Function generate_house_tower 

fn generate_house_tower(
    templates: &FxHashMap<Identifier, TemplateData>,
    gen_depth: i32,
    parent: &EndCityPiece,
    offset: IVec3,
    pieces: &mut Vec<EndCityPiece>,
    shared: &mut SharedState,
    rng: &mut LegacyRandom,
) -> bool