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board.py
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import threading
from copy import deepcopy
from os import listdir
from time import perf_counter
from settings import *
from board_evaluation import *
from chess_pieces_moves import *
from utils import *
class Board:
def __init__(self):
self.images = {name: pygame.image.load(f"textures/{name}") for name in listdir('textures')}
self.small_image_versions = {
image_name: pygame.transform.scale(self.images[image_name], (captured_pieces_size, captured_pieces_size))
for image_name in self.images}
self.selected = None # selected square of the board
self.move_hints = None
self.white_turn = True
self.can_move = True
self.running = True
self.time_for_move = None
self.current_evaluation = 0
self.font = pygame.font.Font(None, 24)
self.white_time = 10 * 60
self.black_time = 10 * 60
self.white_move_start_time = perf_counter()
self.black_move_start_time = None
self.last_move = None
self.captured_white = []
self.captured_black = []
self.board = [
['bR', 'bN', 'bB', 'bQ', 'bK', 'bB', 'bN', 'bR'],
['bP', 'bP', 'bP', 'bP', 'bP', 'bP', 'bP', 'bP'],
['', '', '', '', '', '', '', ''],
['', '', '', '', '', '', '', ''],
['', '', '', '', '', '', '', ''],
['', '', '', '', '', '', '', ''],
['wP', 'wP', 'wP', 'wP', 'wP', 'wP', 'wP', 'wP'],
['wR', 'wN', 'wB', 'wQ', 'wK', 'wB', 'wN', 'wR']
]
def draw(self, screen):
self.display_board(screen)
self.display_selected_square(screen)
self.display_check_square(screen)
self.display_last_move(screen)
self.display_pieces(screen)
self.display_captured_pieces(screen)
self.display_move_hints(screen)
self.display_board_numbers(screen)
text = self.font.render(
f"Evaluation:{'+' if self.current_evaluation > 0 else ''}{round(self.current_evaluation, 3)}", True,
text_color)
screen.blit(text, (800, 100))
text2 = self.font.render(f'time for move: {self.time_for_move}', True, text_color)
screen.blit(text2, (800, 150))
def display_board(self, screen):
for x in range(8):
for y in range(8):
if (x + y) % 2:
color = black_square_color
else:
color = white_square_color
pygame.draw.rect(screen, color,
(indentX + x * square_size, indentY + y * square_size, square_size, square_size))
def display_selected_square(self, screen):
if self.selected is not None:
pygame.draw.rect(screen, move_hint_color,
(indentX + square_size * self.selected[0], indentY + square_size * self.selected[1],
square_size, square_size))
if sum(self.selected) % 2:
color = black_square_color
else:
color = white_square_color
pygame.draw.rect(screen, color, (indentX + square_size // 20 + square_size * self.selected[0],
indentY + square_size // 20 + square_size * self.selected[1],
square_size * 0.9, square_size * 0.9))
def display_check_square(self, screen):
for t in False, True:
if king_pos := is_in_check(self.board, white_turn=t):
pygame.draw.rect(screen, check_hint_color,
(indentX + square_size * king_pos[1], indentY + square_size * king_pos[0],
square_size, square_size))
if sum(king_pos) % 2:
color = black_square_color
else:
color = white_square_color
pygame.draw.rect(screen, color, (indentX + square_size // 20 + square_size * king_pos[1],
indentY + square_size // 20 + square_size * king_pos[0],
square_size * 0.9, square_size * 0.9))
def display_last_move(self, screen):
if self.last_move is not None:
for x, y in [self.last_move[:2], self.last_move[2:]]:
if (x + y) % 2:
color = last_move_black_color
else:
color = last_move_white_color
pygame.draw.rect(screen, color, (indentX + y * square_size, indentY + x * square_size,
square_size, square_size))
def display_pieces(self, screen):
for x in range(8):
for y in range(8):
if self.board[x][y]:
screen.blit(self.images[f'{self.board[x][y]}.png'],
(indentX + y * square_size, indentY + x * square_size))
def display_captured_pieces(self, screen):
pygame.draw.rect(screen, black_square_color,
(indentX, indentY - captured_pieces_size - 15, square_size * 8, captured_pieces_size + 10))
text = self.font.render('Black captured:', True, text_color)
screen.blit(text, (indentX + 2 * square_size - 140, indentY - captured_pieces_size - 10))
for i, piece in enumerate(self.captured_white):
img = self.small_image_versions[f'{piece}.png']
screen.blit(img,
(indentX + 2 * square_size + i * captured_pieces_size, indentY - captured_pieces_size - 15))
if not self.white_turn:
black_time2 = self.black_time - (perf_counter() - self.black_move_start_time)
else:
black_time2 = self.black_time
m = int(black_time2 // 60)
s = int(black_time2 % 60)
time_text = self.font.render(f'Time: {m}:{str(s).rjust(2, "0")}', True, text_color)
screen.blit(time_text, (indentX + 8 * square_size - 100, indentY - captured_pieces_size - 10))
pygame.draw.rect(screen, black_square_color,
(indentX, indentY + captured_pieces_size + 5 + square_size * 8, square_size * 8,
captured_pieces_size + 10))
text = self.font.render('White captured:', True, text_color)
screen.blit(text, (indentX + 2 * square_size - 140, indentY + square_size * 8 + captured_pieces_size + 10))
for i, piece in enumerate(self.captured_black):
img = self.small_image_versions[f'{piece}.png']
screen.blit(img, (
indentX + 2 * square_size + i * captured_pieces_size,
indentY + captured_pieces_size + 5 + square_size * 8))
if self.white_turn:
white_time2 = self.white_time - (perf_counter() - self.white_move_start_time)
else:
white_time2 = self.white_time
m = int(white_time2 // 60)
s = int(white_time2 % 60)
text = self.font.render(f'Time: {m}:{str(s).rjust(2, "0")}', True, text_color)
screen.blit(text, (indentX + 8 * square_size - 100, indentY + square_size * 8 + captured_pieces_size + 10))
def display_move_hints(self, screen):
if self.selected and self.can_move and \
((self.white_turn and self.board[self.selected[1]][self.selected[0]].startswith('w')) or
(not self.white_turn and self.board[self.selected[1]][self.selected[0]].startswith('b'))):
self.move_hints = []
for move in moves(self.board, self.selected[1], self.selected[0]):
board1 = deepcopy(self.board)
board1[move[0]][move[1]] = board1[self.selected[1]][self.selected[0]]
board1[self.selected[1]][self.selected[0]] = ''
if can_sacrifice_king or not bool(is_in_check(board1, white_turn=not self.white_turn)):
self.move_hints.append(tuple(move))
if self.white_turn and white_can_castle(self.board) and self.board[self.selected[1]][self.selected[0]] == 'wK':
self.move_hints.append((7, 6))
else:
self.move_hints = None
if self.move_hints and show_move_hints:
for x, y in self.move_hints:
pygame.draw.circle(screen, move_hint_color,
(indentX + y * square_size + square_size // 2,
indentY + x * square_size + square_size // 2), 10)
def display_board_numbers(self, screen):
# displaying digits 1-8
for i in range(8):
text = self.font.render(str(8 - i), True, text_color)
screen.blit(text, (indentX - 20, indentY + (i + 0.5) * square_size))
# displaying letters a-h
for i, letter in enumerate('abcdefgh'):
text = self.font.render(letter, True, text_color)
screen.blit(text, (indentX + i * square_size + square_size // 2, 10 + indentY + 8 * square_size))
def update(self, event):
mouseX, mouseY = event.pos
new = ((mouseX - indentX) // square_size, (mouseY - indentY) // square_size) # new square of the board
if not (0 <= new[0] < 8 and 0 <= new[1] < 8):
self.selected = None
elif self.selected and new[0] == self.selected[0] and new[1] == self.selected[1]:
self.selected = None
elif self.selected and self.board[self.selected[1]][self.selected[0]] and self.can_move:
if not self.move_hints or (new[1], new[0]) not in self.move_hints:
self.selected = new
else:
if self.board[new[1]][new[0]]:
self.captured_black.append(self.board[new[1]][new[0]])
play_capture_sound()
else:
play_move_sound()
make_move_on_board((self.selected[1], self.selected[0], new[1], new[0]), self.board)
self.white_turn = False
self.can_move = False
self.white_time -= perf_counter() - self.white_move_start_time
self.black_move_start_time = perf_counter()
self.last_move = [self.selected[1], self.selected[0], new[1], new[0]]
bot_thread = threading.Thread(target=self.make_move)
bot_thread.start()
self.selected = None
else:
self.selected = new
def make_move(self):
self.current_evaluation, self.last_move = evaluation(self.board, r=recursion_depth, white_turn=False)
if self.last_move in ['wO-O', 'bO-O']:
play_move_sound()
elif self.board[self.last_move[2]][self.last_move[3]]:
self.captured_white.append(self.board[self.last_move[2]][self.last_move[3]])
play_capture_sound()
else:
play_move_sound()
make_move_on_board(self.last_move, self.board)
self.time_for_move = perf_counter() - self.black_move_start_time
self.black_time -= self.time_for_move
self.white_move_start_time = perf_counter()
self.white_turn = True
self.can_move = True
return self.current_evaluation, self.last_move