Added menu settings add-on

evolve-die-repeat/addons/modular-settings-menu/scripts/base-settings-elements/multi_element.gd

@@ -0,0 +1,67 @@
+extends Control
+class_name MultiElement
+## A wrapper node for multi elements.
+
+@export var MainElementRef: SettingsElement
+@export var SUB_ELEMENTS_: Array[SettingsElement]
+
+var ParentRef: SettingsSection
+
+var currentValue :
+	get:
+		return MainElementRef.currentValue
+
+
+func _enter_tree() -> void:
+	ParentRef = owner
+	ParentRef.connect("setting_changed", update_element)
+	ParentRef.connect("apply_button_pressed", apply_settings)
+	ParentRef.SettingsMenuRef.connect("changes_discarded", load_settings)
+	SettingsDataManager.connect("settings_retrieved", load_settings)
+	init_main_element()
+	init_sub_elements()
+
+
+func init_main_element() -> void:
+	var elementId: String = MainElementRef.IDENTIFIER
+	MainElementRef.IS_MULTI_ELEMENT = true
+	MainElementRef.ParentRef = ParentRef
+	ParentRef.ELEMENT_REFERENCE_TABLE_[elementId] = MainElementRef
+
+
+## Used to initialize sub elements of the multi element.
+func init_sub_elements() -> void:
+	for ElementRef in SUB_ELEMENTS_:
+		ElementRef.IS_MULTI_ELEMENT = true
+		ElementRef.IS_SUB_ELEMENT = true
+		ElementRef.ParentRef = ParentRef
+		ParentRef.ELEMENT_REFERENCE_TABLE_[ElementRef.IDENTIFIER] = ElementRef
+
+
+## Called when settings are loaded to display the appropriate elements.
+func load_settings() -> void:
+	call_deferred("_display_sub_elements")
+
+
+## Called when the main element's value changes do display the appropriate elements.
+func update_element(elementId: String) -> void:
+	if elementId == MainElementRef.IDENTIFIER:
+		call_deferred("_display_sub_elements")
+
+
+## Called to update the visibility of sub elements based on the main elements's current value.
+## This function is overwritten by the multi element wrapper.
+func _display_sub_elements() -> void:
+	return
+
+
+## Called when the apply button is pressed.
+func apply_settings() -> void:
+	if ParentRef.changedElements_.has(MainElementRef.IDENTIFIER):
+		for SubElementRef in SUB_ELEMENTS_:
+			if (
+				not SubElementRef.is_visible_in_tree()
+				or ParentRef.changedElements_.has(SubElementRef.IDENTIFIER)
+			):
+				continue
+			SubElementRef._apply_settings()