mods/elidragon_grouplist/init.lua

   1 local grouplist = {}
   2 grouplist.lists = {}
   3
   4 function grouplist.register(group)
   5         local list = {}
   6         grouplists.lists[group] = list
   7         return list
   8 end
   9
  10 function grouplist.get(group)
  11         return grouplist.lists[group] or {}
  12 end
  13
  14 function grouplist.insert(item, group)
  15         table.insert(grouplist.get(group), item)
  16 end
  17
  18 minetest.register_on_mods_loaded(function()
  19         for nodename, nodedef in pairs(minetest.registered_items) do
  20                 for group, list in pairs(grouplist.lists) do
  21                         if nodedef.groups[group] and nodedef.groups[group] > 0 then
  22                                 table.insert(list, nodename)
  23                         end
  24                 end
  25         end
  26 end)
  27
  28 elidragon.grouplist = grouplist