wavey-wind/server.js

347 lines
7.8 KiB
JavaScript

// Which port do I send OSC messages to? (SupperCollider, ...)
const OSCPORT = 57120;
// Which port do I listen to (for visuals, calibration)
const PORT = 6676
// Do we have a problem, shall we debug?
const DEBUG = {
osc: true,
udp: false,
midi: true
}
// MIDI out
const MIDI = true
// Serial baud rate
const BAUDRATE = 115200
const express = require('express')
const http = require('http')
const WebSocket = require('ws')
const osc = require('osc')
const readline = require('readline')
const fs = require('fs')
const midi = require('midi')
// Seznam povezanih tty naprav
const tty = process.argv.splice(2)
let eulerRotation = [0, 0, 0]
const include_files = [
'/anim.js',
'/control.js',
'/osctl.js',
'/test.js',
'/node_modules/three/build/three.min.js',
'/node_modules/nouislider/distribute/nouislider.min.js',
'/node_modules/nouislider/distribute/nouislider.min.css',
'/node_modules/osc/dist/osc-browser.js'
];
function isFloat(value) {
if (
typeof value === 'number' &&
!Number.isNaN(value) &&
!Number.isInteger(value)
) {
return true;
}
return false;
}
const app = express();
const server = http.Server(app);
// Odprti serijski OSC linki
let serijskePovezave = {}
let mo = null
let mi = null
if (MIDI) {
// Midi port
mo = new midi.Output()
mi = new midi.Input()
//mo.getPortCount()
//mo.getPortName(0)
//mo.openPort(0)
mo.openVirtualPort("kegel")
mi.openVirtualPort("ww-midi-in")
}
function openSerial(ttyAddr) {
console.log('opening ', ttyAddr, BAUDRATE)
serijskePovezave[ttyAddr] = new osc.SerialPort({
devicePath: ttyAddr,
bitrate: BAUDRATE,
autoOpen: true,
useSLIP: true
})
const scon = serijskePovezave[ttyAddr]
scon.on('open', e => {
console.log(`serial connection ${ttyAddr} opened`)
//console.log(scon)
})
scon.on('error', e => {
console.error(`tty ${ttyAddr} error`, e)
//scon.close()
})
scon.on('close', e => {
console.warn(`serial connection ${ttyAddr} closed, restarting in 1 second`)
setTimeout(() => { openSerial(ttyAddr) }, 1000)
})
// Arduino OSC gre v web
scon.on('message', msg => {
const index = Object.keys(serijskePovezave).indexOf(ttyAddr)
const prepend = `/ww/${index}`
// Debug incoming serial osc
if (DEBUG.osc) {
console.log('osc SERIAL msg', msg.address, msg.args.map((a) => isFloat(a) ? a.toFixed(3) : a), ttyAddr, prepend)
}
sendAll(msg, null, null, osclients, prepend)
})
scon.open()
if (scon._closeCode) {
scon = null
console.log('restarting serial connection ', ttyAddr)
setTimeout(openSerial, 1000)
}
}
if (tty.length > 0) {
tty.forEach((ttyAddr) => {
openSerial(ttyAddr);
});
}
app.get('/', (req, res) => {
res.sendFile(__dirname + '/index.html');
});
app.get('/ctl', (req, res) => {
res.sendFile(__dirname + '/control.html');
});
app.get('/test', (req, res) => {
res.sendFile(__dirname + '/test.html');
});
// Hydra inclusion
app.get('/hydra', function(req, res) {
res.sendFile(__dirname + '/hydra-osc-main/index.html');
});
app.get('/lib/osc.min.js', function(req, res) {
res.sendFile(__dirname + '/hydra-osc-main/lib/osc.min.js');
});
let settings = {};
app.get('/settings', function(req, res) {
res.send(settings);
});
include_files.map(function(file) {
app.get(file, function(req, res){
res.sendFile(__dirname + file);
});
});
server.listen(PORT, () => console.log('listening on *:' + PORT))
// Websocket init
const wss = new WebSocket.Server({ server })
// Relay multicast to websockets
// @TODO still sends to supercollider? Do we need two sockets?
/*
var dgram = require('dgram');
var sss = dgram.createSocket('udp4');
sss.on('listening', () => {
sss.addMembership('224.0.1.9');
})
sss.bind(6696, '224.0.1.9');
*/
const scudp = new osc.UDPPort({
remotePort: OSCPORT
//socket: sss
})
scudp.on('open', () => {
console.log("UDP to OSC open")
})
scudp.on('message', (msg) => {
if (DEBUG.udp) {
console.log('got UDP msg', msg);
}
osclients.forEach( client => {
if (client) {
//console.log("sending", msg, info)
client.send(msg)
}
})
})
scudp.on('error', (e) => {
console.log('UDP OSC error!', e)
})
scudp.open()
if (MIDI) {
mi.on('message', (deltaTime, message) => {
// The message is an array of numbers corresponding to the MIDI bytes:
// [status, data1, data2]
// https://www.cs.cf.ac.uk/Dave/Multimedia/node158.html has some helpful
// information interpreting the messages.
console.log(`midi in: ${message} d: ${deltaTime}`);
sendAll({
address: '/midi-in',
args: message
}, null, null, osclients)
});
}
function eulerFromQuaternion(quaternion) {
// Quaternion to matrix.
const w = quaternion[0], x = quaternion[1], y = quaternion[2], z = quaternion[3];
const x2 = x + x, y2 = y + y, z2 = z + z;
const xx = x * x2, xy = x * y2, xz = x * z2;
const yy = y * y2, yz = y * z2, zz = z * z2;
const wx = w * x2, wy = w * y2, wz = w * z2;
const matrix = [
1 - ( yy + zz ), xy + wz, xz - wy, 0,
xy - wz, 1 - ( xx + zz ), yz + wx, 0,
xz + wy, yz - wx, 1 - ( xx + yy ), 0,
0, 0, 0, 1
];
// Matrix to euler
function clamp( value, min, max ) {
return Math.max( min, Math.min( max, value ) );
}
const m11 = matrix[ 0 ], m12 = matrix[ 4 ], m13 = matrix[ 8 ];
const m21 = matrix[ 1 ], m22 = matrix[ 5 ], m23 = matrix[ 9 ];
const m31 = matrix[ 2 ], m32 = matrix[ 6 ], m33 = matrix[ 10 ];
var euler = [ 0, 0, 0 ];
euler[1] = Math.asin( clamp( m13, - 1, 1 ) );
if ( Math.abs( m13 ) < 0.9999999 ) {
euler[0] = Math.atan2( - m23, m33 );
euler[2] = Math.atan2( - m12, m11 );
} else {
euler[0] = Math.atan2( m32, m22 );
euler[2] = 0;
}
return euler;
}
const sendAll = (msg, info, oscWS, osclients, prepend = '') => {
// Reset euler rotation to 0
if (msg.address == '/keys') {
if (msg.args[0] && msg.args[1] && msg.args[2] && msg.args[3]) {
eulerRotation = [0, 0, 0]
}
}
// Convert quaternion diff to euler angle diff
if (msg.address == '/quaternionDiff') {
const euler = eulerFromQuaternion(msg.args, 'XYZ');
sendAll({
address: '/eulerDiff',
args: euler
}, info, oscWS, osclients, prepend)
eulerRotation[0] += euler[0]
eulerRotation[1] += euler[1]
eulerRotation[2] += euler[2]
sendAll({
address: '/euler',
args: eulerRotation
}, info, oscWS, osclients, prepend)
}
// Add prepend
let sendMsg = {
address: `${prepend}${msg.address}`,
args: msg.args
}
// OSC relay
osclients.forEach( client => {
if (client && oscWS != client) {
// console.log("OSC RELAY", sendMsg, info, prepend)
client.send(sendMsg)
}
})
if (scudp) {
if (DEBUG.udp) {
console.log("UDP SEND", msg)
}
scudp.send(sendMsg)
}
}
let osclients = []
wss.on('connection', function (ws) {
console.log('new client connection', ws._socket.remoteAddress)
let oscWS = new osc.WebSocketPort({
socket: ws
});
// Vsi OSC sem grejo naprej na kliente OSC
oscWS.on('message', ({ address, args}, info) => {
console.log('fasal sem', address, args)
if (MIDI) {
if (address == '/midi') {
if (DEBUG.midi) {
console.log('midi SEND', args)
}
mo.send(args)
}
}
sendAll({ address, args}, info, oscWS, osclients)
})
oscWS.on('error', error => {
console.warn('Ignoring invalid OSC')
console.warn(error)
oscWS.close()
osclients = osclients.filter(ws => ws !== oscWS)
})
osclients.push(oscWS)
oscWS.on('close', () => {
console.log('closing socket', oscWS.socket.remoteAddress)
osclients = osclients.filter(ws => ws !== oscWS)
})
})
// Zapri midi
/*
if (MIDI && mo) {
mo.closePort()
}
*/