Function otter_nodejs_tests::piece_pri

pub fn piece_pri(
    _ioccults: &IOccults, 
    occults: &GOccults, 
    player: PlayerId, 
    gpl: &mut GPlayer, 
    piece: PieceId, 
    gpc: &GPiece, 
    _ipc: &IPiece
) -> Option<PieceRenderInstructions>

None => do not render at all