UI update 02

Assets/Editor/DlcPackageBuilderEditor.cs

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+#if UNITY_EDITOR
+using System;
+using System.IO;
+using System.IO.Compression;
+using UnityEditor;
+using UnityEngine;
+
+public static class DlcPackageBuilderEditor
+{
+    private const string PackageExtension = "bsnkdlc";
+
+    [MenuItem("Bansonic/DLC/Build .bsnkdlc From Folder")]
+    private static void BuildPackageFromFolder()
+    {
+        string sourceFolder = EditorUtility.OpenFolderPanel("选择 DLC 源文件夹", Application.dataPath, string.Empty);
+        if (string.IsNullOrWhiteSpace(sourceFolder) || !Directory.Exists(sourceFolder))
+        {
+            return;
+        }
+
+        string defaultName = new DirectoryInfo(sourceFolder).Name + "." + PackageExtension;
+        string outputPath = EditorUtility.SaveFilePanel("保存 .bsnkdlc", Path.GetDirectoryName(sourceFolder), defaultName, PackageExtension);
+        if (string.IsNullOrWhiteSpace(outputPath))
+        {
+            return;
+        }
+
+        try
+        {
+            BuildArchive(sourceFolder, outputPath);
+            EditorUtility.DisplayDialog("DLC 打包完成", "已生成：\n" + outputPath, "确定");
+        }
+        catch (Exception ex)
+        {
+            Debug.LogError("[DLC] Build .bsnkdlc failed: " + ex);
+            EditorUtility.DisplayDialog("DLC 打包失败", ex.Message, "确定");
+        }
+    }
+
+    private static void BuildArchive(string sourceFolder, string outputPath)
+    {
+        if (File.Exists(outputPath))
+        {
+            File.Delete(outputPath);
+        }
+
+        string tempZipPath = outputPath + ".tmpzip";
+        if (File.Exists(tempZipPath))
+        {
+            File.Delete(tempZipPath);
+        }
+
+        try
+        {
+            using (FileStream stream = new FileStream(tempZipPath, FileMode.CreateNew, FileAccess.ReadWrite, FileShare.None))
+            using (ZipArchive archive = new ZipArchive(stream, ZipArchiveMode.Create))
+            {
+                string[] files = Directory.GetFiles(sourceFolder, "*", SearchOption.AllDirectories);
+                for (int i = 0; i < files.Length; i++)
+                {
+                    string filePath = files[i];
+                    string relativePath = filePath.Substring(sourceFolder.Length).TrimStart(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar);
+                    relativePath = relativePath.Replace('\\', '/');
+                    archive.CreateEntryFromFile(filePath, relativePath, System.IO.Compression.CompressionLevel.Optimal);
+                }
+            }
+
+            File.Move(tempZipPath, outputPath);
+            AssetDatabase.Refresh();
+        }
+        finally
+        {
+            if (File.Exists(tempZipPath))
+            {
+                File.Delete(tempZipPath);
+            }
+        }
+    }
+}
+#endif

Assets/Editor/DlcPackageBuilderEditor.cs.meta

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+fileFormatVersion: 2
+guid: 31641bdabfdff814dbdbdefacf70b4bf