public static HashSet <Type> GetAllDataTypes()
{
var types = new HashSet <Type>();
// Get data types nominated by an attribute directly on the type declaration.
var typeDecorations = AttributeUtility.EnumerateDecorations <ScriptableDataAttribute>(
targets: EnumerateAllTypes(),
filter: provider => provider is Type type && type.IsValueType);
foreach (var decoration in typeDecorations)
{
types.Add(decoration.Target as Type);
}
// Get data types nominated by an assembly attribute.
var assemblyDecorations = AttributeUtility.EnumerateDecorations <NominateScriptableDataAttribute>(GetAssemblies());
foreach (var decoration in assemblyDecorations)
{
var attribute = (NominateScriptableDataAttribute)decoration.CustomAttribute;
if (attribute.TryGetIdentifiedType(out Type type) && type != null && type.IsValueType)
{
types.Add(type);
}
}
return(types);
}