structure_references()
Syntax
structure_references(pos)
structure_references(pos, structure_name)
Returns structure information that a chunk with a given block position is part
of. structure_references function can be called with a block, or a block and a
structure name. In the first case it returns a list of structure names that give
chunk belongs to. When called with an extra structure name, returns list of
positions pointing to the lowest block position in chunks that hold structure
starts for these structures. You can query that chunk structures then to get its
bounding boxes.
Requires a Standard Structure name (see above).