Method Run

Source/Engine/ContentImporters/AssetsImportingManager.cpp:114–176

}

CreateAssetResult CreateAssetContext::Run(const CreateAssetFunction& callback)
{
    ASSERT(callback.IsBinded());

    // Call action
    auto result = callback(*this);
    if (result != CreateAssetResult::Ok)
        return result;

    // Skip for non-flax assets (eg. json resource or custom asset type)
    if (!TargetAssetPath.EndsWith(ASSET_FILES_EXTENSION))
        return CreateAssetResult::Ok;

    // Validate assigned TypeID
    if (Data.Header.TypeName.IsEmpty())
    {
        LOG(Warning, "Assigned asset TypeName is invalid.");
        return CreateAssetResult::InvalidTypeID;
    }

    // Add import metadata to the file (if it's empty)
    if (!SkipMetadata && Data.Metadata.IsInvalid())
    {
        rapidjson_flax::StringBuffer buffer;
        CompactJsonWriter writer(buffer);
        writer.StartObject();
        {
            AddMeta(writer);
        }
        writer.EndObject();
        Data.Metadata.Copy((const byte*)buffer.GetString(), (uint32)buffer.GetSize());
    }

    // Check if target asset already exists but has different type
    AssetInfo targetAssetInfo;
    if (Content::GetAssetInfo(TargetAssetPath, targetAssetInfo) && !IsAssetTypeNameMatch(targetAssetInfo.TypeName, Data.Header.TypeName))
    {
        // Change path
        int32 index = 0;
        String newTargetAssetPath;
        do
        {
            newTargetAssetPath = StringUtils::GetDirectoryName(TargetAssetPath);
            newTargetAssetPath /= StringUtils::GetFileNameWithoutExtension(TargetAssetPath) + String::Format(TEXT(" ({})."), index++) + FileSystem::GetExtension(TargetAssetPath);
        } while (index < 100 && FileSystem::FileExists(newTargetAssetPath));
        TargetAssetPath = newTargetAssetPath;

        // Change id
        Data.Header.ID = Guid::New();
    }

    // Save file
    result = FlaxStorage::Create(OutputPath, Data) ? CreateAssetResult::CannotSaveFile : CreateAssetResult::Ok;
    if (result == CreateAssetResult::Ok)
    {
        _applyChangesResult = CreateAssetResult::Abort;
        INVOKE_ON_MAIN_THREAD(CreateAssetContext, CreateAssetContext::ApplyChanges, this);
        result = _applyChangesResult;