/**
* Does the update for volume actor visibility
*
* @param ActorsToUpdate The list of actors to update
* @param ViewClient The viewport client to apply visibility changes to
*/
static void InternalUpdateVolumeActorVisibility( TArray<AActor*>& ActorsToUpdate, const FLevelEditorViewportClient& ViewClient, TArray<AActor*>& OutActorsThatChanged )
{
for( int32 ActorIdx = 0; ActorIdx < ActorsToUpdate.Num(); ++ActorIdx )
{
AVolume* VolumeToUpdate = Cast<AVolume>(ActorsToUpdate[ActorIdx]);
if ( VolumeToUpdate )
{
const bool bIsVisible = ViewClient.IsVolumeVisibleInViewport( *VolumeToUpdate );
uint64 OriginalViews = VolumeToUpdate->HiddenEditorViews;
if( bIsVisible )
{
// If the actor should be visible, unset the bit for the actor in this viewport
VolumeToUpdate->HiddenEditorViews &= ~((uint64)1<<ViewClient.ViewIndex);
}
else
{
if( VolumeToUpdate->IsSelected() )
{
// We are hiding the actor, make sure its not selected anymore
GEditor->SelectActor( VolumeToUpdate, false, true );
}
// If the actor should be hidden, set the bit for the actor in this viewport
VolumeToUpdate->HiddenEditorViews |= ((uint64)1<<ViewClient.ViewIndex);
}
if( OriginalViews != VolumeToUpdate->HiddenEditorViews )
{
// At least one actor has visibility changes
OutActorsThatChanged.AddUnique( VolumeToUpdate );
}
}
}
}
