Editor: team toggler is now hidden if no team has been declared

_editor/editor_icons.lua

@@ -25,7 +25,7 @@ minetest.register_tool("arena_lib:editor_players", {
       arena_lib.HUD_send_msg("hotbar", user:get_player_name(), S("Players | num to set: @1 (left/right click slot #3 to change)", 2))
 
       minetest.after(0, function()
-        arena_lib.give_players_tools(user:get_inventory(), arena)
+        arena_lib.give_players_tools(user:get_inventory(), mod, arena)
       end)
     end
 

_editor/tools_players.lua

@@ -129,13 +129,18 @@ minetest.register_tool("arena_lib:players_teams_off", {
 
 
 
-function arena_lib.give_players_tools(inv, arena)
+function arena_lib.give_players_tools(inv, mod, arena)
 
   inv:set_list("main", players_tools)
 
   inv:set_stack("main", 1, "arena_lib:players_min " .. arena.min_players)
   inv:set_stack("main", 2, "arena_lib:players_max " .. arena.max_players)
 
+  local mod_ref = arena_lib.mods[mod]
+
+  -- se non ha le squadre, non do l'oggetto per attivarle/disattivarle
+  if not next(mod_ref.teams) then return end
+
   if arena.teams_enabled then
     inv:set_stack("main", 5, "arena_lib:players_teams_on")
   else

api.lua

@@ -431,7 +431,7 @@ function arena_lib.toggle_teams_per_arena(sender, mod, arena_name, enable, in_ed
   end
 
   -- se non ci sono team nella mod, annullo
-  if #arena_lib.mods[mod].teams == 1 then
+  if not next(arena_lib.mods[mod].teams) then
     minetest.chat_send_player(sender, minetest.colorize("#e6482e", S("[!] Teams are not enabled!")))
     return end