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path: root/game/src/Game/Menu/OptionMenu/ResolutionSelector.gd
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extends SettingRevertButton

# REQUIREMENTS
# * UIFUN-21
# * UIFUN-28
# * UIFUN-301
# * UIFUN-302

@export var default_value : Vector2i = Resolution.error_resolution

func _find_resolution_index_by_value(value : Vector2i) -> int:
   for item_index in item_count:
      if get_item_metadata(item_index) == value:
         return item_index
   return -1

func _sync_resolutions(
   value : Vector2i = Resolution.error_resolution,
   _resolution_name = null,
   _resolution_display_name = null
) -> void:
   clear()
   default_selected = -1
   selected = -1
   var resolution_list := Resolution.get_resolution_value_list()
   if value != Resolution.error_resolution:
      resolution_list.append(value)
   for resolution_value in resolution_list:
      var display_name := "%sx%s" % [resolution_value.x, resolution_value.y]
      var resolution_name := Resolution.get_resolution_name(resolution_value)
      if resolution_name == &"Default":
         display_name = "Default (%s)" % resolution_name
      if not resolution_name.is_empty():
         display_name = "%s (%s)" % [display_name, resolution_name + (", Default" if resolution_value == default_value else "")]
      add_item(display_name)
      set_item_metadata(item_count - 1, resolution_value)

      if resolution_value == default_value:
         default_selected = item_count - 1

      if resolution_value == Resolution.get_current_resolution():
         selected = item_count - 1

   if default_selected == -1:
      default_selected = item_count - 1

   if selected == -1:
      selected = default_selected

func _setup_button() -> void:
   Resolution.resolution_added.connect(_sync_resolutions)
   if default_value.x <= 0:
      default_value.x = ProjectSettings.get_setting("display/window/size/viewport_width")
   if default_value.y <= 0:
      default_value.y = ProjectSettings.get_setting("display/window/size/viewport_height")
   if not Resolution.has_resolution(default_value):
      Resolution.add_resolution(default_value, &"Default")
   else:
      _sync_resolutions()

func _get_value_for_file(select_value : int) -> Variant:
   if _valid_index(select_value):
      return get_item_metadata(select_value)
   else:
      return null

func _set_value_from_file(load_value) -> void:
   var target_resolution := Resolution.error_resolution
   match typeof(load_value):
      TYPE_VECTOR2I: target_resolution = load_value
      TYPE_STRING, TYPE_STRING_NAME: target_resolution = Resolution.get_resolution_value_from_string(load_value)
   if target_resolution != Resolution.error_resolution:
      selected = _find_resolution_index_by_value(target_resolution)
      if selected != -1: return
      if Resolution.add_resolution(target_resolution):
         Resolution.set_resolution(target_resolution)
         return
   push_error("Setting value '%s' invalid for setting [%s] %s" % [load_value, section_name, setting_name])
   selected = default_selected

func _on_option_selected(index : int, by_user : bool) -> void:
   if _valid_index(index):
      if by_user:
         print("Start Revert Countdown!")
         revert_dialog.show_dialog.call_deferred(self)
         previous_index = _find_resolution_index_by_value(Resolution.get_current_resolution())

      Resolution.set_resolution(get_item_metadata(index))
   else:
      push_error("Invalid ResolutionSelector index: %d" % index)
      reset_setting(not by_user)