end
end
+local raillike_ids = {}
+local raillike_cur_id = 0
+function core.raillike_group(name)
+ local id = raillike_ids[name]
+ if not id then
+ raillike_cur_id = raillike_cur_id + 1
+ raillike_ids[name] = raillike_cur_id
+ id = raillike_cur_id
+ end
+ return id
+end