2 files changed, 81 insertions, 0 deletions
diff --git a/VRCSDK3AvatarsLegacy/Assets/VRCSDK/Dependencies/VRChat/Editor/SDK3Compatibility/VRCSdk3Analysis.cs b/VRCSDK3AvatarsLegacy/Assets/VRCSDK/Dependencies/VRChat/Editor/SDK3Compatibility/VRCSdk3Analysis.cs
new file mode 100644
index 00000000..ee656b38
--- /dev/null
+++ b/VRCSDK3AvatarsLegacy/Assets/VRCSDK/Dependencies/VRChat/Editor/SDK3Compatibility/VRCSdk3Analysis.cs
@@ -0,0 +1,70 @@
+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 = GetImporterForAssemblyString(assembly);
+        if (importer == false)
+        {
+            //Handle Avatar Dll Split
+            importer = GetImporterForAssemblyString(assembly + "A");
+            if (importer == false)
+                return false;
+        }
+
+        return importer.GetCompatibleWithAnyPlatform();
+    }
+
+    public static PluginImporter GetImporterForAssemblyString(string assembly)
+    {
+#if VRCUPM
+        return AssetImporter.GetAtPath($"Packages/com.vrchat.{assembly.ToLower()}/Runtime/VRCSDK/Plugins/{assembly}.dll") as PluginImporter;
+#else
+        return AssetImporter.GetAtPath($"Assets/VRCSDK/Plugins/{assembly}.dll") as PluginImporter;
+#endif
+    }
+}
diff --git a/VRCSDK3AvatarsLegacy/Assets/VRCSDK/Dependencies/VRChat/Editor/SDK3Compatibility/VRCSdk3Analysis.cs.meta b/VRCSDK3AvatarsLegacy/Assets/VRCSDK/Dependencies/VRChat/Editor/SDK3Compatibility/VRCSdk3Analysis.cs.meta
new file mode 100644
index 00000000..8a2d89cb
--- /dev/null
+++ b/VRCSDK3AvatarsLegacy/Assets/VRCSDK/Dependencies/VRChat/Editor/SDK3Compatibility/VRCSdk3Analysis.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 93710d221addc0243ba90dd20369844b
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: