HaikaraUI Attribute

[HaikaraUI] is an attribute required to recognize a class as being associated with a .uxml (or .uss) file.
The SourceGenerator first collects classes that have this attribute.

Parameters

Parameter	Type	Required	Default Value
ReferenceMode	AssetReferenceMode	no	AssetReferenceMode.Resource

• ReferenceModeReferenceMode determines where to load the UI asset (VisualTreeAsset or StyleSheet) from.
  • Resource
    If Resource is specified, the actual UI asset will be registered in the UICatalog and instantiated at load time.
  • AssetPath (Editor Only)
    If AssetPath is specified, the asset path will be registered in the UICatalog.
    The asset will be loaded from the path using UnityEditor.AssetDatabase.LoadAssetAtPath<T>().
  • Custom
    UI loading will be performed using a user-defined UILoader.
    If Custom is specified, you must register the defined UILoader with the UICatalog.
    Reference: AddressablesUILoader