93 lines
2.7 KiB
C#
93 lines
2.7 KiB
C#
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using UnityEngine;
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/// <summary>
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/// 音频管理器：管理背景音乐和步骤语音解说。
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/// 挂在场景 GameObject 上，通过 AudioSource 组件播放。
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/// </summary>
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[RequireComponent(typeof(AudioSource))]
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public class AudioManager : MonoBehaviour
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{
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public static AudioManager Instance { get; private set; }
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[Header("音频源")]
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[SerializeField] private AudioSource _bgmSource;
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[SerializeField] private AudioSource _voiceSource;
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[Header("背景音乐")]
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public AudioClip BGMClip;
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[Range(0f, 1f)] public float BGMVolume = 0.3f;
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private void Awake()
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{
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if (Instance != null) { Destroy(gameObject); return; }
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Instance = this;
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DontDestroyOnLoad(gameObject);
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if (_bgmSource == null) _bgmSource = GetComponent<AudioSource>();
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if (_voiceSource == null)
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{
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_voiceSource = gameObject.AddComponent<AudioSource>();
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_voiceSource.playOnAwake = false;
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_voiceSource.loop = false;
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}
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}
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private void Start()
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{
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PlayBGM();
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}
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public void PlayBGM()
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{
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if (_bgmSource == null || BGMClip == null) return;
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_bgmSource.clip = BGMClip;
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_bgmSource.volume = BGMVolume;
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_bgmSource.loop = true;
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_bgmSource.Play();
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}
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public void StopBGM()
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{
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if (_bgmSource != null) _bgmSource.Stop();
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}
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/// <summary>播放一步语音解说，自动打断前一条</summary>
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public void PlayVoice(AudioClip clip, float volume = 1f)
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{
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if (_voiceSource == null || clip == null) return;
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_voiceSource.Stop();
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_voiceSource.clip = clip;
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_voiceSource.volume = volume;
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_voiceSource.Play();
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}
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/// <summary>停止语音</summary>
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public void StopVoice()
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{
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if (_voiceSource != null) _voiceSource.Stop();
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}
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/// <summary>按文件名从 StreamingAssets 加载并播放语音</summary>
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public void PlayVoiceFromFile(string fileName)
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{
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if (string.IsNullOrEmpty(fileName)) return;
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StartCoroutine(LoadAndPlayVoice(fileName));
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}
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private System.Collections.IEnumerator LoadAndPlayVoice(string fileName)
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{
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string path = System.IO.Path.Combine(Application.streamingAssetsPath, "Voice", fileName);
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using var www = UnityEngine.Networking.UnityWebRequestMultimedia.GetAudioClip(path, AudioType.WAV);
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yield return www.SendWebRequest();
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if (www.result == UnityEngine.Networking.UnityWebRequest.Result.Success)
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{
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var clip = UnityEngine.Networking.DownloadHandlerAudioClip.GetContent(www);
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PlayVoice(clip);
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}
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else
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{
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Debug.LogWarning($"AudioManager: 加载语音失败 {path}");
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}
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}
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}
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