Should update show_level HUD

mods/show_level/init.lua

@@ -3,22 +3,25 @@
 local elemid = nil -- Needed to update existing HUD element
 
 local update_level = function(playername)
+   local level = ""..xpro.get_player_lvl(playername)
    local player = minetest.get_player_by_name(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 = 0.5},
-	    offset        = {x = 0,   y = 0},
-	    text          = "Hello world!",
+	    position      = {x = 0.5, y = 1},
+	    offset        = {x = 0,   y = -160},
+	    text          = level,
 	    alignment     = {x = 0, y = 0},  -- center aligned
 	    scale         = {x = 100, y = 30}, -- covered later
+	    number        = 0x00FF00,
       })
    else
       -- Update
       minetest.log("error", "[show_level] Updating level for "..playername)
+      player:hud_change(elementid, "text", level)
    end
 end
 
@@ -29,6 +32,9 @@ minetest.register_on_joinplayer(function(player)
 end)
 
 xpro.register_on_add_xp(function(name, xp_added, lvl_changed)
-      minetest.log("error", "[show_level] Updating level")
-      
+      update_level(name)
+end)
+
+xpro.register_on_rem_xp(function(name, xp_added, lvl_changed)
+      update_level(name)
 end)