Function ObjectInternal_Create1

Source/Engine/Scripting/ScriptingObject.cpp:552–612

#if USE_CSHARP

DEFINE_INTERNAL_CALL(MObject*) ObjectInternal_Create1(MTypeObject* type)
{
    // Peek class for that type (handle generic class cases)
    if (!type)
        DebugLog::ThrowArgumentNull("type");
    MType* mType = INTERNAL_TYPE_OBJECT_GET(type);
    const MTypes mTypeType = MCore::Type::GetType(mType);
    if (mTypeType == MTypes::GenericInst)
    {
        LOG(Error, "Generic scripts are not supported.");
        return nullptr;
    }
    MClass* typeClass = MCore::Type::GetClass(mType);
    if (typeClass == nullptr)
    {
        LOG(Error, "Invalid type.");
        return nullptr;
    }

    // Get the assembly with that class
    auto module = ManagedBinaryModule::FindModule(typeClass);
    if (module == nullptr)
    {
        LOG(Error, "Cannot find scripting assembly for type \'{0}\'.", String(typeClass->GetFullName()));
        return nullptr;
    }

    // Try to find the scripting type for this class
    int32 typeIndex;
    if (!module->ClassToTypeIndex.TryGet(typeClass, typeIndex))
    {
        LOG(Error, "Cannot spawn objects of type \'{0}\'.", String(typeClass->GetFullName()));
        return nullptr;
    }
    const ScriptingType& scriptingType = module->Types[typeIndex];

    // Create unmanaged object
    const ScriptingObjectSpawnParams params(Guid::New(), ScriptingTypeHandle(module, typeIndex));
    ScriptingObject* obj = scriptingType.Script.Spawn(params);
    if (obj == nullptr)
    {
        LOG(Error, "Failed to spawn object of type \'{0}\'.", String(typeClass->GetFullName()));
        return nullptr;
    }

    // Set default name for actors
    if (auto* actor = dynamic_cast<Actor*>(obj))
    {
        actor->SetName(String(typeClass->GetName()));
    }

    // Create managed object
    MObject* managedInstance = obj->GetOrCreateManagedInstance();
    if (managedInstance == nullptr)
    {
        LOG(Error, "Cannot create managed instance for type \'{0}\'.", String(typeClass->GetFullName()));
        Delete(obj);
    }