add standalone feature

Author: JasonXuDeveloper

UnityProject/Packages/com.jasonxudeveloper.jengine.core/Editor/CustomEditor/Panel.cs

@@ -30,6 +30,7 @@
 using HybridCLR.Editor.Commands;
 using HybridCLR.Editor.Settings;
 using JEngine.Core.Encrypt;
+using JEngine.Core.Update;
 using Nino.Core;
 using Obfuz.Settings;
 using Obfuz4HybridCLR;
@@ -628,7 +629,9 @@ private ScriptableBuildParameters CreateBuildParameters(int packageVersion)
                     EditorSceneManager.OpenScene(_settings.startUpScenePath);
                 }
 
-                copyOption = _settings.packageName == FindObjectOfType<Bootstrap>().packageName
+                var bootstrap = FindObjectOfType<Bootstrap>();
+                copyOption = _settings.packageName == bootstrap.packageName ||
+                             bootstrap.targetPlatform == TargetPlatform.Standalone
                     ? EBuildinFileCopyOption.ClearAndCopyAll
                     : EBuildinFileCopyOption.None;
             }

UnityProject/Packages/com.jasonxudeveloper.jengine.core/Runtime/Bootstrap.cs

@@ -483,6 +483,20 @@ private async UniTask<bool> UpdatePackageImpl(ResourcePackage package,
 #endif
                             break;
                         }
+                        case TargetPlatform.Standalone:
+                        {
+                            var fileSystemParams = FileSystemParameters.CreateDefaultBuildinFileSystemParameters(
+                                bundleConfig.Decryption);
+                            fileSystemParams.AddParameter(FileSystemParametersDefine.MANIFEST_SERVICES,
+                                manifestRestoration);
+
+                            initParameters = new OfflinePlayModeParameters
+                            {
+                                BuildinFileSystemParameters = fileSystemParams
+                            };
+
+                            break;
+                        }
                         case TargetPlatform.WeChat:
                         {
                             YooAssets.SetOperationSystemMaxTimeSlice(100);

UnityProject/Packages/com.jasonxudeveloper.jengine.core/Runtime/Update/TargetPlatform.cs

@@ -28,6 +28,7 @@ namespace JEngine.Core.Update
     public enum TargetPlatform
     {
         Regular,
+        Standalone,
         WeChat,
         Douyin,
         Alipay,