kelompok06-2048/2048_Audio.js
Jevinca Marvella 677ad4ab06 Comment section
2025-12-16 02:06:46 +07:00

244 lines
9.0 KiB
JavaScript

/* ==========================================
2048 AUDIO - SOUND MANAGEMENT SYSTEM
==========================================
fitur:
1. 3 Audio objects (bg, pop, merge)
2. Volume control terpisah untuk setiap audio
3. Icon dinamis sesuai level volume
4. Panel volume dengan inputLock integration
========================================== */
/* ==========================================
AUDIO OBJECTS
========================================== */
const audio = {
bg: new Audio("Background_Music.mp3"), // Background music
pop: new Audio("Pop.mp3"), // Sound saat tile spawn
merge: new Audio("Merge.mp3") // Sound saat tile merge
};
audio.bg.loop = true; // Background music loop terus
/* ==========================================
UPDATE VOLUME DARI STATE & SLIDERS
========================================== */
function updateAudioVolumes() {
// Formula: volume = enabled ? (slider / 100) : 0
audio.bg.volume = soundState.bg ? (volumeState.music / 100) : 0;
audio.pop.volume = soundState.pop ? (volumeState.pop / 100) : 0;
audio.merge.volume = soundState.merge ? (volumeState.merge / 100) : 0;
}
/* ==========================================
PLAY BACKGROUND MUSIC (dengan unlock)
========================================== */
function tryPlayBg() {
if (!soundState.bg || volumeState.music === 0) return;
// Coba play, kalau di-block browser (autoplay policy)
audio.bg.play().catch(() => {
// Setup unlock: tunggu user interaction
const unlock = () => {
if (soundState.bg && volumeState.music > 0) audio.bg.play().catch(()=>{});
window.removeEventListener("keydown", unlock);
window.removeEventListener("click", unlock);
};
window.addEventListener("keydown", unlock, { once: true });
window.addEventListener("click", unlock, { once: true });
});
}
/* ==========================================
PLAY SOUND (dengan mute check)
========================================== */
function playSound(soundObj) {
try {
// Guard: cek mute state sebelum play
if (soundObj === audio.pop && (!soundState.pop || volumeState.pop === 0)) return;
if (soundObj === audio.merge && (!soundState.merge || volumeState.merge === 0)) return;
if (soundObj === audio.bg && (!soundState.bg || volumeState.music === 0)) return;
soundObj.currentTime = 0; // Restart dari awal
soundObj.play().catch(() => {}); // Play with error handling
} catch (e) {}
}
/* ==========================================
INIT VOLUME SLIDERS - Setup Event Listeners
========================================== */
function initVolumeControl() {
updateAudioVolumes();
const musicSlider = document.getElementById('vol-music');
const popSlider = document.getElementById('vol-pop');
const mergeSlider = document.getElementById('vol-merge');
/* --- MUSIC SLIDER --- */
if (musicSlider) {
// Load nilai dari localStorage
musicSlider.value = volumeState.music;
updateSliderFill(musicSlider, volumeState.music);
document.getElementById('vol-music-display').textContent = volumeState.music + '%';
// Event listener saat slider digeser
musicSlider.addEventListener('input', (e) => {
const val = parseInt(e.target.value);
volumeState.music = val; // Update state
audio.bg.volume = val / 100; // Set volume langsung
localStorage.setItem('vol_music', val); // Save ke browser
document.getElementById('vol-music-display').textContent = val + '%';
updateSliderFill(e.target, val); // Update visual fill
updateMainSoundIcon(); // Update icon
// Auto play/pause background music
if (val > 0 && audio.bg.paused && soundState.bg) {
tryPlayBg(); // Play kalau volume > 0
} else if (val === 0) {
audio.bg.pause(); // Pause kalau volume = 0 (muted)
}
});
}
/* --- POP SLIDER (sama seperti music) --- */
if (popSlider) {
popSlider.value = volumeState.pop;
updateSliderFill(popSlider, volumeState.pop);
document.getElementById('vol-pop-display').textContent = volumeState.pop + '%';
popSlider.addEventListener('input', (e) => {
const val = parseInt(e.target.value);
volumeState.pop = val;
audio.pop.volume = val / 100;
localStorage.setItem('vol_pop', val);
document.getElementById('vol-pop-display').textContent = val + '%';
updateSliderFill(e.target, val);
updateMainSoundIcon();
});
}
/* --- MERGE SLIDER (sama seperti music) --- */
if (mergeSlider) {
mergeSlider.value = volumeState.merge;
updateSliderFill(mergeSlider, volumeState.merge);
document.getElementById('vol-merge-display').textContent = volumeState.merge + '%';
mergeSlider.addEventListener('input', (e) => {
const val = parseInt(e.target.value);
volumeState.merge = val;
audio.merge.volume = val / 100;
localStorage.setItem('vol_merge', val);
document.getElementById('vol-merge-display').textContent = val + '%';
updateSliderFill(e.target, val);
updateMainSoundIcon();
});
}
updateMainSoundIcon();
setupVolumePanelEvents(); // Setup panel interactions
}
/* ==========================================
SETUP PANEL EVENTS - Open/Close Logic
==========================================
Ini yang nge-link dengan inputLocked di Controls
========================================== */
function setupVolumePanelEvents() {
const btnSoundMain = document.getElementById('btn-sound-main');
const volumePanel = document.getElementById('volume-panel');
const volumeBackdrop = document.getElementById('volume-backdrop');
if (btnSoundMain && volumePanel) {
// Event: Klik tombol sound main
btnSoundMain.addEventListener('click', (e) => {
e.stopPropagation(); // Jangan trigger event di parent
const isActive = volumePanel.classList.contains('active');
if (isActive) {
// TUTUP PANEL
volumePanel.classList.remove('active');
if (volumeBackdrop) volumeBackdrop.classList.remove('active');
inputLocked = false; // UNLOCK - game input aktif lagi
} else {
// BUKA PANEL
volumePanel.classList.add('active');
if (volumeBackdrop) volumeBackdrop.classList.add('active');
inputLocked = true; // LOCK - blokir swipe & keyboard
}
});
// Event: Klik backdrop (tutup panel)
volumeBackdrop.addEventListener('click', () => {
volumePanel.classList.remove('active');
volumeBackdrop.classList.remove('active');
inputLocked = false; // UNLOCK
});
// Event: Klik di luar panel (desktop)
document.addEventListener('click', (e) => {
if (!volumePanel.contains(e.target) &&
!btnSoundMain.contains(e.target) &&
(!volumeBackdrop || !volumeBackdrop.contains(e.target))) {
volumePanel.classList.remove('active');
if (volumeBackdrop) volumeBackdrop.classList.remove('active');
inputLocked = false; // UNLOCK
}
});
// Event: Klik di dalam panel (jangan tutup)
volumePanel.addEventListener('click', (e) => {
e.stopPropagation(); // Prevent close
});
}
}
/* ==========================================
UPDATE VISUAL FILL SLIDER
========================================== */
function updateSliderFill(slider, value) {
// Set CSS custom property untuk animasi fill
// Dipakai di CSS: background: linear-gradient(...)
slider.style.setProperty('--value', value + '%');
}
/* ==========================================
UPDATE ICON DINAMIS - Sesuai Volume Level
========================================== */
function updateMainSoundIcon() {
const btnMain = document.getElementById('btn-sound-main');
if (!btnMain) return;
// Ambil semua icon
const iconFull = btnMain.querySelector('.sound-full');
const iconMedium = btnMain.querySelector('.sound-medium');
const iconLow = btnMain.querySelector('.sound-low');
const iconMuted = btnMain.querySelector('.sound-muted');
// Hitung rata-rata volume dari 3 slider
const totalVolume = volumeState.music + volumeState.pop + volumeState.merge;
const avgVolume = totalVolume / 3;
// Hide semua icon dulu
if (iconFull) iconFull.style.display = 'none';
if (iconMedium) iconMedium.style.display = 'none';
if (iconLow) iconLow.style.display = 'none';
if (iconMuted) iconMuted.style.display = 'none';
// Show icon yang sesuai dengan level volume
if (totalVolume === 0) {
// Semua muted
if (iconMuted) iconMuted.style.display = 'block';
btnMain.classList.add('all-muted');
} else {
btnMain.classList.remove('all-muted');
if (avgVolume >= 60) {
// Volume tinggi (≥60%)
if (iconFull) iconFull.style.display = 'block';
} else if (avgVolume >= 30) {
// Volume sedang (30-59%)
if (iconMedium) iconMedium.style.display = 'block';
} else {
// Volume rendah (1-29%)
if (iconLow) iconLow.style.display = 'block';
}
}
}