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server.js
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const fastify = require('fastify')();
const path = require('path');
const uuid = require('uuid/v4');
require('./gameState');
const SERVER_PORT = 3000;
const connectedClients = {};
fastify.register(require('fastify-ws'));
fastify.register(require('fastify-static'), {
root: path.join(__dirname, 'public'),
prefix: '/public/',
});
fastify.get('/', (req, res) => {
if (GameState.isGameActive()) {
res.redirect('/spectate');
} else {
res.sendFile('game.html');
}
});
fastify.get('/spectate', (req, res) => {
res.sendFile('spectate.html');
});
fastify.ready(err => {
if (err) throw err;
// Websockets
fastify.ws.on('connection', socket => {
// Register Individual Socket
const socketId = uuid();
connectedClients[socketId] = socket;
// Send connection back
socket.send(JSON.stringify({ msgType: 'CONNECTED', connectionId: socketId }));
socket.on('message', msg => {
if (!msg || !msg.length) return;
const payload = JSON.parse(msg);
switch (payload.msgType) {
case 'ADD_PLAYER':
GameState.createPlayer({
id: payload.connectionId,
name: payload.playerName
});
sendMessageToAll({
msgType: 'UPDATE_PLAYERLIST',
playerList: GameState.getPlayers(),
eventType: 'PLAYER_ADDED'
});
break;
case 'SET_PLAYER_READYSTATE':
GameState.setPlayerById(socketId, payload.player);
sendMessageToAll({
msgType: 'UPDATE_PLAYERLIST',
playerList: GameState.getPlayers(),
eventType: 'PLAYER_READY_TOGGLE'
});
const readyPlayers = GameState.getPlayers().filter(p => p.isReady);
if (readyPlayers.length > 1 && GameState.allPlayersReady()) {
GameState.activateGame();
sendMessageToAll({
msgType: 'GAME_START',
playerList: GameState.getPlayers().filter(p => p.isReady)
});
}
break;
case 'SET_PLAYER_CANVAS_READY':
GameState.setPlayerCanvasReady(socketId);
if (GameState.allCanvasesReady()) {
GameState.resetVolley();
const playerServed = GameState.serveBallToRandomPlayer();
sendMessageToClient(playerServed.id, {
msgType: 'BALL_SERVED',
gameState: {
ballVelocity: GameState.getBallVelocity()
},
player: GameState.getPlayerById(socketId)
});
sendMessageToAll({
msgType: 'BALL_SERVED_SPECTATOR',
ballSpeed: `~${(GameState.getBallVelocity() * 16).toFixed(2)} units per second`,
playerList: GameState.getPlayers().filter(p => p.isCanvasReady),
gameState: { ballVelocity: GameState.getBallVelocity() },
playerServed
})
}
break;
case 'GET_PLAYERLIST':
if (GameState.isGameActive()) {
socket.send(JSON.stringify({
msgType: 'GAME_IN_PROGRESS',
playerList: GameState.getPlayers()
}))
} else {
socket.send(JSON.stringify({
msgType: 'UPDATE_PLAYERLIST',
playerList: GameState.getPlayers()
}));
}
break;
case 'VOLLEY_FAILED': {
let scoringPlayer = 'The Server';
const runningVolley = GameState.getVolleyTally();
if (runningVolley.length) {
scoringPlayer = runningVolley[runningVolley.length - 1].name;
}
const speed = `~${(GameState.getBallVelocity() * 16).toFixed(2)} units per second`;
const updatedPlayer = GameState.removeLifeFromPlayer(socketId);
const playersLeft = GameState.getPlayers().filter(p => p.isReady && p.lives > 0);
let playerMessage;
sendMessageToClient(socketId, {
msgType: 'LIFE_LOST',
lives: updatedPlayer.lives
});
if (updatedPlayer.lives > 0) {
playerMessage = `<strong>${GameState.getPlayerById(socketId).name}</strong> was defeated by <strong>${scoringPlayer}</strong> with a ball clocked at <strong>${speed}</strong>.<br />Next Serve Coming Soon`;
sendMessageToAll({
msgType: 'VOLLEY_FAILED',
playerMessage
}, [socketId]);
sendMessageToClient(socketId, {
msgType: 'VOLLEY_FAILED',
playerMessage: `<strong>${scoringPlayer}</strong> bested you with a ball clocked at <strong>${speed}</strong>.<br />Next Serve Coming Soon`
});
} else {
sendMessageToClient(socketId, {
msgType: 'PLAYER_ELIMINATED',
playerMessage: `You have been <div class="animated heartBeat"><span class="extra">ELIMINATED</span> by ${scoringPlayer}</div>`,
playerList: playersLeft
});
const playersRemain = `<strong>${playersLeft.length}</strong> players remain`;
playerMessage = `<div class="animated heartBeat"><span class="extra">${GameState.getPlayerById(socketId).name} has been ELIMINATED</span></div> by <strong>${scoringPlayer}</strong> with a ball clocked at <strong>${speed}</strong>.<br />${playersRemain}<br/>Next Serve Coming Soon`;
sendMessageToAll({
msgType: 'PLAYER_ELIMINATED',
playerMessage: `<strong>${GameState.getPlayerById(socketId).name}</strong> has been <div class="animated heartBeat"><span class="extra">ELIMINATED</span> by ${scoringPlayer}</div>`,
playerList: playersLeft,
allPlayers: GameState.getPlayers()
}, [socketId]);
}
if (playersLeft.length > 1) {
setTimeout(function () {
GameState.resetVolley();
GameState.resetBallVelocity();
const playerServed = GameState.serveBallToRandomPlayer();
sendMessageToClient(playerServed.id, {
msgType: 'BALL_SERVED',
gameState: {
ballVelocity: GameState.getBallVelocity()
}
});
sendMessageToAll({
msgType: 'BALL_SERVED_SPECTATOR',
ballSpeed: `~${(GameState.getBallVelocity() * 16).toFixed(2)} units per second`,
playerList: GameState.getPlayers().filter(p => p.isCanvasReady),
gameState: { ballVelocity: GameState.getBallVelocity() },
playerServed
})
}, 3500);
} else {
sendMessageToAll({
msgType: 'PLAYER_WIN',
player: playersLeft[0]
});
setTimeout(function() {
GameState.resetEverything();
sendMessageToAll({
msgType: 'GO_TO_LOBBY'
});
setTimeout(function() {
sendMessageToAll({
msgType: 'UPDATE_PLAYERLIST',
playerList: GameState.getPlayers()
});
}, 200);
}, 10000);
}
break;
}
case 'VOLLEY_SUCCESS': {
GameState.increaseBallVelocity(payload.wasSmashed);
GameState.tallyVolley(socketId);
const playerServed = GameState.serveBallToRandomPlayer(socketId);
sendMessageToClient(playerServed.id, {
msgType: 'BALL_SERVED',
gameState: { ballVelocity: GameState.getBallVelocity()}
});
sendMessageToAll({
msgType: 'BALL_SERVED_SPECTATOR',
ballSpeed: `~${(GameState.getBallVelocity() * 16).toFixed(2)} units per second`,
playerList: GameState.getPlayers().filter(p => p.isCanvasReady),
gameState: { ballVelocity: GameState.getBallVelocity() },
playerServed
})
break;
}
case 'PLAYER_SMASHED':
sendMessageToAll({
msgType: 'PLAYER_SMASHED',
message: `${GameState.getPlayerById(socketId).name} SMASHED THE BALL AT ${((GameState.getBallVelocity() * 2) * 16).toFixed(2)} UNITS/S!`
});
break;
case 'GET_SPECTATOR_STATUS':
if (!GameState.isGameActive()) {
sendMessageToClient(socketId, {
msgType: 'SEND_TO_LOBBY',
playerList: GameState.getPlayers()
});
}
break;
default:
// Nada
}
});
socket.on('close', () => {
console.log(`Client ${socketId} Disconnected`);
GameState.removePlayerById(socketId);
delete connectedClients[socketId];
if (!global.GameState.getPlayers().filter(p => p.isReady).length) {
global.GameState.resetGame();
}
if (global.GameState.isGameActive()) {
sendMessageToAll({
msgType: 'GAME_IN_PROGRESS',
playerList: global.GameState.getPlayers()
});
} else {
sendMessageToAll({
msgType: 'UPDATE_PLAYERLIST',
playerList: global.GameState.getPlayers()
});
}
});
});
});
function sendMessageToClient(socketId, msg) {
if (!connectedClients[socketId]) {
console.error(`Error finding client ${socketId}`);
} else {
connectedClients[socketId].send(JSON.stringify(msg));
}
}
function sendMessageToAll(msg, excludeIds) {
Object.keys(connectedClients).forEach(clientId => {
if (!excludeIds || !excludeIds.includes(clientId)) {
connectedClients[clientId].send(JSON.stringify(msg));
}
});
}
// Start Server
fastify.listen(SERVER_PORT, '0.0.0.0', (err, address) => {
if (err) throw err;
console.log(`Webserver listening on ${address}`);
});