-- not every fork of basic_materials has all the nodes if minetest.registered_nodes["basic_materials:concrete_block"] then stairsplus_legacy.register_legacy("basic_materials:concrete_block") end if minetest.registered_nodes["basic_materials:cement_block"] then stairsplus_legacy.register_legacy("basic_materials:cement_block") end if minetest.registered_nodes["basic_materials:brass_block"] then stairsplus_legacy.register_legacy("basic_materials:brass_block") end