added docker compose

This commit is contained in:
leca 2023-08-01 15:30:53 +03:00
parent d227202cb9
commit f9fdd43f9f
5 changed files with 184 additions and 4 deletions

11
Dockerfile Normal file
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FROM node:18-alpine
WORKDIR /usr/src/app
COPY package*.json ./
RUN npm ci --omit=dev
COPY html ./html
COPY views ./views
COPY src ./src
CMD ["node", "src/index.js"]
EXPOSE 7865 8080

13
docker-compose.yml Normal file
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version: '3.3'
services:
pixelbattle:
image: pixelbattle
build: .
ports:
- 8080:8080
- 7865:7865
volumes:
- ./board.png:/usr/src/app/board.png
- ./settings.json:/usr/src/app/settings.json
container_name: pixelbattle

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@ -6,8 +6,8 @@
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"start": "node index.js",
"dev": "nodemon index.js",
"prod": "node index.js"
"dev": "nodemon src/index.js",
"prod": "node src/index.js"
},
"repository": {
"type": "git",

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@ -3,6 +3,6 @@
"httpPort": 8080,
"boardWidth": 1920,
"boardHeight": 1080,
"serverAddress": "localhost",
"saveFile": "board.png"
"serverAddress": "foxarmy.org",
"saveFile": "../board.png"
}

156
src/index.js Normal file
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const WebSocket = require('ws');
const express = require('express');
const http = express();
const path = require('path');
const pug = require('pug');
const Jimp = require('jimp');
const fs = require('fs');
http.use(express.static(path.join(__dirname, '../html')));
http.set('view engine', 'pug');
const config = require("../settings.json");
const httpPort = config.httpPort;
const appPort = config.appPort;
const serverAddress = config.serverAddress;
const saveFile = config.saveFile;
const boardWidth = config.boardWidth;
const boardHeight = config.boardHeight;
var toQuit = false;
var board = new Array(boardWidth * boardHeight * 4);
if (!fs.existsSync(saveFile)) {
console.log("No save file found, creating blank board.");
board.fill(255);
} else {
console.log("Save file found, loading")
let image = Jimp.read(`./${saveFile}`, (err, image) => {
for (let x = 0; x < boardWidth; x ++) {
for (let y = 0; y < boardHeight; y ++) {
pixelNumber = evaulatePixelNumber(x * 4, y * 4);
let pixel = Jimp.intToRGBA(image.getPixelColor(x, y))
board[pixelNumber + 0] = pixel.r
board[pixelNumber + 1] = pixel.g
board[pixelNumber + 2] = pixel.b
board[pixelNumber + 3] = 255;
}
}
console.log("Loaded")
});
}
const server = new WebSocket.Server({
port: appPort
});
let clients = [];
const evaulatePixelNumber = (x, y) => {
let pixelNumber;
if (y > 0)
pixelNumber = (y) * boardWidth + x;
if (y == 0)
pixelNumber = x;
return pixelNumber;
}
server.on('connection', function(client) {
clients.push(client);
// When you receive a message, send that message to every socket.
client.on('message', function(msg) {
let packet, content, code;
try {
packet = JSON.parse(msg.toString());
content = packet.content;
code = packet.code;
} catch (e) {console.log(e)}
let response = {};
switch(code) {
case 0:
response.code = 0;
response.content = board;
client.send(Buffer.from(JSON.stringify(response)));
break;
case 1:
response.code = 1;
response.content = content;
console.log(`response content ${response.content}`);
contentJson = JSON.parse(content);
let pixelNumber = evaulatePixelNumber(contentJson.x * 4, contentJson.y * 4);
if (contentJson.x < 0 || contentJson.y < 0) {
break;
}
board[pixelNumber + 0] = contentJson.r;
board[pixelNumber + 1] = contentJson.g;
board[pixelNumber + 2] = contentJson.b;
board[pixelNumber + 3] = 255;
clients.forEach(c => c.send(Buffer.from(JSON.stringify(response))));
break;
default:
console.log("Packet cannot be understood: ", packet);
client.send("{\"code\":-1}");
}
});
client.on('close', function() {
clients = clients.filter(s => s !== client);
});
});
http.get('/', (req, res) => {
res.render('index.pug', {root: __dirname, server: serverAddress, port:appPort});
})
http.listen(httpPort, "0.0.0.0", () => {
console.log(`Starting pixelbattle http server on port ${httpPort}`);
})
const save = (err, image) => {
if (err) throw err;
console.log()
for (let x = 0; x < boardWidth; x ++) {
for (let y = 0; y < boardHeight; y ++) {
let pixelNumber = evaulatePixelNumber(x * 4 , y * 4);
image.setPixelColor(
Jimp.rgbaToInt(
Number(board[pixelNumber + 0]),
Number(board[pixelNumber + 1]),
Number(board[pixelNumber + 2]),
Number(board[pixelNumber + 3])
),
x, y
);
}
}
image.write(`./${saveFile}`, (err) => {
if (err) throw err;
console.log("Saved")
if (toQuit) process.exit();
});
}
process.stdin.resume();
process.on('SIGUSR1', () => {
//save
console.log(`Caught SIGUSR1, saving ${boardWidth}x${boardHeight} image`)
toQuit = false;
let image = new Jimp(boardWidth, boardHeight, save);
});
process.on('SIGINT', () => {
//save
console.log(`Caught SIGINT, saving ${boardWidth}x${boardHeight} image and quitting`)
toQuit = true;
let image = new Jimp(boardWidth, boardHeight, save);
});