def _a_star_search(initial: Board, depth, admissable=False):
"""
Breath First Search algorithm. Also shows steps, new states and total states.
"""
Car.boardWidth = initial.board_width
Car.boardHeight = initial.board_height
Board.a_star_depth = depth
hash_table.states_checked_hash_table = {}
queue = {}
star_value = initial.a_star_count(admissable)
queue[star_value] = [initial]
print(initial)
while True:
best_boards = find_best_boards(queue)
for best_board in best_boards:
next_boards = best_board.possible_next_boards()
for board in next_boards:
value = board.a_star_count(admissable)
if value not in queue:
queue[value] = [board]
else:
queue[value].append(board)
BenchMark.steps_made += 1
print("")
BenchMark.log_steps_made()
BenchMark.log_time()
BenchMark.log_states_count()
def breath_search(initial: Board, total_time: int):
"""
Breath First Search algorithm. Also shows steps, new states and total states.
"""
hash_table.states_checked_hash_table = {}
BenchMark.start_the_time()
Car.boardWidth = initial.board_width
Car.boardHeight = initial.board_height
# initial board (stage 0)
path = []
path.append([initial])
hash_table.states_checked_hash_table[hash(initial)] = [initial]
print("initial state: ")
print(initial)
while True:
nextPath = []
for board in path[-1]:
try:
nextPath.extend(board.possible_next_boards())
except Win:
BenchMark.states_count = countPath(path)
BenchMark.log_steps_made()
BenchMark.log_time()
BenchMark.log_states_count()
return
# exit(0)
path.append(nextPath)
BenchMark.states_count = countPath(path)
BenchMark.steps_made += 1
print("")
BenchMark.log_steps_made()
BenchMark.log_time()
BenchMark.log_states_count()
if len(nextPath) == 0:
print("States space is explored, no solution found...")
print("Try freezing less cars.")
return
print(time.time() - BenchMark.start_time)
if (time.time() - BenchMark.start_time) > total_time:
print("This game is too hard for me! Aborting ....")
return
def breath_search(initial: Board, total_time: int):
"""
Breath First Search algorithm. Also shows steps, new states and total states.
"""
hash_table.states_checked_hash_table = {}
BenchMark.start_the_time()
Car.boardWidth = initial.board_width
Car.boardHeight = initial.board_height
# initial board (stage 0)
path = []
path.append([initial])
hash_table.states_checked_hash_table[hash(initial)] = [initial]
print("initial state: ")
print(initial)
while True:
nextPath = []
for board in path[-1]:
try:
nextPath.extend(board.possible_next_boards())
except Win:
BenchMark.states_count = countPath(path)
BenchMark.log_steps_made()
BenchMark.log_time()
BenchMark.log_states_count()
return
# exit(0)
path.append(nextPath)
BenchMark.states_count = countPath(path)
BenchMark.steps_made += 1
print("")
BenchMark.log_steps_made()
BenchMark.log_time()
BenchMark.log_states_count()
if len(nextPath) == 0:
print("States space is explored, no solution found...")
print("Try freezing less cars.")
return
print(time.time() - BenchMark.start_time)
if (time.time() - BenchMark.start_time) > total_time:
print("This game is too hard for me! Aborting ....")
return