905 lines
31 KiB
JavaScript
905 lines
31 KiB
JavaScript
/* gibbz voice POC — WebRTC mesh voice + screen share + spatial audio.
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POC shortcuts: no auth, no reconnection, no text chat, single audio context. */
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'use strict';
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// ---------------------------------------------------------------------------
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// state
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// ---------------------------------------------------------------------------
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const ROOM_UNITS = 100; // spatial plane is 0..100 x 0..100
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const SPATIAL_SCALE = 0.12; // room units -> audio world units
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const FALLBACK_ICE = { iceServers: [{ urls: ['stun:turn.k6n.net:3478', 'stun:stun.l.google.com:19302'] }] };
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const LS_NAME = 'voicepoc.nick';
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const LS_ICE = 'voicepoc.iceOverride';
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const S = {
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ws: null,
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myId: null,
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room: null,
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name: localStorage.getItem(LS_NAME) || '',
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peers: new Map(), // id -> peer record
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micStream: null,
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screenStream: null,
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screenSenders: new Map(), // peerId -> [RTCRtpSender]
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audioCtx: null,
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me: { x: 50, y: 50 },
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muted: false,
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deafened: false,
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iceServers: null, // resolved on join
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sharing: false,
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connecting: false,
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};
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window.__dbg = S; // POC debug handle
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const $ = (sel) => document.querySelector(sel);
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const els = {
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stage: $('#stage'), screens: $('#screens'), tiles: $('#tiles'),
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spatial: $('#spatial'), status: $('#voice-status'), nick: $('#nick'),
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meAvatar: $('#me-avatar'), mic: $('#btn-mic'), deafen: $('#btn-deafen'),
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};
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// ---------------------------------------------------------------------------
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// helpers
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// ---------------------------------------------------------------------------
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function toast(msg, kind = '') {
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const t = document.createElement('div');
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t.className = `toast ${kind}`;
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t.textContent = msg;
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$('#toasts').appendChild(t);
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setTimeout(() => t.remove(), 5000);
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}
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const PEER_COLORS = ['#5865f2', '#23a55a', '#f0b232', '#eb459e', '#3ba55c', '#faa61a', '#e67e22', '#9b59b6'];
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function colorFor(id) {
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let h = 0;
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for (const c of id) h = (h * 31 + c.charCodeAt(0)) >>> 0;
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return PEER_COLORS[h % PEER_COLORS.length];
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}
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function setAvatar(el, name, id) {
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el.style.background = colorFor(id);
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el.textContent = (name || '?').slice(0, 1).toUpperCase();
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}
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function effectiveIce() {
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const raw = localStorage.getItem(LS_ICE);
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if (raw) {
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try { return JSON.parse(raw); } catch { /* fall through */ }
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}
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return S.iceServers || FALLBACK_ICE;
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}
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// ---------------------------------------------------------------------------
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// join / leave
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// ---------------------------------------------------------------------------
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async function joinVoice(room) {
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if (S.room === room || S.connecting) return;
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if (S.room) leaveVoice('switching channel');
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S.connecting = true;
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setStatus(`connecting to ${room}…`);
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try {
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S.iceServers = await fetchIce();
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} catch {
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toast('Could not load ICE config from server — using fallback STUN', 'warn');
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}
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// mic (join anyway without one — listen-only)
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try {
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S.micStream = await navigator.mediaDevices.getUserMedia({
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audio: { echoCancellation: true, noiseSuppression: true, autoGainControl: true },
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});
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} catch {
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S.micStream = null;
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toast('No microphone available — joining in listen-only mode', 'warn');
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}
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els.mic.disabled = !S.micStream;
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S.muted = false;
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$('#btn-share').disabled = false;
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// audio context must exist after a user gesture — the channel click is one
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if (!S.audioCtx) S.audioCtx = new AudioContext();
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await S.audioCtx.resume().catch(() => {});
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orientListener();
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await openSignaling(room);
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S.room = room;
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S.connecting = false;
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renderAll();
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}
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async function fetchIce() {
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const headers = window.rum && typeof window.rum.traceHeaders === 'function' ? window.rum.traceHeaders() : {};
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const res = await fetch('/api/ice', { headers });
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if (!res.ok) throw new Error(`ice ${res.status}`);
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return res.json();
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}
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function leaveVoice(reason) {
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if (!S.room && !S.ws) return;
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if (S.sharing) stopScreenShare(true);
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for (const peer of S.peers.values()) destroyPeer(peer);
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S.peers.clear();
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if (S.ws) { try { S.ws.close(); } catch {} S.ws = null; }
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if (S.micStream) { S.micStream.getTracks().forEach((t) => t.stop()); S.micStream = null; }
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els.mic.disabled = false;
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// Keep btn-share enabled so clicking it prompts the user to join a channel
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updateMicButton();
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document.querySelectorAll('.channel.voice').forEach((c) => c.classList.remove('active'));
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S.room = null;
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S.myId = null;
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S.muted = false;
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S.deafened = false;
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updateDeafenButton();
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renderAll();
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setStatus(reason || 'not connected');
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}
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function setStatus(text) { els.status.textContent = text; }
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// ---------------------------------------------------------------------------
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// signaling
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// ---------------------------------------------------------------------------
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function openSignaling(room) {
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return new Promise((resolve, reject) => {
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const proto = location.protocol === 'https:' ? 'wss' : 'ws';
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const url = `${proto}://${location.host}/ws?room=${encodeURIComponent(room)}&name=${encodeURIComponent(S.name)}`;
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const ws = new WebSocket(url);
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S.ws = ws;
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ws.onerror = () => { S.connecting = false; setStatus('connection failed'); reject(new Error('websocket failed')); };
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ws.onmessage = (ev) => {
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let msg;
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try { msg = JSON.parse(ev.data); } catch { return; }
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try { handleSignal(msg); } catch (err) { console.error('signal handler error', msg.type, err); }
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};
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ws.onclose = () => {
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if (S.ws === ws && S.room) {
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toast('Signaling connection lost', 'error');
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leaveVoice('disconnected');
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}
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};
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ws.onopen = () => resolve();
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});
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}
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function send(msg) {
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if (S.ws && S.ws.readyState === 1) S.ws.send(JSON.stringify(msg));
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}
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function handleSignal(msg) {
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switch (msg.type) {
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case 'hello': {
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S.myId = msg.id;
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S.room = msg.room;
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for (const p of msg.peers) {
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S.peers.set(p.id, makePeerRecord(p));
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// deterministic initiator: lower id offers (no glare storm on join)
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ensurePC(S.peers.get(p.id), S.myId < p.id);
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}
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sendMyPos(true);
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renderAll();
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setStatus(`voice connected — ${msg.peers.length + 1} in ${msg.room}`);
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toast(`Joined ${msg.room}`, 'ok');
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break;
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}
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case 'joined':
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S.peers.set(msg.peer.id, makePeerRecord(msg.peer));
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renderAll();
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toast(`${msg.peer.name} joined`, 'ok');
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break;
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case 'left': {
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const peer = S.peers.get(msg.id);
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if (peer) {
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destroyPeer(peer);
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S.peers.delete(msg.id);
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renderAll();
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toast(`${peer.name} left`);
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}
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break;
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}
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case 'pos': {
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const peer = S.peers.get(msg.from);
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if (peer) { peer.x = msg.x; peer.y = msg.y; updatePanner(peer); }
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break;
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}
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case 'state': {
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const peer = S.peers.get(msg.from);
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if (peer) { peer.state = msg.state; renderTiles(); }
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break;
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}
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case 'offer':
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case 'answer': {
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const peer = ensurePC(S.peers.get(msg.from) || createOrphanPeer(msg.from), false);
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onDescription(peer, msg.sdp).catch((e) => console.error('description failed', e));
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break;
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}
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case 'candidate': {
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const peer = S.peers.get(msg.from);
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if (!peer || !peer.pc) return; // candidates only after description path created pc
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onCandidate(peer, msg.candidate).catch((e) => console.error('candidate failed', e));
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break;
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}
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default:
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break;
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}
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}
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// ---------------------------------------------------------------------------
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// peer records + WebRTC (perfect negotiation)
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// ---------------------------------------------------------------------------
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function makePeerRecord(p) {
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return {
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id: p.id, name: p.name, x: p.x, y: p.y,
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state: p.state || { muted: false, deafened: false, sharing: false },
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pc: null, polite: false, makingOffer: false, ignoreOffer: false,
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pendingCandidates: [], micStream: null, screenStream: null,
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gain: null, panner: null, analyser: null, vol: 1, speaking: false,
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els: {},
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};
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}
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function createOrphanPeer(id) {
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const p = makePeerRecord({ id, name: 'peer-' + id.slice(0, 4), x: 50, y: 50 });
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S.peers.set(id, p);
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return p;
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}
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function ensurePC(peer, initiator) {
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if (peer.pc) return peer;
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const pc = new RTCPeerConnection({ ...effectiveIce(), iceCandidatePoolSize: 4 });
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peer.pc = pc;
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peer.polite = S.myId > peer.id;
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pc.onnegotiationneeded = async () => {
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try {
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peer.makingOffer = true;
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await pc.setLocalDescription();
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send({ type: 'offer', to: peer.id, sdp: pc.localDescription });
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} catch (err) {
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console.error('negotiation failed', err);
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} finally {
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peer.makingOffer = false;
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}
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};
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pc.onicecandidate = ({ candidate }) => {
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if (candidate) send({ type: 'candidate', to: peer.id, candidate });
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};
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pc.onconnectionstatechange = () => {
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renderTiles();
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if (pc.connectionState === 'failed') {
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console.warn('peer connection failed, restarting ICE', peer.id);
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try { pc.restartIce(); } catch {}
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}
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};
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pc.ontrack = (ev) => onRemoteTrack(peer, ev);
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// send my mic; if I have none, ask to receive theirs
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if (S.micStream) {
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for (const track of S.micStream.getAudioTracks()) pc.addTrack(track, S.micStream);
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} else {
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pc.addTransceiver('audio', { direction: 'recvonly' });
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}
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if (initiator) pc.onnegotiationneeded();
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return peer;
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}
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async function onDescription(peer, desc) {
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const pc = peer.pc;
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const collision = desc.type === 'offer' && (peer.makingOffer || pc.signalingState !== 'stable');
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peer.ignoreOffer = !peer.polite && collision;
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if (peer.ignoreOffer) return; // impolite side ignores the rival offer
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await pc.setRemoteDescription(desc); // modern browsers roll back implicitly when polite
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for (const c of peer.pendingCandidates.splice(0)) {
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await pc.addIceCandidate(c).catch((e) => console.warn('buffered candidate failed', e));
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}
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if (desc.type === 'offer') {
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await pc.setLocalDescription();
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send({ type: 'answer', to: peer.id, sdp: pc.localDescription });
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}
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}
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async function onCandidate(peer, candidate) {
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if (peer.ignoreOffer) return;
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if (!peer.pc.remoteDescription) {
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peer.pendingCandidates.push(candidate);
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return;
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}
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await peer.pc.addIceCandidate(candidate);
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}
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function destroyPeer(peer) {
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if (peer.pc) { try { peer.pc.close(); } catch {} peer.pc = null; }
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detachSpatial(peer);
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peer.micStream = null;
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peer.screenStream = null;
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peer.els = {};
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renderScreens();
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}
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// ---------------------------------------------------------------------------
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// remote media: mic -> spatial chain, screen -> big video + direct audio
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// ---------------------------------------------------------------------------
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function onRemoteTrack(peer, ev) {
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const stream = ev.streams[0];
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if (!stream) return;
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if (stream.getVideoTracks().length > 0) {
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peer.screenStream = stream;
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stream.getVideoTracks().forEach((t) => {
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t.addEventListener('ended', () => {
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if (peer.screenStream === stream) { peer.screenStream = null; renderScreens(); }
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});
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});
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renderScreens();
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console.log('remote screen share from', peer.name);
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} else {
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peer.micStream = stream;
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attachSpatial(peer, stream);
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console.log('remote mic from', peer.name);
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}
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renderTiles();
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}
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function attachSpatial(peer, stream) {
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const ctx = S.audioCtx;
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if (!ctx || peer.panner) return;
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const src = ctx.createMediaStreamSource(stream);
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const panner = ctx.createPanner();
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panner.panningModel = 'HRTF';
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panner.distanceModel = 'inverse';
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panner.refDistance = 4;
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panner.rolloffFactor = 1.4;
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panner.maxDistance = 200;
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const gain = ctx.createGain();
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gain.gain.value = S.deafened ? 0 : peer.vol;
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const analyser = ctx.createAnalyser();
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analyser.fftSize = 256;
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src.connect(panner).connect(gain).connect(analyser).connect(ctx.destination);
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Object.assign(peer, { panner, gain, analyser });
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updatePanner(peer);
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}
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function detachSpatial(peer) {
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if (peer.gain) { try { peer.gain.disconnect(); } catch {} }
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if (peer.panner) { try { peer.panner.disconnect(); } catch {} }
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peer.panner = peer.gain = peer.analyser = null;
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}
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function updatePanner(peer) {
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if (!peer.panner) return;
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const x = (peer.x - S.me.x) * SPATIAL_SCALE;
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const z = (peer.y - S.me.y) * SPATIAL_SCALE; // screen-down = behind listener
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const p = peer.panner;
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if (p.positionX) {
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p.positionX.value = x; p.positionY.value = 0; p.positionZ.value = z;
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} else { // old Safari
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p.setPosition(x, 0, z);
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}
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}
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function orientListener() {
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const l = S.audioCtx && S.audioCtx.listener;
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if (!l) return;
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if (l.forwardX) {
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l.forwardX.value = 0; l.forwardY.value = 0; l.forwardZ.value = -1;
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l.upX.value = 0; l.upY.value = 1; l.upZ.value = 0;
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} else {
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l.setOrientation(0, 0, -1, 0, 1, 0);
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}
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}
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// ---------------------------------------------------------------------------
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// screen share (local)
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// ---------------------------------------------------------------------------
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async function startScreenShare() {
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if (S.sharing) {
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stopScreenShare();
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return;
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}
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if (!S.room) {
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toast('Join a voice channel first to share your screen', 'warn');
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return;
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}
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if (!navigator.mediaDevices || !navigator.mediaDevices.getDisplayMedia) {
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toast('Screen sharing is not supported in this browser or context', 'error');
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return;
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}
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let stream;
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try {
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// Try requesting display media with audio first
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stream = await navigator.mediaDevices.getDisplayMedia({
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video: { frameRate: 30 }, audio: true,
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});
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} catch (err) {
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// If user cancelled / denied, don't toast as error unless it's not NotAllowedError/AbortError
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if (err.name === 'NotAllowedError' || err.name === 'AbortError') {
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return;
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}
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// Try fallback without audio constraint if audio failed
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try {
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stream = await navigator.mediaDevices.getDisplayMedia({
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video: { frameRate: 30 },
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});
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} catch (fallbackErr) {
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if (fallbackErr.name === 'NotAllowedError' || fallbackErr.name === 'AbortError') {
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return;
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}
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console.error('Failed to get display media:', fallbackErr);
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toast(`Could not share screen: ${fallbackErr.message || fallbackErr}`, 'error');
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return;
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}
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}
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S.screenStream = stream;
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S.sharing = true;
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send({ type: 'state', state: { muted: S.muted, deafened: S.deafened, sharing: true } });
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for (const peer of S.peers.values()) addScreenToPeer(peer);
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const videoTrack = stream.getVideoTracks()[0];
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if (videoTrack) {
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videoTrack.addEventListener('ended', () => stopScreenShare());
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}
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renderScreens();
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renderTiles();
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$('#btn-share').classList.add('active');
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toast('You are sharing your screen', 'ok');
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}
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function addScreenToPeer(peer) {
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if (!peer.pc || !S.screenStream) return;
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const senders = [];
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for (const track of S.screenStream.getTracks()) {
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senders.push(peer.pc.addTrack(track, S.screenStream));
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}
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S.screenSenders.set(peer.id, senders); // renegotiation fires automatically
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}
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function stopScreenShare(silent) {
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if (!S.sharing) return;
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S.sharing = false;
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for (const [peerId, senders] of S.screenSenders) {
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const peer = S.peers.get(peerId);
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if (peer && peer.pc) for (const s of senders) { try { peer.pc.removeTrack(s); } catch {} }
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}
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S.screenSenders.clear();
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if (S.screenStream) { S.screenStream.getTracks().forEach((t) => t.stop()); S.screenStream = null; }
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send({ type: 'state', state: { muted: S.muted, deafened: S.deafened, sharing: false } });
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renderScreens();
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renderTiles();
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$('#btn-share').classList.remove('active');
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if (!silent) toast('Screen share stopped');
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}
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// ---------------------------------------------------------------------------
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// position sync
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// ---------------------------------------------------------------------------
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let lastPosSend = 0;
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function sendMyPos(force) {
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const now = performance.now();
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if (!force && now - lastPosSend < 60) return;
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lastPosSend = now;
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send({ type: 'pos', x: S.me.x, y: S.me.y });
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for (const peer of S.peers.values()) updatePanner(peer);
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}
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// ---------------------------------------------------------------------------
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// speaking detection (local meter + per-peer analyser RMS)
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// ---------------------------------------------------------------------------
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const meterBuf = new Uint8Array(256);
|
|
function rms(analyser) {
|
|
analyser.getByteTimeDomainData(meterBuf);
|
|
let sum = 0;
|
|
for (let i = 0; i < meterBuf.length; i++) {
|
|
const v = (meterBuf[i] - 128) / 128;
|
|
sum += v * v;
|
|
}
|
|
return Math.sqrt(sum / meterBuf.length);
|
|
}
|
|
|
|
let localAnalyser = null;
|
|
setInterval(() => {
|
|
if (!S.audioCtx) return;
|
|
if (S.micStream && !localAnalyser) {
|
|
const src = S.audioCtx.createMediaStreamSource(S.micStream);
|
|
localAnalyser = S.audioCtx.createAnalyser();
|
|
localAnalyser.fftSize = 256;
|
|
src.connect(localAnalyser); // tap only — not connected to destination (no echo)
|
|
}
|
|
const meSpeaking = localAnalyser && !S.muted && rms(localAnalyser) > 0.04;
|
|
els.meAvatar.classList.toggle('speaking', !!meSpeaking);
|
|
let changed = false;
|
|
for (const peer of S.peers.values()) {
|
|
const speaking = !!(peer.analyser && !S.deafened && rms(peer.analyser) > 0.03);
|
|
if (speaking !== peer.speaking) { peer.speaking = speaking; changed = true; }
|
|
}
|
|
if (changed) renderTiles();
|
|
}, 150);
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// rendering
|
|
// ---------------------------------------------------------------------------
|
|
function renderAll() {
|
|
renderTiles();
|
|
renderScreens();
|
|
renderStageEmpty();
|
|
renderChannelCounts();
|
|
}
|
|
|
|
function renderStageEmpty() {
|
|
const anyone = S.peers.size > 0 || S.sharing || S.room;
|
|
els.stage.classList.toggle('empty', !anyone);
|
|
}
|
|
|
|
function renderChannelCounts() {
|
|
// POC: server does not expose cross-room rosters; count is local-room only
|
|
const counts = {};
|
|
for (const p of S.peers.values()) counts[S.room] = (counts[S.room] || 0) + 1;
|
|
document.querySelectorAll('[data-room-count]').forEach((el) => {
|
|
const n = counts[el.dataset.roomCount] || 0;
|
|
el.textContent = n ? `${n + (el.dataset.roomCount === S.room ? 1 : 0)}` : '';
|
|
});
|
|
}
|
|
|
|
function renderTiles() {
|
|
els.tiles.innerHTML = '';
|
|
for (const peer of S.peers.values()) {
|
|
const tile = document.createElement('div');
|
|
tile.className = 'tile' + (peer.speaking ? ' speaking' : '');
|
|
const av = document.createElement('div');
|
|
av.className = 'avatar';
|
|
setAvatar(av, peer.name, peer.id);
|
|
const name = document.createElement('div');
|
|
name.className = 'name';
|
|
name.textContent = peer.name;
|
|
const sub = document.createElement('div');
|
|
sub.className = 'sub';
|
|
const bits = [];
|
|
if (!peer.pc) bits.push('<span class="connecting">signaling…</span>');
|
|
else if (peer.pc.connectionState !== 'connected') bits.push(`<span class="connecting">${peer.pc.connectionState}…</span>`);
|
|
else if (!peer.micStream && !peer.state.muted) bits.push('<span class="connecting">no audio yet</span>');
|
|
if (peer.state.muted) bits.push('<span class="mute-tag">muted</span>');
|
|
if (peer.state.sharing) bits.push('<span class="share-tag">sharing</span>');
|
|
sub.innerHTML = bits.join(' ') || 'connected';
|
|
const vol = document.createElement('input');
|
|
vol.type = 'range'; vol.min = 0; vol.max = 2; vol.step = 0.05; vol.value = peer.vol;
|
|
vol.title = 'Volume';
|
|
vol.oninput = () => {
|
|
peer.vol = Number(vol.value);
|
|
if (peer.gain && !S.deafened) peer.gain.gain.value = peer.vol;
|
|
};
|
|
tile.append(av, name, sub, vol);
|
|
els.tiles.appendChild(tile);
|
|
}
|
|
renderStageEmpty();
|
|
}
|
|
|
|
// share keys: 'me' or peer id; popped-out shares render in their own window
|
|
const poppedWindows = new Map(); // key -> {win, name}
|
|
|
|
function activeShares() {
|
|
const shares = [];
|
|
if (S.sharing && S.screenStream) shares.push({ key: 'me', name: `${S.name} (you)`, stream: S.screenStream });
|
|
for (const peer of S.peers.values()) {
|
|
if (peer.screenStream) shares.push({ key: peer.id, name: peer.name, stream: peer.screenStream });
|
|
}
|
|
return shares;
|
|
}
|
|
|
|
function renderScreens() {
|
|
// prune popouts whose share ended
|
|
const live = new Set(activeShares().map((s) => s.key));
|
|
for (const [key, p] of [...poppedWindows]) {
|
|
if (!live.has(key)) {
|
|
try { p.win.close(); } catch {}
|
|
poppedWindows.delete(key);
|
|
}
|
|
}
|
|
|
|
els.screens.innerHTML = '';
|
|
els.screens.classList.toggle('multi', activeShares().length > 1);
|
|
for (const share of activeShares()) {
|
|
if (poppedWindows.has(share.key)) {
|
|
// rendered in its own window — show a small placeholder card to re-embed
|
|
const ph = document.createElement('div');
|
|
ph.className = 'screen-card popped';
|
|
const btn = document.createElement('button');
|
|
btn.className = 'pop-btn';
|
|
btn.textContent = '⧉ re-embed';
|
|
btn.onclick = () => closePopout(share.key);
|
|
const label = document.createElement('div');
|
|
label.className = 'label';
|
|
label.textContent = `${share.name} — popped out`;
|
|
ph.append(btn, label);
|
|
els.screens.appendChild(ph);
|
|
continue;
|
|
}
|
|
const card = document.createElement('div');
|
|
card.className = 'screen-card';
|
|
const video = document.createElement('video');
|
|
video.autoplay = true;
|
|
video.playsInline = true;
|
|
video.muted = share.key === 'me';
|
|
video.srcObject = share.stream;
|
|
video.play().catch(() => {});
|
|
const label = document.createElement('div');
|
|
label.className = 'label';
|
|
label.innerHTML = '<span class="live">●</span>';
|
|
label.appendChild(document.createTextNode(share.name));
|
|
const pop = document.createElement('button');
|
|
pop.className = 'pop-btn';
|
|
pop.title = 'Pop out in new window';
|
|
pop.textContent = '⧉';
|
|
pop.onclick = () => popOutShare(share);
|
|
card.append(video, label, pop);
|
|
els.screens.appendChild(card);
|
|
}
|
|
}
|
|
|
|
function popOutShare(share) {
|
|
if (poppedWindows.has(share.key)) return;
|
|
const win = window.open('', `share-${share.key}`, 'width=960,height=540');
|
|
if (!win) {
|
|
toast('Pop-out blocked by the browser — allow pop-ups for this page', 'error');
|
|
return;
|
|
}
|
|
win.document.write(`<!doctype html><title>${share.name} — screen share</title>
|
|
<style>html,body{margin:0;height:100%;background:#000;display:grid}video{width:100%;height:100%;object-fit:contain}</style>
|
|
<video autoplay playsinline></video>`);
|
|
win.document.close();
|
|
const v = win.document.querySelector('video');
|
|
v.muted = share.key === 'me';
|
|
v.srcObject = share.stream;
|
|
v.play().catch(() => {});
|
|
poppedWindows.set(share.key, { win, name: share.name });
|
|
win.addEventListener('beforeunload', () => {
|
|
poppedWindows.delete(share.key);
|
|
renderScreens();
|
|
});
|
|
renderScreens();
|
|
}
|
|
|
|
function closePopout(key) {
|
|
const p = poppedWindows.get(key);
|
|
if (p) {
|
|
poppedWindows.delete(key);
|
|
try { p.win.close(); } catch {}
|
|
renderScreens();
|
|
}
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// spatial canvas
|
|
// ---------------------------------------------------------------------------
|
|
const ctx2d = els.spatial.getContext('2d');
|
|
let dragging = null;
|
|
|
|
function spatialMetrics() {
|
|
const r = els.spatial.getBoundingClientRect();
|
|
const dpr = window.devicePixelRatio || 1;
|
|
if (els.spatial.width !== r.width * dpr) {
|
|
els.spatial.width = r.width * dpr;
|
|
els.spatial.height = r.height * dpr;
|
|
}
|
|
ctx2d.setTransform(dpr, 0, 0, dpr, 0, 0);
|
|
const pad = 30;
|
|
return { w: r.width, h: r.height, pad,
|
|
toPx: (x, y) => [pad + (x / ROOM_UNITS) * (r.width - 2 * pad),
|
|
pad + (y / ROOM_UNITS) * (r.height - 2 * pad)],
|
|
fromPx: (px, py) => [((px - pad) / (r.width - 2 * pad)) * ROOM_UNITS,
|
|
((py - pad) / (r.height - 2 * pad)) * ROOM_UNITS] };
|
|
}
|
|
|
|
function drawSpatial() {
|
|
const m = spatialMetrics();
|
|
ctx2d.clearRect(0, 0, m.w, m.h);
|
|
|
|
// grid
|
|
ctx2d.strokeStyle = 'rgba(255,255,255,.05)';
|
|
ctx2d.lineWidth = 1;
|
|
for (let i = 0; i <= ROOM_UNITS; i += 10) {
|
|
const [gx, gy] = m.toPx(i, i);
|
|
ctx2d.beginPath(); ctx2d.moveTo(gx, m.toPx(0, 0)[1]); ctx2d.lineTo(gx, m.toPx(0, 100)[1]); ctx2d.stroke();
|
|
ctx2d.beginPath(); ctx2d.moveTo(m.toPx(0, 0)[0], gy); ctx2d.lineTo(m.toPx(100, 0)[0], gy); ctx2d.stroke();
|
|
}
|
|
|
|
// audible range around me (~gain 0.05 at 56 units with ref=4, rolloff=1.4)
|
|
const [mx, my] = m.toPx(S.me.x, S.me.y);
|
|
const rangeR = (56 / ROOM_UNITS) * (m.w - 2 * m.pad);
|
|
ctx2d.strokeStyle = 'rgba(88,101,242,.35)';
|
|
ctx2d.setLineDash([5, 5]);
|
|
ctx2d.beginPath(); ctx2d.arc(mx, my, Math.max(0, Math.min(rangeR, m.h - 2 * m.pad)), 0, Math.PI * 2); ctx2d.stroke();
|
|
ctx2d.setLineDash([]);
|
|
|
|
// peers
|
|
for (const peer of S.peers.values()) drawAvatarDot(peer.name, peer.id, peer.x, peer.y, peer.speaking, peer.state.muted, false, m);
|
|
// me (draggable listener)
|
|
drawAvatarDot(S.name || 'me', S.myId || 'me', S.me.x, S.me.y, els.meAvatar.classList.contains('speaking'), S.muted, true, m);
|
|
|
|
if (!dragging) requestAnimationFrame(drawSpatial);
|
|
}
|
|
requestAnimationFrame(drawSpatial);
|
|
|
|
function drawAvatarDot(name, id, x, y, speaking, muted, isMe, m) {
|
|
const [px, py] = m.toPx(x, y);
|
|
const r = isMe ? 16 : 13;
|
|
ctx2d.beginPath();
|
|
ctx2d.arc(px, py, r, 0, Math.PI * 2);
|
|
ctx2d.fillStyle = colorFor(id);
|
|
ctx2d.fill();
|
|
if (speaking) {
|
|
ctx2d.strokeStyle = '#23a55a';
|
|
ctx2d.lineWidth = 3;
|
|
ctx2d.stroke();
|
|
}
|
|
if (muted) {
|
|
ctx2d.strokeStyle = '#f23f43';
|
|
ctx2d.lineWidth = 3;
|
|
ctx2d.beginPath();
|
|
ctx2d.moveTo(px - r, py + r);
|
|
ctx2d.lineTo(px + r, py - r);
|
|
ctx2d.stroke();
|
|
}
|
|
ctx2d.fillStyle = '#fff';
|
|
ctx2d.font = `bold ${Math.round(r)}px system-ui`;
|
|
ctx2d.textAlign = 'center';
|
|
ctx2d.textBaseline = 'middle';
|
|
ctx2d.fillText(name.slice(0, 1).toUpperCase(), px, py + 1);
|
|
ctx2d.font = '11px system-ui';
|
|
ctx2d.fillStyle = isMe ? '#b5bac1' : '#80848e';
|
|
ctx2d.fillText(name + (isMe ? ' (you)' : ''), px, py + r + 12);
|
|
}
|
|
|
|
els.spatial.addEventListener('pointerdown', (ev) => {
|
|
const m = spatialMetrics();
|
|
const rect = els.spatial.getBoundingClientRect();
|
|
const px = ev.clientX - rect.left, py = ev.clientY - rect.top;
|
|
const [ux, uy] = m.fromPx(px, py);
|
|
const d = Math.hypot(ux - S.me.x, uy - S.me.y);
|
|
if (d < 10) {
|
|
dragging = { dx: S.me.x - ux, dy: S.me.y - uy };
|
|
els.spatial.classList.add('dragging');
|
|
els.spatial.setPointerCapture(ev.pointerId);
|
|
}
|
|
});
|
|
els.spatial.addEventListener('pointermove', (ev) => {
|
|
if (!dragging) return;
|
|
const m = spatialMetrics();
|
|
const rect = els.spatial.getBoundingClientRect();
|
|
const [ux, uy] = m.fromPx(ev.clientX - rect.left, ev.clientY - rect.top);
|
|
S.me.x = Math.min(ROOM_UNITS, Math.max(0, ux + dragging.dx));
|
|
S.me.y = Math.min(ROOM_UNITS, Math.max(0, uy + dragging.dy));
|
|
sendMyPos();
|
|
});
|
|
els.spatial.addEventListener('pointerup', () => {
|
|
if (!dragging) return;
|
|
dragging = null;
|
|
els.spatial.classList.remove('dragging');
|
|
sendMyPos(true);
|
|
requestAnimationFrame(drawSpatial); // rAF loop stopped while dragging
|
|
});
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// controls & wiring
|
|
// ---------------------------------------------------------------------------
|
|
function updateMicButton() {
|
|
els.mic.classList.toggle('off', S.muted || !S.micStream);
|
|
}
|
|
function updateDeafenButton() {
|
|
els.deafen.classList.toggle('off', S.deafened);
|
|
}
|
|
function sendState() {
|
|
send({ type: 'state', state: { muted: S.muted, deafened: S.deafened, sharing: S.sharing } });
|
|
}
|
|
|
|
function toggleMic() {
|
|
if (!S.micStream) return;
|
|
S.muted = !S.muted;
|
|
S.micStream.getAudioTracks().forEach((t) => (t.enabled = !S.muted));
|
|
updateMicButton();
|
|
sendState();
|
|
renderTiles();
|
|
}
|
|
|
|
function toggleDeafen() {
|
|
if (!S.audioCtx) return;
|
|
S.deafened = !S.deafened;
|
|
for (const peer of S.peers.values()) {
|
|
if (peer.gain) peer.gain.gain.value = S.deafened ? 0 : peer.vol;
|
|
}
|
|
updateDeafenButton();
|
|
sendState();
|
|
renderTiles();
|
|
}
|
|
|
|
els.mic.onclick = toggleMic;
|
|
els.deafen.onclick = toggleDeafen;
|
|
$('#btn-share').onclick = () => (S.sharing ? stopScreenShare() : startScreenShare());
|
|
$('#btn-settings').onclick = openSettings;
|
|
|
|
els.nick.value = S.name;
|
|
els.nick.addEventListener('change', () => {
|
|
S.name = els.nick.value.trim() || `guest-${Math.random().toString(36).slice(2, 6)}`;
|
|
els.nick.value = S.name;
|
|
localStorage.setItem(LS_NAME, S.name);
|
|
setAvatar(els.meAvatar, S.name, S.myId || 'me');
|
|
});
|
|
if (!S.name) {
|
|
S.name = `guest-${Math.random().toString(36).slice(2, 6)}`;
|
|
els.nick.value = S.name;
|
|
localStorage.setItem(LS_NAME, S.name);
|
|
}
|
|
setAvatar(els.meAvatar, S.name, 'me');
|
|
|
|
document.querySelectorAll('.channel.voice').forEach((el) => {
|
|
el.onclick = () => {
|
|
if (S.room === el.dataset.room) return;
|
|
document.querySelectorAll('.channel.voice').forEach((c) => c.classList.remove('active'));
|
|
el.classList.add('active');
|
|
joinVoice(el.dataset.room).catch((e) => {
|
|
console.error(e);
|
|
toast(`Join failed: ${e.message}`, 'error');
|
|
leaveVoice('join failed');
|
|
});
|
|
};
|
|
});
|
|
document.querySelectorAll('.channel.text').forEach((el) => {
|
|
el.onclick = () => toast('POC: text chat is not implemented');
|
|
});
|
|
|
|
// spawn me somewhere spread out, not dead-center on top of others
|
|
(() => {
|
|
let h = 0;
|
|
for (const c of S.myId || S.name) h = (h * 33 + c.charCodeAt(0)) >>> 0;
|
|
const a = (h % 360) * (Math.PI / 180);
|
|
S.me.x = 50 + 20 * Math.cos(a);
|
|
S.me.y = 50 + 20 * Math.sin(a);
|
|
})();
|
|
|
|
window.addEventListener('keydown', (ev) => {
|
|
if (ev.target.tagName === 'INPUT' || ev.target.tagName === 'TEXTAREA') return;
|
|
if (ev.key === 'm') toggleMic();
|
|
if (ev.key === 'd') toggleDeafen();
|
|
if (ev.key === 's') $('#btn-share').click();
|
|
});
|
|
window.addEventListener('beforeunload', () => { try { leaveVoice(); } catch {} });
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// settings modal (custom STUN/TURN)
|
|
// ---------------------------------------------------------------------------
|
|
function openSettings() {
|
|
const override = localStorage.getItem(LS_ICE);
|
|
$('#override-enabled').checked = !!override;
|
|
const current = override ? JSON.parse(override) : effectiveIce();
|
|
$('#ice-json').value = JSON.stringify(current, null, 2);
|
|
fetchIce().then(
|
|
(server) => { $('#ice-server-default').textContent = JSON.stringify(server, null, 2); },
|
|
() => { $('#ice-server-default').textContent = '(unavailable)'; },
|
|
);
|
|
$('#modal-backdrop').classList.remove('hidden');
|
|
}
|
|
$('#ice-cancel').onclick = () => $('#modal-backdrop').classList.add('hidden');
|
|
$('#modal-backdrop').onclick = (ev) => {
|
|
if (ev.target === $('#modal-backdrop')) $('#modal-backdrop').classList.add('hidden');
|
|
};
|
|
$('#ice-reset').onclick = () => {
|
|
localStorage.removeItem(LS_ICE);
|
|
$('#override-enabled').checked = false;
|
|
fetchIce().then((server) => { $('#ice-json').value = JSON.stringify(server, null, 2); });
|
|
};
|
|
$('#ice-save').onclick = () => {
|
|
const enabled = $('#override-enabled').checked;
|
|
let parsed = null;
|
|
if (enabled) {
|
|
try {
|
|
parsed = JSON.parse($('#ice-json').value);
|
|
if (!Array.isArray(parsed.iceServers)) throw new Error('missing "iceServers" array');
|
|
} catch (err) {
|
|
toast(`Invalid ICE JSON: ${err.message}`, 'error');
|
|
return;
|
|
}
|
|
localStorage.setItem(LS_ICE, JSON.stringify(parsed));
|
|
} else {
|
|
localStorage.removeItem(LS_ICE);
|
|
}
|
|
$('#modal-backdrop').classList.add('hidden');
|
|
toast(enabled ? 'Custom ICE saved — rejoin to apply' : 'Reverted to server ICE — rejoin to apply', 'ok');
|
|
};
|