Function find_blocks_in_chunk

pub fn find_blocks_in_chunk(
    block_states: &BlockStates,
    chunk_pos: ChunkPos,
    chunk: &Chunk,
    min_y: i32,
    cb: impl FnMut(BlockPos),
)

An optimized function for finding the block positions in a chunk that match the given block states.

This is used internally by Instance::find_block and Instance::find_blocks.