-- register shapes (e.g. 1/16 slab, 1/8 slab, 1/4 slab, etc) --[[ stairsplus.api.register_shape("micro_1", { name_format = "micro_%s_1", description = "@1 1/16 Microblock", shape_groups = {micro = 1}, eighths = 1, drawtype = "nodebox", node_box = { type = "fixed", fixed = {-0.5, -0.5, 0, 0, -0.4375, 0.5}, }, }) ]] local api = stairsplus.api api.registered_shapes = {} api.shapes_by_group = {} function api.register_shape(name, def) stairsplus.log("info", "registering shape %q", name) api.registered_shapes[name] = def for group in pairs(def.shape_groups or {}) do local shapes = api.shapes_by_group[group] or {} table.insert(shapes, name) api.shapes_by_group[group] = shapes end end