builtin/game/features.lua

   1 -- Minetest: builtin/features.lua
   2
   3 core.features = {
   4         glasslike_framed = true,
   5         nodebox_as_selectionbox = true,
   6         chat_send_player_param3 = true,
   7         get_all_craft_recipes_works = true,
   8         use_texture_alpha = true,
   9         no_legacy_abms = true,
  10         texture_names_parens = true,
  11         area_store_custom_ids = true,
  12         add_entity_with_staticdata = true,
  13         no_chat_message_prediction = true,
  14 }
  15
  16 function core.has_feature(arg)
  17         if type(arg) == "table" then
  18                 local missing_features = {}
  19                 local result = true
  20                 for ftr in pairs(arg) do
  21                         if not core.features[ftr] then
  22                                 missing_features[ftr] = true
  23                                 result = false
  24                         end
  25                 end
  26                 return result, missing_features
  27         elseif type(arg) == "string" then
  28                 if not core.features[arg] then
  29                         return false, {[arg]=true}
  30                 end
  31                 return true, {}
  32         end
  33 end