First work on dialogic, resized guild, and started implementing portraits.

addons/dialogic/Resources/dialogic_layout_base.gd

@@ -0,0 +1,78 @@
+@tool
+class_name DialogicLayoutBase
+extends Node
+
+## Base class that should be extended by custom layouts.
+
+
+## Method that adds a node as a layer
+func add_layer(layer:DialogicLayoutLayer) -> Node:
+	add_child(layer)
+	return layer
+
+
+## Method that returns the given child
+func get_layer(index:int) -> Node:
+	return get_child(index)
+
+
+## Method to return all the layers
+func get_layers() -> Array:
+	var layers := []
+	for child in get_children():
+		if child is DialogicLayoutLayer:
+			layers.append(child)
+	return layers
+
+
+## Method that is called to load the export overrides.
+## This happens when the style is first introduced,
+## but also when switching to a different style using the same scene!
+func apply_export_overrides() -> void:
+	_apply_export_overrides()
+	for child in get_children():
+		if child.has_method('_apply_export_overrides'):
+			child._apply_export_overrides()
+
+
+## Returns a setting on this base.
+## This is useful so that layers can share settings like base_color, etc.
+func get_global_setting(setting:StringName, default:Variant) -> Variant:
+	if setting in self:
+		return get(setting)
+
+	if str(setting).to_lower() in self:
+		return get(setting.to_lower())
+
+	if 'global_'+str(setting) in self:
+		return get('global_'+str(setting))
+
+	return default
+
+
+## To be overwritten. Apply the settings to your scene here.
+func _apply_export_overrides() -> void:
+	pass
+
+
+#region HANDLE PERSISTENT DATA
+################################################################################
+
+func _enter_tree() -> void:
+	_load_persistent_info(Engine.get_meta("dialogic_persistent_style_info", {}))
+
+
+func _exit_tree() -> void:
+	Engine.set_meta("dialogic_persistent_style_info", _get_persistent_info())
+
+
+## To be overwritten. Return any info that a later used style might want to know.
+func _get_persistent_info() -> Dictionary:
+	return {}
+
+
+## To be overwritten. Apply any info that a previous style might have stored and this style should use.
+func _load_persistent_info(info: Dictionary) -> void:
+	pass
+
+#endregion