index.js

// server przy użyciu node.js, express, socket.io
// https://socket.io/
const express = require('express');
const app = express();
const http = require('http');
const server = http.createServer(app);
const io = require('socket.io')(server);
let clients = [];
let clientsPoints = [];
let startBool = true;
let words = ['kot', 'piaskownica', 'pies', 'youtube', 'facebook', 'rodzynki w czekoladzie', 'joker', 'batman', 'elektronik', 'zdalne nauczanie', 'oczyszczalnia ścieków', 'dzieciństwo', 'siłownia', 'telefon', 'waluta', 'piła', 'western', 'dywan', 'flaming', 'yerba mate', 'metaklefedron', 'małpka', 'knajpa', 'bal', 'koszenie trawy', 'drukarka', 'szyba', 'zderzacz hadronów', 'cyrkulator do bulbulatora', 'wchłaniacz wilgoci wszelakiej', 'śrubokręt', 'trajzega', 'drzewo', 'lampka', 'zając', 'poziomka', 'drink', 'przyczłapnik', 'kalambury', 'policja', 'kareta', 'poker', 'szachy', 'szewczyk', 'programowanie', 'procesor', 'kompresor', 'kanały', 'wymiana'];
let Games = 15;
let currentPainter = 0;
let int = parseInt(Math.random()*words.length)

let gameStatus = {
    painter: currentPainter,
    word: words[int],
    games: Games
};

let ClientsScore = {
    name: clients,
    score: clientsPoints
};

let NewGame = false;


app.get('/', (req, res) => {
  res.sendFile(__dirname + '/index.html');
});

app.use(express.static("."));

io.on('connection', (socket) => {
    // connected
  console.log('a user connected ');
  io.emit('clients',ClientsScore);

  if(!startBool)
    {
        io.emit('gameStart', gameStatus);
    }

  // disconnected
  socket.on('disconnect', () => {
    io.emit('clientOut', socket.nick);
    let index = clients.indexOf(socket.nick);
    clients.splice(index, 1);
    clientsPoints.splice(index, 1);
    console.log('user disconnected', socket.nick);

    // zatrzymanie gry po odejściu graczy
    if(clients.length < 2)
    {
        gameStatus.word = ' ';
        gameStatus.painter = ' ';
        io.emit('gameStop');
        startBool = true;
    }
  });

  // choosen nickname
  socket.on('nickname', (nick)=>{
    io.emit('nickname', nick);
    socket.nick = nick;
    clients.push(nick);
    clientsPoints.push(0);

        // start gry
    if(clients.length > 1 && startBool)
    {
        startBool = false;
        let int = parseInt(Math.random()*words.length)
        gameStatus.word = words[int];
        gameStatus.painter = clients[0];
        io.emit('gameStart', gameStatus);
        console.log(currentPainter, clients.length);
    }
  });

  // chat messaging
    socket.on('chat message', (msg) => {
        msg.name = socket.nick;

        if(msg.text == gameStatus.word)
        {
            // Koniec gry
            if(gameStatus.games < 1)
            {
                let x = 0;
                for(i in clientsPoints)
                {
                    if(clientsPoints > x)
                    {
                        // zrobic bubble sort
                        x = clientsPoints
                    }
                }
                io.emit('gameOver')
            }

            console.log(currentPainter, clients.length);
            //rozpoznawanie gracza który odgadł i przydzieleniu mu punkta
            let index = clients.indexOf(socket.nick);
            clientsPoints[index]++;
            let winner = {
                name: socket.nick,
                score: clientsPoints[index]
            };

            io.emit('RightGuess', msg);
            io.emit('gameStop', winner);
            gameStatus.games--;

            let int = parseInt(Math.random()*words.length)
            gameStatus.word = words[int];

            // wybierania rysownika o 1 dalej w tablicy clients i restartowanie jezeli rysował ostatni z tablicy
            if(currentPainter <= clients.length-1)
            {
                gameStatus.painter = clients[currentPainter];
                currentPainter++;
            }
            else
            {
                currentPainter = 0;
                gameStatus.painter = clients[currentPainter];
            }

            io.emit('gameStart', gameStatus);
        }
        else
        {
            io.emit('chat message',msg);
        }
    });

    socket.on('drawing', function(drawing){
        console.log('drawing');
        socket.broadcast.emit('getPaint', drawing);
    });
});

server.listen(3000, () => {
  console.log('listening on *:3000');
});