def _kwargs_to_players(**kwargs):
"""Convert a game type string (e.g., 'computer-human') to actual players."""
player_strings = kwargs['game_type'].split('-')
players = []
for idx, string in enumerate(player_strings):
if string == 'human':
player = HumanPlayer(_id=idx + 1)
elif idx == 0 or not kwargs.get('difficulty2'):
# If only one difficulty is specified, use it for all computer players.
player = ComputerPlayer(
_id=idx + 1,
itermax=DIFFICULTY_TO_ITERMAX_MAP[kwargs['difficulty']],
is_omniscient=(kwargs['difficulty'] == 'insane')
)
else:
# If multiple difficulties are specified, use the second for the second computer player.
player = ComputerPlayer(
_id=idx + 1,
itermax=DIFFICULTY_TO_ITERMAX_MAP[kwargs['difficulty2']],
is_omniscient=(kwargs['difficulty2'] == 'insane')
)
players.append(player)
return {idx + 1: player for idx, player in enumerate(players)}
def __init__(self):
self.mw = tkinter.Tk()
self._board = []
self.default_image = tkinter.PhotoImage(file="empty2.gif")
self.default_image_r = tkinter.PhotoImage(file="Red2.gif")
self.default_image_y = tkinter.PhotoImage(file="Yellow2.gif")
self.size = 7
self.buttons_2d_list = []
for i in range(self.size):
self.row = [' '] * self.size
self.buttons_2d_list.append(self.row)
self.gboard = GameBoard(6)
p1 = ComputerPlayer(
"Y", self.buttons_2d_list
) #no input required from user, p1 and p2 are computer players, with given colours
p2 = ComputerPlayer("R", self.buttons_2d_list)
print("\tCLCIK ON ANY BUTTON ON THE GRID TO START"
) #the user must click on any button to start the sim
self.players_lst = (p1, p2)
self.currnt_player_index = 0
self.winner = False
def test_alternate_letters(self):
# Test that alternate from X to O correctly
letter = ComputerPlayer.alternate_letters("X")
self.assertEqual(letter, "O", "X did not alternate to O")
# Test that alternate from O to X correctly
letter = ComputerPlayer.alternate_letters("O")
self.assertEqual(letter, "X", "O did not alternate to X")
def __init__(self):
self.mw = tkinter.Tk(
) #assigning the GUI method Tk to variable self.mw
# default image = black hole/empty space
self.default_image = tkinter.PhotoImage(
file="empty2.gif"
) #all buttons will start with this deafult image when game starts and need to make instance so tkinter does keeps image
# red and yellow represent the disc colours
self.default_image_r = tkinter.PhotoImage(
file="Red2.gif"
) #IMPORTANT TO MAKE INSTANCE OF ALL IMAGES IN __INIT__ METHOD TO PREVENT IMAGES FROM DISAPPAERING
self.default_image_y = tkinter.PhotoImage(file="Yellow2.gif")
self.size = 7
self.buttons_2d_list = []
for i in range(self.size):
self.row = [' '] * self.size
self.buttons_2d_list.append(
self.row
) #creating a button list in order to configure mechanics of the game nad game GUI
self.gboard = GameBoard(6) #gameboard reference
print("\tYELLOW or RED")
colour = input("Please Select Your Colour(y/r): "
) #giving user option to select colour
colour = colour.lower()
if colour == "y":
p1 = HumanPlayer("Y") #assigning colours to variables p1 and p2
p2 = ComputerPlayer("R", self.buttons_2d_list)
opnt = input("\t Do you want to play against a computer(y/n)? ")
if opnt == "y":
p2 = ComputerPlayer("R", self.buttons_2d_list)
else:
p2 = HumanPlayer("R")
else:
p1 = HumanPlayer("R")
p2 = ComputerPlayer("Y", self.buttons_2d_list)
opnt = input("\t Do you want to play against a computer(y/n)? ")
if opnt == "y":
p2 = ComputerPlayer("Y", self.buttons_2d_list)
else:
p2 = HumanPlayer("Y")
self.players_lst = (p1, p2) # creating a list of the players
self.currnt_player_index = 0 #initilise the current player to zero
self.winner = False #initilise winner to false
def __init__(self):
self.mw = tkinter.Tk()
self._board = []
self.default_image = tkinter.PhotoImage(file="empty2.gif")
self.default_image_2 = tkinter.PhotoImage(
file="empty3.gif"
) #instead of using the same images, as used in the standard board.
#I had to reduce the size of the images in order to fit the window of the larger
self.default_image_r = tkinter.PhotoImage(
file="Red2.gif") # I created another set of images
self.default_image_r_2 = tkinter.PhotoImage(file="Red3.gif")
self.default_image_y_2 = tkinter.PhotoImage(file="Yellow3.gif")
self.default_image_y = tkinter.PhotoImage(file="Yellow2.gif")
self.size = 7 + 2
self.buttons_2d_list = []
for i in range(self.size):
self.row = [' '] * self.size
self.buttons_2d_list.append(self.row)
self.gboard = Large_gameboard(6 + 2) #calling the largest gameboard
print("\tYELLOW or RED")
colour = input("Please Select Your Colour(y/r): ")
colour = colour.lower()
if colour == "y":
p1 = HumanPlayer("Y")
p2 = ComputerPlayer("R", self.buttons_2d_list)
opnt = input("\t Do you want to play against a computer(y/n)? ")
if opnt == "y":
p2 = ComputerPlayer("R", self.buttons_2d_list)
else:
p2 = HumanPlayer("R")
else:
p1 = HumanPlayer("R")
p2 = ComputerPlayer("Y", self.buttons_2d_list)
opnt = input("\t Do you want to play against a computer(y/n)? ")
if opnt == "y":
p2 = ComputerPlayer("R", self.buttons_2d_list)
else:
p2 = HumanPlayer("Y")
self.players_lst = (p1, p2)
self.currnt_player_index = 0
self.winner = False
def human_vs_computer_mode(difficulty):
"""
To start the game in which a human plays against the computer.
Paramters:
difficulty(int) - 0 if the level of difficulty should be easy, and 1 if the level should be hard.
Returns:
string - The value returned by the play() method.
"""
game = TicTacToe()
x_player = HumanPlayer("X")
o_player = ComputerPlayer("O") if difficulty == 0 else ComputerPlayer(
"O", smart=True)
return play(game, x_player, o_player)
def test_computer_player(self):
game_board = GameBoard()
computerplayer = ComputerPlayer("Computer",game_board,1)
name = computerplayer.name
# Set first two cells and should return last cell
game_board.set_cell(1,4)
game_board.set_cell(2,4)
cell_list = [1,2,3]
cell = computerplayer.get_best_empty_cell(cell_list)
self.assertEquals(cell,3)
# Set last two cells and should return first cell
game_board.set_cell(5,4)
game_board.set_cell(6,4)
cell_list = [4,5,6]
cell = computerplayer.get_best_empty_cell(cell_list)
self.assertEquals(cell,4)
def __init__(self):
self.mw = tkinter.Tk()
self.default_image = tkinter.PhotoImage(file="empty2.gif")
self.default_image_r = tkinter.PhotoImage(file="Red2.gif")
self.default_image_y = tkinter.PhotoImage(file="Yellow2.gif")
self.size = 7
self.buttons_2d_list = []
for i in range(self.size):
self.row = [' '] * self.size
self.buttons_2d_list.append(self.row)
self.gboard = GameBoard(6)
d = input(
"\nSelect Difficulty: Easy(e) - Medium (default)(m) - Advanced (a) > "
) # giving the user the option to slect between 3 difficulties
d = d.lower()
print("\tYELLOW or RED")
colour = input(
"Please Select Your Colour(y/r) : "
) #no need to ask user if they want to play aginst computer
colour = colour.lower()
if colour == "y":
p1 = HumanPlayer("Y")
p2 = ComputerPlayer("R", self.buttons_2d_list)
else:
p1 = HumanPlayer("R")
p2 = ComputerPlayer("Y", self.buttons_2d_list)
self.difficulty = d #assigning the input given to the variable 'd' to self.difficulty
self.players_lst = (p1, p2)
self.currnt_player_index = 0
self.winner = False
def get_players(name_1=None, name_2=None):
"""
Create the two players as Player instances.
Players are either HumanPlayer or ComputerPlayer depending on their name
"""
if name_1 is None:
name_1 = input(
"Please enter the name of player 1. For a computer player, enter cpu: "
)
if name_1 == "cpu":
player_1 = ComputerPlayer(0, name_1, "X")
else:
player_1 = HumanPlayer(0, name_1, "X")
if name_2 is None:
name_2 = input(
"Please enter the name of player 2. For a computer player, enter cpu: "
)
if name_2 == "cpu":
player_2 = ComputerPlayer(1, name_2, "O")
else:
player_2 = HumanPlayer(1, name_2, "O")
return [player_1, player_2]
def set_players(self, line_info, is_human=True):
player_type = 'human' if is_human else 'computer'
info_items = line_info.split('|')
# First item is number of players, remaining items are player names
num_players = int(info_items[0].strip())
i = 1
try:
while i < num_players + 1:
if info_items[i]:
player_name = info_items[i].strip()
if is_human:
self.players.append(HumanPlayer(player_name))
else:
self.players.append(ComputerPlayer(player_name))
# Track player color for visualization
if self.COLOR_COUNTER >= len(self.COLORS):
raise Exception(
'too many {} players have been declared'.format(
player_type))
self.player_colors[player_name] = self.COLORS[
self.COLOR_COUNTER]
self.COLOR_COUNTER += 1
i += 1
else:
raise Exception(
'a {} player with no name has been declared'.format(
player_type))
except IndexError:
# Number of players indicated > number of names given
raise Exception(
'{} {} players were declared but only {} names were provided'.
format(
num_players,
player_type,
i - 1,
))
if i < len(info_items):
# Number of players indicated < number of names given
raise Exception(
'only {} {} players were declared but {} names were provided'.
format(
num_players,
player_type,
len(info_items) - 1,
))
def test_evaluate_board(self):
player = ComputerPlayer(0, "cpu", "X")
# Check a win state
win_board = [["X", "O", "-"], ["O", "X", "O"], ["-", "X", "X"]]
value = player.evaluate_board(win_board, 2)
self.assertEqual(value, WINNER,
"Didnt recognize a won board configuration")
# Check a win state with a full board
win_board = [["X", "O", "X"], ["O", "X", "O"], ["O", "X", "X"]]
value = player.evaluate_board(win_board, 0)
self.assertEqual(value, WINNER,
"Didnt recognize a won board configuration")
# Check a loss state
loss_board = [["-", "X", "O"], ["-", "O", "X"], ["O", "X", "-"]]
value = player.evaluate_board(loss_board, 3)
self.assertEqual(value, LOSER,
"Didnt recognize a lost board configuration")
# Check a loss state with full board
loss_board = [["X", "X", "O"], ["O", "O", "X"], ["O", "X", "X"]]
value = player.evaluate_board(loss_board, 0)
self.assertEqual(value, LOSER,
"Didnt recognize a lost board configuration")
# Check a tie state
tie_board = [["X", "X", "O"], ["O", "O", "X"], ["X", "O", "X"]]
value = player.evaluate_board(tie_board, 0)
self.assertEqual(value, TIED,
"Didnt recognize a tied board configuration")
# Check an in progress state
in_progress_board = [["X", "X", "O"], ["O", "X", "X"], ["X", "O", "-"]]
value = player.evaluate_board(in_progress_board, 1)
self.assertEqual(value, IN_PROGRESS,
"Didnt recognize an in progress board configuration")
def test_computer_player(self):
game_board = GameBoard()
computerplayer = ComputerPlayer("Computer",game_board,1)
name = computerplayer.name
# Test name was set
self.assertEqual(name,"Computer")
# Test board is instance of GameBoard
self.assertIsInstance(computerplayer.game_board,GameBoard)
# Test player (id of 1) has marker value of 4
self.assertEquals(computerplayer.marker_value, 4)
# Make the first move
computerplayer.make_move()
self.assertFalse(game_board.is_cell_empty(5))
# Make the another move
computerplayer.make_move()
self.assertFalse(game_board.is_cell_empty(1))
# Make the third move
computerplayer.make_move()
self.assertFalse(game_board.is_cell_empty(9))
self.assertTrue(game_board.check_for_win())
def test_minimax(self):
# Check if chooses move to win
player = ComputerPlayer(0, "cpu", "X")
board = [["X", "-", "O"], ["X", "-", "O"], ["-", "-", "-"]]
depth = 5
best_move = player.minimax(board=board,
depth=depth,
maximizing=True,
letter=player.letter,
alpha=-100,
beta=100)
self.assertEqual(best_move, [2, 0, WINNER],
"Doesn't chose move that will win the game")
# Checks if chooses move to prevent loss and win
player = ComputerPlayer(0, "cpu", "X")
board = [["-", "-", "X"], ["-", "O", "-"], ["X", "-", "O"]]
depth = 5
best_move = player.minimax(board=board,
depth=depth,
maximizing=True,
letter=player.letter,
alpha=-100,
beta=100)
row, col = best_move[0], best_move[1]
self.assertEqual([row, col], [0, 0],
"Doesn't chose move that prevent a loss and win")
# Checks if chooses move to prevent loss and tie
player = ComputerPlayer(0, "cpu", "X")
board = [["-", "-", "-"], ["-", "O", "X"], ["-", "X", "O"]]
depth = 5
best_move = player.minimax(board=board,
depth=depth,
maximizing=True,
letter=player.letter,
alpha=-100,
beta=100)
row, col = best_move[0], best_move[1]
self.assertEqual([row, col], [0, 0],
"Doesn't chose move that prevent a loss")
# Check if can see a few moves ahead and prevent opponent from forcing a victory
player = ComputerPlayer(1, "cpu", "O")
board = [["-", "-", "X"], ["-", "O", "-"], ["X", "-", "-"]]
depth = 5
best_move = player.minimax(board=board,
depth=depth,
maximizing=True,
letter=player.letter,
alpha=-100,
beta=100)
row, col = best_move[0], best_move[1]
self.assertNotEqual(
[row, col], [0, 0],
"Chose move that allows opponent to force a victory")
self.assertNotEqual(
[row, col], [2, 2],
"Chose move that allows opponent to force a victory")