show_level mod works

ROADMAP

@@ -226,15 +226,17 @@ It's really fast. May be used on a website, to show the actual map.
 - see https://github.com/chipgw/minetest-mumble-wrapper
 *** v0.0.2
 **** [feature_showLevel] Our own mod
-     CLOCK: [2018-12-30 dim. 19:23]
+     CLOCK: [2018-12-30 dim. 19:23]--[2018-12-30 dim. 20:51] =>  1:28
      CLOCK: [2018-12-30 dim. 18:06]--[2018-12-30 dim. 18:40] =>  0:34
      *xpro doesn't show total level ? Maybe write a show_level mod ?*
 - [X] First create our own mod/nint.lua with depends description etc...
-- [ ] Must get xpro mod and register two handler
-  - [ ] one for add XP
-  - [ ] One for remove
-- [ ] Find a way to permanently print the player's level
-- [ ] Maybe using HUD monitor mod : https://forum.minetest.net/viewtopic.php?f=9&t=13795&p=202584
+- [X] Must get xpro mod and register two handler
+  - [X] one for add XP
+  - [X] One for remove
+- [X] Find a way to permanently print the player's level
+- [X] Multiplayer test
+- [X] Now remove all errors
+- [ ] No XP when digging zinc and lead
 **** DONE Try an XP+levels mod
      CLOCK: [2018-12-29 sam. 15:55]--[2018-12-29 sam. 16:17] =>  0:22
   *level 2 : not showing it! but a cool annoucement with novice etc...*

TODO

@@ -11,5 +11,6 @@ minetest-solebull - LGPL-2.1 - A PVP/faction game for minetest based on Cobalt.
    
    
 * v0.0.1-4 (29 Dec. 2018 - ???) CLOC ???,???
+- show_level mod works
 - Printed show_level first text
 - Trying an XP/level mod

mods/show_level/init.lua

@@ -8,20 +8,18 @@ local update_level = function(playername)
    
    if elemid == nil then
       -- Create HUD element
-      minetest.log("error", "[show_level] Creating level HUD for "..playername)
       elemid = player:hud_add({
 	    hud_elem_type = "text",
-	    position      = {x = 0.5, y = 1},
+	    position      = {x = 0.5, y = 1}, -- from the screen bottom 
 	    offset        = {x = 0,   y = -160},
 	    text          = level,
-	    alignment     = {x = 0, y = 0},  -- center aligned
-	    scale         = {x = 100, y = 30}, -- covered later
+	    alignment     = {x = 0, y = 0},    -- center aligned
+	    scale         = {x = 100, y = 30}, -- one line of text
 	    number        = 0x00FF00,
       })
    else
       -- Update
-      minetest.log("error", "[show_level] Updating level for "..playername)
-      player:hud_change(elementid, "text", level)
+      player:hud_change(elemid, "text", level)
    end
 end
 
@@ -31,10 +29,12 @@ minetest.register_on_joinplayer(function(player)
       update_level(name)
 end)
 
+-- Update when adding XPs
 xpro.register_on_add_xp(function(name, xp_added, lvl_changed)
       update_level(name)
 end)
 
-xpro.register_on_rem_xp(function(name, xp_added, lvl_changed)
+-- Update when removing XPs
+xpro.register_on_rem_xp(function(name, xp_removed, lvl_changed)
       update_level(name)
 end)