Add saves, settings, and multiplayer-safe menus

ui/title_screen.gd

@@ -0,0 +1,232 @@
+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")
+
+signal gameplay_requested
+signal quit_requested
+
+enum ConfirmationAction {
+	NONE,
+	NEW_GAME,
+	DELETE_SAVE,
+}
+
+@onready var _continue_button: Button = %ContinueButton
+@onready var _new_game_button: Button = %NewGameButton
+@onready var _settings_button: Button = %SettingsButton
+@onready var _delete_button: Button = %DeleteSaveButton
+@onready var _feedback_label: Label = %FeedbackLabel
+@onready var _confirmation_panel: PanelContainer = %ConfirmationPanel
+@onready var _confirmation_text: Label = %ConfirmationText
+@onready var _confirm_button: Button = %ConfirmButton
+@onready var _settings_panel: SettingsPanelType = %SettingsPanel
+
+var _save_manager: SaveManagerType
+var _settings_manager: SettingsManagerType
+var _inspection: SaveInspectionType
+var _confirmation_action: ConfirmationAction = ConfirmationAction.NONE
+var _action_in_progress: bool = false
+
+
+func _ready() -> void:
+	_continue_button.pressed.connect(_on_continue_pressed)
+	_new_game_button.pressed.connect(_on_new_game_pressed)
+	_settings_button.pressed.connect(_open_settings)
+	_delete_button.pressed.connect(_on_delete_pressed)
+	%QuitButton.pressed.connect(_on_quit_pressed)
+	_confirm_button.pressed.connect(_on_confirmation_accepted)
+	%CancelConfirmButton.pressed.connect(_close_confirmation)
+	_settings_panel.applied.connect(_on_settings_applied)
+	_settings_panel.closed.connect(_on_settings_closed)
+
+
+func setup(
+	save_manager: SaveManagerType,
+	settings_manager: SettingsManagerType,
+) -> void:
+	_save_manager = save_manager
+	_settings_manager = settings_manager
+	_refresh_save_inspection()
+	show()
+	call_deferred("_focus_initial_button")
+
+
+func reopen() -> void:
+	_close_confirmation()
+	_settings_panel.hide()
+	_refresh_save_inspection()
+	show()
+	call_deferred("_focus_initial_button")
+
+
+func _input(event: InputEvent) -> void:
+	if not visible or not event.is_action_pressed("ui_cancel"):
+		return
+	if _confirmation_panel.visible:
+		_close_confirmation()
+	elif _settings_panel.visible:
+		_close_settings()
+	else:
+		return
+	get_viewport().set_input_as_handled()
+
+
+func _on_continue_pressed() -> void:
+	if (
+		_action_in_progress
+		or _confirmation_panel.visible
+		or _settings_panel.visible
+		or _inspection == null
+		or not _inspection.can_continue()
+	):
+		return
+	_action_in_progress = true
+	if _save_manager.load_player_data():
+		_feedback_label.text = "Save loaded."
+		gameplay_requested.emit()
+	else:
+		_refresh_save_inspection()
+		_feedback_label.text = "Failed to load save. The original was preserved."
+	_action_in_progress = false
+
+
+func _on_new_game_pressed() -> void:
+	if (
+		_action_in_progress
+		or _confirmation_panel.visible
+		or _settings_panel.visible
+		or _inspection == null
+	):
+		return
+	if _inspection.status == SaveInspectionType.Status.MISSING:
+		if _save_manager.initialize_new_game():
+			gameplay_requested.emit()
+		return
+	if _inspection.status == SaveInspectionType.Status.UNSUPPORTED_VERSION:
+		_feedback_label.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 = "The existing save cannot be accessed safely."
+		return
+	_open_confirmation(
+		ConfirmationAction.NEW_GAME,
+		"Start a new game? Existing progression will be deleted.",
+		"Start New Game"
+	)
+
+
+func _on_delete_pressed() -> void:
+	if (
+		_action_in_progress
+		or _confirmation_panel.visible
+		or _settings_panel.visible
+		or _inspection == null
+		or not _inspection.can_delete()
+	):
+		return
+	_open_confirmation(
+		ConfirmationAction.DELETE_SAVE,
+		"Delete your saved progression? This cannot be undone.",
+		"Delete"
+	)
+
+
+func _on_confirmation_accepted() -> void:
+	if _action_in_progress:
+		return
+	var action: ConfirmationAction = _confirmation_action
+	_close_confirmation()
+	_action_in_progress = true
+	if not _save_manager.delete_progression_save():
+		_feedback_label.text = "Failed to delete saved progression."
+		_action_in_progress = false
+		_refresh_save_inspection()
+		return
+	_save_manager.initialize_new_game()
+	_refresh_save_inspection()
+	if action == ConfirmationAction.NEW_GAME:
+		gameplay_requested.emit()
+	else:
+		_feedback_label.text = "Saved progression deleted."
+	_action_in_progress = false
+
+
+func _open_confirmation(
+	action: ConfirmationAction,
+	message: String,
+	confirm_text: String,
+) -> void:
+	_confirmation_action = action
+	_confirmation_text.text = message
+	_confirm_button.text = confirm_text
+	_confirmation_panel.visible = true
+	_confirm_button.grab_focus()
+
+
+func _close_confirmation() -> void:
+	_confirmation_action = ConfirmationAction.NONE
+	_confirmation_panel.visible = false
+	_focus_initial_button()
+
+
+func _open_settings() -> void:
+	if _confirmation_panel.visible or _action_in_progress:
+		return
+	_feedback_label.text = ""
+	_settings_panel.open_panel(_settings_manager)
+
+
+func _close_settings() -> void:
+	_settings_panel.close_panel()
+
+
+func _on_settings_applied() -> void:
+	_feedback_label.text = "Settings saved."
+	_settings_button.grab_focus()
+
+
+func _on_settings_closed() -> void:
+	_settings_button.grab_focus()
+
+
+func _refresh_save_inspection() -> void:
+	_inspection = _save_manager.inspect_save()
+	_continue_button.disabled = not _inspection.can_continue()
+	_delete_button.disabled = not _inspection.can_delete()
+	_feedback_label.text = _inspection.message
+	if _inspection.status == SaveInspectionType.Status.VALID_SUPPORTED:
+		_feedback_label.text = (
+			"%d fish • $%d • %d discovered"
+			% [
+				_inspection.catch_count,
+				_inspection.wallet_balance,
+				_inspection.discovered_species_count,
+			]
+		)
+
+
+func _focus_initial_button() -> void:
+	if not is_node_ready() or not visible:
+		return
+	if not _continue_button.disabled:
+		_continue_button.grab_focus()
+	else:
+		_new_game_button.grab_focus()
+
+
+func _on_quit_pressed() -> void:
+	if (
+		not _action_in_progress
+		and not _confirmation_panel.visible
+		and not _settings_panel.visible
+	):
+		quit_requested.emit()