_prog

Source/Engine/Scripting/ManagedCLR/MCore.h

@@ -68,13 +68,13 @@ public:
     struct FLAXENGINE_API Object
     {
         static MObject* Box(void* value, const MClass* klass);
-        static void* Unbox(MObject* obj);
-        static void Unbox(MObject* obj, void* dest);
+        static void* Unbox(const MObject* obj);
+        static void Unbox(const MObject* obj, void* dest);
         static MObject* New(const MClass* klass);
-        static void Init(MObject* obj);
-        static MClass* GetClass(MObject* obj);
-        static MString* ToString(MObject* obj);
-        static int32 GetHashCode(MObject* obj);
+        static void Init(const MObject* obj);
+        static MClass* GetClass(const MObject* obj);
+        static MString* ToString(const MObject* obj);
+        static int32 GetHashCode(const MObject* obj);
     };
 
     /// <summary>
@@ -82,11 +82,11 @@ public:
     /// </summary>
     struct FLAXENGINE_API String
     {
-        static MString* GetEmpty(MDomain* domain = nullptr);
-        static MString* New(const char* str, int32 length, MDomain* domain = nullptr);
-        static MString* New(const Char* str, int32 length, MDomain* domain = nullptr);
-        static void Free(MString* obj);
-        static StringView GetChars(MString* obj);
+        static MString* GetEmpty(const MDomain* domain = nullptr);
+        static MString* New(const char* str, int32 length, const MDomain* domain = nullptr);
+        static MString* New(const Char* str, int32 length, const MDomain* domain = nullptr);
+        static void Free(const MString* obj);
+        static StringView GetChars(const MString* obj);
     };
 
     /// <summary>
@@ -96,11 +96,11 @@ public:
     {
         static MArray* New(const MClass* elementKlass, int32 length);
         static void Free(const MArray* array);
-        static MClass* GetClass(MClass* elementKlass);
+        static MClass* GetClass(const MClass* elementKlass);
         static MClass* GetArrayClass(const MArray* obj);
         static int32 GetLength(const MArray* obj);
         static void* GetAddress(const MArray* obj);
-        static MArray* Unbox(MObject* obj);
+        static MArray* Unbox(const MObject* obj);
 
         template<typename T>
         FORCE_INLINE static T* GetAddress(const MArray* obj)
@@ -114,8 +114,8 @@ public:
     /// </summary>
     struct FLAXENGINE_API GCHandle
     {
-        static MGCHandle New(MObject* obj, bool pinned = false);
-        static MGCHandle NewWeak(MObject* obj, bool trackResurrection = false);
+        static MGCHandle New(const MObject* obj, bool pinned = false);
+        static MGCHandle NewWeak(const MObject* obj, bool trackResurrection = false);
         static MObject* GetTarget(const MGCHandle& handle);
         static void Free(const MGCHandle& handle);
     };

Source/Engine/Scripting/ManagedCLR/MField.h

@@ -106,7 +106,7 @@ public:
     /// </remarks>
     /// <param name="instance">The object of given type to get value from.</param>
     /// <param name="result">The return value of undefined type.</param>
-    void GetValue(MObject* instance, void* result) const;
+    void GetValue(const MObject* instance, void* result) const;
 
     /// <summary>
     /// Retrieves value currently set in the field on the specified object instance. If field is static object instance can be null.
@@ -116,14 +116,14 @@ public:
     /// </remarks>
     /// <param name="instance">The object of given type to get value from.</param>
     /// <param name="result">The return value of undefined type.</param>
-    void GetValueReference(MObject* instance, void* result) const;
+    void GetValueReference(const MObject* instance, void* result) const;
 
     /// <summary>
     /// Retrieves value currently set in the field on the specified object instance. If field is static object instance can be null. If returned value is a value type it will be boxed.
     /// </summary>
     /// <param name="instance">The object of given type to get value from.</param>
     /// <returns>The boxed value object.</returns>
-    MObject* GetValueBoxed(MObject* instance) const;
+    MObject* GetValueBoxed(const MObject* instance) const;
 
     /// <summary>
     /// Sets a value for the field on the specified object instance. If field is static object instance can be null.
@@ -133,7 +133,7 @@ public:
     /// </remarks>
     /// <param name="instance">The object of given type to set value to.</param>
     /// <param name="value">Th value of undefined type.</param>
-    void SetValue(MObject* instance, void* value) const;
+    void SetValue(const MObject* instance, void* value) const;
 
 public:
     /// <summary>

Source/Engine/Scripting/ManagedCLR/MUtils.h

@@ -13,6 +13,12 @@
 
 #if USE_CSHARP
 
+/*static_assert(TIsPODType<int>::Value, "int not pod type?");
+static_assert(TIsPODType<Float3>::Value, "Float3 not pod type?");
+static_assert(!TIsPODType<ScriptingObject>::Value, "ScriptingObject not pod type?");
+static_assert(TIsPODType<Char>::Value, "Char not pod type?");
+static_assert(TIsPODType<char>::Value, "char not pod type?");*/
+
 struct Version;
 class CultureInfo;
 template<typename AllocationType>
@@ -49,6 +55,12 @@ struct MConverter
 {
     MObject* Box(const T& data, const MClass* klass);
     void Unbox(T& result, MObject* data);
+    /*template<typename U>
+    void ToManaged(U& result, const T& data);
+    template<typename U>
+    void ToNative(T& result, const U& data);
+    void ToManaged(MObject*& result, const T& data);
+    void ToNative(T& result, const MObject*& data);*/
     void FreeManaged(MObject* data);
     void ToManagedArray(MArray* result, const Span<T>& data);
     void ToNativeArray(Span<T>& result, const MArray* data);
@@ -61,6 +73,16 @@ struct NativeArray
 {
     T* data;
     int32 length;
+
+    FORCE_INLINE operator T*() const
+    {
+        return data;
+    }
+
+    FORCE_INLINE Span<T> ToSpan() const
+    {
+        return Span<T>(data, length);
+    }
 };
 
 #if USE_NETCORE
@@ -79,6 +101,16 @@ struct MConverter<bool>
             MCore::Object::Unbox(data, &result);
     }
 
+    void ToManaged(bool& result, const bool& data)
+    {
+        PLATFORM_DEBUG_BREAK; // FIXME
+    }
+
+    void ToNative(bool& result, const bool& data)
+    {
+        PLATFORM_DEBUG_BREAK; // FIXME
+    }
+
     void FreeManaged(MObject* data)
     {
     }
@@ -116,6 +148,16 @@ struct MConverter<T, typename TEnableIf<TAnd<TIsPODType<T>, TNot<TIsBaseOf<class
             MCore::Object::Unbox(data, &result);
     }
 
+    void ToManaged(T& result, const T& data)
+    {
+        PLATFORM_DEBUG_BREAK; // FIXME
+    }
+
+    void ToNative(T& result, const T& data)
+    {
+        PLATFORM_DEBUG_BREAK; // FIXME
+    }
+
     void ToManagedArray(MArray* result, const Span<T>& data)
     {
         Platform::MemoryCopy(MCore::Array::GetAddress(result), data.Get(), data.Length() * sizeof(T));
@@ -162,6 +204,16 @@ struct MConverter<String>
 //#endif
     }
 
+    void ToManaged(String& result, const String& data)
+    {
+        PLATFORM_DEBUG_BREAK; // FIXME
+    }
+
+    void ToNative(String& result, const String& data)
+    {
+        PLATFORM_DEBUG_BREAK; // FIXME
+    }
+
     void ToManagedArray(MArray* result, const Span<String>& data)
     {
         if (data.Length() == 0)
@@ -212,6 +264,16 @@ struct MConverter<StringAnsi>
         result = MUtils::ToStringAnsi((MString*)data);
     }
 
+    void ToManaged(StringAnsi& result, const StringAnsi& data)
+    {
+        PLATFORM_DEBUG_BREAK; // FIXME
+    }
+
+    void ToNative(StringAnsi& result, const StringAnsi& data)
+    {
+        PLATFORM_DEBUG_BREAK; // FIXME
+    }
+
     void ToManagedArray(MArray* result, const Span<StringAnsi>& data)
     {
         if (data.Length() == 0)
@@ -262,6 +324,16 @@ struct MConverter<StringView>
         result = MUtils::ToString((MString*)data);
     }
 
+    void ToManaged(StringView& result, const StringView& data)
+    {
+        PLATFORM_DEBUG_BREAK; // FIXME
+    }
+
+    void ToNative(StringView& result, const StringView& data)
+    {
+        PLATFORM_DEBUG_BREAK; // FIXME
+    }
+
     void ToManagedArray(MArray* result, const Span<StringView>& data)
     {
         PLATFORM_DEBUG_BREAK; // FIXME
@@ -316,6 +388,16 @@ struct MConverter<Variant>
         result = MUtils::UnboxVariant(data);
     }
 
+    void ToManaged(Variant& result, const Variant& data)
+    {
+        PLATFORM_DEBUG_BREAK; // FIXME
+    }
+
+    void ToNative(Variant& result, const Variant& data)
+    {
+        PLATFORM_DEBUG_BREAK; // FIXME
+    }
+
     void ToManagedArray(MArray* result, const Span<Variant>& data)
     {
         PLATFORM_DEBUG_BREAK; // FIXME
@@ -365,6 +447,18 @@ struct MConverter<T*, typename TEnableIf<TIsBaseOf<class ScriptingObject, T>::Va
         result = (T*)ScriptingObject::ToNative(data);
     }
 
+    void ToManaged(MObject*& result, const T* data)
+    {
+        //PLATFORM_DEBUG_BREAK; // FIXME
+        result = data ? data->GetOrCreateManagedInstance() : nullptr;
+    }
+
+    void ToNative(T*& result, const MObject* data)
+    {
+        PLATFORM_DEBUG_BREAK; // FIXME
+        result = (T*)ScriptingObject::ToNative(data);
+    }
+
     void ToManagedArray(MArray* result, const Span<T*>& data)
     {
         if (data.Length() == 0)
@@ -405,9 +499,29 @@ struct MConverter<T, typename TEnableIf<TIsBaseOf<class ScriptingObject, T>::Val
         return data.GetOrCreateManagedInstance();
     }
 
-    void ToManagedArray(MArray* result, const Span<T>& data)
+    void ToManaged(MObject*& result, const T& data)
     {
         PLATFORM_DEBUG_BREAK; // FIXME
+    }
+
+    void ToNative(T& result, const MObject*& data)
+    {
+        PLATFORM_DEBUG_BREAK; // FIXME
+    }
+
+    /*void ToManaged(MObject*& result, const T*& data)
+    {
+        PLATFORM_DEBUG_BREAK; // FIXME
+    }
+
+    void ToNative(T*& result, const MObject*& data)
+    {
+        PLATFORM_DEBUG_BREAK; // FIXME
+    }*/
+
+    void ToManagedArray(MArray* result, const Span<T>& data)
+    {
+        //PLATFORM_DEBUG_BREAK; // FIXME
         if (data.Length() == 0)
             return;
         MObject** objects = (MObject**)Allocator::Allocate(data.Length() * sizeof(MObject*));
@@ -449,6 +563,16 @@ struct MConverter<ScriptingObjectReference<T>>
         result = (T*)ScriptingObject::ToNative(data);
     }
 
+    void ToManaged(MObject*& result, const ScriptingObjectReference<T>& data)
+    {
+        PLATFORM_DEBUG_BREAK; // FIXME
+    }
+
+    void ToNative(ScriptingObjectReference<T>& result, const MObject*& data)
+    {
+        PLATFORM_DEBUG_BREAK; // FIXME
+    }
+
     void ToManagedArray(MArray* result, const Span<ScriptingObjectReference<T>>& data)
     {
         PLATFORM_DEBUG_BREAK; // FIXME
@@ -501,6 +625,17 @@ struct MConverter<AssetReference<T>>
         result = (T*)ScriptingObject::ToNative(data);
     }
 
+    void ToManaged(MObject*& result, const AssetReference<T>& data)
+    {
+        PLATFORM_DEBUG_BREAK; // FIXME
+        result = data.GetManagedInstance();
+    }
+
+    void ToNative(AssetReference<T>& result, const MObject* data)
+    {
+        result = (T*)ScriptingObject::ToNative(data);
+    }
+
     void ToManagedArray(MArray* result, const Span<AssetReference<T>>& data)
     {
         if (data.Length() == 0)
@@ -538,6 +673,29 @@ class SoftAssetReference;
 template<typename T>
 struct MConverter<SoftAssetReference<T>>
 {
+
+    template <typename U>
+    void ToManaged(U& result, const SoftAssetReference<T>& data)
+    {
+        PLATFORM_DEBUG_BREAK; // FIXME
+    }
+
+    template <typename U>
+    void ToNative(SoftAssetReference<T>& result, const U& data)
+    {
+        PLATFORM_DEBUG_BREAK; // FIXME
+    }
+
+    void ToManaged(MObject*& result, const SoftAssetReference<T>& data)
+    {
+        PLATFORM_DEBUG_BREAK; // FIXME
+    }
+
+    void ToNative(SoftAssetReference<T>& result, const MObject*& data)
+    {
+        PLATFORM_DEBUG_BREAK; // FIXME
+    }
+
     void ToManagedArray(MArray* result, const Span<SoftAssetReference<T>>& data)
     {
         //PLATFORM_DEBUG_BREAK; // FIXME
@@ -575,6 +733,16 @@ struct MConverter<SoftAssetReference<T>>
 template<typename T>
 struct MConverter<Array<T>>
 {
+    void ToManaged(Array<T>& result, const Array<T>& data)
+    {
+        PLATFORM_DEBUG_BREAK; // FIXME
+    }
+
+    void ToNative(Array<T>& result, const Array<T>& data)
+    {
+        PLATFORM_DEBUG_BREAK; // FIXME
+    }
+
     MObject* Box(const Array<T>& data, const MClass* klass)
     {
         PLATFORM_DEBUG_BREAK; // FIXME
@@ -877,12 +1045,36 @@ namespace MUtils
         return arr;
     }
 
+    /// <summary>
+    /// Allocates new managed array of data and copies contents from given native array.
+    /// </summary>
+    /// <param name="data">The array object.</param>
+    /// <param name="valueClass">The array values type class.</param>
+    /// <returns>The output array.</returns>
+    /*template<typename T, typename U>
+    NativeArray<U> ToManagedArrayWrapper(const Span<T>& data, const MClass* valueClass)
+    {
+        if (!valueClass)
+            return nullptr;
+        MArray* result = MCore::Array::New(valueClass, data.Length());
+        MConverter<T> converter;
+        converter.ToManagedArray(result, data);
+        return result;
+
+        // System.Runtime.InteropServices.Marshalling.ArrayMarshaller uses CoTask memory alloc to native data pointer
+        NativeArray<U> arr;
+        arr.length = data.Count();
+        arr.data = (U*)MCore::GC::AllocateMemory(arr.length * sizeof(U), true);
+        Platform::MemoryCopy(arr.data, data.Get(), arr.length * sizeof(U));
+        return arr;
+    }*/
+
     /// <summary>
     /// Allocates new boolean array and copies data from the given unmanaged data container. The managed runtime is responsible for releasing the returned array data.
     /// </summary>
     /// <param name="data">The input data.</param>
     /// <returns>The output array.</returns>
-    template<typename T, typename AllocationType = HeapAllocation>
+    /*template<typename T, typename AllocationType = HeapAllocation>
     FORCE_INLINE NativeArray<T> ToNativeArrayWrapper(const Array<T, AllocationType>& data)
     {
         // System.Runtime.InteropServices.Marshalling.ArrayMarshaller uses CoTask memory alloc to native data pointer
@@ -893,22 +1085,233 @@ namespace MUtils
         return arr;
     }
 
+    /// <summary>
+    /// Allocates new boolean array and copies data from the given unmanaged data container. The managed runtime is responsible for releasing the returned array data.
+    /// </summary>
+    /// <param name="data">The input data.</param>
+    /// <returns>The output array.</returns>
+    template<typename T, typename U, typename AllocationType = HeapAllocation>
+    FORCE_INLINE NativeArray<U> ToNativeArrayWrapper(const Array<T, AllocationType>& data)
+    {
+        // System.Runtime.InteropServices.Marshalling.ArrayMarshaller uses CoTask memory alloc to native data pointer
+        NativeArray<U> arr;
+        arr.length = data.Count();
+        arr.data = (U*)MCore::GC::AllocateMemory(arr.length * sizeof(U), true);
+
+        // Convert to managed
+        MConverter<T, U> converter;
+        for (int i = 0; i < arr.length; ++i)
+            arr.data[i] = converter.ToManaged(data[i]);
+        return arr;
+    }*/
+
+    /// <summary>
+    /// Allocates new boolean array and copies data from the given unmanaged data container. The managed runtime is responsible for releasing the returned array data.
+    /// </summary>
+    /// <param name="data">The input data.</param>
+    /// <returns>The output array.</returns>
+    template<typename T, typename U>
+    FORCE_INLINE NativeArray<U> ToManagedArrayWrapperConvert(const Span<T>& data)
+    {
+        // System.Runtime.InteropServices.Marshalling.ArrayMarshaller uses CoTask memory alloc to native data pointer
+        NativeArray<U> arr;
+        arr.length = data.Length();
+        arr.data = arr.length > 0 ? (U*)MCore::GC::AllocateMemory(arr.length * sizeof(U), true) : nullptr;
+
+        // Convert to managed
+        MConverter<T, U> converter;
+        for (int i = 0; i < arr.length; ++i)
+            converter.ToManaged(arr.data[i], data[i]);
+        return arr;
+    }
+
     /// <summary>
     /// Allocates new boolean array and copies data from the given unmanaged data container. The managed runtime is responsible for releasing the returned array data.
     /// </summary>
     /// <param name="data">The input data.</param>
     /// <returns>The output array.</returns>
     template<typename T>
-    FORCE_INLINE NativeArray<T> ToNativeArrayWrapper(const Span<T>& data)
+    FORCE_INLINE NativeArray<T> ToNativeArrayWrapperConvertGeneric(const Span<MObject*>& data)
     {
         // System.Runtime.InteropServices.Marshalling.ArrayMarshaller uses CoTask memory alloc to native data pointer
         NativeArray<T> arr;
         arr.length = data.Length();
-        arr.data = (T*)MCore::GC::AllocateMemory(arr.length * sizeof(T), true);
+        arr.data = arr.length > 0 ? (T*)MCore::GC::AllocateMemory(arr.length * sizeof(T), true) : nullptr;
+
+        // Convert to managed
+        MConverter<T> converter;
+        for (int i = 0; i < arr.length; ++i)
+        {
+            converter.ToNative(arr.data[i], data[i]);
+        }
+        return arr;
+    }
+
+    /// <summary>
+    /// Allocates new boolean array and copies data from the given unmanaged data container. The managed runtime is responsible for releasing the returned array data.
+    /// </summary>
+    /// <param name="data">The input data.</param>
+    /// <returns>The output array.</returns>
+    template<typename T, typename AllocationType = HeapAllocation>
+    FORCE_INLINE void ToNativeArrayWrapperConvertGeneric(const Span<MObject*>& data, Array<T, AllocationType>& array)
+    {
+        if (!array.IsEmpty())
+            PLATFORM_DEBUG_BREAK; // TODO: does the array require ClearDelete instead?
+
+        auto length = data.Length();
+        array.Resize(length, false);
+        //array.Clear();
+        //array.EnsureCapacity(length);
+
+        MConverter<T> converter;
+        for (int i = 0; i < length; ++i)
+        {
+            // Make sure the destination is default initialized first
+            //array.AddUninitialized();
+            //array.AddDefault();
+            //T& dest = array.Get()[i];
+            //new(&dest)AssetReference<T>();
+
+            // Convert from managed
+            converter.ToNative(array.Get()[i], data[i]);
+        }
+    }
+
+    /// <summary>
+    /// Allocates new boolean array and copies data from the given unmanaged data container. The managed runtime is responsible for releasing the returned array data.
+    /// </summary>
+    /// <param name="data">The input data.</param>
+    /// <returns>The output array.</returns>
+    template<typename T, typename U>
+    FORCE_INLINE NativeArray<T> ToNativeArrayWrapperConvert(const Span<U>& data)
+    {
+        // System.Runtime.InteropServices.Marshalling.ArrayMarshaller uses CoTask memory alloc to native data pointer
+        NativeArray<T> arr;
+        arr.length = data.Length();
+        arr.data = arr.length > 0 ? (T*)MCore::GC::AllocateMemory(arr.length * sizeof(T), true) : nullptr;
+
+        // Convert to managed
+        MConverter<T, U> converter;
+        for (int i = 0; i < arr.length; ++i)
+            converter.ToNative(arr.data[i], data[i]);
+        return arr;
+    }
+
+    /// <summary>
+    /// Allocates new boolean array and copies data from the given unmanaged data container. The managed runtime is responsible for releasing the returned array data.
+    /// </summary>
+    /// <param name="data">The input data.</param>
+    /// <returns>The output array.</returns>
+    template<typename T>
+    FORCE_INLINE NativeArray<T> ToNativeArrayWrapperCopy(const Span<T>& data)
+    {
+        // System.Runtime.InteropServices.Marshalling.ArrayMarshaller uses CoTask memory alloc to native data pointer
+        NativeArray<T> arr;
+        arr.length = data.Length();
+        arr.data = arr.length > 0 ? (T*)MCore::GC::AllocateMemory(arr.length * sizeof(T), true) : nullptr;
         Platform::MemoryCopy(arr.data, data.Get(), arr.length * sizeof(T));
         return arr;
     }
 
+    /// <summary>
+    /// Allocates new boolean array and copies data from the given unmanaged data container. The managed runtime is responsible for releasing the returned array data.
+    /// </summary>
+    /// <param name="data">The input data.</param>
+    /// <returns>The output array.</returns>
+    /*FORCE_INLINE NativeArray<Char> ToManagedArrayWrapper(const Span<Char>& data)
+    {
+        // System.Runtime.InteropServices.Marshalling.ArrayMarshaller uses CoTask memory alloc to native data pointer
+        NativeArray<Char> arr;
+        arr.length = data.Length();
+        arr.data = (Char*)MCore::GC::AllocateMemory(arr.length * sizeof(Char), true);
+        Platform::MemoryCopy(arr.data, data.Get(), arr.length * sizeof(Char));
+        return arr;
+    }*/
+
+    /// <summary>
+    /// Allocates new boolean array and copies data from the given unmanaged data container. The managed runtime is responsible for releasing the returned array data.
+    /// </summary>
+    /// <param name="data">The input data.</param>
+    /// <returns>The output array.</returns>
+    template<typename T>
+    FORCE_INLINE NativeArray<T> ToManagedArrayWrapperConvert(const Span<T>& data)
+    {
+        // System.Runtime.InteropServices.Marshalling.ArrayMarshaller uses CoTask memory alloc to native data pointer
+        NativeArray<T> arr;
+        arr.length = data.Length();
+        arr.data = arr.length > 0 ? (T*)MCore::GC::AllocateMemory(arr.length * sizeof(T), true) : nullptr;
+        //Platform::MemoryCopy(arr.data, data.Get(), arr.length * sizeof(T));
+
+        // Convert to managed
+        MConverter<T> converter;
+        for (int i = 0; i < arr.length; ++i)
+            converter.ToManaged(arr.data[i], data[i]);
+
+        return arr;
+    }
+
+    /// <summary>
+    /// Allocates new boolean array and copies data from the given unmanaged data container. The managed runtime is responsible for releasing the returned array data.
+    /// </summary>
+    /// <param name="data">The input data.</param>
+    /// <returns>The output array.</returns>
+    template<typename T>
+    FORCE_INLINE NativeArray<T> ToManagedArrayWrapperCopy(const Span<T>& data)
+    {
+        // System.Runtime.InteropServices.Marshalling.ArrayMarshaller uses CoTask memory alloc to native data pointer
+        NativeArray<T> arr;
+        arr.length = data.Length();
+        arr.data = arr.length > 0 ? (T*)MCore::GC::AllocateMemory(arr.length * sizeof(T), true) : nullptr;
+        Platform::MemoryCopy(arr.data, data.Get(), arr.length * sizeof(T));
+        return arr;
+    }
+
+    /// <summary>
+    /// Allocates new boolean array and copies data from the given unmanaged data container. The managed runtime is responsible for releasing the returned array data.
+    /// </summary>
+    /// <param name="data">The input data.</param>
+    /// <returns>The output array.</returns>
+    /*template<typename T>
+    FORCE_INLINE NativeArray<MObject*> ToManagedArrayWrapperPointer(const Span<T*>& data)
+    {
+        // System.Runtime.InteropServices.Marshalling.ArrayMarshaller uses CoTask memory alloc to native data pointer
+        NativeArray<MObject*> arr;
+        arr.length = data.Length();
+        arr.data = (MObject**)MCore::GC::AllocateMemory(arr.length * sizeof(MObject*), true);
+
+        // Convert to managed
+        MConverter<T*> converter;
+        for (int i = 0; i < arr.length; ++i)
+        {
+            MObject*& ptr = arr.data[i];
+            const T& asd = data[i];
+            converter.ToManaged(ptr, asd);
+        }
+
+        return arr;
+    }*/
+
+    /// <summary>
+    /// Allocates new boolean array and copies data from the given unmanaged data container. The managed runtime is responsible for releasing the returned array data.
+    /// </summary>
+    /// <param name="data">The input data.</param>
+    /// <returns>The output array.</returns>
+    template<class T>
+    FORCE_INLINE NativeArray<MObject*> ToManagedArrayWrapperPointer(const Span<T>& data)
+    {
+        // System.Runtime.InteropServices.Marshalling.ArrayMarshaller uses CoTask memory alloc to native data pointer
+        NativeArray<MObject*> arr;
+        arr.length = data.Length();
+        arr.data = arr.length > 0 ? (MObject**)MCore::GC::AllocateMemory(arr.length * sizeof(MObject*), true) : nullptr;
+        
+        // Convert to managed
+        MConverter<T> converter;
+        for (int i = 0; i < arr.length; ++i)
+            converter.ToManaged(arr.data[i], data[i]);
+
+        return arr;
+    }
+
     /// <summary>
     /// Allocates new boolean array and copies data from the given unmanaged data container. The managed runtime is responsible for releasing the returned array data.
     /// </summary>

Source/Engine/Scripting/Runtime/DotNet.cpp

@@ -399,15 +399,15 @@ MObject* MCore::Object::Box(void* value, const MClass* klass)
     return (MObject*)CallStaticMethod<void*, void*, void*>(BoxValuePtr, klass->_handle, value);
 }
 
-void* MCore::Object::Unbox(MObject* obj)
+void* MCore::Object::Unbox(const MObject* obj)
 {
     CRASH; // Should not be used anymore
 }
 
-void MCore::Object::Unbox(MObject* obj, void* dest)
+void MCore::Object::Unbox(const MObject* obj, void* dest)
 {
     static void* UnboxValuePtr = GetStaticMethodPointer(TEXT("UnboxValue"));
-    return CallStaticMethod<void, void*, void*>(UnboxValuePtr, obj, dest);
+    return CallStaticMethod<void, const void*, void*>(UnboxValuePtr, obj, dest);
 }
 
 MObject* MCore::Object::New(const MClass* klass)
@@ -416,61 +416,61 @@ MObject* MCore::Object::New(const MClass* klass)
     return (MObject*)CallStaticMethod<void*, void*>(NewObjectPtr, klass->_handle);
 }
 
-void MCore::Object::Init(MObject* obj)
+void MCore::Object::Init(const MObject* obj)
 {
     static void* ObjectInitPtr = GetStaticMethodPointer(TEXT("ObjectInit"));
-    CallStaticMethod<void, void*>(ObjectInitPtr, obj);
+    CallStaticMethod<void, const void*>(ObjectInitPtr, obj);
 }
 
-MClass* MCore::Object::GetClass(MObject* obj)
+MClass* MCore::Object::GetClass(const MObject* obj)
 {
     ASSERT(obj);
     static void* GetObjectClassPtr = GetStaticMethodPointer(TEXT("GetObjectClass"));
-    return (MClass*)CallStaticMethod<MClass*, void*>(GetObjectClassPtr, obj);
+    return (MClass*)CallStaticMethod<MClass*, const void*>(GetObjectClassPtr, obj);
 }
 
-MString* MCore::Object::ToString(MObject* obj)
+MString* MCore::Object::ToString(const MObject* obj)
 {
     static void* GetObjectStringPtr = GetStaticMethodPointer(TEXT("GetObjectString"));
-    return (MString*)CallStaticMethod<void*, void*>(GetObjectStringPtr, obj);
+    return (MString*)CallStaticMethod<void*, const void*>(GetObjectStringPtr, obj);
 }
 
-int32 MCore::Object::GetHashCode(MObject* obj)
+int32 MCore::Object::GetHashCode(const MObject* obj)
 {
     static void* GetObjectStringPtr = GetStaticMethodPointer(TEXT("GetObjectHashCode"));
-    return CallStaticMethod<int32, void*>(GetObjectStringPtr, obj);
+    return CallStaticMethod<int32, const void*>(GetObjectStringPtr, obj);
 }
 
-MString* MCore::String::GetEmpty(MDomain* domain)
+MString* MCore::String::GetEmpty(const MDomain* domain)
 {
     static void* GetStringEmptyPtr = GetStaticMethodPointer(TEXT("GetStringEmpty"));
     return (MString*)CallStaticMethod<void*>(GetStringEmptyPtr);
 }
 
-MString* MCore::String::New(const char* str, int32 length, MDomain* domain)
+MString* MCore::String::New(const char* str, int32 length, const MDomain* domain)
 {
     static void* NewStringUTF8Ptr = GetStaticMethodPointer(TEXT("NewStringUTF8"));
     return (MString*)CallStaticMethod<void*, const char*, int>(NewStringUTF8Ptr, str, length);
 }
 
-MString* MCore::String::New(const Char* str, int32 length, MDomain* domain)
+MString* MCore::String::New(const Char* str, int32 length, const MDomain* domain)
 {
     static void* NewStringUTF16Ptr = GetStaticMethodPointer(TEXT("NewStringUTF16"));
     return (MString*)CallStaticMethod<void*, const Char*, int>(NewStringUTF16Ptr, str, length);
 }
 
-StringView MCore::String::GetChars(MString* obj)
+StringView MCore::String::GetChars(const MString* obj)
 {
     int32 length = 0;
     static void* GetStringPointerPtr = GetStaticMethodPointer(TEXT("GetStringPointer"));
-    const Char* chars = CallStaticMethod<const Char*, void*, int*>(GetStringPointerPtr, obj, &length);
+    const Char* chars = CallStaticMethod<const Char*, const void*, int*>(GetStringPointerPtr, obj, &length);
     return StringView(chars, length);
 }
 
-void MCore::String::Free(MString* obj)
+void MCore::String::Free(const MString* obj)
 {
     static void* FreeStringPtr = GetStaticMethodPointer(TEXT("FreeString"));
-    CallStaticMethod<void, void*>(FreeStringPtr, obj);
+    CallStaticMethod<void, const void*>(FreeStringPtr, obj);
 }
 
 MArray* MCore::Array::New(const MClass* elementKlass, int32 length)
@@ -485,7 +485,7 @@ void MCore::Array::Free(const MArray* array)
     CallStaticMethod<void, void*>(FreeArrayPtr, (void*)array);
 }
 
-MClass* MCore::Array::GetClass(MClass* elementKlass)
+MClass* MCore::Array::GetClass(const MClass* elementKlass)
 {
     static void* GetArrayTypeFromElementTypePtr = GetStaticMethodPointer(TEXT("GetArrayTypeFromElementType"));
     MType* typeHandle = (MType*)CallStaticMethod<void*, void*>(GetArrayTypeFromElementTypePtr, elementKlass->_handle);
@@ -511,24 +511,24 @@ void* MCore::Array::GetAddress(const MArray* obj)
     return CallStaticMethod<void*, void*>(GetArrayPointerPtr, (void*)obj);
 }
 
-MArray* MCore::Array::Unbox(MObject* obj)
+MArray* MCore::Array::Unbox(const MObject* obj)
 {
     static void* GetArrayPtr = GetStaticMethodPointer(TEXT("GetArray"));
     return (MArray*)CallStaticMethod<void*, void*>(GetArrayPtr, (void*)obj);
 }
 
-MGCHandle MCore::GCHandle::New(MObject* obj, bool pinned)
+MGCHandle MCore::GCHandle::New(const MObject* obj, bool pinned)
 {
     ASSERT(obj);
     static void* NewGCHandlePtr = GetStaticMethodPointer(TEXT("NewGCHandle"));
-    return (MGCHandle)CallStaticMethod<void*, void*, bool>(NewGCHandlePtr, obj, pinned);
+    return (MGCHandle)CallStaticMethod<void*, const void*, bool>(NewGCHandlePtr, obj, pinned);
 }
 
-MGCHandle MCore::GCHandle::NewWeak(MObject* obj, bool trackResurrection)
+MGCHandle MCore::GCHandle::NewWeak(const MObject* obj, bool trackResurrection)
 {
     ASSERT(obj);
     static void* NewGCHandleWeakPtr = GetStaticMethodPointer(TEXT("NewGCHandleWeak"));
-    return (MGCHandle)CallStaticMethod<void*, void*, bool>(NewGCHandleWeakPtr, obj, trackResurrection);
+    return (MGCHandle)CallStaticMethod<void*, const void*, bool>(NewGCHandleWeakPtr, obj, trackResurrection);
 }
 
 MObject* MCore::GCHandle::GetTarget(const MGCHandle& handle)
@@ -1387,28 +1387,28 @@ int32 MField::GetOffset() const
     return _fieldOffset;
 }
 
-void MField::GetValue(MObject* instance, void* result) const
+void MField::GetValue(const MObject* instance, void* result) const
 {
     static void* FieldGetValuePtr = GetStaticMethodPointer(TEXT("FieldGetValue"));
-    CallStaticMethod<void, void*, void*, void*>(FieldGetValuePtr, instance, _handle, result);
+    CallStaticMethod<void, const void*, void*, void*>(FieldGetValuePtr, instance, _handle, result);
 }
 
-void MField::GetValueReference(MObject* instance, void* result) const
+void MField::GetValueReference(const MObject* instance, void* result) const
 {
     static void* FieldGetValueReferencePtr = GetStaticMethodPointer(TEXT("FieldGetValueReference"));
-    CallStaticMethod<void, void*, void*, int, void*>(FieldGetValueReferencePtr, instance, _handle, _fieldOffset, result);
+    CallStaticMethod<void, const void*, void*, int, void*>(FieldGetValueReferencePtr, instance, _handle, _fieldOffset, result);
 }
 
-MObject* MField::GetValueBoxed(MObject* instance) const
+MObject* MField::GetValueBoxed(const MObject* instance) const
 {
     static void* FieldGetValueBoxedPtr = GetStaticMethodPointer(TEXT("FieldGetValueBoxed"));
-    return CallStaticMethod<MObject*, void*, void*>(FieldGetValueBoxedPtr, instance, _handle);
+    return CallStaticMethod<MObject*, const void*, void*>(FieldGetValueBoxedPtr, instance, _handle);
 }
 
-void MField::SetValue(MObject* instance, void* value) const
+void MField::SetValue(const MObject* instance, void* value) const
 {
     static void* FieldSetValuePtr = GetStaticMethodPointer(TEXT("FieldSetValue"));
-    CallStaticMethod<void, void*, void*, void*>(FieldSetValuePtr, instance, _handle, value);
+    CallStaticMethod<void, const void*, void*, void*>(FieldSetValuePtr, instance, _handle, value);
 }
 
 bool MField::HasAttribute(const MClass* klass) const

Source/Engine/Scripting/ScriptingObject.cpp

@@ -245,7 +245,7 @@ void* ScriptingObject::ToInterface(ScriptingObject* obj, const ScriptingTypeHand
     return result;
 }
 
-ScriptingObject* ScriptingObject::ToNative(MObject* obj)
+ScriptingObject* ScriptingObject::ToNative(const MObject* obj)
 {
     ScriptingObject* ptr = nullptr;
 #if USE_CSHARP

Source/Engine/Scripting/ScriptingObject.h

@@ -132,7 +132,7 @@ public:
         return (T*)ToInterface(obj, T::TypeInitializer);
     }
 
-    static ScriptingObject* ToNative(MObject* obj);
+    static ScriptingObject* ToNative(const MObject* obj);
 
     FORCE_INLINE static MObject* ToManaged(const ScriptingObject* obj)
     {