（Unity）批量修改图片压缩工具

redhat9i · 发表于 2021-12-21 18:10

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

public class ChangeTexSettingWindow :EditorWindow
{

enum TargetPlatform
{
      Standalone,
      IOS,
      Android
}
[MenuItem(&#34;Tools/ChangeTexSettingsWindow&#34;)]
public static void OpenChangeTexSettingsWindow()
{
      ChangeTexSettingWindow window = EditorWindow.CreateInstance<ChangeTexSettingWindow>();
      window.Show();
}

string TexPath;
string TexSuffix = &#34;*.bmp|*.jpg|*.gif|*.png|*.tif|*.psd&#34;;
TargetPlatform SelectPlatform = TargetPlatform.Android;
TextureImporterFormat WithAlpha = TextureImporterFormat.ASTC_4x4;
TextureImporterFormat WithoutAlpha = TextureImporterFormat.PVRTC_RGB4;
private void OnGUI()
{
      GUILayout.BeginHorizontal();
      TexPath = EditorGUILayout.TextField(&#34;图片资源路径&#34;, TexPath);
      if (GUILayout.Button(EditorGUIUtility.IconContent(&#34;Folder Icon&#34;), GUILayout.Width(18), GUILayout.Height(18)))
      {
         TexPath = EditorUtility.OpenFolderPanel(&#34;图片路径选择&#34;, &#34;&#34;, &#34;&#34;);
      }
      GUILayout.EndHorizontal();
      GUI.enabled = false;
      GUILayout.BeginHorizontal();
      TexSuffix = EditorGUILayout.TextField(&#34;图片格式&#34;, TexSuffix);
      GUILayout.EndHorizontal();
      GUI.enabled = true;
      GUILayout.BeginHorizontal();
      SelectPlatform = (TargetPlatform)Enum.Parse(typeof(TargetPlatform), EditorGUILayout.EnumPopup(&#34;选择目标平台&#34;, SelectPlatform).ToString());
      GUILayout.EndHorizontal();
      GUILayout.BeginHorizontal();
      WithAlpha = (TextureImporterFormat)Enum.Parse(typeof(TextureImporterFormat), EditorGUILayout.EnumPopup(&#34;有Alpha通道&#34;, WithAlpha).ToString());
      GUILayout.EndHorizontal();
      GUILayout.BeginHorizontal();
      WithoutAlpha = (TextureImporterFormat)Enum.Parse(typeof(TextureImporterFormat), EditorGUILayout.EnumPopup(&#34;没有Alpha通道&#34;, WithoutAlpha).ToString());
      GUILayout.EndHorizontal();
      GUILayout.BeginHorizontal();
      if (GUILayout.Button(&#34;转换&#34;))
      {
         if (string.IsNullOrEmpty(TexPath) || !Directory.Exists(TexPath))
         {
            EditorUtility.DisplayDialog(&#34;错误&#34;, &#34;路径不能为空或路径不存在&#34;, &#34;确定&#34;);
            return;
         }
         if (string.IsNullOrEmpty(TexSuffix))
         {
            EditorUtility.DisplayDialog(&#34;错误&#34;, &#34;路径不能为空或路径不存在&#34;, &#34;确定&#34;);
            return;
         }
         List<string> lst = GetAllTexPaths(TexPath);
         TextureImporterPlatformSettings settings = new TextureImporterPlatformSettings();
         settings.name = SelectPlatform.ToString();
         settings.crunchedCompression = true;
         settings.overridden = true;
         int i = 0;
         EditorUtility.DisplayProgressBar(&#34;修改&#34;, &#34;修改图片格式&#34;, 0);
         for (; i < lst.Count; i++)
         {
            Change(lst, settings);
            EditorUtility.DisplayProgressBar(&#34;转换&#34;, string.Format(&#34;修改图片格式 {0}/{1}&#34;, i, lst.Count), i / (float)lst.Count);
         }
         AssetDatabase.SaveAssets();
         EditorUtility.ClearProgressBar();
      }
      GUILayout.EndHorizontal();
}
private void Change(string path, TextureImporterPlatformSettings platformSettings)
{
      path = path.Substring(path.IndexOf(&#34;Assets&#34;));
      try
      {
         TextureImporter textureImporter = AssetImporter.GetAtPath(path) as TextureImporter;
         if (textureImporter.DoesSourceTextureHaveAlpha())
         {
            platformSettings.format = WithAlpha;
         }
         else
         {
            platformSettings.format = WithoutAlpha;
         }
         textureImporter.SetPlatformTextureSettings(platformSettings);
         textureImporter.SaveAndReimport();
         AssetDatabase.ImportAsset(path);
      }
      catch
      {
         AssetDatabase.SaveAssets();
         EditorUtility.ClearProgressBar();
      }
}

private List<string> GetAllTexPaths(string rootPath)
{
      List<string> lst = new List<string>();
      string[] types = TexSuffix.Split(&#39;|&#39;);
      for (int i = 0; i < types.Length; i++)
      {
         lst.AddRange(Directory.GetFiles(rootPath, types, SearchOption.AllDirectories));
      }
      return lst;
}
}那个图片格式不知道怎么正则匹配，所以先这么写了

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（Unity） 批量修改图片压缩工具

（Unity）批量修改图片压缩工具