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path: root/game/src/Game/Menu/OptionMenu/OptionsMenu.gd
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extends Control

# REQUIREMENTS
# * SS-13

signal back_button_pressed

func _ready():
   # Prepare options menu before loading user settings
   var tab_bar : TabBar = $Margin/Tab.get_child(0, true)

   # This ends up easier to manage then trying to manually recreate the TabContainer's behavior
   # These buttons can be accessed regardless of the tab
   var button_list := HBoxContainer.new()
   button_list.set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
   button_list.alignment = BoxContainer.ALIGNMENT_END
   tab_bar.add_child(button_list)

   # REQUIREMENTS
   # * UI-12
   # * UIFUN-14
   var reset_button := Button.new()
   reset_button.text = "OPTIONS_RESET"
   reset_button.pressed.connect(Events.Options.try_reset_settings)
   button_list.add_child(reset_button)

   # REQUIREMENTS
   # * UI-11
   # * UIFUN-17
   var back_button := Button.new()
   back_button.text = "OPTIONS_BACK"
   back_button.pressed.connect(_on_back_button_pressed)
   button_list.add_child(back_button)
   get_viewport().get_window().close_requested.connect(_on_window_close_requested)
   _save_overrides.call_deferred()
   Events.Options.save_settings.connect(func(_f): self._save_overrides.call_deferred())

func _notification(what):
   match what:
      NOTIFICATION_CRASH:
         _on_window_close_requested()

func _input(event):
   if self.is_visible_in_tree():
      if event.is_action_pressed("ui_cancel"):
         _on_back_button_pressed()

func _on_back_button_pressed():
   Events.Options.save_settings_to_file()
   back_button_pressed.emit()

func _on_window_close_requested() -> void:
   if visible:
      Events.Options.save_settings_to_file()

func _save_overrides() -> void:
   var override_path : String = ProjectSettings.get_setting("application/config/project_settings_override", "")
   if override_path.is_empty():
      override_path = ProjectSettings.get_setting(Events.Options.settings_file_path_setting, Events.Options.settings_file_path_default)
   var file := ConfigFile.new()
   var err_ret := file.load(override_path)
   if err_ret != OK: push_error("Failed to load overrides from %s" % override_path)
   file.set_value("display", "window/size/mode", get_viewport().get_window().mode)
   var resolution : Vector2i = Resolution.get_current_resolution()
   file.set_value("display", "window/size/viewport_width", resolution.x)
   file.set_value("display", "window/size/viewport_height", resolution.y)
   err_ret = file.save(override_path)
   if err_ret != OK: push_error("Failed to save overrides to %s" % override_path)