def process_user_command(game_tree, target_tree, curr, pic):
'''Read and process one command from the user, modifying BTNode game_tree
and current BTNode curr as appropriate and redrawing the new game_tree and
BTNode target_tree on Picture pic. Return the new value of curr.'''
d = {'Left': 'l', 'Right': 'r', 'Up': 'u', 'a': 'L', 's': 'R', 'q': 'q'}
cmd = d.get(KD.moving_by_keys().key, 'm')
# Only listen to valid commands.
if len(cmd) != 1 or cmd[0] not in 'qulrLR':
return curr
# Erase the old tree and redraw target_tree halfway across the window.
media.add_rect_filled(pic, 0, 0, WIDTH, HEIGHT, media.white)
draw(pic, target_tree.root, 0, WIDTH / 2, curr)
# Process user commands.
if cmd == 'q':
media.close(pic)
sys.exit(0)
elif cmd == 'u' and curr != None and curr.parent != None:
curr = curr.parent
elif cmd == 'l' and curr.left != None:
curr = curr.left
elif cmd == 'r' and curr.right != None:
curr = curr.right
elif cmd == 'L' and curr.right != None:
curr = bst.rotate_left(game_tree, curr)
elif cmd == 'R' and curr.left != None:
curr = bst.rotate_right(game_tree, curr)
# The parent attribute of the nodes of the new tree must be corrected.
# If curr is at the top, a rotation may have moved it there. Set the
# game_tree root to curr if that happened.
if curr.parent == None:
game_tree.root = curr
# Draw the new game tree.
draw(pic, game_tree.root, 0, 0, curr)
media.update(pic)
return curr
Rotate Clockwise, q quit.
When the level has been solved, push y to contine and n to quit.'''
scoring.print_highscore_list(highscore.score_list)
raw_input("enter a key to begin: ")
tree_size = 2
cont = 'y'
while cont == 'y':
start = time.time()
play_game(tree_size)
end = time.time() - start
highscore.enter_score(end)
if tree_size < 8:
print ("Congrats! You finished tree size " + \
str(tree_size) + ". Continue (y/n)? ")
cont = KD.moving_by_keys().key
while cont != 'y' and cont != 'n':
cont = KD.moving_by_keys().key
#clear()
else:
#clear()
print '''Congrats! You finished level 8 and have completed the game
and scored a vlue of %i.''' % (int(highscore.score))
highscore.insert_score([int(highscore.score), name])
highscore.write_to_file()
cont = 'n'
tree_size += 1
scoring.print_highscore_list(highscore.score_list)
raw_input("Press enter to exit.")
media.close(pic)
