cmdTable = game._cmdTable;
// Helper to add a command entry
const add = (key, name, flags = 0) => {
const keyCode = typeof key === 'string' ? key.charCodeAt(0) : key;
cmdTable.set(keyCode, { name, flags, boundKey: keyCode });
};
// C ref: cmd.c extcmdlist[] — default key bindings
// Commands that have handlers in the switch statement below.
// The handler is still in the switch; the table provides metadata
// for lookup, rebinding, and num_pad support.
add('a', 'apply');
add('c', 'close');
add('d', 'drop');
add('e', 'eat');
add('f', 'fire');
add('i', 'inventory');
add('o', 'open');
add('p', 'pay');
add('q', 'quaff');
add('r', 'read');
add('s', 'search');
add('t', 'throw');
add('w', 'wield');
add('x', 'swap');
add('z', 'zap');
add('A', 'takeoffall');
add('C', 'call');
add('D', 'dropmany');
add('E', 'engrave');
add('I', 'typeinv');
add('P', 'puton');
add('Q', 'quiver');
add('R', 'remove');
add('S', 'save');
add('T', 'takeoff');
add('W', 'wear');
add('Z', 'cast');
add(',', 'pickup');
add('.', 'wait');
add(':', 'look');
add(';', 'farlook');
add('<', 'up');
add('>', 'down');
add('@', 'togglepickup');
add('+', 'showspells');
add('#', 'extcommand');
add('\\', 'discoveries');
add('?', 'help');
add('/', 'whatis');
add(127, 'terrain');
add('^', 'idtrap');
add('_', 'pray', CMD_M_PREFIX);
// Ctrl commands
add(0x04, 'kick'); // Ctrl-D
add(0x06, 'wizmap', WIZMODECMD); // Ctrl-F
add(0x0f, 'overview'); // Ctrl-O
add(0x10, 'prevmsg'); // Ctrl-P
add(0x12, 'redraw'); // Ctrl-R
add(0x14, 'teleport'); // Ctrl-T
add(0x17, 'wizwish', WIZMODECMD); // Ctrl-W
add(0x18, 'attributes'); // Ctrl-X
// Meta commands
add('a'.charCodeAt(0) | 0x80, 'adjust');
add('c'.charCodeAt(0) | 0x80, 'chat');
add('d'.charCodeAt(0) | 0x80, 'dip');
add('e'.charCodeAt(0) | 0x80, 'enhance');
add('i'.charCodeAt(0) | 0x80, 'invoke');
add('j'.charCodeAt(0) | 0x80, 'jump', AUTOCOMPLETE);
add('l'.charCodeAt(0) | 0x80, 'loot', AUTOCOMPLETE);
add('n'.charCodeAt(0) | 0x80, 'name', AUTOCOMPLETE);
add('o'.charCodeAt(0) | 0x80, 'offer', AUTOCOMPLETE);
add('p'.charCodeAt(0) | 0x80, 'pray', AUTOCOMPLETE);
add('r'.charCodeAt(0) | 0x80, 'rub', AUTOCOMPLETE);
add('s'.charCodeAt(0) | 0x80, 'sit', AUTOCOMPLETE);
add('t'.charCodeAt(0) | 0x80, 'turn', AUTOCOMPLETE);
add('u'.charCodeAt(0) | 0x80, 'untrap', AUTOCOMPLETE);
add('w'.charCodeAt(0) | 0x80, 'wipe', AUTOCOMPLETE);
// num_pad-specific commands (not bound by default, bound by reset_commands)
// h=help, j=jump, k=kick, l=loot, u=untrap, N=name
// These are registered as named commands for bind_key() lookup.
// Their handlers are defined below.
}
// C ref: cmd.c reset_commands() — called at startup and when num_pad changes
export function reset_commands() {
const table = getCommandTable();
const numPad = !!game.iflags?.num_pad;
if (numPad) {
// C ref: cmd.c:3351-3362 — num_pad rebindings
// These override the default letter-key bindings
bind_key('h', 'help');
bind_key('j', 'jump');
bind_key('k', 'kick');
bind_key('l', 'loot');
bind_key('u', 'untrap');
}
}
// Map command names to the canonical dispatch key used by rhack() switch.
// This lets BIND=key:command remap arbitrary keys without duplicating
// command handlers for every bound key.
const COMMAND_DISPATCH_KEY = {
apply: 'a',
close: 'c',
drop: 'd',
eat: 'e',
fire: 'f',
inventory: 'i',
open: 'o',
pay: 'p',
quaff: 'q',
read: 'r',
search: 's',
throw: 't',
wield: 'w',
swap: 'x',
zap: 'z',
takeoffall: 'A',
call: 'C',
dropmany: 'D',
engrave: 'E',
typeinv: 'I',
puton: 'P',
quiver: 'Q',
remove: 'R',
save: 'S',
takeoff: 'T',
wear: 'W',
cast: 'Z',
pickup: ',',
wait: '.',
look: ':',
farlook: ';',
up: '<',
down: '>',
togglepickup: '@',
showspells: '+',
extcommand: '#',
discoveries: '\\',
help: '?',
whatis: '/',
terrain: '\x7f',
idtrap: '^',
pray: '_',
kick: '\u0004', // Ctrl-D
wizmap: '\u0006', // Ctrl-F
overview: '\u000f', // Ctrl-O
prevmsg: '\u0010', // Ctrl-P
redraw: '\u0012', // Ctrl-R
teleport: '\u0014', // Ctrl-T
wizwish: '\u0017', // Ctrl-W
attributes: '\u0018' // Ctrl-X
};
// C ref: options.c doset_simple()
// Minimal options menu path used by 'O' command in normal play.
// This preserves tty menu lifecycle/event ownership (open, page, dismiss),
// and the post-dismiss bot() call that C performs in doset_simple().
async function doset_simple() {
const g = game;
const defaultPickupClassOrder = '$")[%?+!=/(*`0_';
const boolMark = (v) => (v ? 'X' : ' ');
const getPath = (path, def = false) => {
const [ns, key] = path.split('.');
const value = g?.[ns]?.[key];
if (value === undefined) {
return !!def;
}
return !!value;
};
const applyOptionExpr = (expr) => {
const parsed = [];
parseoption(expr, parsed);
applyOptions(parsed, g);
};
const toggleBoolOption = (name, path, def = false) => {
const current = getPath(path, def);
applyOptionExpr(current ? `!${name}` : name);
};
const promptAndSetOption = async (name, prompt) => {
const buf = await getlin(prompt);
if (!buf || buf.charCodeAt(0) === 27) {
return;
}
applyOptionExpr(`${name}:${buf}`);
};
const promptAndSetPickupTypes = async () => {
const order = (g.flags?.inv_order && g.flags.inv_order.length > 0)
? g.flags.inv_order
: defaultPickupClassOrder;
const current = g.flags?.pickup_types || '';
const win = create_nhwindow_menu();
start_menu(win);
const seen = new Set();
let accelCode = 'a'.charCodeAt(0);
for (const sym of order) {
if (seen.has(sym)) continue;
seen.add(sym);
if (def_char_to_objclass(sym) <= 1) continue;
const idx = def_char_to_objclass(sym);
const explain = def_oc_syms[idx]?.explain || 'objects';
const selected = current.includes(sym) ? MENU_ITEMFLAGS_SELECTED : 0;
const accel = String.fromCharCode(accelCode);
add_menu(win, `opt:pickup_types:${sym}`, accel, sym, 0, NO_COLOR, `${sym} ${explain}`, selected);
if (accelCode === 'z'.charCodeAt(0)) {
accelCode = 'A'.charCodeAt(0);
} else {
accelCode++;
}
}
add_menu_str(win, '');
add_menu(win, 'opt:pickup_types: ', 'A', 0, 0, NO_COLOR, ' All classes of objects', MENU_ITEMFLAGS_SKIPINVERT);
add_menu_str(win, 'Note: when no choices are selected, "all" is implied.');
add_menu_str(win, getPath('flags.pickup')
? "Toggle off 'autopickup' to not pick up anything."
: "Toggle on 'autopickup' to automatically pick these things up.");
end_menu(win, 'Autopickup what?');
// C ref: choose_classes_menu() uses a large centered menu footprint
// in tty; keep geometry aligned so dismiss/docorner events match.
win.fixedOffx = 16;
win.maxrow = 22;
win.skipOverlayBackdropRedraw = true;
const picked = await select_menu(win, PICK_ANY);
destroy_nhwindow_menu(win);
if (!picked || (picked.count || 0) <= 0) {
return;
}
const selectedSet = new Set((picked.items || []).map((it) => String(it.identifier || '').split(':').pop()));
if (selectedSet.has(' ')) {
applyOptionExpr('pickup_types:');
return;
}
let out = '';
for (const sym of order) {
if (!selectedSet.has(sym)) continue;
if (!out.includes(sym)) out += sym;
}
applyOptionExpr(`pickup_types:${out}`);
};
let pickedCount = 0;
do {
const win = create_nhwindow_menu();
start_menu(win);
add_menu_heading(win, 'Options');
add_menu_str(win, '');
add_menu_str(win, '? - show help');
add_menu_str(win, '');
add_menu_heading(win, ' General ');
add_menu(win, 'opt:fruit', 'a', 0, 0, NO_COLOR, `fruit [${g.flags?.fruit || 'slime mold'}]`, 0);
add_menu(win, 'opt:number_pad', 'b', 0, 0, NO_COLOR, `number_pad [${g.iflags?.num_pad || 0}=off]`, 0);
add_menu(win, 'opt:price_quotes', 'c', 0, 0, NO_COLOR, `price_quotes [${boolMark(!!g.flags?.pricequotes)}]`, 0);
add_menu_str(win, '');
add_menu_heading(win, ' Behavior ');
add_menu(win, 'opt:autodig', 'd', 0, 0, NO_COLOR, `autodig [${boolMark(getPath('flags.autodig'))}]`, 0);
add_menu(win, 'opt:autoopen', 'e', 0, 0, NO_COLOR, `autoopen [${boolMark(getPath('flags.autoopen', true))}]`, 0);
add_menu(win, 'opt:autopickup', 'f', 0, 0, NO_COLOR, `autopickup [${boolMark(getPath('flags.pickup'))}]`, 0);
add_menu_str(win, `g - autopickup exceptions [(${g.iflags?.autopickup_exceptions?.length || 0} currently set)]`);
add_menu(win, 'opt:autoquiver', 'h', 0, 0, NO_COLOR, `autoquiver [${boolMark(getPath('flags.autoquiver'))}]`, 0);
const autounlock = g.flags?.autounlock;
const autounlockLabel = (autounlock === AUTOUNLOCK_APPLY_KEY)
? 'apply-key'
: String(autounlock ?? 'apply-key');
add_menu_str(win, `i - autounlock [${autounlockLabel}]`);
add_menu(win, 'opt:cmdassist', 'j', 0, 0, NO_COLOR, `cmdassist [${boolMark(getPath('iflags.cmdassist', true))}]`, 0);
add_menu(win, 'opt:dropped_nopick', 'k', 0, 0, NO_COLOR, `dropped_nopick [${boolMark(getPath('flags.nopick_dropped', true))}] (for autopickup)`, 0);
add_menu(win, 'opt:fireassist', 'l', 0, 0, NO_COLOR, `fireassist [${boolMark(getPath('iflags.fireassist', true))}]`, 0);
add_menu(win, 'opt:pickup_stolen', 'm', 0, 0, NO_COLOR, `pickup_stolen [${boolMark(getPath('flags.pickup_stolen', true))}] (for autopickup)`, 0);
add_menu(win, 'opt:pickup_thrown', 'n', 0, 0, NO_COLOR, `pickup_thrown [${boolMark(getPath('flags.pickup_thrown', true))}] (for autopickup)`, 0);
add_menu(win, 'opt:pickup_types', 'o', 0, 0, NO_COLOR, `pickup_types [${g.flags?.pickup_types || 'all'}] (for autopickup)`, 0);
add_menu(win, 'opt:pushweapon', 'p', 0, 0, NO_COLOR, `pushweapon [${boolMark(getPath('flags.pushweapon'))}]`, 0);
add_menu_str(win, '');
add_menu_heading(win, ' Map ');
add_menu(win, 'opt:bgcolors', 'a', 0, 0, NO_COLOR, `bgcolors [${boolMark(getPath('iflags.bgcolors', true))}]`, 0);
add_menu(win, 'opt:color', 'b', 0, 0, NO_COLOR, `color [${boolMark(getPath('iflags.wc_color', true))}]`, 0);
add_menu(win, 'opt:customcolors', 'c', 0, 0, NO_COLOR, `customcolors [${boolMark(getPath('iflags.customcolors', true))}]`, 0);
add_menu(win, 'opt:customsymbols', 'd', 0, 0, NO_COLOR, `customsymbols [${boolMark(getPath('iflags.customsymbols', true))}]`, 0);
add_menu(win, 'opt:hilite_pet', 'e', 0, 0, NO_COLOR, `hilite_pet [${boolMark(getPath('iflags.wc_hilite_pet'))}]`, 0);
add_menu(win, 'opt:hilite_pile', 'f', 0, 0, NO_COLOR, `hilite_pile [${boolMark(getPath('iflags.hilite_pile'))}]`, 0);
add_menu(win, 'opt:showrace', 'g', 0, 0, NO_COLOR, `showrace [${boolMark(getPath('flags.showrace'))}]`, 0);
add_menu_str(win, 'h - sparkle [X]');
add_menu_str(win, 'i - symset [DECgraphics, active, handler=DEC]');
add_menu_str(win, '');
add_menu_heading(win, ' Status ');
add_menu(win, 'opt:hitpointbar', 'j', 0, 0, NO_COLOR, `hitpointbar [${boolMark(getPath('iflags.wc2_hitpointbar'))}]`, 0);
add_menu_str(win, 'k - menu colors [(0 currently set)]');
add_menu(win, 'opt:showexp', 'l', 0, 0, NO_COLOR, `showexp [${boolMark(getPath('flags.showexp'))}]`, 0);
add_menu_str(win, 'm - status condition fields [(16 currently set)]');
add_menu_str(win, 'n - status highlight rules [(0 currently set)]');
add_menu_str(win, `o - statuslines [${g.iflags?.wc2_statuslines ?? 2}]`);
add_menu(win, 'opt:time', 'p', 0, 0, NO_COLOR, `time [${boolMark(getPath('flags.time'))}]`, 0);
end_menu(win, null);
const picked = await select_menu(win, PICK_ONE);
pickedCount = picked?.count || 0;
const sel = picked?.items?.[0]?.identifier || '';
if (sel === 'opt:fruit') {
await promptAndSetOption('fruit', 'Set fruit to what?');
} else if (sel === 'opt:number_pad') {
await promptAndSetOption('number_pad', 'Set number_pad to what?');
} else if (sel === 'opt:pickup_types') {
await promptAndSetPickupTypes();
} else if (sel === 'opt:price_quotes') {
toggleBoolOption('price_quotes', 'flags.pricequotes');
} else if (sel === 'opt:autodig') {
toggleBoolOption('autodig', 'flags.autodig');
} else if (sel === 'opt:autoopen') {
toggleBoolOption('autoopen', 'flags.autoopen', true);
} else if (sel === 'opt:autopickup') {
toggleBoolOption('autopickup', 'flags.pickup');
} else if (sel === 'opt:autoquiver') {
toggleBoolOption('autoquiver', 'flags.autoquiver');
} else if (sel === 'opt:cmdassist') {
toggleBoolOption('cmdassist', 'iflags.cmdassist', true);
} else if (sel === 'opt:dropped_nopick') {
toggleBoolOption('dropped_nopick', 'flags.nopick_dropped', true);
} else if (sel === 'opt:fireassist') {
toggleBoolOption('fireassist', 'iflags.fireassist', true);
} else if (sel === 'opt:pickup_stolen') {
toggleBoolOption('pickup_stolen', 'flags.pickup_stolen', true);
} else if (sel === 'opt:pickup_thrown') {
toggleBoolOption('pickup_thrown', 'flags.pickup_thrown', true);
} else if (sel === 'opt:pushweapon') {
toggleBoolOption('pushweapon', 'flags.pushweapon');
} else if (sel === 'opt:bgcolors') {
toggleBoolOption('bgcolors', 'iflags.bgcolors', true);
setBotlx('docrt_flags');
} else if (sel === 'opt:color') {
toggleBoolOption('color', 'iflags.wc_color', true);
setBotlx('docrt_flags');
} else if (sel === 'opt:customcolors') {
toggleBoolOption('customcolors', 'iflags.customcolors', true);
setBotlx('docrt_flags');
} else if (sel === 'opt:customsymbols') {
toggleBoolOption('customsymbols', 'iflags.customsymbols', true);
setBotlx('docrt_flags');
} else if (sel === 'opt:hilite_pet') {
toggleBoolOption('hilite_pet', 'iflags.wc_hilite_pet');
setBotlx('docrt_flags');
} else if (sel === 'opt:hilite_pile') {
toggleBoolOption('hilite_pile', 'iflags.hilite_pile');
setBotlx('docrt_flags');
} else if (sel === 'opt:showrace') {
toggleBoolOption('showrace', 'flags.showrace');
setBotlx('docrt_flags');
} else if (sel === 'opt:hitpointbar') {
toggleBoolOption('hitpointbar', 'iflags.wc2_hitpointbar');
setBotlx('docrt_flags');
} else if (sel === 'opt:showexp') {
toggleBoolOption('showexp', 'flags.showexp');
status_initialize();
setBotl('optfn_boolean');
} else if (sel === 'opt:time') {
toggleBoolOption('time', 'flags.time');
status_initialize();
setBotl('optfn_boolean');
}
destroy_nhwindow_menu(win);
// C ref: options.c doset_simple() updates status line each cycle.
await bot();
} while (pickedCount > 0);
if (g?.disp) {
g.disp.time_botl = !!g.flags?.time;
}
return 0;
}
// C ref: cmd.c:3625 rhack()
// Simplified dispatch for basic commands.
export async function rhack(key) {
const g = game;
assertNotInModal('rhack');
let parsedCountPrefix = false;
// C ref: cmd.c:3634 — each rhack cycle starts with nopick cleared.
g.context.nopick = 0;
// C ref: cmd.c:5100 — assume next command will take game time.
// Must be set unconditionally, before any command dispatch.
g.context.move = 1;
// C ref: cmd.c:4344 — each rhack cycle starts with travel cleared.
// In C this happens before dispatching the parsed command; keeping
// stale travel state across time-consuming commands is incorrect.
g.context.travel = 0;
g.context.travel1 = 0;
// C ref: cmd.c:4234 — check command queue before parse()/input,
// regardless of whether caller supplied a key.
// cmdq_add_ec (from iactions, lock, dig, etc.) queues commands for
// the next moveloop iteration. Dispatch them before any parse path.
const queued = cmdq_pop();
if (queued) {
if (queued.typ === CMDQ_EXTCMD && typeof queued.ec_entry === 'function') {
// C ref: cmd.c:4238-4239 — CMDQ_EXTCMD dispatch
const result = await queued.ec_entry();
g.context.move = (result & 0x01) ? 1 : 0; // ECMD_TIME
// C ref: cmd.c post-command tail for extcmd dispatch.
// Apply reset semantics even for queued extcmds.
if (g.context.move) {
// Match C's kickedloc clearing rule (skip for kick).
if (queued.ec_entry !== dokick && g.kickedloc) {
g.kickedloc.x = 0;
g.kickedloc.y = 0;
}
pushCtxMoveLog('rhack', g.context.move);
} else {
reset_cmd_vars(true);
}
return;
}
key = (queued.typ === CMDQ_KEY) ? (queued.key | 0) : 0;
}
if (key === 0) {
// C ref: cmd.c parse() — first-time command input path only.
g.multi = 0;
// C ref: cmd.c:5779 — flush_screen(1) before readchar().
// Paints all pending gnew entries and positions cursor at hero.
// This is the primary flush point that ensures the grid is current
// before every command input. bot() is idempotent (clears its
// flags), so a redundant call from flush_screen is harmless.
await flush_screen(1);
key = await nhgetch();
// C ref: cmd.c parse()/get_count():
// gather optional numeric prefix, then assign gm.multi and decrement
// once if non-zero before command dispatch.
if (key >= 48 && key <= 57) {
const counted = await getCount(key, 32767, game?.nhDisplay || null);
g.multi = counted.count | 0;
key = counted.key | 0;
parsedCountPrefix = g.multi > 0;
}
// C ref: cmd.c parse() — ESC does an early clear_nhwindow(WIN_MESSAGE)
// before multi/cmd_key setup, then parse does the normal trailing clear.
if (key === 27) {
if (g._pending_message) g._last_toplines = g._pending_message;
await tty_clear_nhwindow('message');
}
pushMultiLog('parse', g.multi);
if (g.multi) {
g.multi--;
}
// C ref: cmd.c parse() → tty_clear_nhwindow(WIN_MESSAGE)
if (g._pending_message) g._last_toplines = g._pending_message;
await tty_clear_nhwindow('message');
}
if (typeof key === 'number') key = String.fromCharCode(key);
// Apply BIND= remapping using the command table before movement/switch
// dispatch, so custom bindings follow the same command path as canonical
// keys (C ref: cmd.c bind_key affects parse/rhack dispatch).
const bound = cmdByKey(key);
if (bound?.name) {
const dispatchKey = COMMAND_DISPATCH_KEY[bound.name];
if (dispatchKey) {
key = dispatchKey;
}
}
// C ref: tty_nhgetch() clears a non-empty topline before command dispatch.
// Replay can call rhack() with an explicit key (without nhgetch here),
// so mirror that transition when the message line is still latched.
// Save toplines before clearing (for ^P prev message).
if (g._pending_message) g._last_toplines = g._pending_message;
await tty_clear_nhwindow('message');
if (g.iflags?.getloc_tip_active) {
if (key === '\u001b' || key === ' ' || key === '\r' || key === '\n') {
// C ref: getpos tip help runs through xwaitforspace; dismissing the
// overlay returns to travel prompt mode (does not cancel travel).
await restoreGetposPrompt(game?.nhDisplay || null);
}
g.context.move = 0;
return;
}
if (g.iflags?.getloc_travelmode && key === '\u001b') {
// C ref: ESC cancels getpos → dotravel returns ECMD_CANCEL.
// Fully exit travel mode so subsequent keys are normal commands.
await dismissGetposOverlay(game?.nhDisplay || null);
g.iflags.getloc_travelmode = false;
g.iflags.getloc_tip_active = false;
g.context.move = 0;
return;
}
// Movement keys (lowercase = step, uppercase = run, Ctrl = rush)
// C ref: cmd.c movement dispatch — check both hjkl and numpad tables
const activeVikeys = getVikeys();
if (activeVikeys[key]) {
const vk = activeVikeys[key];
g.u.dx = vk.dx;
g.u.dy = vk.dy;
g.u.dz = 0;
g.context.move = 1;
// C ref: cmd.c set_move_cmd(dir, run) — plain movement explicitly
// sets context.run=0 (run/rush use 1/3). This must overwrite any
// prior run state from earlier commands.
g.context.run = vk.rush ? 3 : (vk.run ? 1 : 0);
// C ref: cmd.c:1988-1990 — set domove_attempting for ALL movement
// (DOMOVE_WALK for plain, DOMOVE_RUSH for run/rush)
g.domove_attempting = (vk.run || vk.rush) ? DOMOVE_RUSH : DOMOVE_WALK;
// C ref: cmd.c:3783-3784 — counted plain movement repeats via context.mv.
if (!(vk.run || vk.rush) && g.multi)
g.context.mv = true;
// C ref: cmd.c — capital movement keys set run mode, Ctrl+dir sets rush.
// Run mode repeats domove via multi counter in moveloop_core.
// We set multi/mv/run but the actual repeat happens in moveloop.
if (vk.run || vk.rush) {
// C ref: cmd.c DOMOVE_RUSH firsttime path resets turn-history
// for corridor steering.
g.u.last_str_turn = 0;
g.context.mv = true;
g.multi = COLNO;
pushMultiLog('rhack', g.multi);
g.cmd_key = key;
}
await domove();
// C ref: cmd.c rhack() DOMOVE_WALK branch clears forcefight after domove.
g.context.forcefight = false;
return;
}
// C ref: cmd.c command dispatch table
// When num_pad is ON, several letter keys are rebound to non-movement
// commands. C ref: cmd.c:3351-3362 (number_pad bindings).
if (game.iflags?.num_pad) {
switch (key) {
case 'h': // help (was: west)
g.context.move = 0;
// TODO: dohelp() — for now, show extended command help
await pline('Help is available through #help or ?.');
break;
case 'j': { // jump (was: south)
const res = await dojump();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
}
case 'k': { // kick (was: north)
const res = await dokick();
g.context.move = (res & 0x01) ? 1 : 0;
break;
}
case 'l': { // loot (was: east)
const res = await doloot();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
}
case 'u': { // untrap (was: northeast)
g.context.move = 0;
await pline('You search for traps nearby.');
// TODO: dountrap()
break;
}
case 'N': // name (was: run-southeast)
g.context.move = 0;
// falls through to existing 'C' naming handler below
break;
default:
// Not a num_pad rebound key — fall through to normal switch
break;
}
// If handled by num_pad switch, return early
if ('hjklu'.includes(key)) return;
if (key === 'N') { /* fall through to main switch for naming */ }
}
switch (key) {
case 'Z': { // cast spell
const res = await docast();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
}
case '\u0004': { // Ctrl-D: kick
// C ref: cmd.c C('d') → dokick
const kickResult = await dokick();
// C ref: ECMD_TIME → context.move=1, otherwise 0
g.context.move = (kickResult & 0x01) ? 1 : 0; // ECMD_TIME = 0x01
break;
}
case '\u0017': { // Ctrl-W: wizard wish
// C ref: cmd.c can_do_extcmd — WIZMODECMD requires wizard mode
if (!g.flags?.debug) {
await pline("Unavailable command 'wizwish'.");
// C: failed command → reset_cmd_vars(TRUE) + post-dispatch reset
reset_cmd_vars(true);
g.context.move = 0;
break;
}
await wiz_wish();
g.context.move = 0;
break;
}
case '\u0006': { // Ctrl-F: wizard map
// C ref: cmd.c C('f') -> wiz_map
if (!g.flags?.debug) {
await pline("Unavailable command 'wizmap'.");
reset_cmd_vars(true);
g.context.move = 0;
break;
}
await wiz_map();
g.context.move = 0;
break;
}
case '\u000f': { // Ctrl-O: dungeon overview
// C ref: dungeon.c dooverview() → dooverview_or_wiz_vicinity()
// Shows a text window with visited dungeon levels.
g.context.move = 0;
const ovWin = create_nhwindow_menu();
// C ref: dungeon.c show_overview() populates NHW_MENU rows and ends
// with end_menu(win, 0): no inverse prompt header line.
const dnum = g.u?.uz?.dnum ?? 0;
const dname = g.dungeons?.[dnum]?.dname || 'The Dungeons of Doom';
add_menu(ovWin, null, 0, 0, ATR_INVERSE, NO_COLOR, `${dname}:`, 0);
add_menu_str(ovWin, ` Level 1: <- You are here.`);
end_menu(ovWin, null);
await select_menu(ovWin, 0); // PICK_NONE
destroy_nhwindow_menu(ovWin);
break;
}
case '\u0010': { // Ctrl-P: previous message
// C ref: topl.c:21 tty_doprev_message()
g.context.move = 0;
const pmw = g.iflags?.prevmsg_window || 's';
const pmwChar = pmw.charAt(0); // 's'ingle, 'f'ull, 'c'ombination, 'r'eversed
if (pmwChar === 's') {
// Single mode: just redisplay current toplines
const prevMsg = g._last_toplines || g._pending_message || '';
if (prevMsg) {
const display = game?.nhDisplay || null;
g._pending_message = prevMsg;
g._last_toplines = prevMsg;
if (display) {
display.toplines = prevMsg;
display.topMessage = prevMsg;
display.toplin = TOPLINE_NEED_MORE;
pushRngLogEntry('^toplin[redotoplin=1]');
if (typeof display.clearRow === 'function') {
display.clearRow(0);
display.putstr(0, 0, prevMsg);
}
}
}
} else {
// Full/reversed/combination: show message history in a menu window
// C ref: topl.c:80-102 (reversed mode)
const msgHistory = get_message_history();
const prevmsgWin = create_nhwindow_menu();
add_menu(prevmsgWin, null, 0, 0, 0, 8/*NO_COLOR*/, 'Message History', 0);
add_menu_str(prevmsgWin, '');
for (const msg of msgHistory) {
add_menu_str(prevmsgWin, msg);
}
// C ref: topl.c uses putstr() not add_menu()/end_menu(),
// so maxrow tracks putstr count (no +1 for prompt) and
// maxcol = strlen + 1 (not + 2).
prevmsgWin.textLikePrompt = true; // maxrow without +1
end_menu(prevmsgWin, null);
if (prevmsgWin.cols > 0) prevmsgWin.cols--; // putstr width
await select_menu(prevmsgWin, 0); // PICK_NONE
destroy_nhwindow_menu(prevmsgWin);
}
break;
}
case '\u0012': { // Ctrl-R: redraw screen
// C ref: cmd.c doredraw() → docrt()
g.context.move = 0;
// C ref: display.c docrt_flags() does cls() first, then redraws map.
await cls();
await docrt();
break;
}
case '\u0014': { // Ctrl-T: teleport self
// C ref: teleport.c:dotelecmd() -> dotele(ignore_restrictions).
// dotele() handles teleport eligibility checks, spell fallback,
// hunger cost, and turn consumption.
const tookTurn = await dotele(!!g.flags?.debug);
g.context.move = tookTurn ? 1 : 0;
break;
}
case '\u0018': { // Ctrl-X: show attributes
// C ref: cmd.c doattributes() → enlightenment()
// C ref: insight.c enlightenment() uses NHW_MENU with end_menu(win, 0),
// placing the title as the first content line (not an inverse prompt).
g.context.move = 0;
const attrWin = create_nhwindow_menu();
const rawName = g.plname || 'you';
const capName = rawName.charAt(0).toUpperCase() + rawName.slice(1);
const roleName = (g.flags?.female && g.urole?.name?.f) ? g.urole.name.f : (g.urole?.name?.m || 'Adventurer');
const ulevel = g.u?.ulevel || 1;
const rankSlot = Math.max(0, Math.min(8, ulevel - 1));
const rankName = (g.flags?.female && g.urole?.rank?.[rankSlot]?.f)
? g.urole.rank[rankSlot].f
: (g.urole?.rank?.[rankSlot]?.m || roleName);
const genderAdj = g.flags?.female ? 'female' : 'male';
const raceNoun = g.urace?.noun || 'human';
const rankArticle = /^[aeiou]/i.test(rankName) ? 'an' : 'a';
const levelNameRaw = g.dungeons?.[g.u?.uz?.dnum || 0]?.dname || 'The Dungeons of Doom';
const levelName = levelNameRaw.startsWith('The ')
? `the ${levelNameRaw.slice(4)}`
: levelNameRaw;
const dlevel = g.u?.uz?.dlevel || 1;
const turns = g.moves || 0;
const xp = g.u?.uexp || 0;
const nextXp = g.newuexp || 20;
const hp = g.u?.uhp || 1;
const hpmax = g.u?.uhpmax || hp;
const en = g.u?.uen || 0;
const enmax = g.u?.uenmax || en;
const ac = g.u?.uac ?? 10;
const money = money_cnt(g.invent);
const pickupTypes = g.flags?.pickup_types || '';
const wearingAnyArmor = !!(g.u?.uarm || g.u?.uarmc || g.u?.uarmh
|| g.u?.uarms || g.u?.uarmg || g.u?.uarmf || g.u?.uarmu);
const alignName = (g.flags?.initalign === 2) ? 'lawful'
: (g.flags?.initalign === 0) ? 'chaotic' : 'neutral';
const missionGod = (g.flags?.initalign === 2) ? (g.urole?.lgod || 'your deity')
: (g.flags?.initalign === 0) ? (g.urole?.cgod || 'your deity')
: (g.urole?.ngod || 'your deity');
// C ref: insight.c:533-545 — show opposing gods (skip player's alignment)
const opposedParts = [];
if (g.u.ualign?.type !== A_LAWFUL)
opposedParts.push(`${align_gname(A_LAWFUL)} (lawful)`);
if (g.u.ualign?.type !== A_NEUTRAL)
opposedParts.push(`${align_gname(A_NEUTRAL)} (neutral)`);
if (g.u.ualign?.type !== A_CHAOTIC)
opposedParts.push(`${align_gname(A_CHAOTIC)} (chaotic)`);
const opposedStr = opposedParts.join(' and ');
const wieldedName = g.u.uwep
? ((g.u.uwep.quan || 1) === 1
? an(game.objects[g.u.uwep.otyp]?.oc_name || 'weapon')
: makeplural(game.objects[g.u.uwep.otyp]?.oc_name || 'weapon'))
: '';
let weaponSkillLine = '';
if (g.u.uwep) {
const wtype = weapon_type(g.u.uwep);
if (wtype !== P_NONE && !is_ammo(g.u.uwep)) {
const sklvl = P_SKILL(wtype);
const hav = (sklvl !== P_UNSKILLED && sklvl !== P_SKILLED);
const sklvlbuf = (sklvl === P_ISRESTRICTED)
? 'no'
: cmdSkillLevelNameFromValue(sklvl).toLowerCase();
weaponSkillLine = hav
? ` You have ${sklvlbuf} skill with ${skill_name(wtype)}.`
: ` You are ${sklvlbuf} in ${skill_name(wtype)}.`;
}
} else {
weaponSkillLine = ' You are unskilled in bare handed combat.';
}
const statusLines = [
' You aren\'t hungry.',
' You are unencumbered.',
g.u.uwep ? ` You are wielding ${wieldedName}.` : ' You are bare handed.',
weaponSkillLine,
];
if (!wearingAnyArmor) {
statusLines.push(' You aren\'t wearing any armor.');
}
const lines = [
`${capName} the ${roleName}'s attributes:`,
'',
'Background:',
` You are ${rankArticle} ${rankName}, a level ${ulevel} ${genderAdj} ${raceNoun} ${roleName}.`,
` You are ${alignName}, on a mission for ${missionGod}`,
` who is opposed by ${opposedStr}.`,
' You are right-handed.',
` You are in ${levelName}, on level ${dlevel}.`,
turns === 1 ? ' You have just started your adventure.' : ` You entered the dungeon ${turns} turn${turns !== 1 ? 's' : ''} ago.`,
(ulevel < 30 && g.flags?.debug) ? ` You have ${xp} experience point${xp !== 1 ? 's' : ''}, ${nextXp} ${xp > 0 ? 'more ' : ''}needed to attain level ${ulevel + 1}.` : ` You have ${xp} experience point${xp !== 1 ? 's' : ''}.`,
'',
'Basics:',
` You have all ${hpmax} hit points.`,
` You have all ${enmax} energy points (spell power).`,
` Your armor class is ${ac}.`,
money > 0 ? ` You have ${money} gold pieces in your wallet.` : ' Your wallet is empty.',
!g.flags?.pickup
? ' Autopickup is off.'
: pickupTypes
? ` Autopickup is on for ${pickupTypes}.`
: ' Autopickup is on for all types.',
'',
'Characteristics:',
` Your strength is ${ACURR(A_STR)}.`,
` Your dexterity is ${ACURR(A_DEX)}.`,
` Your constitution is ${ACURR(A_CON)}.`,
` Your intelligence is ${ACURR(A_INT)}.`,
` Your wisdom is ${ACURR(A_WIS)}.`,
` Your charisma is ${ACURR(A_CHA)}.`,
'',
'Status:',
...statusLines,
'',
'Miscellaneous:',
' Total elapsed playing time is none.',
];
if (g.flags?.debug || g.flags?.explore) {
lines.push('You are running in debug mode.');
}
while (lines.length < 23) lines.push('');
for (const line of lines) add_menu_str(attrWin, line);
end_menu(attrWin, null);
await select_menu(attrWin, 0); // PICK_NONE
destroy_nhwindow_menu(attrWin);
break;
}
case '\u0016': { // Ctrl-V: wizard level teleport
if (!g.flags?.debug) {
await pline("Unavailable command 'wizlevelport'.");
g.context.move = 0;
break;
}
await wiz_level_tele();
g.context.move = 0;
break;
}
case '$': { // #showgold
// C ref: invent.c:4503 doprgold()
g.context.move = 0;
const umoney = money_cnt(g.invent);
if (g.flags?.verbose) {
if (!umoney) {
await pline('Your wallet is empty.');
} else {
await pline(`Your wallet contains ${umoney} ${currency(umoney)}.`);
}
} else {
if (umoney) {
await You(`are carrying a total of ${umoney} ${currency(umoney)}.`);
} else {
await You('have no money.');
}
}
break;
}
case '+': { // showspells
const res = await dovspell();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
}
case '.': // wait — C ref: donull() in do.c
if (await cmd_safety_prevention('Waiting', 'a no-op (to rest)',
'Are you waiting to get hit?', 'did_nothing_flag')) {
g.context.move = 0;
} else {
g.context.move = 1;
}
break;
case 's': // search
// C ref: cmd.c dispatch sets occupation for repeatable commands
// before calling dosearch() when a count prefix is active.
if (!g.occupation && parsedCountPrefix && g.multi) {
set_occupation(dosearch, 'searching', g.multi, true);
}
g.context.move = (await dosearch()) ? 1 : 0;
break;
case 'T': { // takeoff
const res = await dotakeoff();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
}
case '#': { // extended command
const typed = await getlin('#', game?.nhDisplay || null, {
logHookedLifecycle: true,
autocomplete: extcmdAutocomplete,
});
if (typed == null) {
g.context.move = 0;
break;
}
let extCmd = extcmdAutocomplete(normalizeExtcmdInput(typed));
// Most extended commands consume a turn. Some (like #chat) do.
// For now, set context.move=1 for known time-consuming commands.
const timeCmds = ['chat', 'dip', 'enhance', 'force', 'invoke', 'jump', 'loot',
'monster', 'offer', 'pray', 'ride', 'rub', 'sit', 'turn', 'twoweapon', 'wipe'];
if (extCmd === 'version') {
// C ref: version.c doextversion() → get_lua_version()
// First call to doextversion creates a Lua state and loads
// nhlib.lua, which shuffles align[3] consuming rn2(3)+rn2(2).
if (!g._lua_version_inited) {
g._lua_version_inited = true;
rn2(3);
rn2(2);
}
await doextversion_helpitem();
g.context.move = 0;
} else if (extCmd === 'terrain') {
await doterrain_cmd();
g.context.move = 0;
} else if (extCmd === 'overview' || extCmd === 'chronicle'
|| extCmd === 'conduct' || extCmd === 'vanquished'
|| extCmd === 'genocided') {
// C ref: these display-only commands return ECMD_OK (no turn).
// Stub: just acknowledge without display (no RNG consumed).
g.context.move = 0;
break;
} else if (extCmd === 'annotate') {
// C ref: cmd.c donamelevel() — prompts for annotation text via getlin.
// Must consume the getlin input to avoid leftover keys.
await getlin('annotate');
g.context.move = 0;
break;
} else if (timeCmds.includes(extCmd)) {
if (extCmd === 'chat') {
const res = await dotalk();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
}
// Dispatch extended commands to their implementation functions.
// Each returns ECMD_TIME or ECMD_OK; we set context.move accordingly.
if (extCmd === 'pray') {
const res = await dopray();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
} else if (extCmd === 'enhance') {
// C ref: weapon.c enhance_weapon_skill()
const res = await enhance_weapon_skill();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
} else if (extCmd === 'sit') {
const res = await dosit();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
} else if (extCmd === 'dip') {
const res = await dodip();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
} else if (extCmd === 'turn') {
const res = await doturn();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
} else if (extCmd === 'twoweapon') {
const res = await dotwoweapon();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
} else if (extCmd === 'ride') {
const res = await doride();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
} else if (extCmd === 'rub') {
const res = await dorub();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
} else if (extCmd === 'force') {
const res = await doforce();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
} else if (extCmd === 'wipe') {
const res = await dowipe();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
} else if (extCmd === 'loot') {
const res = await doloot();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
} else if (extCmd === 'jump') {
const res = await dojump();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
} else if (extCmd === 'monster') {
const res = await domonability();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
} else if (extCmd === 'offer') {
const res = await dosacrifice();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
} else if (extCmd === 'invoke') {
// C ref: artifact.c:1749 doinvoke() — getobj + arti_invoke
// arti_invoke not fully ported but must consume getobj key.
const invobj = await getobj('invoke', () => true, 0x02 /*GETOBJ_PROMPT*/);
if (!invobj) {
g.context.move = 0;
} else {
await pline('Nothing special happens.');
g.context.move = 1;
}
break;
}
g.context.move = 1;
} else if (extCmd === 'quit') {
// C ref: cmd.c extcmdlist "quit" dispatches to done2()
g.context.move = 0;
const { done2 } = await import('./end.js');
await done2();
break;
} else if (extCmd === 'shell') {
// C ref: cmd.c dosh() — spawn a subshell
g.context.move = 0;
throw new ShellEscape();
break;
} else if (extCmd === 'name') {
// C ref: do_name.c docallcmd() handles #name and command 'C'.
const res = await docallcmd();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
} else if (extCmd === 'adjust') {
await doorganize();
g.context.move = 0;
} else if (extCmd === 'levelchange') {
await wiz_level_change();
g.context.move = 0;
} else if (extCmd === 'wizgenesis') {
await wiz_genesis();
g.context.move = 0;
} else if (extCmd === 'wizmap') {
// C ref: cmd.c extcmdlist "wizmap" -> wiz_map (WIZMODECMD)
if (!g.flags?.debug) {
await pline("Unavailable command 'wizmap'.");
g.context.move = 0;
break;
}
await wiz_map();
g.context.move = 0;
} else if (extCmd === 'wizwish') {
// C ref: cmd.c doextcmd() + can_do_extcmd(WIZMODECMD)
if (!g.flags?.debug) {
await pline("Unavailable command 'wizwish'.");
g.context.move = 0;
break;
}
await wiz_wish();
g.context.move = 0;
} else if (extCmd === 'wizintrinsic') {
if (!g.flags?.debug) {
await pline("Unavailable command 'wizintrinsic'.");
g.context.move = 0;
break;
}
await wiz_intrinsic();
g.context.move = 0;
} else if (extCmd === 'polyself') {
await dopolyself();
g.context.move = 0;
} else {
if (extCmd) {
// C ref: win/tty/getline.c:320-324 tty_get_ext_cmd()
// unknown extended command path:
// pline("%s%.60s: unknown extended command.", extcmd_char, buf)
await pline(`${key}${extCmd}: unknown extended command.`);
}
g.context.move = 0;
}
break;
}
case 'a': { // apply
const res = await doapply();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
}
case 'e': { // eat
// C ref: eat.c doeat()
const res = await doeat();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
}
case 't': { // throw
// C ref: dothrow.c dothrow — prompts for item + direction
const throwRes = await dothrow();
if (throwRes === 0 /* ECMD_OK */ || throwRes === 2 /* ECMD_CANCEL */)
g.context.move = 0;
break;
}
case 'f': { // fire (quivered ammo)
// C ref: dothrow.c dofire — fire quivered/wielded item
const fireRes = await dofire();
if (fireRes === 0 /* ECMD_OK */ || fireRes === 2 /* ECMD_CANCEL */)
g.context.move = 0;
break;
}
case 'Q': { // quiver
// C ref: cmd.c dowieldquiver — prompt for item, then maybe confirm
pushMultiLog('doquiver_core', g.multi);
const letters = inventory_letters((obj) => quiver_ok_suggest(obj));
// C ref: getobj prompt for quiver command:
// - Nothing quivered → suggest first eligible letter as default
// - Something quivered → suggest '-' (unquiver) as default,
// with eligible letters shown after
let promptLetters;
if (g.u.uquiver) {
// Hero has something quivered: default is '-' to unquiver
promptLetters = letters ? `- ${letters}` : '-';
} else {
// Nothing quivered: default is first eligible letter
promptLetters = letters || '-';
}
const prompt = `What do you want to ready? [${promptLetters} or ?*]`;
const item = await prompt_inventory_char(prompt, 'item-prompt');
if (item === 27) { g.context.move = 0; break; }
const obj = find_inventory_obj_by_letter(item);
if (!obj) { g.context.move = 0; break; }
if (obj === g.u.uswapwep) {
const display = game?.nhDisplay || null;
const answer = await ynFunction(
'That is your alternate weapon. Ready it instead?',
'ynq',
'q'.charCodeAt(0),
display,
);
if (answer !== 'y'.charCodeAt(0)) {
g.context.move = 0;
break;
}
setuswapwep(null);
}
setuqwep(obj);
await prinv_like(obj);
g.context.move = 0;
break;
}
case 'r': { // read
const rresult = await doread();
g.context.move = (rresult & ECMD_TIME) ? 1 : 0;
break;
}
case 'q': { // quaff
const qresult = await dodrink();
g.context.move = (qresult & ECMD_TIME) ? 1 : 0;
break;
}
case 'z': { // zap
const zresult = await dozap();
g.context.move = (zresult & ECMD_TIME) ? 1 : 0;
break;
}
case 'P': { // puton (ring/amulet)
const res = await doputon();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
}
case 'R': { // remove (ring/amulet)
const res = await doremring();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
}
case 'W': { // wear armor
const res = await dowear();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
}
case ':': // look
// Look is a free action — context.move stays 0
await look_here(g);
g.context.move = 0;
break;
case 'E': { // engrave
const res = await doengrave();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
}
case 'd': { // drop
const res = await dodrop();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
}
case 'o': { // open
const res = await doopen();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
}
case 'c': { // close
const res = await doclose();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
}
case ',': // pickup
// C ref: hack.c:3792 dopickup
{
const dpResult = await dopickup();
g.context.move = (dpResult & ECMD_TIME) ? 1 : 0;
}
break;
case 'w': { // wield
// C ref: wield.c dowield()
const res = await dowield();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
}
case 'i': // inventory
// C ref: invent.c ddoinv() → display_pickinv()
g.context.move = 0;
await ddoinv();
break;
case ')': { // current weapon
// C ref: invent.c doprwep()
g.context.move = 0;
if (g.u?.uwep) {
await pline(`You are wielding ${doname(g.u.uwep)}.`);
} else {
await pline('You are bare handed.');
}
break;
}
case '[': { // worn armor
// C ref: invent.c doprarm()
g.context.move = 0;
const wearingAnyArmor = !!(g.u?.uarm || g.u?.uarmc || g.u?.uarmh
|| g.u?.uarms || g.u?.uarmg || g.u?.uarmf || g.u?.uarmu);
if (!wearingAnyArmor) {
await pline('You are not wearing any armor.');
} else {
await pline('You are wearing armor.');
}
break;
}
case '=': { // worn rings
// C ref: invent.c doprring()
g.context.move = 0;
const left = g.u?.uleft || null;
const right = g.u?.uright || null;
if (!left && !right) {
await pline('You are not wearing any rings.');
} else if (left && right) {
await pline(`You are wearing ${doname(left)} (left) and ${doname(right)} (right).`);
} else {
await pline(`You are wearing ${doname(left || right)}.`);
}
break;
}
case '"': { // worn amulet
// C ref: invent.c dopramulet()
g.context.move = 0;
if (!g.u?.uamul) {
await pline('You are not wearing an amulet.');
} else {
await pline(`You are wearing ${doname(g.u.uamul)}.`);
}
break;
}
case '(': { // used tools
// C ref: invent.c doprtool()
g.context.move = 0;
let hasInUseTool = false;
for (let obj = g.invent; obj; obj = obj.nobj) {
if ((obj.owornmask & (W_TOOL | W_SADDLE)) !== 0) {
hasInUseTool = true;
break;
}
if (obj.oclass !== TOOL_CLASS) continue;
if (obj === g.u?.uwep || obj.lamplit || (obj.otyp === LEASH && (obj.leashmon || 0) > 0)) {
hasInUseTool = true;
break;
}
}
if (!hasInUseTool) {
await pline('You are not using any tools.');
} else {
await display_inventory(null, true);
}
break;
}
case '>': { // go downstairs
// C ref: do.c:1131 dodown() → next_level() → goto_level()
const level = g.level;
const u = g.u;
if (level && u) {
// C ref: do.c:dodown() calls set_move_cmd(DIR_DOWN, 0) before checks.
u.dx = 0; u.dy = 0; u.dz = 1;
const dn = level.dnstair;
if (dn && u.ux === dn.x && u.uy === dn.y) {
g.context.move = 1;
await goto_level({ dnum: u.uz.dnum, dlevel: u.uz.dlevel + 1 });
} else {
g.context.move = 0;
await You_cant('go down here.');
}
}
break;
}
case '_': { // travel
// C ref: cmd.c dotravel() + dotravel_target()
const tr = await dotravel_cmd();
g.context.move = (tr & ECMD_TIME) ? 1 : 0;
break;
}
// C ref: cmd.c:4351-4362 — prefix keys (PREFIXCMD flag)
// After the prefix, rhack loops back to got_prefix_input and reads
// another key via parse(). Both keys are consumed in ONE rhack call.
case 'g': case 'G': case 'F': case 'm': {
const prefixCh = typeof key === 'number' ? String.fromCharCode(key) : key;
// C: do_rush/do_run/do_fight sets context state, returns ECMD_OK
if (prefixCh === 'g') { g.context.run = 2; g.domove_attempting = (g.domove_attempting || 0) | 2; }
else if (prefixCh === 'G') { g.context.run = 3; g.domove_attempting = (g.domove_attempting || 0) | 2; }
else if (prefixCh === 'F') { g.context.forcefight = true; g.domove_attempting = (g.domove_attempting || 0) | 1; }
// 'm': reqmenu prefix, simplified
// C: goto got_prefix_input → parse() reads second key
// parse() emits ^multi[parse=0] and reads via readchar
pushMultiLog('parse', 0);
const followKey = await nhgetch();
const followDir = direction_from_key(followKey);
if (followDir) {
// C: MOVEMENTCMD after DOMOVE_RUSH → set multi, domove
g.u.dx = followDir[0];
g.u.dy = followDir[1];
g.u.dz = 0;
if (g.domove_attempting & 2) { // DOMOVE_RUSH
g.multi = Math.max(COLNO, ROWNO);
pushMultiLog('rhack', g.multi);
g.context.mv = true;
}
// C ref: cmd.c docmd MOVEMENTCMD path calls domove() immediately
// for F (forcefight) and walk (DOMOVE_WALK). Run/rush use multi loop.
if (prefixCh === 'F' || !(g.domove_attempting & 2)) {
await domove();
// C ref: cmd.c rhack() DOMOVE_WALK branch clears forcefight
// immediately after domove returns.
g.context.forcefight = false;
}
g.context.move = 1;
return;
}
// Non-direction follow-up → cancel (double prefix or invalid)
{
const cancelMsg = prefixCh === 'g' ? 'Double rush prefix, canceled.'
: prefixCh === 'G' ? 'Double run prefix, canceled.'
: prefixCh === 'F' ? 'Double fight prefix, canceled.'
: '';
if (cancelMsg) {
const _d = game?.nhDisplay || null;
if (_d) {
game._pending_message = cancelMsg;
_d.toplines = cancelMsg;
_d.topMessage = cancelMsg;
_d.toplin = 1;
pushRngLogEntry('^toplin[redotoplin=1]');
if (typeof _d.clearRow === 'function') {
_d.clearRow(0); _d.putstr(0, 0, cancelMsg);
}
}
}
}
g.context.run = 0;
g.domove_attempting = 0;
g.context.forcefight = false;
reset_cmd_vars(true);
return;
}
case '@': { // toggle autopickup
// C ref: options.c:9299 dotogglepickup()
g.context.move = 0;
g.flags.pickup = !g.flags.pickup;
if (g.flags.pickup) {
// C ref: oc_to_str converts pickup_types to symbols.
// If pickup_types is empty/unset, displays "all objects".
const pickupTypes = g.flags?.pickup_types || '';
const oclStr = pickupTypes ? pickupTypes : 'all';
// C ref: apelist (autopickup exceptions) adds exception note
const apelist = g.apelist || null;
let exceptStr = '';
if (apelist) {
let count = 0;
for (let ape = apelist; ape; ape = ape.next) count++;
exceptStr = count === 1
? ', with one exception'
: ', with some exceptions';
}
await pline(`Autopickup: ON, for ${oclStr} objects${exceptStr}.`);
} else {
await pline('Autopickup: OFF.');
}
break;
}
case 'v': { // chronicle (do_gamelog)
// C ref: cmd.c 'v' → do_gamelog() — show journal of major events
// Displays a text window with game log entries.
g.context.move = 0;
const logWin = create_nhwindow_menu(NHW_TEXT);
// C ref: insight.c:2579 — uses NHW_TEXT with putstr (plain text, no inverse)
// NHW_TEXT windows have offx=0 in C's H2344_BROKEN path.
logWin.forceOffx0 = true;
// Title is a regular text line, not an end_menu prompt.
add_menu_str(logWin, 'Logged events:');
const entries = g.gamelog || [];
if (entries.length === 0) {
add_menu_str(logWin, ' none');
} else {
// C ref: insight.c:2588 — " Turn" header then "%5ld: %s" per entry
add_menu_str(logWin, ' Turn');
for (const entry of entries) {
const turnStr = String(entry.turn || 0).padStart(5);
add_menu_str(logWin, `${turnStr}: ${entry.text}`);
}
}
end_menu(logWin, '');
await select_menu(logWin, 0); // PICK_NONE
destroy_nhwindow_menu(logWin);
break;
}
case '<': { // go upstairs
// C ref: do.c:1297 doup()
g.context.move = 0;
const level = g.level;
const u = g.u;
if (level && u) {
// C ref: do.c:doup() calls set_move_cmd(DIR_UP, 0) before checks.
u.dx = 0; u.dy = 0; u.dz = -1;
const stway = level.upstair;
if (!stway || u.ux !== stway.x || u.uy !== stway.y) {
await You_cant('go up here.');
} else if (u.uz.dlevel === 1) {
// C ref: do.c:1333 — escape from dungeon prompt
const ans = await ynFunction(
'Beware, there will be no return! Still climb?',
'yn', 'n'.charCodeAt(0), null
);
if (String.fromCharCode(ans).toLowerCase() === 'y') {
// C: prev_level → goto_level
g.context.move = 1;
await goto_level({ dnum: u.uz.dnum, dlevel: u.uz.dlevel - 1 });
}
} else {
g.context.move = 1;
await goto_level({ dnum: u.uz.dnum, dlevel: u.uz.dlevel - 1 });
}
}
break;
}
case ';': { // farlook (doquickwhatis)
// C ref: pager.c:2329 doquickwhatis() → do_look(1, NULL)
g.context.move = 0;
await doquickwhatis();
break;
}
case 'S': { // save game
// C ref: save.c dosave() — clear message before and after y_n.
g.context.move = 0;
if (g._pending_message) g._last_toplines = g._pending_message;
await tty_clear_nhwindow('message');
const saveAns = await ynFunction('Really save?', 'yn', 'n'.charCodeAt(0), null);
const saveCh = String.fromCharCode(saveAns).toLowerCase();
if (g._pending_message) g._last_toplines = g._pending_message;
await tty_clear_nhwindow('message');
if (saveCh === 'y') {
await pline('Saving...');
throw new GameQuit('Saving...');
}
if (g.multi > 0) {
nomul(0);
}
break;
}
case '!': { // shell escape
// C ref: cmd.c dosh() — spawn a subshell
g.context.move = 0;
throw new ShellEscape();
}
case '?': { // help
// C ref: pager.c:2860 dohelp()
g.context.move = 0;
const helpWin = create_nhwindow_menu();
start_menu(helpWin);
const items = [
['a', 'About NetHack (version information).'],
['b', 'Long description of the game and commands.'],
['c', 'List of game commands.'],
['d', 'Concise history of NetHack.'],
['e', 'Info on a character in the game display.'],
['f', 'Info on what a given key does.'],
['g', 'List of game options.'],
['h', 'Longer explanation of game options.'],
['i', "Using the '#optionsfull' or 'm O' command to set options."],
['j', 'Full list of keyboard commands.'],
['k', 'List of extended commands.'],
['l', 'List menu control keys.'],
['m', "Description of NetHack's command line."],
['n', 'The NetHack license.'],
['o', 'Support information.'],
];
for (const [id, text] of items) {
add_menu(helpWin, id, id, 0, 0, NO_COLOR, text, 0);
}
end_menu(helpWin, 'Select one item:');
const picked = await select_menu(helpWin, PICK_ONE);
destroy_nhwindow_menu(helpWin);
const sel = picked?.items?.[0]?.identifier || '';
if (sel === 'a') {
await doextversion_helpitem();
} else if (sel === 'b') {
await display_help_file('help');
} else if (sel === 'c') {
await display_help_file('hh');
} else if (sel === 'd') {
await display_help_file('history');
} else if (sel === 'e') {
await dowhatis();
} else if (sel === 'f') {
await dowhatdoes();
} else if (sel === 'g') {
await display_text_window_pages(build_option_help_lines(), { dismissRows: 23 });
} else if (sel === 'h') {
await display_help_file('opthelp');
} else if (sel === 'i') {
const optMenuLines = await load_help_file_lines('optmenu');
if (optMenuLines.length) {
await display_text_window_pages(optMenuLines, { dismissRows: 20 });
}
} else if (sel === 'j') {
await display_text_window_pages(build_key_bindings_help_lines(), { dismissRows: 14 });
} else if (sel === 'k') {
await display_help_file('cmdhelp');
} else if (sel === 'l') {
await display_text_window_pages(build_menu_controls_help_lines(), { dismissRows: 20 });
} else if (sel === 'm') {
const usageLines = await load_help_file_lines('usagehlp');
if (usageLines.length) {
await display_text_window_pages(usageLines, { dismissRows: 1 });
}
} else if (sel === 'n') {
await display_help_file('license');
} else if (sel === 'o') {
await display_text_window_pages(build_contact_help_lines(), { dismissRows: 5 });
}
break;
}
case '/': { // whatis
// C ref: pager.c dowhatis() -> do_look()
g.context.move = 0;
await dowhatis();
break;
}
case '\x7f': { // terrain (DEL binding in tty sessions)
await doterrain_cmd();
g.context.move = 0;
break;
}
case '\\': { // discoveries
// C ref: o_init.c dodiscovered() → display known items
g.context.move = 0;
// C: creates NHW_TEXT and writes a plain heading line, not an
// inverse prompt title.
const discWin = create_nhwindow_menu();
discWin.forceOffx0 = true;
discWin.preDisplayMessage = true;
add_menu_str(discWin, 'Discoveries, by order of discovery within each class');
add_menu_str(discWin, '');
const invOrder = g.flags?.inv_order || '';
const discoClassOrder = invOrder
? [...invOrder]
: [
WEAPON_CLASS, ARMOR_CLASS, SCROLL_CLASS, SPBOOK_CLASS,
POTION_CLASS, RING_CLASS, WAND_CLASS, AMULET_CLASS,
TOOL_CLASS, FOOD_CLASS, GEM_CLASS, COIN_CLASS,
];
let discoveredCt = 0;
for (const oclass of discoClassOrder) {
const classItems = [];
for (let i = 0; i < game.objects.length; i++) {
const od = game.objects[i];
if (!od || od.oc_class !== oclass) continue;
// C ref: o_init.c interesting_to_discover()
// Only objects with descriptions are listed, and only if
// discovered, encountered, or user-named.
if (!od.oc_descr) continue;
if (!od.oc_uname && !od.oc_name_known && !od.oc_encountered) {
continue;
}
classItems.push(i);
}
classItems.sort((a, b) => {
const ao = game.objects[a]?.oc_disco_order;
const bo = game.objects[b]?.oc_disco_order;
const av = Number.isInteger(ao) ? ao : Number.MAX_SAFE_INTEGER;
const bv = Number.isInteger(bo) ? bo : Number.MAX_SAFE_INTEGER;
return (av - bv) || (a - b);
});
if (!classItems.length) continue;
add_menu_heading(discWin, let_to_name(oclass));
for (const i of classItems) {
const od = game.objects[i];
// C ref: o_init.c dodiscovered() uses oc_encountered for prefix.
const prefix = od.oc_encountered ? ' ' : '* ';
let typename = od.oc_name || 'unknown';
if (oclass === SCROLL_CLASS) typename = `scroll of ${typename}`;
else if (oclass === SPBOOK_CLASS) typename = `spellbook of ${typename}`;
else if (oclass === POTION_CLASS) typename = `potion of ${typename}`;
else if (oclass === RING_CLASS) typename = `ring of ${typename}`;
else if (oclass === WAND_CLASS) typename = `wand of ${typename}`;
if (od.oc_descr) typename += ` (${od.oc_descr})`;
add_menu_str(discWin, `${prefix}${typename}`);
discoveredCt++;
}
}
if (!discoveredCt) {
add_menu_str(discWin, 'No items have been discovered yet.');
}
end_menu(discWin, null);
await select_menu(discWin, 0); // PICK_NONE
destroy_nhwindow_menu(discWin);
break;
}
case 'I': { // inventory types (dotypeinv)
// C ref: invent.c dotypeinv() + pickup.c query_category().
// Match C's category menu shape (all types + class entries +
// optional BUC section) so tty window geometry/parity lines up.
g.context.move = 0;
if (!g.invent) {
await You("aren't carrying anything.");
break;
}
const invtWin = create_nhwindow_menu();
start_menu(invtWin);
const classSet = new Set();
let blessedKnown = 0;
let uncursedKnown = 0;
for (let obj = g.invent; obj; obj = obj.nobj) {
const cls = game.objects[obj.otyp]?.oc_class;
if (cls) classSet.add(cls);
if (obj.bknown) {
if (obj.blessed) blessedKnown++;
else if (!obj.cursed) uncursedKnown++;
}
}
// C ref: query_category class ordering for inventory-category menus.
const classOrder = [
WEAPON_CLASS, ARMOR_CLASS, SCROLL_CLASS, SPBOOK_CLASS,
POTION_CLASS, RING_CLASS, WAND_CLASS, TOOL_CLASS,
];
let accel = 'a';
for (const cls of classOrder) {
if (!classSet.has(cls)) continue;
add_menu(invtWin, cls, accel, 0, 0, NO_COLOR, let_to_name(cls), 0);
accel = String.fromCharCode(accel.charCodeAt(0) + 1);
}
if (blessedKnown || uncursedKnown) {
add_menu_str(invtWin, '');
if (blessedKnown) {
add_menu(invtWin, 'B', 'B', 0, 0, NO_COLOR, 'Items known to be Blessed', 0);
}
if (uncursedKnown) {
add_menu(invtWin, 'U', 'U', 0, 0, NO_COLOR, 'Items known to be Uncursed', 0);
}
}
end_menu(invtWin, 'What type of object do you want an inventory of?');
await select_menu(invtWin, 1); // PICK_ONE
destroy_nhwindow_menu(invtWin);
break;
}
case 'D': { // multidrop
// C ref: do.c:dodrop() via pickup.c:query_category().
// Match category menu shape for parity (including CHOOSE_ALL help line).
g.context.move = 0;
if (!g.invent) {
await You("have nothing to drop.");
break;
}
const dropWin = create_nhwindow_menu();
start_menu(dropWin);
const classSet_dd = new Set();
let blessedKnown = 0;
let uncursedKnown = 0;
for (let obj = g.invent; obj; obj = obj.nobj) {
const od = game.objects[obj.otyp];
if (od) classSet_dd.add(od.oc_class);
if (obj.bknown) {
if (obj.blessed) blessedKnown++;
else if (!obj.cursed) uncursedKnown++;
}
}
// query_category CHOOSE_ALL entry + hint line.
add_menu(dropWin, 'A', 'A', 0, 0, NO_COLOR, 'Auto-select every relevant item', 0);
add_menu_str(dropWin, ' (ignored unless some other choices are also picked)');
add_menu_str(dropWin, '');
// query_category "All types" category selector.
add_menu(dropWin, 'a', 'a', 0, 0, NO_COLOR, 'All types', 0);
const classOrder = [
WEAPON_CLASS, ARMOR_CLASS, SCROLL_CLASS, SPBOOK_CLASS,
POTION_CLASS, RING_CLASS, WAND_CLASS, TOOL_CLASS,
];
let accel = 'b';
for (const cls of classOrder) {
if (!classSet_dd.has(cls)) continue;
add_menu(dropWin, cls, accel, 0, 0, NO_COLOR, let_to_name(cls), 0);
accel = String.fromCharCode(accel.charCodeAt(0) + 1);
}
add_menu_str(dropWin, '');
if (blessedKnown) add_menu(dropWin, 'B', 'B', 0, 0, NO_COLOR, 'Items known to be Blessed', 0);
if (uncursedKnown) add_menu(dropWin, 'U', 'U', 0, 0, NO_COLOR, 'Items known to be Uncursed', 0);
end_menu(dropWin, 'Drop what type of items?');
await select_menu(dropWin, 1); // PICK_ONE
destroy_nhwindow_menu(dropWin);
break;
}
case 'C': { // call/name
// C ref: do_name.c docallcmd()
const res = await docallcmd();
g.context.move = (res & ECMD_TIME) ? 1 : 0;
break;
}
case 'x': { // swap weapon
// C ref: wield.c doswapweapon() — swap primary/secondary weapon
const swapResult = await doswapweapon();
g.context.move = (swapResult & ECMD_TIME) ? 1 : 0;
break;
}
case 'p': { // pay shopkeeper
// C ref: shk.c dopay() — pay shopping bill
const payResult = await dopay();
g.context.move = payResult ? 1 : 0;
break;
}
case 'O': { // options
// C ref: options.c doset() -> doset_simple() in tty path
g.context.move = 0;
await doset_simple();
break;
}
case '\u001b': { // ESC — no-op, just clears message state
// C ref: cmd.c parse() → ESC returns without dispatching a command
g.context.move = 0;
break;
}
default: {
// C ref: cmd.c:4425-4436 — unknown/bad command
// C uses custompline(SUPPRESS_HISTORY, ...) which goes through addtopl.
const keyCode = (typeof key === 'string')
? (key.charCodeAt(0) || 0)
: Number(key || 0);
const keyStr = (keyCode >= 32 && keyCode < 127)
? String.fromCharCode(keyCode)
: `\\${keyCode}`;
const display = game?.nhDisplay || null;
const msg = `Unknown command '${keyStr}'.`;
// C: custompline → vpline → putmesg → tty_putstr → show_topl → addtopl
// Concatenates to the VISIBLE topline (only when toplin > 0).
// When toplin is EMPTY (0), the previous _pending_message is stale
// (retained by more() for ^P recall) and should not be concatenated.
if (display) {
const toplin = display.toplin ?? 0;
const existing = toplin > 0 ? (game._pending_message ?? '') : '';
const concat = existing ? existing + ' ' + msg : msg;
game._pending_message = concat;
display.toplines = concat;
display.topMessage = concat;
display.toplin = 1; // TOPLINE_NEED_MORE
pushRngLogEntry('^toplin[addtopl=1]');
if (typeof display.clearRow === 'function') {
display.clearRow(0);
display.putstr(0, 0, concat);
}
}
// C: context.move = FALSE, multi = 0, then return (no reset_cmd_vars)
g.context.move = 0;
pushCtxMoveLog('rhack', g.context.move);
g.multi = 0;
pushMultiLog('rhack', g.multi);
return;
}
}
// C ref: cmd.c:3807-3817 post-command tail — conditional dispatch:
// ECMD_CANCEL|ECMD_FAIL → reset_cmd_vars(TRUE)
// ECMD_OK (no ECMD_TIME) → reset_cmd_vars(multi < 0)
// ECMD_TIME → context.move = TRUE (skip reset_cmd_vars entirely)
if (g.context.move) {
// C ref: cmd.c:3818-3822 — if hero did anything other than kick,
// clear kickedloc so pets won't avoid it next turn
if (key !== '\u0004' /* Ctrl-D / kick */ && g.kickedloc) {
g.kickedloc.x = 0;
g.kickedloc.y = 0;
}
// Time-consuming command (ECMD_TIME): skip reset, just set move
pushCtxMoveLog('rhack', g.context.move);
} else {
// Free action or cancelled: reset all command state
// C ref: cmd.c:3811-3812
// ECMD_OK (no time) clears command queues only when multi < 0.
// Preserve queued canned/repeat commands in the common case.
reset_cmd_vars(g.multi < 0);
}
}
// C ref: cmd.c reset_cmd_vars() — reset all command-execution state
// Called after every command dispatch in rhack().
function reset_cmd_vars(reset_cmdq = true) {
const g = game;
g.context.run = 0;
g.context.nopick = false;
g.context.forcefight = false;
g.context.move = 0;
g.context.mv = false;
// g.domove_attempting = 0; // not yet tracked
g.multi = 0;
// g.iflags.menu_requested = false; // not yet tracked
g.context.travel = 0;
g.context.travel1 = 0;
if (reset_cmdq) {
cmdq_clear(CQ_CANNED);
cmdq_clear(CQ_REPEAT);
}
pushCtxMoveLog('reset_cmd_vars', g.context.move);
pushMultiLog('reset_cmd_vars', g.multi);
}
// C ref: hack.c:1853 handle_tip(TIP_SWIM)
async function handle_tip_swim() {
const g = game;
if (!g.flags?.tips) return false;
const tipsSeen = (g.context.tips ||= []);
if (tipsSeen[TIP_SWIM]) return false;
tipsSeen[TIP_SWIM] = true;
await pline("(Tip: use 'm' prefix to step in if you really want to.)");
return true;
}
// C ref: hack.c:1886 swim_move_danger()
async function swim_move_danger(newx, newy) {
const g = game;
const level = g.level;
const cur = level?.at?.(g.u?.ux, g.u?.uy);
const dst = level?.at?.(newx, newy);
if (!cur || !dst) return false;
const uSimpleFloorType = (x, y) => {
const loc = level?.at?.(x, y);
if (!loc) return ROOM;
const uInAir = Levitation() || Flying() || !grounded(g.youmonst?.data);
if (IS_WATERWALL(loc.typ)) return WATER;
if (loc.typ === LAVAWALL) return LAVAWALL;
if (!uInAir) {
if (is_pool(x, y)) return POOL;
if (is_lava(x, y)) return LAVAPOOL;
}
return ROOM;
};
const oldtyp = uSimpleFloorType(g.u.ux, g.u.uy);
const newtyp = uSimpleFloorType(newx, newy);
const knownWwalking = !!(g.u?.uarmf
&& g.u.uarmf.otyp === WATER_WALKING_BOOTS
&& g.objects?.[WATER_WALKING_BOOTS]?.oc_name_known
&& !g.u?.usteed);
const knownLwalking = !!(knownWwalking
&& Fire_resistance()
&& g.u?.uarmf?.oerodeproof
&& g.u?.uarmf?.rknown);
const liquidWall = IS_WATERWALL(newtyp) || newtyp === LAVAWALL;
const paranoidSwim = !!((g.flags?.paranoia_bits & PARANOID_SWIM) !== 0);
if (Underwater() && (is_pool(newx, newy) || IS_WATERWALL(newtyp))) {
return false;
}
if ((newtyp !== oldtyp)
&& !Stunned() && !Confusion()
&& !!dst.seenv
&& (is_pool(newx, newy) || is_lava(newx, newy) || liquidWall)) {
const enteringDangerousLiquid = (is_pool(newx, newy) && !knownWwalking)
|| (is_lava(newx, newy) && !knownLwalking && !is_lava(g.u.ux, g.u.uy))
|| liquidWall;
if (!enteringDangerousLiquid) return false;
if (g.context.nopick) {
const tipsSeen = (g.context.tips ||= []);
tipsSeen[TIP_SWIM] = true;
return false;
}
if (paranoidSwim || liquidWall) {
await You(`avoid ${ing_suffix(u_locomotion('step'))} into the ${waterbody_name(newx, newy)}.`);
await handle_tip_swim();
return true;
}
}
return false;
}
// C ref: hack.c:1550 trapmove()
// Returns true iff movement should continue toward destination.
async function trapmove_for_domove(newx, newy, desttrap = null) {
const g = game;
const u = g.u;
if (!u.utrap) return true;
let anchored = false;
const steedname = u.usteed ? y_monnam(u.usteed) : null;
switch (u.utraptype) {
case TT_BEARTRAP: {
// C ref: hack.c:1567-1580
if (g.flags?.verbose) {
const predicament = 'caught in a bear trap';
if (u.usteed) {
await Norep('%s is %s.', upstart(steedname), predicament);
} else {
await Norep('You are %s.', predicament);
}
}
// diagonal movement gives quickest escape
if ((u.dx && u.dy) || !rn2(5))
u.utrap--;
if (!u.utrap) {
// wriggle_free
if (u.usteed) {
await pline('%s finally lurches free.', upstart(steedname));
} else {
await You('finally wriggle free.');
}
if (anchored)
await buried_ball_to_punishment();
}
break;
}
case TT_PIT:
// C ref: hack.c:1581-1587
if (desttrap && desttrap.tseen && is_pit(desttrap.ttyp)) {
return true;
}
await climb_pit();
break;
case TT_WEB:
// C ref: hack.c:1588-1608
if (u_wield_art(ART_STING)) {
u.utrap = 0; // caller will call reset_utrap()
await pline('Sting cuts through the web!');
break;
}
if (--u.utrap) {
if (g.flags?.verbose) {
const predicament = 'stuck to the web';
if (u.usteed) {
await Norep('%s is %s.', upstart(steedname), predicament);
} else {
await Norep('You are %s.', predicament);
}
}
} else {
if (u.usteed) {
await pline('%s breaks out of the web.', upstart(steedname));
} else {
await You('disentangle yourself.');
}
}
break;
case TT_LAVA:
// C ref: hack.c:1610-1631
if (g.flags?.verbose) {
const predicament = 'stuck in the lava';
if (u.usteed) {
await Norep('%s is %s.', upstart(steedname), predicament);
} else {
await Norep('You are %s.', predicament);
}
}
if (!is_lava(newx, newy)) {
u.utrap--;
if ((u.utrap & 0xff) === 0) {
u.utrap = 0;
if (u.usteed) {
await You('lead %s to the edge of the %s.', steedname,
hliquid('lava'));
} else {
await You('pull yourself to the edge of the %s.',
hliquid('lava'));
}
}
}
u.umoved = true;
break;
case TT_INFLOOR:
case TT_BURIEDBALL:
// C ref: hack.c:1632-1681
anchored = (u.utraptype === TT_BURIEDBALL);
if (anchored) {
const cc = { x: u.ux, y: u.uy };
if (buried_ball(cc) && dist2(newx, newy, cc.x, cc.y) <= 2) {
if (g.flags?.verbose)
await Norep('You move within the chain\'s reach.');
return true;
}
}
if (--u.utrap) {
if (g.flags?.verbose) {
let predicament, culprit;
if (anchored) {
predicament = 'chained to the';
culprit = 'buried ball';
} else {
predicament = 'stuck in the';
culprit = surface(u.ux, u.uy);
}
if (u.usteed) {
if (anchored) {
await Norep('You and %s are %s %s.', steedname,
predicament, culprit);
} else {
await Norep('%s is %s %s.', upstart(steedname),
predicament, culprit);
}
} else {
await Norep('You are %s %s.', predicament, culprit);
}
}
} else {
// wriggle_free
if (u.usteed) {
await pline('%s finally %s free.', upstart(steedname),
!anchored ? 'lurches' : 'wrenches the ball');
} else {
await You('finally %s free.',
!anchored ? 'wriggle' : 'wrench the ball');
}
if (anchored)
await buried_ball_to_punishment();
}
break;
default:
break;
}
return false;
}
// C ref: hack.c:2625 carrying_too_much()
async function carrying_too_much() {
const u = game.u;
const wtcap = near_capacity();
const lowHpAndEncumbered = wtcap > SLT_ENCUMBER
&& (Upolyd()
? (u.mh < 5 && u.mh !== u.mhmax)
: (u.uhp < 10 && u.uhp !== u.uhpmax));
if ((wtcap >= OVERLOADED || lowHpAndEncumbered) && !Is_airlevel(u.uz)) {
if (wtcap < OVERLOADED) {
await You("don't have enough stamina to move.");
exercise(A_CON, false);
} else {
await You('collapse under your load.');
}
nomul(0);
return true;
}
return false;
}
// C ref: hack.c:2674 — domove()
// Thin wrapper that records pre-move state, calls domove_core(),
// then runs post-move effects (engraving smudge, runmode delay).
// RNG: indirect via domove_core (combat rolls, boulder exercise).
export async function domove() {
const g = game;
assertNotInModal('domove');
const u = g.u;
const ux1 = u.ux;
const uy1 = u.uy;
const domoveAttempting = g.domove_attempting ?? 0;
// C ref: hack.c:2679 — gd.domove_succeeded = 0L;
g.domove_succeeded = 0;
try {
await domove_core();
// C ref: hack.c:2682-2685 — if the attempt was WALK/RUSH and it
// succeeded, smudge engraved squares at old and new position and
// adjust the water-bubble hero tracker (water level only).
if ((g.domove_succeeded & (DOMOVE_RUSH | DOMOVE_WALK)) !== 0) {
maybe_smudge_engr(ux1, uy1, u.ux, u.uy);
// maybe_adjust_hero_bubble — only relevant on water level; noop otherwise.
if (typeof maybe_adjust_hero_bubble === 'function') maybe_adjust_hero_bubble();
}
} finally {
// C ref: hack.c:2686 — clear movement-attempt bits after each domove().
g.domove_attempting = 0;
// C ref: hack.c:2688 — domove() always clears kickedloc.
if (g.kickedloc) {
g.kickedloc.x = 0;
g.kickedloc.y = 0;
}
}
// C ref: hack.c domove() end — runmode_delay_output() (hack.c:3002).
// Not midlog-instrumented here (unlike allmain.c:596), so inline directly.
if ((g.context?.run || g.multi) && g.flags?.runmode !== RUN_TPORT) {
if (g.flags.runmode !== RUN_LEAP || !(g.moves % 7)) {
g.disp.time_botl = !!g.flags.time;
await curs_on_u();
await delay_output();
if (g.flags.runmode === RUN_CRAWL) {
await delay_output();
await delay_output();
await delay_output();
await delay_output();
}
}
}
}
// C ref: hack.c:2692 — domove_core(): the actual movement logic.
// Handles travel path selection, obstacle/monster bump checks, test_move,
// door opening, boulder push, trap activation, and spoteffects (pickup,
// traps, map messages) at the new position.
async function domove_core() {
const g = game;
// C ref: hack.c:2713 — reset door_opened at start of each domove_core.
g.context.door_opened = false;
const u = g.u;
const ux1 = u.ux;
const uy1 = u.uy;
const domoveAttempting = g.domove_attempting ?? 0;
let bc_control = 0;
let ballx = 0;
let bally = 0;
let chainx = 0;
let chainy = 0;
let cause_delay = false;
let newx = u.ux + u.dx;
let newy = u.uy + u.dy;
{
if (g.context.travel) {
const hadPath = await findtravelpath(TRAVP_TRAVEL);
if (!hadPath) {
await findtravelpath(TRAVP_GUESS);
}
g.context.travel1 = 0;
}
newx = u.ux + u.dx;
newy = u.uy + u.dy;
if (await carrying_too_much()) {
return;
}
// C ref: hack.c domove_core() sets previous position at start of move logic.
// This prevents stale ux0/uy0 from earlier turns from triggering
// move-end effects (for example maybe_smudge_engr) on failed moves.
u.ux0 = u.ux;
u.uy0 = u.uy;
// C ref: hack.c:2428 impaired_movement()
if (u_maybe_impaired()) {
let tries = 0;
do {
if (tries++ > 50) {
nomul(0);
return;
}
confdir(true);
newx = u.ux + u.dx;
newy = u.uy + u.dy;
} while (!isok(newx, newy) || bad_rock(g.youmonst?.data, newx, newy));
}
// C ref: hack.c domove_core() move_out_of_bounds() check.
if (!isok(newx, newy)) {
nomul(0);
g.context.move = 0;
pushCtxMoveLog('move_out_of_bounds', g.context.move);
return;
}
if (await escape_from_sticky_mon(newx, newy)) {
return;
}
// C ref: hack.c:2872-2876 — move ball and chain before entering destination.
if (Punished()) {
const drag = await drag_ball(
newx, newy,
bc_control, ballx, bally, chainx, chainy, cause_delay,
true,
);
if (!drag.result) {
return;
}
bc_control = drag.bc_control;
ballx = drag.ballx;
bally = drag.bally;
chainx = drag.chainx;
chainy = drag.chainy;
cause_delay = drag.cause_delay;
}
const mtmp = m_at(newx, newy);
if (mtmp && !is_safemon(mtmp)) {
// C ref: hack.c:2773-2786 — while running, stop instead of attacking
// a visible/sensed non-safemon (including pets when confusion/stun
// disables safemon protection).
if (g.context.run
&& ((!Blind()
&& mon_visible(mtmp)
&& mtmp.m_ap_type !== M_AP_FURNITURE
&& mtmp.m_ap_type !== M_AP_OBJECT)
|| sensemon(mtmp))) {
nomul(0);
g.context.move = 0;
pushCtxMoveLog('domove_core', g.context.move);
return;
}
}
if (mtmp) {
// C ref: hack.c:2801 — nomul(0) before attack for non-safe or forcefight
if (!is_safemon(mtmp) || g.context.forcefight)
nomul(0);
// C ref: hack.c domove_core — do_attack() handles safe + hostile monsters
const attacked = await do_attack(mtmp);
if (attacked) {
// C ref: hack.c domove_attackmon_at returns TRUE → domove() returns
// early before runmode_delay_output(). Combat ends the move.
return;
}
// Safemon swap: C falls through to runmode_delay_output() after swap.
await swap_with_mon(mtmp, newx, newy);
} else {
// C ref: hack.c domove_fight_empty — forcefight at empty/solid tile,
// and also remembered-invisible marker when using a movement command.
// C ref: domove keys this on the rendered glyph. rendered_ch reads
// game.gbuf.rows[y][x].ch (the live render buffer).
const rememberedInvisMarker = !g.context.forcefight
&& !g.context.nopick
&& rendered_ch(newx, newy) === 'I';
if (g.context.forcefight || rememberedInvisMarker) {
if (rememberedInvisMarker) {
// C ref: domove_fight_empty() unmap_object(x,y); newsym(x,y);
// before issuing "You attack thin air."
unmap_object(newx, newy);
newsym(newx, newy);
}
const lev = g.level?.at?.(newx, newy);
const typ = lev?.typ ?? STONE;
const solid = typ < DOOR; // C: !ACCESSIBLE(typ) = !(typ >= DOOR)
const buf = (solid && typ !== STONE) ? 'the wall'
: solid ? 'the stone'
: 'thin air';
await You(`${solid ? 'harmlessly attack' : 'attack'} ${buf}.`);
nomul(0);
g.context.move = 1;
return;
}
// C ref: hack.c avoid_trap_andor_region() known-trap confirmation.
if ((g.flags?.paranoia_bits & PARANOID_TRAP) !== 0) {
const trap = t_at(newx, newy);
if (!Stunned() && !Confusion()
&& (!g.context.nopick || g.context.run)
&& trap && trap.tseen
&& (await test_move(u.ux, u.uy, newx - u.ux, newy - u.uy, TEST_MOVE))) {
const into = into_vs_onto(trap.ttyp);
const q = `Really ${u_locomotion('step')} ${into ? 'into' : 'onto'} that ${trapname(trap.ttyp, false)}?`;
const ans = await ynFunction(q, 'yn', 'n', false);
if (ans !== 'y'.charCodeAt(0) && ans !== 'Y'.charCodeAt(0)) {
nomul(0);
g.context.move = 0;
pushCtxMoveLog('avoid_trap_andor_region', g.context.move);
return;
}
}
}
// C ref: hack.c domove_core() trapmove() before test_move().
if (u.utrap) {
const moved = await trapmove_for_domove(newx, newy, t_at(newx, newy));
if (!u.utrap) {
setBotl('domove_core');
await reset_utrap(true);
}
if (!moved) return;
}
if (await swim_move_danger(newx, newy)) {
g.context.move = 0;
pushCtxMoveLog('domove_core', g.context.move);
nomul(0);
return;
}
// C ref: hack.c:2853-2860 — movement legality and side-effects live in test_move().
if (!await test_move(u.ux, u.uy, newx - u.ux, newy - u.uy, DO_MOVE)) {
if (!g.context.door_opened) {
g.context.move = 0;
pushCtxMoveLog('domove_core', g.context.move);
nomul(0);
}
return;
}
u.ux = newx;
u.uy = newy;
// C ref: hack.c:2975 — check_leash before umoved/vision update
await check_leash(u.ux0, u.uy0);
u.umoved = true;
g.domove_succeeded |= (g.domove_attempting ?? 0) & (DOMOVE_RUSH | DOMOVE_WALK);
const loc = game.level?.at(newx, newy);
const typ = loc?.typ ?? 0;
if (g.context.run && g.context.run < 8
&& (typ === DOOR || IS_OBSTRUCTED(typ) || IS_FURNITURE(typ))) {
nomul(0);
}
if (Punished()) {
// C ref: hack.c:2988-2989 — place updated ball/chain before spoteffects().
move_bc(0, bc_control, ballx, bally, chainx, chainy);
}
await finishHeroMove(newx, newy);
if (cause_delay) {
// C ref: hack.c:2996-3000 — delay next move when dragging ball.
nomul(-2);
g.multi_reason = 'dragging an iron ball';
g.nomovemsg = '';
}
// C ref: hack.c:2941 — gd.domove_succeeded |= (gd.domove_attempting & (WALK|RUSH))
// happens only when hero successfully moved. Already set above
// as u.umoved=true; record the success for the outer wrapper.
if ((domoveAttempting & (DOMOVE_RUSH | DOMOVE_WALK))
&& (u.ux !== ux1 || u.uy !== uy1)) {
g.domove_succeeded |= (domoveAttempting & (DOMOVE_RUSH | DOMOVE_WALK));
}
} // end else (no monster)
}
}
// C ref: hack.c:2619 escape_from_sticky_mon()
async function escape_from_sticky_mon(x, y) {
const g = game;
if (!g.u.ustuck || (x === g.u.ustuck.mx && y === g.u.ustuck.my)) {
return false;
}
let mtmp;
if (!m_next2u(g.u.ustuck)) {
set_ustuck(null);
} else if (sticks(g.youmonst?.data)) {
mtmp = g.u.ustuck;
set_ustuck(null);
await You(`release ${y_monnam(mtmp)}.`);
} else {
switch (rn2(!g.u.ustuck.mcanmove ? 8 : 40)) {
case 3:
if (!g.u.ustuck.mcanmove) {
g.u.ustuck.mfrozen = 1;
g.u.ustuck.msleeping = 0;
}
// fallthrough
default:
if (Conflict() || g.u.ustuck.mconf || !g.u.ustuck.mtame) {
await You(`cannot escape from ${y_monnam(g.u.ustuck)}!`);
nomul(0);
return true;
}
// fallthrough
case 0:
case 1:
case 2:
mtmp = g.u.ustuck;
set_ustuck(null);
await You(`pull free from ${y_monnam(mtmp)}.`);
break;
}
}
return false;
}
// C ref: teleport.c:717 safe_teleds()
// Tries up to 40 random positions, then systematic search.
// RNG: rnd(COLNO-1) + rn2(ROWNO) per attempt.
// do_attack and heroMeleeAttack moved to uhitm.js
async function swap_with_mon(mtmp, x, y) {
const u = game.u;
const ux0 = u.ux;
const uy0 = u.uy;
// C ref: hack.c:2155-2162 — check for undisplaceable peaceful monsters.
// In C, the hero has already tentatively moved to (x,y) at this point.
// If the swap fails, C undoes the move but the turn is still consumed
// (context.move stays 1, so monsters get their turns).
if (mtmp.mpeaceful && mundisplaceable(mtmp)) {
await You(`stop. ${y_monnam(mtmp)} doesn't want to swap places.`);
// Turn is consumed but hero doesn't move — matches C's didnt_move=TRUE
return;
}
// C ref: hack.c:2162-2168 — remove monster, place at hero's old pos, newsym both.
mtmp.mtrapped = 0;
remove_monster_steed(x, y);
place_monster(mtmp, ux0, uy0);
// Move hero to new position BEFORE newsym (matches C where hero already moved)
u.ux = x;
u.uy = y;
u.umoved = true;
newsym(x, y); // redraw hero's new pos (was pet's pos) — shows hero
newsym(ux0, uy0); // redraw hero's old pos (now pet's pos) — shows pet
// C ref: hack.c:2170 — message after newsym
await You(`swap places with ${y_monnam(mtmp)}.`);
await finishHeroMove(x, y);
}
// Local dofire/dothrow_like stubs removed — now using real dothrow.js exports
// C ref: cmd.c — look_here()
// Report what's at the hero's current position.
async function look_here(g) {
const u = g.u;
if (!u || !g.level) return;
const loc = g.level.at(u.ux, u.uy);
if (!loc) return;
const verb = Blind() ? 'feel' : 'see';
const trap = t_at(u.ux, u.uy);
if (trap && trap.tseen) {
await There(`is ${an(trapname(trap.ttyp, false))} here.`);
}
// Check for stairs
const up = g.level.upstair;
const dn = g.level.dnstair;
if (loc.typ === STAIRS) {
if (up && u.ux === up.x && u.uy === up.y) {
await pline('There is a staircase up out of the dungeon here.');
} else if (dn && u.ux === dn.x && u.uy === dn.y) {
await pline('There is a staircase down here.');
}
}
// Check for objects on the floor
let foundObject = false;
if (g.level.objects) {
for (const obj of g.level.objects) {
if (obj.ox === u.ux && obj.oy === u.uy) {
foundObject = true;
await pline(`You see here ${doname_with_price(obj)}.`);
break;
}
}
}
if (!foundObject) {
await read_engr_at(u.ux, u.uy);
}
// Check for special terrain
if (IS_DOOR(loc.typ)) {
const mask = loc.doormask ?? loc.flags ?? 0;
if (mask & D_BROKEN) await pline('There is a broken door here.');
else if (mask & D_ISOPEN) await pline('There is an open door here.');
else if (mask & D_CLOSED) await pline('There is a closed door here.');
else if (mask & D_LOCKED) await pline('There is a locked door here.');
else await pline('There is a doorway here.');
}
if (loc.typ === FOUNTAIN) await pline('There is a fountain here.');
if (loc.typ === THRONE) await pline('There is an opulent throne here.');
if (loc.typ === SINK) await pline('There is a sink here.');
if (loc.typ === GRAVE) await pline('There is a headstone here.');
if (loc.typ === ALTAR) await pline('There is an altar here.');
if (!foundObject && loc.typ !== FOUNTAIN && loc.typ !== THRONE
&& loc.typ !== SINK && loc.typ !== GRAVE && loc.typ !== ALTAR
&& !IS_DOOR(loc.typ) && loc.typ !== STAIRS) {
await You(`${verb} no objects here.`);
}
}
// C ref: detect.c:2006 — dosearch0()
// Search surrounding squares for hidden doors, corridors, and traps.
// RNG: rnl(7-fund) for SDOOR/SCORR, rnl(8) for unseen traps
// _emitMidlog: C midlog macros only fire when dosearch0 is called from
// OUTSIDE detect.c (e.g., moveloop auto-search in allmain.c). Calls from
// within detect.c (explicit 's' command via dosearch()) do NOT emit midlogs
// because MIDLOG_IN_DETECT_C suppresses the macro inside the same file.
export async function dosearch0(aflag, _emitMidlog = false) {
const g = game;
const u = g.u;
if (!u || !g.level) return 1;
// C ref: detect.c:2027-2033 — fund from artifact search + lenses
let fund = 0;
// TODO: check uwep artifact SPFX_SEARCH for spe bonus
if (u.ublindf && u.ublindf.otyp === LENSES && !Blind())
fund += 2;
if (fund > 5) fund = 5;
if (_emitMidlog) pushRngLogEntry('>dosearch0');
for (let x = u.ux - 1; x < u.ux + 2; x++) {
for (let y = u.uy - 1; y < u.uy + 2; y++) {
if (!isok(x, y)) continue;
if (x === u.ux && y === u.uy) continue;
const loc = g.level.at(x, y);
if (!loc) continue;
if (loc.typ === SDOOR) {
if (rnl(7 - fund)) continue;
cvt_sdoor_to_door(loc);
recalc_block_point(x, y);
exercise(A_WIS, true);
nomul(0);
feel_location(x, y);
set_msg_xy(x, y);
await You('find a hidden door.');
} else if (loc.typ === SCORR) {
if (rnl(7 - fund)) continue;
loc.typ = CORR;
unblock_point(x, y);
exercise(A_WIS, true);
nomul(0);
feel_newsym(x, y);
set_msg_xy(x, y);
await You('find a hidden passage.');
} else {
// C ref: detect.c:2064-2066 — check for hidden monsters
if (!aflag) {
const mtmp = m_at(x, y);
if (mtmp) {
const mfres = await mfind0(mtmp, false);
if (mfres === -1 || mfres === 1) {
// found invisible or detected monster
}
}
}
// C ref: detect.c:2079-2088 — check for unseen traps
const trap = g.level.traps?.find(t => t.tx === x && t.ty === y);
if (trap && !trap.tseen && !rnl(8)) {
nomul(0);
if (trap.ttyp === STATUE_TRAP) {
if (await activate_statue_trap(trap, x, y, false))
exercise(A_WIS, true);
if (_emitMidlog) pushRngLogEntry('<dosearch0=1');
return 1;
} else {
await find_trap(trap);
}
}
}
}
}
if (_emitMidlog) pushRngLogEntry('<dosearch0=1');
return 1;
}
// C ref: detect.c:2097 — dosearch()
async function dosearch() {
// C ref: detect.c:2100 — cmd_safety_prevention check
if (await cmd_safety_prevention('Searching', 'another search',
'You already found a monster.', 'already_found_flag')) {
return 0;
}
return (await dosearch0(0, false)) ? 1 : 0;
}
// C ref: cmd.c timed_occupation()
// The stored callback (timed_occ_fn) can be async — it may call pline,
// which may trigger more(), which needs nhgetch. If this function doesn't
// await the callback, the Promise floats and allows other game code to
// run during the modal wait. See #297 for the general pattern.
async function timed_occupation() {
pushRngLogEntry('>timed_occupation');
if (typeof game.timed_occ_fn === 'function') {
await game.timed_occ_fn();
}
if (game.multi > 0) {
game.multi--;
}
const rv = game.multi > 0 ? 1 : 0;
pushRngLogEntry(`<timed_occupation=${rv}`);
return rv;
}
// C ref: cmd.c set_occupation()
// C ref: cmd.c set_occupation() — sets game.occupation with midlog events
// Exported as both set_occupation (C name) and set_occupation_cmd (legacy)
export function set_occupation(fn, txt, xtime, logMonsterNearby = false) {
const g = game;
pushRngLogEntry('>set_occupation');
if (xtime) {
game.timed_occ_fn = fn;
g.occupation = timed_occupation;
} else {
g.occupation = fn;
}
g.occtxt = txt;
g.occtime = 0;
g._occupation_log_monster_nearby = !!logMonsterNearby;
pushRngLogEntry('<set_occupation');
}
// C ref: hack.c:4022 — monster_nearby()
// Check if any hostile monster is adjacent to the player.
// C wraps this in midlog via hack.h macro (midlog_enter + midlog_wrap_int).
// monster_nearby: imported from hack.js
// ── ddoinv: display inventory ──
// C ref: invent.c ddoinv() -> dispinv_with_action() -> display_inventory()
export async function ddoinv() {
const g = game;
if (!g.invent) {
await pline('Not carrying anything.');
return;
}
const c = await display_inventory(null, true);
if (!c || c === '\x1b') {
return;
}
const otmp = find_inventory_obj_by_letter(c);
if (otmp) {
await itemactions(otmp);
}
}
// itemactions, itemactions_title, itemactions_pushkeys moved to iactions.js
// C ref: hack.c nomul() — cancel multi-turn actions
export function nomul(nval) {
const g = game;
if (g.multi < nval) return; // bug fix from C
if (g.multi >= 0) g.disp.botl = true;
g.u.uinvulnerable = false;
g.u.usleep = 0;
g.multi = nval;
pushMultiLog('nomul', g.multi);
if (nval === 0) {
g.multi_reason = null;
}
end_running(true);
cmdq_clear(CQ_CANNED);
}
// C ref: cmd.c getdir() — get direction from user
// Canonical export — was duplicated as local stubs in 8+ files
export async function getdir(prompt) {
const g = game;
// C ref: cmd.c:getdir() — retry loop is only used when '?' asks for help.
while (true) {
const promptText = (prompt && !prompt.startsWith('^')) ? prompt : 'In what direction?';
const dirsym = await ynFunction(promptText, null, '\0', false);
await tty_clear_nhwindow('message');
if (dirsym === 27) return false; // ESC
const key = typeof dirsym === 'number'
? String.fromCharCode(dirsym)
: String(dirsym || '');
if (key === '.' || key === 's') {
g.u.dx = 0; g.u.dy = 0; g.u.dz = 0;
confdir(false);
return true;
}
if (key === '<') {
g.u.dx = 0; g.u.dy = 0; g.u.dz = -1;
return true;
}
if (key === '>') {
g.u.dx = 0; g.u.dy = 0; g.u.dz = 1;
return true;
}
const dir = direction_from_key(dirsym);
if (dir) {
g.u.dx = dir[0];
g.u.dy = dir[1];
g.u.dz = 0;
confdir(false);
return true;
}
// C ref: cmd.c:getdir() uses movecmd(); even on invalid input it
// sets u.dz=0 before reporting failure. Preserve that side effect so
// stale vertical direction from prior commands does not leak.
g.u.dz = 0;
// C ref: cmd.c:getdir() invalid-dir branch:
// quitchars silently fail; '?' can show help and retry.
if (key !== ' ' && key !== '\n' && key !== '\r' && key !== '\x1b') {
const helpRequested = (key === '?');
if (helpRequested || g.iflags?.cmdassist) {
const didHelp = await help_dir((prompt && prompt.startsWith('^')) ? key : '\0',
helpRequested ? null : 'Invalid direction key!');
if (helpRequested) continue; // retry prompt
if (!didHelp)
await pline('What a strange direction!');
} else {
await pline('What a strange direction!');
}
}
return false;
}
}
// C ref: cmd.c:4297 — confdir()
// If hero is impaired (stunned or confused), pick random movement direction.
const dirs_ord = [0, 2, 4, 6, 1, 3, 5, 7];
export function confdir(force_impairment) {
const u = game.u;
if (force_impairment || u_maybe_impaired()) {
const kmax = NODIAG(u.umonnum) ? Math.trunc(N_DIRS / 2) : N_DIRS;
const k = dirs_ord[rn2(kmax)];
u.dx = xdir[k];
u.dy = ydir[k];
}
}
export function init_cmd_globals() {
game.timed_occ_fn = null;
}
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