register a copy of the def instead of the passed def, this allows us later to spawn supporting nodes from the same original def

homedecor/handlers/inventory.lua

@@ -57,7 +57,7 @@ end
 --	locked = true,
 -- }
 --
-function homedecor.handle_inventory(name, def)
+function homedecor.handle_inventory(name, def, original_def)
 	local inventory = def.inventory
 	if not inventory then return end
 	def.inventory = nil
@@ -153,6 +153,5 @@ function homedecor.handle_inventory(name, def)
 			return allow_take and allow_take(pos, listname, index, stack, player)
 				or stack:get_count()
 		end
-
 	end
 end

homedecor/handlers/registration.lua

@@ -2,7 +2,9 @@ homedecor = homedecor or {}
 local S = homedecor.gettext
 
 --wrapper around minetest.register_node that sets sane defaults and interprets some specialized settings
-function homedecor.register(name, def)
+function homedecor.register(name, original_def)
+	local def = table.copy(original_def)
+
 	def.drawtype = def.drawtype
 		or (def.mesh and "mesh")
 		or (def.node_box and "nodebox")
@@ -19,7 +21,7 @@ function homedecor.register(name, def)
 		def.paramtype2 = def.paramtype2 or "facedir"
 	end
 
-	homedecor.handle_inventory(name, def)
+	homedecor.handle_inventory(name, def, original_def)
 
 	local infotext = def.infotext
 	--def.infotext = nil -- currently used to set locked refrigerator infotexts