LuaReflectionState.cpp

TArray<FLuaValue> ULuaReflectionState::MetaMethodIndex(TArray<FLuaValue> LuaArgs)
{
	TArray<FLuaValue> ReturnValues;

	UObject* Object = LuaArgs[0].Object;
	FString Key = LuaArgs[1].ToString();

	if (!Object)
	{
		return ReturnValues;
	}

	if (Object->IsA<UClass>())
	{
		return ReturnValues;
	}

	if (LuaFunctionsMap.Contains(Key))
	{
		ReturnValues.Add(LuaFunctionsMap[Key]);
		return ReturnValues;
	}

	ELuaReflectionType ReflectionType = ELuaReflectionType::Unknown;
	ULuaBlueprintFunctionLibrary::GetLuaReflectionType(Object, Key, ReflectionType);

	if (ReflectionType == ELuaReflectionType::Property)
	{
		ReturnValues.Add(GetLuaValueFromProperty(Object, Key));
	}
	else if (ReflectionType == ELuaReflectionType::Function)
	{
		ReturnValues.Add(FLuaValue::FunctionOfObject(Object, FName(Key)));
	}

	return ReturnValues;
}

TArray<FLuaValue> ULuaReflectionState::MetaMethodNewIndex(TArray<FLuaValue> LuaArgs)
{
	TArray<FLuaValue> ReturnValues;

	UObject* Object = LuaArgs[0].Object;
	FString Key = LuaArgs[1].ToString();
	FLuaValue Value = LuaArgs[2];

	if (!Object)
	{
		return ReturnValues;
	}

	if (Object->IsA<UClass>())
	{
		return ReturnValues;
	}

	ELuaReflectionType ReflectionType = ELuaReflectionType::Unknown;
	ULuaBlueprintFunctionLibrary::GetLuaReflectionType(Object, Key, ReflectionType);

	if (ReflectionType == ELuaReflectionType::Property)
	{
		SetPropertyFromLuaValue(Object, Key, Value);
	}

	return ReturnValues;
}

TArray<FLuaValue> ULuaReflectionState::MetaMethodEq(TArray<FLuaValue> LuaArgs)
{
	TArray<FLuaValue> ReturnValues;

	UObject* Object = LuaArgs[0].Object;
	UObject* OtherObject = LuaArgs[1].Object;

	if (!Object || !OtherObject)
	{
		ReturnValues.Add(FLuaValue(false));
	}
	else
	{
		ReturnValues.Add(FLuaValue(Object == OtherObject));
	}

	return ReturnValues;
}