Code cleanup + Fix extension methods aren't overriding

Author: neon-nyan

SharedStatic.V1Ext.cs

@@ -21,21 +21,21 @@ internal unsafe delegate HResult GetCurrentDiscordPresenceInfoDelegate(void*
 /// <summary>
 /// Inherited <see cref="SharedStatic"/> with additional supports for API extensions which require call or property access to derived exports.
 /// </summary>
-public partial class SharedStaticV1Ext<T> : SharedStaticV1Ext where T : SharedStatic, new()
+public partial class SharedStaticV1Ext<T> : SharedStaticV1Ext
+    where T : SharedStaticV1Ext<T>, new()
 {
-    private static readonly SharedStaticV1Ext<T> ThisExtensionExport;
+    private static T ThisExtensionExport { get; }
 
     static SharedStaticV1Ext()
     {
-        ThisExtensionExport = new SharedStaticV1Ext<T>();
+        ThisExtensionExport = new T();
 
         /* ----------------------------------------------------------------------
          * Plugin extension exports
          * ----------------------------------------------------------------------
          * These exports are optional and can be removed if it's not necessarily
          * used. These optional exports are included under additional
-         * functionalities used as a subset of v0.1, which is called "update1"
-         * feature sets.
+         * functionalities used as a subset of v0.1 API standard.
          */
         InitExtension_Update1Exports();
         InitExtension_Update2Exports();

SharedStatic.V1Ext_Update2.cs

@@ -40,15 +40,15 @@ private static unsafe HResult GetCurrentDiscordPresenceInfo(void* presetConfigP,
             }
 
 #if MANUALCOM
-            IPluginPresetConfig? presetConfig = ComWrappers.ComInterfaceDispatch.GetInstance<IPluginPresetConfig>((ComWrappers.ComInterfaceDispatch*)presetConfigP);
+            IPluginPresetConfig presetConfig = ComWrappers.ComInterfaceDispatch.GetInstance<IPluginPresetConfig>((ComWrappers.ComInterfaceDispatch*)presetConfigP);
 #else
             IPluginPresetConfig? presetConfig = ComInterfaceMarshaller<IPluginPresetConfig>.ConvertToManaged((void*)presetConfigP);
-#endif
 
             if (presetConfig == null)
             {
                 return false;
             }
+#endif
 
             DiscordPresenceExtension.DiscordPresenceContext context = new(presetConfig);
 

SharedStatic.cs

@@ -4,13 +4,8 @@
 using Microsoft.Extensions.Logging;
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Runtime.InteropServices;
 using System.Runtime.InteropServices.Marshalling;
-using System.Threading;
-using System.Threading.Tasks;
-
-using static Hi3Helper.Plugin.Core.Utility.GameManagerExtension;
 
 // ReSharper disable CommentTypo