Method FromBytes

Source/Engine/Level/Actor.cpp:1855–2025

}

bool Actor::FromBytes(const Span<byte>& data, Array<Actor*>& output, ISerializeModifier* modifier)
{
    PROFILE_CPU();
    PROFILE_MEM(Level);
    output.Clear();
    ASSERT(modifier);
    if (data.Length() <= 0)
        return true;
    MemoryReadStream stream(data.Get(), data.Length());

    // Header
    int32 engineBuild;
    stream.ReadInt32(&engineBuild);
    if (engineBuild > FLAXENGINE_VERSION_BUILD || engineBuild < 6165)
    {
        LOG(Warning, "Unsupported actors data version.");
        return true;
    }

    // Serialized objects ids (for references mapping)
#if 0
    Array<Guid> ids;
    stream.Read(ids);
    int32 objectsCount = ids.Count();
#else
    int32 objectsCount;
    stream.ReadInt32(&objectsCount);
    stream.Move<Guid>(objectsCount);
#endif
    if (objectsCount < 0)
        return true;

    // Load objects data (JSON)
    int32 bufferSize;
    stream.ReadInt32(&bufferSize);
    const char* buffer = (const char*)stream.Move(bufferSize);
    rapidjson_flax::Document document;
    {
        PROFILE_CPU_NAMED("Json.Parse");
        document.Parse(buffer, bufferSize);
    }
    if (document.HasParseError())
    {
        Log::JsonParseException(document.GetParseError(), document.GetErrorOffset());
        return true;
    }

    // Prepare
    modifier->EngineBuild = engineBuild;
    CollectionPoolCache<ActorsCache::SceneObjectsListType>::ScopeCache sceneObjects = ActorsCache::SceneObjectsListCache.Get();
    sceneObjects->Resize(objectsCount);
    SceneObjectsFactory::Context context(modifier);

    // Fix root linkage for prefab instances (eg. when user duplicates a sub-prefab actor but not a root one)
    SceneObjectsFactory::PrefabSyncData prefabSyncData(*sceneObjects.Value, document, modifier);
    SceneObjectsFactory::SetupPrefabInstances(context, prefabSyncData);
    for (auto& instance : context.Instances)
    {