140 lines
3.7 KiB
C#
140 lines
3.7 KiB
C#
using System;
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using UnityEngine;
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namespace UMP
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{
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[RequireComponent(typeof(AudioSource))]
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public abstract class AudioOutput : MonoBehaviour
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{
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public enum AudioChannels
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{
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Both,
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Left,
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Right
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};
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[SerializeField]
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private AudioChannels _audioChannel;
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public AudioChannels AudioChannel
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{
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get { return _audioChannel; }
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set { _audioChannel = value; }
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}
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private int _id;
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public int Id
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{
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get { return _id; }
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}
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private AudioSource _audioSource;
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public AudioSource AudioSource
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{
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get {
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if (_audioSource == null)
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_audioSource = GetComponent<AudioSource>();
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return _audioSource;
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}
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}
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private float[] _data;
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internal float[] Data
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{
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get { return _data; }
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set
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{
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_data = value;
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if (_outputDataListener != null && _data != null)
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_outputDataListener(_data, _audioChannel);
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}
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}
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internal void Init()
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{
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_id = GetInstanceID();
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}
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public void Play()
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{
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if (_audioSource == null)
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_audioSource = GetComponent<AudioSource>();
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_audioSource.Play();
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}
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public void Pause()
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{
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if (_audioSource == null)
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_audioSource = GetComponent<AudioSource>();
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_audioSource.Pause();
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}
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public void Stop()
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{
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if (_audioSource == null)
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_audioSource = GetComponent<AudioSource>();
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_audioSource.Stop();
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}
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public void RemoveAllListeners()
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{
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if (_audioFilterReadListener != null)
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{
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foreach (Action<int, float[], AudioChannels> eh in _audioFilterReadListener.GetInvocationList())
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_audioFilterReadListener -= eh;
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}
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if (_outputDataListener != null)
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{
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foreach (Action<float[], AudioChannels> eh in _outputDataListener.GetInvocationList())
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_outputDataListener -= eh;
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}
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}
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private event Action<float[], AudioChannels> _outputDataListener;
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public event Action<float[], AudioChannels> OutputDataListener
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{
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add
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{
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_outputDataListener = (Action<float[], AudioChannels>)Delegate.Combine(_outputDataListener, value);
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}
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remove
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{
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if (_outputDataListener != null)
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_outputDataListener = (Action<float[], AudioChannels>)Delegate.Remove(_outputDataListener, value);
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}
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}
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private event Action<int, float[], AudioChannels> _audioFilterReadListener;
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internal event Action<int, float[], AudioChannels> AudioFilterReadListener
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{
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add
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{
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_audioFilterReadListener = (Action<int, float[], AudioChannels>)Delegate.Combine(_audioFilterReadListener, value);
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}
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remove
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{
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if (_audioFilterReadListener != null)
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_audioFilterReadListener = (Action<int, float[], AudioChannels>)Delegate.Remove(_audioFilterReadListener, value);
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}
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}
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/// Native Unity "AudioSource" callback
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private void OnAudioFilterRead(float[] data, int nbChannels)
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{
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if (_audioFilterReadListener != null)
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_audioFilterReadListener(Id, data, _audioChannel);
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}
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}
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}
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