Celeborn2BeAlive
commented
3 years ago Hi @lyuma, thanks for your interest for Mixer. Modifiers should be supported in September 2020, right now several developers of our team are on vacation (including myself) so developments are a bit slower. Thanks for the proposal for these new message types, but we don't need new specialized messages anymore. Indeed, we implemented a generic mechanism that should support, in the end, all Blender data types (with some special cases, but hopefully not too much). So modifiers, armatures (#11), but also animations actions and keyframes (#12) will be supported without the need to add specific message types.
If you want more information about this system, you can start by reading https://github.com/ubisoft/mixer/blob/master/doc/synchronization.md that gives an overview of our two synchronization mechanisms and what we want to achieve. The generic sync mechanism is implemented in the package https://github.com/ubisoft/mixer/tree/master/mixer/blender_data You can search in the whole codebase references to functions from this packages, but I'm correct they should all be in:
- https://github.com/ubisoft/mixer/blob/master/mixer/blender_client/__init__.py
- https://github.com/ubisoft/mixer/blob/master/mixer/blender_client/data.py
- https://github.com/ubisoft/mixer/blob/master/mixer/handlers.py
As a user, to enable the generic synchronization mode, you need to check the "Experimental sync" checkbox in the room interface. Right now we have enabled sync of Lights, Cameras, Scenes, VSE and Metaballs with this mode. Other objects are still synced with our old mode (so both mode are mixed together when you check the option). If you want to try to enable more things to be synced (like Modifiers for example), you need to do it in the code. For that @feeefeee can give you more detailed information since he is the main developer of the blender_data package.
feeefeee
We have meshes which use modifiers for a non-destructive workflow. For example: Subdivision Surface; Mirror modifiers, Boolean Modifier, or Armature modifier (part of proposal #11 ).
I would expect the original mesh to be synced, as well as the list of modifiers and properties.
For the basic implementation--syncing modifiers--this could be done using messages for ADD_MODIFIER / MODIFIER_UPDATE and REMOVE_MODIFIER and a dictionary of modifier type and some properties, as well as the order of the modifier in the Blender modifier stack.