minetest.register_node("calandria:steel", { description = "Steel", tiles = {"calandria_steel.png"}, groups = {cracky=3,level=2}, }) minetest.register_node("calandria:glass", { description = "Glass", drawtype = "glasslike_framed_optional", tiles = {"calandria_glass.png", "calandria_glass_detail.png"}, inventory_image = minetest.inventorycube("calandria_glass.png"), paramtype = "light", sunlight_propagates = true, groups = {cracky=3}, }) minetest.register_node("calandria:light", { description = "Light", drawtype = "glasslike_framed", tiles = {"calandria_light.png"}, paramtype = "light", sunlight_propagates = true, groups = {cracky = 3, oddly_breakable_by_hand = 3}, light_source = 20, })