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#!/usr/bin/env python
from elements import *
import random
class Computer:
''' The Computer module represents the computer scrabble player
in the User vs Computer mode.
'''
def __init__(self, letters):
''' Initialize the Computer class.
@param letters: List of the Letters to use.
'''
self.__letters = bag.remove_letters()
def get_letters(self):
''' Return the list of Letters.
@return: the list of elements.
'''
return self.__letters
def letters_length(self):
''' Return the length of the list of Letters.
@return: the number of elements.
'''
return len(self.__letters)
def get_letter_at(self, index):
''' Get the letter at the specified index of the list.
@param index: the index
@return: the Letter
'''
return self.__letter[index]
def add_letter(self, letter):
''' Add a new Letter to the list of Letters.
@param letter: the new Letter.
'''
self.__letters.append(letter)
def swap_letters(self, bag, amount=0):
''' Return the given amount of Letters to the bag, and take
the same amount from the bag.
@param bag: the bag
@param amount: the amount.
@return: True if it is possible otherwise False.
'''
from_bag = bag.remove_letters(amount)
if from_bag == -1:
return False
to_bag = []
i = 0
amount = len(from_bag)
while i < amount:
for j in range(0, self.letters_length()):
if random.randint(0, 1) and i < amount:
l = self.get_letter_at(j)
to_bag.append(l)
self.get_letters().remove(l)
i += 1
bag.add_letters(to_bag)
for l in from_bag:
self.add_letter(l)
return True
def make_move(self, board, dict, moves):
''' Function which calculates the move that the computer
will make.
@param board: the current gameboard
@param dict: the dictionary
@param moves: the list of Moves that were made along the game.
@return: the Move made.
'''
move = Move()
for i in range(0, board.get_size()):
for j in range(0, board.get_size()):
if not board.is_tile_empty(i, j):
letter = board.get_value_at(i, j)
criterion, type = utility.can_form_a_word(board,
self.get_letters(),
letter, i, j)
words = utility.search_words_that_match(criterion,
dict)
for w in words:
possible = move.try_move(board, w, type, i, j)
if possible:
move.calculate_score()
return move
# probar intercambiar letras.
# else pasar turno.
# to be continued..
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