# Implementation of the module {block_hp}.
# Last edited on 2021-05-10 14:03:54 by jstolfi

import block_hp
import block
import path
import move
import move_parms
import contact
import job_parms
import hacks
import rn 
import pyx
import sys
from math import sqrt, floor, ceil, sin, cos, acos, pi, nan,  inf

def used(bc):
  assert isinstance(bc, block.Block)
  return bc.used
  # ----------------------------------------------------------------------
  
def set_used(bc, us):
  assert isinstance(bc, block.Block)
  assert type(us) is bool
  bc.used = us
  # ----------------------------------------------------------------------
  
def add_contact(bc, ct):
  bc.cts.append(ct)
  return 
  # ----------------------------------------------------------------------
  
def get_contacts(bc):
  return bc.cts
  # ----------------------------------------------------------------------


def get_seams(bc):
  assert isinstance(bc, block.Block)
  return bc.seams
  # ----------------------------------------------------------------------

def set_seams(bc, SMSP):
  assert isinstance(bc, block.Block)
  assert type(SMSP) is list or type(SMSP) is tuple
  assert len(SMSP) == 2
  bc.seams = SMSP
  # ----------------------------------------------------------------------