Add VRChat and GitHub packages to Unity project

Assets/VRCSDK/Dependencies/VRChat/Editor/SDK3Compatibility/VRCSdk3Analysis.cs

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+using System.Reflection;
+using System.Collections.Generic;
+using UnityEngine;
+using System;
+using System.Linq;
+using UnityEditor;
+
+public class VRCSdk3Analysis
+{
+    static Assembly GetAssemblyByName(string name)
+    {
+        return AppDomain.CurrentDomain.GetAssemblies().
+               SingleOrDefault(assembly => assembly.GetName().Name == name);
+    }
+
+    static List<Component> GetSceneComponentsFromAssembly( Assembly assembly )
+    {
+        if (assembly == null)
+            return new List<Component>();
+
+        Type[] types = assembly.GetTypes();
+
+        List<Component> present = new List<Component>();
+        foreach (var type in types )
+        {
+            if (!type.IsSubclassOf(typeof(MonoBehaviour)))
+                continue;
+
+            var monos = VRC.Tools.FindSceneObjectsOfTypeAll(type);
+            present.AddRange(monos);
+        }
+        return present;
+    }
+
+    public enum SdkVersion
+    {
+        VRCSDK2,
+        VRCSDK3
+    };
+
+    public static List<Component> GetSDKInScene(SdkVersion version)
+    {
+        var assembly = GetAssemblyByName( version.ToString() );
+        return GetSceneComponentsFromAssembly(assembly);
+    }
+
+    public static bool IsSdkDllActive(SdkVersion version)
+    {
+        string assembly = version.ToString();
+        PluginImporter importer = AssetImporter.GetAtPath("Assets/VRCSDK/Plugins/" + assembly + ".dll") as PluginImporter;
+        if (importer == false)
+        {
+            //Handle Avatar Dll Split
+            importer = AssetImporter.GetAtPath("Assets/VRCSDK/Plugins/" + assembly + "A.dll") as PluginImporter;
+            if (importer == false)
+                return false;
+        }
+
+        return importer.GetCompatibleWithAnyPlatform();
+    }
+
+    //public static void SetSdkVersionActive(SdkVersion version)
+    //{
+    //    AssetDatabase.StartAssetEditing();
+
+    //    PluginImporter importer = AssetImporter.GetAtPath("Assets/VRCSDK/Plugins/" + version + ".dll") as PluginImporter;
+    //    if (importer == null)
+    //        return;
+
+    //    SetSDKDefine(version);
+
+    //    var other = SdkVersion.VRCSDK2;
+    //    if (version == SdkVersion.VRCSDK2)
+    //        other = SdkVersion.VRCSDK3;
+
+    //    SetSDKAssembly(other, false);
+    //    SetSDKAssembly(version, true);
+
+    //    AssetDatabase.StopAssetEditing();
+    //}
+
+    //static void SetSDKAssembly( SdkVersion version, bool active )
+    //{
+    //    string assembly = version.ToString();
+    //    PluginImporter importer = AssetImporter.GetAtPath("Assets/VRCSDK/Plugins/" + assembly + ".dll") as PluginImporter;
+    //    if (importer)
+    //    {
+    //        importer.SetCompatibleWithAnyPlatform(active);
+    //        importer.SetCompatibleWithEditor(active);
+    //        importer.SetCompatibleWithPlatform(BuildTarget.StandaloneWindows, active);
+    //        importer.SetCompatibleWithPlatform(BuildTarget.StandaloneWindows64, active);
+    //        importer.SetCompatibleWithPlatform(BuildTarget.StandaloneLinux64, active);
+    //        importer.SetCompatibleWithPlatform(BuildTarget.StandaloneOSX, active);
+    //        importer.SetCompatibleWithPlatform(BuildTarget.Android, active);
+    //        importer.SaveAndReimport();
+    //    }
+    //}
+
+    //static void SetSDKDefine( SdkVersion version )
+    //{
+    //    string defineString = PlayerSettings.GetScriptingDefineSymbolsForGroup(BuildTargetGroup.Standalone);
+    //    var defs = defineString.Split(';');
+    //    string finalDefs = null;
+    //    foreach( var s in defs )
+    //    {
+    //        if (s != "VRC_SDK_VRCSDK2" && s != "VRC_SDK_VRCSDK3")
+    //        {
+    //            if (finalDefs == null)
+    //                finalDefs = s;
+    //            else
+    //                finalDefs += ";" + s;
+    //        }
+    //    }
+    //    if (version == SdkVersion.VRCSDK2)
+    //        finalDefs += ";VRC_SDK_VRCSDK2";
+    //    else if (version == SdkVersion.VRCSDK3)
+    //        finalDefs += ";VRC_SDK_VRCSDK3";
+    //    PlayerSettings.SetScriptingDefineSymbolsForGroup(BuildTargetGroup.Standalone, finalDefs);
+    //}
+}

Assets/VRCSDK/Dependencies/VRChat/Editor/SDK3Compatibility/VRCSdk3Analysis.cs.meta

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+guid: 93710d221addc0243ba90dd20369844b
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+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
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