691 lines
18 KiB
Plaintext
691 lines
18 KiB
Plaintext
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using UnityEngine;
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using System.Collections;
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using System.Collections.Generic;
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[RequireComponent(typeof(AudioSource))]
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public class HajiyevMusicManager : MonoBehaviour {
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#region Public Inspector Attributes
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[Tooltip("Clips to play")]
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public List<AudioClip> playList;
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[Tooltip("Keep playing this clip till clip is changed")]
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public bool repeat = false;
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[Tooltip("When clip is done, go to next clip")]
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public bool autoAdvance = true;
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[Tooltip("When end of playlist is reached, go back to start on advance")]
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public bool recycle = true;
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[Tooltip("Begin playing first clip as soon as the MusicManager instantiates")]
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public bool playOnAwake = false;
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[Tooltip("If nonzero, fade in on resume from pause or change track from middle of song for that many seconds")]
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[Range(0f, 10f)]
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public float fadeInTime = 0.5f;
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[Tooltip("If nonzero, fade out on pause or change track from middle of song for that many seconds")]
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[Range(0f, 10f)]
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public float fadeOutTime = 1f;
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[Tooltip("Volume control")]
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[Range(0f, 1f)]
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public float volume = 0.5f;
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[Tooltip("If true, on awake, load audioclips from resources directories into playlist")]
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public bool loadFromResources = true;
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[Tooltip("If true, use as a Singleton class and don't destroy when scene is changed")]
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public bool dontDestroyOnLoad = true;
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#endregion
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#region Public Scripted Setup
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/// <summary>
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/// Remove all clips from playlist
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/// </summary>
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public void ClearPlayList() {
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playList.Clear();
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}
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/// <summary>
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/// Add a clip to the end of the playlist
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/// </summary>
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/// <param name="clip"></param>
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public void AddToPlayList(AudioClip clip) {
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playList.Add(clip);
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}
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/// <summary>
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/// Remove selected track from playlist (0 is first track)
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/// </summary>
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/// <param name="index"></param>
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public void RemoveFromPlayList(int index) {
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playList.RemoveAt(index);
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}
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/// <summary>
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/// Load given clip from resources folder(s) into playlist
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/// </summary>
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/// <param name="name"></param>
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/// <returns>False if clip could not be loaded</returns>
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public bool LoadClipFromResources(string name) {
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AudioClip clip = Resources.Load<AudioClip>(name);
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if (clip) {
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playList.Add(clip);
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return true;
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}
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return false;
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}
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/// <summary>
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/// Load all clips in resources folders into playlist, but without duplication
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/// </summary>
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/// <param name="path">optional subfolder of resources folder</param>
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/// <returns>Number of unique clips added to playlist</returns>
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public int LoadClipsFromResources(string path="") {
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AudioClip[] clips = Resources.LoadAll<AudioClip>(path);
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int count = 0;
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foreach(AudioClip clip in clips) {
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if (!playList.Contains(clip)) {
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count++;
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playList.Add(clip);
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}
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}
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return count;
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}
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/// <summary>
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/// Get the audioclip at specified track in playlist (0 is first track)
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/// </summary>
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/// <param name="index"></param>
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/// <returns></returns>
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public AudioClip GetPlayListClip(int index) {
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if (index >= 0 && index < GetPlayListLength()) {
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return playList[index];
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} else {
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return null;
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}
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}
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/// <summary>
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/// Get the number of tracks in the playlist
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/// </summary>
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/// <returns></returns>
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public int GetPlayListLength() {
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return playList.Count;
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}
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/// <summary>
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/// Set the fade-in time when resuming from pause
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/// </summary>
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/// <param name="time"></param>
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public void SetFadeIn(float time) {
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if (time < 0 || time > 10) {
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throw new UnityException("Fade in time out of range: " + time);
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}
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fadeInTime = time;
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}
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/// <summary>
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/// Set the fade-out time when pausing or stopping in the middle of a clip
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/// </summary>
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/// <param name="time"></param>
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public void SetFadeOut(float time) {
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if (time < 0 || time > 10) {
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throw new UnityException("Fade out time out of range: " + time);
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}
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fadeOutTime = time;
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}
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/// <summary>
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/// Adjust the volume control, from 0 to 1 (use 1 for "turn it up to eleven")
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/// </summary>
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/// <param name="amount"></param>
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public void SetVolume(float amount) {
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volume = Mathf.Clamp(amount, 0, 1);
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}
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/// <summary>
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/// Set autoadvance (like a CD player, next track when this track finishes),
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/// only works if not repeating current track.
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/// </summary>
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public void AutoAdvance() {
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autoAdvance = true;
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}
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/// <summary>
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/// Unset autoadvance, stop playing when track ends
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/// </summary>
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public void NoAutoAdvance() {
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autoAdvance = false;
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}
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/// <summary>
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/// Repeat current track until manually changed
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/// </summary>
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public void Repeat() {
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repeat = true;
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}
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/// <summary>
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/// Don't repeat track--advance or stop when track is done
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/// </summary>
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public void NoRepeat() {
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repeat = false;
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}
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/// <summary>
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/// Repeat playlist from beginning when end is reached
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/// </summary>
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public void Recycle() {
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recycle = true;
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}
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/// <summary>
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/// Stop playing when end of playlist is reached
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/// </summary>
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public void NoRecycle() {
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recycle = false;
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}
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#endregion
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#region Public Controls
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/// <summary>
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/// Toggle between playing and pausing of current track
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/// </summary>
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public void PlayPauseToggle() {
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if (!IsPlaying()) {
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Play();
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} else {
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Pause();
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}
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}
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/// <summary>
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/// Toggle the Repeat (loop this track) flag
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/// </summary>
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public void ToggleRepeat() {
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if (repeat) {
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NoRepeat();
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} else {
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Repeat();
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}
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}
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/// <summary>
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/// Toggle the Recycle (loop the whole playlist) flag
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/// </summary>
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public void ToggleRecycle() {
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if (recycle) {
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NoRecycle();
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} else {
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Recycle();
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}
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}
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/// <summary>
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/// Increment the volume
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/// </summary>
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public void VolumeUp(float amount = 0.05f) {
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SetVolume(volume + amount);
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}
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/// <summary>
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/// Decrement the volume
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/// </summary>
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public void VolumeDown(float amount = 0.05f) {
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SetVolume(volume - amount);
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}
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/// <summary>
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/// Toggle between muting and playing at last-set volume
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/// </summary>
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public void ToggleMute() {
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if (saveVolume < 0) {
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SendControlMessage(Message.MusicManager_Mute);
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saveVolume = volume;
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SetVolume(0);
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} else {
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SendControlMessage(Message.MusicManager_UnMute);
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SetVolume(saveVolume);
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saveVolume = -1;
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}
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}
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/// <summary>
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/// Start playing, or resume from pause
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/// </summary>
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public void Play() {
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SendControlMessage(Message.MusicManager_Play);
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if (!IsPlaying()) {
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if (IsPaused()) {
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ResumeFromPause();
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audioSource.time = saveTime;
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} else {
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saveTime = 0;
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Rewind();
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ResumeFromPause();
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audioSource.time = 0;
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}
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}
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}
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/// <summary>
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/// Stop playing, but don't lose place in clip
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/// </summary>
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public void Pause() {
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SendControlMessage(Message.MusicManager_Pause);
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saveTime = 0;
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if (IsPlaying()) {
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isPlaying = false;
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Fade(volume, 0, fadeOutTime);
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saveTime = audioSource.time;
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}
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}
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/// <summary>
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/// Go back to beginning of playlist
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/// </summary>
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public void Rewind() {
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if (IsPlaying()) {
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Pause();
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SetTrack(0);
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Play();
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} else {
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SetTrack(0);
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Pause();
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}
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}
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/// <summary>
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/// Go back to beginning of clip
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/// </summary>
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public void RewindClip() {
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if (IsPlaying()) {
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Pause();
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audioSource.time = 0;
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Play();
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} else {
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audioSource.time = 0;
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Pause();
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}
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}
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/// <summary>
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/// Stop playing and rewind to beginning of playlist
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/// </summary>
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public void Stop() {
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Pause();
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Rewind();
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}
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/// <summary>
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/// Stop playing and rewind to beginning of clip
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/// </summary>
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public void StopClip() {
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Pause();
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Invoke("RewindClip", fadeOutTime);
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}
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/// <summary>
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/// Advance to next song on playlist.
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/// </summary>
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public void Next() {
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if (IsPlaying()) {
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Pause();
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SetTrack(NextTrack());
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Play();
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} else {
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SetTrack(NextTrack());
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Pause();
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}
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}
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/// <summary>
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/// Go back to previous song on playlist
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/// </summary>
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public void Previous() {
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if (IsPlaying()) {
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Pause();
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SetTrack(PreviousTrack());
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Play();
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} else {
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SetTrack(PreviousTrack());
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Pause();
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}
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}
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/// <summary>
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/// Advance a bit in the song
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/// </summary>
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/// <param name="seconds"></param>
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public void MoveForward(float seconds = 10f) {
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if (IsPlaying()) {
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Pause();
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if (audioSource.clip) {
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audioSource.time = Mathf.Clamp(audioSource.time + seconds, 0, audioSource.clip.length);
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}
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Play();
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} else {
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if (audioSource.clip) {
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audioSource.time = Mathf.Clamp(audioSource.time + seconds, 0, audioSource.clip.length);
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}
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}
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}
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/// <summary>
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/// Go back a bit in the song
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/// </summary>
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/// <param name="seconds"></param>
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public void MoveBackward(float seconds = 10f) {
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if (IsPlaying()) {
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Pause();
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if (audioSource.clip) {
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audioSource.time = Mathf.Clamp(audioSource.time - seconds, 0, audioSource.clip.length);
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}
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Play();
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} else {
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if (audioSource.clip) {
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audioSource.time = Mathf.Clamp(audioSource.time - seconds, 0, audioSource.clip.length);
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}
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}
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}
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/// <summary>
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/// Reorder the playlist randomly
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/// </summary>
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public void Shuffle() {
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if (IsPlaying()) {
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Stop();
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//reorder playlist
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Randomize(playList);
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Play();
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} else if (IsPaused()) {
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Stop();
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//reorder playlist
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Randomize(playList);
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} else {
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Randomize(playList);
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}
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}
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#endregion
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#region Public Queries
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/// <summary>
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/// Track number playing (from 0 to number of tracks - 1)
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/// </summary>
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/// <returns></returns>
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public int CurrentTrackNumber() {
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return trackNumber;
|
||
|
|
}
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Audio clip now playing (even if paused)
|
||
|
|
/// </summary>
|
||
|
|
/// <returns></returns>
|
||
|
|
public AudioClip NowPlaying() {
|
||
|
|
return playList[trackNumber];
|
||
|
|
}
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// True if there is a current clip and it is not paused
|
||
|
|
/// </summary>
|
||
|
|
/// <returns></returns>
|
||
|
|
public bool IsPlaying() {
|
||
|
|
return isPlaying;
|
||
|
|
}
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// True if there is a current clip and it is paused
|
||
|
|
/// </summary>
|
||
|
|
/// <returns></returns>
|
||
|
|
public bool IsPaused() {
|
||
|
|
return !IsPlaying() && CurrentTrackNumber() >= 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Time into the current clip
|
||
|
|
/// </summary>
|
||
|
|
/// <returns></returns>
|
||
|
|
public float TimeInSeconds() {
|
||
|
|
return audioSource.time;
|
||
|
|
}
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Length of the current clip, or 0 if no clip
|
||
|
|
/// </summary>
|
||
|
|
/// <returns></returns>
|
||
|
|
public float LengthInSeconds() {
|
||
|
|
if (!audioSource.clip) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
return audioSource.clip.length;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endregion
|
||
|
|
|
||
|
|
|
||
|
|
#region Internal Manager State
|
||
|
|
private AudioSource audioSource;
|
||
|
|
|
||
|
|
int trackNumber = -1; //negative means no active track
|
||
|
|
|
||
|
|
bool isPlaying = false;
|
||
|
|
|
||
|
|
float fadeStartVolume;
|
||
|
|
float fadeEndVolume;
|
||
|
|
float fadeTime = 0;
|
||
|
|
float fadeStartTime;
|
||
|
|
float saveVolume = -1;
|
||
|
|
float saveTime = 0;
|
||
|
|
|
||
|
|
|
||
|
|
#endregion
|
||
|
|
|
||
|
|
#region Internal Singleton
|
||
|
|
private static HajiyevMusicManager _instance;
|
||
|
|
|
||
|
|
public static HajiyevMusicManager instance {
|
||
|
|
get {
|
||
|
|
if (_instance == null) {//in case not awake yet
|
||
|
|
_instance = FindObjectOfType<HajiyevMusicManager>();
|
||
|
|
}
|
||
|
|
return _instance;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void Awake() {
|
||
|
|
// if the singleton hasn't been initialized yet
|
||
|
|
if (dontDestroyOnLoad) {
|
||
|
|
if (_instance != null && _instance != this) {
|
||
|
|
Debug.LogError("Duplicate singleton " + this.gameObject + " created; destroying it now");
|
||
|
|
Destroy(this.gameObject);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (_instance != this) {
|
||
|
|
_instance = this;
|
||
|
|
DontDestroyOnLoad(this.gameObject);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
_instance = this;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endregion
|
||
|
|
|
||
|
|
#region Internal Methods
|
||
|
|
// Use this for initialization
|
||
|
|
void Start() {
|
||
|
|
audioSource = GetComponent<AudioSource>();
|
||
|
|
audioSource.loop = repeat && !autoAdvance;
|
||
|
|
audioSource.playOnAwake = false;
|
||
|
|
audioSource.volume = volume;
|
||
|
|
if (loadFromResources) {
|
||
|
|
LoadClipsFromResources();
|
||
|
|
}
|
||
|
|
Rewind();
|
||
|
|
if (playOnAwake) {
|
||
|
|
Play();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Update is called once per frame
|
||
|
|
void Update() {
|
||
|
|
if (fadeTime > 0) {
|
||
|
|
SetFadeVolume();
|
||
|
|
} else {
|
||
|
|
audioSource.volume = volume;
|
||
|
|
}
|
||
|
|
if (isPlaying && !audioSource.isPlaying && audioSource.time == 0) {
|
||
|
|
ClipFinished();
|
||
|
|
}
|
||
|
|
audioSource.loop = repeat;
|
||
|
|
}
|
||
|
|
|
||
|
|
void SetFadeVolume() {
|
||
|
|
fadeEndVolume = Mathf.Clamp(fadeEndVolume, 0, volume);//in case volume control adjusted
|
||
|
|
//during fade
|
||
|
|
float t = (Time.time - fadeStartTime) / fadeTime;
|
||
|
|
if (t >= 1) {
|
||
|
|
fadeTime = 0;
|
||
|
|
if (fadeEndVolume == 0) {
|
||
|
|
audioSource.Stop();
|
||
|
|
audioSource.time = saveTime;
|
||
|
|
}
|
||
|
|
audioSource.volume = volume;
|
||
|
|
} else {
|
||
|
|
audioSource.volume = (1 - t) * fadeStartVolume + t * fadeEndVolume;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void ClipFinished() {
|
||
|
|
if (autoAdvance) {
|
||
|
|
Next();
|
||
|
|
} else {
|
||
|
|
Pause();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void ResumeFromPause() {
|
||
|
|
if (CurrentTrackNumber() >= 0) {
|
||
|
|
isPlaying = true;
|
||
|
|
Fade(0, volume, fadeInTime);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void SetTrack(int trackNum) {
|
||
|
|
if (CurrentTrackNumber() != trackNum) {
|
||
|
|
SendControlMessage(Message.MusicManager_ChangeTrack);
|
||
|
|
}
|
||
|
|
saveTime = 0;
|
||
|
|
if (GetPlayListLength() == 0) {
|
||
|
|
trackNumber = -1;
|
||
|
|
} else if (trackNum >= 0 && trackNum < GetPlayListLength()) {
|
||
|
|
trackNumber = trackNum;
|
||
|
|
} else if (recycle) {
|
||
|
|
trackNumber = (trackNum % GetPlayListLength() + GetPlayListLength()) % GetPlayListLength();
|
||
|
|
} else {
|
||
|
|
trackNumber = -1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
int NextTrack() {
|
||
|
|
int trackNum = trackNumber + 1;
|
||
|
|
if (trackNum >= 0 && trackNum < GetPlayListLength()) {
|
||
|
|
return trackNum;
|
||
|
|
} else if (recycle) {
|
||
|
|
return (trackNum % GetPlayListLength() + GetPlayListLength()) % GetPlayListLength();
|
||
|
|
} else {
|
||
|
|
Stop();
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
int PreviousTrack() {
|
||
|
|
int trackNum = trackNumber - 1;
|
||
|
|
if (trackNum >= 0 && trackNum < GetPlayListLength()) {
|
||
|
|
return trackNum;
|
||
|
|
} else if (recycle) {
|
||
|
|
return (trackNum % GetPlayListLength() + GetPlayListLength()) % GetPlayListLength();
|
||
|
|
} else {
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void Fade(float startVolume, float endVolume, float time) {
|
||
|
|
if (audioSource.isPlaying) {
|
||
|
|
fadeStartTime = Time.time;
|
||
|
|
fadeStartVolume = startVolume;
|
||
|
|
fadeEndVolume = endVolume;
|
||
|
|
fadeTime = time;
|
||
|
|
audioSource.volume = startVolume;
|
||
|
|
|
||
|
|
if (startVolume == 0) {
|
||
|
|
audioSource.Stop();
|
||
|
|
audioSource.clip = NowPlaying();
|
||
|
|
audioSource.Play();
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if (startVolume == 0) {
|
||
|
|
audioSource.clip = NowPlaying();
|
||
|
|
audioSource.volume = endVolume;
|
||
|
|
audioSource.Play();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void Randomize(List<AudioClip> list) {
|
||
|
|
for (int i = 0; i < list.Count - 1 /*because random(a,a) is inclusive*/; i++) {
|
||
|
|
int j = Random.Range(i + 1, list.Count);
|
||
|
|
AudioClip tmp = list[i];
|
||
|
|
list[i] = list[j];
|
||
|
|
list[j] = tmp;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endregion
|
||
|
|
|
||
|
|
#region Messages
|
||
|
|
[Tooltip("Send control messages like MusicManager_Play, etc., to scripts in user-supplied parent game objects (advanced)")]
|
||
|
|
public bool sendControlMessagesUpward = false;
|
||
|
|
|
||
|
|
[Tooltip("Send control messages like MusicManager_Play, etc., to scripts in user-supplied child game objects (advanced)")]
|
||
|
|
public bool sendControlMessagesDownward = false;
|
||
|
|
|
||
|
|
[Tooltip("Send control messages like MusicManager_Play, etc., to user-supplied scripts in this game object (advanced)")]
|
||
|
|
public bool sendControlMessagesToThisGameObject = true;
|
||
|
|
|
||
|
|
[Tooltip("Log control messages like MusicManager_Play, etc., to the Unity console or the executable's log file")]
|
||
|
|
public bool logControlMessages = false;
|
||
|
|
|
||
|
|
void SendControlMessage(Message message) {
|
||
|
|
string message_string = message.ToString();
|
||
|
|
if (sendControlMessagesUpward) {
|
||
|
|
SendMessageUpwards(message_string, SendMessageOptions.DontRequireReceiver);
|
||
|
|
}
|
||
|
|
if (sendControlMessagesDownward) {
|
||
|
|
BroadcastMessage(message_string, SendMessageOptions.DontRequireReceiver);
|
||
|
|
}
|
||
|
|
if (sendControlMessagesToThisGameObject) {
|
||
|
|
SendMessage(message_string, SendMessageOptions.DontRequireReceiver);
|
||
|
|
}
|
||
|
|
if (logControlMessages) {
|
||
|
|
Debug.Log("Control Message: \"" + message_string + "\"");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private enum Message {
|
||
|
|
MusicManager_Play,
|
||
|
|
MusicManager_Pause,
|
||
|
|
MusicManager_Mute,
|
||
|
|
MusicManager_UnMute,
|
||
|
|
MusicManager_ChangeTrack
|
||
|
|
}
|
||
|
|
|
||
|
|
#endregion
|
||
|
|
|
||
|
|
}
|