AssetDatabase.IsDirectoryMonitoringEnabled

返回值

bool 当启用目录监视时返回 true。否则返回 false。

描述

报告目录监视是否已启用。

在首选项设置中或使用脚本（EditorPrefs.SetBool("DirectoryMonitoring", boolValue)）打开或关闭目录监视。
可以使用命令行标志 [[-DisableDirectoryMonitor]] 禁用目录监视，并且当 Unity 检测到项目中的符号链接时，会自动禁用目录监视。

using UnityEngine;
using UnityEditor;
using UnityEngine.Profiling;
using System.IO;

public class DirectoryMonitoringTest
{
    [MenuItem("AssetDatabase/Directory Monitoring Test")]
    static void DirectoryMonitoringBenchmark()
    {
        var BenchmarkCount = 1;

        //Disabling the Directory Monitoring will use a brute force scanning method to evaluate which files in the project have been changed, and is much slower
        EditorPrefs.SetBool("DirectoryMonitoring", false);
        Debug.Log("Is Directory Monitoring Enabled? - " + AssetDatabase.IsDirectoryMonitoringEnabled());

        Benchmark(BenchmarkCount);
        BenchmarkCount++;

        EditorPrefs.SetBool("DirectoryMonitoring", true);
        Debug.Log("Is Directory Monitoring Enabled? - " + AssetDatabase.IsDirectoryMonitoringEnabled());
        Benchmark(BenchmarkCount);
    }

    //This test will show faster scan time when using Directory Monitoring
    static void Benchmark(int BenchmarkCount)
    {
        var relativePath = "Assets/test_file01.txt";
        if (!File.Exists(relativePath))
        {
            using (StreamWriter sw = File.CreateText(relativePath))
            {
                sw.WriteLine("Hello");
                sw.WriteLine("And");
                sw.WriteLine("Welcome");
            }
        }

        Profiler.BeginSample("Benchmark " + BenchmarkCount); ;
        AssetDatabase.ImportAsset(relativePath);
        Profiler.EndSample();

        AssetDatabase.DeleteAsset(relativePath);
        AssetDatabase.Refresh();
    }
}