80 lines
2.3 KiB
JavaScript
80 lines
2.3 KiB
JavaScript
const WebSocket = require('ws');
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const express = require('express')
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const http = express()
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const config = require("./settings.json");
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const httpPort = config.httpPort
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const appPort = config.appPort
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var board = new Array(config.boardHeight * config.boardWidth * 4);
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board.fill(127);
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const server = new WebSocket.Server({
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port: appPort
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});
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let clients = [];
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const evaulatePixelNumber = (x, y) => {
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let pixelNumber;
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if (y > 0)
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pixelNumber = (y) * config.boardWidth + x
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if (y == 0)
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pixelNumber = x
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return pixelNumber
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}
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server.on('connection', function(client) {
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clients.push(client);
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// When you receive a message, send that message to every socket.
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client.on('message', function(msg) {
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let packet;
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try {
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packet = JSON.parse(msg.toString());
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content = packet.content
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code = packet.code
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} catch (e) {console.log(e)}
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let response = {};
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switch(code) {
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case 0:
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response.code = 0;
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response.content = board;
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console.log(Buffer.from(JSON.stringify(response)))
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client.send(Buffer.from(JSON.stringify(response)));
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break;
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case 1:
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response.code = 1;
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response.content = content;
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console.log(`response content ${response.content}`)
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contentJson = JSON.parse(content);
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let pixelNumber = evaulatePixelNumber(contentJson.x, contentJson.y)
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if (contentJson.x < 0 || contentJson.y < 0) {
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break;
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}
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board[pixelNumber + 0] = contentJson.r
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board[pixelNumber + 1] = contentJson.g
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board[pixelNumber + 2] = contentJson.b
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board[pixelNumber + 3] = 255
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clients.forEach(c => c.send(Buffer.from(JSON.stringify(response))));
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break;
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default:
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console.log("Packet cannot be understood: ", packet);
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client.send("{\"code\":-1}")
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}
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// clients.forEach(s => s.send(msg));
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});
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// When a socket closes, or disconnects, remove it from the array.
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client.on('close', function() {
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clients = clients.filter(s => s !== client);
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});
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});
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http.get('/', (req, res) => {
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res.sendFile('html/index.html', {root: __dirname })
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})
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http.listen(httpPort, () => {
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console.log(`Starting pixelbattle http server on port ${httpPort}`)
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})
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