mods/hud_manager/init.lua

   1 local minetest = minetest
   2
   3 local player_huds = {} -- the list of players hud lists (3d array)
   4 hud_manager = {}       -- hud manager class
   5
   6 -- terminate the player's list on leave
   7 minetest.register_on_leaveplayer(function(player)
   8     local name = player:get_player_name()
   9     player_huds[name] = nil
  10 end)
  11
  12 -- create instance of new hud
  13 hud_manager.add_hud = function(player,hud_name,def)
  14     local name = player:get_player_name()
  15     local local_hud = player:hud_add({
  16                 hud_elem_type = def.hud_elem_type,
  17                 position      = def.position,
  18                 text          = def.text,
  19                 number        = def.number,
  20                 direction     = def.direction,
  21                 size          = def.size,
  22                 offset        = def.offset,
  23     })
  24     -- create new 3d array here
  25     -- depends.txt is not needed
  26     -- with it here
  27     if not player_huds[name] then
  28         player_huds[name] = {}
  29     end
  30
  31     player_huds[name][hud_name] = local_hud
  32 end
  33
  34 -- delete instance of hud
  35 hud_manager.remove_hud = function(player,hud_name)
  36     local name = player:get_player_name()
  37     if player_huds[name] and player_huds[name][hud_name] then
  38         player:hud_remove(player_huds[name][hud_name])
  39         player_huds[name][hud_name] = nil
  40     end
  41 end
  42
  43 -- change element of hud
  44 hud_manager.change_hud = function(data)
  45     local name = data.player:get_player_name()
  46     if player_huds[name] and player_huds[name][data.hud_name] then
  47         data.player:hud_change(player_huds[name][data.hud_name], data.element, data.data)
  48     end
  49 end
  50
  51 -- gets if hud exists
  52 hud_manager.hud_exists = function(player,hud_name)
  53     local name = player:get_player_name()
  54     if player_huds[name] and player_huds[name][hud_name] then
  55         return(true)
  56     else
  57         return(false)
  58     end
  59 end