// Called from native code when preparing assets for a build
public static List <Type> ExtractTypesFromVisualTreeAsset(VisualTreeAsset asset)
{
if (s_PrecompiledUnityAssemblies == null)
{
// Ignore all precompiled Unity assemblies, but include those from users
CompilationPipeline.PrecompiledAssemblySources sources = CompilationPipeline.PrecompiledAssemblySources.All;
sources &= ~CompilationPipeline.PrecompiledAssemblySources.UserAssembly;
s_PrecompiledUnityAssemblies = new HashSet <string>(CompilationPipeline.GetPrecompiledAssemblyPaths(sources));
}
s_FactoryTypesUsedInAsset.Clear();
s_UsedTypesInsideAsset.Clear();
asset.ExtractUsedUxmlQualifiedNames(s_UsedTypesInsideAsset);
foreach (var qualifiedName in s_UsedTypesInsideAsset)
{
if (VisualElementFactoryRegistry.TryGetValue(qualifiedName, out List <IUxmlFactory> factoryList))
{
foreach (var factory in factoryList)
{
var type = factory.GetType();
if (s_PrecompiledUnityAssemblies.Contains(type.Assembly.Location))
{
continue;
}
s_FactoryTypesUsedInAsset.Add(type);
}
}
}
return(s_FactoryTypesUsedInAsset);
}
