Add back GetTypeFromDefinition

Author: ds5678

LibCpp2IL/Reflection/LibCpp2IlReflection.cs

@@ -228,4 +228,75 @@ public static Il2CppTypeDefinition GetDeclaringTypeFromField(Il2CppFieldDefiniti
 
  return FieldDeclaringTypes[fieldDefinition];
  }
+
+ public static Il2CppType? GetTypeFromDefinition(Il2CppTypeDefinition definition)
+ {
+ if (LibCpp2IlMain.Binary == null)
+ return null;
+
+ switch (definition.FullName)
+ {
+ case "System.SByte":
+ return PrimitiveTypeCache[Il2CppTypeEnum.IL2CPP_TYPE_I1];
+ case "System.Int16":
+ return PrimitiveTypeCache[Il2CppTypeEnum.IL2CPP_TYPE_I2];
+ case "System.Int32":
+ return PrimitiveTypeCache[Il2CppTypeEnum.IL2CPP_TYPE_I4];
+ case "System.Int64":
+ return PrimitiveTypeCache[Il2CppTypeEnum.IL2CPP_TYPE_I8];
+ case "System.Byte":
+ return PrimitiveTypeCache[Il2CppTypeEnum.IL2CPP_TYPE_U1];
+ case "System.UInt16":
+ return PrimitiveTypeCache[Il2CppTypeEnum.IL2CPP_TYPE_U2];
+ case "System.UInt32":
+ return PrimitiveTypeCache[Il2CppTypeEnum.IL2CPP_TYPE_U4];
+ case "System.UInt64":
+ return PrimitiveTypeCache[Il2CppTypeEnum.IL2CPP_TYPE_U8];
+ case "System.IntPtr":
+ return PrimitiveTypeCache[Il2CppTypeEnum.IL2CPP_TYPE_I];
+ case "System.UIntPtr":
+ return PrimitiveTypeCache[Il2CppTypeEnum.IL2CPP_TYPE_U];
+ case "System.Single":
+ return PrimitiveTypeCache[Il2CppTypeEnum.IL2CPP_TYPE_R4];
+ case "System.Double":
+ return PrimitiveTypeCache[Il2CppTypeEnum.IL2CPP_TYPE_R8];
+ case "System.Boolean":
+ return PrimitiveTypeCache[Il2CppTypeEnum.IL2CPP_TYPE_BOOLEAN];
+ case "System.Char":
+ return PrimitiveTypeCache[Il2CppTypeEnum.IL2CPP_TYPE_CHAR];
+ case "System.String":
+ return PrimitiveTypeCache[Il2CppTypeEnum.IL2CPP_TYPE_STRING];
+ case "System.Void":
+ return PrimitiveTypeCache[Il2CppTypeEnum.IL2CPP_TYPE_VOID];
+ case "System.TypedReference":
+ return PrimitiveTypeCache[Il2CppTypeEnum.IL2CPP_TYPE_TYPEDBYREF];
+ case "System.Object":
+ return PrimitiveTypeCache[Il2CppTypeEnum.IL2CPP_TYPE_OBJECT];
+ }
+
+ var index = definition.TypeIndex;
+
+ if (Il2CppTypeCache.TryGetValue(index, out var cachedType))
+ {
+ return cachedType;
+ }
+
+ foreach (var type in LibCpp2IlMain.Binary.AllTypes)
+ {
+ if (type.Type is not Il2CppTypeEnum.IL2CPP_TYPE_CLASS and not Il2CppTypeEnum.IL2CPP_TYPE_VALUETYPE)
+ continue;
+
+ if (type.Data.ClassIndex == index && type.Byref == 0)
+ {
+ lock (Il2CppTypeCache)
+ {
+ Il2CppTypeCache[index] = type;
+ }
+
+ return type;
+ }
+ }
+
+ return null;
+ }
 }