Function otter::hidden::create_occultation

pub fn create_occultation(
    gen: &mut UniqueGenGen<'_>, 
    max_z: &mut ZLevel, 
    gplayers: &mut GPlayers, 
    gpieces: &mut GPieces, 
    goccults: &mut GOccults, 
    ipieces: &IPieces, 
    ioccults: &IOccults, 
    to_recalculate: &mut ToRecalculate, 
    _: OcculterRotationChecked, 
    region: Region, 
    occulter: PieceId, 
    views: OccultationViews, 
    _puos_will_return: &PUOs_Simple_Modify
) -> Result<Vec<(PieceId, PieceUpdateOps)>, APOE>