for
inline fun LevelChunk.forEachSectionBlock(sectionIndex: Int, mutable: BlockPos.MutableBlockPos = BlockPos.MutableBlockPos(), action: (BlockPos, BlockState) -> Unit)
Iterates all blocks in a specific section index and exposes world-space block positions.
The mutable instance is reused across callbacks for allocation-free chunk scanning.
See also
LevelChunk.