HamedandClaude Opus 5.5
9b289f76b0
- The ground is Esri World Imagery: ~1 m/pixel tiles around the city zone, the factory and 300 m either side of the drive between them, coarser tiles for the whole region. Tiles are hosted with the game (public/imagery, scripts/fetch-imagery.mjs), stream in near the camera, are cached by the service worker as visited, and replace the drawn roads and land areas - ~141,500 Microsoft building footprints (ODbL) join OSM's ~4,000 in a compact delta-encoded file (public/data/buildings.bin, built by scripts/build-buildings.mjs). Heights are estimated from footprint area and land use, with industrial halls outside the ring road. Buildings are built in 500 m blocks as the camera approaches - Caddy compresses the buildings file and caches map data for a week; the build targets ES2022 for top-level await - Tests for decoding, factory clearance, machine reachability and tile placement Imagery attribution: Esri, Maxar, Earthstar Geographics, and the GIS User Community. Commercial use requires a suitable Esri licence. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
69 lines
3.2 KiB
JavaScript
69 lines
3.2 KiB
JavaScript
import {defineConfig} from 'vite';
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import {readdirSync, statSync} from 'node:fs';
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import {join, relative} from 'node:path';
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import {createHash} from 'node:crypto';
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const listFiles = dir => readdirSync(dir).flatMap(name => {
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const path = join(dir, name);
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return statSync(path).isDirectory() ? listFiles(path) : [path];
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});
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// Emits sw.js listing every built file, so the installed game works offline. The cache name is a
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// hash of that list: a new build gets a new cache and the page offers to reload into it.
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// Satellite tiles (16 MB) are not precached; they are kept as the player passes them.
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function offlineServiceWorker() {
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return {
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name: 'offline-service-worker',
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apply: 'build',
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generateBundle(_, bundle) {
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const files = [...Object.keys(bundle), ...listFiles('public').map(f => relative('public', f).replaceAll('\\', '/'))]
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.filter(f => f !== 'sw.js' && !f.endsWith('.map') && !(f.startsWith('imagery/') && f.endsWith('.jpg')));
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const version = createHash('sha1').update(files.join('\n')).digest('hex').slice(0, 12);
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this.emitFile({
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type: 'asset', fileName: 'sw.js', source: `// Generated by vite.config.js — do not edit.
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const CACHE = 'robot-market-${version}';
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const TILES = 'robot-market-imagery';
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const FILES = ${JSON.stringify(['./', ...files.map(f => `./${f}`)])};
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self.addEventListener('install', event => event.waitUntil(caches.open(CACHE).then(cache => cache.addAll(FILES))));
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self.addEventListener('activate', event => event.waitUntil(caches.keys().then(keys =>
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Promise.all(keys.filter(k => k.startsWith('robot-market-') && k !== CACHE && k !== TILES).map(k => caches.delete(k)))).then(() => self.clients.claim())));
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self.addEventListener('message', event => event.data === 'skip-waiting' && self.skipWaiting());
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self.addEventListener('fetch', event => {
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const request = event.request;
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if (request.method !== 'GET' || new URL(request.url).origin !== location.origin) return;
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// Pages: network first so updates arrive, cached page when offline. Everything else: cache first.
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if (request.mode === 'navigate') {
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event.respondWith(fetch(request).catch(() => caches.match('./')));
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return;
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}
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// Satellite tiles: cache first, and keep each one fetched so visited areas work offline.
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if (new URL(request.url).pathname.includes('/imagery/')) {
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event.respondWith(caches.open(TILES).then(cache => cache.match(request).then(hit => hit ?? fetch(request).then(response => {
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if (response.ok) cache.put(request, response.clone());
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return response;
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}))));
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return;
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}
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event.respondWith(caches.match(request, {ignoreSearch: true}).then(hit => hit ?? fetch(request)));
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});
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`
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});
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}
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};
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}
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export default defineConfig({
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// Relative assets also load under a GitHub Pages repository path.
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base: './',
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plugins: [offlineServiceWorker()],
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// Top-level await loads the building and imagery files before the world is built.
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build: {target: 'es2022'},
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server: {
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host: true,
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allowedHosts: [
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'robotmarkets.ir',
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'www.robotmarkets.ir',
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],
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},
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});
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