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var http = require('http') | |
var fs = require('fs') | |
var socket = require('socket.io') | |
var midi = require('midi') | |
var app = http.createServer() | |
var io = socket(app) | |
app.listen(5000) | |
/////////////////////////////////////////////////////////////////////////////// | |
//// SOCKETS & CLIENTS | |
/////////////////////////////////////////////////////////////////////////////// | |
let clients = [] | |
// a new socket client has connected | |
io.on(`connection`, (client) => { | |
clients.push(client) | |
console.log(`-> New socket client connected, total: ${clients.length}`) | |
// listen for disconnects of this client | |
client.on(`disconnect`, () => { | |
clients.splice(clients.indexOf(client), 1) | |
console.log(`-> Socket client disconnected, total: ${clients.length}`) | |
}) | |
}) | |
/////////////////////////////////////////////////////////////////////////////// | |
//// MIDI INPUT | |
/////////////////////////////////////////////////////////////////////////////// | |
// open the first available midi input port | |
let midiInput = new midi.input() | |
midiInput.openPort(0) | |
midiInput.ignoreTypes(true, true, true) | |
// listen for midi messages, forward messages to all clients | |
midiInput.on('message', (deltaTime, message) => { | |
// wipe message [ 176, 1, 127 ] | |
if(message[0] === 176 && message[1] === 1) | |
return clients.forEach((c) => { c.emit(`control`, `wipe`) }) | |
// reload message [ 176, 2, 127 ] | |
if(message[0] === 176 && message[1] === 2) | |
return clients.forEach((c) => { c.emit(`control`, `reload`) }) | |
// note on message [144, ...] | |
if(message[0] === 144) | |
return clients.forEach((c) => { c.emit(`midi`, message) }) | |
}) |
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