public async Task <ExportModelContainer> PrepareForExportAsync(
IEnumerable <SceneObject> objectsToExport,
ExportOptions exportOptions)
{
objectsToExport.EnsureNotNull(nameof(objectsToExport));
objectsToExport.EnsureMoreThanZeroElements(nameof(objectsToExport));
// Create result object container
var result = new ExportModelContainer();
// Fill export container beside rendering
// (there it is ensured that no one changes the scene)
await this.PerformBeforeUpdateAsync(() =>
{
// First step: Register all objects which we want to export
foreach (var actObject in objectsToExport)
{
actObject.EnsureObjectOfScene(this, nameof(objectsToExport));
if (!actObject.IsExportable)
{
continue;
}
result.RegisterOriginalObject(actObject);
}
// Second step: Store all needed data into the container
foreach (var actObject in objectsToExport)
{
if (!actObject.IsExportable)
{
continue;
}
actObject.PrepareForExport(result, exportOptions);
}
});
// Return the container
return(result);
}
/// <summary>
/// This methode stores all data related to this object into the given <see cref="ExportModelContainer"/>.
/// </summary>
/// <param name="modelContainer">The target container.</param>
/// <param name="exportOptions">Options for export.</param>
internal void PrepareForExport(ExportModelContainer modelContainer, ExportOptions exportOptions)
{
this.PrepareForExportInternal(modelContainer, exportOptions);
}
/// <summary>
/// This methode stores all data related to this object into the given <see cref="ExportModelContainer"/>.
/// </summary>
/// <param name="modelContainer">The target container.</param>
/// <param name="exportOptions">Options for export.</param>
protected virtual void PrepareForExportInternal(
ExportModelContainer modelContainer,
ExportOptions exportOptions)
{
}
