Late connection

scripts/gui/hud/player_round_display.gd

@@ -5,6 +5,7 @@ extends Label
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
 	Session.round_started.connect(update)
+	Session.session_started.connect(update)
 
 func update():
 	if our_side:

scripts/gui/lobby/lobby_buttons.gd

@@ -3,13 +3,5 @@ extends Node
 func _ready() -> void:
 	Lobby.lobby_joined.connect(on_lobby_joined)
 
-func _on_leave_button_pressed() -> void:
-	Lobby.leave()
-	$"../..".hide()
-	$"../../../MainMenu".show()
-
-func _on_start_button_pressed() -> void:
-	Lobby.start_game.rpc()
-
 func on_lobby_joined() -> void:
 	$StartButton.hide()

scripts/gui/main_menu_gui.gd

@@ -1,8 +1,9 @@
-extends Node
+extends Control
 
 
 func _ready() -> void:
 	Lobby.lobby_joined.connect(hide_host_buttons)
+	Session.session_started.connect(hide)
 	Lobby.lobby_created.connect(show_host_buttons)
 	Lobby.lobby_closed.connect(cleanup_lobby)
 	Lobby.update_teams_state.connect(on_player_switched_team)
@@ -20,7 +21,7 @@ func cleanup_lobby() -> void:
 
 
 func _on_start_button_pressed() -> void:
-	Lobby.start_game.rpc()
+	Lobby.start_game()
 
 func hide_host_buttons() -> void:
 	%StartButton.hide()