125 lines
3.3 KiB
JavaScript
125 lines
3.3 KiB
JavaScript
import WebSocketServer from './WebSocketServer.js'
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import express from 'express'
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import { createPuzzle } from './puzzle.js'
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import config from './config.js'
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import { uniqId, choice } from './util.js'
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// desired number of tiles
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// actual calculated number can be higher
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const TARGET_TILES = 500
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const IMAGES = [
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'/example-images/ima_86ec3fa.jpeg',
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'/example-images/bleu.png',
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'/example-images/saechsische_schweiz.jpg',
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'/example-images/132-2048x1365.jpg',
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]
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const games = {}
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const port = config.http.port
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const hostname = config.http.hostname
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const app = express()
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const statics = express.static('./../game/')
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app.use('/g/:gid', (req, res, next) => {
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res.send(`
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<html><head><style>
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html,body {margin: 0; overflow: hidden;}
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html, body, #main { background: #222 }
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canvas {cursor: none;}
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</style></head><body>
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<script>window.GAME_ID = '${req.params.gid}'</script>
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<script>window.WS_ADDRESS = '${config.ws.connectstring}'</script>
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<script src="/index.js" type="module"></script>
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</body>
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</html>
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`)
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})
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app.use('/', (req, res, next) => {
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if (req.path === '/') {
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res.send(`
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<html><head><style>
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html,body {margin: 0; overflow: hidden;}
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html, body, #main { background: #222 }
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</style></head><body>
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<a href="/g/${uniqId()}">New game :P</a>
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${Object.keys(games).map(k => {
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return `<a href="/g/${k}">Game ${k}</a>`
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})}
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</body>
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</html>
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`)
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} else {
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statics(req, res, next)
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}
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})
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const wss = new WebSocketServer(config.ws);
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const notify = (data, sockets) => {
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// TODO: throttle
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for (let socket of sockets) {
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wss.notifyOne(data, socket)
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}
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console.log('notify', data)
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}
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wss.on('message', async ({socket, data}) => {
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try {
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const proto = socket.protocol.split('|')
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const uid = proto[0]
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const gid = proto[1]
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const parsed = JSON.parse(data)
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switch (parsed.type) {
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case 'init': {
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// a new player (or previous player) joined
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games[gid] = games[gid] || {
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puzzle: await createPuzzle(TARGET_TILES, choice(IMAGES)),
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players: {},
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sockets: []
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}
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if (!games[gid].sockets.includes(socket)) {
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games[gid].sockets.push(socket)
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}
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games[gid].players[uid] = {id: uid, x: 0, y: 0, down: false}
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wss.notifyOne({
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type: 'init',
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game: {
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puzzle: games[gid].puzzle,
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players: games[gid].players,
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},
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}, socket)
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} break;
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// somebody has changed the state
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case 'state': {
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for (let change of parsed.state.changes) {
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switch (change.type) {
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case 'change_player': {
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games[gid].players[uid] = change.player
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} break;
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case 'change_tile': {
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games[gid].puzzle.tiles[change.tile.idx] = change.tile
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} break;
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case 'change_data': {
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games[gid].puzzle.data = change.data
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} break;
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}
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}
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notify({
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type:'state_changed',
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origin: uid,
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changes: parsed.state.changes,
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}, games[gid].sockets)
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} break;
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}
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} catch (e) {
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console.error(e)
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}
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})
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app.listen(port, hostname, () => console.log(`server running on http://${hostname}:${port}`))
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wss.listen()
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