GameInit

public/music.js

@@ -0,0 +1,160 @@
+// Music playlist manager
+(function() {
+  'use strict';
+  
+  const MUSIC_FOLDER = 'music/';
+  const PLAYLIST = [
+    'Knights Of The Old Republic II - The Sith Lords — The Temple of Freedon Nadd (www.lightaudio.ru).mp3',
+    'Soundtrack — StarWars (www.lightaudio.ru) (1).mp3',
+    'Soundtrack — Starwars (www.lightaudio.ru).mp3',
+    'StarWars — Across The Stars Love Theme (www.lightaudio.ru).mp3'
+  ];
+  
+  let currentAudio = null;
+  let currentTrackIndex = -1;
+  let playedTracks = [];
+  let volume = 0.5;
+  let isPlaying = false;
+  let isEnabled = true;
+  
+  function getRandomTrack() {
+    if (playedTracks.length >= PLAYLIST.length) {
+      playedTracks = [];
+    }
+    let available = PLAYLIST.filter((_, i) => !playedTracks.includes(i));
+    if (available.length === 0) {
+      playedTracks = [];
+      available = PLAYLIST;
+    }
+    const randomIndex = Math.floor(Math.random() * available.length);
+    const trackName = available[randomIndex];
+    const trackIndex = PLAYLIST.indexOf(trackName);
+    playedTracks.push(trackIndex);
+    return { trackName, trackIndex };
+  }
+  
+  function loadTrack(trackName) {
+    return new Promise((resolve, reject) => {
+      const audio = new Audio(MUSIC_FOLDER + trackName);
+      audio.volume = volume;
+      audio.addEventListener('loadeddata', () => resolve(audio));
+      audio.addEventListener('error', (e) => reject(e));
+      audio.load();
+    });
+  }
+  
+  function playNext() {
+    if (!isEnabled) return;
+    
+    if (currentAudio) {
+      currentAudio.pause();
+      currentAudio = null;
+    }
+    
+    const { trackName, trackIndex } = getRandomTrack();
+    currentTrackIndex = trackIndex;
+    
+    loadTrack(trackName)
+      .then((audio) => {
+        currentAudio = audio;
+        currentAudio.volume = volume;
+        currentAudio.addEventListener('ended', () => {
+          playNext();
+        });
+        currentAudio.addEventListener('error', () => {
+          console.warn('Failed to load track:', trackName);
+          playNext();
+        });
+        currentAudio.play().catch((e) => {
+          console.warn('Failed to play track:', e);
+        });
+        isPlaying = true;
+        updateUI();
+      })
+      .catch((e) => {
+        console.warn('Failed to load track:', trackName, e);
+        playNext();
+      });
+  }
+  
+  function stop() {
+    if (currentAudio) {
+      currentAudio.pause();
+      currentAudio = null;
+    }
+    isPlaying = false;
+    updateUI();
+  }
+  
+  function setVolume(newVolume) {
+    volume = Math.max(0, Math.min(1, newVolume));
+    if (currentAudio) {
+      currentAudio.volume = volume;
+    }
+    localStorage.setItem('musicVolume', volume.toString());
+    updateUI();
+  }
+  
+  function toggle() {
+    isEnabled = !isEnabled;
+    localStorage.setItem('musicEnabled', isEnabled.toString());
+    if (isEnabled && !isPlaying) {
+      playNext();
+    } else if (!isEnabled) {
+      stop();
+    }
+    updateUI();
+  }
+  
+  function updateUI() {
+    const volumeSlider = document.getElementById('music-volume-slider');
+    const volumeValue = document.getElementById('music-volume-value');
+    const musicToggle = document.getElementById('music-toggle');
+    
+    if (volumeSlider) {
+      volumeSlider.value = volume;
+    }
+    if (volumeValue) {
+      volumeValue.textContent = Math.round(volume * 100) + '%';
+    }
+    if (musicToggle) {
+      musicToggle.textContent = isEnabled ? 'Выключить' : 'Включить';
+      musicToggle.classList.toggle('active', isEnabled);
+    }
+  }
+  
+  function init() {
+    const savedVolume = localStorage.getItem('musicVolume');
+    if (savedVolume !== null) {
+      volume = parseFloat(savedVolume);
+    } else {
+      volume = 0.5;
+    }
+    
+    const savedEnabled = localStorage.getItem('musicEnabled');
+    if (savedEnabled !== null) {
+      isEnabled = savedEnabled === 'true';
+    } else {
+      isEnabled = true;
+    }
+    
+    updateUI();
+    
+    if (isEnabled) {
+      setTimeout(() => {
+        playNext();
+      }, 500);
+    }
+  }
+  
+  window.Music = {
+    play: playNext,
+    stop: stop,
+    setVolume: setVolume,
+    toggle: toggle,
+    getVolume: () => volume,
+    isEnabled: () => isEnabled,
+    isPlaying: () => isPlaying,
+    init: init
+  };
+})();