Struct NetherClimateSampler 

pub struct NetherClimateSampler {
    noises: Box<NetherNoises>,
}

Climate sampler for the nether using compiled density functions.

Only evaluates temperature and vegetation from the nether noise router. Continentalness, erosion, depth, and weirdness are always 0 in the nether.

Fields

noises: Box<NetherNoises>

Noise generators needed by the nether density functions.

Implementations

impl NetherClimateSampler

pub fn new(seed: u64) -> Self

Create a new nether climate sampler with the given seed.

Uses the legacy random source path matching vanilla’s RandomState with useLegacyRandomSource=true:

• Temperature: LegacyRandomSource(seed + 0), createLegacyNetherBiome, params (-7, [1.0, 1.0])
• Vegetation: LegacyRandomSource(seed + 1), createLegacyNetherBiome, params (-7, [1.0, 1.0])
• Offset (shift): random.fromHashOf("minecraft:offset"), regular create, params (0, [0.0])

pub fn init_column_grid( &self, cache: &mut NetherColumnCache, chunk_block_x: i32, chunk_block_z: i32, )

Pre-populate a column cache’s flat-noise grid for a chunk’s quart columns.

Mirrors [OverworldClimateSampler::init_column_grid]: lets the biome stage reuse vanilla’s NoiseChunk.FlatCache grid instead of recomputing flat (xz-only) climate noise for every quart cell.

pub fn sample( &self, quart_x: i32, quart_y: i32, quart_z: i32, cache: &mut NetherColumnCache, ) -> TargetPoint

Sample climate at a quart position.

The cache holds column-level (xz-only) precomputed values.