Struct StructureStart 

pub struct StructureStart {
    pub structure: Identifier,
    pub chunk_pos: ChunkPos,
    pub references: i32,
    pub pieces: Vec<StructurePiece>,
    pub bb_inflate: i32,
    pub terrain_adjustment: TerrainAdjustment,
    pub bounding_box: Option<BoundingBox>,
}

A structure start placed in a chunk. Vanilla’s StructureStart — invalid (empty) starts are not stored.

Fields

structure: Identifier

Structure id (e.g., minecraft:village).

chunk_pos: ChunkPos

Origin chunk.

references: i32

Vanilla’s map/locate reference counter. This is distinct from StructureReferenceMap; generating per-chunk structure references does not increment this counter.

pieces: Vec<StructurePiece>

Pieces composing this structure.

bb_inflate: i32

Bounding-box inflation applied at construction. Vanilla inflates by 12 when terrain_adaptation != NONE. Stored for serialization parity; the inflation is already baked into bounding_box.

terrain_adjustment: TerrainAdjustment

Terrain adaptation mode from the structure registry. Used by Beardifier.

bounding_box: Option<BoundingBox>

Cached bounding box matching vanilla’s StructureStart.getBoundingBox(): the union of piece bounding boxes, then inflatedBy(bb_inflate). None iff pieces is empty.

Implementations

impl StructureStart

pub fn new( structure: Identifier, chunk_pos: ChunkPos, pieces: Vec<StructurePiece>, terrain_adjustment: TerrainAdjustment, ) -> Self

Creates a start, computing the inflated piece-union bounding box up-front.

pub fn compute_bounding_box( pieces: &[StructurePiece], bb_inflate: i32, ) -> Option<BoundingBox>

Union of all pieces’ bounding boxes, inflated by bb_inflate on every axis. Returns None if pieces is empty. Mirrors vanilla’s StructureStart.getBoundingBox() (= adjustBoundingBox(union)).

pub fn placement_reference_pos(&self) -> Option<BlockPos>

Vanilla StructureStart.placeInChunk reference position: the first piece center X/Z and first piece minimum Y.

Trait Implementations

impl Clone for StructureStart

fn clone(&self) -> StructureStart

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for StructureStart

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.