My latest LScript is a motion baker script for LightWave that bakes such things as items animated through Denis Pontonnier’s DP Kit + Node Item Motion and other “non standard” ways of animating in LW.
It also bakes all selected items, and on a test of 100 nulls, it took about 12 seconds to bake them over 100 frames, so 10.000 keys set in total. To make sure that it bakes the correct value, it runs through the timeline once, extracting the values from each selected item, and then afterwards applies those values to the respective channels: position, rotation and scale.
Once it is done baking, it goes back to the frame you were at when triggering the script, nothing grand, but just a little extra touch to make it a nicer workflow. As far as I can tell, this script will bake other tricky animations such as expression based animations and the like. Give it a spin and see if it works in your projects.
Thanks to Mikael Burman for suggesting and testing the script!
Edit: updated the script to have a GUI so you can specify the range of frames to bake.