From

门面模式

image.png

功能：
AudioSource

1.能够重复利用AudioSource(objPool)
2.无限扩展
3.去除多余的AudioSource

AudioClips

1.管理类
2.加载到内存中
3.通过名字查找到对应的片段

---

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
/// <summary>
/// source管理类
/// 初始化3个source
/// 不够用时new，闲置时调用释放方法Release释放source
/// </summary>
public class SourcesManager {

GameObject ower;

List<AudioSource> allSources;
/// <summary>
/// 初始化3个source
/// </summary>
/// <param name="tmpOwer"></param>
public SourcesManager(GameObject tmpOwer)
{
    this.ower = tmpOwer;

    allSources = new List<AudioSource>();

    for (int i = 0; i < 3; i++)
    {
        AudioSource tmpSource = ower.AddComponent<AudioSource>();

        allSources.Add(tmpSource);
    }


}

/// <summary>
/// 获取闲置的source
/// </summary>
/// <returns></returns>
public AudioSource GetFreeAudio()
{
    for (int i = 0; i < allSources.Count; i++)
    {
        if (!allSources[i].isPlaying)
        {
            return allSources[i];
        }
    }
    AudioSource tmpSource = new AudioSource();
    allSources.Add(tmpSource);

    return tmpSource; ;
}
/// <summary>
/// 释放
/// </summary>
public void Release()
{
    int tmpCount = 0;

    List<AudioSource> tmpAudio = new List<AudioSource>();


    for (int i = 0; i < allSources.Count; i++)
    {
        if (!allSources[i].isPlaying)
        {
            tmpCount++;
            if (tmpCount > 3)
            {
                tmpAudio.Add(allSources[i]);
            }
        }
    }
    if (tmpAudio.Count > 0)
    {
        for (int i = 0; i < tmpAudio.Count; i++)
        {
            //在集合中删除
            allSources.Remove(tmpAudio[i]);
            //在场景中删除
            GameObject.Destroy(tmpAudio[i]);
        }
        
    }
    tmpAudio.Clear();
}
/// <summary>
/// 通过music名字获取正在使用的source
/// </summary>
/// <param name="musicName"></param>
/// <returns></returns>
public AudioSource GetAudioSource(string musicName)
{
    for (int i = 0; i < allSources.Count; i++)
    {
        if (allSources[i].isPlaying && allSources[i].clip.name.Equals(musicName))
        {
            return allSources[i];
        }
    }
    return null;
}

/// <summary>
/// 通过music名字停止相应的source
/// </summary>
/// <param name="musicName"></param>
public void StopMusic(string musicName)
{
    AudioSource tmpSource = GetAudioSource(musicName);

    if (tmpSource != null)
    {
        tmpSource.Stop();
    }
}

}

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
/// <summary>
/// 单个clip管理类
/// 对单个clip进行操作
/// </summary>
public class SingleClip {

AudioClip myClip;

AudioSource source;

public SingleClip(AudioClip tmpClip)
{
    myClip = tmpClip;
}

public void Play(AudioSource tmpSource)
{
    source = tmpSource;

    source.clip = myClip;

    source.Play();
}

}

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
/// <summary>
/// clip管理类
/// </summary>
public class ClipsManager {

public SingleClip[] allClips;


/// <summary>
/// 这里文件名要通过读写txt得到，给数组
/// </summary>
public string[] clipsName = { "", "", "" };

public ClipsManager() {
    Init();
}



/// <summary>
/// 初始化SingleClip，把要用的clip加载到内存
/// 
/// </summary>
public void Init()
{
    allClips = new SingleClip[clipsName.Length];

    for (int i = 0; i < clipsName.Length; i++)
    {
        AudioClip tmpClip= Resources.Load(clipsName[i]) as AudioClip;

        allClips[i] = new SingleClip(tmpClip);
    }
}

/// <summary>
/// 获取clip的索引
/// </summary>
/// <param name="clipName">名字</param>
/// <returns>返回索引</returns>
public int GetClipIndex(string clipName)
{
    for (int i = 0; i < clipName.Length; i++)
    {
        if (clipName.Equals(clipName[i]))
        {
            return i;
        }
    }
    return -1;
}
/// <summary>
/// 获取clip
/// </summary>
/// <param name="clipName"></param>
/// <returns>SingleClip</returns>
public SingleClip GetClip(string clipName)
{
    int tmpIndex = GetClipIndex(clipName);
    if (tmpIndex != -1)
    {
        return allClips[tmpIndex];
    }
    else
    {
        return null;
    }
}

}

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
/// <summary>
/// 管理类
/// 外部使用此类来完成一些操作
/// </summary>
public class AudioManager : MonoBehaviour {

public static AudioManager Instance;

SourcesManager sourceManager;

ClipsManager clipManager;
private void Awake()
{
    Instance = this;
    sourceManager = new SourcesManager(gameObject);
    clipManager = new ClipsManager();
}
public void Play(string musicName)
{
    AudioSource tmpSource = sourceManager.GetFreeAudio();

    SingleClip tmpSingle = clipManager.GetClip(musicName);

    tmpSingle.Play(tmpSource);
}
public void Stop(string musicName)
{       sourceManager.StopMusic(musicName);
}    

}

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
/// <summary>
/// 使用audio类
/// </summary>
public class UseAudio : MonoBehaviour {

// Update is called once per frame
void Update () {
    if (Input.GetKey(KeyCode.A))
    {
        AudioManager.Instance.Play("");
    }
    if (Input.GetKey(KeyCode.B))
    {
        AudioManager.Instance.Stop("");
    }
}

}