EinsDreiDreiSieben/mods/moreblocks/stairsplus/api/shape.lua

48 lines
1.2 KiB
Lua

local f = string.format
local api = stairsplus.api
api.registered_on_register_shapes = {}
api.registered_shapes = {}
api.shapes_by_group = {}
function api.register_on_register_shape(func)
table.insert(api.registered_on_register_shapes, func)
end
function api.register_shape(name, def)
stairsplus.log("info", "registering shape %q", name)
def.shape_groups = def.shape_groups or {}
api.registered_shapes[name] = def
for group in pairs(def.shape_groups) do
local shapes = api.shapes_by_group[group] or {}
table.insert(shapes, name)
api.shapes_by_group[group] = shapes
end
for _, func in ipairs(api.registered_on_register_shapes) do
func(name, def)
end
end
function api.register_shape_group(shape_group, shapes)
for _, shape in ipairs(shapes) do
api.registered_shapes[shape].shape_groups[shape_group] = 1
end
api.shapes_by_group[shape_group] = shapes
end
function api.guess_shape(node_name)
local mod, namepart = node_name:match("^([^:]+):([^:]+)$")
if not (mod and namepart) then
return
end
for name, def in pairs(api.registered_shapes) do
local pattern = def.name_format:gsub("%%s", "(.*)")
local matched = namepart:match(pattern)
if matched and minetest.registered_nodes[f("%s:%s", mod, matched)] then
return name
end
end
end