Added menu settings add-on

evolve-die-repeat/addons/modular-settings-menu/scripts/settings_menu.gd

@@ -0,0 +1,83 @@
+extends Control
+class_name SettingsMenu
+
+## Emitted when the settings menu is made visible.
+signal settings_menu_opened
+## Emitted when the apply button is pressed.
+signal apply_button_pressed
+## Emitted when the settings menu is hidden.
+signal settings_menu_closed
+## Emitted when changes are discarded.
+signal changes_discarded
+
+## Used to check if gameplay related settings should be applied
+@export var IS_IN_GAME_MENU: bool = true
+## Reference to the parent node of the menu UI.
+## The node this references will get set visible when pressing the back button.
+@export var MenuPanelRef: Node
+## List of settings sections that should be left out of the settings menu instance.
+@export var IGNORED_SECTIONS_: Array[String]
+
+
+@onready var DiscardChangesRef: PanelContainer = $DiscardChangesPopup
+@onready var SettingsPanelRef: VBoxContainer = $SettingsPanel
+@onready var ApplyButtonRef: Button = %ApplyButton
+
+var ElementPanelsRef: Control
+var SettingsTabsRef: TabContainer
+
+
+func _enter_tree() -> void:
+	ElementPanelsRef = $ElementPanels
+	SettingsTabsRef = $SettingsPanel/SettingsTabs
+	ignore_sections()
+
+
+func _ready():
+	# Load the settings menu
+	SettingsDataManager.call_deferred("emit_signal", "settings_retrieved")
+
+
+func on_back_button_pressed() -> void:
+	# Check if there have been any changes made
+	if ApplyButtonRef.is_disabled():
+		hide()
+		MenuPanelRef.show()
+		# Clear the settings cache
+		emit_signal("settings_menu_closed")
+	else:
+		# Display the discard changes popup
+		display_discard_changes(self)
+
+
+func on_apply_button_pressed() -> void:
+	ApplyButtonRef.set_disabled(true)
+	# Apply the settings of each section
+	emit_signal("apply_button_pressed")
+	# Save the updated settings data
+	SettingsDataManager.call_deferred("save_data")
+	# Reset the changed elements count
+	SettingsDataManager.changedElementsCount = 0
+
+
+func on_visibility_changed() -> void:
+	if is_visible_in_tree():
+		emit_signal("settings_menu_opened")
+
+
+# Called to discard the changes in the settings menu
+func discard_changes() -> void:
+	emit_signal("changes_discarded")
+	for SectionRef in SettingsTabsRef.get_children():
+		SectionRef.discard_changes()
+
+
+func display_discard_changes(CallerRef: Control) -> void:
+	DiscardChangesRef.show()
+	DiscardChangesRef.CallerRef = CallerRef
+
+
+func ignore_sections() -> void:
+	for SectionRef in SettingsTabsRef.get_children():
+		if IGNORED_SECTIONS_.has(SectionRef.IDENTIFIER):
+			SectionRef.queue_free()