利用反射在Unity的EditorMode下播放音频_unityeditor.audioutil-优快云博客

本文链接：https://blog.youkuaiyun.com/u012534774/article/details/52505763

这篇博客介绍了如何在Unity的EditorMode下利用反射技术来播放音频。通过获取并调用UnityEditor.AudioUtil类的私有方法，实现AudioClip的播放、停止、暂停、恢复、循环等操作，以及音频状态查询和其他相关音频处理功能。

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using System;
using System.Reflection;
using UnityEditor;
using UnityEngine;

namespace UnityEditor {
	public static class AudioUtility {

		public static void PlayClip(AudioClip clip , int startSample , bool loop) {
			Assembly unityEditorAssembly = typeof(AudioImporter).Assembly;
			Type audioUtilClass = unityEditorAssembly.GetType("UnityEditor.AudioUtil");
			MethodInfo method = audioUtilClass.GetMethod(
				"PlayClip",
				BindingFlags.Static | BindingFlags.Public,
				null,
				new System.Type[] {
				typeof(AudioClip),
				typeof(Int32),
				typeof(Boolean)
			},
			null
			);
			method.Invoke(
				null,
				new object[] {
				clip,
				startSample,
				loop
			}
			);
		}

		public static void PlayClip(AudioClip clip , int startSample) {
			Assembly unityEditorAssembly = typeof(AudioImporter).Assembly;
			Type audioUtilClass = unityEditorAssembly.GetType("UnityEditor.AudioUtil");
			MethodInfo method = audioUtilClass.GetMethod(
				"PlayClip",
				BindingFlags.Static | BindingFlags.Public,
				null,
				new System.Type[] {
				typeof(AudioClip),
				typeof(Int32)
			},
			null
			);
			method.Invoke(
				null,
				new object[] {
				clip,
				startSample
			}
			);
		}

		public static void PlayClip(AudioClip clip) {
			Assembly unityEditorAssembly = typeof(AudioImporter).Assembly;
			Type audioUtilClass = unityEditorAssembly.GetType("UnityEditor.AudioUtil");
			MethodInfo method = audioUtilClass.GetMethod(
				"PlayClip",
				BindingFlags.Static | BindingFlags.Public,
				null,
				new System.Type[] {
				typeof(AudioClip)
			},
			null
			);
			method.Invoke(
				null,
				new object[] {
				clip
			}
			);
		}
		
		public static void StopClip(AudioClip clip) {
			Assembly unityEditorAssembly = typeof(AudioImporter).Assembly;
			Type audioUtilClass = unityEditorAssembly.GetType("UnityEditor.AudioUtil");
			MethodInfo method = audioUtilClass.GetMethod(
				"StopClip",
				BindingFlags.Static | BindingFlags.Public,
				null,
				new System.Type[] {
				typeof(AudioClip)
			},
			null
			);
			method.Invoke(
				null,
				new object[] {
				clip
			}
			);
		}
		
		public static void PauseClip(AudioClip clip) {
			Assembly unityEditorAssembly = typeof(AudioImporter).Assembly;
			Type audioUtilClass = unityEditorAssembly.GetType("UnityEditor.AudioUtil");
			MethodInfo method = audioUtilClass.GetMethod(
				"PauseClip",
				BindingFlags.Static | BindingFlags.Public,
				null,
				new System.Type[] {
				typeof(AudioClip)
			},
			null
			);
			method.Invoke(
				null,
				new object[] {
				clip
			}
			);
		}
		
		public static void ResumeClip(AudioClip clip) {
			Assembly unityEditorAssembly = typeof(AudioImporter).Assembly;
			Type audioUtilClass = unityEditorAssembly.GetType("UnityEditor.AudioUtil");
			MethodInfo method = audioUtilClass.GetMethod(
				"ResumeClip",
				BindingFlags.Static | BindingFlags.Public,
				null,
				new System.Type[] {
				typeof(AudioClip)
			},
			null
			);
			method.Invoke(
				null,
				new object[] {
				clip
			}
			);
		}

		public static void LoopClip(AudioClip clip , bool on) {
			Assembly unityEditorAssembly = typeof(AudioImporter).Assembly;
			Type audioUtilClass = unityEditorAssembly.GetType("UnityEditor.AudioUtil");
			MethodInfo method = audioUtilClass.GetMethod(
				"LoopClip",
				BindingFlags.Static | BindingFlags.Public,
				null,
				new System.Type[] {
				typeof(AudioClip),
				typeof(bool)
			},
			null
			);
			method.Invoke(
				null,
				new object[] {
				clip,
				on
			}
			);
		}

		public static bool IsClipPlaying(AudioClip clip) {
			Assembly unityEditorAssembly = typeof(AudioImporter).Assembly;
			Type audioUtilClass = unityEditorAssembly.GetType("UnityEditor.AudioUtil");
			MethodInfo method = audioUtilClass.GetMethod(
				"IsClipPlaying",
				BindingFlags.Static | BindingFlags.Public
				);
			
			bool playing = (bool)method.Invoke(
				null,
				new