refactor node structure

scripts/MainMenu.gd

@@ -0,0 +1,34 @@
+class_name MainMenu
+extends Control
+
+signal button_pressed(button_name)
+
+# Connect main menu to Main game
+
+func set_ready():
+	self.connect("button_pressed", self.get_parent()._on_mainmenu_button_pressed, CONNECT_PERSIST)
+	self.find_child("Menu_ResumeGame").disabled = true
+
+func _on_menu_new_game_pressed():
+	emit_signal("button_pressed", Globals.MAINMENU_NEW_GAME)
+
+
+func _on_menu_load_game_pressed():
+	emit_signal("button_pressed", Globals.MAINMENU_LOAD_GAME)
+
+
+func _on_menu_resume_game_pressed():
+	emit_signal("button_pressed", Globals.MAINMENU_RESUME_GAME)
+
+
+func _on_menu_options_pressed():
+	emit_signal("button_pressed", Globals.MAINMENU_OPTIONS)
+
+
+func _on_menu_credits_pressed():
+	emit_signal("button_pressed", Globals.MAINMENU_CREDITS)
+
+
+func _on_menu_exit_game_pressed():
+	emit_signal("button_pressed", Globals.MAINMENU_QUIT_GAME)
+