def task_division(block_index, block_pos):
def bum(cond):
return MIN_BLOCK_SPACE if cond else 0
block = task[block_index]
block_end = block_pos + block
left_bum = bum(block_index > 0)
right_bum = bum(block_index < (len(task) - 1))
left_edge = block_pos - left_bum
right_edge = block_end + right_bum
if (left_edge < 0 or right_edge > len(field_line) or
(field_line[left_edge:block_pos] == Cell.FILLED).any() or
(field_line[block_end:right_edge] == Cell.FILLED).any()):
return None
left_result, right_result, total_count = self.run_sides(
left=CollapseRun(task[:block_index],
field_line[:left_edge]),
right=CollapseRun(task[block_index + 1:],
field_line[right_edge:]))
if total_count == 0:
return None
return CollapseResult.join(*left_result.line,
*Cells.x(left_bum),
*Cells.f(block),
*Cells.x(right_bum),
*right_result.line,
count=total_count)
def task_division(i):
left_result, right_result, total_count = self.run_sides(
left=CollapseRun(task[:i], field_line[:x_start]),
right=CollapseRun(task[i:], field_line[x_end:]))
if total_count == 0:
return None
return CollapseResult.join(*left_result.line,
*Cells.x(x_end - x_start),
*right_result.line,
count=total_count)