Unity编辑器扩展之Project视图扩展

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Unity编辑器扩展之Project视图扩展      

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一、EditorApplication.projectChanged 之自动更新资源依赖报告

使用 EditorApplication.projectChanged 可以在项目资源发生变化时自动执行一些功能。下面展示如何使用这个事件在Unity项目中实现一个简单但实用的功能：自动更新资源依赖报告。

当项目资源变化时自动生成一份资源依赖报告，列出哪些资源被哪些其他资源依赖。这在进行资源优化或清理时非常有用。

using UnityEditor;
using UnityEngine;
using System.Collections.Generic;
using System.IO;

[InitializeOnLoad]
public static class DependencyReportGenerator
{
   
    private const string ReportPath = "Assets/DependencyReport.txt";

    static DependencyReportGenerator()
    {
   
        EditorApplication.projectChanged += OnProjectChanged;
    }

    private static void OnProjectChanged()
    {
   
        Debug.Log("项目资源发生变化，正在生成依赖报告...");

        Dictionary<string, List<string>> dependencyMap = GenerateDependencys();

        GenerateReport(dependencyMap);

        Debug.Log("依赖报告生成完毕。");
    }

    /// 

    /// 生成依赖项
    /// 
    private static Dictionary<string, List<string>> GenerateDependencys()
    {
   
        string[] allAssetGuids = AssetDatabase.FindAssets("");

        Dictionary<string, List<string>> dependencyMap = new Dictionary<string, List<string>>();

        foreach (string guid in allAssetGuids)
        {
   
            string assetPath = AssetDatabase.GUIDToAssetPath(guid);
            string[] dependencies = AssetDatabase.GetDependencies(assetPath, false);

            foreach (string dependency in dependencies)
            {
   
                if (!dependencyMap.ContainsKey(dependency))
                {
   
                    dependencyMap[dependency] = new List<string>();
                }

                dependencyMap[dependency].Add(assetPath);
            }
        }

        return dependencyMap;
    }

    /// 

    /// 生成报告
    /// 
    private static void GenerateReport(Dictionary<string, List<string>> dependencyMap)
    {
   
        using (StreamWriter writer = new StreamWriter(ReportPath))
        {
   
            foreach (var kvp in dependencyMap)
            {
   
                writer.WriteLine($"资源：{
     kvp.Key}"