minetest.register_chatcommand("building_info", {
    func = function(name)
        local player = minetest.get_player_by_name(name)
        local ppos = player:get_pos()
        local mapblock_pos = mapblock_lib.get_mapblock(ppos)
        local data = building_lib.store:get(mapblock_pos)
        return true, "Data for mapblock " .. minetest.pos_to_string(mapblock_pos) .. ": " .. dump(data)
    end
})