-- Armor
function hud.set_armor()
end

if hud.show_armor then
  local shields = minetest.get_modpath("shields") ~= nil
  local armor_org_func = armor.set_player_armor

  local function get_armor_lvl(def)
    -- items/protection based display
    local lvl = def.level or 0
    local max = 63 -- full diamond armor
    if shields then
      max = 84.14 -- full diamond armor + diamond shield
    end
    -- TODO: is there a sane way to read out max values?
    local ret = lvl/max
    if ret > 1 then
      ret = 1
    end

    return tonumber(20 * ret)
  end

  function armor.set_player_armor(self, player)
    armor_org_func(self, player)
    local name = player:get_player_name()
    local def = self.def
    local armor_lvl = 0
    if def[name] and def[name].level then
      armor_lvl = get_armor_lvl(def[name])
    end
    hud.change_item(player, "armor", {number = armor_lvl})
  end
end

-- Hunger related functions
if not hud.show_hunger then
  function hud.set_hunger()
    hud.notify_hunger(1, true)
  end

  function hud.get_hunger()
    hud.notify_hunger(1, true)
  end

  function hud.item_eat(hp_change, replace_with_item)
    return function(itemstack, user, pointed_thing)
      hud.notify_hunger(1, true)
      local func = minetest.item_eat(hp_change, replace_with_item)
      return func(itemstack, user, pointed_thing)
    end
  end

  function hud.save_hunger()
    hud.notify_hunger(1, true)
  end
  
  function hud.load_hunger(player)
    hud.notify_hunger(1, true)
  end
end