Press n or j to go to the next uncovered block, b, p or k for the previous block.
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//
// Provides xname(), doname(), an(), makeplural() for generating
// object descriptions matching C's tty output.
//
// C refs: objnam.c xname_flags(), doname_base(), an(), makeplural()
import { game } from './gstate.js';
import { artifact_name, is_quest_artifact, nartifact_exist } from './artifact.js';
import { artilist } from './artifacts.js';
import { hard_helmet } from './do_wear.js';
import { ALCHEMY_SMOCK, AMULET_CLASS, AMULET_OF_YENDOR, ARMOR_CLASS, BALL_CLASS, BELL_OF_OPENING, BLACK_OPAL, BOULDER, BRASS_LANTERN, BROADSWORD, CHAIN_CLASS, CHEST, COIN_CLASS, CORPSE, CRYSKNIFE, DIAMOND, DILITHIUM_CRYSTAL, EMERALD, FAKE_AMULET_OF_YENDOR, FIGURINE, FLAIL, FLINT, FOOD_CLASS, FOOD_RATION, GEM_CLASS, GEMSTONE, GLAIVE, GLOB_OF_BLACK_PUDDING, GLOB_OF_GRAY_OOZE, HAWAIIAN_SHIRT, HELMET, is_ammo, Is_candle, Is_container, is_corrodeable, is_crackable, Is_dragon_scale_mail, Is_dragon_scales, is_flammable, is_rustprone, KNIFE, LARGE_BOX, LEATHER_GLOVES, LOCK_PICK, MAGIC_HARP, MAGIC_LAMP, MAXOCLASSES, MINERAL, MUMMY_WRAPPING, OIL_LAMP, OPAL, PLATE_MAIL, POT_BOOZE, POT_OIL, POT_WATER, POTION_CLASS, RING_CLASS, ROBE, ROCK, ROCK_CLASS, RUBY, SAPPHIRE, SCR_BLANK_PAPER, SCROLL_CLASS, SHORT_SWORD, SLIME_MOLD, SPBOOK_CLASS, SPE_BLANK_PAPER, STATUE, TIN, TOOL_CLASS, VENOM_CLASS, WAND_CLASS, WEAPON_CLASS, WOODEN_HARP } from './objects.js';
import { CORPSTAT_HISTORIC, Has_contents, NON_PM, P_BOW, P_CROSSBOW, W_AMUL, W_ARMOR, W_BALL, W_CHAIN, W_QUIVER, W_RINGL, W_RINGR, W_SADDLE, W_SWAPWEP, W_TOOL, W_WEP } from './const.js';
import { rn2, rnd } from './rng.js';
import { mksobj, mkobj, bless, curse, weight, place_object, obj_extract_self } from './mkobj.js';
import { begin_burn } from './light.js';
import { plur, s_suffix } from './hacklib.js';
import { mons, M2_PNAME, G_UNIQ } from './monsters.js';
import { carried, currency, let_to_name, not_fully_identified, observe_object } from './invent.js';
import { get_cost_of_shop_item, is_unpaid, shk_your, unpaid_cost_fn } from './shk.js';
import { type_is_pname } from './do_name.js';
import { Blind, Role_if, URIGHTY } from './macros.js';
import { is_missile, is_weptool } from './mondata.js';
import { PM_ARCHEOLOGIST, PM_CLERIC, PM_SAMURAI } from './monsters.js';
import { def_oc_syms } from './symbols.js';
// C ref: objnam.c:105 — Japanese_items[] maps weapon types to Samurai names
const Japanese_items = [
[SHORT_SWORD, 'wakizashi'],
[BROADSWORD, 'ninja-to'],
[FLAIL, 'nunchaku'],
[GLAIVE, 'naginata'],
[LOCK_PICK, 'osaku'],
[WOODEN_HARP, 'koto'],
[MAGIC_HARP, 'magic koto'],
[KNIFE, 'shito'],
[PLATE_MAIL, 'tanko'],
[HELMET, 'kabuto'],
[LEATHER_GLOVES, 'yugake'],
[FOOD_RATION, 'gunyoki'],
[POT_BOOZE, 'sake'],
];
// C ref: objnam.c:5420 Japanese_item_name
function Japanese_item_name(otyp, ordinaryname) {
for (const [item, name] of Japanese_items) {
if (otyp === item) return name;
}
return ordinaryname;
}
// ── Vowel set for article selection ──
const vowels = 'aeiouAEIOU';
function current_descr(od) {
if (!od) return null;
const idx = Number.isInteger(od.oc_descr_idx) ? od.oc_descr_idx : null;
if (idx != null && game.objects[idx]?.oc_descr) return game.objects[idx].oc_descr;
return od.oc_descr || null;
}
function GemStone(otyp, od) {
if (otyp === FLINT) return true;
if ((od?.oc_material ?? 0) !== GEMSTONE) return false;
return otyp !== DILITHIUM_CRYSTAL
&& otyp !== RUBY
&& otyp !== DIAMOND
&& otyp !== SAPPHIRE
&& otyp !== BLACK_OPAL
&& otyp !== EMERALD
&& otyp !== OPAL;
}
// ── Class names for inventory headers ──
// C ref: invent.c names[] array
export const CLASS_NAMES = [
'', 'Illegal objects', 'Weapons', 'Armor', 'Rings', 'Amulets', 'Tools',
'Comestibles', 'Potions', 'Scrolls', 'Spellbooks', 'Wands', 'Coins',
'Gems/Stones', 'Boulders/Statues', 'Iron balls', 'Chains', 'Venoms',
];
// ── just_an: select "" / "a " / "an " ──
// C ref: objnam.c just_an()
function just_an(str) {
if (!str || !str.length) return 'a ';
const c0 = str[0].toLowerCase();
// Single letter
if (str.length === 1 || str[1] === ' ') {
return 'aefhilmnosx'.includes(c0) ? 'an ' : 'a ';
}
// "the " / "molten lava" / "iron bars" / "ice" → no article
if (str.toLowerCase().startsWith('the ')
|| str.toLowerCase() === 'molten lava'
|| str.toLowerCase() === 'iron bars'
|| str.toLowerCase() === 'ice') {
return '';
}
// Vowel with exceptions for long-u sounds
if (vowels.includes(c0)
&& !str.toLowerCase().startsWith('one')
&& !str.toLowerCase().startsWith('eu')
&& !str.toLowerCase().startsWith('uke')
&& !str.toLowerCase().startsWith('unicorn')
&& !str.toLowerCase().startsWith('uranium')
&& !str.toLowerCase().startsWith('useful')) {
return 'an ';
}
// "x" + consonant → "an"
if (c0 === 'x' && str.length > 1 && !vowels.includes(str[1].toLowerCase())) {
return 'an ';
}
return 'a ';
}
// ── an: prepend "a " or "an " ──
// C ref: objnam.c an()
export function an(str) {
return just_an(str) + str;
}
// ── makeplural: convert singular to plural ──
// C ref: objnam.c makeplural()
// Simplified version covering common NetHack object names.
export function makeplural(str) {
if (!str || !str.length) return 's';
// Handle "pair of X" → "pairs of X"
if (str.startsWith('pair of ')) return str; // C doesn't pluralize "pair of"
// Handle compound "X of Y" → pluralize X only
const ofIdx = str.indexOf(' of ');
if (ofIdx > 0) {
return makeplural(str.substring(0, ofIdx)) + str.substring(ofIdx);
}
const len = str.length;
// C ref: objnam.c:2692-2697 — words that are the same singular and plural
const unchangedPlurals = [
'bison', 'deer', 'elk', 'fish', 'fowl', 'tuna', 'yaki', 'krill',
'manes', 'moose', 'ninja', 'sheep', 'ronin', 'roshi', 'shito',
'tengu', 'ki-rin', 'Nazgul', 'gunyoki', 'piranha', 'samurai',
'shuriken', 'haggis', 'Bordeaux',
];
const lower = str.toLowerCase();
// C ref: objnam.c one_off[] irregular pairs.
const irregularPairs = [
['child', 'children'],
['cubus', 'cubi'],
['culus', 'culi'],
['cyclops', 'cyclopes'],
['djinni', 'djinn'],
['erinys', 'erinyes'],
['foot', 'feet'],
['fungus', 'fungi'],
['goose', 'geese'],
['knife', 'knives'],
['labrum', 'labra'],
['louse', 'lice'],
['mouse', 'mice'],
['mumak', 'mumakil'],
['nemesis', 'nemeses'],
['ovum', 'ova'],
['ox', 'oxen'],
['passerby', 'passersby'],
['rtex', 'rtices'],
['serum', 'sera'],
['staff', 'staves'],
['tooth', 'teeth'],
];
for (const [sing, plurForm] of irregularPairs) {
if (lower === sing) {
return str[0] === str[0].toUpperCase()
? (plurForm.charAt(0).toUpperCase() + plurForm.slice(1))
: plurForm;
}
if (lower.endsWith(' ' + sing)) {
return str.slice(0, -sing.length) + plurForm;
}
}
for (const w of unchangedPlurals) {
if (lower === w || lower.endsWith(' ' + w))
return str;
}
// C ref: objnam.c:2914-2916 — "ya" (Japanese arrow) doesn't pluralize
if ((len === 2 && lower === 'ya')
|| (len >= 3 && lower.endsWith(' ya')))
return str;
// C ref: objnam.c one_off[] table — irregular plurals
const irregulars = [
['foot', 'feet'], ['goose', 'geese'], ['tooth', 'teeth'],
['louse', 'lice'], ['mouse', 'mice'],
['child', 'children'], ['ox', 'oxen'],
];
for (const [sing, plur] of irregulars) {
if (lower === sing || (lower.length > sing.length && lower.endsWith(sing))) {
return str.substring(0, len - sing.length) + plur;
}
}
const last = str[len - 1].toLowerCase();
const last2 = len >= 2 ? str.substring(len - 2).toLowerCase() : '';
// man -> men (caveman -> cavemen)
if (len >= 3 && str.substring(len - 3).toLowerCase() === 'man') {
return str.substring(0, len - 2) + 'en';
}
// f -> ves (wolf -> wolves, knife -> knives, half -> halves)
if (last === 'f') {
const prev = len >= 2 ? str[len - 2].toLowerCase() : '';
if ('lr'.includes(prev) || vowels.includes(prev)) {
// Exception: nerf
if (len >= 3 && str.substring(len - 3).toLowerCase() === 'erf') {
return str + 's';
}
return str.substring(0, len - 1) + 'ves';
}
}
// fe -> ves (knife -> knives)
if (last2 === 'fe') {
return str.substring(0, len - 2) + 'ves';
}
// us -> i (fungus -> fungi)
if (last2 === 'us' && len > 3) {
return str.substring(0, len - 2) + 'i';
}
// sis -> ses (nemesis -> nemeses)
if (len >= 3 && str.substring(len - 3).toLowerCase() === 'sis') {
return str.substring(0, len - 2) + 'es';
}
// z, x, s, ch, sh → add "es"
if ('zxs'.includes(last)
|| (last === 'h' && len >= 2 && 'cs'.includes(str[len - 2].toLowerCase()))) {
return str + 'es';
}
// y → ies (when preceded by consonant)
if (last === 'y' && len >= 2 && !vowels.includes(str[len - 2].toLowerCase())) {
return str.substring(0, len - 1) + 'ies';
}
// Default: add 's'
return str + 's';
}
// C ref: read.c:190 hawaiian_motif — deterministic shirt design
const hawaiian_motifs = [
'flamingo', 'parrot', 'toucan', 'bird of paradise',
'sea turtle', 'tropical fish', 'jellyfish', 'giant eel', 'water nymph',
'plumeria', 'orchid', 'hibiscus flower', 'palm tree',
'hula dancer', 'sailboat', 'ukulele',
];
function hawaiian_motif(shirt) {
// C ref: read.c:217 — motif = o_id ^ ubirthday
const ubirthday = game.u?.ubirthday ?? 0;
const motif = ((shirt.o_id ?? 0) ^ ubirthday) >>> 0;
return hawaiian_motifs[motif % hawaiian_motifs.length];
}
// ── xname: base object name ──
// C ref: objnam.c xname_flags()
// Returns the base name without articles, quantity, or BUC.
export function xname(obj) {
const od = game.objects[obj.otyp];
if (!od) return 'strange object';
if (!Blind() && !game?.distantname) observe_object(obj);
// C ref: objnam.c:xname_flags() — priests know BUC status.
if (Role_if(PM_CLERIC)) {
obj.bknown = 1;
}
const oclass = obj.oclass ?? od.oc_class;
let nn = od.oc_name; // actual name (always known for starting items)
let descr = current_descr(od);
// C ref: objnam.c:210 — Samurai use Japanese weapon/armor names
if (Role_if(PM_SAMURAI)) {
nn = Japanese_item_name(obj.otyp, nn);
if (obj.otyp === WOODEN_HARP || obj.otyp === MAGIC_HARP)
descr = 'koto';
}
const un = od.oc_uname;
const nameKnown = !!od.oc_name_known;
const dknown = obj.dknown ?? false;
const bknown = obj.bknown ?? false;
const quan = obj.quan ?? 1;
const pluralize = quan > 1;
// C ref: objnam.c:660-664 — fully-identified artifacts skip to nameit
// C: find_artifact(obj) when oartifact && dknown
if (obj.oartifact && dknown) {
// C: find_artifact — marks artifact as known (existing)
}
if (obj_is_pname(obj)) {
// C ref: goto nameit — skip switch, use artifact name directly
let oname = obj.oextra?.oname || '';
if (oname.startsWith('The '))
oname = 't' + oname.substring(1);
return pluralize ? makeplural(oname) : oname;
}
let buf = '';
switch (oclass) {
case WEAPON_CLASS:
case VENOM_CLASS:
case TOOL_CLASS: {
// C: is_poisonable(obj) && obj.opoisoned → "poisoned "
if (obj.opoisoned) buf += 'poisoned ';
// C ref: objnam.c:692 — lenses prefix
if (nn === 'lenses') buf += 'pair of ';
// C ref: objnam.c:699-706 — dknown/nn/un/dn selection
const dn = descr || nn;
if (!dknown) {
buf += dn;
} else if (nameKnown) {
buf += nn;
} else if (un) {
// C: xcalled(buf, dn, un) → "dn called un"
buf += dn + ' called ' + obj.uname;
} else {
buf += dn;
}
// C ref: figurine of X, wet towel
if (obj.otyp === FIGURINE && obj.corpsenm >= 0) {
const pm = mons[obj.corpsenm];
if (pm) buf += ' of ' + (pm.mname || 'monster');
}
break;
}
case ARMOR_CLASS:
// C ref: objnam.c:722-745 — dragon scales, boots/gloves prefix, shield prefix
if (od.oc_armcat === 4 || od.oc_armcat === 3) { // ARM_BOOTS=4, ARM_GLOVES=3
buf += 'pair of ';
}
// C ref: objnam.c:738-743 — nn/un/dn selection (same as WEAPON)
if (nameKnown) {
buf += nn;
} else if (un) {
// C: xcalled(buf, armor_simple_name(obj), un)
const simpleName = descr || nn;
buf += `${simpleName} called ${un}`;
} else {
buf += descr || nn;
}
// C ref: objnam.c:971,989-992 — Hawaiian shirt motif (gameover only)
if (obj.otyp === HAWAIIAN_SHIRT && game.program_state?.gameover && obj.o_id) {
buf += ` with ${an(hawaiian_motif(obj))} motif`;
}
break;
case POTION_CLASS:
if (dknown && obj.odiluted) {
buf += 'diluted ';
}
if (nameKnown || un || !dknown) {
buf += 'potion';
if (!dknown) break;
if (nameKnown) {
buf += ' of ';
if (obj.otyp === POT_WATER && bknown && (obj.blessed || obj.cursed)) {
buf += obj.blessed ? 'holy ' : 'unholy ';
}
buf += nn;
} else {
buf += ` called ${un}`;
}
} else {
buf += `${descr || nn} potion`;
}
break;
case SCROLL_CLASS:
buf += 'scroll';
if (!dknown) {
break;
}
if (nameKnown && nn) {
buf += ' of ' + nn;
} else if (un) {
buf += ` called ${un}`;
} else if (od.oc_magic) {
buf += ` labeled ${descr || nn}`;
} else {
buf = `${descr || nn} scroll`;
}
break;
case SPBOOK_CLASS:
if (!dknown) {
buf += 'spellbook';
} else if (nameKnown && nn) {
buf += 'spellbook of ' + nn;
} else if (un) {
buf += `spellbook called ${un}`;
} else {
buf += `${descr || nn} spellbook`;
}
break;
case WAND_CLASS:
if (!dknown) {
buf += 'wand';
} else if (nameKnown && nn) {
buf += 'wand of ' + nn;
} else if (un) {
buf += `wand called ${un}`;
} else {
buf += `${descr || nn} wand`;
}
break;
case RING_CLASS:
if (!dknown) {
buf += 'ring';
break;
}
if (!nameKnown && descr) {
buf += `${descr} ring`;
break;
}
buf += 'ring of ' + nn;
break;
case AMULET_CLASS:
// C ref: objects.h has real Amulet name==description ("Amulet of Yendor").
// It should not collapse to plain "amulet" in xname().
if (obj.otyp === AMULET_OF_YENDOR) {
buf += 'Amulet of Yendor';
break;
}
if (!dknown) {
buf += 'amulet';
break;
}
if (obj.otyp === AMULET_OF_YENDOR || obj.otyp === FAKE_AMULET_OF_YENDOR) {
const dn = descr || nn || 'amulet';
const actualn = nn || dn;
buf += obj.known ? actualn : dn;
break;
}
if (nameKnown && nn) {
buf += nn;
break;
}
if (obj.uname) {
buf += `amulet called ${obj.uname}`;
break;
}
buf += `${descr || nn || 'amulet'} amulet`;
break;
case FOOD_CLASS:
buf += nn;
break;
case COIN_CLASS:
buf += 'gold piece';
break;
case ROCK_CLASS: {
const actualn = nn || 'rock';
const omndx = Number.isInteger(obj.corpsenm) ? obj.corpsenm : NON_PM;
if (obj.otyp === STATUE && omndx !== NON_PM && mons[omndx]) {
const pm = mons[omndx];
const pmname = pm.mname || 'monster';
const historic = Role_if(PM_ARCHEOLOGIST) && !!((obj.spe || 0) & CORPSTAT_HISTORIC);
const article = type_is_pname(pm) ? ''
: (the_unique_pm(pm) ? 'the ' : just_an(pmname));
buf += `${historic ? 'historic ' : ''}${actualn} of ${article}${pmname}`;
} else if (obj.otyp === BOULDER && obj.next_boulder === 1) {
buf += `next ${actualn}`;
obj.next_boulder = 0;
} else {
buf += actualn;
}
break;
}
case GEM_CLASS: {
// C ref: objnam.c:914-930 — gem naming depends on dknown/nameKnown
const rock = (od.oc_material === MINERAL) ? 'stone' : 'gem';
if (!dknown) {
buf += rock;
} else if (!nameKnown) {
if (un) {
buf += `${rock} called ${un}`;
} else {
buf += `${descr || nn} ${rock}`;
}
} else {
buf += nn;
if (GemStone(obj.otyp, od)) buf += ' stone';
}
break;
}
default:
buf += nn || 'object';
break;
}
// C ref: eat.c tin_details() from objnam.c xname() for known tins.
if (obj.otyp === TIN && dknown) {
const mnum = Number.isInteger(obj.corpsenm) ? obj.corpsenm : NON_PM;
if (mnum === NON_PM) {
if ((obj.spe | 0) === 1) {
buf += ' of spinach';
} else {
buf = 'empty tin';
}
} else {
const mname = mons[mnum]?.mname || 'meat';
// C ref: eat.c:1442 — cknown + spe<0 → rotten/homemade prefix
if ((obj.cknown || game.iflags?.override_ID) && (obj.spe ?? 0) < 0) {
// C ref: tin_variety returns ROTTEN_TIN (0) or HOMEMADE_TIN (1)
// based on obj.spe. spe == -1 → ROTTEN_TIN.
const rotten = (obj.spe === -1); // simplified
if (rotten) buf = `rotten ${buf}`;
}
buf += ` of ${mname} meat`;
}
}
// C ref: objnam.c:998-1008 — append "named X" for named objects.
// C appends for ALL has_oname objects, but JS restricts to artifacts
// because some JS code paths set oextra.oname where C doesn't,
// which changes message lengths and cascades to RNG divergence.
if (obj.oartifact && obj.oextra?.oname && dknown && !obj_is_pname(obj)) {
let oname = obj.oextra.oname;
// C ref: objnam.c:1007-1008 — downcase "The" for artifact names
if (oname.startsWith('The '))
oname = 't' + oname.substring(1);
buf += ` named ${oname}`;
}
// Pluralize if quantity > 1
if (pluralize) {
buf = makeplural(buf);
}
return buf;
}
// ── doname: full object description ──
// C ref: objnam.c doname_base()
// Returns complete description with articles, BUC, enchantment, and status.
// Order: article/quantity, empty, BUC, erosion, enchantment, name, wear/wield
export function doname(obj) {
const od = game.objects[obj.otyp];
if (!od) return 'strange object';
let bp = xname(obj);
const oclass = obj.oclass ?? od.oc_class;
const donameClass = is_weptool(obj) ? WEAPON_CLASS : oclass;
const known = obj.known ?? false;
const dknown = obj.dknown ?? false;
const bknown = obj.bknown ?? false;
const cknown = obj.cknown ?? false;
const quan = obj.quan ?? 1;
const overrideId = game?.iflags?.override_ID ? true : false;
const theUniqueObj = (() => {
const knownOrOverride = known || overrideId;
if (!dknown && !overrideId) return false;
if (obj.otyp === FAKE_AMULET_OF_YENDOR && !knownOrOverride) return true;
return !!(od.unique && (knownOrOverride || obj.otyp === AMULET_OF_YENDOR));
})();
let prefix = '';
// ── 1. Quantity or article ──
// C ref: doname_base lines 1282-1299
if (quan > 1) {
prefix = `${quan} `;
} else if (obj.otyp === CORPSE) {
prefix = '';
} else if (obj_is_pname(obj) || theUniqueObj) {
if (bp.toLowerCase().startsWith('the ')) {
bp = bp.slice(4);
}
prefix = 'the ';
} else {
prefix = 'a ';
}
// ── 2. Container "empty" ──
// C ref: doname_base lines 1301-1316
// Goes BEFORE BUC: "an empty uncursed sack"
if (cknown && Is_container(obj) && !obj.cobj) {
prefix += 'empty ';
}
// ── 3. BUC status ──
// C ref: doname_base lines 1318-1349
// flags.implicit_uncursed defaults to true
const hideBucForKnownHolyWater =
obj.otyp === POT_WATER
&& !!game.objects[POT_WATER]?.oc_name_known
&& !!(obj.cursed || obj.blessed);
if (bknown && oclass !== COIN_CLASS && !hideBucForKnownHolyWater) {
if (obj.cursed) {
prefix += 'cursed ';
} else if (obj.blessed) {
prefix += 'blessed ';
} else {
// Show "uncursed" unless implicit (known + charged + not armor/ring)
const oc_charged = od.oc_charged ?? 0;
const implicit = known && oc_charged
&& oclass !== ARMOR_CLASS && oclass !== RING_CLASS;
if (!implicit && !Role_if(PM_CLERIC)) {
prefix += 'uncursed ';
}
}
}
// ── 4. Lock state for boxes ──
// C ref: doname_base:1358-1368 — lknown && Is_box(obj) → "locked/unlocked/broken"
if (obj.lknown && (obj.otyp === LARGE_BOX || obj.otyp === CHEST)) {
if (obj.obroken) {
prefix += 'broken ';
} else if (obj.olocked) {
prefix += 'locked ';
} else {
prefix += 'unlocked ';
}
}
// C ref: doname_base:1356-1357 — trapped box prefix
if ((obj.otyp === LARGE_BOX || obj.otyp === CHEST)
&& obj.otrapped && obj.tknown && dknown) {
prefix += 'trapped ';
}
// C ref: doname_base:1370-1371 — greased prefix
if (obj.greased) {
prefix += 'greased ';
}
// ── 4b. Container contents — C ref: doname_base lines 1373-1380 ──
if (cknown && Has_contents(obj)) {
let itemcount = 0;
for (let o = obj.cobj; o; o = o.nobj) itemcount++;
bp += ` containing ${itemcount} item${itemcount !== 1 ? 's' : ''}`;
}
// ── 5. Wear status appended to bp ──
// C ref: doname_base lines 1382-1646 (switch on oclass)
// Armor wear status goes BEFORE enchantment in the prefix build
// because armor's switch case falls through to weapon for enchantment.
const wornmask = obj.owornmask ?? 0;
if (oclass === AMULET_CLASS && (wornmask & W_AMUL)) {
bp += ' (being worn)';
}
if (oclass === ARMOR_CLASS && (wornmask & W_ARMOR)) {
bp += ' (being worn)';
}
// ── 5. Enchantment ── (weapon/armor via fall-through in C)
// C ref: doname_base lines 1418-1424
if (donameClass === ARMOR_CLASS || donameClass === WEAPON_CLASS) {
// C ref: objnam.c:1143 add_erosion_words
{
const iscrys = obj.otyp === CRYSKNIFE;
const rknown = obj.rknown ?? false;
const is_damageable = (donameClass === WEAPON_CLASS
|| donameClass === ARMOR_CLASS
|| oclass === BALL_CLASS || oclass === CHAIN_CLASS
|| is_weptool(obj));
if (is_damageable || iscrys) {
if (obj.oeroded && !iscrys) {
if (obj.oeroded === 2) prefix += 'very ';
else if (obj.oeroded === 3) prefix += 'thoroughly ';
prefix += is_rustprone(obj) ? 'rusty '
: is_crackable(obj) ? 'cracked '
: 'burnt ';
}
if (obj.oeroded2 && !iscrys) {
if (obj.oeroded2 === 2) prefix += 'very ';
else if (obj.oeroded2 === 3) prefix += 'thoroughly ';
prefix += is_corrodeable(obj) ? 'corroded ' : 'rotted ';
}
if (rknown && obj.oerodeproof) {
prefix += iscrys ? 'fixed '
: is_rustprone(obj) ? 'rustproof '
: is_corrodeable(obj) ? 'corrodeproof '
: is_flammable(obj) ? 'fireproof '
: is_crackable(obj) ? 'tempered '
: '';
}
}
}
if (known) {
const spe = obj.spe ?? 0;
prefix += `${spe >= 0 ? '+' : ''}${spe} `;
}
}
// Ring enchantment (separate from weapon/armor)
if (oclass === RING_CLASS && known && od.oc_charged) {
const spe = obj.spe ?? 0;
prefix += `${spe >= 0 ? '+' : ''}${spe} `;
}
// C ref: doname_base lines 1351-1368 — "named Foo" for named objects
// For artifacts, this is now handled in xname(). doname_base no longer
// needs to add it since xname includes "named" for artifacts.
// C ref: doname_base FOOD_CLASS/CORPSE handling (objnam.c:1507-1520)
if (oclass === FOOD_CLASS && obj.oeaten) {
prefix += 'partly eaten ';
}
if (obj.otyp === CORPSE) {
const CXN_ARTICLE = 8;
const CXN_NOCORPSE = 16;
const cxarg = ((quan !== 1) ? 0 : CXN_ARTICLE) | CXN_NOCORPSE;
prefix = `${corpse_xname(obj, prefix, cxarg)} `;
}
// ── 6. Tool wear status + lit status ──
// C ref: objnam.c:1427 — W_TOOL | W_SADDLE (blindfold or saddle)
if (donameClass === TOOL_CLASS && (wornmask & (W_TOOL | W_SADDLE))) {
bp += ' (being worn)';
}
// C ref: objnam.c:1457-1477 — candle "partly used" prefix
if (Is_candle(obj) && obj.age != null) {
// C compares obj->age to full burn time; if less, add "partly used"
const fullBurn = game.objects[obj.otyp]?.oc_cost ?? 0;
if (fullBurn > 0 && obj.age < fullBurn)
prefix += 'partly used ';
}
if (donameClass === TOOL_CLASS && obj.lamplit) {
bp += ' (lit)';
}
// C ref: objnam.c:1540-1545 — ball/chain wear status
if (oclass === BALL_CLASS && (wornmask & W_BALL)) {
bp += ' (chained to you)';
}
if (oclass === CHAIN_CLASS && (wornmask & W_CHAIN)) {
bp += ' (attached to you)';
}
// ── 7. Weapon wield/ready status ──
// C ref: doname_base lines 1561-1621
if (wornmask & W_WEP) {
const twoweap_primary = (obj === game.u?.uwep && game.u?.twoweap);
// C ref: objnam.c:1570-1576 — non-weapons and ammo/missiles show "(wielded)"
// instead of "(weapon in hand)" unless actively dual-wielded.
if ((quan !== 1
|| ((oclass === WEAPON_CLASS)
? (is_ammo(obj) || is_missile(obj))
: !is_weptool(obj)))
&& !twoweap_primary) {
bp += ' (wielded)';
} else {
// C: bimanual wielded weapons use "weapon in hands".
const bothHands = !!(game.objects[obj.otyp]?.oc_bimanual);
// C ref: objnam.c:1583 — handedness: URIGHTY ? "right" : "left"
const handSide = URIGHTY() ? 'right' : 'left';
bp += bothHands ? ' (weapon in hands)' : ` (weapon in ${handSide} hand)`;
}
}
if (wornmask & W_SWAPWEP) {
// C ref: objnam.c:1613-1620 — twoweap shows "wielded in off-hand"
if (game.u?.twoweap) {
const offHand = URIGHTY() ? 'left' : 'right';
bp += ` (wielded in ${offHand} hand)`;
} else {
bp += ` (alternate weapon${plur(quan)}; not wielded)`;
}
}
if (wornmask & W_QUIVER) {
let qtyp = 3;
switch (oclass) {
case WEAPON_CLASS:
qtyp = !is_ammo(obj) ? 3
: ((game.objects[obj.otyp]?.oc_skill || 0) !== -P_BOW) ? 2
: 1;
break;
case RING_CLASS:
case AMULET_CLASS:
case WAND_CLASS:
case COIN_CLASS:
case GEM_CLASS:
qtyp = 2;
break;
default:
qtyp = 3;
break;
}
bp += ` (${qtyp === 1 ? 'in quiver' : qtyp === 2 ? 'in quiver pouch' : 'at the ready'})`;
}
// ── 8. Ring hand status ──
if (wornmask & W_RINGL) {
bp += ' (on left hand)';
}
if (wornmask & W_RINGR) {
bp += ' (on right hand)';
}
// C ref: objnam.c:1489 — lit potion of oil
if (oclass === POTION_CLASS && obj.otyp === POT_OIL && obj.lamplit) {
bp += ' (lit)';
}
// Charged item display for wands/tools: "(recharge:spe)".
if ((donameClass === WAND_CLASS || donameClass === TOOL_CLASS)
&& known && (od.oc_charged ?? 0) && Number.isInteger(obj.spe)) {
const rech = Number.isInteger(obj.recharged) ? obj.recharged : 0;
bp += ` (${rech}:${obj.spe})`;
}
// ── 9. Shop price suffix ──
// C ref: doname_base lines 1650-1689 — append "(unpaid, N zorkmids)"
// or "(for sale, N zorkmids)" for shop items.
if (!game.iflags?.suppress_price && !game.program_state?.restoring) {
if (is_unpaid(obj)) {
const price = unpaid_cost_fn(obj);
if (price > 0) {
bp += ` (${obj.unpaid ? 'unpaid' : 'contents'}, ${price} ${currency(price)})`;
}
} else if (game._doname_with_price) {
// Floor items in shops — get_cost_of_shop_item
const priceResult = get_cost_of_shop_item(obj);
if (priceResult > 0) {
bp += ` (for sale, ${priceResult} ${currency(priceResult)})`;
} else if (priceResult === -1) {
bp += ' (no charge)';
}
}
}
// ── 10. Adjust article ("a " → "an " if needed) ──
// C ref: doname_base lines 1684-1691
if (prefix.startsWith('a ')) {
const rest = prefix.substring(2) + bp;
const article = just_an(rest);
prefix = article + prefix.substring(2);
}
return prefix + bp;
}
// C ref: objnam.c doname_with_price() — doname with shop pricing
export function doname_with_price(obj) {
game._doname_with_price = true;
try { return doname(obj); }
finally { game._doname_with_price = false; }
}
// ── let_to_name: class letter/number to display name ──
// C ref: invent.c let_to_name()
function normalizeWishText(text) {
return String(text || '').replace(/\s+/g, ' ').trim().toLowerCase();
}
function exactWishName(od) {
return od?.oc_name ? od.oc_name.toLowerCase() : null;
}
// C ref: objnam.c:3241 wishymatch — fuzzy matching with "of" inversion
function wishymatch(name, target) {
const n = normalizeWishText(name);
const t = normalizeWishText(target);
if (n === t) return true;
// C ref: objnam.c:3257-3271 — "foo of bar" ↔ "bar foo" inversion
const nOf = n.indexOf(' of ');
const tOf = t.indexOf(' of ');
if (nOf >= 0 && tOf < 0) {
// "ring of teleport control" → "teleport control ring"
const inverted = n.slice(nOf + 4) + ' ' + n.slice(0, nOf);
if (inverted === t) return true;
} else if (tOf >= 0 && nOf < 0) {
const inverted = t.slice(tOf + 4) + ' ' + t.slice(0, tOf);
if (n === inverted) return true;
}
return false;
}
function inferWishClass(name) {
const s = normalizeWishText(name);
// C ref: objnam.c:4546-4551 — single object-class symbol wish
// (for example "?" for scroll class).
if (s.length === 1) {
for (let i = 1; i < def_oc_syms.length; i++) {
if (def_oc_syms[i]?.sym !== s) continue;
// Match C guard: i > ILLOBJ_CLASS and venom only in wizard mode.
if (i > 1 && i < MAXOCLASSES && (i !== VENOM_CLASS || game.wizard))
return i;
break;
}
}
if (s.startsWith('amulet') || s.startsWith('amulets')) return AMULET_CLASS;
if (s.startsWith('ring') || s.startsWith('rings')) return RING_CLASS;
if (s.startsWith('potion') || s.startsWith('potions')) return POTION_CLASS;
if (s.startsWith('scroll') || s.startsWith('scrolls')) return SCROLL_CLASS;
if (s.startsWith('spellbook') || s.startsWith('spellbooks')
|| s.startsWith('spell book') || s.startsWith('spell books')) return SPBOOK_CLASS;
if (s.startsWith('wand') || s.startsWith('wands')) return WAND_CLASS;
return 0;
}
// C ref: objnam.c:4565-4578 — strip class prefix like "ring of " from wish text
// C's readobjnam detects "<class> of <name>" and extracts <name> for matching.
const wishClassPrefixes = [
{ prefix: 'wand of ', cls: WAND_CLASS },
{ prefix: 'wands of ', cls: WAND_CLASS },
{ prefix: 'ring of ', cls: RING_CLASS },
{ prefix: 'rings of ', cls: RING_CLASS },
{ prefix: 'potion of ', cls: POTION_CLASS },
{ prefix: 'potions of ', cls: POTION_CLASS },
{ prefix: 'scroll of ', cls: SCROLL_CLASS },
{ prefix: 'scrolls of ', cls: SCROLL_CLASS },
{ prefix: 'spellbook of ', cls: SPBOOK_CLASS },
{ prefix: 'spellbooks of ', cls: SPBOOK_CLASS },
{ prefix: 'spell book of ', cls: SPBOOK_CLASS },
{ prefix: 'spell books of ', cls: SPBOOK_CLASS },
];
function wishRngPrepassName(name) {
const s = normalizeWishText(name);
if (s.endsWith('dragon scale mail')) return 'scale mail';
if (s.endsWith('dragon scales')) return 'scales';
// C ref: objnam.c:4569-4574 — strip "<class> of " prefix for matching
for (const { prefix } of wishClassPrefixes) {
if (s.startsWith(prefix)) return s.slice(prefix.length);
}
return s;
}
function rnd_otyp_by_namedesc(name, oclass = 0, xtraProb = 0) {
const valid = [];
let maxprob = 0;
const want = normalizeWishText(name);
const checkOf = !want.includes(' of ');
const minGlob = GLOB_OF_GRAY_OOZE;
const maxGlob = GLOB_OF_BLACK_PUDDING;
const lo = oclass ? (game.bases?.[oclass] ?? 0) : MAXOCLASSES;
const hi = oclass ? ((game.bases?.[oclass + 1] ?? 0) - 1) : (game.objects.length - 1);
for (let i = lo; i <= hi; i++) {
const od = game.objects[i];
if (!od?.oc_name) continue;
const zn = exactWishName(od);
const descr = current_descr(od);
const ofName = zn?.includes(' of ') ? zn.split(' of ')[1] : null;
const ofDescr = descr?.toLowerCase().includes(' of ') ? descr.toLowerCase().split(' of ')[1] : null;
if (wishymatch(want, zn)
|| (checkOf
&& i !== BELL_OF_OPENING
&& (i < minGlob || i > maxGlob)
&& ofName && wishymatch(want, ofName))
|| (descr && wishymatch(want, descr))
|| (checkOf
&& ofDescr && wishymatch(want, ofDescr))
|| (od.oc_uname && wishymatch(want, od.oc_uname))) {
valid.push(i);
maxprob += (od.oc_prob || 0) + xtraProb;
}
}
if (valid.length > 0 && maxprob > 0) {
let prob = rn2(maxprob);
for (let i = 0; i < valid.length - 1; i++) {
prob -= (game.objects[valid[i]].oc_prob || 0) + xtraProb;
if (prob < 0) return valid[i];
}
return valid[valid.length - 1];
}
return -1;
}
// C ref: objnam.c:3530 shiny_obj()
export function shiny_obj(oclass) {
return rnd_otyp_by_namedesc('shiny', oclass, 0);
}
function parseWishPrefixes(bp) {
let s = normalizeWishText(bp);
const out = {
blessed: false,
cursed: false,
uncursed: false,
unlabeled: false,
ispoisoned: false,
spe: null,
rechrg: null,
count: 1,
name: '',
};
// C ref: objnam.c:4176 readobjnam_parse_charges — strip "(N)" or
// "(N:M)" or "(lit)" suffix from the name before further parsing.
// Match LAST '(' in the string; C uses strrchr. If the suffix is
// well-formed, remove it (C also handles malformed '(' by leaving
// text intact but clearing spe/rechrg — we do the same).
{
const m = s.match(/\s*\(([^()]*)\)\s*$/);
if (m) {
const inside = m[1];
if (/^lit$/i.test(inside)) {
out.islit = true;
s = s.slice(0, m.index).trimEnd();
} else {
const cm = inside.match(/^\s*(-?\d+)(?::(-?\d+))?\s*$/);
if (cm) {
if (cm[2] != null) {
out.rechrg = parseInt(cm[1], 10);
out.spe = parseInt(cm[2], 10);
} else {
out.spe = parseInt(cm[1], 10);
}
s = s.slice(0, m.index).trimEnd();
}
}
}
}
let changed = true;
while (changed) {
changed = false;
if (s.startsWith('a ')) {
s = s.slice(2).trimStart();
changed = true;
} else if (s.startsWith('an ')) {
s = s.slice(3).trimStart();
changed = true;
} else if (s.startsWith('the ')) {
s = s.slice(4).trimStart();
changed = true;
} else if (s.startsWith('blessed ') || s.startsWith('holy ')) {
out.blessed = true;
s = s.slice(s.startsWith('blessed ') ? 8 : 5).trimStart();
changed = true;
} else if (s.startsWith('cursed ') || s.startsWith('unholy ')) {
out.cursed = true;
s = s.slice(s.startsWith('cursed ') ? 7 : 7).trimStart();
changed = true;
} else if (s.startsWith('uncursed ')) {
out.uncursed = true;
s = s.slice(9).trimStart();
changed = true;
} else if (s.startsWith('rustproof ') || s.startsWith('erodeproof ')
|| s.startsWith('corrodeproof ') || s.startsWith('fixed ')
|| s.startsWith('fireproof ') || s.startsWith('rotproof ')
|| s.startsWith('tempered ') || s.startsWith('crackproof ')) {
out.erodeproof = true;
const m = s.match(/^\S+\s+/);
s = s.slice(m[0].length).trimStart();
changed = true;
} else if (s.startsWith('lit ') || s.startsWith('burning ')) {
out.islit = true;
s = s.slice(s.startsWith('lit ') ? 4 : 8).trimStart();
changed = true;
} else if (s.startsWith('unlit ') || s.startsWith('extinguished ')) {
out.islit = false; // explicitly unlit
s = s.slice(s.startsWith('unlit ') ? 6 : 13).trimStart();
changed = true;
} else if (s.startsWith('greased ')) {
out.greased = true;
s = s.slice(8).trimStart();
changed = true;
} else if (s.startsWith('blank ') || s.startsWith('unlabeled ') || s.startsWith('unlabelled ')) {
out.unlabeled = true;
const len = s.startsWith('blank ') ? 6 : s.startsWith('unlabeled ') ? 10 : 11;
s = s.slice(len).trimStart();
changed = true;
} else if (s.startsWith('poisoned ')) {
out.ispoisoned = true;
s = s.slice(9).trimStart();
changed = true;
} else if (s.startsWith('wet ') || s.startsWith('moist ')) {
out.wetness = true;
s = s.slice(s.startsWith('wet ') ? 4 : 6).trimStart();
changed = true;
} else {
const spe = s.match(/^([+-]\d+)\s+/);
if (spe) {
out.spe = parseInt(spe[1], 10);
s = s.slice(spe[0].length).trimStart();
changed = true;
} else {
const qty = s.match(/^(\d+)\s+/);
if (qty) {
out.count = parseInt(qty[1], 10) || 1;
s = s.slice(qty[0].length).trimStart();
changed = true;
}
}
}
}
out.name = s;
return out;
}
// C ref: objnam.c:2521 wrpsym — random class table for failed wishes
const wrpsym = [
WAND_CLASS, RING_CLASS, POTION_CLASS,
SCROLL_CLASS, GEM_CLASS, AMULET_CLASS,
SPBOOK_CLASS, SPBOOK_CLASS, WEAPON_CLASS,
ARMOR_CLASS, TOOL_CLASS, FOOD_CLASS,
FOOD_CLASS,
];
export function readobjnam(bp, no_wish = null) {
// C ref: objnam.c:4913 — null bp goes straight to any: label
if (bp == null) {
const oclass = wrpsym[rn2(wrpsym.length)];
return mkobj(oclass, false);
}
const parsed = parseWishPrefixes(bp);
if (!parsed.name) {
// C ref: objnam.c:4992 any: — empty name picks random class
const oclass = wrpsym[rn2(wrpsym.length)];
return mkobj(oclass, false);
}
if (parsed.name === 'nothing' || parsed.name === 'nil' || parsed.name === 'none') {
return no_wish;
}
// C ref: objnam.c:4487-4499
// "holy water"/"unholy water" are not actual potion names, but C maps
// them to POT_WATER while setting BUC.
let forcedTyp = -1;
let parsedName = parsed.name;
if (/\bunholy water$/.test(parsedName)) {
parsed.cursed = true;
parsed.blessed = false;
parsed.uncursed = false;
forcedTyp = POT_WATER;
parsedName = 'water';
} else if (/\bholy water$/.test(parsedName)) {
parsed.blessed = true;
parsed.cursed = false;
parsed.uncursed = false;
forcedTyp = POT_WATER;
parsedName = 'water';
}
// C ref: objnam.c:4512-4518 — blank/unlabeled scroll or spellbook
// Resolved early like C's "goto typfnd" path: mksobj(typ, TRUE, FALSE)
// then the caller (makewish) handles BUC and quantity adjustments.
if (parsed.unlabeled) {
const nm = parsed.name.toLowerCase();
let blankTyp = -1;
if (nm.endsWith('scroll') || nm.endsWith('scrolls'))
blankTyp = SCR_BLANK_PAPER;
else if (nm.endsWith('spellbook') || nm.endsWith('spellbooks'))
blankTyp = SPE_BLANK_PAPER;
if (blankTyp >= 0) {
const obj = mksobj(blankTyp, true, false);
if (parsed.blessed) bless(obj);
else if (parsed.cursed) curse(obj);
else if (parsed.uncursed) { obj.blessed = 0; obj.cursed = 0; }
if (parsed.count > 1) obj.quan = parsed.count;
return obj;
}
}
// C ref: objnam.c:4487-4498 — "holy water" / "unholy water"
{
const nm = parsed.name.toLowerCase();
if (nm.endsWith('holy water')) {
const isUnholy = nm.endsWith('unholy water');
const obj = mksobj(POT_WATER, true, false);
if (isUnholy) {
curse(obj); obj.blessed = 0;
} else {
bless(obj); obj.cursed = 0;
}
if (parsed.count > 1) obj.quan = parsed.count;
return obj;
}
}
// C ref: objnam.c:4446 — singularize plural wish names
if (parsedName !== 'tricks' && parsedName !== 'clothes') {
const sng = makesingular(parsedName);
if (sng !== parsedName) {
if (parsed.count === 1) parsed.count = 2;
parsedName = sng;
}
}
// C ref: objnam.c:4870-4878 — check for artifact by name FIRST
// In C, artifact_name is checked before rnd_otyp_by_namedesc.
// When artifact matches, C skips rnd_otyp_by_namedesc (goto typfnd).
let otyp = forcedTyp;
let isArtifactWish = false;
if (otyp < 0) {
const otypRef = { value: -1 };
const aname = artifact_name(parsedName, otypRef, true);
if (aname) {
otyp = otypRef.value;
parsedName = aname;
isArtifactWish = true;
}
}
const wishClass = inferWishClass(parsedName);
if (otyp < 0) {
const prepassName = wishRngPrepassName(parsedName);
otyp = rnd_otyp_by_namedesc(prepassName, wishClass || inferWishClass(prepassName), 1);
if (prepassName !== parsedName) {
for (let i = 0; i < game.objects.length; i++) {
if (exactWishName(game.objects[i]) === parsedName) {
otyp = i;
break;
}
}
}
if (otyp < 0) {
for (let i = 0; i < game.objects.length; i++) {
if (exactWishName(game.objects[i]) === parsedName) {
otyp = i;
break;
}
}
}
}
if (otyp < 0 && !wishClass) {
// C ref: objnam.c:4990 — unmatched name with no oclass returns null
return null;
}
// C ref: objnam.c:5035 — mksobj when type known, otherwise mkobj(oclass).
const otmp = (otyp >= 0) ? mksobj(otyp, true, false) : mkobj(wishClass, false);
// C ref: objnam.c:5271 — clear random erosion from mksobj before applying
// wish-specified attributes (eroded/corroded/fixed only set if requested)
otmp.oeroded = otmp.oeroded2 = 0;
// C ref: objnam.c:5075-5083 — quantity gate for mergeable objects.
// Important for RNG parity: non-debug play consumes rnd(6) in this
// conditional chain even when count is 1.
if (parsed.count > 0) {
const isMergeable = !!game.objects[otyp]?.oc_merge;
if (isMergeable
&& (game.flags?.debug
|| parsed.count < rnd(6)
|| (parsed.count <= 7 && Is_candle(otmp))
|| (parsed.count <= 20
&& (otyp === ROCK || otyp === FLINT || is_missile(otmp)
|| (otmp.oclass === WEAPON_CLASS && is_ammo(otmp)))))) {
otmp.quan = parsed.count;
}
}
// C ref: objnam.c:5084-5090 — "lit" wishes light the object by placing
// it temporarily on the floor so burn logic can attach a light source.
if (parsed.islit && (otyp === OIL_LAMP || otyp === MAGIC_LAMP
|| otyp === BRASS_LANTERN || Is_candle(otmp) || otyp === POT_OIL)) {
place_object(otmp, game.u?.ux ?? 0, game.u?.uy ?? 0);
begin_burn(otmp, false);
obj_extract_self(otmp);
}
if (parsed.spe != null) {
otmp.spe = parsed.spe;
}
if (parsed.cursed) {
curse(otmp);
} else if (parsed.blessed) {
bless(otmp);
} else if (parsed.uncursed) {
otmp.blessed = false;
otmp.cursed = false;
}
// Apply additional parsed attributes
if (parsed.erodeproof) otmp.oerodeproof = true;
if (parsed.greased) otmp.greased = true;
if (parsed.ispoisoned) otmp.opoisoned = true;
// C ref: objnam.c readobjnam — set dknown so appearance description is
// used (e.g., "an oval amulet" not "an amulet"). Do NOT set known=true
// here — C only does that in the killer_xname path (objnam.c:1960), not
// in the general wish path. Setting known=true would show wand charges
// and other hidden properties prematurely.
otmp.dknown = true;
// C ref: objnam.c:5344-5363 — name the object (artifact assignment)
// C only calls oname() when d.name is set, which happens when the wish
// text contains a name that wasn't consumed by type matching. This is
// true for artifact wishes (isArtifactWish) but NOT for regular items
// like "scroll of enchant armor" where the name IS the type.
if (isArtifactWish && parsedName) {
if (!otmp.oextra) otmp.oextra = {};
otmp.oextra.oname = parsedName;
// Check if naming creates an artifact
const artIdx = artilist.findIndex((a, i) => i > 0 && a.otyp === otmp.otyp
&& a.name.toLowerCase() === parsedName.toLowerCase());
if (artIdx > 0) {
otmp.oartifact = artIdx;
if (game.artiexist) game.artiexist[artIdx] = true;
}
}
// C ref: objnam.c:5371-5378 — artifact denial check (consumes RNG even in debug)
// The rn2(nartifact_exist()) call is consumed whenever oartifact is set,
// even when the denial is skipped (wizard mode). Must match C's RNG.
if (otmp.oartifact) {
otmp.quan = 1;
const nExist = nartifact_exist();
const isQuest = is_quest_artifact(otmp);
if (!isQuest) {
// rn2(nExist) consumed when !is_quest_artifact
rn2(nExist); // consumed for RNG parity, result unused in debug mode
}
}
otmp.owt = weight(otmp);
return otmp;
}
// ── Helper: type_is_pname / the_unique_pm ──
// C ref: mondata.h type_is_pname(), monst.c the_unique_pm()
export function the_unique_pm(pm) { return !!(pm?.geno & G_UNIQ) && !type_is_pname(pm); }
// ── the / The: prepend "the " / "The " ──
// C ref: objnam.c the(), The()
export function the(str) {
if (!str) return 'the ';
// C ref: objnam.c the() — idempotent and normalizes leading "The " to "the ".
if (str.length >= 4 && str.slice(0, 4).toLowerCase() === 'the ')
return 't' + str.slice(1);
return 'the ' + str;
}
export function The(str) {
if (!str) return 'The ';
const t = the(str);
return t.charAt(0).toUpperCase() + t.slice(1);
}
// ── An: prepend "A " or "An " (capitalized article) ──
// C ref: objnam.c An()
export function An(str) {
const result = an(str);
return result.charAt(0).toUpperCase() + result.slice(1);
}
// ── is_plural: check if object quantity > 1 ──
// C ref: objnam.c is_plural()
export function is_plural(obj) { return (obj?.quan || 1) > 1; }
// C ref: objnam.c as_is[] — words that makesingular leaves plural
const _as_is_plurals = [
'boots', 'shoes', 'gloves', 'lenses', 'scales',
'eyes', 'gauntlets', 'iron bars',
'bison', 'deer', 'elk', 'fish', 'fowl',
'tuna', 'yaki', '-hai', 'krill', 'manes',
'moose', 'ninja', 'sheep', 'ronin', 'roshi',
'shito', 'tengu', 'ki-rin', 'nazgul', 'gunyoki',
'piranha', 'samurai', 'shuriken', 'haggis', 'bordeaux',
];
// ── special_subjs: singular words that look plural ──
// C ref: objnam.c special_subjs[]
const special_subjs = [
'erinys', 'manes', 'Cyclops', 'Hippocrates', 'Pelias', 'aklys',
'amnesia', 'detect monsters', 'paralysis', 'shape changers',
'nemesis',
];
// ── vtense: verb tense for subject ──
// C ref: objnam.c vtense()
// verb is given in plural form (no trailing s). Returns singular form
// if subj is singular, else returns verb as-is.
export function vtense(subj, verb) {
if (subj) {
const sl = subj.toLowerCase();
// "a " / "an " prefix means singular
if (sl.startsWith('a ') || sl.startsWith('an '))
return vtense_sing(verb);
// Find the relevant word end (before " of ", " from ", etc.)
let spot = null;
const markers = [' of ', ' from ', ' called ', ' named ', ' labeled '];
for (const m of markers) {
const idx = sl.indexOf(m);
if (idx > 0) {
spot = idx - 1;
break;
}
}
if (spot === null) spot = subj.length - 1;
const spotChar = subj[spot].toLowerCase();
// plural: ends in 's' but not 'us' or 'ss'
// Also check for 'eeth', 'feet', 'ia', 'ae'
const subLen = spot + 1;
if ((spotChar === 's' && spot > 0 && !'us'.includes(subj[spot - 1].toLowerCase()))
|| (spot >= 3 && subj.substring(spot - 3, spot + 1).toLowerCase() === 'eeth')
|| (spot >= 3 && subj.substring(spot - 3, spot + 1).toLowerCase() === 'feet')
|| (spot >= 1 && subj.substring(spot - 1, spot + 1).toLowerCase() === 'ia')
|| (spot >= 1 && subj.substring(spot - 1, spot + 1).toLowerCase() === 'ae')) {
// Check special_subjs exceptions
const checkStr = subj.substring(0, subLen).toLowerCase();
for (const spec of special_subjs) {
const ltmp = spec.length;
if (subLen === ltmp && checkStr === spec.toLowerCase())
return vtense_sing(verb);
// also check for "<prefix> <special_subj>"
if (subLen > ltmp && subj[spot - ltmp] === ' '
&& subj.substring(spot - ltmp + 1, spot + 1).toLowerCase() === spec.toLowerCase())
return vtense_sing(verb);
}
// Subject is plural — return verb as-is
return verb;
}
// "they" / "you" — plural
if (sl === 'they' || sl === 'you')
return verb;
}
// Singular: conjugate the verb
return vtense_sing(verb);
}
// ── vtense_sing: add singular conjugation to verb ──
// C ref: objnam.c vtense() "sing:" label
function vtense_sing(verb) {
if (!verb) return '';
const vl = verb.toLowerCase();
if (vl === 'are') return 'is';
if (vl === 'have') return 'has';
const len = verb.length;
const last = verb[len - 1].toLowerCase();
// z, x, s, ch, sh, or 2-letter verb ending in 'o' → add "es"
if ('zxs'.includes(last)
|| (len >= 2 && last === 'h' && 'cs'.includes(verb[len - 2].toLowerCase()))
|| (len === 2 && last === 'o')) {
return verb + 'es';
}
// consonant + y → ies
if (last === 'y' && len >= 2 && !vowels.includes(verb[len - 2].toLowerCase())) {
return verb.substring(0, len - 1) + 'ies';
}
return verb + 's';
}
// ── otense: verb tense based on object quantity ──
// C ref: objnam.c otense()
export function otense(obj, verb) {
if (!is_plural(obj))
return vtense(null, verb);
return verb;
}
// ── corpse_xname: name for corpse objects ──
// C ref: objnam.c corpse_xname()
// Simplified: handles the common case (no adjective, CXN_NORMAL)
export function corpse_xname(obj, adjective, cxn_flags) {
cxn_flags = cxn_flags || 0;
const ignore_quan = !!(cxn_flags & 1); // CXN_SINGULAR
const no_prefix_flag = !!(cxn_flags & 2); // CXN_NO_PFX
const the_prefix_flag = !!(cxn_flags & 4); // CXN_PFX_THE
const any_prefix_flag = !!(cxn_flags & 8); // CXN_ARTICLE
const omit_corpse = !!(cxn_flags & 16); // CXN_NOCORPSE
const omndx = obj?.corpsenm ?? NON_PM;
let mnam;
let possessive = false;
let no_prefix = no_prefix_flag;
let the_prefix = the_prefix_flag;
let any_prefix = any_prefix_flag;
if (omndx === NON_PM) {
mnam = 'thing';
} else {
mnam = mons[omndx]?.mname || 'thing';
const pm = mons[omndx];
if (the_unique_pm(pm) || type_is_pname(pm)) {
mnam = s_suffix(mnam);
possessive = true;
if (type_is_pname(pm))
no_prefix = true;
else if (the_unique_pm(pm) && !no_prefix)
the_prefix = true;
}
}
if (no_prefix)
the_prefix = any_prefix = false;
else if (the_prefix)
any_prefix = false;
let nambuf = '';
if (the_prefix)
nambuf += 'the ';
if (!adjective) {
nambuf += mnam;
} else {
if (possessive)
nambuf += `${mnam} ${adjective}`;
else
nambuf += `${adjective} ${mnam}`;
nambuf = nambuf.replace(/\s+/g, ' ').trim();
// if adjective starts with digit, suppress article
if (/^\d/.test(adjective))
any_prefix = false;
}
if (!omit_corpse) {
nambuf += ' corpse';
if ((obj?.quan || 1) > 1 && !ignore_quan) {
nambuf += 's';
any_prefix = false;
}
}
if (any_prefix) {
nambuf = an(nambuf);
}
return nambuf;
}
// ── cxname: xname that includes monster type for corpses ──
// C ref: objnam.c cxname()
export function cxname(obj) {
if (obj?.otyp === CORPSE)
return corpse_xname(obj, null, 0); // CXN_NORMAL
return xname(obj);
}
// ── cxname_singular: cxname ignoring quantity ──
// C ref: objnam.c cxname_singular()
export function cxname_singular(obj) {
if (obj?.otyp === CORPSE)
return corpse_xname(obj, null, 1); // CXN_SINGULAR
// xname with CXN_SINGULAR — temporarily set quan to 1
const save = obj?.quan;
if (obj) obj.quan = 1;
const result = xname(obj);
if (obj) obj.quan = save;
return result;
}
// ── aobjnam: "count cxname verb" ──
// C ref: objnam.c aobjnam()
export function aobjnam(obj, verb) {
let bp = cxname(obj);
if ((obj?.quan || 1) !== 1) {
bp = `${obj.quan} ${bp}`;
}
if (verb) {
bp += ' ' + otense(obj, verb);
}
return bp;
}
// ── Tobjnam: "The xname verb" ──
// C ref: objnam.c Tobjnam()
export function Tobjnam(obj, verb) {
let bp = The(xname(obj));
if (verb) {
bp += ' ' + otense(obj, verb);
}
return bp;
}
// ── yname: "[your ]cxname(obj)" ──
// C ref: objnam.c yname()
export function yname(obj) {
let s = cxname(obj);
// C: leave off "your" for most artifacts with pname,
// but we don't track oartifact fully yet, so always prepend
const prefix = shk_your('', obj);
return prefix + s;
}
// ── Yname2: capitalized yname ──
// C ref: objnam.c Yname2()
export function Yname2(obj) {
const s = yname(obj);
return s.charAt(0).toUpperCase() + s.slice(1);
}
// ── yobjnam: "your count cxname verb" ──
// C ref: objnam.c:2260 yobjnam()
export function yobjnam(obj, verb) {
let s = aobjnam(obj, verb);
const prefix = shk_your('', obj);
return prefix + s;
}
// ── Yobjnam2: capitalized yobjnam ──
// C ref: objnam.c:2278 Yobjnam2()
export function Yobjnam2(obj, verb) {
const s = yobjnam(obj, verb);
return s.charAt(0).toUpperCase() + s.slice(1);
}
// ── Doname2: capitalized doname ──
// C ref: objnam.c Doname2()
export function Doname2(obj) {
const s = doname(obj);
return s.charAt(0).toUpperCase() + s.slice(1);
}
// ── killer_xname: fully identified name for death messages ──
// C ref: objnam.c killer_xname()
export function killer_xname(obj) {
// Save original settings
const save_known = obj.known;
const save_dknown = obj.dknown;
const save_bknown = obj.bknown;
const save_rknown = obj.rknown;
const save_greased = obj.greased;
const save_blessed = obj.blessed;
const save_cursed = obj.cursed;
const save_opoisoned = obj.opoisoned;
const od = game.objects[obj.otyp];
const save_ocknown = od?.oc_name_known;
const save_ocuname = od?.oc_uname;
// Set flags for killer name
obj.known = true;
obj.dknown = true;
obj.bknown = false;
obj.rknown = false;
obj.greased = false;
if (obj.otyp !== POT_WATER) {
obj.blessed = false;
obj.cursed = false;
} else {
obj.bknown = true;
}
obj.opoisoned = false;
if (od) {
od.oc_name_known = 1;
od.oc_uname = null;
}
// Format the object
let buf;
if (obj.otyp === CORPSE) {
buf = corpse_xname(obj, null, 0);
} else if (obj.otyp === SLIME_MOLD) {
buf = 'deadly slime mold' + plur(obj.quan || 1);
} else {
buf = xname(obj);
}
// Apply article if singular
if ((obj.quan || 1) === 1 && !buf.includes("'s ") && !buf.includes("s' ")) {
buf = an(buf);
}
// Restore original settings
obj.known = save_known;
obj.dknown = save_dknown;
obj.bknown = save_bknown;
obj.rknown = save_rknown;
obj.greased = save_greased;
obj.blessed = save_blessed;
obj.cursed = save_cursed;
obj.opoisoned = save_opoisoned;
if (od) {
od.oc_name_known = save_ocknown;
od.oc_uname = save_ocuname;
}
return buf;
}
// ── makesingular: convert plural to singular ──
// C ref: objnam.c makesingular()
// Simplified version covering common NetHack object/monster names.
export function makesingular(str) {
if (!str || !str.length) return '';
str = str.trimStart();
if (!str) return '';
// Pronoun handling
const sl = str.toLowerCase();
if (sl === 'they') return str[0] === 'T' ? 'It' : 'it';
if (sl === 'them') return str[0] === 'T' ? 'It' : 'it';
if (sl === 'their') return str[0] === 'T' ? 'Its' : 'its';
// Handle "foo of bar" — singularize just "foo"
let excess = '';
const markers = [' of ', ' from ', ' called ', ' named ', ' labeled '];
for (const m of markers) {
const idx = str.indexOf(m);
if (idx > 0) {
excess = str.substring(idx);
str = str.substring(0, idx);
break;
}
}
let p = str.length;
// Check special_subjs — these don't need singularization
for (const spec of special_subjs) {
if (str.toLowerCase() === spec.toLowerCase())
return str + excess;
}
// C ref: objnam.c as_is[] — words that stay plural
const strLower = str.toLowerCase();
for (const word of _as_is_plurals) {
if (strLower === word || strLower.endsWith(' ' + word))
return str + excess;
}
if (p >= 1 && str[p - 1].toLowerCase() === 's') {
if (p >= 2 && str[p - 2].toLowerCase() === 'e') {
if (p >= 3 && str[p - 3].toLowerCase() === 'i') {
// "ies" → check exceptions first
if (str.toLowerCase().endsWith('cookies')
|| str.toLowerCase().endsWith('zombies')
|| str.toLowerCase().endsWith('valkyries')) {
// Just drop 's'
return str.substring(0, p - 1) + excess;
}
// ies → y
return str.substring(0, p - 3) + 'y' + excess;
}
// "ves" → "f" (wolves → wolf, but not fully reversible)
// C: only when char before "ves" is in "lr" or vowels
if (p >= 4 && str.substring(p - 3).toLowerCase() === 'ves'
&& ('lr'.includes(str[p - 4].toLowerCase())
|| vowels.includes(str[p - 4].toLowerCase()))
&& !str.toLowerCase().endsWith('cloves')
&& !str.toLowerCase().endsWith('nerves')) {
return str.substring(0, p - 3) + 'f' + excess;
}
// Various -es endings that drop "es"
const last4 = p >= 4 ? str.substring(p - 4).toLowerCase() : '';
if (last4 === 'eses' || last4 === 'oxes' || last4 === 'nxes'
|| last4 === 'ches' || last4 === 'uses' || last4 === 'shes'
|| last4 === 'sses'
|| (p >= 5 && str.substring(p - 5).toLowerCase() === 'atoes')
|| (p >= 7 && str.substring(p - 7).toLowerCase() === 'dingoes')) {
return str.substring(0, p - 2) + excess;
}
// else fall through to drop just 's'
} else if (p >= 2 && str.substring(p - 2).toLowerCase() === 'us') {
// "us" — already singular (fungus, etc.)
return str + excess;
} else if (p >= 2 && str.substring(p - 2).toLowerCase() === 'ss') {
// "ss" — already singular (mattress, etc.)
return str + excess;
} else if (p >= 5 && str.substring(p - 5).toLowerCase() === ' lens') {
// "lens" — already singular
return str + excess;
} else if (p === 4 && str.toLowerCase() === 'lens') {
return str + excess;
}
// Default: drop trailing 's'
return str.substring(0, p - 1) + excess;
}
// Input doesn't end in 's'
if (p >= 3 && str.substring(p - 3).toLowerCase() === 'men') {
// men → man (cavemen → caveman)
return str.substring(0, p - 2) + 'an' + excess;
}
if (p >= 2 && str.substring(p - 2).toLowerCase() === 'ae') {
// ae → a (algae → alga)
return str.substring(0, p - 1) + excess;
}
if (p >= 2 && str.substring(p - 2).toLowerCase() === 'ia'
&& p >= 4 && str[p - 3].toLowerCase() === 'r'
&& str[p - 4].toLowerCase() === 'e') {
// eria → erium
return str.substring(0, p - 1) + 'um' + excess;
}
return str + excess;
}
// ── Remaining stubs and simple wrappers ──
export function ansimpleoname(obj) { return an(xname(obj)); }
export function simpleonames(obj) { return xname(obj); }
export function ysimple_name(obj) {
const prefix = shk_your('', obj);
return prefix + minimal_xname(obj);
}
export function singular(obj, fn) { const save = obj.quan; obj.quan = 1; const r = fn(obj); obj.quan = save; return r; }
export function thesimpleoname(obj) { return 'the ' + xname(obj); }
export function distant_name(obj, fn) { return fn(obj); }
export function obj_typename(otyp) {
if (otyp == null || otyp < 0) return 'object';
const od = game.objects?.[otyp];
if (!od) return 'object';
return od.oc_name || od.oc_descr || 'object';
}
export function simple_typename(otyp) {
return obj_typename(otyp);
}
export function minimal_xname(obj) { return xname(obj); }
// C ref: objnam.c:333 — artifact is a proper name only if fully identified
export function obj_is_pname(obj) {
if (!obj?.oartifact || !obj.oextra?.oname) return false;
// C: not_fully_identified check — artifacts aren't pname until identified
if (!game.program_state?.gameover && !game.iflags?.override_ID) {
if (not_fully_identified(obj)) return false;
}
return true;
}
// C ref: objnam.c:5511 helm_simple_name()
export function helm_simple_name(helmet) {
return !hard_helmet(helmet) ? 'hat' : 'helm';
}
// C ref: objnam.c:5490 cloak_simple_name()
export function cloak_simple_name(cloak) {
if (cloak) {
if (cloak.otyp === ROBE) return 'robe';
if (cloak.otyp === MUMMY_WRAPPING) return 'wrapping';
if (cloak.otyp === ALCHEMY_SMOCK) {
return (game.objects[cloak.otyp]?.oc_name_known && cloak.dknown)
? 'smock' : 'apron';
}
}
return 'cloak';
}
// C ref: objnam.c:5469 suit_simple_name()
export function suit_simple_name(suit) {
if (suit) {
if (Is_dragon_scale_mail(suit)) return 'dragon mail';
if (Is_dragon_scales(suit)) return 'dragon scales';
const suitnm = game.objects[suit.otyp]?.oc_name || '';
if (suitnm.length > 5 && suitnm.endsWith(' mail')) return 'mail';
if (suitnm.length > 7 && suitnm.endsWith(' jacket')) return 'jacket';
}
return 'suit';
}
// C ref: objnam.c:5521 gloves_simple_name()
export function gloves_simple_name(gloves) {
return 'gloves';
}
// C ref: objnam.c:5531 boots_simple_name()
export function boots_simple_name(boots) {
return 'boots';
}
// C ref: objnam.c:5541 shield_simple_name()
export function shield_simple_name(shield) {
if (shield) {
const odata = game.objects[shield.otyp];
if (odata && odata.oc_name.endsWith('buckler')) return 'buckler';
}
return 'shield';
}
// C: Ysimple_name2(obj) — capitalized simple name
export function Ysimple_name2(obj) {
const n = simpleonames(obj);
return n.charAt(0).toUpperCase() + n.slice(1);
}
// C ref: objnam.c:5622 safe_qbuf()
// Build "prefix + objname + suffix", trying func(obj) first, then altfunc(obj),
// falling back to lastR. JS has no buffer limits so this is simplified.
export async function safe_qbuf(qbuf, prefix, suffix, obj, func, altfunc, lastR) {
const name = func ? await func(obj) : (altfunc ? altfunc(obj) : lastR);
return (prefix || '') + name + (suffix || '');
}
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