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— Top-level game entry point
// This is the JS equivalent of C's unixmain.c → nethack_main().
// Creates and runs a full NetHack game session.
//
// Usage:
// const game = new NethackGame({ seed: 42, role: 'Wizard', ... });
// await game.start(); // newgame + moveloop_preamble
// await game.playTurns(keys); // feed keystrokes through moveloop
// game.getRngLog(); // get RNG call log for comparison
import { decl_globals_init } from './decl.js';
import { game } from './gstate.js';
import { initRng, enableRngLog, getRngLog, getRngCallCount, pushRngLogEntry } from './rng.js';
import {
getlin,
isStartupPromptPhase,
nhgetch,
pushInput,
resetInputModuleState,
setStartupPromptPhase,
ynFunction,
} from './input.js';
import { newgame, moveloop_preamble, moveloop_core, moveloop_core_monsters_only, maybe_do_tutorial } from './allmain.js';
import { time_from_yyyymmddhhmmss } from './calendar.js';
import { rn2 } from './rng.js';
import { COPYRIGHT_BANNER_A, COPYRIGHT_BANNER_B, COPYRIGHT_BANNER_C, COPYRIGHT_BANNER_D, TELEPORT_BANNER_C, NHW_MENU, PRIMARYSET, ROGUESET, ROLE_ALIGNMASK, ROLE_ALIGNS, ROLE_FEMALE, ROLE_GENDERS, ROLE_GENDMASK, ROLE_MALE, ROLE_NONE, ROLE_RACEMASK, ROLE_RANDOM, TOPLINE_EMPTY, AUTOUNLOCK_APPLY_KEY } from './const.js';
import { roles, races, aligns } from './roles.js';
import { createHeadlessPromptRuntime } from './headless_prompt_runtime.js';
import { docorner, docrt, erase_menu_or_text, init_tty_windows, resetDisplayState, serialize_terminal_grid, setBotlx, status_initialize, tty_create_nhwindow, tty_destroy_nhwindow, tty_dismiss_nhwindow, tty_display_nhwindow } from './display.js';
import { ATR_INVERSE, CLR_GRAY } from './terminal.js';
import { enterModal, exitModal } from './modal_guard.js';
import { init_symbols, load_symset, parsesymbols, reglyph_darkroom } from './drawing.js';
import { bind_key } from './cmd.js';
import { You } from './pline.js';
import { resetSpoteffectsState } from './hack.js';
export class NethackGame {
constructor(options = {}) {
this.seed = options.seed || 1;
this.nethackrc = options.nethackrc || ''; // .nethackrc contents
this.datetime = options.datetime || null; // "yyyymmddhhmmss" string
this.logRng = options.logRng ?? true;
// Parsed from nethackrc during start()
this._parsedOptions = null;
// Per-step screen captures for comparison
this._screens = [];
this._cursors = [];
}
// Initialize game state and generate first level.
// The nethackrc string is parsed the same way C parses .nethackrc:
// OPTIONS lines set flags. If role/race/gender/align are all specified,
// character selection prompts are skipped. If any are missing, the game
// prompts for them via the input queue (same code path, different inputs).
// Install replay/test capture hook — fires at each input boundary.
// Harness-only: this collects PES artifacts (screen/cursor/RNG slices)
// and must never own gameplay behavior.
installCaptureHook() {
const nhGame = this;
game._nhGameRef = nhGame; // menu.js needs access to screens array
nhGame._rngSlices = []; // per-step RNG log slices
nhGame._lastRngIdx = 0; // track position in flat RNG log
nhGame._nhgetchCount = 0; // tracks key index for type-ahead detection
game._preNhgetchHook = async () => {
// Capture the frame that exists just before the next key is read.
// This models C NOMUX session capture timing.
// Skip capture for type-ahead keys: C consumed them without a
// NOMUX blocking point, so no screen was captured.
const keyIdx = nhGame._nhgetchCount++;
if (nhGame._typeAheadCaptures?.has(keyIdx)) return;
const fullLog = getRngLog() || [];
const slice = fullLog.slice(nhGame._lastRngIdx);
let screen = '';
const queuedScreens = game._captureScreensQueue;
if (Array.isArray(queuedScreens) && queuedScreens.length > 0) {
screen = queuedScreens.shift() || '';
if (queuedScreens.length === 0) {
game._captureScreensQueue = null;
game._menuActive = false;
}
} else if (game.startupPromptPhase) {
// During startup (copyright, welcome, chargen): use docrt
// since there's no map state to conflict with. Startup
// screens need docrt's cursor positioning from the render.
await docrt(false, true);
screen = game._screen_output || '';
} else {
// C only paints gnew during explicit flush_screen() calls
// (pline, curs_on_u, etc.), never at nhgetch time. The
// capture hook is pure observation — no flush_glyph_buf.
const disp = game?.nhDisplay;
screen = disp?.grid ? serialize_terminal_grid(disp) : '';
}
nhGame._screens.push(screen);
if (process?.env?.WEBHACK_TRACE_CAPIDX) {
const disp = game?.nhDisplay;
const top = String(screen.split('\n')[0] || '');
const hasMore = slice.some(e => typeof e === 'string' && e.includes('>more'));
// eslint-disable-next-line no-console
console.log('[CAP]', keyIdx, 'owner=', game.modalOwner || '-', 'hasMore=', hasMore, 'toplin=', disp?.toplin ?? 'na', 'top=', JSON.stringify(top));
}
// Capture per-step RNG slice
nhGame._rngSlices.push(slice.map(e =>
typeof e === 'string' ? e.replace(/^\d+\s+/, '') : String(e)
));
nhGame._lastRngIdx = fullLog.length;
game._monmove_since_capture = false;
// Capture cursor position for comparison
const disp = game?.nhDisplay || null;
if (disp) {
const queuedCursors = game._captureCursorsQueue;
if (Array.isArray(queuedCursors) && queuedCursors.length > 0) {
const nextCursor = queuedCursors.shift();
nhGame._cursors.push(nextCursor || [disp.cursorCol, disp.cursorRow, disp.cursorVisible ? 1 : 0]);
if (queuedCursors.length === 0) game._captureCursorsQueue = null;
} else {
nhGame._cursors.push([disp.cursorCol, disp.cursorRow, disp.cursorVisible ? 1 : 0]);
}
}
};
}
async start() {
decl_globals_init(); // creates game + calls all init_*_globals()
// resetDisplayState and resetSpoteffectsState now in init_*_globals
// Install pending display from gameFromSession (after game exists)
if (this._pendingDisplay) {
game.nhDisplay = this._pendingDisplay;
setStartupPromptPhase(true);
this._pendingDisplay = null;
}
const g = game;
// Install capture hook right after game state exists, before any prompts
if (this._installHookAfterInit) {
this.installCaptureHook();
}
// from-keylog: force startup prompt flow so legacy/welcome display
if (this._forcePromptedStartup) {
g.promptedStartup = true;
}
// Pin datetime (must be before any calendar functions)
if (this.datetime) {
g.fixed_datetime = time_from_yyyymmddhhmmss(this.datetime);
}
// Debug: trace all nhgetch key reads
if (this._dbgTraceKeys) g._dbgTraceKeys = true;
// Parse nethackrc to set game options (same as C's initoptions)
const opts = parseNethackrc(this.nethackrc);
g.flags.initrole = opts.role;
g.flags.initrace = opts.race;
g.flags.initgend = opts.gender;
g.flags.initalign = opts.align;
g.plname = opts.name || '';
g.flags.debug = opts.wizard;
g.flags.explore = opts.explore;
// C ref: options.c set_playmode() — wizard mode overrides plname
if (g.flags.debug) g.plname = 'wizard';
g.flags.randomall = false;
g.flags.pickup = opts.autopickup;
// C ref: options.c:1089 optfn_autounlock(do_init) default = AUTOUNLOCK_APPLY_KEY
g.flags.autounlock = AUTOUNLOCK_APPLY_KEY;
// Boolean display flags from nethackrc
g.flags.showexp = opts.showexp;
g.flags.time = opts.time;
g.flags.verbose = opts.verbose;
g.flags.lit_corridor = opts.lit_corridor;
g.flags.pushweapon = opts.pushweapon;
g.flags.mention_walls = opts.mention_walls;
g.flags.color = opts.color;
g.flags.dark_room = opts.dark_room;
g.flags.pettype = opts.pettype;
g.flags.legacy = opts.legacy;
g.iflags.fireassist = opts.fireassist;
g.iflags.wc_splash_screen = opts.splash_screen;
// C ref: options.c:3217-3242 optfn_pettype maps to preferred_pet.
if (opts.pettype === 'cat' || opts.pettype === 'c') g.preferred_pet = 'c';
else if (opts.pettype === 'dog' || opts.pettype === 'd') g.preferred_pet = 'd';
else if (opts.pettype === 'horse' || opts.pettype === 'h') g.preferred_pet = 'h';
else if (opts.pettype === 'none' || opts.pettype === 'n') g.preferred_pet = 'n';
else g.preferred_pet = '\0';
// C ref: topl.c/tty defaults — Ctrl-P repeats prior topline in-place.
g.iflags.prevmsg_window = opts.msg_window || 's';
g.flags.tutorial = opts.tutorial;
g.flags.biff = opts.mail; // C ref: flags.biff — enable mail daemon
g.flags.symset = opts.symset || null;
g.tutorial_set_in_config = !!opts.tutorial_set;
// Initialize symbol set system (C ref: symbols.c init_symbols())
init_symbols();
if (g.flags.symset) load_symset(g.flags.symset);
// Apply per-symbol SYMBOLS= overrides from .nethackrc
// C ref: cfgfiles.c SYMBOLS= lines → parsesymbols()
if (opts.symbols) {
for (const line of opts.symbols) parsesymbols(line, PRIMARYSET);
}
if (opts.rogueSymbols) {
for (const line of opts.rogueSymbols) parsesymbols(line, ROGUESET);
}
reglyph_darkroom();
// Apply BIND= custom key bindings from .nethackrc
// C ref: cfgfiles.c BIND=key:command → cmd.c bind_key()
if (opts.bindings) {
for (const spec of opts.bindings) {
const colonIdx = spec.indexOf(':');
if (colonIdx < 0) continue;
const keySpec = spec.slice(0, colonIdx).trim();
const cmdName = spec.slice(colonIdx + 1).trim();
// Parse key spec: single char, ^X for ctrl, M-x for meta
const keyCode = parseKeySpec(keySpec);
if (keyCode != null && cmdName) {
bind_key(keyCode, cmdName);
}
}
}
g.u.uz = { dnum: 0, dlevel: 1 };
g._statusWindowDataInit = false;
// Initialize RNG
initRng(this.seed);
if (this.logRng) enableRngLog(false);
// C ref: tty_init_nhwindows creates BASE window, then newgame
// creates MESSAGE, STATUS, MAP, INVEN windows (slots 0-4).
init_tty_windows();
// C ref: windows.c:692 — set after choose_windows/init_nhwindows
if (game.iflags) game.iflags.window_inited = true;
pushRngLogEntry('^toplin[tty_init_nhwindows=0]');
status_initialize();
// C ref: allmain.c:758 — display_nhwindow(WIN_MESSAGE, FALSE)
// Called after status_initialize, before newgame, to flush message window.
await tty_display_nhwindow('message', false);
// C ref: wintty.c:568 — display copyright banner at row 4
// before "Who are you?" prompt. Uses tty_curs + tty_putstr.
const display = game?.nhDisplay || null;
if (display) {
// C ref: wintty.c:568 — copyright at row 4
const bannerC = this.versionBanner || TELEPORT_BANNER_C;
display.putstr(0, 4, COPYRIGHT_BANNER_A);
display.putstr(0, 5, COPYRIGHT_BANNER_B);
display.putstr(0, 6, bannerC);
display.putstr(0, 7, COPYRIGHT_BANNER_D);
// Save banner for restoration after chargen menu clears
game._copyrightBanner = [
COPYRIGHT_BANNER_A,
COPYRIGHT_BANNER_B,
bannerC,
COPYRIGHT_BANNER_D,
];
game._bannerVisible = true;
}
await playerSelection(g);
if (g._chargenQuit) {
// C ref: tty_player_selection → bail() → tty_exit_nhwindows
// → tty_suspend_nhwindows → settty → end_screen, which clears
// MAP and STATUS windows producing 2 botlx events.
setBotlx('tty_clear_nhwindow');
setBotlx('tty_clear_nhwindow');
return;
}
// Run full game initialization
await newgame();
// C ref: sys/unix/unixmain.c wd_message() after newgame().
if (g.flags.explore) {
await You('are in non-scoring explore/discovery mode.');
}
// Run moveloop preamble (moon phase, luck, initial movement)
await moveloop_preamble(false);
}
// Feed keystrokes and run game turns (chargen replay)
async playTurns(keys) {
if (typeof keys === 'string') {
keys = [...keys].map(ch => ch.charCodeAt(0));
}
// playTurns pushes one key at a time, creating an extra screen
// capture at each moveloop nhgetch. Menu commands need to replace
// this pre-command capture with the menu screen.
game._chargenMenuReplace = true;
for (const key of keys) {
pushInput(key);
try {
await moveloop_core();
} catch (e) {
if (!e.message?.includes('not yet ported')
&& !e.message?.includes('Input queue empty'))
throw e;
// Swallow "not yet ported" and "Input queue empty"
// (menu/prompt waiting for dismiss key not in session)
}
}
game._chargenMenuReplace = false;
}
// Capture current screen state for comparison.
// During replay, moveloop_core calls docrt() at the display phase,
// matching C's screen capture timing (after monsters, before input).
async captureScreen() {
// Always redraw before capture to reflect current game state
// (monster positions, hero position, messages) after command execution.
await docrt(false, true);
game._lastCapturedScreen = game._screen_output || '';
this._screens.push(game._lastCapturedScreen);
// Clear so next iteration produces a fresh capture
game._screen_output = '';
}
// Get captured screens for comparison
getScreens() { return this._screens; }
getCursors() { return this._cursors; }
getRngSlices() { return this._rngSlices || []; }
// Get the RNG call log for comparison
getRngLog() { return getRngLog(); }
getRngCallCount() { return getRngCallCount(); }
}
// NOTE: differs from canonical options.js — local returns flat { name, role, race, ... } object
// for direct use by nethack.js start(); canonical returns array of { target, value } parse results
// Parse a key specification from BIND= lines.
// C ref: cmd.c txt2key() — converts "^X", "M-x", single char, etc. to key code.
function parseKeySpec(spec) {
if (!spec) return null;
// ^X = Ctrl-X
if (spec.length === 2 && spec[0] === '^') {
const c = spec[1].toUpperCase().charCodeAt(0);
if (c >= 64 && c <= 95) return c & 0x1f; // ^A=1, ^Z=26, ^[=27, etc.
return null;
}
// M-x = Meta-x (Alt-x)
if (spec.length === 3 && spec.startsWith('M-')) {
return spec.charCodeAt(2) | 0x80;
}
// Single character
if (spec.length === 1) {
return spec.charCodeAt(0);
}
return null;
}
function parseNethackrc(rc) {
const raceMap = { 'human': 0, 'elf': 1, 'dwarf': 2, 'gnome': 3, 'orc': 4 };
const genderMap = { 'male': 0, 'female': 1 };
const alignMap = { 'chaotic': 0, 'neutral': 1, 'lawful': 2 };
const result = {
name: '', role: -1, race: -1, gender: -1, align: -1,
wizard: false, explore: false,
// Boolean flags from OPTIONS
showexp: false, time: false, autopickup: false, lit_corridor: false,
color: true, dark_room: true, pushweapon: false, fireassist: true, verbose: true, symset: null,
mention_walls: false,
pettype: null,
legacy: true, splash_screen: true,
tutorial: false, tutorial_set: false,
mail: true, // C ref: flags.biff — intentionally true; causes seed0209
// parity failure until C harness records with mail enabled
// or sessions add OPTIONS=!mail to their nethackrc
};
for (const line of (rc || '').split('\n')) {
const trimmedLine = line.trim();
if (!trimmedLine || trimmedLine.startsWith('#')) continue;
// cfgfiles-style standalone directives (outside OPTIONS=).
// C config accepts NAME=/ROLE=/RACE=/GENDER=/ALIGN= in addition
// to their OPTIONS:key:value equivalents.
const kvMatch = trimmedLine.match(/^([A-Za-z_]+)\s*=\s*(.*)$/);
if (kvMatch) {
const key = kvMatch[1].toUpperCase();
const rawVal = kvMatch[2].trim();
const lval = rawVal.toLowerCase();
if (key === 'NAME') result.name = rawVal;
else if (key === 'ROLE' && lval in roleMap) result.role = roleMap[lval];
else if (key === 'RACE' && lval in raceMap) result.race = raceMap[lval];
else if (key === 'GENDER' && lval in genderMap) result.gender = genderMap[lval];
else if (key === 'ALIGN' && lval in alignMap) result.align = alignMap[lval];
}
const m = line.match(/^OPTIONS=(.+)/);
if (m) {
for (const opt of m[1].split(',')) {
const trimmed = opt.trim();
// Handle boolean flags: "flag" enables, "!flag" disables
const negated = trimmed.startsWith('!');
const flagName = negated ? trimmed.slice(1) : trimmed;
// Check for key:value pairs
const colonIdx = flagName.indexOf(':');
if (colonIdx >= 0) {
const key = flagName.slice(0, colonIdx).trim();
const val = flagName.slice(colonIdx + 1).trim();
const lval = val.toLowerCase();
if (key === 'name') result.name = val || '';
else if (key === 'role' && lval in roleMap) result.role = roleMap[lval];
else if (key === 'race' && lval in raceMap) result.race = raceMap[lval];
else if (key === 'gender' && lval in genderMap) result.gender = genderMap[lval];
else if (key === 'align' && lval in alignMap) result.align = alignMap[lval];
else if (key === 'symset') result.symset = val;
else if (key === 'pettype') result.pettype = lval;
else if (key === 'msg_window') result.msg_window = lval;
else if (key === 'playmode') {
if (lval === 'debug') result.wizard = true;
else if (lval === 'explore') result.explore = true;
}
} else {
// Boolean flag
const lname = flagName.toLowerCase();
if (lname === 'showexp') result.showexp = !negated;
else if (lname === 'time') result.time = !negated;
else if (lname === 'verbose') result.verbose = !negated;
else if (lname === 'autopickup') result.autopickup = !negated;
else if (lname === 'lit_corridor') result.lit_corridor = !negated;
else if (lname === 'pushweapon') result.pushweapon = !negated;
else if (lname === 'fireassist') result.fireassist = !negated;
else if (lname === 'color') result.color = !negated;
else if (lname === 'dark_room') result.dark_room = !negated;
else if (lname === 'mention_walls') result.mention_walls = !negated;
else if (lname === 'legacy') result.legacy = !negated;
else if (lname === 'splash_screen') result.splash_screen = !negated;
else if (lname === 'tutorial') {
result.tutorial = !negated;
result.tutorial_set = true;
}
else if (lname === 'mail') result.mail = !negated;
}
}
}
// WIZARD=name directive
if (line.match(/^WIZARD=/i)) result.wizard = true;
// SYMBOLS= per-symbol overrides (separate from OPTIONS=)
// C ref: cfgfiles.c:1189-1195 — SYMBOLS= and ROGUESYMBOLS= lines
const symMatch = line.match(/^SYMBOLS=(.+)/i);
if (symMatch) {
if (!result.symbols) result.symbols = [];
result.symbols.push(symMatch[1].trim());
}
const rogueSymMatch = line.match(/^ROGUESYMBOLS=(.+)/i);
if (rogueSymMatch) {
if (!result.rogueSymbols) result.rogueSymbols = [];
result.rogueSymbols.push(rogueSymMatch[1].trim());
}
// BIND=key:command — custom key bindings
// C ref: cfgfiles.c BIND= → cmd.c bind_key()
const bindMatch = line.match(/^BIND=(.+)/i);
if (bindMatch) {
if (!result.bindings) result.bindings = [];
result.bindings.push(bindMatch[1].trim());
}
}
return result;
}
// Convenience: create and start a game from session data
export async function gameFromSession(sessionData) {
const env = sessionData.env || {};
const seed = sessionData.seed || parseInt(env.NETHACK_SEED || '0');
const datetime = env.NETHACK_FIXED_DATETIME || null;
// All sessions use from-keylog mode: moves contains the complete key
// sequence from game launch (startup prompts + gameplay).
let rc = sessionData.nethackrc || '';
// Extract build version banner from session screen data (build-specific).
// The version line may have 9 leading spaces or \x1b[9C cursor-forward.
let versionBanner = null;
for (const step of (sessionData.steps || [])) {
if (step.screen && step.screen.includes('Version ')) {
const m = step.screen.match(/(?:\x1b\[\d+C| {9})(Version [^\n]+)/);
if (m) { versionBanner = ' ' + m[1]; break; }
}
}
const nhGame = new NethackGame({
seed,
datetime,
nethackrc: rc,
});
if (versionBanner) nhGame.versionBanner = versionBanner;
// All sessions use from-keylog: push all keys and replay through
// startup (chargen/lore/tutorial) + gameplay in one pass.
// Display installed inside start() after game object exists.
const display = createHeadlessPromptRuntime();
display.onEmptyQueue = () => { throw new Error('Input queue empty - test may be missing keystrokes'); };
nhGame._pendingDisplay = display;
const allSteps = sessionData.steps || [];
// Prefer regen.moves when available — it contains the complete key
// sequence including type-ahead keys that C consumed within a step.
// extractSessionKeys(steps) misses type-ahead keys because they
// don't get their own step entry in the C recording.
const stepKeys = extractSessionKeys(allSteps);
// Check if regen.moves is in raw char format (not escaped hex).
// Escaped format has literal '\' 'x' sequences; raw has actual control chars.
const regenRaw = sessionData.regen?.moves;
const regenKeys = regenRaw && !regenRaw.startsWith('\\x')
? [...regenRaw].map(ch => ch.charCodeAt(0))
: null;
const allKeys = (regenKeys && regenKeys.length >= stepKeys.length)
? regenKeys : stepKeys;
// Compute type-ahead nhgetch indices where screen capture should be
// suppressed. These are keys present in regen.moves but not in steps —
// C consumed them as type-ahead without a NOMUX blocking point.
// Only apply when regen.moves is a good match for step keys (some
// sessions have regen.moves in escaped encoding that doesn't match).
if (regenKeys && regenKeys.length > stepKeys.length) {
const typeAhead = new Set();
let ri = 0, si = 0;
while (ri < regenKeys.length && si < stepKeys.length) {
if (regenKeys[ri] === stepKeys[si]) { ri++; si++; }
else { typeAhead.add(ri); ri++; }
}
while (ri < regenKeys.length) { typeAhead.add(ri); ri++; }
// Sanity check: most step keys should have matched
if (si === stepKeys.length && typeAhead.size > 0) {
nhGame._typeAheadCaptures = typeAhead;
}
}
for (const key of allKeys) {
display.pushKey(key);
}
nhGame._installHookAfterInit = true;
// Force promptedStartup for legacy startup flows in older sessions, but
// not when rc explicitly disables startup pagers/tutorials (starter flows).
const noLegacyStartup =
/OPTIONS=.*(?:^|,)!legacy(?:,|$)/mi.test(rc)
&& /OPTIONS=.*(?:^|,)!splash_screen(?:,|$)/mi.test(rc)
&& /OPTIONS=.*(?:^|,)!tutorial(?:,|$)/mi.test(rc);
nhGame._forcePromptedStartup = !noLegacyStartup;
await nhGame.start();
// Chargen quit sessions end at player selection; C records no gameplay/tut.
// Stop replay here to avoid post-quit capture drift.
if (game._chargenQuit) {
// Some chargen-quit fixtures include one final frame equal to the
// previous menu image. Pad missing capture(s) by repeating the last
// captured frame rather than running gameplay loops.
const targetScreens = allSteps.length;
const screens = nhGame.getScreens();
const cursors = nhGame.getCursors();
if (screens.length > 0) {
const lastScreen = screens[screens.length - 1];
const lastCursor = cursors.length > 0 ? cursors[cursors.length - 1] : [0, 0, 1];
while (screens.length < targetScreens) {
screens.push(lastScreen);
cursors.push(lastCursor);
}
}
return nhGame;
}
await maybe_do_tutorial();
game.promptedStartup = false;
setStartupPromptPhase(false);
{
// C harness records one capture per input boundary: initial frame plus
// one frame per consumed key. Stop as soon as we have that many.
const targetScreens = allSteps.length;
const maxIter = Math.max(targetScreens * 8, 1024);
let stallIters = 0;
let lastScreenCount = nhGame.getScreens().length;
for (let iter = 0; iter < maxIter; iter++) {
if (nhGame.getScreens().length >= targetScreens) {
// C records RNG/events through the final monster-phase boundary
// before the next input read. If replay has reached target
// captures while a turn is still pending, flush that boundary
// without attempting to read another key.
if (game.context?.move) {
try {
await moveloop_core_monsters_only();
} catch (flushErr) {
const flushMsg = String(flushErr?.message || '');
if (!flushMsg.includes('Input queue empty')) throw flushErr;
}
}
break;
}
try {
await moveloop_core();
} catch (e) {
// ShellEscape (! command) and GameInterrupt (^C) are
// flow-control signals. During replay, skip them and
// continue the loop — there's no subshell to enter.
if (e?.constructor?.name === 'ShellEscape'
|| e?.constructor?.name === 'GameInterrupt')
continue;
// GameQuit (#quit y) is the normal game-over signal.
// Break out of replay so gameFromSession can finalize
// the RNG log and return the game state.
if (e?.constructor?.name === 'GameQuit') break;
const msg = String(e?.message || '');
if (msg.includes('not yet ported'))
break;
if (msg.includes('Input queue empty')) {
// C reaches nhgetch only after finishing any pending
// post-command monster-phase work. Replay can hit an empty
// queue at command-read boundary with context.move still
// pending; flush that phase without reading more input.
if (game.context?.move) {
try {
await moveloop_core_monsters_only();
} catch (flushErr) {
const flushMsg = String(flushErr?.message || '');
if (!flushMsg.includes('Input queue empty')) throw flushErr;
}
}
break;
}
throw e;
}
const screensNow = nhGame.getScreens().length;
const queueEmpty = (game?.nhDisplay?.inputQueueLength ?? 0) === 0;
if (queueEmpty && screensNow >= targetScreens) break;
// No keys left and no new input-boundary capture after a core tick:
// replay has reached fixture boundary; stop before autonomous drift.
if (queueEmpty && screensNow === lastScreenCount) break;
if (screensNow === lastScreenCount) {
stallIters++;
if (stallIters > 256) {
throw new Error(
`Replay stalled before reaching target captures: `
+ `screens=${screensNow}/${targetScreens}, `
+ `keys=${allKeys.length}, iter=${iter + 1}/${maxIter}`
);
}
} else {
stallIters = 0;
lastScreenCount = screensNow;
}
}
}
// Trim trailing monster-movement events from the last partial iteration.
// C's recording stops at nhgetch; JS runs monster turns before nhgetch
// throws "Input queue empty". Remove these extra events from the end.
const log = getRngLog();
// C ref: recording stops at nhgetch; JS runs one more partial iteration.
// Trim only monster-movement events from that trailing iteration.
// Do NOT trim >bot/<bot — they are legitimately the last events in sessions
// where the final step includes a menu dismiss with docorner's bot call.
// Extra JS bot calls beyond C's event count are ignored by the comparator
// (it uses C's count as authoritative), so trimming them is unnecessary.
const monsterEventPrefixes = ['^mcalcmove', '^movemon_turn', '^distfleeck',
'>m_move', '>dog_move', '>mfndpos', '^dog_invent', '^dog_goal',
'^dog_move'];
while (log.length > 0) {
const last = log[log.length - 1];
if (typeof last !== 'string') break;
if (!monsterEventPrefixes.some(p => last.startsWith(p))) break;
log.pop();
}
return nhGame;
}
const roleMap = {
'archeologist': 0, 'barbarian': 1, 'caveman': 2, 'healer': 3,
// C ref: role.c roles[] — Rogue precedes Ranger (comment at line 316)
'knight': 4, 'monk': 5, 'priest': 6, 'rogue': 7,
'ranger': 8, 'samurai': 9, 'tourist': 10, 'valkyrie': 11, 'wizard': 12,
};
const genders = [
{ adj: 'male', allow: ROLE_MALE },
{ adj: 'female', allow: ROLE_FEMALE },
];
// C ref: role.c gr.rfilter — role filter state for reset_role_filtering
function ensureRfilter() {
if (!game.rfilter) {
game.rfilter = { mask: 0, roles: new Array(roles.length).fill(false) };
}
return game.rfilter;
}
function okRole(rolenum, racenum, gendnum, alignnum) {
if (rolenum >= 0 && rolenum < roles.length) {
const rf = ensureRfilter();
if (rf.roles[rolenum]) return false;
const allow = roles[rolenum].allow;
if (racenum >= 0 && racenum < races.length
&& !(allow & races[racenum].allow & ROLE_RACEMASK))
return false;
if (gendnum >= 0 && gendnum < ROLE_GENDERS
&& !(allow & genders[gendnum].allow & ROLE_GENDMASK))
return false;
if (alignnum >= 0 && alignnum < ROLE_ALIGNS
&& !(allow & aligns[alignnum].allow & ROLE_ALIGNMASK))
return false;
return true;
}
return roles.some((_, i) => okRole(i, racenum, gendnum, alignnum));
}
function okRace(rolenum, racenum, gendnum, alignnum) {
if (racenum >= 0 && racenum < races.length) {
const rf = ensureRfilter();
if (rf.mask & (races[racenum].selfmask ?? 0)) return false;
const allow = races[racenum].allow;
if (rolenum >= 0 && rolenum < roles.length
&& !(allow & roles[rolenum].allow & ROLE_RACEMASK))
return false;
if (gendnum >= 0 && gendnum < ROLE_GENDERS
&& !(allow & genders[gendnum].allow & ROLE_GENDMASK))
return false;
if (alignnum >= 0 && alignnum < ROLE_ALIGNS
&& !(allow & aligns[alignnum].allow & ROLE_ALIGNMASK))
return false;
return true;
}
return races.some((_, i) => okRace(rolenum, i, gendnum, alignnum));
}
function okGend(rolenum, racenum, gendnum) {
if (gendnum >= 0 && gendnum < ROLE_GENDERS) {
const rf = ensureRfilter();
if (rf.mask & genders[gendnum].allow) return false;
const allow = genders[gendnum].allow;
if (rolenum >= 0 && rolenum < roles.length
&& !(allow & roles[rolenum].allow & ROLE_GENDMASK))
return false;
if (racenum >= 0 && racenum < races.length
&& !(allow & races[racenum].allow & ROLE_GENDMASK))
return false;
return true;
}
return genders.some((_, i) => okGend(rolenum, racenum, i));
}
function okAlign(rolenum, racenum, alignnum) {
if (alignnum >= 0 && alignnum < ROLE_ALIGNS) {
const rf = ensureRfilter();
if (rf.mask & aligns[alignnum].allow) return false;
const allow = aligns[alignnum].allow;
if (rolenum >= 0 && rolenum < roles.length
&& !(allow & roles[rolenum].allow & ROLE_ALIGNMASK))
return false;
if (racenum >= 0 && racenum < races.length
&& !(allow & races[racenum].allow & ROLE_ALIGNMASK))
return false;
return true;
}
return aligns.slice(0, ROLE_ALIGNS).some((_, i) => okAlign(rolenum, racenum, i));
}
// C ref: role.c:1284 setrolefilter() — parse a string like "Caveman" or "Orc"
// and set the corresponding filter bit/role slot.
function setRoleFilter(bufp) {
const rf = ensureRfilter();
const lower = bufp.toLowerCase();
// Try role names
for (let i = 0; i < roles.length; i++) {
const m = roles[i].name?.m?.toLowerCase();
const f = roles[i].name?.f?.toLowerCase();
if (m === lower || f === lower) { rf.roles[i] = true; return true; }
}
// Try race nouns
for (let i = 0; i < races.length; i++) {
if (races[i].noun?.toLowerCase() === lower) {
rf.mask |= (races[i].selfmask ?? 0);
return true;
}
}
// Try gender adj
for (let i = 0; i < ROLE_GENDERS; i++) {
if (genders[i].adj?.toLowerCase() === lower) {
rf.mask |= genders[i].allow;
return true;
}
}
// Try alignment adj
for (let i = 0; i < ROLE_ALIGNS; i++) {
if (aligns[i].adj?.toLowerCase() === lower) {
rf.mask |= aligns[i].allow;
return true;
}
}
return false;
}
// C ref: role.c:1303 gotrolefilter()
function gotRoleFilter() {
const rf = ensureRfilter();
if (rf.mask) return true;
return rf.roles.some(v => v);
}
// C ref: role.c:1358 clearrolefilter(RS_filter) — clear all filters
function clearRoleFilterAll() {
const rf = ensureRfilter();
rf.mask = 0;
for (let i = 0; i < rf.roles.length; i++) rf.roles[i] = false;
}
function pickOne(indices) {
if (indices.length === 0) return ROLE_NONE;
return indices[rn2(indices.length)];
}
function pickRole(racenum, gendnum, alignnum) {
const ok = roles.map((_, i) => i).filter(i =>
okRole(i, racenum, gendnum, alignnum)
&& okRace(i, racenum >= 0 ? racenum : ROLE_RANDOM, gendnum, alignnum)
&& okGend(i, racenum, gendnum >= 0 ? gendnum : ROLE_RANDOM)
&& okAlign(i, racenum, alignnum >= 0 ? alignnum : ROLE_RANDOM));
if (typeof process !== 'undefined' && process.env?.CHARGEN_TRACE) {
// eslint-disable-next-line no-console
console.error(`[CHARGEN] pickRole race=${racenum} gend=${gendnum} align=${alignnum} -> ok=[${ok.join(',')}] count=${ok.length}`);
}
return pickOne(ok);
}
function pickRace(rolenum, gendnum, alignnum) {
const ok = races.map((_, i) => i).filter(i => okRace(rolenum, i, gendnum, alignnum));
if (typeof process !== 'undefined' && process.env?.CHARGEN_TRACE) {
// eslint-disable-next-line no-console
console.error(`[CHARGEN] pickRace role=${rolenum} gend=${gendnum} align=${alignnum} -> ok=[${ok.join(',')}] count=${ok.length}`);
}
return pickOne(ok);
}
function pickGend(rolenum, racenum, _alignnum) {
const ok = genders.map((_, i) => i).filter(i => okGend(rolenum, racenum, i));
if (typeof process !== 'undefined' && process.env?.CHARGEN_TRACE) {
// eslint-disable-next-line no-console
console.error(`[CHARGEN] pickGend role=${rolenum} race=${racenum} -> ok=[${ok.join(',')}] count=${ok.length}`);
}
return pickOne(ok);
}
function pickAlign(rolenum, racenum, _gendnum) {
const ok = aligns.slice(0, ROLE_ALIGNS).map((_, i) => i).filter(i => okAlign(rolenum, racenum, i));
if (typeof process !== 'undefined' && process.env?.CHARGEN_TRACE) {
// eslint-disable-next-line no-console
console.error(`[CHARGEN] pickAlign role=${rolenum} race=${racenum} -> ok=[${ok.join(',')}] count=${ok.length}`);
}
return pickOne(ok);
}
function normalizeStartupAlignIndex(alignnum) {
if (alignnum === 0) return 2; // lawful -> internal lawful
if (alignnum === 1) return 1; // neutral -> internal neutral
if (alignnum === 2) return 0; // chaotic -> internal chaotic
return alignnum;
}
function rigidRoleChecks(flags) {
// C ref: role.c:1234 rigid_role_checks()
// Uses pick_* with PICK_RIGID which returns value ONLY if single choice.
// CRITICAL: pick_* calls rn2(count) even for count=1. Must consume RNG.
if (flags.initrole !== ROLE_NONE) {
if (flags.initrace === ROLE_NONE) {
const choices = races.map((_, i) => i).filter(i =>
okRace(flags.initrole, i, flags.initgend, flags.initalign));
if (choices.length === 1) flags.initrace = pickOne(choices);
}
if (flags.initalign === ROLE_NONE) {
const choices = aligns.slice(0, ROLE_ALIGNS).map((_, i) => i).filter(i =>
okAlign(flags.initrole, flags.initrace, i));
if (choices.length === 1) flags.initalign = pickOne(choices);
}
if (flags.initgend === ROLE_NONE) {
const choices = genders.map((_, i) => i).filter(i =>
okGend(flags.initrole, flags.initrace, i));
if (choices.length === 1) flags.initgend = pickOne(choices);
}
}
}
function roleMenuChoices(gendnum, racenum, alignnum) {
let last = '';
return roles.map((role, index) => {
let key = role.name.m[0].toLowerCase();
if (key === last) key = key.toUpperCase();
last = key.toLowerCase();
let label = role.name.m;
if (gendnum === 1 && role.name.f) {
label = role.name.f;
} else if (gendnum < 0 && role.name.f) {
label = `${role.name.m}/${role.name.f}`;
}
return { index, key, label };
}).filter(choice =>
okRole(choice.index, racenum, gendnum, alignnum)
&& okRace(choice.index, racenum, gendnum, alignnum)
&& okGend(choice.index, racenum, gendnum)
&& okAlign(choice.index, racenum, alignnum));
}
function facetChoices(items, labelKey, predicate) {
return items.map((item, index) => ({
index,
key: item[labelKey][0],
label: item[labelKey],
})).filter(choice => predicate(choice.index));
}
// Chargen navigation codes returned by selectPrompt
const CHARGEN_QUIT = -1;
const CHARGEN_RANDOM = -2;
const CHARGEN_PICK_ROLE = -10;
const CHARGEN_PICK_RACE = -11;
const CHARGEN_PICK_GENDER = -12;
const CHARGEN_PICK_ALIGN = -13;
const CHARGEN_FILTER = -14;
async function selectPrompt(query, choices) {
if (choices.length === 1) {
if (typeof process !== 'undefined' && process.env?.CHARGEN_TRACE) {
// eslint-disable-next-line no-console
console.error(`[CHARGEN] selectPrompt(${query}) short-circuit single choice=${choices[0].index}`);
}
return choices[0].index;
}
while (true) {
const key = await selectPromptMenu(query, choices);
if (typeof process !== 'undefined' && process.env?.CHARGEN_TRACE) {
// eslint-disable-next-line no-console
console.error(`[CHARGEN] selectPrompt(${query}) got key=${JSON.stringify(key)}`);
}
// C ref: role_menu_extra items for cross-navigation
if (key === 'q') return CHARGEN_QUIT;
if (key === '*') return CHARGEN_RANDOM;
if (key === '?') return CHARGEN_PICK_ROLE;
if (key === '/') return CHARGEN_PICK_RACE;
if (key === '"') return CHARGEN_PICK_GENDER;
if (key === '[') return CHARGEN_PICK_ALIGN;
if (key === '~') return CHARGEN_FILTER;
const picked = choices.find(choice => choice.key === key);
if (picked) return picked.index;
// Unknown key: bell and loop (C behavior)
}
}
function selectionSummary(g) {
const roleName = (g.flags.initrole < 0)
? '<role>'
: (g.flags.initgend === 1 && roles[g.flags.initrole].name.f)
? roles[g.flags.initrole].name.f
: roles[g.flags.initrole].name.m;
if (!g.plname || g.flags.initrole < 0 || g.flags.initrace < 0
|| g.flags.initgend < 0 || g.flags.initalign < 0) {
return `${roleName} ${g.flags.initrace < 0 ? '<race>' : races[g.flags.initrace].noun}`
+ ` ${g.flags.initgend < 0 ? '<gender>' : genders[g.flags.initgend].adj}`
+ ` ${g.flags.initalign < 0 ? '<alignment>' : aligns[g.flags.initalign].adj}`;
}
return `${g.plname} the ${aligns[g.flags.initalign].adj}`
+ ` ${g.flags.initgend < 0 ? '<gender>' : genders[g.flags.initgend].adj}`
+ ` ${g.flags.initrace < 0 ? '<race>' : races[g.flags.initrace].adj}`
+ ` ${roleName}`;
}
// C ref: role.c:1816 role_menu_extra — generates one line for a facet.
// Returns either a forced-value note or a navigation item.
function roleMenuExtraLine(facet, g) {
const r = g.flags.initrole;
const c = g.flags.initrace;
const letters = { role: '?', race: '/', gender: '"', alignment: '[' };
const letter = letters[facet] || '?';
if (facet === 'role') {
// Role: never forced by another facet (only by filter, which we don't port)
return `${letter} - Pick${r >= 0 ? ' another' : ''} role first`;
}
if (facet === 'race') {
// C ref: role.c:1848-1866 — race forced if role allows only one race
if (r >= 0) {
const raceChoices = races.map((_, i) => i).filter(i =>
okRace(r, i, g.flags.initgend, g.flags.initalign));
if (raceChoices.length === 1) {
return ` role forces ${races[raceChoices[0]].noun}`;
}
}
return `${letter} - Pick${g.flags.initrace >= 0 ? ' another' : ''} race first`;
}
if (facet === 'gender') {
// C ref: role.c:1868-1888 — gender forced if role allows only one
if (r >= 0) {
const ROLE_GENDMASK_VAL = ROLE_GENDMASK;
const allowmask = roles[r].allow & ROLE_GENDMASK_VAL;
if (allowmask === ROLE_MALE) return ' role forces male';
if (allowmask === ROLE_FEMALE) return ' role forces female';
}
return `${letter} - Pick${g.flags.initgend >= 0 ? ' another' : ''} gender first`;
}
if (facet === 'alignment') {
// C ref: role.c:1890-1925 — alignment forced by role or race
if (r >= 0) {
const allowmask = roles[r].allow & ROLE_ALIGNMASK;
if (allowmask === 0x04) return ' role forces lawful';
if (allowmask === 0x02) return ' role forces neutral';
if (allowmask === 0x01) return ' role forces chaotic';
}
if (c >= 0) {
const allowmask = races[c].allow & ROLE_ALIGNMASK;
if (allowmask === 0x04) return ' race forces lawful';
if (allowmask === 0x02) return ' race forces neutral';
if (allowmask === 0x01) return ' race forces chaotic';
}
return `${letter} - Pick${g.flags.initalign >= 0 ? ' another' : ''} alignment first`;
}
return '';
}
function allowSingleAlign(mask) {
const bits = mask & ROLE_ALIGNMASK;
return bits && (bits & (bits - 1)) === 0;
}
function articleize(label) {
const lower = label[0]?.toLowerCase() || '';
return ` ${'aeiou'.includes(lower) ? 'an' : 'a'} ${label}`;
}
// C ref: H2344_BROKEN offx computation + putchar(' ') leading space.
// C: maxcol = max(strlen(str) + 2) across items; offx = min(min(82, cols/2), cols - maxcol - 1)
// C renders at offx (cursor column) then putchar(' '), so text starts at offx + 1.
// JS returns the TEXT column (= C's offx + 1) directly.
function computeMenuOffset(cols, lines, { fullWidth = false } = {}) {
if (fullWidth) return 1; // C fullscreen: offx=0, text at column 1
const maxcol = lines.reduce((m, line) => Math.max(m, line.length), 0);
// C's strlen + 2 accounts for leading + trailing space margins.
// offx = min(min(82, cols/2), cols - (maxcol+2) - 1); textPos = offx + 1
const cOffx = Math.min(Math.min(82, Math.trunc(cols / 2)), cols - maxcol - 3);
return Math.max(1, cOffx + 1);
}
// C ref: wintty.c tty_end_menu + tty_display_nhwindow for NHW_MENU
// C (with H2344_BROKEN defined) computes:
// cols = max(strlen(item->str) + 2) across all items and morestr
// offx = min(min(82, tty_cols/2), tty_cols - cols - 1)
// fullscreen if maxrow >= rows or !menu_overlay
// if fullscreen: offx=0
// maxrow = nitems + 1 for single-page menus.
function computeCMenuLayout(cols, rows, lines) {
// C's tty_end_menu: len = strlen(str) + 2 for each item
let cCols = Math.max(6, ...lines.map(l => l.length + 2)); // 6 = strlen("(end) ")
// C ref: H2344_BROKEN offx formula
let offx = Math.min(Math.min(82, Math.trunc(cols / 2)), cols - cCols - 1);
if (offx < 0) offx = 0;
const maxrow = lines.length;
const fullscreen = (maxrow >= rows);
if (fullscreen) offx = 0;
return { offx, maxrow };
}
// Create a NHW_MENU window, mark active, return winId.
// C ref: plsel_startmenu → create_nhwindow(NHW_MENU)
function chargenMenuCreate() {
const winId = tty_create_nhwindow(NHW_MENU);
if (winId >= 0 && game.wins[winId]) game.wins[winId].active = true;
return winId;
}
// Dismiss a chargen menu window matching C's destroy_nhwindow sequence.
// C ref: tty_dismiss_nhwindow(win) → erase_menu_or_text → docorner
// For fullscreen menus (offx=0): erase_menu_or_text → term_clear_screen
// which clears MAP (setBotlx) and STATUS (setBotlx).
// For corner menus (offx!=0): erase_menu_or_text → docorner
async function chargenMenuDismiss(winId, offx, maxrow) {
tty_dismiss_nhwindow(winId);
erase_menu_or_text(winId, offx, maxrow);
if (offx === 0) {
// C ref: erase_menu_or_text offx=0 with in_role_selection → clear=TRUE
// → term_clear_screen() → erase_tty_screen → tty_clear_nhwindow(WIN_MAP)
// + tty_clear_nhwindow(WIN_STATUS). Each emits SET_BOTLX.
setBotlx('tty_clear_nhwindow');
setBotlx('tty_clear_nhwindow');
// Fullscreen clear wipes everything — reset the minimum offx
// so subsequent corner menus don't over-clear below their area.
game._chargenMinOffx = undefined;
} else {
await docorner(offx, maxrow + 1);
}
tty_destroy_nhwindow(winId);
}
async function renderChargenMenu(display, title, lines, options = {}) {
if (!display) return 0;
const startupOverlay = isStartupPromptPhase();
// C ref: tty_display_nhwindow(WIN_MENU) clears windows before rendering
const maxcol = lines.reduce((m, l) => Math.max(m, l.length), title.length);
await tty_display_nhwindow('menu', false, { maxcol, maxrow: lines.length });
// C ref: wintty.c:1926-1935 — fullscreen menus use term_clear_screen(),
// corner menus use cl_end() per row from offx. During startup overlay,
const cols = display.cols || 80;
// clear from menu offset onwards to preserve copyright text to the left.
if (!startupOverlay) {
display.clearScreen();
} else {
// C ref: wintty.c process_menu_window — cl_end from offx per row.
// Menu rows (0 to menu height): clear fully to remove prior content.
// Rows below menu: clear only from offx onwards (preserve "Who are
// you?" prompt, copyright banner, and other prior screen content).
const offx = computeMenuOffset(cols, lines, options);
const menuHeight = lines.length;
// Track the minimum offx seen across chargen menus. Rows below
// menuHeight need clearing from the smallest offx ever used
// (e.g., fullWidth role menu used offx=1, race menu uses offx=30,
// but "Tourist" from the role menu at column 1 must be cleared).
const prevMinOffx = game._chargenMinOffx ?? offx;
game._chargenMinOffx = Math.min(prevMinOffx, offx);
const clearFromCol = Math.max(0, game._chargenMinOffx - 1);
for (let r = 0; r < (display.rows || 24); r++) {
if (r < menuHeight) {
display.clearRow(r);
} else {
for (let c = clearFromCol; c < cols; c++) {
display.setCell(c, r, ' ', 7/*CLR_GRAY*/, 0);
}
}
}
// Restore copyright banner to rows 4-7 only if the menu offset
// is large enough AND the banner hasn't been cleared by a prior
// fullscreen menu (like role selection with offx=1).
const banner = game._copyrightBanner;
if (banner && offx >= 30 && menuHeight > 4 && game._bannerVisible) {
for (let i = 0; i < banner.length; i++) {
if (banner[i]) display.putstr(0, 4 + i, banner[i]);
}
}
// Track banner visibility: banner survives corner menus (offx>=30)
// but is cleared by fullscreen menus (offx<30 covering rows 4-7)
if (offx < 30 && menuHeight > 4) game._bannerVisible = false;
}
const offx = computeMenuOffset(cols, lines, options);
display.putstr(offx, 0, title, CLR_GRAY, ATR_INVERSE);
for (let i = 1; i < lines.length; i++) {
if (lines[i]) {
if (startupOverlay && i >= 4 && i <= 7 && offx > 0 && display.grid?.[i]) {
const prefix = display.grid[i].slice(0, offx - 1).map(cell => cell.ch).join('');
display.clearRow(i);
if (prefix) display.putstr(0, i, prefix, CLR_GRAY);
display.putstr(offx - 1, i, ' ', CLR_GRAY);
display.putstr(offx, i, lines[i], CLR_GRAY);
continue;
}
display.putstr(offx, i, lines[i], CLR_GRAY);
}
}
return offx;
}
async function selectPromptMenu(query, choices) {
const display = game?.nhDisplay || null;
const g = game;
// C ref: role.c:2814 plsel_startmenu() calls rigid_role_checks()
// at the start of every chargen menu display. This forces single-choice
// facets (e.g., Rogue → chaotic) WITH RNG consumption (rn2(1)).
rigidRoleChecks(g.flags);
const lines = [
query,
'',
selectionSummary(g),
'',
];
const extras = [];
if (query === 'Pick a role or profession') {
for (const choice of choices) {
lines.push(`${choice.key} -${articleize(choice.label)}`);
}
lines.push('* * Random');
// C ref: role.c:2307+2316 — maybe_skip_seps counts total lines
// (title,sep,status,sep + roles + random,sep + 5 nav + footer = n).
// If n > screenheight, excess = n - rows; skip separator when
// excess is 1 or 2 (i.e., only add separator when excess < 1 or > 2).
const screenRows = (display?.rows || 24);
const totalIfSep = 4 + choices.length + 2 + 5 + 1;
const excess = totalIfSep > screenRows ? totalIfSep - screenRows : 0;
if (excess < 1 || excess > 2) {
lines.push('');
}
// C ref: role_menu_extra for race/gender/alignment/filter/quit
lines.push(roleMenuExtraLine('race', g));
lines.push(roleMenuExtraLine('gender', g));
lines.push(roleMenuExtraLine('alignment', g));
lines.push('~ - Set role/race/&c filtering');
lines.push('q - Quit');
} else {
for (const choice of choices) {
lines.push(`${choice.key} - ${choice.label}`);
}
lines.push('* * Random');
lines.push('');
// C ref: role_menu_extra adds navigation items for each facet.
// For FORCED facets (single choice): " role/race forces X" (disabled text)
// For PICKABLE facets: "? - Pick [another] X first" (selectable)
const menuType = query === 'Pick a race or species' ? 'race'
: query === 'Pick a gender or sex' ? 'gender'
: query === 'Pick an alignment or creed' ? 'alignment' : 'other';
// Role extra (only for non-role menus)
if (menuType !== 'role') {
lines.push(roleMenuExtraLine('role', g));
}
// Race extra (only for non-race menus)
if (menuType !== 'race') {
lines.push(roleMenuExtraLine('race', g));
}
// Gender extra (only for non-gender menus)
if (menuType !== 'gender') {
lines.push(roleMenuExtraLine('gender', g));
}
// Alignment extra (only for non-alignment menus)
if (menuType !== 'alignment') {
lines.push(roleMenuExtraLine('alignment', g));
}
lines.push('~ - Set role/race/&c filtering');
lines.push('q - Quit');
}
lines.push('(end)');
// C ref: plsel_startmenu → create_nhwindow(NHW_MENU)
const winId = chargenMenuCreate();
const cols = display?.cols || 80;
const rows = display?.rows || 24;
const { offx: cOffx, maxrow: cMaxrow } = computeCMenuLayout(
cols, rows, lines,
);
// C ref: fullscreen when maxrow >= rows (H2344_BROKEN path)
const fullWidth = lines.length >= rows;
const offx = await renderChargenMenu(display, query, lines, {
fullWidth,
});
if (display) display.setCursor(offx + 6, lines.length - 1);
enterModal('chargen-menu');
try {
const ch = await nhgetch();
return String.fromCharCode(ch);
} finally {
exitModal('chargen-menu');
// C ref: destroy_nhwindow(win) → tty_dismiss → erase_menu_or_text → docorner
await chargenMenuDismiss(winId, cOffx, cMaxrow);
}
}
async function confirmSelectionMenu() {
const display = game?.nhDisplay || null;
const g = game;
const allowRename = true;
const title = `Is this ok? [yn${allowRename ? 'a' : ''}q]`;
const lines = [
title,
'',
selectionSummary(g),
'',
'y * Yes; start game',
'n - No; choose role again',
];
if (allowRename) lines.push('a - Not yet; choose another name');
lines.push('q - Quit');
lines.push('(end)');
// C ref: plsel_startmenu → create_nhwindow(NHW_MENU)
const winId = chargenMenuCreate();
const cols = display?.cols || 80;
const rows = display?.rows || 24;
const { offx: cOffx, maxrow: cMaxrow } = computeCMenuLayout(
cols, rows, lines,
);
// C ref: tty menu width tracks this prompt one column wider here than
// our visible string lengths, which shifts the confirmation box left by 1.
const offx = await renderChargenMenu(display, title, lines);
if (display) display.setCursor(offx + 6, lines.length - 1);
enterModal('chargen-menu');
try {
const ch = await nhgetch();
return String.fromCharCode(ch).toLowerCase();
} finally {
exitModal('chargen-menu');
// C ref: destroy_nhwindow(win) → tty_dismiss → erase_menu_or_text → docorner
await chargenMenuDismiss(winId, cOffx, cMaxrow);
}
}
// C ref: role.c:2852 setup_rolemenu — accelerators are lowercase first letter,
// with uppercase fallback on duplicates ('r' Rogue, 'R' Ranger).
function buildFilterItems() {
const items = [];
// Roles
items.push({ header: 'Unacceptable roles' });
let lastCh = '\0';
for (let i = 0; i < roles.length; i++) {
let ch = (roles[i].name.m[0] || '').toLowerCase();
if (ch === lastCh) ch = ch.toUpperCase();
lastCh = ch.toLowerCase();
let label = roles[i].name.m;
if (roles[i].name.f) label = `${label}/${roles[i].name.f}`;
items.push({ key: ch, name: roles[i].name.m, type: 'role', index: i, label });
}
// Races (uppercase first letter)
items.push({ header: 'Unacceptable races' });
for (let i = 0; i < races.length; i++) {
const noun = races[i].noun || '';
if (!noun) continue;
const ch = (noun[0] || '').toUpperCase();
items.push({ key: ch, name: noun, type: 'race', index: i, label: noun });
}
// Genders (uppercase first letter)
items.push({ header: 'Unacceptable genders' });
for (let i = 0; i < ROLE_GENDERS; i++) {
const adj = genders[i].adj || '';
const ch = (adj[0] || '').toUpperCase();
items.push({ key: ch, name: adj, type: 'gender', index: i, label: adj });
}
// Alignments (uppercase first letter)
items.push({ header: 'Unacceptable alignments' });
for (let i = 0; i < ROLE_ALIGNS; i++) {
const adj = aligns[i].adj || '';
const ch = (adj[0] || '').toUpperCase();
items.push({ key: ch, name: adj, type: 'alignment', index: i, label: adj });
}
return items;
}
// C ref: role.c:2727 reset_role_filtering() — "Pick all that apply" menu.
// Returns true if any filters were selected (n > 0).
async function resetRoleFiltering() {
const g = game;
const items = buildFilterItems();
const selected = new Set();
// Pre-select items currently in rfilter state.
const rf = ensureRfilter();
items.forEach((it, idx) => {
if (it.header) return;
if (it.type === 'role' && rf.roles[it.index]) selected.add(idx);
else if (it.type === 'race' && (rf.mask & (races[it.index].selfmask ?? 0))) selected.add(idx);
else if (it.type === 'gender' && (rf.mask & genders[it.index].allow)) selected.add(idx);
else if (it.type === 'alignment' && (rf.mask & aligns[it.index].allow)) selected.add(idx);
});
const display = g?.nhDisplay || null;
let closed = false;
let confirmed = 0;
const startingSelected = new Set(selected);
const render = async () => {
const title = `Pick all that apply${gotRoleFilter() ? ' and/or unpick any that no longer apply' : ''}`;
const lines = [];
items.forEach((it, idx) => {
if (it.header) {
lines.push(it.header);
return;
}
const mark = selected.has(idx) ? '+' : '-';
lines.push(`${it.key} ${mark} ${articleize(it.label)}`);
});
lines.push('(end)');
const winId = chargenMenuCreate();
const cols = display?.cols || 80;
const rows = display?.rows || 24;
const { offx: cOffx, maxrow: cMaxrow } = computeCMenuLayout(cols, rows, lines);
await renderChargenMenu(display, title, lines);
enterModal('chargen-menu');
let key;
try {
const ch = await nhgetch();
key = String.fromCharCode(ch);
} finally {
exitModal('chargen-menu');
await chargenMenuDismiss(winId, cOffx, cMaxrow);
}
return key;
};
while (!closed) {
const key = await render();
if (key === '\r' || key === '\n' || key === ' ') {
closed = true;
confirmed = selected.size;
break;
}
if (key === '\x1b' || key === 'q') {
// Cancel — leave filter unchanged
return false;
}
// Toggle by accelerator
const toggleIdx = items.findIndex(it => it.key === key);
if (toggleIdx >= 0) {
if (selected.has(toggleIdx)) selected.delete(toggleIdx);
else selected.add(toggleIdx);
}
}
// Apply: clear existing filters and re-apply from selected set.
clearRoleFilterAll();
for (const idx of selected) {
const it = items[idx];
if (!it || it.header) continue;
setRoleFilter(it.name);
}
// C ref: role.c:2764 — reset all four facets when any filter applied.
if (confirmed > 0) {
g.flags.initrole = ROLE_NONE;
g.flags.initrace = ROLE_NONE;
g.flags.initgend = ROLE_NONE;
g.flags.initalign = ROLE_NONE;
}
return confirmed > 0;
}
async function playerSelection(g) {
let prompted = false;
if (!g.plname) {
prompted = true;
// C ref: wintty.c:581 — cursor is at row 12 after copyright banner
g.plname = await getlin('Who are you?', null, { row: 12 }) || '';
// C ref: tty_askname uses BASE_WINDOW, not WIN_MESSAGE, so it
// never touches toplin. Reset toplin to match C's state.
const disp0 = game?.nhDisplay;
if (disp0) disp0.toplin = TOPLINE_EMPTY;
}
if (g.flags.initrole !== ROLE_NONE
&& g.flags.initrace !== ROLE_NONE
&& g.flags.initgend !== ROLE_NONE
&& g.flags.initalign !== ROLE_NONE) {
g.flags.female = (g.flags.initgend === 1);
return;
}
rigidRoleChecks(g.flags);
prompted = true;
// C ref: plnamesiz (role.c) — choices "ynaq", no default
let pick4u = await ynFunction(
"Shall I pick character's race, role, gender and alignment for you?",
"ynaq",
0,
null
);
pick4u = String.fromCharCode(pick4u).toLowerCase();
if (pick4u === ' ' || pick4u === '\r' || pick4u === '\n') pick4u = 'y';
if (pick4u === '\x1b' || pick4u === 'q') { g._chargenQuit = true; return; }
// C ref: role.c:2267 — '@' or '*' treated as 'a' (auto-pick)
if (pick4u === '@' || pick4u === '*') pick4u = 'a';
if (pick4u === 'y' || pick4u === 'a') {
if (g.flags.initrole === ROLE_NONE) g.flags.initrole = pickRole(g.flags.initrace, g.flags.initgend, g.flags.initalign);
if (g.flags.initrace === ROLE_NONE) g.flags.initrace = pickRace(g.flags.initrole, g.flags.initgend, g.flags.initalign);
if (g.flags.initgend === ROLE_NONE) g.flags.initgend = pickGend(g.flags.initrole, g.flags.initrace, g.flags.initalign);
if (g.flags.initalign === ROLE_NONE) g.flags.initalign = pickAlign(g.flags.initrole, g.flags.initrace, g.flags.initgend);
g.flags.female = (g.flags.initgend === 1);
// C ref: role.c:2653-2718 — getconfirmation loop for 'y' (not 'a')
if (pick4u !== 'a') {
let confirmed = false;
while (!confirmed) {
const conf = await confirmSelectionMenu();
if (conf === 'y' || conf === ' ' || conf === '\r' || conf === '\n') {
confirmed = true;
} else if (conf === 'n') {
// C ref: role.c:2709-2711 — reset all choices, restart picks
g.flags.initrole = ROLE_NONE;
g.flags.initrace = ROLE_NONE;
g.flags.initgend = ROLE_NONE;
g.flags.initalign = ROLE_NONE;
pick4u = 'n';
break; // fall through to the manual pick loop below
} else if (conf === 'a') {
// C ref: role.c:2694-2703 — rename, keep role/race/etc
g.plname = await getlin('Who are you?', null, { row: 12 }) || '';
const disp0 = game?.nhDisplay;
if (disp0) disp0.toplin = TOPLINE_EMPTY;
// loop back to show confirmation again
} else {
// 'q' or ESC
g._chargenQuit = true;
return;
}
}
if (!confirmed) {
// 'n' was pressed — fall through to manual pick loop
pick4u = 'n';
}
}
}
if (pick4u === 'n') {
// C ref: role.c:2288-2694 — makepicks loop with nextpick + confirmation
const RS_ROLE = 0, RS_RACE = 1, RS_GENDER = 2, RS_ALGNMNT = 3;
let repick = true;
while (repick) {
repick = false;
let nextpick = RS_ROLE;
if (typeof process !== 'undefined' && process.env?.CHARGEN_TRACE) {
// eslint-disable-next-line no-console
console.error(`[CHARGEN] makepicks entered role=${g.flags.initrole} race=${g.flags.initrace} gend=${g.flags.initgend} align=${g.flags.initalign}`);
}
makepicks:
do {
if (typeof process !== 'undefined' && process.env?.CHARGEN_TRACE) {
// eslint-disable-next-line no-console
console.error(`[CHARGEN] do-while top nextpick=${nextpick} role=${g.flags.initrole} race=${g.flags.initrace} gend=${g.flags.initgend} align=${g.flags.initalign}`);
}
if (nextpick === RS_ROLE) {
nextpick = RS_RACE;
if (g.flags.initrole < 0) {
const r = await selectPrompt('Pick a role or profession',
roleMenuChoices(g.flags.initgend, g.flags.initrace, g.flags.initalign));
if (r === CHARGEN_QUIT) { g._chargenQuit = true; return; }
else if (r === CHARGEN_RANDOM) g.flags.initrole = pickRole(g.flags.initrace, g.flags.initgend, g.flags.initalign);
else if (r === CHARGEN_PICK_RACE) { g.flags.initrace = ROLE_NONE; nextpick = RS_RACE; continue makepicks; }
else if (r === CHARGEN_PICK_GENDER) { g.flags.initgend = ROLE_NONE; nextpick = RS_GENDER; continue makepicks; }
else if (r === CHARGEN_PICK_ALIGN) { g.flags.initalign = ROLE_NONE; nextpick = RS_ALGNMNT; continue makepicks; }
else if (r === CHARGEN_FILTER) {
// C ref: role.c:2357 — role block does not check reset_role_filtering return
g.flags.initrole = ROLE_NONE;
await resetRoleFiltering();
nextpick = RS_ROLE;
continue makepicks;
}
else g.flags.initrole = r;
}
}
if (nextpick === RS_RACE) {
nextpick = (g.flags.initrole < 0) ? RS_ROLE : RS_GENDER;
if (g.flags.initrace < 0 || !okRace(g.flags.initrole, g.flags.initrace, g.flags.initgend, g.flags.initalign)) {
const r = await selectPrompt('Pick a race or species',
facetChoices(races, 'noun', i => okRace(g.flags.initrole, i, g.flags.initgend, g.flags.initalign)));
if (r === CHARGEN_QUIT) { g._chargenQuit = true; return; }
else if (r === CHARGEN_RANDOM) g.flags.initrace = pickRace(g.flags.initrole, g.flags.initgend, g.flags.initalign);
else if (r === CHARGEN_PICK_ROLE) { g.flags.initrole = ROLE_NONE; nextpick = RS_ROLE; continue makepicks; }
else if (r === CHARGEN_PICK_GENDER) { g.flags.initgend = ROLE_NONE; nextpick = RS_GENDER; continue makepicks; }
else if (r === CHARGEN_PICK_ALIGN) { g.flags.initalign = ROLE_NONE; nextpick = RS_ALGNMNT; continue makepicks; }
else if (r === CHARGEN_FILTER) {
// C ref: role.c:2441 — if filter selected, nextpick=RS_ROLE else RS_RACE
g.flags.initrace = ROLE_NONE;
nextpick = (await resetRoleFiltering()) ? RS_ROLE : RS_RACE;
continue makepicks;
}
else g.flags.initrace = r;
}
}
if (nextpick === RS_GENDER) {
nextpick = (g.flags.initrole < 0) ? RS_ROLE : RS_ALGNMNT;
if (g.flags.initgend < 0) {
const r = await selectPrompt('Pick a gender or sex',
facetChoices(genders, 'adj', i => okGend(g.flags.initrole, g.flags.initrace, i)));
if (r === CHARGEN_QUIT) { g._chargenQuit = true; return; }
else if (r === CHARGEN_RANDOM) g.flags.initgend = pickGend(g.flags.initrole, g.flags.initrace, g.flags.initalign);
else if (r === CHARGEN_PICK_ROLE) { g.flags.initrole = ROLE_NONE; nextpick = RS_ROLE; continue makepicks; }
else if (r === CHARGEN_PICK_RACE) { g.flags.initrace = ROLE_NONE; nextpick = RS_RACE; continue makepicks; }
else if (r === CHARGEN_PICK_ALIGN) { g.flags.initalign = ROLE_NONE; nextpick = RS_ALGNMNT; continue makepicks; }
else if (r === CHARGEN_FILTER) {
// C ref: role.c:2529 — if filter selected, nextpick=RS_ROLE else RS_GENDER
g.flags.initgend = ROLE_NONE;
nextpick = (await resetRoleFiltering()) ? RS_ROLE : RS_GENDER;
continue makepicks;
}
else g.flags.initgend = r;
}
}
if (nextpick === RS_ALGNMNT) {
// C ref: role.c:2549 — default next is RS_GENDER when role+race set
nextpick = (g.flags.initrole < 0) ? RS_ROLE
: (g.flags.initrace < 0) ? RS_RACE
: RS_GENDER;
if (g.flags.initalign < 0) {
const r = await selectPrompt('Pick an alignment or creed',
facetChoices(aligns.slice(0, ROLE_ALIGNS), 'adj', i => okAlign(g.flags.initrole, g.flags.initrace, i)));
if (r === CHARGEN_QUIT) { g._chargenQuit = true; return; }
else if (r === CHARGEN_RANDOM) g.flags.initalign = pickAlign(g.flags.initrole, g.flags.initrace, g.flags.initgend);
else if (r === CHARGEN_PICK_ROLE) { g.flags.initrole = ROLE_NONE; nextpick = RS_ROLE; continue makepicks; }
else if (r === CHARGEN_PICK_RACE) { g.flags.initrace = ROLE_NONE; nextpick = RS_RACE; continue makepicks; }
else if (r === CHARGEN_PICK_GENDER) { g.flags.initgend = ROLE_NONE; nextpick = RS_GENDER; continue makepicks; }
else if (r === CHARGEN_FILTER) {
// C ref: role.c:2615 — if filter selected, nextpick=RS_ROLE else RS_ALGNMNT
g.flags.initalign = ROLE_NONE;
nextpick = (await resetRoleFiltering()) ? RS_ROLE : RS_ALGNMNT;
continue makepicks;
}
else g.flags.initalign = r;
}
}
} while (g.flags.initrole < 0 || g.flags.initrace < 0
|| g.flags.initgend < 0 || g.flags.initalign < 0);
g.flags.female = (g.flags.initgend === 1);
// C ref: role.c:2653 — confirmation loop
if (pick4u !== 'a') {
let confirmed = false;
while (!confirmed) {
const confirm = await confirmSelectionMenu();
if (confirm === 'y' || confirm === ' ') {
confirmed = true; // accept — exit both loops
} else if (confirm === 'q') {
g._chargenQuit = true; return; // quit
} else if (confirm === 'a') {
// rename — re-ask name, then re-show confirmation
// C ref: after confirmation menu (9 items+end = maxrow 9),
// docorner sets BASE_WINDOW cury to maxrow (=9).
// tty_askname adds empty line (cury+1=10) then prompt.
// Confirmation has 8 items + "(end)" = 9 lines (maxrow).
const renameRow = 9 + 1; // maxrow + 1 (for empty line in askname)
g.plname = await getlin('Who are you?', null, { row: renameRow }) || '';
// C ref: tty_askname uses BASE_WINDOW, not WIN_MESSAGE,
// so toplin stays EMPTY. Reset to match C.
const dispRename = game?.nhDisplay;
if (dispRename) dispRename.toplin = TOPLINE_EMPTY;
// Loop to re-show confirmation with new name
} else if (confirm === 'n') {
// choose again — reset and re-enter makepicks
g.flags.initrole = ROLE_NONE;
g.flags.initrace = ROLE_NONE;
g.flags.initgend = ROLE_NONE;
g.flags.initalign = ROLE_NONE;
repick = true;
break; // exit confirmation, re-enter outer while
}
// else: invalid key (like '*') — C rings bell, re-shows menu
}
}
}
}
if (prompted && g.flags.initalign !== ROLE_NONE) {
g.flags.initalign = normalizeStartupAlignIndex(g.flags.initalign);
}
g.promptedStartup = prompted;
}
function extractSessionKeys(steps) {
const keys = [];
for (const step of steps) {
if (step.key == null || step.key === '') continue;
if (typeof step.key !== 'string') continue;
for (const ch of step.key) {
keys.push(ch.charCodeAt(0));
}
}
return keys;
}
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