fn generate_maybe_box(
placer: &mut ScatteredFeaturePlacer<'_, '_>,
random: &mut WorldgenRandom,
probability: f32,
x0: i32,
y0: i32,
z0: i32,
x1: i32,
y1: i32,
z1: i32,
edge: BlockStateId,
fill: BlockStateId,
)