Add spine and dialogic museums

addons/dialogic/Resources/dialogic_layout_layer.gd

@@ -0,0 +1,48 @@
+@tool
+class_name DialogicLayoutLayer
+extends Node
+
+## Base class that should be extended by custom dialogic layout layers.
+
+@export_group("Layer")
+@export_subgroup("Disabled")
+## If [code]true[/code] the layer is hidden and it's processing disabled.
+@export var disabled := false
+
+@export_group("Private")
+## If [code]true[/code] [method _apply_export_overrides] is called on _ready(). [br]
+## When a layer is used in a style, [method _apply_export_overrides] is called
+## by the base layer on style changes. However when a style is made custom,
+## you might want them to either still be applied (set to [code]true[/code]) or edit settings directly on their nodes going forward (set to [code]false[/code]).
+## This is turned on automatically when making the custom.
+@export var apply_overrides_on_ready := false
+
+var this_folder: String = get_script().resource_path.get_base_dir()
+
+func _ready() -> void:
+	if apply_overrides_on_ready and not Engine.is_editor_hint():
+		_apply_export_overrides()
+
+
+
+## Override this and load all your exported settings (apply them to the scene)
+func _apply_export_overrides() -> void:
+	pass
+
+
+func apply_export_overrides() -> void:
+	if disabled:
+		if "visible" in self:
+			set("visible", false)
+		process_mode = Node.PROCESS_MODE_DISABLED
+	else:
+		if "visible" in self:
+			set("visible", true)
+		process_mode = Node.PROCESS_MODE_INHERIT
+
+	_apply_export_overrides()
+
+
+## Use this to get potential global settings.
+func get_global_setting(setting_name:StringName, default:Variant) -> Variant:
+	return get_parent().get_global_setting(setting_name, default)