转载自:https://github.com/neoliang/FindUnUsedUITexture/blob/master/FindUnUnUsedUITexture.cs
using UnityEngine;
using UnityEditor;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
using System.Collections.Generic;
using System.Text;
using System;
public static class LinqHelper {
public static TSource Fold
(this IEnumerable
source, Func
func, TSource id)
{
TSource r = id;
foreach (var s in source)
{
r = func(r, s);
}
return r;
}
public static void ForEach
(this IEnumerable
source, Action
action) { foreach (T element in source) action(element); } public static IEnumerable
SelectI
(this IEnumerable
source, Func
action) { int i = 0; foreach (var s in source) { yield return action(s, i); i += 1; } } public static TSource Reduce
(this IEnumerable
source, Func
func) where TSource : new() { return Fold
(source, func, new TSource()); } public static void ForEachI
(this IEnumerable
source, Action
action) { int i = 0; foreach (T element in source) { action(element, i); i += 1; } } } public static class FindUnUnUsedUITexture { static List
getUUIDsInFile(string path) { StreamReader file = new StreamReader(path); List
uuids = new List
(); string line; while ((line = file.ReadLine()) != null) { var reg = new Regex(@"([a-f0-9]{32})"); var m = reg.Match(line); if (m.Success) { uuids.Add(m.Groups[0].Value); } } file.Close(); return uuids; } // Use this for initialization [MenuItem("Tools/UI冗余图片扫描")] public static void Scan() { var uiPrefabRootDir = EditorUtility.OpenFolderPanel("选择UIPrefab目录", "Assets",""); if (string.IsNullOrEmpty(uiPrefabRootDir)) { return; } var uiPicRootDir = EditorUtility.OpenFolderPanel("选择UIPrefab目录", "Assets", ""); if (string.IsNullOrEmpty(uiPicRootDir)) { return; } //find all meta and pic path var uuidReg = new Regex(@"guid: ([a-f0-9]{32})"); var pngs = Directory.GetFiles(uiPicRootDir, "*.meta", SearchOption.AllDirectories) .Select(p => "Assets/" + p.Replace('\\','/').Substring(Application.dataPath.Length+1)) .Where(p => { return p.EndsWith(".png.meta") || p.EndsWith(".jpg.meta") || p.EndsWith(".tag.meta"); }).ToList(); var uuid2path = new Dictionary
(); pngs.ForEachI((png, i) => { var matcher = uuidReg.Match(File.ReadAllText(png)); var uuid = matcher.Groups[1].Value; if (uuid2path.ContainsKey(uuid)) { Debug.LogError("uuid dup" + uuid + " \n" + png + "\n" + uuid2path[uuid]); } else { uuid2path.Add(uuid, png.Substring(0,png.Length-5)); } EditorUtility.DisplayProgressBar("扫描图片中", png, (float)i / pngs.Count); }); //find all prefab and search pic uuid var prefabs = Directory.GetFiles(uiPrefabRootDir, "*.prefab", SearchOption.AllDirectories); var anims = Directory.GetFiles("Assets/", "*.anim", SearchOption.AllDirectories).Where(p => !p.Replace('\\', '/').Contains("Characters/")); var allFiles = prefabs.Concat(anims).ToList(); var alluuids = allFiles .SelectI((f, i) => { EditorUtility.DisplayProgressBar("获取引用关系", f, (float)i / allFiles.Count); return getUUIDsInFile(f); }).ToList().Aggregate((a, b) => a.Concat(b).ToList()).ToList(); EditorUtility.ClearProgressBar(); //rm used pic uuid var uuidshashset = new HashSet
(alluuids); var em = uuidshashset.GetEnumerator(); while(em.MoveNext()) { var uuid = em.Current; uuid2path.Remove(uuid); } StringBuilder sb = new StringBuilder(); sb.Append("UnUsedFiles: "); sb.Append(uuid2path.Count); sb.Append("\n"); uuid2path.ForEach(kv => sb.Append(kv.Value +"\n")); File.WriteAllText("Assets/unusedpic.txt", sb.ToString()); EditorUtility.DisplayDialog("扫描成功", string.Format("共找到{0}个冗余图片\n请在Assets/unsedpic.txt查看结果",uuid2path.Count), "ok"); } }
