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New demo of chess - Play against a real AI engine!

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MikeTheWatchGuy 2018-10-23 13:59:48 -04:00
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commit f380a51f81
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Chess/Demo_Chess_AGAINST_AI.py Normal file
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import PySimpleGUI as sg
import os
import sys
import chess
import chess.pgn
import copy
import chess.uci
CHESS_PATH = '.' # path to the chess pieces
BLANK = 0 # piece names
PAWNB = 1
KNIGHTB = 2
BISHOPB = 3
ROOKB = 4
KINGB = 5
QUEENB = 6
PAWNW = 7
KNIGHTW = 8
BISHOPW = 9
ROOKW = 10
KINGW = 11
QUEENW = 12
initial_board = [[ROOKB, KNIGHTB, BISHOPB, QUEENB, KINGB, BISHOPB, KNIGHTB, ROOKB],
[PAWNB, ] * 8,
[BLANK, ] * 8,
[BLANK, ] * 8,
[BLANK, ] * 8,
[BLANK, ] * 8,
[PAWNW, ] * 8,
[ROOKW, KNIGHTW, BISHOPW, QUEENW, KINGW, BISHOPW, KNIGHTW, ROOKW]]
blank = os.path.join(CHESS_PATH, 'blank.png')
bishopB = os.path.join(CHESS_PATH, 'nbishopb.png')
bishopW = os.path.join(CHESS_PATH, 'nbishopw.png')
pawnB = os.path.join(CHESS_PATH, 'npawnb.png')
pawnW = os.path.join(CHESS_PATH, 'npawnw.png')
knightB = os.path.join(CHESS_PATH, 'nknightb.png')
knightW = os.path.join(CHESS_PATH, 'nknightw.png')
rookB = os.path.join(CHESS_PATH, 'nrookb.png')
rookW = os.path.join(CHESS_PATH, 'nrookw.png')
queenB = os.path.join(CHESS_PATH, 'nqueenb.png')
queenW = os.path.join(CHESS_PATH, 'nqueenw.png')
kingB = os.path.join(CHESS_PATH, 'nkingb.png')
kingW = os.path.join(CHESS_PATH, 'nkingw.png')
images = {BISHOPB: bishopB, BISHOPW: bishopW, PAWNB: pawnB, PAWNW: pawnW, KNIGHTB: knightB, KNIGHTW: knightW,
ROOKB: rookB, ROOKW: rookW, KINGB: kingB, KINGW: kingW, QUEENB: queenB, QUEENW: queenW, BLANK: blank}
def open_pgn_file(filename):
pgn = open(filename)
first_game = chess.pgn.read_game(pgn)
moves = [move for move in first_game.main_line()]
return moves
def render_square(image, key, location):
if (location[0] + location[1]) % 2:
color = '#B58863'
else:
color = '#F0D9B5'
return sg.RButton('', image_filename=image, size=(1, 1), button_color=('white', color), pad=(0, 0), key=key)
def redraw_board(window, board):
for i in range(8):
for j in range(8):
color = '#B58863' if (i + j) % 2 else '#F0D9B5'
piece_image = images[board[i][j]]
elem = window.FindElement(key=(i, j))
elem.Update(button_color=('white', color),
image_filename=piece_image, )
def PlayGame():
menu_def = [['&File', ['&Open PGN File', 'E&xit']],
['&Help', '&About...'], ]
# sg.SetOptions(margins=(0,0))
sg.ChangeLookAndFeel('GreenTan')
# create initial board setup
psg_board = copy.deepcopy(initial_board)
# the main board display layout
board_layout = [[sg.T(' ')] + [sg.T('{}'.format(a), pad=((23, 27), 0), font='Any 13') for a in 'abcdefgh']]
# loop though board and create buttons with images
for i in range(8):
row = [sg.T(str(8 - i) + ' ', font='Any 13')]
for j in range(8):
piece_image = images[psg_board[i][j]]
row.append(render_square(piece_image, key=(i, j), location=(i, j)))
row.append(sg.T(str(8 - i) + ' ', font='Any 13'))
board_layout.append(row)
# add the labels across bottom of board
board_layout.append([sg.T(' ')] + [sg.T('{}'.format(a), pad=((23, 27), 0), font='Any 13') for a in 'abcdefgh'])
# setup the controls on the right side of screen
openings = (
'Any', 'Defense', 'Attack', 'Trap', 'Gambit', 'Counter', 'Sicillian', 'English', 'French', 'Queen\'s openings',
'King\'s Openings', 'Indian Openings')
board_controls = [[sg.RButton('New Game', key='New Game'), sg.RButton('Draw')],
[sg.RButton('Resign Game'), sg.RButton('Set FEN')],
[sg.RButton('Player Odds'), sg.RButton('Training')],
[sg.Drop(openings), sg.Text('Opening/Style')],
[sg.CBox('Play As White', key='_white_')],
[sg.Drop([2, 3, 4, 5, 6, 7, 8, 9, 10], size=(3, 1), key='_level_'), sg.Text('Difficulty Level')],
[sg.Text('Move List')],
[sg.Multiline([], do_not_clear=True, autoscroll=True, size=(15, 10), key='_movelist_')],
]
# layouts for the tabs
controls_layout = [[sg.Text('Performance Parameters', font='_ 20')],
[sg.T('Put stuff like AI engine tuning parms on this tab')]]
statistics_layout = [[sg.Text('Statistics', font=('_ 20'))],
[sg.T('Game statistics go here?')]]
board_tab = [[sg.Column(board_layout)]]
# the main window layout
layout = [[sg.Menu(menu_def, tearoff=False)],
[sg.TabGroup([[sg.Tab('Board', board_tab),
sg.Tab('Controls', controls_layout),
sg.Tab('Statistics', statistics_layout)]], title_color='red'),
sg.Column(board_controls)],
[sg.Text('Click anywhere on board for next move', font='_ 14')]]
window = sg.Window('Chess',
default_button_element_size=(12, 1),
auto_size_buttons=False,
icon='kingb.ico').Layout(layout)
filename = sg.PopupGetFile('\n'.join(('To begin, set location of AI EXE file',
'If you have not done so already, download the engine',
'Download the StockFish Chess engine at: https://stockfishchess.org/download/')),
file_types=(('Chess AI Engine EXE File', '*.exe'),))
if filename is None:
sys.exit()
engine = chess.uci.popen_engine(filename)
engine.uci()
info_handler = chess.uci.InfoHandler()
engine.info_handlers.append(info_handler)
board = chess.Board()
move_count = 1
move_state = move_from = move_to = 0
# ---===--- Loop taking in user input --- #
while not board.is_game_over():
if board.turn == chess.WHITE:
engine.position(board)
# human_player(board)
move_state = 0
while True:
button, value = window.Read()
if button in (None, 'Exit'):
exit()
if button == 'New Game':
sg.Popup('You have to restart the program to start a new game... sorry....')
break
psg_board = copy.deepcopy(initial_board)
redraw_board(window, psg_board)
move_state = 0
break
level = value['_level_']
if type(button) is tuple:
if move_state == 0:
move_from = button
row, col = move_from
piece = psg_board[row][col] # get the move-from piece
button_square = window.FindElement(key=(row, col))
button_square.Update(button_color=('white', 'red'))
move_state = 1
elif move_state == 1:
move_to = button
row, col = move_to
if move_to == move_from: # cancelled move
color = '#B58863' if (row + col) % 2 else '#F0D9B5'
button_square.Update(button_color=('white', color))
move_state = 0
continue
picked_move = '{}{}{}{}'.format('abcdefgh'[move_from[1]], 8 - move_from[0],
'abcdefgh'[move_to[1]], 8 - move_to[0])
if picked_move in [str(move) for move in board.legal_moves]:
board.push(chess.Move.from_uci(picked_move))
else:
print('Illegal move')
move_state = 0
color = '#B58863' if (move_from[0] + move_from[1]) % 2 else '#F0D9B5'
button_square.Update(button_color=('white', color))
continue
psg_board[move_from[0]][move_from[1]] = BLANK # place blank where piece was
psg_board[row][col] = piece # place piece in the move-to square
redraw_board(window, psg_board)
move_count += 1
window.FindElement('_movelist_').Update(picked_move + '\n', append=True)
break
else:
engine.position(board)
best_move = engine.go(searchmoves=board.legal_moves, depth=level, movetime=(level * 100)).bestmove
move_str = str(best_move)
from_col = ord(move_str[0]) - ord('a')
from_row = 8 - int(move_str[1])
to_col = ord(move_str[2]) - ord('a')
to_row = 8 - int(move_str[3])
window.FindElement('_movelist_').Update(move_str + '\n', append=True)
piece = psg_board[from_row][from_col]
psg_board[from_row][from_col] = BLANK
psg_board[to_row][to_col] = piece
redraw_board(window, psg_board)
board.push(best_move)
move_count += 1
sg.Popup('Game over!', 'Thank you for playing')
# Download the StockFish Chess engine at: https://stockfishchess.org/download/
# engine = chess.uci.popen_engine(r'E:\DownloadsE\stockfish-9-win\Windows\stockfish_9_x64.exe')
# engine.uci()
# info_handler = chess.uci.InfoHandler()
# engine.info_handlers.append(info_handler)
# level = 2
PlayGame()