Alternatively, beat blocks.
A download link can be found here:
https://drive.google.com/file/d/11vN11z ... sp=sharing
Installation instructions can be found in the handbook
or in my thread
Modifications and adaptations of the code is permitted. If you use this particular code as a basis for an enhanced version of these NPCs, please give credit.
How to use:
Look at example.lua in the download directory.