class Game(object):
def __init__(self):
self.white_turn = False
self.valid_move = True
self.board = Board()
self.board.initialise_board()
self.start_time = 0
self.interface = GUI()
self.interface.draw_board(self.board)
self.interface.update_gui(self.board)
self.interface.get_square_coordinates(self.board)
self.selected_piece = None
self.target_square = None
self.capture_status = False
self.ai = AI()
self.depth = 3 # Three move lookahead
self.game_termination = False
self.selected = False
self.s1 = None
def ai_move(self):
root = Node(self.board, value=0)
self.ai.terminal_state = False
self.ai.alpha_beta(root, self.depth, -10000, 10000, True)
target_1, target_2, capture_target = None, None, None
if root.children:
for child in root.children:
if child.beta == root.alpha:
self.board.move_sequence = child.name.move_sequence
print("AI move: ", self.board.move_sequence)
target_1 = child.name.origin_square
target_2 = child.name.final_square
break
if abs(target_1.number - target_2.number) > 5:
print("CAPTURE")
if target_2.row - target_1.row > 0:
capture_target_row = target_1.row + 1
else:
capture_target_row = target_1.row - 1
if target_2.column - target_1.column > 0:
capture_target_column = target_1.column + 1
else:
capture_target_column = target_1.column - 1
capture_target = [capture_target_row, capture_target_column]
self.capture_status = True
else:
self.capture_status = False
else:
print("Game over human wins")
self.valid_move = False
self.ai_move()
print(self.board.move_sequence)
print("Capture target", capture_target)
self.start_time = time.time()
target_1 = [target_1.row, target_1.column]
target_2 = [target_2.row, target_2.column]
self.make_move()
def human_move(self):
if self.selected is False:
self.s1 = self.interface.event_listener()
x = self.board.possible_moves(self.s1)
if x is not 0:
self.interface.draw_board(self.board)
self.interface.update_gui(self.board)
s2 = self.interface.event_listener()
move_sequence = [[self.s1.row, self.s1.column], [s2.row, s2.column]]
print("Move Seq: ", move_sequence)
if self.validate_move(move_sequence):
self.board.move_sequence = [self.s1.number, s2.number]
print("Move: ", self.board.move_sequence)
self.make_move()
else:
self.selected = True
self.human_move()
else:
self.human_move()
def validate_move(self, move_sequence):
for move in move_sequence:
selected_square = self.board.checkers_board[move[0]][move[1]]
# selected_square = self.interface.event_listener()
print(self.board.checkers_board[move[0]][move[1]].number)
if selected_square.piece:
if selected_square.piece.colour == "black":
piece_colour = False
else:
piece_colour = True
if piece_colour == self.white_turn:
print("Getting legal moves")
self.board.possible_moves(selected_square)
self.selected_piece = selected_square
selected_square = None
else:
self.selected_piece = None
else:
self.target_square = selected_square
if self.selected_piece and self.target_square:
print("Move validated")
return True
else:
return False
def update_game_state(self):
while 1:
self.ai_move()
self.human_move()
def make_move(self):
if self.board.legal_move(self.white_turn):
self.board.update_board()
self.board.final_possible_moves = []
self.selected_piece = None
self.interface.draw_board(self.board)
self.interface.update_gui(self.board)
self.valid_move = True
if self.capture_status:
moves = self.board.get_capture_moves(self.target_square)
if self.target_square.piece.colour == "white" and self.target_square.piece.crowned is False:
for move in moves:
if move > self.target_square.number:
moves.remove(move)
elif self.target_square.piece.colour == "black" and self.target_square.piece.crowned is False:
for move in moves:
if move < self.target_square.number:
moves.remove(move)
if moves:
self.board.captured_squares.clear()
else:
self.board.captured_squares.clear()
self.white_turn = not self.white_turn
self.capture_status = False
else:
self.white_turn = not self.white_turn
else:
self.valid_move = False
print("Invalid move made")
self.human_move()
