using System;
using UnityEngine;
using UnityEngine.Audio;
using wf;

[RequireComponent(typeof(AudioSource))]
public class OVRLipSyncMicInput : MonoBehaviour
{
	public float SourceVolume
	{
		get
		{
			return this.sourceVolume;
		}
		set
		{
			this.sourceVolume = Mathf.Clamp(value, 0f, 1f);
		}
	}

	public float MicFrequency
	{
		get
		{
			return (float)this.micFrequency;
		}
		set
		{
			this.micFrequency = (int)Mathf.Clamp(value, 0f, 96000f);
		}
	}

	private OVRLipSync.VariableData m_Variable
	{
		get
		{
			return GameMain.Instance.LipSyncMgr.Variable;
		}
	}

	public void Init(Maid maid)
	{
		if (!this.audioSource)
		{
			this.audioSource = base.GetComponent<AudioSource>();
		}
		if (!this.audioSource)
		{
			return;
		}
		this.TargetMaid = maid;
		this.audioSource.loop = true;
		this.audioSource.mute = false;
		this.m_orijinMixer = this.audioSource.outputAudioMixerGroup;
		this.m_outputMixer = Resources.Load<AudioMixerGroup>("OvrLipSync/MicInput");
		this.audioSource.outputAudioMixerGroup = this.m_outputMixer.audioMixer.FindMatchingGroups("MicInput")[0];
		this.lipsyncContext = base.GetComponent<OVRLipSyncContextBase>();
		this.micFrequency = OVRLipSync.SamplingRate;
		if (Microphone.devices.Length != 0)
		{
			this.selectedDevice = Microphone.devices[0].ToString();
			this.micSelected = true;
			this.GetMicCaps();
		}
	}

	private void OnDestroy()
	{
		if (this.audioSource)
		{
			this.audioSource.outputAudioMixerGroup = this.m_orijinMixer;
		}
	}

	private void Update()
	{
		if (!Microphone.IsRecording(this.selectedDevice))
		{
			this.StartMicrophone();
		}
		this.m_outputMixer.audioMixer.SetFloat("OutVolume", (!this.m_Variable.Mute) ? Utility.VolumeToDecibel(this.m_Variable.MicVolume) : -80f);
	}

	private void OnApplicationFocus(bool focus)
	{
		this.focused = focus;
		if (!this.focused)
		{
			this.StopMicrophone();
		}
	}

	private void OnApplicationPause(bool focus)
	{
		this.focused = focus;
		if (!this.focused)
		{
			this.StopMicrophone();
		}
	}

	private void OnDisable()
	{
		this.StopMicrophone();
	}

	private void OnEnable()
	{
		this.StartMicrophone();
	}

	public void GetMicCaps()
	{
		if (!this.micSelected)
		{
			return;
		}
		Microphone.GetDeviceCaps(this.selectedDevice, out this.minFreq, out this.maxFreq);
		if (this.minFreq == 0 && this.maxFreq == 0)
		{
			Debug.LogWarning("GetMicCaps warning:: min and max frequencies are 0");
			this.minFreq = 44100;
			this.maxFreq = 44100;
		}
		if (this.micFrequency > this.maxFreq)
		{
			this.micFrequency = this.maxFreq;
		}
	}

	public void StartMicrophone()
	{
		if (!this.micSelected)
		{
			return;
		}
		this.audioSource.clip = Microphone.Start(this.selectedDevice, true, 10, this.micFrequency);
		while (Microphone.GetPosition(this.selectedDevice) <= 0)
		{
		}
		this.audioSource.Play();
	}

	public void StopMicrophone()
	{
		if (!this.micSelected)
		{
			return;
		}
		if (this.audioSource != null && this.audioSource.clip != null && this.audioSource.clip.name == "Microphone")
		{
			this.audioSource.Stop();
		}
		Microphone.End(this.selectedDevice);
	}

	public const int RECORD = 10;

	public Maid TargetMaid;

	public AudioSource audioSource;

	[SerializeField]
	private float sourceVolume = 100f;

	[SerializeField]
	private int micFrequency = 44100;

	public string selectedDevice;

	public float loudness;

	private bool micSelected;

	private int minFreq;

	private int maxFreq;

	private bool focused = true;

	private OVRLipSyncContextBase lipsyncContext;

	private AudioMixerGroup m_orijinMixer;

	private AudioMixerGroup m_outputMixer;
}