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Main/resources/[tools]/nordi_dj/html/script.js
2025-08-03 17:26:20 +02:00

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JavaScript

let audioPlayer = null;
let currentVolume = 50;
let isPlaying = false;
let currentSong = null;
let fadeInterval = null;
// YouTube Player API laden
let youtubeAPIReady = false;
let youtubePlayer = null;
// Initialize when page loads
document.addEventListener('DOMContentLoaded', function() {
loadYouTubeAPI();
setupAudioPlayer();
});
// YouTube API laden
function loadYouTubeAPI() {
// YouTube IFrame API Script laden
const tag = document.createElement('script');
tag.src = 'https://www.youtube.com/iframe_api';
const firstScriptTag = document.getElementsByTagName('script')[0];
firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);
}
// YouTube API Ready Callback
window.onYouTubeIframeAPIReady = function() {
console.log('DJ System: YouTube API ready');
youtubeAPIReady = true;
// Erstelle versteckten YouTube Player
createYouTubePlayer();
};
// YouTube Player erstellen
function createYouTubePlayer() {
// Container für YouTube Player
const playerContainer = document.createElement('div');
playerContainer.id = 'youtube-player-container';
playerContainer.style.position = 'absolute';
playerContainer.style.top = '-9999px';
playerContainer.style.left = '-9999px';
playerContainer.style.width = '1px';
playerContainer.style.height = '1px';
playerContainer.style.opacity = '0';
document.body.appendChild(playerContainer);
youtubePlayer = new YT.Player('youtube-player-container', {
height: '1',
width: '1',
playerVars: {
'autoplay': 0,
'controls': 0,
'disablekb': 1,
'fs': 0,
'modestbranding': 1,
'playsinline': 1,
'rel': 0,
'showinfo': 0,
'iv_load_policy': 3,
'cc_load_policy': 0,
'start': 0,
'origin': window.location.origin
},
events: {
'onReady': onYouTubePlayerReady,
'onStateChange': onYouTubePlayerStateChange,
'onError': onYouTubePlayerError
}
});
}
function onYouTubePlayerReady(event) {
console.log('DJ System: YouTube Player ready');
}
function onYouTubePlayerStateChange(event) {
switch(event.data) {
case YT.PlayerState.PLAYING:
console.log('DJ System: YouTube playing');
isPlaying = true;
break;
case YT.PlayerState.PAUSED:
console.log('DJ System: YouTube paused');
isPlaying = false;
break;
case YT.PlayerState.ENDED:
console.log('DJ System: YouTube ended');
isPlaying = false;
notifyFiveM('songEnded', {});
break;
case YT.PlayerState.BUFFERING:
console.log('DJ System: YouTube buffering');
break;
}
}
function onYouTubePlayerError(event) {
console.error('DJ System: YouTube error:', event.data);
let errorMessage = 'YouTube Fehler';
switch(event.data) {
case 2:
errorMessage = 'Ungültige Video ID';
break;
case 5:
errorMessage = 'HTML5 Player Fehler';
break;
case 100:
errorMessage = 'Video nicht gefunden';
break;
case 101:
case 150:
errorMessage = 'Video nicht verfügbar (Einbettung deaktiviert)';
break;
}
notifyFiveM('audioError', { error: errorMessage });
}
// Setup normaler Audio Player für direkte URLs
function setupAudioPlayer() {
audioPlayer = document.getElementById('audio-player');
if (!audioPlayer) {
audioPlayer = document.createElement('audio');
audioPlayer.id = 'audio-player';
audioPlayer.style.display = 'none';
document.body.appendChild(audioPlayer);
}
audioPlayer.addEventListener('play', () => {
isPlaying = true;
console.log('DJ System: Audio playing');
});
audioPlayer.addEventListener('pause', () => {
isPlaying = false;
console.log('DJ System: Audio paused');
});
audioPlayer.addEventListener('ended', () => {
isPlaying = false;
notifyFiveM('songEnded', {});
});
audioPlayer.addEventListener('error', (e) => {
console.error('DJ System: Audio error', e);
notifyFiveM('audioError', { error: 'Audio playback error' });
});
}
// Main message handler
window.addEventListener('message', function(event) {
const data = event.data;
switch(data.type) {
case 'playMusic':
playMusic(data.url, data.volume, data.title);
break;
case 'stopMusic':
stopMusic();
break;
case 'setVolume':
setVolume(data.volume);
break;
case 'pauseMusic':
pauseMusic();
break;
case 'resumeMusic':
resumeMusic();
break;
}
});
// Musik abspielen - YouTube oder direkte URL
async function playMusic(url, volume, title = 'Unknown') {
try {
console.log('DJ System: Playing:', title, url);
// Stoppe aktuelle Musik
stopMusic();
// Setze Lautstärke
currentVolume = volume || 50;
// Prüfe ob YouTube URL
if (isYouTubeUrl(url)) {
await playYouTubeMusic(url, volume, title);
} else {
await playDirectMusic(url, volume, title);
}
// Speichere aktuelle Song Info
currentSong = {
title: title,
url: url,
volume: volume
};
} catch (error) {
console.error('DJ System: Error playing music:', error);
notifyFiveM('audioError', { error: error.message });
}
}
// YouTube Musik abspielen
async function playYouTubeMusic(url, volume, title) {
if (!youtubeAPIReady || !youtubePlayer) {
throw new Error('YouTube Player nicht bereit');
}
const videoId = extractYouTubeVideoId(url);
if (!videoId) {
throw new Error('Ungültige YouTube URL');
}
console.log('DJ System: Playing YouTube video:', videoId);
// Lade und spiele YouTube Video
youtubePlayer.loadVideoById({
videoId: videoId,
startSeconds: 0
});
// Setze Lautstärke
youtubePlayer.setVolume(volume || 50);
// Warte kurz und starte
setTimeout(() => {
youtubePlayer.playVideo();
}, 1000);
}
// Direkte Audio URL abspielen
async function playDirectMusic(url, volume, title) {
if (!audioPlayer) {
throw new Error('Audio Player nicht verfügbar');
}
console.log('DJ System: Playing direct audio:', url);
audioPlayer.src = url;
audioPlayer.volume = (volume || 50) / 100;
audioPlayer.load();
const playPromise = audioPlayer.play();
if (playPromise !== undefined) {
await playPromise;
}
}
// Musik stoppen
function stopMusic() {
try {
// Stoppe YouTube Player
if (youtubePlayer && youtubeAPIReady) {
youtubePlayer.stopVideo();
}
// Stoppe Audio Player
if (audioPlayer) {
audioPlayer.pause();
audioPlayer.currentTime = 0;
audioPlayer.src = '';
}
isPlaying = false;
currentSong = null;
console.log('DJ System: Music stopped');
} catch (error) {
console.error('DJ System: Error stopping music:', error);
}
}
// Musik pausieren
function pauseMusic() {
try {
if (currentSong && isYouTubeUrl(currentSong.url)) {
if (youtubePlayer && youtubeAPIReady) {
youtubePlayer.pauseVideo();
}
} else if (audioPlayer) {
audioPlayer.pause();
}
} catch (error) {
console.error('DJ System: Error pausing music:', error);
}
}
// Musik fortsetzen
function resumeMusic() {
try {
if (currentSong && isYouTubeUrl(currentSong.url)) {
if (youtubePlayer && youtubeAPIReady) {
youtubePlayer.playVideo();
}
} else if (audioPlayer) {
audioPlayer.play();
}
} catch (error) {
console.error('DJ System: Error resuming music:', error);
}
}
// Lautstärke setzen
function setVolume(volume) {
try {
currentVolume = Math.max(0, Math.min(100, volume));
if (currentSong && isYouTubeUrl(currentSong.url)) {
if (youtubePlayer && youtubeAPIReady) {
youtubePlayer.setVolume(currentVolume);
}
} else if (audioPlayer) {
audioPlayer.volume = currentVolume / 100;
}
console.log('DJ System: Volume set to', currentVolume + '%');
} catch (error) {
console.error('DJ System: Error setting volume:', error);
}
}
// YouTube URL prüfen
function isYouTubeUrl(url) {
const youtubePatterns = [
/(?:youtube\.com\/watch\?v=|youtu\.be\/|youtube\.com\/embed\/)([^&\n?#]+)/,
/youtube\.com\/watch\?.*v=([^&\n?#]+)/
];
return youtubePatterns.some(pattern => pattern.test(url));
}
// YouTube Video ID extrahieren
function extractYouTubeVideoId(url) {
const patterns = [
/(?:youtube\.com\/watch\?v=|youtu\.be\/|youtube\.com\/embed\/)([^&\n?#]+)/,
/youtube\.com\/watch\?.*v=([^&\n?#]+)/
];
for (let pattern of patterns) {
const match = url.match(pattern);
if (match && match[1]) {
return match[1];
}
}
return null;
}
// FiveM benachrichtigen
function notifyFiveM(event, data) {
fetch(`https://${GetParentResourceName()}/` + event, {
method: 'POST',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify(data)
}).catch(err => {
console.error('DJ System: Failed to notify FiveM:', err);
});
}
function GetParentResourceName() {
return window.location.hostname;
}
// Debug
window.djDebug = {
getCurrentSong: () => currentSong,
getVolume: () => currentVolume,
isPlaying: () => isPlaying,
youtubeReady: () => youtubeAPIReady,
testYouTube: (videoId) => playYouTubeMusic('https://www.youtube.com/watch?v=' + videoId, 50, 'Test')
};
console.log('DJ System: YouTube streaming system loaded');
// DJ System - Professional Interface
let djInterface = {
decks: {
A: {
track: null,
isPlaying: false,
volume: 75,
pitch: 0,
cuePoint: 0,
player: null
},
B: {
track: null,
isPlaying: false,
volume: 75,
pitch: 0,
cuePoint: 0,
player: null
}
},
mixer: {
crossfader: 50,
masterVolume: 80,
eq: {
A: { high: 0, mid: 0, low: 0 },
B: { high: 0, mid: 0, low: 0 }
}
},
effects: {
reverb: false,
delay: false,
filter: false,
flanger: false,
wetDry: 0
},
currentDeck: null,
isRecording: false
};
// Initialize DJ Interface
document.addEventListener('DOMContentLoaded', function() {
initializeDJSystem();
setupEventListeners();
startAnimations();
loadYouTubeAPI();
});
function initializeDJSystem() {
console.log('DJ System: Initializing professional interface...');
// Initialize audio players
djInterface.decks.A.player = document.getElementById('audio-player-a');
djInterface.decks.B.player = document.getElementById('audio-player-b');
// Setup audio event listeners
setupAudioEventListeners();
// Initialize waveforms
initializeWaveforms();
// Start time display
updateTimeDisplay();
setInterval(updateTimeDisplay, 1000);
// Start VU meters animation
startVUMeters();
console.log('DJ System: Professional interface ready!');
}
function setupEventListeners() {
// Knob interactions
setupKnobControls();
// Keyboard shortcuts
document.addEventListener('keydown', handleKeyboardShortcuts);
// Window resize
window.addEventListener('resize', handleResize);
}
function setupKnobControls() {
const knobs = document.querySelectorAll('.knob');
knobs.forEach(knob => {
let isDragging = false;
let startY = 0;
let startRotation = 0;
knob.addEventListener('mousedown', (e) => {
isDragging = true;
startY = e.clientY;
startRotation = getCurrentRotation(knob.querySelector('.knob-indicator'));
document.body.style.cursor = 'grabbing';
e.preventDefault();
});
document.addEventListener('mousemove', (e) => {
if (!isDragging) return;
const deltaY = startY - e.clientY;
const rotation = Math.max(-150, Math.min(150, startRotation + deltaY * 2));
const indicator = knob.querySelector('.knob-indicator');
indicator.style.transform = `translateX(-50%) rotate(${rotation}deg)`;
// Update EQ values
const channel = knob.dataset.channel;
const eqType = knob.dataset.eq;
const effect = knob.dataset.effect;
if (channel && eqType) {
const value = Math.round((rotation / 150) * 100);
djInterface.mixer.eq[channel][eqType] = value;
const valueSpan = knob.parentElement.querySelector('.eq-value');
if (valueSpan) {
valueSpan.textContent = value > 0 ? `+${value}` : value;
}
applyEQ(channel, eqType, value);
}
if (effect) {
const value = Math.round(((rotation + 150) / 300) * 100);
djInterface.effects[effect] = value;
applyEffect(effect, value);
}
});
document.addEventListener('mouseup', () => {
isDragging = false;
document.body.style.cursor = 'default';
});
});
}
function getCurrentRotation(element) {
const transform = window.getComputedStyle(element).transform;
if (transform === 'none') return 0;
const matrix = transform.match(/matrix\(([^)]+)\)/);
if (!matrix) return 0;
const values = matrix[1].split(',').map(parseFloat);
const angle = Math.atan2(values[1], values[0]) * (180 / Math.PI);
return angle;
}
// Deck Functions
function loadTrackToDeck(deck) {
djInterface.currentDeck = deck;
document.getElementById('track-loader').classList.remove('hidden');
}
function confirmLoadTrack() {
const title = document.getElementById('track-title').value;
const artist = document.getElementById('track-artist').value;
const url = document.getElementById('track-url').value;
if (!title || !url) {
showNotification('Please fill in title and URL', 'error');
return;
}
const deck = djInterface.currentDeck;
const trackData = { title, artist, url };
loadTrackToPlayer(deck, trackData);
closeTrackLoader();
showNotification(`Track loaded to Deck ${deck}: ${title}`, 'success');
}
function loadTrackToPlayer(deck, trackData) {
const deckData = djInterface.decks[deck];
deckData.track = trackData;
// Update UI
document.getElementById(`track-name-${deck.toLowerCase()}`).textContent = trackData.title.substring(0, 15);
document.getElementById(`title-${deck.toLowerCase()}`).textContent = trackData.title;
document.getElementById(`artist-${deck.toLowerCase()}`).textContent = trackData.artist || 'Unknown Artist';
// Load audio
if (isYouTubeUrl(trackData.url)) {
loadYouTubeTrack(deck, trackData);
} else {
loadDirectTrack(deck, trackData);
}
// Generate waveform
generateWaveform(deck, trackData.url);
}
function loadYouTubeTrack(deck, trackData) {
const videoId = extractYouTubeVideoId(trackData.url);
if (!videoId) {
showNotification('Invalid YouTube URL', 'error');
return;
}
// Create hidden YouTube player for this deck
createYouTubePlayerForDeck(deck, videoId);
}
function loadDirectTrack(deck, trackData) {
const player = djInterface.decks[deck].player;
player.src = trackData.url;
player.load();
}
function togglePlay(deck) {
const deckData = djInterface.decks[deck];
const playBtn = document.getElementById(`play-${deck.toLowerCase()}`);
const vinyl = document.getElementById(`vinyl-${deck.toLowerCase()}`);
if (!deckData.track) {
showNotification(`No track loaded in Deck ${deck}`, 'warning');
return;
}
if (deckData.isPlaying) {
// Pause
pauseTrack(deck);
playBtn.innerHTML = '<i class="fas fa-play"></i>';
playBtn.classList.remove('playing');
vinyl.classList.remove('spinning');
deckData.isPlaying = false;
} else {
// Play
playTrack(deck);
playBtn.innerHTML = '<i class="fas fa-pause"></i>';
playBtn.classList.add('playing');
vinyl.classList.add('spinning');
deckData.isPlaying = true;
}
// Send to FiveM
notifyFiveM('deckStateChanged', {
deck: deck,
isPlaying: deckData.isPlaying,
track: deckData.track
});
}
function playTrack(deck) {
const deckData = djInterface.decks[deck];
if (deckData.youtubePlayer) {
deckData.youtubePlayer.playVideo();
} else if (deckData.player) {
deckData.player.play();
}
}
function pauseTrack(deck) {
const deckData = djInterface.decks[deck];
if (deckData.youtubePlayer) {
deckData.youtubePlayer.pauseVideo();
} else if (deckData.player) {
deckData.player.pause();
}
}
function cue(deck) {
const deckData = djInterface.decks[deck];
if (!deckData.track) {
showNotification(`No track loaded in Deck ${deck}`, 'warning');
return;
}
// Set cue point to current position or go to cue point
if (deckData.isPlaying) {
deckData.cuePoint = getCurrentTime(deck);
showNotification(`Cue point set in Deck ${deck}`, 'info');
} else {
seekTo(deck, deckData.cuePoint);
showNotification(`Jumped to cue point in Deck ${deck}`, 'info');
}
}
function adjustPitch(deck, value) {
const deckData = djInterface.decks[deck];
deckData.pitch = parseFloat(value);
document.getElementById(`pitch-value-${deck.toLowerCase()}`).textContent = `${value}%`;
// Apply pitch change (this would need audio processing)
applyPitchChange(deck, value);
}
function adjustVolume(deck, value) {
const deckData = djInterface.decks[deck];
deckData.volume = parseInt(value);
if (deckData.youtubePlayer) {
deckData.youtubePlayer.setVolume(value);
} else if (deckData.player) {
deckData.player.volume = value / 100;
}
updateVUMeter(deck, value);
}
// Crossfader (Fortsetzung)
function adjustCrossfader(value) {
djInterface.mixer.crossfader = parseInt(value);
const volumeA = value <= 50 ? 100 : (100 - (value - 50) * 2);
const volumeB = value >= 50 ? 100 : (value * 2);
// Apply crossfader mixing
applyCrossfaderMix(volumeA, volumeB);
// Visual feedback
const crossfader = document.getElementById('crossfader');
crossfader.style.background = `linear-gradient(90deg,
rgba(78, 205, 196, ${volumeA/100}) 0%,
rgba(255, 107, 107, 0.5) 50%,
rgba(78, 205, 196, ${volumeB/100}) 100%)`;
}
function applyCrossfaderMix(volumeA, volumeB) {
const deckA = djInterface.decks.A;
const deckB = djInterface.decks.B;
const finalVolumeA = (deckA.volume * volumeA / 100) / 100;
const finalVolumeB = (deckB.volume * volumeB / 100) / 100;
if (deckA.youtubePlayer) {
deckA.youtubePlayer.setVolume(finalVolumeA * 100);
} else if (deckA.player) {
deckA.player.volume = finalVolumeA;
}
if (deckB.youtubePlayer) {
deckB.youtubePlayer.setVolume(finalVolumeB * 100);
} else if (deckB.player) {
deckB.player.volume = finalVolumeB;
}
}
function adjustMasterVolume(value) {
djInterface.mixer.masterVolume = parseInt(value);
// Apply master volume to both decks
const masterMultiplier = value / 100;
Object.keys(djInterface.decks).forEach(deck => {
const deckData = djInterface.decks[deck];
const finalVolume = (deckData.volume * masterMultiplier) / 100;
if (deckData.youtubePlayer) {
deckData.youtubePlayer.setVolume(finalVolume * 100);
} else if (deckData.player) {
deckData.player.volume = finalVolume;
}
});
updateMasterVU(value);
}
function setCrossfaderCurve(type) {
document.querySelectorAll('.curve-btn').forEach(btn => btn.classList.remove('active'));
event.target.classList.add('active');
djInterface.mixer.crossfaderCurve = type;
showNotification(`Crossfader curve set to ${type}`, 'info');
}
// EQ Functions
function applyEQ(channel, eqType, value) {
const deckData = djInterface.decks[channel];
if (!deckData.audioContext) {
setupAudioContext(channel);
}
// Apply EQ filter (simplified)
console.log(`Applying ${eqType} EQ: ${value}% to Deck ${channel}`);
// Visual feedback
const knob = document.querySelector(`[data-channel="${channel}"][data-eq="${eqType}"] .knob-indicator`);
if (knob) {
const hue = value > 0 ? 120 : value < 0 ? 0 : 200;
knob.style.boxShadow = `0 0 8px hsl(${hue}, 70%, 50%)`;
}
}
// Effects Functions
function toggleEffect(effectType) {
const isActive = djInterface.effects[effectType];
djInterface.effects[effectType] = !isActive;
const btn = event.target;
btn.classList.toggle('active');
if (djInterface.effects[effectType]) {
applyEffect(effectType, 50);
showNotification(`${effectType.toUpperCase()} ON`, 'success');
} else {
removeEffect(effectType);
showNotification(`${effectType.toUpperCase()} OFF`, 'info');
}
}
function applyEffect(effectType, value) {
console.log(`Applying ${effectType} effect: ${value}%`);
// Effect processing would go here
switch(effectType) {
case 'reverb':
applyReverb(value);
break;
case 'delay':
applyDelay(value);
break;
case 'filter':
applyFilter(value);
break;
case 'flanger':
applyFlanger(value);
break;
}
}
function removeEffect(effectType) {
console.log(`Removing ${effectType} effect`);
// Remove effect processing
}
// Waveform Functions
function initializeWaveforms() {
const canvasA = document.getElementById('waveform-a');
const canvasB = document.getElementById('waveform-b');
if (canvasA && canvasB) {
drawEmptyWaveform(canvasA);
drawEmptyWaveform(canvasB);
}
}
function drawEmptyWaveform(canvas) {
const ctx = canvas.getContext('2d');
const width = canvas.width;
const height = canvas.height;
ctx.clearRect(0, 0, width, height);
// Draw center line
ctx.strokeStyle = 'rgba(78, 205, 196, 0.3)';
ctx.lineWidth = 1;
ctx.beginPath();
ctx.moveTo(0, height / 2);
ctx.lineTo(width, height / 2);
ctx.stroke();
// Draw grid
ctx.strokeStyle = 'rgba(255, 255, 255, 0.1)';
for (let i = 0; i < width; i += 20) {
ctx.beginPath();
ctx.moveTo(i, 0);
ctx.lineTo(i, height);
ctx.stroke();
}
}
function generateWaveform(deck, url) {
const canvas = document.getElementById(`waveform-${deck.toLowerCase()}`);
const ctx = canvas.getContext('2d');
// Simulate waveform generation
drawSimulatedWaveform(ctx, canvas.width, canvas.height);
}
function drawSimulatedWaveform(ctx, width, height) {
ctx.clearRect(0, 0, width, height);
const centerY = height / 2;
const gradient = ctx.createLinearGradient(0, 0, 0, height);
gradient.addColorStop(0, 'rgba(255, 107, 107, 0.8)');
gradient.addColorStop(0.5, 'rgba(78, 205, 196, 0.8)');
gradient.addColorStop(1, 'rgba(255, 107, 107, 0.8)');
ctx.fillStyle = gradient;
for (let x = 0; x < width; x += 2) {
const amplitude = Math.random() * (height / 2) * (0.3 + Math.sin(x * 0.01) * 0.7);
ctx.fillRect(x, centerY - amplitude, 2, amplitude * 2);
}
}
// VU Meters
function startVUMeters() {
setInterval(() => {
updateVUMeter('A', djInterface.decks.A.isPlaying ? Math.random() * 100 : 0);
updateVUMeter('B', djInterface.decks.B.isPlaying ? Math.random() * 100 : 0);
updateMasterVU(djInterface.mixer.masterVolume);
}, 100);
}
function updateVUMeter(deck, level) {
const vuBar = document.getElementById(`vu-${deck.toLowerCase()}`);
if (vuBar) {
vuBar.style.height = `${level}%`;
// Color based on level
if (level > 80) {
vuBar.style.background = 'linear-gradient(180deg, #ff0000, #ff6b6b)';
} else if (level > 60) {
vuBar.style.background = 'linear-gradient(180deg, #feca57, #ff6b6b)';
} else {
vuBar.style.background = 'linear-gradient(180deg, #4ecdc4, #feca57)';
}
}
}
function updateMasterVU(level) {
const masterVU = document.getElementById('master-vu');
if (masterVU) {
masterVU.style.height = `${level}%`;
}
}
// Time and BPM
function updateTimeDisplay() {
const now = new Date();
const timeString = now.toLocaleTimeString('de-DE', {
hour: '2-digit',
minute: '2-digit'
});
const timeDisplay = document.getElementById('current-time');
if (timeDisplay) {
timeDisplay.textContent = timeString;
}
// Update track times
updateTrackTimes();
// Update BPM (simulated)
updateBPMDisplay();
}
function updateTrackTimes() {
['A', 'B'].forEach(deck => {
const deckData = djInterface.decks[deck];
if (deckData.track && deckData.isPlaying) {
const currentTime = getCurrentTime(deck);
const duration = getDuration(deck);
document.getElementById(`time-elapsed-${deck.toLowerCase()}`).textContent =
formatTime(currentTime);
document.getElementById(`time-total-${deck.toLowerCase()}`).textContent =
formatTime(duration);
}
});
}
function getCurrentTime(deck) {
const deckData = djInterface.decks[deck];
if (deckData.youtubePlayer) {
return deckData.youtubePlayer.getCurrentTime() || 0;
} else if (deckData.player) {
return deckData.player.currentTime || 0;
}
return 0;
}
function getDuration(deck) {
const deckData = djInterface.decks[deck];
if (deckData.youtubePlayer) {
return deckData.youtubePlayer.getDuration() || 0;
} else if (deckData.player) {
return deckData.player.duration || 0;
}
return 0;
}
function formatTime(seconds) {
const mins = Math.floor(seconds / 60);
const secs = Math.floor(seconds % 60);
return `${mins.toString().padStart(2, '0')}:${secs.toString().padStart(2, '0')}`;
}
function updateBPMDisplay() {
// Simulate BPM detection
const bpm = 120 + Math.floor(Math.random() * 40);
const bpmDisplay = document.getElementById('bpm-display');
if (bpmDisplay) {
bpmDisplay.textContent = bpm;
}
}
// Recording Functions
function toggleRecording() {
djInterface.isRecording = !djInterface.isRecording;
const recordBtn = document.querySelector('.record-btn');
const recordTime = document.querySelector('.recording-time');
if (djInterface.isRecording) {
recordBtn.classList.add('recording');
recordBtn.innerHTML = '<i class="fas fa-stop"></i><span>STOP</span>';
startRecordingTimer();
showNotification('Recording started', 'success');
} else {
recordBtn.classList.remove('recording');
recordBtn.innerHTML = '<i class="fas fa-circle"></i><span>REC</span>';
stopRecordingTimer();
showNotification('Recording stopped', 'info');
}
}
let recordingStartTime = 0;
let recordingTimer = null;
function startRecordingTimer() {
recordingStartTime = Date.now();
recordingTimer = setInterval(() => {
const elapsed = Math.floor((Date.now() - recordingStartTime) / 1000);
const recordTime = document.querySelector('.recording-time');
if (recordTime) {
recordTime.textContent = formatTime(elapsed);
}
}, 1000);
}
function stopRecordingTimer() {
if (recordingTimer) {
clearInterval(recordingTimer);
recordingTimer = null;
}
const recordTime = document.querySelector('.recording-time');
if (recordTime) {
recordTime.textContent = '00:00';
}
}
// Search and Library Functions
function searchTracks(query) {
console.log('Searching tracks:', query);
// Simulate track search
const mockTracks = [
{ title: 'Summer Vibes', artist: 'DJ Cool', url: 'https://example.com/track1' },
{ title: 'Night Drive', artist: 'Electronic Dreams', url: 'https://example.com/track2' },
{ title: 'Bass Drop', artist: 'Heavy Beats', url: 'https://example.com/track3' },
{ title: 'Chill Out', artist: 'Ambient Sounds', url: 'https://example.com/track4' }
];
const filteredTracks = mockTracks.filter(track =>
track.title.toLowerCase().includes(query.toLowerCase()) ||
track.artist.toLowerCase().includes(query.toLowerCase())
);
displayTrackList(filteredTracks);
}
function displayTrackList(tracks) {
const trackList = document.getElementById('track-list');
trackList.innerHTML = '';
tracks.forEach(track => {
const trackItem = document.createElement('div');
trackItem.className = 'track-item';
trackItem.innerHTML = `
<div class="track-item-title">${track.title}</div>
<div class="track-item-artist">${track.artist}</div>
`;
trackItem.addEventListener('dblclick', () => {
if (djInterface.currentDeck) {
loadTrackToPlayer(djInterface.currentDeck, track);
showNotification(`${track.title} loaded to Deck ${djInterface.currentDeck}`, 'success');
}
});
trackList.appendChild(trackItem);
});
}
// Keyboard Shortcuts
function handleKeyboardShortcuts(event) {
if (event.target.tagName === 'INPUT') return;
switch(event.code) {
case 'Space':
event.preventDefault();
if (djInterface.currentDeck) {
togglePlay(djInterface.currentDeck);
}
break;
case 'KeyQ':
togglePlay('A');
break;
case 'KeyW':
togglePlay('B');
break;
case 'KeyA':
cue('A');
break;
case 'KeyS':
cue('B');
break;
case 'KeyZ':
adjustCrossfader(0); // Full A
break;
case 'KeyX':
adjustCrossfader(50); // Center
break;
case 'KeyC':
adjustCrossfader(100); // Full B
break;
case 'KeyR':
toggleRecording();
break;
}
}
// Animations
function startAnimations() {
// Vinyl spinning animation is handled by CSS
// Playhead animation
setInterval(() => {
['A', 'B'].forEach(deck => {
const deckData = djInterface.decks[deck];
if (deckData.isPlaying && deckData.track) {
updatePlayhead(deck);
}
});
}, 100);
}
function updatePlayhead(deck) {
const playhead = document.getElementById(`playhead-${deck.toLowerCase()}`);
const currentTime = getCurrentTime(deck);
const duration = getDuration(deck);
if (duration > 0) {
const progress = (currentTime / duration) * 100;
playhead.style.left = `${progress}%`;
}
}
// Modal Functions
function closeTrackLoader() {
document.getElementById('track-loader').classList.add('hidden');
// Clear form
document.getElementById('track-title').value = '';
document.getElementById('track-artist').value = '';
document.getElementById('track-url').value = '';
}
function ejectDeck(deck) {
const deckData = djInterface.decks[deck];
if (deckData.isPlaying) {
togglePlay(deck);
}
// Clear deck
deckData.track = null;
deckData.cuePoint = 0;
// Clear UI
document.getElementById(`track-name-${deck.toLowerCase()}`).textContent = 'NO TRACK';
document.getElementById(`title-${deck.toLowerCase()}`).textContent = 'No Track Loaded';
document.getElementById(`artist-${deck.toLowerCase()}`).textContent = '-';
document.getElementById(`time-elapsed-${deck.toLowerCase()}`).textContent = '00:00';
document.getElementById(`time-total-${deck.toLowerCase()}`).textContent = '00:00';
// Clear waveform
const canvas = document.getElementById(`waveform-${deck.toLowerCase()}`);
drawEmptyWaveform(canvas);
showNotification(`Deck ${deck} ejected`, 'info');
}
// Interface Control
function closeDJInterface() {
document.getElementById('dj-interface').classList.add('hidden');
// Stop all playback
['A', 'B'].forEach(deck => {
if (djInterface.decks[deck].isPlaying) {
togglePlay(deck);
}
});
// Notify FiveM
notifyFiveM('djInterfaceClosed', {});
}
function showDJInterface() {
document.getElementById('dj-interface').classList.remove('hidden');
}
// Utility Functions
function showNotification(message, type = 'info') {
console.log(`DJ System [${type.toUpperCase()}]: ${message}`);
// Create notification element
const notification = document.createElement('div');
notification.className = `notification notification-${type}`;
notification.textContent = message;
notification.style.cssText = `
position: fixed;
top: 80px;
right: 20px;
padding: 15px 20px;
border-radius: 10px;
color: white;
font-weight: 600;
z-index: 10000;
transform: translateX(100%);
transition: transform 0.3s ease;
background: ${type === 'error' ? '#ff6b6b' : type === 'success' ? '#4ecdc4' : type === 'warning' ? '#feca57' : '#45b7d1'};
box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
`;
document.body.appendChild(notification);
// Animate in
setTimeout(() => {
notification.style.transform = 'translateX(0)';
}, 100);
// Remove after 3 seconds
setTimeout(() => {
notification.style.transform = 'translateX(100%)';
setTimeout(() => {
document.body.removeChild(notification);
}, 300);
}, 3000);
}
function handleResize() {
// Handle responsive design
const djInterface = document.getElementById('dj-interface');
if (window.innerWidth < 1200) {
djInterface.classList.add('mobile-layout');
} else {
djInterface.classList.remove('mobile-layout');
}
}
// YouTube Integration (from previous code)
function isYouTubeUrl(url) {
const youtubePatterns = [
/(?:youtube\.com\/watch\?v=|youtu\.be\/|youtube\.com\/embed\/)([^&\n?#]+)/,
/youtube\.com\/watch\?.*v=([^&\n?#]+)/
];
return youtubePatterns.some(pattern => pattern.test(url));
}
function extractYouTubeVideoId(url) {
const patterns = [
/(?:youtube\.com\/watch\?v=|youtu\.be\/|youtube\.com\/embed\/)([^&\n?#]+)/,
/youtube\.com\/watch\?.*v=([^&\n?#]+)/
];
for (let pattern of patterns) {
const match = url.match(pattern);
if (match && match[1]) {
return match[1];
}
}
return null;
}
// FiveM Integration
function notifyFiveM(event, data) {
fetch(`https://${GetParentResourceName()}/${event}`, {
method: 'POST',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify(data)
}).catch(err => {
console.error('DJ System: Failed to notify FiveM:', err);
});
}
function GetParentResourceName() {
return window.location.hostname;
}
// Message Handler for FiveM
window.addEventListener('message', function(event) {
const data = event.data;
switch(data.type) {
case 'showDJInterface':
showDJInterface();
break;
case 'hideDJInterface':
closeDJInterface();
break;
case 'loadTrack':
if (data.deck && data.track) {
loadTrackToPlayer(data.deck, data.track);
}
break;
case 'setVolume':
if (data.deck && data.volume !== undefined) {
adjustVolume(data.deck, data.volume);
}
break;
}
});
// Initialize search with default tracks
document.addEventListener('DOMContentLoaded', function() {
setTimeout(() => {
searchTracks(''); // Load default tracks
}, 1000);
});
console.log('DJ System: Professional interface loaded! 🎛️');
console.log('Keyboard shortcuts:');
console.log('Q/W - Play/Pause Deck A/B');
console.log('A/S - Cue Deck A/B');
console.log('Z/X/C - Crossfader positions');
console.log('R - Toggle recording');
console.log('Space - Play/Pause current deck');