BGMAudioManager.cs

BGMAudioManager.cs

using UnityEngine;
using System.Collections;

public class BGMAudioManager : MonoBehaviour
{
    private static BGMAudioManager instance;
    public static BGMAudioManager Instance {
        get {
            if (instance == null) {
                instance = (BGMAudioManager)FindObjectOfType(typeof(BGMAudioManager));

                if (instance == null) {
                    Debug.LogError (typeof(BGMAudioManager) + "is nothing");
                }
            }

            return instance;
        }
    }

    private CustomAudioSource[] customAudioSource;
    private bool isClossFade;
    private int main = 0;
    private int sub = 1;

    void Awake()
    {
        if(this != Instance)
        {
            Destroy(this);
            return;
        }

        DontDestroyOnLoad(this.gameObject);
        this.customAudioSource = transform.GetComponentsInChildren<CustomAudioSource> ();
    }  

    /// <summary>
    /// Load the specified clip, volume, loop, fadeSpeed and fadeOutThreshold.
    /// </summary>
    /// <param name="clip">Clip.</param>
    /// <param name="volume">Volume.</param>
    /// <param name="loop">If set to <c>true</c> loop.</param>
    /// <param name="fadeSpeed">Fade speed.</param>
    /// <param name="fadeOutThreshold">Fade out threshold.</param>
    public void Load(
        AudioClip clip,
        float volume = 1.0f,
        bool loop = true,
        float fadeSpeed = 1f,
        float fadeOutThreshold = 0.1f,
        float clossFadeSpeed = 1f,
        float clossFadeOutThreshold = 0.1f,
        Transform target = null)
    {
        if (target != null) {
            this.transform.position = target.position;
        }

        this.customAudioSource [main].Load (clip, volume, loop, fadeSpeed, fadeOutThreshold);
        this.customAudioSource [sub].Load (clip, volume, loop, clossFadeSpeed, clossFadeOutThreshold);
    }

    /// <summary>
    ///   Continues fading in the current audio clip.
    /// </summary>
    public void Play(CustomAudioSource.ExecuteType executeType = CustomAudioSource.ExecuteType.Nomal)
    {
        if (isClossFade) {
            ClossFade ();
            return;
        }
        this.customAudioSource [main].Play (executeType);
    }

    /// <summary>
    ///   Stop playing the current audio clip immediately.
    /// </summary>
    public void Pause()
    {
        this.customAudioSource [main].Pause ();
        this.customAudioSource [sub].Pause ();
    }


    /// <summary>
    ///   Stop playing the current audio clip immediately.
    /// </summary>
    public void Stop(CustomAudioSource.ExecuteType executeType = CustomAudioSource.ExecuteType.Nomal)
    {
        isClossFade = false;
        this.customAudioSource [main].Stop (executeType);
        this.customAudioSource [sub].Stop (executeType);
    }

    /// <summary>
    /// Closses the fade.
    /// </summary>
    public void ClossFade()
    {
        //sub:Nextに音が入っている
        //main:音出てる
        //の両方に音が入っていない場合処理しないようにする...?

        isClossFade = true;
        this.customAudioSource [main].Stop (CustomAudioSource.ExecuteType.Fade);
        this.customAudioSource [sub].Play (CustomAudioSource.ExecuteType.Fade);
    }

    /// <summary>
    /// Lowlight this instance.
    /// </summary>
    public void LowlightIn(float lowlightThreshold = 0.2f, float lowlightFadeSpeed = 1.0f)
    {
        this.customAudioSource [main].LowlightIn (lowlightThreshold);
        this.customAudioSource [sub].LowlightIn (lowlightThreshold);
    }

    /// <summary>
    /// Lowlight this instance.
    /// </summary>
    public void LowlightOut()
    {
        this.customAudioSource [main].LowlightOut ();
        this.customAudioSource [sub].LowlightOut ();
    }

    public void EndFadingOut ()
    {
        if (!isClossFade) {
            return;
        }

        isClossFade = false;
        if (main == 1) {
            main = 0;
            sub = 1;
        } else {
            main = 1;
            sub = 0;
        }
    }
}