def _valid_ray(orig, dest, board):
"""
:param orig: origin
:param dest: destination
:return: true if a nothing is on the way between the origin and the destination
"""
(d0, d1, _) = dest
base = utilities.get_base_vector(utilities.get_rel_vector(orig, dest))
tmp = utilities.add_vector(orig, base)
(t0, t1, _) = tmp
while t0 is not d0 or t1 is not d1:
print(tmp)
for i in range(0, 6):
if board.get_piece((t0, t1, i)):
return False
if not _is_other_color(board.get_piece(orig),
board.get_piece((t0, t1, i))):
return False
tmp = utilities.add_vector(tmp, base)
(t0, t1, _) = tmp
return True
def move_atk_board(self, orig, dest):
"""
moves an attack board on a pin and all pieces on top of it to the new pin
updates the usable fields
"""
if orig not in self.atkBoards:
return
if dest not in self.atkBoards:
# get bottom-left field on king's side
if orig[0] == "Q":
field = self.pins[int(orig[2])]
else:
field = utilities.add_vector(self.pins[int(orig[2])],
(4, 0, 0))
vector = self._get_rel_atk_board_vector(orig, dest)
all_origins = (field, utilities.add_vector(field, (0, 1, 0)),
utilities.add_vector(field, (1, 0, 0)),
utilities.add_vector(field, (1, 1, 0)))
for o in all_origins:
self.set_piece(utilities.add_vector(o, vector),
self.get_piece(o))
self.set_piece(o, None)
self.atkBoards.remove(orig)
self.atkBoards.append(dest)
def move_atk_board(self, orig, dest):
"""
moves an attack board on a pin and all pieces on top of it to the new pin
updates the usable fields
"""
if orig not in self.atkBoards:
return
if dest not in self.atkBoards:
# get bottom-left field on king's side
if orig[0] == "Q":
field = self.pins[int(orig[2])]
else:
field = utilities.add_vector(self.pins[int(orig[2])], (4, 0, 0))
vector = self._get_rel_atk_board_vector(orig, dest)
all_origins = (field,
utilities.add_vector(field, (0, 1, 0)),
utilities.add_vector(field, (1, 0, 0)),
utilities.add_vector(field, (1, 1, 0))
)
for o in all_origins:
self.set_piece(utilities.add_vector(o, vector), self.get_piece(o))
self.set_piece(o, None)
self.atkBoards.remove(orig)
self.atkBoards.append(dest)
def _valid_ray(orig, dest, board):
"""
:param orig: origin
:param dest: destination
:return: true if a nothing is on the way between the origin and the destination
"""
(d0, d1, _) = dest
base = utilities.get_base_vector(utilities.get_rel_vector(orig, dest))
tmp = utilities.add_vector(orig, base)
(t0, t1, _) = tmp
while t0 is not d0 or t1 is not d1:
print(tmp)
for i in range(0, 6):
if board.get_piece((t0, t1, i)):
return False
if not _is_other_color(board.get_piece(orig), board.get_piece((t0, t1, i))):
return False
tmp = utilities.add_vector(tmp, base)
(t0, t1, _) = tmp
return True
