Press n or j to go to the next uncovered block, b, p or k for the previous block.
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// Engraving functions: make_engr_at, engr_at, del_engr, del_engr_at,
// sengr_at, read_engr_at, u_wipe_engr, wipe_engr_at, wipeout_text,
// random_engraving, can_reach_floor, cant_reach_floor, freehand,
// make_grave, doengrave, save_engravings, rest_engravings, rloc_engr,
// disturb_grave, sanitize_engravings, forget_engravings, blengr,
// engr_can_be_felt, see_engraving, feel_engraving
import { game } from './gstate.js';
import { rn2, rnd, rn1, pushRngLogEntry } from './rng.js';
import { PM_GHOUL } from './monsters.js';
import {
DUST, ENGRAVE, BURN, MARK, HEADSTONE, ENGR_BLOOD, N_ENGRAVE,
GRAVE, ICE, ROOM, BUFSZ, COLNO, ROWNO,
ECMD_OK, ECMD_FAIL, ECMD_CANCEL,
A_WIS,
IS_GRAVE, IS_ALTAR, IS_FOUNTAIN, IS_AIR, ACCESSIBLE,
Never_mind,
CLOUD, DRAWBRIDGE_DOWN,
GETOBJ_ALLOWCNT, GETOBJ_PROMPT, GETOBJ_SUGGEST, GETOBJ_DOWNPLAY,
u_at, FINGER, FINGERTIP, P_PICK_AXE,
} from './const.js';
import { newsym, setBotl } from './display.js';
import { surface } from './hacklib.js';
import { is_ice, is_lava, is_pool } from './dbridge.js';
import { t_at } from './map_access.js';
import { cansee } from './vision.js';
import { Blind, Deaf, Levitation, Flying, Confusion, Stunned, Hallucination, getLuck } from './macros.js';
import { getlin, ynFunction } from './input.js';
import { getobj } from './invent.js';
import { nomul, set_occupation } from './cmd.js';
import { exercise } from './attrib.js';
import { makemon } from './makemon.js';
import { goodpos } from './makemon.js';
import { EPITAPHS, EPITAPH_LINE_BYTES, EPITAPH_CHUNKSIZE } from './epitaphs.js';
import { get_rnd_text, getrumor } from './rumors.js';
import { parseEncryptedDataFile, xcrypt } from './hacklib.js';
import { ENGRAVE_FILE_TEXT } from './engrave_data.js';
import { is_ammo, DAGGER, KNIFE, AXE, PICK_AXE, DWARVISH_MATTOCK, WAN_DIGGING, WAN_FIRE, WAN_LIGHTNING, SPE_DIG, SPE_FIREBALL, SPE_CONE_OF_COLD, SCR_FIRE, FLESH, TOWEL, MAGIC_MARKER, TOOL_CLASS, WEAPON_CLASS, WAND_CLASS, GEM_CLASS, RING_CLASS } from './objects.js';
import { P_SKILL, use_skill } from './weapon.js';
import { is_blade, is_weptool } from './mondata.js';
import { body_part, mbodypart } from './polyself.js';
// Parse encrypted engrave data at module init
const _engraveData = parseEncryptedDataFile(ENGRAVE_FILE_TEXT);
const ENGRAVINGS = _engraveData.texts;
const ENGRAVE_LINE_BYTES = _engraveData.lineBytes;
const ENGRAVE_CHUNKSIZE = _engraveData.chunksize;
import { can_reach_floor } from './hack.js';
import { You, You_cant, You_feel, You_hear, You_see, pline, pline_The } from './pline.js';
import { doname } from './objnam.js';
const MD_PAD_RUMORS = 60;
// ============================================================
// rubouts table — C ref: engrave.c:66-116
// ============================================================
const rubouts = [
['A', '^'], ['B', 'Pb['], ['C', '('], ['D', '|)['],
['E', '|FL[_'], ['F', '|-'], ['G', 'C('], ['H', '|-'],
['I', '|'], ['K', '|<'], ['L', '|_'], ['M', '|'],
['N', '|\\'], ['O', 'C('], ['P', 'F'], ['Q', 'C('],
['R', 'PF'], ['T', '|'], ['U', 'J'], ['V', '/\\'],
['W', 'V/\\'], ['Z', '/'], ['b', '|'], ['d', 'c|'],
['e', 'c'], ['g', 'c'], ['h', 'n'], ['j', 'i'],
['k', '|'], ['l', '|'], ['m', 'nr'], ['n', 'r'],
['o', 'c'], ['q', 'c'], ['w', 'v'], ['y', 'v'],
[':', '.'], [';', ',:'], [',', '.'], ['=', '-'],
['+', '-|'], ['*', '+'], ['@', '0'], ['0', 'C('],
['1', '|'], ['6', 'o'], ['7', '/'], ['8', '3o'],
];
// ============================================================
// blind_writing table — C ref: engrave.c:1746-1765
// ============================================================
const blind_writing = [
[0x44,0x66,0x6d,0x69,0x62,0x65,0x22,0x45,0x7b,0x71,0x65,0x6d,0x72,0x00],
[0x51,0x67,0x60,0x7a,0x7f,0x21,0x40,0x71,0x6b,0x71,0x6f,0x67,0x63,0x00],
[0x49,0x6d,0x73,0x69,0x62,0x65,0x22,0x4c,0x61,0x7c,0x6d,0x67,0x24,0x42,0x7f,0x69,0x6c,0x77,0x67,0x7e,0x00],
[0x4b,0x6d,0x6c,0x66,0x30,0x4c,0x6b,0x68,0x7c,0x7f,0x6f,0x00],
[0x51,0x67,0x70,0x7a,0x7f,0x6f,0x67,0x68,0x64,0x71,0x21,0x4f,0x6b,0x6d,0x7e,0x72,0x00],
[0x4c,0x63,0x76,0x61,0x71,0x21,0x48,0x6b,0x7b,0x75,0x67,0x63,0x24,0x45,0x65,0x6b,0x6b,0x65,0x00],
[0x4c,0x67,0x68,0x6b,0x78,0x68,0x6d,0x76,0x7a,0x75,0x21,0x4f,0x71,0x7a,0x75,0x6f,0x77,0x00],
[0x44,0x66,0x6d,0x7c,0x78,0x21,0x50,0x65,0x66,0x65,0x6c,0x00],
[0x44,0x66,0x73,0x69,0x62,0x65,0x22,0x56,0x7d,0x63,0x69,0x76,0x6b,0x66,0x00],
];
// C ref: ROLL_FROM macro — pick random element
function blengr() {
const idx = rn2(blind_writing.length);
const bytes = blind_writing[idx];
// Convert byte array to string (stop at 0x00)
let s = '';
for (let i = 0; i < bytes.length && bytes[i] !== 0x00; i++) {
s += String.fromCharCode(bytes[i]);
}
return xcrypt(s);
}
// ============================================================
// wipeout_text — C ref: engrave.c:119-183
// Degrade characters in a string. Returns modified string.
// In C this mutates in-place; in JS we return a new string.
// ============================================================
export function wipeout_text(engr, cnt, seed) {
let chars = engr.split('');
let lth = chars.length;
if (lth && cnt > 0) {
while (cnt-- > 0) {
let nxt, use_rubout;
if (!seed) {
nxt = rn2(lth);
use_rubout = rn2(4);
} else {
nxt = seed % lth;
seed = (seed * 31) % (BUFSZ - 1);
use_rubout = seed & 3;
}
let s = chars[nxt];
if (s === ' ') continue;
// rub out unreadable & small punctuation marks
if ("?.,'`-|_".indexOf(s) >= 0) {
chars[nxt] = ' ';
continue;
}
let i;
if (!use_rubout) {
i = rubouts.length;
} else {
for (i = 0; i < rubouts.length; i++) {
if (s === rubouts[i][0]) {
const wipeto = rubouts[i][1];
const ln = wipeto.length;
let j;
if (!seed) {
j = rn2(ln);
} else {
seed = (seed * 31) % (BUFSZ - 1);
j = seed % ln;
}
chars[nxt] = wipeto[j];
break;
}
}
}
// didn't pick rubout; use '?' for unreadable character
if (i === rubouts.length) chars[nxt] = '?';
}
}
// trim trailing spaces
while (lth > 0 && chars[lth - 1] === ' ') {
chars[--lth] = '';
}
return chars.slice(0, lth).join('');
}
// ============================================================
// random_engraving — C ref: engrave.c:51-63
// ============================================================
// C: char *random_engraving(char *outbuf, char *pristine_copy)
// 75% chance: try a rumor (getrumor(0, buf, TRUE=exclude_cookie)).
// If rn2(4)==0, or getrumor returns empty, fall back to engrave file.
export function random_engraving() {
let pristine;
// C: if (!rn2(4) || !(rumor = getrumor(0, pristine_copy, TRUE)) || !*rumor)
// get_rnd_text(ENGRAVEFILE, pristine_copy, rn2, MD_PAD_RUMORS);
if (!rn2(4) || !(pristine = getrumor(0, true)) || !pristine) {
pristine = get_rnd_text(ENGRAVINGS, ENGRAVE_LINE_BYTES, ENGRAVE_CHUNKSIZE, rn2, MD_PAD_RUMORS);
}
const wiped = wipeout_text(pristine, Math.trunc(pristine.length / 4), 0);
return { text: wiped, pristine };
}
// ============================================================
// engr_at — C ref: engrave.c:230-241
// ============================================================
export function engr_at(x, y) {
if (!game.level?.engravings) return null;
for (const ep of game.level.engravings) {
if (ep.x === x && ep.y === y) return ep;
}
return null;
}
// ============================================================
// sengr_at — C ref: engrave.c:250-261
// ============================================================
export function sengr_at(s, x, y, strict) {
const ep = engr_at(x, y);
if (ep && ep.engr_type !== HEADSTONE && ep.engr_time <= game.moves) {
const txt = ep.text || '';
if (strict) {
if (txt.toLowerCase() === s.toLowerCase()) return ep;
} else {
if (txt.toLowerCase().indexOf(s.toLowerCase()) >= 0) return ep;
}
}
return null;
}
// ============================================================
// u_wipe_engr — C ref: engrave.c:263-268
// ============================================================
export function u_wipe_engr(cnt) {
if (can_reach_floor(true))
wipe_engr_at(game.u.ux, game.u.uy, cnt, false);
}
// ============================================================
// wipe_engr_at — C ref: engrave.c:270-291
// ============================================================
export function wipe_engr_at(x, y, cnt, magical) {
const ep = engr_at(x, y);
// Headstones and specially marked engravings are indelible
if (ep && ep.engr_type !== HEADSTONE && !ep.nowipeout) {
pushRngLogEntry(`^wipe[${x},${y}]`);
if (ep.engr_type !== BURN || is_ice(x, y) || (magical && !rn2(2))) {
if (ep.engr_type !== DUST && ep.engr_type !== ENGR_BLOOD) {
cnt = rn2(1 + Math.trunc(50 / (cnt + 1))) ? 0 : 1;
}
let txt = ep.text || '';
txt = wipeout_text(txt, cnt, 0);
// strip leading spaces
txt = txt.replace(/^ +/, '');
ep.text = txt;
if (!txt) {
del_engr(ep);
}
}
}
}
// ============================================================
// engr_can_be_felt — C ref: engrave.c:297-316
// ============================================================
export function engr_can_be_felt(ep) {
switch (ep.engr_type) {
case ENGRAVE:
case HEADSTONE:
case BURN:
return true;
case DUST:
case MARK:
case ENGR_BLOOD:
default:
return false;
}
}
// ============================================================
// read_engr_at — C ref: engrave.c:318-406
// ============================================================
export async function read_engr_at(x, y) {
const ep = engr_at(x, y);
if (!ep || !ep.text) return;
const eloc = surface(x, y);
let sensed = 0;
switch (ep.engr_type) {
case DUST:
if (!Blind()) {
sensed = 1;
await pline(`Something is written here in the ${is_ice(x, y) ? 'frost' : 'dust'}.`);
}
break;
case ENGRAVE:
case HEADSTONE:
if (!Blind() || can_reach_floor(true)) {
sensed = 1;
await pline(`Something is engraved here on the ${eloc}.`);
}
break;
case BURN:
if (!Blind() || can_reach_floor(true)) {
sensed = 1;
await pline(`Some text has been ${is_ice(x, y) ? 'melted' : 'burned'} into the ${eloc} here.`);
}
break;
case MARK:
if (!Blind()) {
sensed = 1;
await pline(`There's some graffiti on the ${eloc} here.`);
}
break;
case ENGR_BLOOD:
if (!Blind()) {
sensed = 1;
await You_see('a message scrawled in blood here.');
}
break;
default:
// impossible
sensed = 1;
break;
}
if (sensed) {
const text = ep.text;
// C ref: engrave.c:388-394 — append punctuation unless the pristine
// source already ended with .?! at the corresponding position.
// A trailing '?' in the sensed text is treated as uncertainty and
// still gets a final period.
let endpunct = '';
if (text.length > 0) {
const pristine = ep.pristine_text || text;
const idx = Math.min(text.length - 1, pristine.length - 1);
const pristineTail = idx >= 0 ? pristine[idx] : '\0';
if (text[text.length - 1] === '?' || !'.?!'.includes(pristineTail)) {
endpunct = '.';
}
}
await You(`${Blind() ? 'feel the words' : 'read'}: "${text}"${endpunct}`);
ep.eread = 1;
ep.erevealed = 1;
if (game.context?.run > 0)
nomul(0);
}
}
// ============================================================
// make_engr_at — C ref: engrave.c:408-459
// Event: ^engr[type,x,y]
// ============================================================
export function make_engr_at(x, y, s, pristine_s, e_time, e_type) {
const ep_old = engr_at(x, y);
if (ep_old) del_engr(ep_old);
const engr_type = (e_type > 0) ? e_type : rnd(N_ENGRAVE - 1);
const ep = {
x, y,
engr_type,
text: s || '',
pristine_text: pristine_s || s || '',
remembered_text: s || '',
engr_time: e_time || 0,
eread: 0,
erevealed: 0,
nowipeout: 0,
guardobjects: 0,
};
if (s === 'Elbereth') {
if (game.in_mklev)
ep.guardobjects = 1;
else
exercise(A_WIS, true);
}
pushRngLogEntry(`^engr[${ep.engr_type},${x},${y}]`);
if (game.level) {
game.level.engravings.push(ep);
}
}
// ============================================================
// del_engr — C ref: engrave.c:1646-1666
// Event: ^dengr[x,y]
// ============================================================
export function del_engr(ep) {
if (!ep) return;
pushRngLogEntry(`^dengr[${ep.x},${ep.y}]`);
if (game.level?.engravings) {
const idx = game.level.engravings.indexOf(ep);
if (idx >= 0) game.level.engravings.splice(idx, 1);
}
}
// ============================================================
// del_engr_at — C ref: engrave.c:461-468
// ============================================================
export function del_engr_at(x, y) {
const ep = engr_at(x, y);
if (ep) del_engr(ep);
}
// ============================================================
// freehand — C ref: engrave.c:474-479
// ============================================================
export function freehand() {
const uwep = game.u?.uwep;
const uarms = game.u?.uarms;
// C: (!uwep || !welded(uwep) || (!bimanual(uwep) && (!uarms || !uarms->cursed)))
// Simplified: assume welded/bimanual not yet wired
if (!uwep) return true;
// TODO: wire welded() and bimanual() when available
return true;
}
// ============================================================
// rloc_engr — C ref: engrave.c:1669-1684
// Randomly relocate an engraving.
// ============================================================
export function rloc_engr(ep) {
let tryct = 200;
while (--tryct >= 0) {
const tx = rn1(COLNO - 3, 2);
const ty = rn2(ROWNO);
if (!engr_at(tx, ty) && goodpos(tx, ty, null, 0)) {
ep.x = tx;
ep.y = ty;
newsym(tx, ty);
return;
}
}
}
// ============================================================
// make_grave — C ref: engrave.c:1689-1706
// ============================================================
export function make_grave(x, y, str) {
const loc = game.level?.at(x, y);
if (!loc) return;
if (loc.typ !== ROOM && loc.typ !== GRAVE) return;
if (t_at(x, y)) return;
loc.typ = GRAVE;
del_engr_at(x, y);
if (!str) {
str = get_rnd_text(EPITAPHS, EPITAPH_LINE_BYTES, EPITAPH_CHUNKSIZE, rn2, MD_PAD_RUMORS);
}
make_engr_at(x, y, str, null, 0, HEADSTONE);
}
// ============================================================
// disturb_grave — C ref: engrave.c:1709-1724
// ============================================================
export async function disturb_grave(x, y) {
const loc = game.level?.at(x, y);
if (!loc || !IS_GRAVE(loc.typ)) return;
if (loc.disturbed) return;
await You('disturb the undead!');
loc.disturbed = 1;
await makemon(PM_GHOUL, x, y, 0);
exercise(A_WIS, false);
}
// ============================================================
// sanitize_engravings — C ref: engrave.c:1499-1507
// ============================================================
export function sanitize_engravings() {
if (!game.level?.engravings) return;
for (const ep of game.level.engravings) {
// Strip control characters
if (ep.text) {
ep.text = ep.text.replace(/[\x00-\x1f\x7f]/g, '');
}
}
}
// ============================================================
// forget_engravings — C ref: engrave.c:1510-1523
// ============================================================
export function forget_engravings() {
if (!game.level?.engravings) return;
for (const ep of game.level.engravings) {
ep.erevealed = 0;
ep.eread = 0;
}
}
// ============================================================
// see_engraving — C ref: engrave.c:1727-1730
// ============================================================
export function see_engraving(ep) {
newsym(ep.x, ep.y);
}
// ============================================================
// feel_engraving — C ref: engrave.c:1735-1744
// ============================================================
export function feel_engraving(ep) {
if (engr_can_be_felt(ep)) {
ep.eread = 1;
ep.erevealed = 1;
// map_engraving(ep, 1); // TODO: wire when available
newsym(ep.x, ep.y);
}
}
// ============================================================
// save_engravings — C ref: engrave.c:1552-1583
// In JS, saving is handled by the level serialization system.
// This is a stub that matches the C interface.
// ============================================================
export function save_engravings() {
// JS save system serializes game.level.engravings directly.
// No additional work needed here.
}
// ============================================================
// rest_engravings — C ref: engrave.c:1585-1621
// In JS, restoring is handled by the level deserialization system.
// This is a stub that matches the C interface.
// ============================================================
export function rest_engravings() {
// JS save system deserializes game.level.engravings directly.
// No additional work needed here.
}
// ============================================================
// doengrave — C ref: engrave.c:957-1265
// ============================================================
export async function doengrave() {
let etype = DUST;
let index;
let can_reach = can_reach_floor(true);
const g = game;
if (u_at(g.u.ux, g.u.uy)) {
// C: if (u.uswallow) { ... }
if (g.u.uswallow) {
await pline("You're joking! Surrounded by %s and you want to engrave?",
mbodypart(g.u.ustuck, FLESH));
return ECMD_FAIL;
}
}
if (is_pool(g.u.ux, g.u.uy) || is_lava(g.u.ux, g.u.uy) || g.u.uinwater) {
await You_cant("engrave while swimming.");
return ECMD_FAIL;
}
if (IS_AIR(g.level.at(g.u.ux, g.u.uy).typ) || (Flying() && !can_reach)) {
await You_cant("reach the %s to engrave it.", surface(g.u.ux, g.u.uy));
return ECMD_FAIL;
}
if (g.u.usteed && !can_reach) {
await You_cant("reach the %s while riding.", surface(g.u.ux, g.u.uy));
return ECMD_FAIL;
}
// C ref: stylus_ok (engrave.c:483) — getobj callback for engraving tool
const otmp = await getobj("write with", (obj) => {
if (!obj) return GETOBJ_SUGGEST; // bare hands (finger)
if (obj.oclass === WEAPON_CLASS || obj.oclass === WAND_CLASS
|| obj.oclass === GEM_CLASS || obj.oclass === RING_CLASS)
return GETOBJ_SUGGEST;
if (obj.oclass === TOOL_CLASS
&& (obj.otyp === TOWEL || obj.otyp === MAGIC_MARKER))
return GETOBJ_SUGGEST;
return GETOBJ_DOWNPLAY;
}, GETOBJ_PROMPT);
if (otmp === null) return ECMD_CANCEL;
let writing = "";
if (otmp._hands) {
// C ref: engrave.c:1185 — You("%s the %s with your %s.", everb, eloc, body_part(FINGERTIP))
const everb0 = 'write in';
const eloc0 = is_ice(g.u.ux, g.u.uy) ? 'frost' : 'dust';
await You("%s the %s with your %s.", everb0, eloc0, body_part(FINGERTIP));
etype = DUST;
} else {
const otyp = otmp.otyp;
if (otyp === WAN_FIRE || otyp === SPE_FIREBALL || otyp === SCR_FIRE) {
etype = BURN;
} else if (otyp === WAN_LIGHTNING) {
etype = BURN;
} else if (otyp === WAN_DIGGING || otyp === SPE_DIG) {
etype = ENGRAVE;
} else if (otmp.oclass === WAND_CLASS) {
await pline("You write in the %s with %s.",
is_ice(g.u.ux, g.u.uy) ? "frost" : "dust",
doname(otmp));
etype = DUST;
} else if (otmp.oclass === RING_CLASS || otmp.oclass === GEM_CLASS) {
if (game.objects[otyp].oc_material === 8 /* GEMSTONE */ ||
game.objects[otyp].oc_material === 7 /* MINERAL */) {
etype = ENGRAVE;
} else {
etype = DUST;
}
} else if (otmp.oclass === WEAPON_CLASS || otyp === PICK_AXE || otyp === DWARVISH_MATTOCK) {
if (is_blade(otmp)) {
etype = ENGRAVE;
} else {
etype = DUST;
}
}
}
// C: ynFunction check if already engraved
const ep = engr_at(g.u.ux, g.u.uy);
if (ep && ep.text) {
const res = await ynFunction("Do you want to add to the current engraving?", "ynq", 'y');
if (res === 'q') return ECMD_CANCEL;
if (res === 'n') {
const res2 = await ynFunction("Do you want to wipe it out first?", "ynq", 'y');
if (res2 === 'q') return ECMD_CANCEL;
if (res2 === 'y') {
wipe_engr_at(g.u.ux, g.u.uy, 100, false);
}
}
}
// C ref: engrave.c:1189 — prompt uses everb and eloc
const everb = etype === ENGRAVE ? 'engrave' : etype === BURN ? 'burn into' : 'write in';
const eloc = is_ice(g.u.ux, g.u.uy) ? 'frost' : 'dust';
const buf = await getlin(`What do you want to ${everb} the ${eloc} here?`, "", { logHookedLifecycle: true });
if (!buf || buf === "\x1b") return ECMD_CANCEL;
writing = buf.replace(/\s+/g, ' ').trim(); // C: mungspaces
// C ref: engrave.c:1222-1230 — scramble characters for dust/blood
// writing with finger (DUST) or in blood has 1/25 chance per char
// of being replaced with a random printable character.
if (writing) {
let chars = writing.split('');
for (let i = 0; i < chars.length; i++) {
if (chars[i] === ' ') continue;
if (((etype === DUST || etype === ENGR_BLOOD) && !rn2(25))
|| (Blind() && !rn2(11)) || (Confusion() && !rn2(7))
|| (Stunned() && !rn2(4)) || (Hallucination() && !rn2(2))) {
chars[i] = String.fromCharCode(33 + rnd(94)); // '!' thru '~'
}
}
writing = chars.join('');
}
// occupation setup
g.context.engrave = {
writing,
etype,
otmp: otmp._hands ? null : otmp
};
set_occupation(engrave, "engraving", 0);
// C ref: engrave.c doengrave() sets occupation then returns non-time
// (the occupation callback consumes the action on subsequent moveloop ticks).
return ECMD_OK;
}
// ============================================================
// engrave — occupation callback — C ref: engrave.c:1270-1380
// ============================================================
async function engrave() {
const g = game;
const ctx = g.context.engrave;
if (!ctx) return 0;
const { writing, etype, otmp } = ctx;
const x = g.u.ux;
const y = g.u.uy;
// Simplified: finish in one turn for now.
// C handles multi-turn based on writing length and tool.
make_engr_at(x, y, writing, writing, g.moves, etype);
if (otmp && otmp.oclass === WAND_CLASS) {
// C: check for wand charges/breakage
}
g.context.engrave = null;
return 0;
}
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