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Commit0300b45

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add chess game tutorial
1 parent2434430 commit0300b45

37 files changed

+758
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lines changed

‎README.md‎

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@@ -249,5 +249,6 @@ This is a repository of all the tutorials of [The Python Code](https://www.thepy
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-[How to Make an Age Calculator in Python](https://www.thepythoncode.com/article/age-calculator-using-tkinter-python). ([code](gui-programming/age-calculator))
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-[How to Create an Alarm Clock App using Tkinter in Python](https://www.thepythoncode.com/article/build-an-alarm-clock-app-using-tkinter-python). ([code](gui-programming/alarm-clock-app))
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-[How to Build a GUI Voice Recorder App in Python](https://www.thepythoncode.com/article/make-a-gui-voice-recorder-python). ([code](gui-programming/voice-recorder-app))
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-[How to Make a Chess Game with Pygame in Python](https://www.thepythoncode.com/article/make-a-chess-game-using-pygame-in-python). ([code](gui-programming/chess-game))
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For any feedback, please consider pulling requests.
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#[How to Make a Chess Game with Pygame in Python](https://www.thepythoncode.com/article/make-a-chess-game-using-pygame-in-python)
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To run this:
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-`pip3 install -r requirements.txt`
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-`python main.py`
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importpygame
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fromdata.classes.SquareimportSquare
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fromdata.classes.pieces.RookimportRook
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fromdata.classes.pieces.BishopimportBishop
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fromdata.classes.pieces.KnightimportKnight
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fromdata.classes.pieces.QueenimportQueen
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fromdata.classes.pieces.KingimportKing
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fromdata.classes.pieces.PawnimportPawn
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# Game state checker
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classBoard:
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def__init__(self,width,height):
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self.width=width
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self.height=height
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self.tile_width=width//8
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self.tile_height=height//8
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self.selected_piece=None
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self.turn='white'
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# try making it chess.board.fen()
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self.config= [
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['bR','bN','bB','bQ','bK','bB','bN','bR'],
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['bP','bP','bP','bP','bP','bP','bP','bP'],
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['','','','','','','',''],
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['','','','','','','',''],
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['','','','','','','',''],
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['','','','','','','',''],
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['wP','wP','wP','wP','wP','wP','wP','wP'],
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['wR','wN','wB','wQ','wK','wB','wN','wR'],
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]
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self.squares=self.generate_squares()
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self.setup_board()
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defgenerate_squares(self):
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output= []
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foryinrange(8):
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forxinrange(8):
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output.append(
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Square(x,y,self.tile_width,self.tile_height)
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)
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returnoutput
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defget_square_from_pos(self,pos):
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forsquareinself.squares:
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if (square.x,square.y)== (pos[0],pos[1]):
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returnsquare
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defget_piece_from_pos(self,pos):
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returnself.get_square_from_pos(pos).occupying_piece
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defsetup_board(self):
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# iterating 2d list
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fory,rowinenumerate(self.config):
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forx,pieceinenumerate(row):
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ifpiece!='':
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square=self.get_square_from_pos((x,y))
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# looking inside contents, what piece does it have
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ifpiece[1]=='R':
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square.occupying_piece=Rook(
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(x,y),'white'ifpiece[0]=='w'else'black',self
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)
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# as you notice above, we put `self` as argument, or means our class Board
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elifpiece[1]=='N':
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square.occupying_piece=Knight(
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(x,y),'white'ifpiece[0]=='w'else'black',self
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)
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elifpiece[1]=='B':
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square.occupying_piece=Bishop(
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(x,y),'white'ifpiece[0]=='w'else'black',self
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)
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elifpiece[1]=='Q':
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square.occupying_piece=Queen(
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(x,y),'white'ifpiece[0]=='w'else'black',self
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)
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elifpiece[1]=='K':
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square.occupying_piece=King(
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(x,y),'white'ifpiece[0]=='w'else'black',self
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)
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elifpiece[1]=='P':
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square.occupying_piece=Pawn(
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(x,y),'white'ifpiece[0]=='w'else'black',self
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)
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defhandle_click(self,mx,my):
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x=mx//self.tile_width
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y=my//self.tile_height
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clicked_square=self.get_square_from_pos((x,y))
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ifself.selected_pieceisNone:
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ifclicked_square.occupying_pieceisnotNone:
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ifclicked_square.occupying_piece.color==self.turn:
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self.selected_piece=clicked_square.occupying_piece
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elifself.selected_piece.move(self,clicked_square):
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self.turn='white'ifself.turn=='black'else'black'
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elifclicked_square.occupying_pieceisnotNone:
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ifclicked_square.occupying_piece.color==self.turn:
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self.selected_piece=clicked_square.occupying_piece
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defis_in_check(self,color,board_change=None):# board_change = [(x1, y1), (x2, y2)]
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output=False
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king_pos=None
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changing_piece=None
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old_square=None
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new_square=None
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new_square_old_piece=None
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ifboard_changeisnotNone:
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forsquareinself.squares:
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ifsquare.pos==board_change[0]:
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changing_piece=square.occupying_piece
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old_square=square
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old_square.occupying_piece=None
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forsquareinself.squares:
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ifsquare.pos==board_change[1]:
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new_square=square
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new_square_old_piece=new_square.occupying_piece
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new_square.occupying_piece=changing_piece
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pieces= [
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i.occupying_pieceforiinself.squaresifi.occupying_pieceisnotNone
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]
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ifchanging_pieceisnotNone:
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ifchanging_piece.notation=='K':
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king_pos=new_square.pos
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ifking_pos==None:
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forpieceinpieces:
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ifpiece.notation=='K'andpiece.color==color:
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king_pos=piece.pos
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forpieceinpieces:
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ifpiece.color!=color:
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forsquareinpiece.attacking_squares(self):
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ifsquare.pos==king_pos:
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output=True
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ifboard_changeisnotNone:
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old_square.occupying_piece=changing_piece
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new_square.occupying_piece=new_square_old_piece
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returnoutput
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defis_in_checkmate(self,color):
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output=False
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forpiecein [i.occupying_pieceforiinself.squares]:
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ifpiece!=None:
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ifpiece.notation=='K'andpiece.color==color:
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king=piece
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ifking.get_valid_moves(self)== []:
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ifself.is_in_check(color):
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output=True
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returnoutput
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defdraw(self,display):
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ifself.selected_pieceisnotNone:
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self.get_square_from_pos(self.selected_piece.pos).highlight=True
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forsquareinself.selected_piece.get_valid_moves(self):
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square.highlight=True
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forsquareinself.squares:
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square.draw(display)
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importpygame
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classPiece:
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def__init__(self,pos,color,board):
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self.pos=pos
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self.x=pos[0]
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self.y=pos[1]
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self.color=color
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self.has_moved=False
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defmove(self,board,square,force=False):
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foriinboard.squares:
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i.highlight=False
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ifsquareinself.get_valid_moves(board)orforce:
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prev_square=board.get_square_from_pos(self.pos)
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self.pos,self.x,self.y=square.pos,square.x,square.y
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prev_square.occupying_piece=None
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square.occupying_piece=self
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board.selected_piece=None
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self.has_moved=True
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# Pawn promotion
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ifself.notation==' ':
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ifself.y==0orself.y==7:
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fromdata.classes.pieces.QueenimportQueen
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square.occupying_piece=Queen(
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(self.x,self.y),
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self.color,
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board
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)
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# Move rook if king castles
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ifself.notation=='K':
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ifprev_square.x-self.x==2:
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rook=board.get_piece_from_pos((0,self.y))
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rook.move(board,board.get_square_from_pos((3,self.y)),force=True)
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elifprev_square.x-self.x==-2:
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rook=board.get_piece_from_pos((7,self.y))
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rook.move(board,board.get_square_from_pos((5,self.y)),force=True)
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returnTrue
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else:
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board.selected_piece=None
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returnFalse
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defget_moves(self,board):
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output= []
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fordirectioninself.get_possible_moves(board):
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forsquareindirection:
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ifsquare.occupying_pieceisnotNone:
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ifsquare.occupying_piece.color==self.color:
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break
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else:
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output.append(square)
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break
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else:
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output.append(square)
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returnoutput
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defget_valid_moves(self,board):
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output= []
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forsquareinself.get_moves(board):
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ifnotboard.is_in_check(self.color,board_change=[self.pos,square.pos]):
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output.append(square)
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returnoutput
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# True for all pieces except pawn
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defattacking_squares(self,board):
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returnself.get_moves(board)
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importpygame
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classSquare:
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def__init__(self,x,y,width,height):
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self.x=x
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self.y=y
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self.width=width
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self.height=height
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self.abs_x=x*width
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self.abs_y=y*height
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self.abs_pos= (self.abs_x,self.abs_y)
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self.pos= (x,y)
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self.color='light'if (x+y)%2==0else'dark'
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self.draw_color= (220,189,194)ifself.color=='light'else (53,53,53)
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self.highlight_color= (100,249,83)ifself.color=='light'else (0,228,10)
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self.occupying_piece=None
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self.coord=self.get_coord()
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self.highlight=False
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self.rect=pygame.Rect(
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self.abs_x,
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self.abs_y,
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self.width,
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self.height
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)
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defget_coord(self):
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columns='abcdefgh'
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returncolumns[self.x]+str(self.y+1)
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defdraw(self,display):
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ifself.highlight:
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pygame.draw.rect(display,self.highlight_color,self.rect)
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else:
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pygame.draw.rect(display,self.draw_color,self.rect)
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ifself.occupying_piece!=None:
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centering_rect=self.occupying_piece.img.get_rect()
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centering_rect.center=self.rect.center
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display.blit(self.occupying_piece.img,centering_rect.topleft)
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importpygame
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fromdata.classes.PieceimportPiece
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classBishop(Piece):
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def__init__(self,pos,color,board):
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super().__init__(pos,color,board)
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img_path='data/imgs/'+color[0]+'_bishop.png'
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self.img=pygame.image.load(img_path)
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self.img=pygame.transform.scale(self.img, (board.tile_width-20,board.tile_height-20))
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self.notation='B'
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defget_possible_moves(self,board):
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output= []
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moves_ne= []
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foriinrange(1,8):
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ifself.x+i>7orself.y-i<0:
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break
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moves_ne.append(board.get_square_from_pos(
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(self.x+i,self.y-i)
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))
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output.append(moves_ne)
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moves_se= []
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foriinrange(1,8):
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ifself.x+i>7orself.y+i>7:
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break
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moves_se.append(board.get_square_from_pos(
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(self.x+i,self.y+i)
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))
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output.append(moves_se)
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moves_sw= []
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foriinrange(1,8):
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ifself.x-i<0orself.y+i>7:
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break
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moves_sw.append(board.get_square_from_pos(
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(self.x-i,self.y+i)
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))
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output.append(moves_sw)
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moves_nw= []
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foriinrange(1,8):
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ifself.x-i<0orself.y-i<0:
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break
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moves_nw.append(board.get_square_from_pos(
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(self.x-i,self.y-i)
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))
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output.append(moves_nw)
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returnoutput

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