* Update RT64 for vertex velocity segment support.
* Switch to using extended velocity data for CPU skinning.
* Integrate actor tracking into vertex velocity calculation
* Add vertex velocity calculation to overlay draws (e.g. Clanker)
---------
Co-authored-by: Mr-Wiseguy <mrwiseguyromhacking@gmail.com>
* WIP note saving implementation
* Fix note saving affecting other files
* Prevent note collection in demo playback for safety
* Cache note saving enabled while in the lair or file select to prevent it changing in levels with notes
* Prevent "Grunty's magic" note dialog from being shown if note saving is enabled
* Implement dynamically spawned note saving
* Properly clear loaded save extension data when score status is cleared
* Hook up menu for note saving