pixel/js/phase2-sync.js
2026-06-03 21:29:49 +09:00

779 lines
29 KiB
JavaScript

(function () {
'use strict';
const root = window.PixelIslandModules ||= {};
const SNAPSHOT_FORMAT = 'pixel-island-phase2-snapshot-v1';
const ASSET_BUNDLE_FORMAT = 'pixel-island-phase2-asset-bundle-v2';
const ASSET_BUNDLE_FORMAT_V1 = 'pixel-island-phase2-asset-bundle-v1';
const DB_NAME = 'pixel-island-phase2-cache';
const DB_VERSION = 6;
const ASSET_STORE = 'assets';
const SNAPSHOT_STORE = 'snapshots';
const PIXEL_BLOB_STORE = 'pixelBlobs';
const OUTBOX_STORE = 'outbox';
const COLOR_CODES = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
const PACK6_CHARS = `.${COLOR_CODES}`;
function isAssetBundle(value) {
return Boolean(value && (value.format === ASSET_BUNDLE_FORMAT || value.format === ASSET_BUNDLE_FORMAT_V1) && Array.isArray(value.assets));
}
function bytesToBase64(bytes) {
if (!bytes || !bytes.length) return '';
if (typeof btoa === 'function') {
let binary = '';
const chunk = 8192;
for (let i = 0; i < bytes.length; i += chunk) {
binary += String.fromCharCode(...bytes.slice(i, i + chunk));
}
return btoa(binary);
}
if (typeof Buffer !== 'undefined') return Buffer.from(bytes).toString('base64');
return '';
}
function base64ToBytes(value) {
const text = String(value || '');
if (!text) return [];
if (typeof atob === 'function') {
const binary = atob(text);
const out = new Array(binary.length);
for (let i = 0; i < binary.length; i++) out[i] = binary.charCodeAt(i) & 255;
return out;
}
if (typeof Buffer !== 'undefined') return Array.from(Buffer.from(text, 'base64'));
return [];
}
function pack6Index(ch) {
const index = PACK6_CHARS.indexOf(ch || '.');
return index >= 0 && index < 64 ? index : 0;
}
function unpack6Index(value) {
return PACK6_CHARS[value] || '.';
}
function canPack6(text) {
for (const ch of String(text || '')) if (PACK6_CHARS.indexOf(ch) < 0) return false;
return true;
}
function pack6Text(input) {
const text = String(input || '');
if (!text) return '';
let buffer = 0;
let bitCount = 0;
const bytes = [];
for (const ch of text) {
buffer = (buffer << 6) | pack6Index(ch);
bitCount += 6;
while (bitCount >= 8) {
bitCount -= 8;
bytes.push((buffer >> bitCount) & 255);
buffer &= (1 << bitCount) - 1;
}
}
if (bitCount > 0) bytes.push((buffer << (8 - bitCount)) & 255);
return bytesToBase64(bytes);
}
function unpack6Text(input, length) {
const target = Math.max(0, Number(length) || 0);
if (!target) return '';
const bytes = base64ToBytes(input);
let buffer = 0;
let bitCount = 0;
let out = '';
for (const byte of bytes) {
buffer = (buffer << 8) | (byte & 255);
bitCount += 8;
while (bitCount >= 6 && out.length < target) {
bitCount -= 6;
out += unpack6Index((buffer >> bitCount) & 63);
buffer &= (1 << bitCount) - 1;
}
if (out.length >= target) break;
}
return (out + '.'.repeat(target)).slice(0, target);
}
function packBitMask(mask) {
const bits = Array.from(mask || [], Boolean);
if (!bits.length) return '';
const bytes = [];
let current = 0;
for (let i = 0; i < bits.length; i++) {
current = (current << 1) | (bits[i] ? 1 : 0);
if (i % 8 === 7) {
bytes.push(current & 255);
current = 0;
}
}
const rest = bits.length % 8;
if (rest) bytes.push((current << (8 - rest)) & 255);
return bytesToBase64(bytes);
}
function unpackBitMask(input, length) {
const target = Math.max(0, Number(length) || 0);
const bytes = base64ToBytes(input);
const out = [];
for (const byte of bytes) {
for (let bit = 7; bit >= 0 && out.length < target; bit--) out.push(Boolean((byte >> bit) & 1));
if (out.length >= target) break;
}
while (out.length < target) out.push(false);
return out;
}
function rleEncode(input) {
const text = String(input || '');
if (!text) return '';
let out = '';
let last = text[0];
let count = 1;
for (let i = 1; i < text.length; i++) {
const ch = text[i];
if (ch === last) count++;
else {
out += `${count}:${last}`;
last = ch;
count = 1;
}
}
out += `${count}:${last}`;
return out;
}
function rleDecode(input) {
const text = String(input || '');
if (!text) return '';
let out = '';
let i = 0;
while (i < text.length) {
let digits = '';
while (i < text.length && text[i] >= '0' && text[i] <= '9') digits += text[i++];
if (text[i] !== ':') break;
i++;
const ch = text[i++] || '';
const count = Math.max(0, Number(digits) || 0);
out += ch.repeat(count);
}
return out;
}
function assetWidth(asset) {
const size = Math.max(1, Number(asset?.size) || 16);
return Math.max(1, Number(asset?.width ?? asset?.w ?? size) || size);
}
function assetHeight(asset) {
const size = Math.max(1, Number(asset?.size) || 16);
return Math.max(1, Number(asset?.height ?? asset?.ht ?? size) || size);
}
function normalizeEncodedPlane(value, width, emptyChar = '.', height = width) {
const w = Math.max(1, Number(width) || 1);
const h = Math.max(1, Number(height) || w);
const total = w * h;
const source = typeof value === 'string' ? value : Array.isArray(value) ? value.map((v) => v || emptyChar).join('') : '';
return (source + emptyChar.repeat(total)).slice(0, total);
}
function chooseSmallest(candidates) {
let best = candidates[0];
let bestSize = JSON.stringify(best).length;
for (const candidate of candidates.slice(1)) {
const size = JSON.stringify(candidate).length;
if (size < bestSize) { best = candidate; bestSize = size; }
}
return best;
}
function cropPlane(encoded, width, emptyChar = '.', options = {}, height = width) {
const w0 = Math.max(1, Number(width) || 1);
const h0 = Math.max(1, Number(height) || w0);
const text = normalizeEncodedPlane(encoded, w0, emptyChar, h0);
let minX = w0;
let minY = h0;
let maxX = -1;
let maxY = -1;
for (let y = 0; y < h0; y++) {
for (let x = 0; x < w0; x++) {
if (text[y * w0 + x] !== emptyChar) {
minX = Math.min(minX, x);
minY = Math.min(minY, y);
maxX = Math.max(maxX, x);
maxY = Math.max(maxY, y);
}
}
}
if (maxX < 0) return { b: null, e: 'raw', v: '' };
const w = maxX - minX + 1;
const h = maxY - minY + 1;
let cropped = '';
for (let y = minY; y <= maxY; y++) cropped += text.slice(y * w0 + minX, y * w0 + minX + w);
const candidates = [
{ b: [minX, minY, w, h], e: 'raw', v: cropped },
{ b: [minX, minY, w, h], e: 'rle', v: rleEncode(cropped) }
];
if (options.bitPack && canPack6(cropped)) candidates.push({ b: [minX, minY, w, h], e: 'bp6', v: pack6Text(cropped), n: cropped.length });
return chooseSmallest(candidates);
}
function expandPlane(packed, width, emptyChar = '.', baseEncoded = null, height = width) {
const w0 = Math.max(1, Number(width) || 1);
const h0 = Math.max(1, Number(height) || w0);
const total = w0 * h0;
const out = Array(total).fill(emptyChar);
if (baseEncoded) {
const base = normalizeEncodedPlane(baseEncoded, w0, emptyChar, h0);
for (let i = 0; i < Math.min(out.length, base.length); i++) out[i] = base[i] || emptyChar;
}
if (!packed || !packed.b) return out.join('');
const [x0, y0, w, h] = packed.b.map((v) => Math.max(0, Number(v) || 0));
let value = '';
if (packed.e === 'rle') value = rleDecode(packed.v);
else if (packed.e === 'bp6') value = unpack6Text(packed.v, packed.n || (w * h));
else value = String(packed.v || '');
for (let y = 0; y < h; y++) {
for (let x = 0; x < w; x++) {
const src = y * w + x;
const dx = x0 + x;
const dy = y0 + y;
if (dx >= 0 && dy >= 0 && dx < w0 && dy < h0 && src < value.length) out[dy * w0 + dx] = value[src] || emptyChar;
}
}
return out.join('');
}
function planeForAsset(asset) {
const w = assetWidth(asset);
const h = assetHeight(asset);
return normalizeEncodedPlane(asset?.faces?.right || asset?.pixels || '', w, '.', h);
}
function selectPixelPlanePack(asset, assetMap) {
const w = assetWidth(asset);
const h = assetHeight(asset);
const right = planeForAsset(asset);
return cropPlane(right, w, '.', { bitPack: true }, h);
}
function packAsset(asset, assetMap = null) {
const width = assetWidth(asset);
const height = assetHeight(asset);
const size = Math.max(width, height, Math.max(1, Number(asset.size) || 16));
const category = asset.category === 'dynamic' ? 'dynamic' : 'static';
const depth = asset.meta?.depthPixels ? normalizeEncodedPlane(asset.meta.depthPixels, width, '.', height) : '';
const lights = Array.isArray(asset.meta?.lightPixels)
? asset.meta.lightPixels.map((p) => [Number(p.x) || 0, Number(p.y) || 0, p.c || asset.meta?.lightColor || '']).filter((p) => p[2])
: [];
const particles = Array.isArray(asset.meta?.particlePixels)
? asset.meta.particlePixels.map((p) => [Number(p.x) || 0, Number(p.y) || 0, p.c || '', p.dir || 'up']).filter((p) => p[2])
: [];
const meta = {};
if (depth && /[1\-]/.test(depth)) meta.d = cropPlane(depth, width, '.', {}, height);
if (lights.length) meta.l = lights;
if (particles.length) meta.pt = particles;
if (asset.meta?.lightColor) meta.lc = asset.meta.lightColor;
if (asset.meta?.door) meta.dr = [Number(asset.meta.door.x) || 0, Number(asset.meta.door.y) || 0];
if (asset.meta?.particleConfig?.enabled && !particles.length) {
const pc = asset.meta.particleConfig;
meta.pc = [pc.c || '', pc.dir || 'up', null];
}
return {
id: asset.id,
h: asset.contentHash || asset.hash || null,
bi: asset.blobId || asset.bi || null,
n: asset.name || 'Untitled',
c: category,
t: asset.subtype || (category === 'dynamic' ? 'human' : 'other'),
s: size,
w: width !== size ? width : undefined,
ht: height !== size ? height : undefined,
p: selectPixelPlanePack(asset, assetMap),
f: category === 'dynamic' ? { l: 'mirror' } : null,
pa: asset.parentAssetId || null,
oa: asset.originalAssetId || null,
ca: asset.createdAt || Date.now(),
ua: asset.updatedAt || asset.createdAt || Date.now(),
au: asset.author || 'Local Artist',
ow: asset.ownerAccountId || null,
v: Number(asset.version) || 1,
m: Object.keys(meta).length ? meta : null
};
}
function packAssetMetadata(asset, assetMap = null) {
const packed = packAsset(asset, assetMap);
delete packed.p;
return packed;
}
function packPixelBlob(input) {
if (!input) return null;
const width = assetWidth(input);
const height = assetHeight(input);
const payload = normalizeEncodedPlane(input.payload || input.faces?.right || input.pixels || '', width, '.', height);
const id = input.blobId || input.bi || ((input.codec || input.payload) ? input.id : null);
if (!id) return null;
return {
id,
co: input.codec || 'palette-index-v1',
w: width,
ht: height,
p: cropPlane(payload, width, '.', { bitPack: true }, height),
ca: input.createdAt || Date.now(),
ua: input.updatedAt || input.createdAt || Date.now()
};
}
function unpackPixelBlob(packed) {
if (!packed || !packed.id) return null;
const width = Math.max(1, Number(packed.w || packed.width) || 16);
const height = Math.max(1, Number(packed.ht || packed.height || width) || width);
return {
id: packed.id,
codec: packed.co || packed.codec || 'palette-index-v1',
width,
height,
payload: expandPlane(packed.p, width, '.', null, height),
createdAt: packed.ca || null,
updatedAt: packed.ua || packed.ca || null
};
}
function unpackAsset(packed, assetById = null, pixelBlobById = null) {
if (!packed || !packed.id) return null;
const size = Math.max(1, Number(packed.s || packed.size) || 16);
const width = Math.max(1, Number(packed.w || packed.width || size) || size);
const height = Math.max(1, Number(packed.ht || packed.height || size) || size);
const category = packed.c === 'dynamic' || packed.category === 'dynamic' ? 'dynamic' : 'static';
const blobId = packed.bi || packed.blobId || null;
const pixelBlob = blobId && pixelBlobById
? (typeof pixelBlobById.get === 'function' ? pixelBlobById.get(blobId) : pixelBlobById[blobId])
: null;
const blobPayload = typeof pixelBlob?.payload === 'string' ? pixelBlob.payload : null;
const pixels = blobPayload ? normalizeEncodedPlane(blobPayload, width, '.', height) : expandPlane(packed.p, width, '.', null, height);
if (pixels == null) return null;
const metaPacked = packed.m || {};
const lightPixels = Array.isArray(metaPacked.l)
? metaPacked.l.map((p) => ({ x: Number(p[0]) || 0, y: Number(p[1]) || 0, c: p[2] || metaPacked.lc || 'a' }))
: [];
const particlePixels = Array.isArray(metaPacked.pt)
? metaPacked.pt.map((p) => ({ x: Number(p[0]) || 0, y: Number(p[1]) || 0, c: p[2] || 'a', dir: p[3] || 'up' }))
: [];
const particleConfig = Array.isArray(metaPacked.pc)
? { enabled: true, c: metaPacked.pc[0] || 'a', dir: metaPacked.pc[1] || 'up', range: Array.isArray(metaPacked.pc[2]) ? { x: metaPacked.pc[2][0] || 0, y: metaPacked.pc[2][1] || 0, w: metaPacked.pc[2][2] || 0, h: metaPacked.pc[2][3] || 0 } : null }
: null;
const meta = {
hasLight: lightPixels.length > 0,
lightPixels,
lightColor: lightPixels.length > 0 ? (metaPacked.lc || lightPixels[0]?.c || null) : null,
hasParticles: Boolean(particleConfig) || particlePixels.length > 0,
particlePixels,
particleConfig,
depthPixels: metaPacked.d ? expandPlane(metaPacked.d, width, '.', null, height) : null,
door: Array.isArray(metaPacked.dr) ? { x: Number(metaPacked.dr[0]) || 0, y: Number(metaPacked.dr[1]) || 0 } : null
};
return {
id: packed.id,
name: packed.n || 'Untitled',
category,
subtype: packed.t || (category === 'dynamic' ? 'human' : 'other'),
size,
width,
height,
blobId,
pixels,
faces: category === 'dynamic' ? { right: pixels, left: 'mirror' } : null,
parentAssetId: packed.pa || null,
originalAssetId: packed.oa || null,
createdAt: packed.ca || Date.now(),
updatedAt: packed.ua || packed.ca || Date.now(),
author: packed.au || 'Local Artist',
ownerAccountId: packed.ow || packed.ownerAccountId || '',
version: Number(packed.v || packed.version) || 1,
meta,
contentHash: packed.h || null
};
}
function unpackAssets(rows, pixelBlobById = null) {
return (Array.isArray(rows) ? rows : []).map((row) => unpackAsset(row, null, pixelBlobById)).filter(Boolean);
}
function packPlacement(item) {
const meta = {};
if (item.publishedAt) meta.pu = item.publishedAt;
if (item.status && item.status !== 'active') meta.st = item.status;
if (item.ownerAccountId) meta.ow = item.ownerAccountId;
return [item.id, item.assetId, Number(item.x) || 0, Number(item.y) || 0, item.placedAt || Date.now(), Number(item.version) || 1, Object.keys(meta).length ? meta : null];
}
function unpackPlacement(row) {
if (!Array.isArray(row)) return row;
const meta = row[6] || {};
return { id: row[0], assetId: row[1], x: row[2], y: row[3], placedAt: row[4], version: row[5] || 1, publishedAt: meta.pu || row[4], status: meta.st || 'active', ownerAccountId: meta.ow || '' };
}
function packDynamic(item) {
const meta = {};
if (item.publishedAt) meta.pu = item.publishedAt;
if (item.status && item.status !== 'active') meta.st = item.status;
if (item.ownerAccountId) meta.ow = item.ownerAccountId;
return [item.id, item.assetId, Number(item.homeX) || 0, Number(item.homeY) || 0, item.createdAt || Date.now(), Number(item.version) || 1, Object.keys(meta).length ? meta : null];
}
function unpackDynamic(row) {
if (!Array.isArray(row)) return row;
const meta = row[6] || {};
return { id: row[0], assetId: row[1], homeX: row[2], homeY: row[3], createdAt: row[4], version: row[5] || 1, publishedAt: meta.pu || row[4], status: meta.st || 'active', ownerAccountId: meta.ow || '' };
}
function assetMapFor(assets) {
return new Map((assets || []).map((asset) => [asset.id, asset]));
}
function assetManifest(state) {
return (state.assets || []).map((asset) => ({ id: asset.id, h: asset.contentHash || null, bi: asset.blobId || null, s: asset.size, w: asset.width || null, ht: asset.height || null, c: asset.category, t: asset.subtype, pa: asset.parentAssetId || null, oa: asset.originalAssetId || null }));
}
function makeSnapshot(state, worldId = 'local-main') {
return {
schema: 4,
format: SNAPSHOT_FORMAT,
worldId,
createdAt: Date.now(),
manifest: assetManifest(state),
placed: (state.placed || []).map(packPlacement),
dynamicSummons: (state.dynamicSummons || []).map(packDynamic),
hiddenObjects: state.hiddenObjects || {}
};
}
function makeAssetBundle(state, assetIds) {
const wanted = new Set(assetIds || []);
const assets = (state.assets || []).filter((asset) => !wanted.size || wanted.has(asset.id));
const map = assetMapFor(assets);
return { schema: 4, format: ASSET_BUNDLE_FORMAT, createdAt: Date.now(), assets: assets.map((asset) => packAsset(asset, map)) };
}
function unpackAssetBundle(bundle) {
if (!isAssetBundle(bundle)) return [];
return unpackAssets(bundle.assets);
}
function findMissingAssetIds(snapshot, knownAssetIds) {
const known = new Set(knownAssetIds || []);
return (snapshot?.manifest || []).map((asset) => asset.id).filter((id) => id && !known.has(id));
}
function makeEvent(type, payload = {}) {
return { id: `ev_${Date.now().toString(36)}_${Math.random().toString(36).slice(2, 8)}`, type, at: Date.now(), ...payload };
}
function createAssetUpsertEvent(asset) {
return makeEvent('asset.upsert', { asset: packAsset(asset) });
}
function createAssetDeleteEvent(assetId) {
return makeEvent('asset.delete', { assetId });
}
function createObjectUpsertEvent(kind, object) {
return makeEvent('object.upsert', { kind, object: kind === 'dynamic' ? packDynamic(object) : packPlacement(object) });
}
function createObjectDeleteEvent(kind, objectId) {
return makeEvent('object.delete', { kind, objectId });
}
function deleteAssetOnly(state, assetId) {
if (!state || !assetId) return state;
const removedObjectIds = new Set();
for (const item of state.placed || []) if (item.assetId === assetId) removedObjectIds.add(item.id);
for (const item of state.dynamicSummons || []) if (item.assetId === assetId) removedObjectIds.add(item.id);
state.assets = (state.assets || []).filter((asset) => asset.id !== assetId);
state.placed = (state.placed || []).filter((item) => item.assetId !== assetId);
state.dynamicSummons = (state.dynamicSummons || []).filter((item) => item.assetId !== assetId);
delete state.assetVotes?.[assetId];
delete state.hiddenAssets?.[assetId];
for (const id of removedObjectIds) delete state.objectVotes?.[id], delete state.hiddenObjects?.[id];
state.moderationReports = (state.moderationReports || []).filter((report) => !removedObjectIds.has(report.objectId));
return state;
}
function applyEvent(state, event) {
if (!state || !event) return state;
if (event.type === 'asset.upsert' && event.asset) {
const byId = assetMapFor(state.assets || []);
const asset = unpackAsset(event.asset, byId);
if (!asset) return state;
const index = (state.assets || []).findIndex((a) => a.id === asset.id);
if (index >= 0) state.assets[index] = asset;
else (state.assets ||= []).unshift(asset);
}
if (event.type === 'asset.delete' && event.assetId) {
deleteAssetOnly(state, event.assetId);
}
if (event.type === 'object.upsert') {
if (event.kind === 'dynamic') {
const object = unpackDynamic(event.object);
const list = state.dynamicSummons ||= [];
const index = list.findIndex((item) => item.id === object.id);
if (index >= 0) list[index] = object;
else list.push(object);
} else {
const object = unpackPlacement(event.object);
const list = state.placed ||= [];
const index = list.findIndex((item) => item.id === object.id);
if (index >= 0) list[index] = object;
else list.push(object);
}
}
if (event.type === 'object.delete') {
const key = event.kind === 'dynamic' ? 'dynamicSummons' : 'placed';
state[key] = (state[key] || []).filter((item) => item.id !== event.objectId);
}
return state;
}
function openDb() {
if (!('indexedDB' in window)) return Promise.reject(new Error('IndexedDB is not available.'));
return new Promise((resolve, reject) => {
const request = indexedDB.open(DB_NAME, DB_VERSION);
request.onupgradeneeded = () => {
const db = request.result;
const tx = request.transaction;
if (!db.objectStoreNames.contains(ASSET_STORE)) db.createObjectStore(ASSET_STORE, { keyPath: 'id' });
if (!db.objectStoreNames.contains(SNAPSHOT_STORE)) db.createObjectStore(SNAPSHOT_STORE, { keyPath: 'worldId' });
if (!db.objectStoreNames.contains(PIXEL_BLOB_STORE)) db.createObjectStore(PIXEL_BLOB_STORE, { keyPath: 'id' });
if (!db.objectStoreNames.contains(OUTBOX_STORE)) db.createObjectStore(OUTBOX_STORE, { keyPath: 'id' });
if (request.oldVersion && request.oldVersion < DB_VERSION) {
if (db.objectStoreNames.contains(ASSET_STORE)) tx.objectStore(ASSET_STORE).clear();
if (db.objectStoreNames.contains(SNAPSHOT_STORE)) tx.objectStore(SNAPSHOT_STORE).clear();
if (db.objectStoreNames.contains(PIXEL_BLOB_STORE)) tx.objectStore(PIXEL_BLOB_STORE).clear();
if (db.objectStoreNames.contains(OUTBOX_STORE)) tx.objectStore(OUTBOX_STORE).clear();
}
};
request.onsuccess = () => resolve(request.result);
request.onerror = () => reject(request.error);
});
}
async function cacheAssets(assets) {
if (!Array.isArray(assets) || !assets.length) return;
const db = await openDb();
await new Promise((resolve, reject) => {
const tx = db.transaction(ASSET_STORE, 'readwrite');
const assetStore = tx.objectStore(ASSET_STORE);
const map = assetMapFor(assets);
for (const asset of assets) assetStore.put(packAssetMetadata(asset, map));
tx.oncomplete = () => resolve();
tx.onerror = () => reject(tx.error);
});
db.close();
}
async function cachePixelBlobs(pixelBlobs) {
if (!Array.isArray(pixelBlobs) || !pixelBlobs.length) return;
const db = await openDb();
await new Promise((resolve, reject) => {
const tx = db.transaction(PIXEL_BLOB_STORE, 'readwrite');
const store = tx.objectStore(PIXEL_BLOB_STORE);
for (const pixelBlob of pixelBlobs) {
const packed = packPixelBlob(pixelBlob);
if (packed) store.put(packed);
}
tx.oncomplete = () => resolve();
tx.onerror = () => reject(tx.error);
});
db.close();
}
async function readCachedPixelBlobs(blobIds) {
const ids = Array.from(blobIds || []).filter(Boolean);
if (!ids.length) return [];
const db = await openDb();
const rows = await Promise.all(ids.map((id) => new Promise((resolve) => {
const request = db.transaction(PIXEL_BLOB_STORE, 'readonly').objectStore(PIXEL_BLOB_STORE).get(id);
request.onsuccess = () => resolve(request.result || null);
request.onerror = () => resolve(null);
})));
db.close();
return rows.map(unpackPixelBlob).filter(Boolean);
}
async function readCachedAssets(assetIds) {
const ids = Array.from(assetIds || []);
if (!ids.length) return [];
const db = await openDb();
const assetRows = await Promise.all(ids.map((id) => new Promise((resolve) => {
const request = db.transaction(ASSET_STORE, 'readonly').objectStore(ASSET_STORE).get(id);
request.onsuccess = () => resolve(request.result || null);
request.onerror = () => resolve(null);
})));
const blobIds = assetRows.map((row) => row?.bi || row?.blobId).filter(Boolean);
const blobRows = await Promise.all(blobIds.map((id) => new Promise((resolve) => {
const request = db.transaction(PIXEL_BLOB_STORE, 'readonly').objectStore(PIXEL_BLOB_STORE).get(id);
request.onsuccess = () => resolve(request.result || null);
request.onerror = () => resolve(null);
})));
db.close();
const blobById = new Map(blobRows.map(unpackPixelBlob).filter(Boolean).map((blob) => [blob.id, blob]));
return unpackAssets(assetRows.filter(Boolean), blobById);
}
async function cacheSnapshot(snapshot) {
if (!snapshot?.worldId) return;
const db = await openDb();
await new Promise((resolve, reject) => {
const tx = db.transaction(SNAPSHOT_STORE, 'readwrite');
tx.objectStore(SNAPSHOT_STORE).put(snapshot);
tx.oncomplete = () => resolve();
tx.onerror = () => reject(tx.error);
});
db.close();
}
async function readCachedSnapshot(worldId = 'local-main') {
const db = await openDb();
const row = await new Promise((resolve) => {
const request = db.transaction(SNAPSHOT_STORE, 'readonly').objectStore(SNAPSHOT_STORE).get(worldId);
request.onsuccess = () => resolve(request.result || null);
request.onerror = () => resolve(null);
});
db.close();
if (!row) return null;
return {
...row,
placed: Array.isArray(row.placed) ? row.placed.map(unpackPlacement) : [],
dynamicSummons: Array.isArray(row.dynamicSummons) ? row.dynamicSummons.map(unpackDynamic) : [],
hiddenObjects: row.hiddenObjects || {}
};
}
async function deleteCachedAssets(assetIds, blobIds = []) {
const assets = Array.from(assetIds || []).filter(Boolean);
const blobs = Array.from(blobIds || []).filter(Boolean);
if (!assets.length && !blobs.length) return;
const db = await openDb();
await new Promise((resolve, reject) => {
const tx = db.transaction([ASSET_STORE, PIXEL_BLOB_STORE], 'readwrite');
const assetStore = tx.objectStore(ASSET_STORE);
const blobStore = tx.objectStore(PIXEL_BLOB_STORE);
for (const id of assets) assetStore.delete(id);
for (const id of blobs) blobStore.delete(id);
tx.oncomplete = () => resolve();
tx.onerror = () => reject(tx.error);
});
db.close();
}
async function cacheOutboxCommand(command) {
if (!command?.id) return;
const db = await openDb();
await new Promise((resolve, reject) => {
const tx = db.transaction(OUTBOX_STORE, 'readwrite');
tx.objectStore(OUTBOX_STORE).put({ ...command, queuedAt: command.queuedAt || Date.now() });
tx.oncomplete = () => resolve();
tx.onerror = () => reject(tx.error);
});
db.close();
}
async function readOutboxCommands(limit = 300) {
const db = await openDb();
const rows = await new Promise((resolve) => {
const request = db.transaction(OUTBOX_STORE, 'readonly').objectStore(OUTBOX_STORE).getAll();
request.onsuccess = () => resolve(Array.isArray(request.result) ? request.result : []);
request.onerror = () => resolve([]);
});
db.close();
return rows
.sort((a, b) => Number(a.createdAt || a.queuedAt || 0) - Number(b.createdAt || b.queuedAt || 0))
.slice(-Math.max(1, Number(limit) || 300));
}
async function deleteOutboxCommands(commandIds) {
const ids = Array.from(commandIds || []).filter(Boolean);
if (!ids.length) return;
const db = await openDb();
await new Promise((resolve, reject) => {
const tx = db.transaction(OUTBOX_STORE, 'readwrite');
const store = tx.objectStore(OUTBOX_STORE);
for (const id of ids) store.delete(id);
tx.oncomplete = () => resolve();
tx.onerror = () => reject(tx.error);
});
db.close();
}
async function clearCache() {
const db = await openDb();
await new Promise((resolve, reject) => {
const tx = db.transaction([ASSET_STORE, PIXEL_BLOB_STORE, SNAPSHOT_STORE, OUTBOX_STORE], 'readwrite');
tx.objectStore(ASSET_STORE).clear();
tx.objectStore(PIXEL_BLOB_STORE).clear();
tx.objectStore(SNAPSHOT_STORE).clear();
tx.objectStore(OUTBOX_STORE).clear();
tx.oncomplete = () => resolve();
tx.onerror = () => reject(tx.error);
});
db.close();
}
root.Phase2Sync = {
SNAPSHOT_FORMAT,
ASSET_BUNDLE_FORMAT,
ASSET_BUNDLE_FORMAT_V1,
isAssetBundle,
rleEncode,
rleDecode,
pack6Text,
unpack6Text,
packBitMask,
unpackBitMask,
cropPlane,
expandPlane,
packAsset,
packAssetMetadata,
packPixelBlob,
unpackPixelBlob,
unpackAsset,
unpackAssets,
packPlacement,
unpackPlacement,
packDynamic,
unpackDynamic,
assetManifest,
makeSnapshot,
makeAssetBundle,
unpackAssetBundle,
findMissingAssetIds,
makeEvent,
createAssetUpsertEvent,
createAssetDeleteEvent,
createObjectUpsertEvent,
createObjectDeleteEvent,
deleteAssetOnly,
applyEvent,
cacheAssets,
cachePixelBlobs,
readCachedPixelBlobs,
readCachedAssets,
cacheSnapshot,
readCachedSnapshot,
deleteCachedAssets,
cacheOutboxCommand,
readOutboxCommands,
deleteOutboxCommands,
clearCache
};
})();