Method SaveTimeline

Source/Engine/Content/Assets/Animation.cpp:229–394

}

bool Animation::SaveTimeline(BytesContainer& data)
{
    if (OnCheckSave())
        return true;
    ScopeLock lock(Locker);
    MemoryReadStream stream(data.Get(), data.Length());

    // Version
    int32 version;
    stream.Read(version);
    switch (version)
    {
    case 3: // [Deprecated on 03.09.2021 expires on 03.09.2023]
    case 4:
    {
        // Meta
        float fps;
        stream.Read(fps);
        Data.FramesPerSecond = static_cast<double>(fps);
        int32 duration;
        stream.Read(duration);
        Data.Duration = static_cast<double>(duration);
        int32 tracksCount;
        stream.Read(tracksCount);

        // Tracks
        Data.Channels.Clear();
        Events.Clear();
        NestedAnims.Clear();
        Dictionary<int32, int32> animationChannelTrackIndexToChannelIndex;
        animationChannelTrackIndexToChannelIndex.EnsureCapacity(tracksCount);
        for (int32 trackIndex = 0; trackIndex < tracksCount; trackIndex++)
        {
            const byte trackType = stream.ReadByte();
            const byte trackFlags = stream.ReadByte();
            int32 parentIndex, childrenCount;
            stream.Read(parentIndex);
            stream.Read(childrenCount);
            String name;
            stream.Read(name, -13);
            Color32 color;
            stream.Read(color);
            switch (trackType)
            {
            case 17:
            {
                // Animation Channel track
                const int32 channelIndex = Data.Channels.Count();
                animationChannelTrackIndexToChannelIndex[trackIndex] = channelIndex;
                auto& channel = Data.Channels.AddOne();
                channel.NodeName = name;
                break;
            }
            case 18:
            {
                // Animation Channel Data track
                const byte type = stream.ReadByte();
                int32 keyframesCount;