class_name TitleScreen
extends Control

const SaveInspectionType = preload("res://save/player_save_inspection.gd")
const SaveManagerType = preload("res://save/player_save_manager.gd")
const SettingsManagerType = preload(
	"res://settings/player_settings_manager.gd"
)
const SettingsPanelType = preload("res://ui/settings_panel.gd")
const FullscreenMenuPresentationType = preload(
	"res://ui/fullscreen_menu_presentation.gd"
)
const ControllerFocusNavigationType = preload(
	"res://ui/controller_focus_navigation.gd"
)
const BubbleButtonType = preload(
	"res://ui/components/bubble_menu/bubble_button.gd"
)
const BubbleClusterType = preload(
	"res://ui/components/bubble_menu/bubble_cluster.gd"
)
const TitleConfirmationBubblePageType = preload(
	"res://ui/title_confirmation_bubble_page.gd"
)
const TitleCreditsPageType = preload("res://ui/title_credits_page.gd")
const NetworkSessionType = preload("res://network/network_session.gd")
const SavedServerStoreType = preload("res://network/saved_server_store.gd")
const JoinGamePageType = preload("res://ui/network/join_game_page.gd")
const NewGameSetupPageType = preload("res://ui/new_game_setup_page.gd")
const SaveSlotsPageType = preload("res://ui/save_slots_page.gd")
const CurrencyPresentationType = preload(
	"res://ui/currency_presentation.gd"
)
const LOGO_ASPECT_RATIO: float = 2560.0 / 480.0
const LOGO_WIDTH_FACTOR: float = 0.4784
const LOGO_MIN_WIDTH: float = 294.0
const LOGO_MAX_WIDTH: float = 662.0
const TITLE_HORIZONTAL_MARGIN: float = 48.0
const TITLE_DESKTOP_REFERENCE_SIZE: Vector2 = Vector2(1280.0, 720.0)
const TITLE_COMPACT_REFERENCE_SIZE: Vector2 = Vector2(640.0, 480.0)
const BUBBLE_FIELD_MAX_WIDTH: float = 500.0
const BUBBLE_FIELD_DESKTOP_HEIGHT: float = 360.0
const BUBBLE_FIELD_COMPACT_WIDTH: float = 294.0
const BUBBLE_FIELD_COMPACT_HEIGHT: float = 200.0
const BUBBLE_FIELD_DESKTOP_OFFSET_Y: float = -10.0
const BUBBLE_COMPACT_HEIGHT_THRESHOLD: float = 560.0
const START_PROMPT_MIN_SCALE: float = 0.985
const START_PROMPT_MAX_SCALE: float = 1.015
const START_PROMPT_CYCLE_SECONDS: float = 3.0
const QUICK_MENU_ENTER_DURATION: float = 0.14
const QUICK_MENU_EXIT_DURATION: float = 0.10
const QUICK_MENU_ENTER_SCALE: float = 0.97
const INTRO_PROMPT_FADE_DURATION: float = 0.24
const INTRO_LOGO_FLOAT_DURATION: float = 0.72
const INTRO_MENU_REVEAL_DELAY: float = 0.34
const INTRO_MENU_REVEAL_DURATION: float = 0.30
const INTRO_LOGO_CENTER_Y_RATIO: float = 0.43

signal new_game_requested(world_layout: StringName, world_seed: int)
signal continue_game_requested
signal slot_play_requested(slot_id: String)
signal new_slot_requested(
	display_name: String,
	world_layout: StringName,
	world_seed: int,
	duplicate_source_slot_id: String,
)
signal quit_requested
signal join_game_requested(endpoint: String)

enum ConfirmationAction {
	NONE,
	DELETE_SAVE,
}

@onready var _play_button: BubbleButtonType = %PlayButton
@onready var _new_game_button: BubbleButtonType = %NewGameButton
@onready var _settings_button: BubbleButtonType = %SettingsButton
@onready var _credits_button: BubbleButtonType = %CreditsButton
@onready var _delete_button: BubbleButtonType = %DeleteSaveButton
@onready var _quit_button: BubbleButtonType = %QuitButton
@onready var _join_game_button: BubbleButtonType = %JoinGameButton
@onready var _feedback_label: RichTextLabel = %FeedbackLabel
@onready var _continue_stats_drawer: RichTextLabel = %ContinueStatsDrawer
@onready var _confirmation_page: TitleConfirmationBubblePageType = (
	%ConfirmationPage
)
@onready var _settings_panel: SettingsPanelType = %SettingsPanel
@onready var _title_presentation_scale_root: Control = (
	%TitlePresentationScaleRoot
)
@onready var _background: ColorRect = %Background
@onready var _title_logo: TextureRect = %TitleLogo
@onready var _playtest_label: Label = %PlaytestLabel
@onready var _presentation_center: CenterContainer = %Center
@onready var _main_content: VBoxContainer = %MainContent
@onready var _branding_slot: Control = %BrandingSlot
@onready var _branding_motion_root: Control = %BrandingMotionRoot
@onready var _version_row: Control = %VersionRow
@onready var _button_center: CenterContainer = %ButtonCenter
@onready var _bubble_layout_slot: Control = %BubbleLayoutSlot
@onready var _bubble_motion_root: Control = %BubbleMotionRoot
@onready var _bubble_field: BubbleClusterType = %BubbleField
@onready var _start_prompt_center: CenterContainer = %StartPromptCenter
@onready var _start_prompt_label: Label = %StartPromptLabel
@onready var _join_game_page: JoinGamePageType = %JoinGamePage
@onready var _new_game_setup_page: NewGameSetupPageType = %NewGameSetupPage
@onready var _credits_page: TitleCreditsPageType = %CreditsPage
@onready var _save_slots_page: SaveSlotsPageType = %SaveSlotsPage

var _save_manager: SaveManagerType
var _settings_manager: SettingsManagerType
var _inspection: SaveInspectionType
var _confirmation_action: ConfirmationAction = ConfirmationAction.NONE
var _action_in_progress: bool = false
var _awaiting_start_input: bool = false
var _start_prompt_elapsed: float = 0.0
var _navigation_focus_active: bool = false
var _modal_restore_navigation_focus: bool = false
var _world_pixel_size: int = PlayerSettings.DEFAULT_WORLD_PIXEL_SIZE
var _title_settings_transition: Tween
var _title_settings_transition_generation: int = 0
var _title_settings_transition_active: bool = false
var _title_bubble_rest_position: Vector2 = Vector2.ZERO
var _title_content_rest_position: Vector2 = Vector2.ZERO
var _title_entry_transition: Tween
var _title_entry_generation: int = 0
var _title_entry_transition_active: bool = false
var _intro_geometry_ready: bool = false
var _intro_layout_generation: int = 0
var _feedback_visible_before_settings: bool = false
var _feedback_text_before_settings: String = ""
var _continue_stats_hovered: bool = false
var _continue_stats_focused: bool = false
var _continue_stats_fade: Tween
var _confirmation_transition: Tween
var _confirmation_transition_generation: int = 0
var _confirmation_transition_active: bool = false
var _confirmation_title_content_rest_position: Vector2 = Vector2.ZERO


func _ready() -> void:
	var release_version: String = str(
		ProjectSettings.get_setting("application/config/version", "")
	).strip_edges()
	if not release_version.is_empty():
		_playtest_label.text = "v%s" % release_version
	_play_button.pressed.connect(_on_continue_pressed)
	_play_button.mouse_entered.connect(
		_on_continue_stats_hover_changed.bind(true)
	)
	_play_button.mouse_exited.connect(
		_on_continue_stats_hover_changed.bind(false)
	)
	_play_button.focus_entered.connect(
		_on_continue_stats_focus_changed.bind(true)
	)
	_play_button.focus_exited.connect(
		_on_continue_stats_focus_changed.bind(false)
	)
	_new_game_button.pressed.connect(_on_new_game_pressed)
	_join_game_button.pressed.connect(_open_join_game)
	_new_game_setup_page.start_requested.connect(_start_configured_new_game)
	_new_game_setup_page.back_requested.connect(_close_new_game_setup)
	_settings_button.pressed.connect(_open_settings)
	_credits_button.pressed.connect(_open_credits)
	_delete_button.pressed.connect(_on_delete_pressed)
	%QuitButton.pressed.connect(_on_quit_pressed)
	_confirmation_page.confirmed.connect(_on_confirmation_accepted)
	_confirmation_page.cancelled.connect(_request_close_confirmation)
	_settings_panel.applied.connect(_on_settings_applied)
	_settings_panel.closed.connect(_on_settings_closed)
	_settings_panel.closing.connect(_on_settings_closing)
	_settings_panel.opened.connect(_on_settings_opened)
	_credits_page.back_requested.connect(_close_credits)
	_save_slots_page.back_requested.connect(_close_save_slots)
	_save_slots_page.play_requested.connect(_on_slot_play_requested)
	_save_slots_page.create_requested.connect(_on_new_slot_requested)
	_bubble_field.configure(_get_title_buttons())
	_bubble_field.motion_scale = 1.0
	visibility_changed.connect(_on_title_visibility_changed)
	resized.connect(_update_responsive_title_stage)
	get_window().size_changed.connect(_update_responsive_title_stage)
	_start_prompt_label.resized.connect(_update_start_prompt_pivot)
	set_process(false)
	call_deferred("_update_responsive_title_stage")
	call_deferred("_update_start_prompt_pivot")
	call_deferred("_capture_title_bubble_rest_position")
	call_deferred("_capture_title_content_rest_position")


func setup(
	save_manager: SaveManagerType,
	save_slots: PlayerSaveSlotCatalog,
	settings_manager: SettingsManagerType,
	network_session: NetworkSessionType,
	saved_servers: SavedServerStoreType,
	server_trust: ServerTrustStore,
	discovery: DiscoveryClient,
	data_root: PlayerDataRoot,
	interface_fonts: InterfaceFontController,
) -> void:
	_save_manager = save_manager
	_settings_manager = settings_manager
	_save_slots_page.setup(save_slots, data_root, interface_fonts)
	_join_game_page.setup(
		network_session, saved_servers, false, server_trust, discovery
	)
	_join_game_page.join_requested.connect(join_game_requested.emit)
	_join_game_page.back_requested.connect(_close_join_game)
	Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
	_refresh_save_inspection()
	show()
	_begin_title_entry()


func reopen() -> void:
	_cancel_title_entry_transition()
	_cancel_title_settings_transition()
	Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
	_prepare_awaiting_start_input()
	_reset_confirmation()
	_settings_panel.hide()
	_join_game_page.close_page()
	_new_game_setup_page.close_page()
	_credits_page.close_page()
	_save_slots_page.close_page()
	_refresh_save_inspection()
	show()
	_start_entry_prompt_animation()


func reopen_to_menu() -> void:
	reopen()
	_awaiting_start_input = false
	_stop_entry_prompt_animation()
	_start_prompt_center.hide()
	_presentation_center.show()
	_button_center.show()
	var bubble_field := get_node_or_null("%BubbleField") as Control
	if bubble_field != null:
		bubble_field.show()
	_set_title_bubbles_interactive(true)


func refresh_after_data_root_change() -> void:
	_save_slots_page.refresh_page()
	_refresh_save_inspection()


func open_join_game_page(endpoint: String = "") -> void:
	_cancel_title_entry_transition()
	_awaiting_start_input = false
	_set_title_bubbles_interactive(false)
	_release_primary_menu_focus()
	_start_prompt_center.hide()
	_presentation_center.hide()
	_settings_panel.hide()
	_confirmation_page.hide_page()
	_credits_page.close_page()
	_new_game_setup_page.close_page()
	_save_slots_page.close_page()
	_join_game_page.open_page(endpoint)


func report_network_error(message: String) -> void:
	_join_game_page.set_status(message)
	if _save_slots_page.visible:
		_save_slots_page.set_status(message)
		return
	if not _join_game_page.visible:
		_feedback_label.text = _center_feedback_text(message)
		_feedback_label.show()
		_feedback_label.modulate.a = 1.0


func _open_join_game() -> void:
	if (
		_action_in_progress
		or _is_confirmation_active()
		or _new_game_setup_page.visible
		or _credits_page.visible
		or _save_slots_page.visible
	):
		return
	open_join_game_page()


func _close_join_game() -> void:
	_join_game_page.close_page()
	_presentation_center.show()
	_button_center.show()
	_start_prompt_center.hide()
	_set_title_bubbles_interactive(true)
	_focus_initial_button()


func _open_credits() -> void:
	if (
		_action_in_progress
		or _is_confirmation_active()
		or _settings_panel.visible
		or _join_game_page.visible
		or _new_game_setup_page.visible
		or _credits_page.visible
		or _save_slots_page.visible
	):
		return
	_hide_continue_stats_context()
	var restore_navigation_focus: bool = _navigation_focus_active
	_set_title_bubbles_interactive(false)
	_release_primary_menu_focus()
	_presentation_center.hide()
	_start_prompt_center.hide()
	_credits_page.open_page(restore_navigation_focus)


func _close_credits(restore_navigation_focus: bool) -> void:
	_credits_page.close_page()
	_presentation_center.show()
	_button_center.show()
	_start_prompt_center.hide()
	_set_title_bubbles_interactive(true)
	if restore_navigation_focus:
		_navigation_focus_active = true
		_credits_button.grab_focus()
	else:
		_navigation_focus_active = false
		_release_title_focus()
	_update_continue_stats_visibility()


func is_awaiting_start_input() -> bool:
	return _awaiting_start_input


func _update_title_layout() -> void:
	if not is_node_ready():
		return
	var layout_size: Vector2 = _title_presentation_scale_root.size
	var available_width: float = maxf(
		1.0,
		layout_size.x - TITLE_HORIZONTAL_MARGIN
	)
	var logo_width: float = minf(
		clampf(
			layout_size.x * LOGO_WIDTH_FACTOR,
			LOGO_MIN_WIDTH,
			LOGO_MAX_WIDTH
		),
		available_width
	)
	_title_logo.custom_minimum_size = Vector2(
		logo_width,
		logo_width / LOGO_ASPECT_RATIO
	)
	var branding_separation: float = float(
		_main_content.get_theme_constant("separation")
	)
	var branding_size := Vector2(
		logo_width,
		logo_width / LOGO_ASPECT_RATIO
		+ branding_separation
		+ _version_row.get_combined_minimum_size().y
	)
	_branding_slot.custom_minimum_size = branding_size
	_branding_motion_root.size = branding_size
	var field_width: float = minf(BUBBLE_FIELD_MAX_WIDTH, available_width)
	var field_height: float = (
		BUBBLE_FIELD_COMPACT_HEIGHT
		if layout_size.y < BUBBLE_COMPACT_HEIGHT_THRESHOLD
		else BUBBLE_FIELD_DESKTOP_HEIGHT
	)
	if layout_size.y < BUBBLE_COMPACT_HEIGHT_THRESHOLD:
		field_width = minf(BUBBLE_FIELD_COMPACT_WIDTH, available_width)
	_bubble_layout_slot.custom_minimum_size = Vector2(field_width, field_height)
	_bubble_motion_root.size = Vector2(field_width, field_height)
	_bubble_field.custom_minimum_size = Vector2(field_width, field_height)
	var compact_layout: bool = field_height == BUBBLE_FIELD_COMPACT_HEIGHT
	_bubble_field.apply_layout(
		Vector2(field_width, field_height),
		compact_layout
	)
	_bubble_field.position = Vector2(
		0.0,
		BUBBLE_FIELD_DESKTOP_OFFSET_Y
		* field_height
		/ BUBBLE_FIELD_DESKTOP_HEIGHT,
	)
	_configure_title_controller_navigation()
	if not _title_settings_transition_active:
		call_deferred("_capture_title_bubble_rest_position")
	if _awaiting_start_input and not _title_entry_transition_active:
		_schedule_intro_presentation()
	_update_world_preview_resolution()


func _update_responsive_title_stage() -> void:
	if not is_node_ready():
		return
	var display_size := Vector2(get_window().size)
	_title_presentation_scale_root.size = TITLE_DESKTOP_REFERENCE_SIZE
	_title_presentation_scale_root.scale = Vector2.ONE * (
		FullscreenMenuPresentationType.get_profile_scale(display_size)
	)
	_title_presentation_scale_root.position = (
		FullscreenMenuPresentationType.get_profile_position(display_size)
	)
	_update_title_layout()
	if (
		_is_confirmation_active()
		and not _confirmation_page.is_transitioning()
	):
		_set_confirmation_stage_rect()


func _get_title_buttons() -> Array[BubbleButton]:
	return [
		_play_button,
		_join_game_button,
		_settings_button,
		_credits_button,
		_quit_button,
	]


func set_world_pixelation(pixel_size: int) -> void:
	_world_pixel_size = clampi(
		pixel_size,
		PlayerSettings.MIN_WORLD_PIXEL_SIZE,
		PlayerSettings.MAX_WORLD_PIXEL_SIZE
	)
	if is_node_ready():
		_update_world_preview_resolution()


func _update_world_preview_resolution() -> void:
	var displayed_size := Vector2i(
		maxi(1, roundi(size.x)),
		maxi(1, roundi(size.y))
	)
	var grid_size: Vector2i = PlayerSettings.get_world_grid_size(
		_world_pixel_size,
		displayed_size
	)
	var logo_material := _title_logo.material as ShaderMaterial
	if logo_material != null:
		var render_scale: float = (
			float(grid_size.y) / float(displayed_size.y)
		)
		var effect_scale: float = 1.0 / render_scale
		logo_material.set_shader_parameter(
			"horizontal_displacement_pixels",
			minf(2.0, 1.5 * effect_scale)
		)
		logo_material.set_shader_parameter(
			"bob_amount_pixels",
			minf(4.0, 3.0 * effect_scale)
		)


func _process(delta: float) -> void:
	if not visible:
		return
	if _awaiting_start_input and _start_prompt_center.visible:
		_start_prompt_elapsed = fmod(
			_start_prompt_elapsed + delta,
			START_PROMPT_CYCLE_SECONDS
		)
		var phase: float = (
			_start_prompt_elapsed / START_PROMPT_CYCLE_SECONDS
		)
		var pulse_weight: float = (
			sin(phase * TAU - PI * 0.5) + 1.0
		) * 0.5
		var prompt_scale: float = lerpf(
			START_PROMPT_MIN_SCALE,
			START_PROMPT_MAX_SCALE,
			pulse_weight
		)
		_start_prompt_label.scale = Vector2.ONE * prompt_scale
	if _main_content.visible and _button_center.visible:
		_bubble_field.advance_motion(delta)


func _input(event: InputEvent) -> void:
	if not visible:
		return
	if (
		_settings_panel.visible
		and _settings_panel.is_input_mapping_capturing()
	):
		return
	if _credits_page.visible:
		if _credits_page.handle_input(event):
			get_viewport().set_input_as_handled()
			return
	if _join_game_page.visible:
		if event.is_action_pressed("ui_cancel"):
			_join_game_page.request_back()
			get_viewport().set_input_as_handled()
		return
	if _new_game_setup_page.visible:
		if event.is_action_pressed("ui_cancel"):
			_new_game_setup_page.request_back()
			get_viewport().set_input_as_handled()
		return
	if _save_slots_page.visible:
		if event.is_action_pressed("ui_cancel"):
			_save_slots_page.request_back()
			get_viewport().set_input_as_handled()
		return
	if (
		_title_settings_transition_active
		or _title_entry_transition_active
		or _confirmation_transition_active
	):
		get_viewport().set_input_as_handled()
		return
	if _awaiting_start_input:
		if not _is_start_prompt_reveal_event(event):
			return
		if not _intro_geometry_ready:
			get_viewport().set_input_as_handled()
			return
		_reveal_primary_menu()
		get_viewport().set_input_as_handled()
		return
	if _handle_primary_menu_focus_input(event):
		get_viewport().set_input_as_handled()
		return
	if not event.is_action_pressed("ui_cancel"):
		return
	if _is_confirmation_active():
		_request_close_confirmation()
	elif _settings_panel.visible:
		_settings_panel.handle_back()
	else:
		return
	get_viewport().set_input_as_handled()


func _is_start_prompt_reveal_event(event: InputEvent) -> bool:
	if event is InputEventKey:
		var key_event := event as InputEventKey
		return key_event.pressed and not key_event.echo
	if event is InputEventJoypadButton:
		return (event as InputEventJoypadButton).pressed
	if event is InputEventMouseButton:
		return (event as InputEventMouseButton).pressed
	return false


func _handle_primary_menu_focus_input(event: InputEvent) -> bool:
	if (
		not _button_center.visible
		or _is_confirmation_active()
		or _settings_panel.visible
		or _new_game_setup_page.visible
		or _credits_page.visible
		or _save_slots_page.visible
	):
		return false
	if event is InputEventMouseMotion:
		_navigation_focus_active = false
		_release_primary_menu_focus()
		_update_continue_stats_visibility()
		return false
	if event is InputEventKey and (event as InputEventKey).echo:
		return false
	var moves_directionally: bool = (
		event.is_action_pressed("ui_down")
		or event.is_action_pressed("ui_right")
		or event.is_action_pressed("ui_up")
		or event.is_action_pressed("ui_left")
	)
	if not moves_directionally:
		return false
	_navigation_focus_active = true
	if _primary_menu_has_focus():
		return false
	_get_first_available_menu_button().grab_focus()
	return true


func _get_first_available_menu_button() -> Button:
	return _play_button


func _primary_menu_has_focus() -> bool:
	var focus_owner: Control = get_viewport().gui_get_focus_owner()
	return focus_owner != null and _button_center.is_ancestor_of(focus_owner)


func _release_primary_menu_focus() -> void:
	var focus_owner: Control = get_viewport().gui_get_focus_owner()
	if focus_owner != null and _button_center.is_ancestor_of(focus_owner):
		focus_owner.release_focus()


func _release_title_focus() -> void:
	var focus_owner: Control = get_viewport().gui_get_focus_owner()
	if focus_owner != null and is_ancestor_of(focus_owner):
		focus_owner.release_focus()


func _begin_title_entry() -> void:
	_prepare_awaiting_start_input()
	_start_entry_prompt_animation()


func _prepare_awaiting_start_input() -> void:
	_cancel_title_entry_transition()
	_awaiting_start_input = true
	_intro_geometry_ready = false
	_navigation_focus_active = false
	_modal_restore_navigation_focus = false
	_button_center.show()
	var bubble_field := get_node_or_null("%BubbleField") as Control
	if bubble_field != null:
		bubble_field.hide()
	call_deferred("set_process", visible)
	_feedback_label.show()
	_feedback_label.modulate.a = 0.0
	_continue_stats_hovered = false
	_continue_stats_focused = false
	_cancel_continue_stats_fade()
	_continue_stats_drawer.hide()
	_continue_stats_drawer.modulate.a = 0.0
	_continue_stats_drawer.scale = Vector2(1.0, 0.001)
	_main_content.show()
	_start_prompt_center.show()
	_start_prompt_center.modulate.a = 1.0
	_set_title_bubbles_interactive(false)
	var focus_owner: Control = get_viewport().gui_get_focus_owner()
	if focus_owner != null and is_ancestor_of(focus_owner):
		focus_owner.release_focus()
	_schedule_intro_presentation()


func _start_entry_prompt_animation() -> void:
	_start_prompt_elapsed = 0.0
	_start_prompt_label.scale = Vector2.ONE * START_PROMPT_MIN_SCALE
	_update_start_prompt_pivot()
	set_process(true)


func _stop_entry_prompt_animation() -> void:
	set_process(visible and _button_center.visible)
	_start_prompt_elapsed = 0.0
	_start_prompt_label.scale = Vector2.ONE


func _update_start_prompt_pivot() -> void:
	if not is_node_ready():
		return
	_start_prompt_label.pivot_offset = _start_prompt_label.size * 0.5


func _reveal_primary_menu() -> void:
	if (
		not _awaiting_start_input
		or not _intro_geometry_ready
		or _title_entry_transition_active
	):
		return
	_awaiting_start_input = false
	_button_center.show()
	var bubble_field := get_node_or_null("%BubbleField") as Control
	if bubble_field != null:
		bubble_field.show()
	_stop_entry_prompt_animation()
	_title_entry_generation += 1
	_title_entry_transition_active = true
	_set_title_bubbles_interactive(false)
	var generation: int = _title_entry_generation
	set_process(true)
	_navigation_focus_active = false
	_release_title_focus()
	_bubble_motion_root.position = Vector2.ZERO
	_bubble_field.pivot_offset = _bubble_field.size * 0.5
	_bubble_field.scale = Vector2.ONE * QUICK_MENU_ENTER_SCALE
	_bubble_field.modulate.a = 0.0
	_title_entry_transition = create_tween().set_parallel(true)
	_title_entry_transition.tween_property(
		_start_prompt_center,
		"modulate:a",
		0.0,
		INTRO_PROMPT_FADE_DURATION
	).set_trans(Tween.TRANS_QUAD).set_ease(Tween.EASE_IN)
	_title_entry_transition.tween_property(
		_branding_motion_root,
		"position",
		Vector2.ZERO,
		INTRO_LOGO_FLOAT_DURATION
	).set_trans(Tween.TRANS_CUBIC).set_ease(Tween.EASE_IN_OUT)
	_title_entry_transition.tween_property(
		_bubble_field,
		"scale",
		Vector2.ONE,
		INTRO_MENU_REVEAL_DURATION
	).set_trans(Tween.TRANS_QUAD).set_ease(Tween.EASE_OUT).set_delay(
		INTRO_MENU_REVEAL_DELAY
	)
	_title_entry_transition.tween_property(
		_bubble_field,
		"modulate:a",
		1.0,
		INTRO_MENU_REVEAL_DURATION
	).set_delay(INTRO_MENU_REVEAL_DELAY)
	_title_entry_transition.finished.connect(
		_finish_primary_menu_reveal.bind(generation),
		CONNECT_ONE_SHOT
	)


func _finish_primary_menu_reveal(generation: int) -> void:
	if (
		generation != _title_entry_generation
		or not _title_entry_transition_active
	):
		return
	_title_entry_transition = null
	_title_entry_transition_active = false
	_start_prompt_center.hide()
	_start_prompt_center.modulate.a = 1.0
	_branding_motion_root.position = Vector2.ZERO
	_bubble_field.scale = Vector2.ONE
	_bubble_field.modulate.a = 1.0
	_feedback_label.modulate.a = 0.0
	_set_title_bubbles_interactive(true)


func _cancel_title_entry_transition() -> void:
	_title_entry_generation += 1
	if _title_entry_transition != null:
		_title_entry_transition.kill()
		_title_entry_transition = null
	_title_entry_transition_active = false
	if is_node_ready():
		_start_prompt_center.modulate.a = 1.0
		_bubble_motion_root.position = Vector2.ZERO
		_branding_motion_root.position = Vector2.ZERO
		_bubble_field.scale = Vector2.ONE
		_bubble_field.modulate.a = 1.0


func _schedule_intro_presentation() -> void:
	_intro_layout_generation += 1
	_intro_geometry_ready = false
	call_deferred(
		"_prepare_intro_presentation",
		_intro_layout_generation
	)


func _prepare_intro_presentation(generation: int) -> void:
	await get_tree().process_frame
	await get_tree().process_frame
	if (
		generation != _intro_layout_generation
		or not is_node_ready()
		or not _awaiting_start_input
		or _title_entry_transition_active
	):
		return
	_branding_motion_root.size = _branding_slot.size
	_bubble_motion_root.size = _bubble_layout_slot.size
	_bubble_motion_root.position = Vector2.ZERO
	_title_content_rest_position = _presentation_center.position
	_title_bubble_rest_position = _bubble_field.position
	var branding_rect: Rect2 = _get_title_stage_rect(_branding_slot)
	var desired_branding_center_y: float = (
		_title_presentation_scale_root.size.y
		* INTRO_LOGO_CENTER_Y_RATIO
	)
	_branding_motion_root.position = Vector2(
		0.0,
		desired_branding_center_y - branding_rect.get_center().y,
	)
	_intro_geometry_ready = true


func _get_title_stage_rect(control: Control) -> Rect2:
	var inverse_stage_transform: Transform2D = (
		_title_presentation_scale_root.get_global_transform().affine_inverse()
	)
	var global_rect: Rect2 = control.get_global_rect()
	var local_position: Vector2 = (
		inverse_stage_transform * global_rect.position
	)
	var local_end: Vector2 = inverse_stage_transform * global_rect.end
	return Rect2(local_position, local_end - local_position)


func _on_continue_stats_hover_changed(hovered: bool) -> void:
	_continue_stats_hovered = hovered
	_update_continue_stats_visibility()


func _on_continue_stats_focus_changed(focused: bool) -> void:
	_continue_stats_focused = focused
	_update_continue_stats_visibility()


func _update_continue_stats_visibility() -> void:
	if not is_node_ready():
		return
	var requested_visible: bool = (
		_continue_stats_hovered
		or (
			_continue_stats_focused
			and _navigation_focus_active
		)
	)
	requested_visible = (
		requested_visible
		and not _play_button.disabled
		and _inspection != null
		and _inspection.status == SaveInspectionType.Status.VALID_SUPPORTED
		and not _awaiting_start_input
		and not _title_entry_transition_active
		and not _title_settings_transition_active
		and not _settings_panel.visible
		and not _is_confirmation_active()
		and not _action_in_progress
		and _presentation_center.visible
	)
	if requested_visible:
		_continue_stats_drawer.text = _get_continue_stats_text()
	_fade_continue_stats_to(1.0 if requested_visible else 0.0)


func _hide_continue_stats_context() -> void:
	_continue_stats_hovered = false
	_continue_stats_focused = false
	_fade_continue_stats_to(0.0)


func _fade_continue_stats_to(target_opacity: float) -> void:
	if not is_node_ready():
		return
	_cancel_continue_stats_fade()
	var target_scale := Vector2(
		1.0,
		1.0 if target_opacity > 0.0 else 0.001,
	)
	if target_opacity > 0.0:
		_continue_stats_drawer.show()
	if (
		is_equal_approx(
			_continue_stats_drawer.modulate.a,
			target_opacity,
		)
		and _continue_stats_drawer.scale.is_equal_approx(target_scale)
	):
		_continue_stats_drawer.modulate.a = target_opacity
		_continue_stats_drawer.scale = target_scale
		if target_opacity <= 0.0:
			_continue_stats_drawer.hide()
		return
	_continue_stats_fade = create_tween().set_parallel(true)
	_continue_stats_fade.tween_property(
		_continue_stats_drawer,
		"modulate:a",
		target_opacity,
		QUICK_MENU_ENTER_DURATION
	).set_trans(Tween.TRANS_CUBIC).set_ease(Tween.EASE_IN_OUT)
	_continue_stats_fade.tween_property(
		_continue_stats_drawer,
		"scale",
		target_scale,
		QUICK_MENU_ENTER_DURATION
	).set_trans(Tween.TRANS_CUBIC).set_ease(Tween.EASE_IN_OUT)
	if target_opacity <= 0.0:
		_continue_stats_fade.chain().tween_callback(
			_finish_continue_stats_hide
		)


func _finish_continue_stats_hide() -> void:
	_continue_stats_fade = null
	if _continue_stats_drawer.modulate.a <= 0.001:
		_continue_stats_drawer.hide()


func _cancel_continue_stats_fade() -> void:
	if _continue_stats_fade != null:
		_continue_stats_fade.kill()
		_continue_stats_fade = null


func _get_continue_stats_text() -> String:
	if (
		_inspection == null
		or _inspection.status != SaveInspectionType.Status.VALID_SUPPORTED
	):
		return ""
	return _center_feedback_text(
		"%d fish • %s • %d discovered" % [
			_inspection.catch_count,
			CurrencyPresentationType.bbcode_amount(
				_inspection.wallet_balance, 18
			),
			_inspection.discovered_species_count,
		]
	)


func _center_feedback_text(message: String) -> String:
	if message.begins_with("[center]"):
		return message
	return "[center]%s[/center]" % message


func _on_continue_pressed() -> void:
	if (
		_action_in_progress
		or _is_confirmation_active()
		or _settings_panel.visible
		or _save_slots_page.visible
	):
		return
	_hide_continue_stats_context()
	_modal_restore_navigation_focus = _navigation_focus_active
	_set_title_bubbles_interactive(false)
	_release_primary_menu_focus()
	_presentation_center.hide()
	_start_prompt_center.hide()
	_join_game_page.close_page()
	_credits_page.close_page()
	_new_game_setup_page.close_page()
	_save_slots_page.open_page()


func _close_save_slots() -> void:
	_save_slots_page.close_page()
	_presentation_center.show()
	_button_center.show()
	_start_prompt_center.hide()
	_set_title_bubbles_interactive(true)
	var restore_navigation_focus: bool = _modal_restore_navigation_focus
	_modal_restore_navigation_focus = false
	if restore_navigation_focus:
		_navigation_focus_active = true
		_play_button.grab_focus()
	else:
		_navigation_focus_active = false
		_release_title_focus()
	_update_continue_stats_visibility()


func _on_slot_play_requested(slot_id: String) -> void:
	if _action_in_progress or not _save_slots_page.visible:
		return
	_action_in_progress = true
	slot_play_requested.emit(slot_id)
	_action_in_progress = false
	if visible:
		_save_slots_page.finish_request_if_pending(
			"the save slot could not be started."
		)


func _on_new_slot_requested(
	display_name: String,
	world_layout: StringName,
	world_seed: int,
	duplicate_source_slot_id: String,
) -> void:
	if _action_in_progress or not _save_slots_page.visible:
		return
	_action_in_progress = true
	new_slot_requested.emit(
		display_name,
		world_layout,
		world_seed,
		duplicate_source_slot_id,
	)
	_action_in_progress = false
	if visible:
		_save_slots_page.finish_request_if_pending(
			"the save slot could not be created."
		)


func _on_new_game_pressed() -> void:
	if (
		_action_in_progress
		or _is_confirmation_active()
		or _settings_panel.visible
		or _inspection == null
	):
		return
	_hide_continue_stats_context()
	if _inspection.status == SaveInspectionType.Status.UNSUPPORTED_VERSION:
		_feedback_label.text = _center_feedback_text(
			"this save is from a newer game version. "
			+ "use delete save before starting over."
		)
		return
	if _inspection.status == SaveInspectionType.Status.IO_ERROR:
		_feedback_label.text = _center_feedback_text(
			"the existing save cannot be accessed safely."
		)
		return
	_open_new_game_setup(
		_inspection.status != SaveInspectionType.Status.MISSING
	)


func _open_new_game_setup(has_existing_progression: bool) -> void:
	_modal_restore_navigation_focus = _navigation_focus_active
	_set_title_bubbles_interactive(false)
	_release_primary_menu_focus()
	_presentation_center.hide()
	_start_prompt_center.hide()
	_join_game_page.close_page()
	_credits_page.close_page()
	_new_game_setup_page.open_page(has_existing_progression)


func _close_new_game_setup() -> void:
	_new_game_setup_page.close_page()
	_presentation_center.show()
	_button_center.show()
	_start_prompt_center.hide()
	_set_title_bubbles_interactive(true)
	var restore_navigation_focus: bool = _modal_restore_navigation_focus
	_modal_restore_navigation_focus = false
	if restore_navigation_focus:
		_navigation_focus_active = true
		_new_game_button.grab_focus()
	else:
		_navigation_focus_active = false
		_release_title_focus()
	_update_continue_stats_visibility()


func _start_configured_new_game(
	world_layout: StringName,
	world_seed: int,
) -> void:
	if _action_in_progress or not _new_game_setup_page.visible:
		return
	_new_game_setup_page.close_page()
	_action_in_progress = true
	new_game_requested.emit(world_layout, world_seed)
	_action_in_progress = false
	# Signal delivery is synchronous. A successful start hides this title screen;
	# if it remains visible, restore the menu so a generation error is recoverable.
	if visible:
		_presentation_center.show()
		_button_center.show()
		_set_title_bubbles_interactive(true)
		_navigation_focus_active = true
		_new_game_button.grab_focus()


func _on_delete_pressed() -> void:
	if (
		_action_in_progress
		or _is_confirmation_active()
		or _settings_panel.visible
		or _inspection == null
		or not _inspection.can_delete()
	):
		return
	_hide_continue_stats_context()
	_open_confirmation(
		ConfirmationAction.DELETE_SAVE,
		"delete your saved progression? this cannot be undone.",
		"delete"
	)


func _on_confirmation_accepted() -> void:
	if (
		_action_in_progress
		or _confirmation_transition_active
		or _confirmation_action == ConfirmationAction.NONE
	):
		return
	var action: ConfirmationAction = _confirmation_action
	_confirmation_page.lock_interaction()
	_action_in_progress = true
	if not _save_manager.delete_progression_save():
		_feedback_label.text = _center_feedback_text(
			"failed to delete saved progression."
		)
		_action_in_progress = false
		_refresh_save_inspection()
		_begin_confirmation_return()
		return
	_save_manager.initialize_new_game()
	_refresh_save_inspection()
	_feedback_label.text = _center_feedback_text("saved progression deleted.")
	_begin_confirmation_return()
	_action_in_progress = false


func _open_confirmation(
	action: ConfirmationAction,
	message: String,
	confirm_text: String,
	use_multiline_action_layout: bool = false,
) -> void:
	_hide_continue_stats_context()
	_modal_restore_navigation_focus = _navigation_focus_active
	_confirmation_action = action
	_confirmation_page.configure(
		message,
		confirm_text,
		use_multiline_action_layout
	)
	_begin_confirmation_open()


func _request_close_confirmation() -> void:
	if (
		not _confirmation_page.visible
		or _confirmation_transition_active
		or _action_in_progress
	):
		return
	_begin_confirmation_return()


func _begin_confirmation_open() -> void:
	_confirmation_transition_generation += 1
	_cancel_confirmation_transition()
	_confirmation_transition_active = true
	_confirmation_title_content_rest_position = _presentation_center.position
	_set_confirmation_stage_rect()
	_confirmation_page.hide_page()
	_set_title_bubbles_interactive(false)
	_release_primary_menu_focus()
	var generation: int = _confirmation_transition_generation
	_presentation_center.pivot_offset = _presentation_center.size * 0.5
	_confirmation_transition = create_tween().set_parallel(true)
	_confirmation_transition.tween_property(
		_presentation_center,
		"scale",
		Vector2.ONE * QUICK_MENU_ENTER_SCALE,
		QUICK_MENU_EXIT_DURATION
	).set_trans(Tween.TRANS_QUAD).set_ease(Tween.EASE_IN)
	_confirmation_transition.tween_property(
		_presentation_center,
		"modulate:a",
		0.0,
		QUICK_MENU_EXIT_DURATION
	)
	_confirmation_transition.finished.connect(
		_finish_confirmation_title_exit.bind(generation),
		CONNECT_ONE_SHOT
	)


func _finish_confirmation_title_exit(generation: int) -> void:
	if (
		generation != _confirmation_transition_generation
		or not _confirmation_transition_active
	):
		return
	_confirmation_transition = null
	_presentation_center.hide()
	_presentation_center.position = _confirmation_title_content_rest_position
	_reset_quick_menu_presentation(_presentation_center)
	_confirmation_page.transition_in(
		QUICK_MENU_ENTER_DURATION,
		_finish_confirmation_open.bind(generation)
	)


func _finish_confirmation_open(generation: int) -> void:
	if (
		generation != _confirmation_transition_generation
		or not _confirmation_transition_active
	):
		return
	_confirmation_transition_active = false


func _begin_confirmation_return() -> void:
	if not _confirmation_page.visible or _confirmation_transition_active:
		return
	_confirmation_transition_generation += 1
	_cancel_confirmation_transition()
	_confirmation_transition_active = true
	_confirmation_page.lock_interaction()
	var generation: int = _confirmation_transition_generation
	_confirmation_page.transition_out(
		QUICK_MENU_EXIT_DURATION,
		_finish_confirmation_page_exit.bind(generation)
	)


func _finish_confirmation_page_exit(generation: int) -> void:
	if (
		generation != _confirmation_transition_generation
		or not _confirmation_transition_active
	):
		return
	_confirmation_action = ConfirmationAction.NONE
	_presentation_center.position = _confirmation_title_content_rest_position
	_presentation_center.show()
	_prepare_quick_menu_enter(_presentation_center)
	_confirmation_transition = create_tween().set_parallel(true)
	_confirmation_transition.tween_property(
		_presentation_center,
		"scale",
		Vector2.ONE,
		QUICK_MENU_ENTER_DURATION
	).set_trans(Tween.TRANS_QUAD).set_ease(Tween.EASE_OUT)
	_confirmation_transition.tween_property(
		_presentation_center,
		"modulate:a",
		1.0,
		QUICK_MENU_ENTER_DURATION
	)
	_confirmation_transition.finished.connect(
		_finish_confirmation_return.bind(generation),
		CONNECT_ONE_SHOT
	)


func _finish_confirmation_return(generation: int) -> void:
	if (
		generation != _confirmation_transition_generation
		or not _confirmation_transition_active
	):
		return
	_confirmation_transition = null
	_confirmation_transition_active = false
	_presentation_center.position = _confirmation_title_content_rest_position
	_reset_quick_menu_presentation(_presentation_center)
	_set_title_bubbles_interactive(true)
	var restore_navigation_focus: bool = _modal_restore_navigation_focus
	_modal_restore_navigation_focus = false
	if restore_navigation_focus:
		_focus_initial_button()
	else:
		_navigation_focus_active = false
		_release_title_focus()
	_update_continue_stats_visibility()


func _set_confirmation_stage_rect() -> void:
	var slot_rect: Rect2 = _get_title_stage_rect(_bubble_layout_slot)
	_confirmation_page.set_stage_rect(
		slot_rect
	)


func _reset_confirmation() -> void:
	_confirmation_transition_generation += 1
	_cancel_confirmation_transition()
	_confirmation_transition_active = false
	_confirmation_action = ConfirmationAction.NONE
	_confirmation_page.hide_page()
	if is_node_ready():
		_presentation_center.position = _confirmation_title_content_rest_position
		_reset_quick_menu_presentation(_presentation_center)
		_presentation_center.show()


func _cancel_confirmation_transition() -> void:
	if _confirmation_transition != null:
		_confirmation_transition.kill()
		_confirmation_transition = null


func _is_confirmation_active() -> bool:
	return (
		_confirmation_action != ConfirmationAction.NONE
		or _confirmation_page.visible
		or _confirmation_transition_active
	)


func _open_settings() -> void:
	if (
		_is_confirmation_active()
		or _action_in_progress
		or _settings_panel.visible
		or _credits_page.visible
		or _save_slots_page.visible
		or _title_settings_transition_active
	):
		return
	_hide_continue_stats_context()
	_modal_restore_navigation_focus = _navigation_focus_active
	_feedback_visible_before_settings = _feedback_label.visible
	_feedback_text_before_settings = _feedback_label.text
	_begin_title_cluster_exit()


func _close_settings() -> void:
	_settings_panel.close_panel()


func _on_settings_applied() -> void:
	_feedback_text_before_settings = "settings saved."


func _on_settings_closed() -> void:
	_refresh_save_inspection()


func _on_settings_closing() -> void:
	await get_tree().create_timer(
		UIMotion.BUBBLE_TRANSITION_OVERLAP_DELAY
	).timeout
	if _settings_panel.visible:
		_begin_title_cluster_return(_feedback_text_before_settings)


func _on_settings_opened() -> void:
	pass


func _begin_title_cluster_exit() -> void:
	_title_settings_transition_generation += 1
	_cancel_title_settings_tween()
	_title_settings_transition_active = true
	_title_content_rest_position = _presentation_center.position
	_title_bubble_rest_position = _bubble_field.position
	_set_title_bubbles_interactive(false)
	_release_primary_menu_focus()
	var generation: int = _title_settings_transition_generation
	_presentation_center.pivot_offset = _presentation_center.size * 0.5
	_title_settings_transition = create_tween().set_parallel(true)
	_title_settings_transition.tween_property(
		_presentation_center,
		"scale",
		Vector2.ONE * QUICK_MENU_ENTER_SCALE,
		QUICK_MENU_EXIT_DURATION
	).set_trans(Tween.TRANS_QUAD).set_ease(Tween.EASE_IN)
	_title_settings_transition.tween_property(
		_presentation_center,
		"modulate:a",
		0.0,
		QUICK_MENU_EXIT_DURATION
	)
	_title_settings_transition.finished.connect(
		_finish_title_cluster_exit.bind(generation),
		CONNECT_ONE_SHOT
	)
	await get_tree().create_timer(
		UIMotion.BUBBLE_TRANSITION_OVERLAP_DELAY
	).timeout
	if (
		generation == _title_settings_transition_generation
		and _title_settings_transition_active
	):
		_settings_panel.open_panel(
			_settings_manager,
			SettingsPanelType.PresentationMode.TITLE_EMBEDDED
		)


func _finish_title_cluster_exit(generation: int) -> void:
	if (
		generation != _title_settings_transition_generation
		or not _title_settings_transition_active
	):
		return
	_title_settings_transition = null
	_title_settings_transition_active = false
	_presentation_center.hide()
	_presentation_center.position = _title_content_rest_position
	_reset_quick_menu_presentation(_presentation_center)


func _begin_title_cluster_return(feedback_text: String) -> void:
	_title_settings_transition_generation += 1
	_cancel_title_settings_tween()
	_title_settings_transition_active = true
	var centered_feedback: String = _center_feedback_text(feedback_text)
	if _feedback_label.text != centered_feedback:
		_feedback_label.text = centered_feedback
	_feedback_label.visible = _feedback_visible_before_settings
	_hide_continue_stats_context()
	_set_title_bubbles_interactive(false)
	var generation: int = _title_settings_transition_generation
	_presentation_center.position = _title_content_rest_position
	_presentation_center.show()
	_prepare_quick_menu_enter(_presentation_center)
	_title_settings_transition = create_tween().set_parallel(true)
	_title_settings_transition.tween_property(
		_presentation_center,
		"scale",
		Vector2.ONE,
		QUICK_MENU_ENTER_DURATION
	).set_trans(Tween.TRANS_QUAD).set_ease(Tween.EASE_OUT)
	_title_settings_transition.tween_property(
		_presentation_center,
		"modulate:a",
		1.0,
		QUICK_MENU_ENTER_DURATION
	)
	_title_settings_transition.finished.connect(
		_finish_title_cluster_return.bind(generation),
		CONNECT_ONE_SHOT
	)


func _finish_title_cluster_return(generation: int) -> void:
	if (
		generation != _title_settings_transition_generation
		or not _title_settings_transition_active
	):
		return
	_title_settings_transition = null
	_title_settings_transition_active = false
	_presentation_center.position = _title_content_rest_position
	_reset_quick_menu_presentation(_presentation_center)
	_bubble_field.position = _title_bubble_rest_position
	_set_title_bubbles_interactive(true)
	_restore_settings_focus()
	_update_continue_stats_visibility()

func _set_title_bubbles_interactive(interactive: bool) -> void:
	for bubble: BubbleButton in _get_title_buttons():
		if not interactive:
			bubble.reset_hover_presentation()
		bubble.focus_mode = (
			Control.FOCUS_ALL if interactive else Control.FOCUS_NONE
		)
		bubble.mouse_filter = (
			Control.MOUSE_FILTER_STOP
			if interactive
			else Control.MOUSE_FILTER_IGNORE
		)
	if interactive:
		_configure_title_controller_navigation()


func _configure_title_controller_navigation() -> void:
	ControllerFocusNavigationType.configure_spatial_neighbors(
		_get_title_buttons()
	)
	_play_button.focus_neighbor_right = (
		_play_button.get_path_to(_join_game_button)
	)
	_join_game_button.focus_neighbor_left = (
		_join_game_button.get_path_to(_play_button)
	)
	_join_game_button.focus_neighbor_bottom = (
		_join_game_button.get_path_to(_settings_button)
	)
	_settings_button.focus_neighbor_left = (
		_settings_button.get_path_to(_play_button)
	)
	_settings_button.focus_neighbor_top = (
		_settings_button.get_path_to(_join_game_button)
	)
	_settings_button.focus_neighbor_bottom = (
		_settings_button.get_path_to(_credits_button)
	)
	_credits_button.focus_neighbor_left = (
		_credits_button.get_path_to(_play_button)
	)
	_credits_button.focus_neighbor_top = (
		_credits_button.get_path_to(_settings_button)
	)
	_credits_button.focus_neighbor_bottom = (
		_credits_button.get_path_to(_quit_button)
	)
	_quit_button.focus_neighbor_left = (
		_quit_button.get_path_to(_play_button)
	)
	_quit_button.focus_neighbor_top = (
		_quit_button.get_path_to(_credits_button)
	)


func _capture_title_bubble_rest_position() -> void:
	if (
		not is_node_ready()
		or _title_settings_transition_active
		or not _button_center.visible
	):
		return
	_title_bubble_rest_position = _bubble_field.position


func _capture_title_content_rest_position() -> void:
	if (
		not is_node_ready()
		or _title_settings_transition_active
		or _title_entry_transition_active
		or not _button_center.visible
	):
		return
	_title_content_rest_position = _presentation_center.position


func _cancel_title_settings_transition() -> void:
	_title_settings_transition_generation += 1
	_cancel_title_settings_tween()
	_title_settings_transition_active = false
	if is_node_ready():
		_presentation_center.position = _title_content_rest_position
		_reset_quick_menu_presentation(_presentation_center)
		_presentation_center.show()
		_bubble_field.position = _title_bubble_rest_position
		_set_title_bubbles_interactive(true)


func _cancel_title_settings_tween() -> void:
	if _title_settings_transition != null:
		_title_settings_transition.kill()
		_title_settings_transition = null


func _prepare_quick_menu_enter(control: Control) -> void:
	control.pivot_offset = control.size * 0.5
	control.scale = Vector2.ONE * QUICK_MENU_ENTER_SCALE
	control.modulate.a = 0.0


func _reset_quick_menu_presentation(control: Control) -> void:
	control.scale = Vector2.ONE
	control.modulate.a = 1.0


func _restore_settings_focus() -> void:
	var restore_navigation_focus: bool = _modal_restore_navigation_focus
	_modal_restore_navigation_focus = false
	if restore_navigation_focus:
		_navigation_focus_active = true
		_settings_button.grab_focus()
	else:
		_navigation_focus_active = false
		_release_title_focus()


func _refresh_save_inspection() -> void:
	_inspection = _save_manager.inspect_save()
	_play_button.disabled = false
	_delete_button.disabled = not _inspection.can_delete()
	_feedback_label.text = _center_feedback_text(_inspection.message)
	if _inspection.status == SaveInspectionType.Status.VALID_SUPPORTED:
		_continue_stats_drawer.text = _get_continue_stats_text()
	if not _inspection.can_continue():
		_hide_continue_stats_context()
	else:
		_update_continue_stats_visibility()


func _focus_initial_button() -> void:
	if (
		not is_node_ready()
		or not visible
		or _awaiting_start_input
		or not _button_center.visible
		or _credits_page.visible
		or _save_slots_page.visible
	):
		return
	_play_button.grab_focus()
	_navigation_focus_active = true
	_update_continue_stats_visibility()


func _on_quit_pressed() -> void:
	if (
		not _action_in_progress
		and not _is_confirmation_active()
		and not _settings_panel.visible
		and not _credits_page.visible
	):
		_hide_continue_stats_context()
		quit_requested.emit()


func _on_title_visibility_changed() -> void:
	if visible:
		set_process(true)
	else:
		_hide_continue_stats_context()
		_stop_entry_prompt_animation()
		_navigation_focus_active = false
		_modal_restore_navigation_focus = false
		_reset_confirmation()
		_credits_page.close_page()