Method ChangeId

Source/Engine/Content/Storage/JsonStorageProxy.cpp:94–147

#endif

bool JsonStorageProxy::ChangeId(const StringView& path, const Guid& newId)
{
#if USE_EDITOR
    PROFILE_CPU();

    // Load file
    Array<byte> fileData;
    if (File::ReadAllBytes(path, fileData))
        return false;

    // Parse data
    rapidjson_flax::Document document;
    {
        PROFILE_CPU_NAMED("Json.Parse");
        document.Parse((const char*)fileData.Get(), fileData.Count());
    }
    if (document.HasParseError())
    {
        Log::JsonParseException(document.GetParseError(), document.GetErrorOffset(), path);
        return false;
    }

    // Get all IDs inside the file
    HashSet<Guid> ids;
    FindObjectIds(document, document, ids);

    // Remap into a unique IDs
    Dictionary<Guid, Guid> remap;
    remap.EnsureCapacity(ids.Count());
    for (const auto& id : ids)
        remap.Add(id.Item, Guid::New());

    // Remap asset ID using the provided value
    auto idNode = document.FindMember("ID");
    if (idNode == document.MemberEnd())
        return true;
    remap[JsonTools::GetGuid(idNode->value)] = newId;

    // Change IDs of asset and objects inside asset
    JsonTools::ChangeIds(document, remap);

    // Save to file
    rapidjson_flax::StringBuffer buffer;
    PrettyJsonWriter writer(buffer);
    document.Accept(writer.GetWriter());
    if (File::WriteAllBytes(path, (byte*)buffer.GetString(), (int32)buffer.GetSize()))
        return true;

    return false;
#else
	LOG(Warning, "Editing cooked content is invalid.");
	return true;
#endif
}