
After a good bit of trial and error, and asking questions... I have rewritten the override code and it works. (tested, slabs can now be used to make composters and barrels with this method.)
mcl_bamboo
This mod adds simple bamboo nodes to your Mineclone 2 world.
Code redo for Mineclone 2: Michieal. Original bamboo code by: Krock.
License for code: GPL3; images / textures: CC-BY-SA. Images Created by Michieal, except for: Inventory / wield image: created by RandomLegoBrick#8692 and is CC0.
Dependencies: mcl_core, mcl_sounds, mcl_tools
Optional Dependencies = mcl_flowerpots, mclx_stairs, mcl_doors, mcl_signs, mesecons_pressureplates, mcl_fences, mesecons_button
Special thanks to Nicu for help with the nodebox stalk design.
Original code's forum topic: Forum topic: https://forum.minetest.net/viewtopic.php?id=8289