PR BepInEx#103 changes & logging

Author: dlbuhtig4096

Il2CppInterop.Runtime/Injection/ClassInjector.cs

@@ -412,6 +412,8 @@ static void FindAbstractMethods(List<INativeMethodInfoStruct> list, INativeClass
 
             var methodName = Marshal.PtrToStringAnsi(baseMethod.Name);
 
+            Logger.Instance.LogInformation("Processing {type}::{methodName}", type, methodName);
+
             if (methodName == "Finalize") // slot number is not static
             {
                 vTablePointer[i].method = methodPointerArray[0];
@@ -1138,8 +1140,13 @@ private static string GetIl2CppTypeFullName(Il2CppTypeStruct* typePointer)
 
     internal static Type SystemTypeFromIl2CppType(Il2CppTypeStruct* typePointer)
     {
-        var fullName = GetIl2CppTypeFullName(typePointer);
-        var type = Type.GetType(fullName) ?? throw new NullReferenceException($"Couldn't find System.Type for Il2Cpp type: {fullName}");
+        var il2cppType = UnityVersionHandler.Wrap(typePointer);
+
+        if (!InjectorHelpers.TryGetType((IntPtr)il2cppType.TypePointer, out var type))
+        {
+            var fullName = GetIl2CppTypeFullName(typePointer);
+            type = Type.GetType(fullName) ?? throw new NullReferenceException($"Couldn't find System.Type for Il2Cpp type: {fullName}");
+        }
         return RewriteType(type);
     }
 

Il2CppInterop.Runtime/Injection/InjectorHelpers.cs

@@ -98,6 +98,12 @@ internal static void AddTypeToLookup(Type type, IntPtr typePointer)
             {
                 s_ClassNameLookup.Add((namespaze, klass, image), typePointer);
             }
+            s_TypeLookup[typePointer] = type;
+        }
+
+        internal static bool TryGetType(IntPtr typePointer, out Type type)
+        {
+            return s_TypeLookup.TryGetValue(typePointer, out type);
         }
 
         internal static IntPtr GetIl2CppExport(string name)
@@ -137,6 +143,7 @@ internal static IntPtr GetIl2CppMethodPointer(MethodBase proxyMethod)
         internal static readonly ConcurrentDictionary<long, IntPtr> s_InjectedClasses = new();
         /// <summary> (namespace, class, image) : class </summary>
         internal static readonly Dictionary<(string _namespace, string _class, IntPtr imagePtr), IntPtr> s_ClassNameLookup = new();
+        internal static readonly Dictionary<IntPtr, Type> s_TypeLookup = new();
 
         #region Class::Init
         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]