init.lua

   1 -- Boilerplate to support localized strings if intllib mod is installed.
   2 local S
   3 if minetest.get_modpath("intllib") then
   4         S = intllib.Getter()
   5 else
   6         S = function(s) return s end
   7 end
   8
   9 local buttons = {}
  10 local buttons_num = 0
  11
  12 local button_prefix = "sfinv_button_"
  13
  14 sfinv_buttons = {}
  15
  16
  17 sfinv_buttons.register_button = function(name, def)
  18         buttons[name] = def
  19         buttons_num = buttons_num + 1
  20 end
  21
  22 local MAX_ROWS = 9
  23
  24 sfinv.register_page("sfinv_buttons:buttons", {
  25         title = S("More"),
  26         is_in_nav = function(self, player, context)
  27                 return buttons_num > 0
  28         end,
  29         get = function(self, player, context)
  30                 local f = ""
  31                 local y = 0
  32                 local x = 0
  33                 local w
  34                 if buttons_num > MAX_ROWS then
  35                         w = 3
  36                 else
  37                         w = 7
  38                 end
  39                 for name, def in pairs(buttons) do
  40                         if def.image ~= nil then
  41                                 f = f .. "image["..(x+0.1)..","..(y+0.1)..";0.8,0.8;"..def.image.."]"
  42                         end
  43                         local button_id = minetest.formspec_escape(button_prefix .. name)
  44                         f = f .. "button["..
  45                                 (x+1)..","..y..";"..w..",1;"..
  46                                 button_id..";"..
  47                                 minetest.formspec_escape(def.title)..
  48                                 "]"
  49                         if def.tooltip ~= nil then
  50                                 f = f .. "tooltip["..button_id..";"..
  51                                         minetest.formspec_escape(def.tooltip).."]"
  52                         end
  53                         y = y + 1
  54                         if y >= MAX_ROWS then
  55                                 y = 0
  56                                 x = x + 4
  57                         end
  58                 end
  59                 return sfinv.make_formspec(player, context, f)
  60         end,
  61         on_player_receive_fields = function(self, player, context, fields)
  62                 for widget_name, _ in pairs(fields) do
  63                         local id = string.sub(widget_name, string.len(button_prefix) + 1, -1)
  64                         if buttons[id] ~= nil and buttons[id].action ~= nil then
  65                                 buttons[id].action(player)
  66                         end
  67                 end
  68         end,
  69 })