2f60136b36
5 dogs with distinct movement physics, seeded procedural arenas with traps and mineable powerups, smash-style knockback/stocks combat, local 2P and P2P netplay (PeerJS room keys), procedural art and sfx, headless sim smoke tests.
70 lines
2.8 KiB
JavaScript
70 lines
2.8 KiB
JavaScript
// P2P networking via PeerJS (WebRTC data channels). The PeerJS public cloud
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// broker is used only for signaling/room discovery — once connected, all game
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// traffic flows peer-to-peer. No game server anywhere.
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//
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// The room key IS the host's peer id (prefixed). Share the 5 letters, done.
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const PRE = 'barkour-w1-';
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const KEY_ALPHABET = 'ABCDEFGHJKLMNPQRSTUVWXYZ23456789';
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export function randomKey() {
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let s = '';
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for (let i = 0; i < 5; i++) s += KEY_ALPHABET[Math.floor(Math.random() * KEY_ALPHABET.length)];
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return s;
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}
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export function peerAvailable() {
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return typeof window !== 'undefined' && typeof window.Peer !== 'undefined';
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}
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function errMsg(e) {
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const t = e && e.type;
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if (t === 'peer-unavailable') return 'No room with that key. Check the code and try again.';
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if (t === 'unavailable-id') return 'Room key collision — host again for a fresh key.';
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if (t === 'network' || t === 'server-error' || t === 'socket-error') return 'Could not reach the signaling broker (offline?).';
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return 'Connection error: ' + (e && e.message || t || 'unknown');
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}
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// cb: { open(key), conn(), data(msg), close(reason) }
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export function hostRoom(key, cb) {
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if (!peerAvailable()) { cb.close('PeerJS failed to load — check your internet connection.'); return null; }
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const peer = new window.Peer(PRE + key);
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let conn = null;
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let dead = false;
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const die = (msg) => { if (!dead) { dead = true; cb.close(msg); } };
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peer.on('open', () => cb.open(key));
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peer.on('error', (e) => die(errMsg(e)));
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peer.on('disconnected', () => { try { peer.reconnect(); } catch (_) { /* broker gone; game traffic is p2p anyway */ } });
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peer.on('connection', (c) => {
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if (conn) { try { c.close(); } catch (_) {} return; } // room is full (2 players)
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conn = c;
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c.on('open', () => cb.conn());
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c.on('data', (d) => cb.data(d));
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c.on('close', () => die('Other player disconnected.'));
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c.on('error', () => die('Connection lost.'));
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});
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return {
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send: (o) => { if (conn && conn.open) conn.send(o); },
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destroy: () => { dead = true; try { peer.destroy(); } catch (_) {} },
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};
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}
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export function joinRoom(key, cb) {
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if (!peerAvailable()) { cb.close('PeerJS failed to load — check your internet connection.'); return null; }
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const peer = new window.Peer();
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let dead = false;
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const die = (msg) => { if (!dead) { dead = true; cb.close(msg); } };
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const api = {
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send: () => {},
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destroy: () => { dead = true; try { peer.destroy(); } catch (_) {} },
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};
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peer.on('error', (e) => die(errMsg(e)));
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peer.on('open', () => {
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const c = peer.connect(PRE + key.toUpperCase().trim(), { reliable: true });
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c.on('open', () => { api.send = (o) => { if (c.open) c.send(o); }; cb.conn(); });
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c.on('data', (d) => cb.data(d));
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c.on('close', () => die('Host disconnected.'));
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c.on('error', () => die('Connection lost.'));
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});
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return api;
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}
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