Method loadAsset

Source/Engine/Content/JsonAsset.cpp:242–309

#endif

Asset::LoadResult JsonAssetBase::loadAsset()
{
    if (IsVirtual() || _isVirtualDocument)
        return LoadResult::Ok;
    PROFILE_MEM(ContentAssets);

    // Load data (raw json file in editor, cooked asset in build game)
#if USE_EDITOR
    BytesContainer data;
    if (File::ReadAllBytes(_path, data))
    {
        LOG(Warning, "Filed to load json asset data. {0}", ToString());
        return LoadResult::CannotLoadData;
    }
    if (data.Length() == 0)
    {
        return LoadResult::MissingDataChunk;
    }
#else
    // Get the asset storage container but don't load it now
    const auto storage = ContentStorageManager::GetStorage(_path, true);
    if (!storage)
        return LoadResult::CannotLoadStorage;

    // Load header
    AssetInitData initData;
    if (storage->LoadAssetHeader(GetID(), initData))
        return LoadResult::CannotLoadInitData;

    // Load the actual data
    auto chunk = initData.Header.Chunks[0];
    if (chunk == nullptr)
        return LoadResult::MissingDataChunk;
    if (storage->LoadAssetChunk(chunk))
        return LoadResult::CannotLoadData;
    auto& data = chunk->Data;
#endif

    // Parse json document
    {
        PROFILE_CPU_NAMED("Json.Parse");
        Document.Parse(data.Get<char>(), data.Length());
    }
    if (Document.HasParseError())
    {
        Log::JsonParseException(Document.GetParseError(), Document.GetErrorOffset());
        return LoadResult::CannotLoadData;
    }

    // Gather information from the header
    const auto id = JsonTools::GetGuid(Document, "ID");
    if (id != _id)
    {
        LOG(Warning, "Invalid json asset id. Asset: {0}, serialized: {1}.", _id, id);
        return LoadResult::InvalidData;
    }
    DataTypeName = JsonTools::GetString(Document, "TypeName");
    DataEngineBuild = JsonTools::GetInt(Document, "EngineBuild", FLAXENGINE_VERSION_BUILD);