def get_possible_moves(self): pos = self.position # Pawn moves one up movement = C(0, 1) if self.side == WHITE else C(0, -1) up_pos = pos + movement if self.board.is_valid_pos(up_pos): # Promotion moves if self.board.get_piece_at_pos(up_pos) is None: col = up_pos[1] if col == 7 or col == 0: piecesForPromotion = \ [Rook(self.board, self.side, up_pos), Knight(self.board, self.side, up_pos), Bishop(self.board, self.side, up_pos), Queen(self.board, self.side, up_pos)] for piece in piecesForPromotion: move = Move(self, up_pos) move.promotion = True move.specialMovePiece = piece yield move else: yield Move(self, up_pos) # Pawn moves two up if self.movesMade == 0: movement = C(0, 2) if self.side == WHITE else C(0, -2) up2_pos = pos + movement if self.board.is_valid_pos(up2_pos): if self.board.get_piece_at_pos(up2_pos) is None and \ self.board.get_piece_at_pos(up_pos) is None: yield Move(self, up2_pos) # Pawn takes movements = [C(1, 1), C(-1, 1)] \ if self.side == WHITE else [C(1, -1), C(-1, -1)] for movement in movements: new_pos = self.position + movement if self.board.is_valid_pos(new_pos): pieceToTake = self.board.get_piece_at_pos(new_pos) if pieceToTake and pieceToTake.side != self.side: col = new_pos[1] # Promotions if col == 7 or col == 0: piecesForPromotion = \ [Rook(self.board, self.side, new_pos), Knight(self.board, self.side, new_pos), Bishop(self.board, self.side, new_pos), Queen(self.board, self.side, new_pos)] for piece in piecesForPromotion: move = Move(self, up_pos) move.promotion = True move.specialMovePiece = piece yield move else: yield Move(self, new_pos, piece_to_capture=pieceToTake) # En pessant movements = [C(1, 1), C(-1, 1)] \ if self.side == WHITE else [C(1, -1), C(-1, -1)] for movement in movements: posBesidePawn = self.position + C(movement[0], 0) if self.board.is_valid_pos(posBesidePawn): pieceBesidePawn = self.board.get_piece_at_pos(posBesidePawn) lastPieceMoved = self.board.getLastPieceMoved() lastMoveWasAdvanceTwo = False lastMove = self.board.getLastMove() if lastMove: if lastMove.new_pos - lastMove.old_pos == C(0, 2) or \ lastMove.new_pos - lastMove.old_pos == C(0, -2): lastMoveWasAdvanceTwo = True if pieceBesidePawn and \ pieceBesidePawn.stringRep == 'p' and \ pieceBesidePawn.side != self.side and \ lastPieceMoved is pieceBesidePawn and \ lastMoveWasAdvanceTwo: move = Move(self, self.position + movement, piece_to_capture=pieceBesidePawn) move.pessant = True move.specialMovePiece = pieceBesidePawn yield move
def getPossibleMoves(self): currentPosition = self.position # Pawn moves one up movement = C(0, 1) if self.side == WHITE else C(0, -1) advanceOnePosition = currentPosition + movement if self.board.isValidPos(advanceOnePosition): #Check if piece at position to move to if self.board.pieceAtPosition(advanceOnePosition) is None: col = advanceOnePosition[1] if col == 7 or col == 0: #print("promotion is happening without a capture") ''' piecesForPromotion = \ [Rook(self.board, self.side, advanceOnePosition, self.number), #added self.number to these Knight(self.board, self.side, advanceOnePosition, self.number), Bishop(self.board, self.side, advanceOnePosition, self.number), Queen(self.board, self.side, advanceOnePosition, self.number)] for piece in piecesForPromotion: ''' move = Move(self, advanceOnePosition) move.promotion = True move.specialMovePiece = Queen(self.board, self.side, advanceOnePosition, self.number) #print(move.specialMovePiece) #print(move) yield (move) else: yield (Move(self, advanceOnePosition)) # Pawn moves two up if self.movesMade == 0: movement = C(0, 2) if self.side == WHITE else C(0, -2) advanceTwoPosition = currentPosition + movement if self.board.isValidPos(advanceTwoPosition): if self.board.pieceAtPosition(advanceTwoPosition) is None and \ self.board.pieceAtPosition(advanceOnePosition) is None: yield Move(self, advanceTwoPosition) # Pawn takes movements = [C(1, 1), C(-1, 1)] \ if self.side == WHITE else [C(1, -1), C(-1, -1)] # Pawn captures another piece for m in movements: newPosition = self.position + m if self.board.isValidPos(newPosition): pieceToTake = self.board.pieceAtPosition(newPosition) if pieceToTake and pieceToTake.side != self.side: col = newPosition[1] #print("Piece for pawn to take: ") #print(pieceToTake) #print(pieceToTake.board) # Promotion with a capture if col == 7 or col == 0: #print("promotion is happening with capture") ''' piecesForPromotion = \ [Knight(self.board, self.side, newPosition, self.number), Rook(self.board, self.side, newPosition, self.number), Bishop(self.board, self.side, newPosition, self.number), Queen(self.board, self.side, newPosition, self.number)] for piece in piecesForPromotion: ''' move = Move(self, newPosition, pieceToCapture=pieceToTake) move.promotion = True move.specialMovePiece = Queen(self.board, self.side, newPosition, self.number) #print("reset special move piece") #print(move.specialMovePiece) #print(move) yield (move) else: yield (Move(self, newPosition, pieceToCapture=pieceToTake)) # En pessant movements = [C(1, 1), C(-1, 1)] \ if self.side == WHITE else [C(1, -1), C(-1, -1)] for movement in movements: posBesidePawn = self.position + C(movement[0], 0) if self.board.isValidPos(posBesidePawn): pieceBesidePawn = self.board.pieceAtPosition(posBesidePawn) lastPieceMoved = self.board.getLastPieceMoved() lastMoveWasAdvanceTwo = False lastMove = self.board.getLastMove() if lastMove: if lastMove.newPos - lastMove.oldPos == C(0, 2) or \ lastMove.newPos - lastMove.oldPos == C(0, -2): lastMoveWasAdvanceTwo = True if pieceBesidePawn and \ pieceBesidePawn.stringRep == 'p' and \ pieceBesidePawn.side != self.side and \ lastPieceMoved is pieceBesidePawn and \ lastMoveWasAdvanceTwo: move = Move(self, self.position + movement, pieceToCapture=pieceBesidePawn) move.pessant = True move.specialMovePiece = pieceBesidePawn yield (move)
def getPossibleMoves(self) : currentPosition = self.position # Pawn moves one up movement = C(0, 1) if self.side == WHITE else C(0, -1) advanceOnePosition = currentPosition + movement if self.board.isValidPos(advanceOnePosition) : #Promotion moves if self.board.pieceAtPosition(advanceOnePosition) is None : col = advanceOnePosition[1] if col == 7 or col == 0: piecesForPromotion = [Rook(self.board, self.side, advanceOnePosition), Knight(self.board, self.side, advanceOnePosition), Bishop(self.board, self.side, advanceOnePosition), Queen(self.board, self.side, advanceOnePosition)] for piece in piecesForPromotion : move = Move(self, advanceOnePosition) move.promotion = True move.specialMovePiece = piece yield move else : yield Move(self, advanceOnePosition) #Pawn moves two up if self.movesMade == 0 : movement = C(0, 2) if self.side == WHITE else C(0, -2) advanceTwoPosition = currentPosition + movement if self.board.isValidPos(advanceTwoPosition) : if self.board.pieceAtPosition(advanceTwoPosition) is None and self.board.pieceAtPosition(advanceOnePosition) is None: yield Move(self, advanceTwoPosition) #Pawn takes movements = [C(1,1), C(-1,1)] if self.side == WHITE else [C(1,-1), C(-1,-1)] for movement in movements : newPosition = self.position + movement if self.board.isValidPos(newPosition) : pieceToTake = self.board.pieceAtPosition(newPosition) if pieceToTake and pieceToTake.side != self.side : col = newPosition[1] #Promotions if col == 7 or col == 0: piecesForPromotion = [Rook(self.board, self.side, newPosition), Knight(self.board, self.side, newPosition), Bishop(self.board, self.side, newPosition), Queen(self.board, self.side, newPosition)] for piece in piecesForPromotion : move = Move(self, advanceOnePosition) move.promotion = True move.specialMovePiece = piece yield move else : yield Move(self, newPosition, pieceToCapture = pieceToTake) #En pessant movements = [C(1,1), C(-1,1)] if self.side == WHITE else [C(1,-1), C(-1,-1)] for movement in movements : posBesidePawn = self.position + C(movement[0], 0) if self.board.isValidPos(posBesidePawn) : pieceBesidePawn = self.board.pieceAtPosition(posBesidePawn) lastPieceMoved = self.board.getLastPieceMoved() lastMoveWasAdvanceTwo = False lastMove = self.board.getLastMove() if lastMove : if lastMove.newPos - lastMove.oldPos == C(0,2) or lastMove.newPos - lastMove.oldPos == C(0,-2) : lastMoveWasAdvanceTwo = True if pieceBesidePawn and pieceBesidePawn.stringRep == 'p' and pieceBesidePawn.side != self.side and lastPieceMoved is pieceBesidePawn and lastMoveWasAdvanceTwo: move = Move(self, self.position + movement, pieceToCapture = pieceBesidePawn) move.pessant = True move.specialMovePiece = pieceBesidePawn yield move
def getPossibleMoves(self): currentPosition = self.position # Pawn moves one up movement = C(0, 1) if self.side == WHITE else C(0, -1) advanceOnePosition = currentPosition + movement if self.board.isValidPos(advanceOnePosition): #Promotion moves if self.board.pieceAtPosition(advanceOnePosition) is None: col = advanceOnePosition[1] if col == 7 or col == 0: piecesForPromotion = [ Rook(self.board, self.side, advanceOnePosition), Knight(self.board, self.side, advanceOnePosition), Bishop(self.board, self.side, advanceOnePosition), Queen(self.board, self.side, advanceOnePosition) ] for piece in piecesForPromotion: move = Move(self, advanceOnePosition) move.promotion = True move.specialMovePiece = piece yield move else: yield Move(self, advanceOnePosition) #Pawn moves two up if self.movesMade == 0: movement = C(0, 2) if self.side == WHITE else C(0, -2) advanceTwoPosition = currentPosition + movement if self.board.isValidPos(advanceTwoPosition): if self.board.pieceAtPosition( advanceTwoPosition ) is None and self.board.pieceAtPosition( advanceOnePosition) is None: yield Move(self, advanceTwoPosition) #Pawn takes movements = [C(1, 1), C( -1, 1)] if self.side == WHITE else [C(1, -1), C(-1, -1)] for movement in movements: newPosition = self.position + movement if self.board.isValidPos(newPosition): pieceToTake = self.board.pieceAtPosition(newPosition) if pieceToTake and pieceToTake.side != self.side: col = newPosition[1] #Promotions if col == 7 or col == 0: piecesForPromotion = [ Rook(self.board, self.side, newPosition), Knight(self.board, self.side, newPosition), Bishop(self.board, self.side, newPosition), Queen(self.board, self.side, newPosition) ] for piece in piecesForPromotion: move = Move(self, advanceOnePosition) move.promotion = True move.specialMovePiece = piece yield move else: yield Move(self, newPosition, pieceToCapture=pieceToTake) #En pessant movements = [C(1, 1), C( -1, 1)] if self.side == WHITE else [C(1, -1), C(-1, -1)] for movement in movements: posBesidePawn = self.position + C(movement[0], 0) if self.board.isValidPos(posBesidePawn): pieceBesidePawn = self.board.pieceAtPosition(posBesidePawn) lastPieceMoved = self.board.getLastPieceMoved() lastMoveWasAdvanceTwo = False lastMove = self.board.getLastMove() if lastMove: if lastMove.newPos - lastMove.oldPos == C( 0, 2) or lastMove.newPos - lastMove.oldPos == C( 0, -2): lastMoveWasAdvanceTwo = True if pieceBesidePawn and pieceBesidePawn.stringRep == 'p' and pieceBesidePawn.side != self.side and lastPieceMoved is pieceBesidePawn and lastMoveWasAdvanceTwo: move = Move(self, self.position + movement, pieceToCapture=pieceBesidePawn) move.pessant = True move.specialMovePiece = pieceBesidePawn yield move
def getPossibleMoves(self): currentPosition = self.position # Движение пешки вперед на 1 клетку movement = C(0, 1) if self.side == WHITE else C(0, -1) advanceOnePosition = currentPosition + movement if self.board.isValidPos(advanceOnePosition): # Продвижение if self.board.pieceAtPosition(advanceOnePosition) is None: col = advanceOnePosition[1] if col == 7 or col == 0: piecesForPromotion = \ [Rook(self.board, self.side, advanceOnePosition), Knight(self.board, self.side, advanceOnePosition), Bishop(self.board, self.side, advanceOnePosition), Queen(self.board, self.side, advanceOnePosition)] for piece in piecesForPromotion: move = Move(self, advanceOnePosition) move.promotion = True move.specialMovePiece = piece yield move else: yield Move(self, advanceOnePosition) # Пешка ходит вперед на 2 клетки if self.movesMade == 0: movement = C(0, 2) if self.side == WHITE else C(0, -2) advanceTwoPosition = currentPosition + movement if self.board.isValidPos(advanceTwoPosition): if self.board.pieceAtPosition(advanceTwoPosition) is None and \ self.board.pieceAtPosition(advanceOnePosition) is None: yield Move(self, advanceTwoPosition) # Пешка ест фигуру противника movements = [C(1, 1), C(-1, 1)] \ if self.side == WHITE else [C(1, -1), C(-1, -1)] for movement in movements: newPosition = self.position + movement if self.board.isValidPos(newPosition): pieceToTake = self.board.pieceAtPosition(newPosition) if pieceToTake and pieceToTake.side != self.side: col = newPosition[1] # достижения другого конца доски, выбор новой фигуры if col == 7 or col == 0: piecesForPromotion = \ [Rook(self.board, self.side, newPosition), Knight(self.board, self.side, newPosition), Bishop(self.board, self.side, newPosition), Queen(self.board, self.side, newPosition)] for piece in piecesForPromotion: move = Move(self, advanceOnePosition) move.promotion = True move.specialMovePiece = piece yield move else: yield Move(self, newPosition, pieceToCapture=pieceToTake) # movements = [C(1, 1), C(-1, 1)] \ if self.side == WHITE else [C(1, -1), C(-1, -1)] for movement in movements: posBesidePawn = self.position + C(movement[0], 0) if self.board.isValidPos(posBesidePawn): pieceBesidePawn = self.board.pieceAtPosition(posBesidePawn) lastPieceMoved = self.board.getLastPieceMoved() lastMoveWasAdvanceTwo = False lastMove = self.board.getLastMove() if lastMove: if lastMove.newPos - lastMove.oldPos == C(0, 2) or \ lastMove.newPos - lastMove.oldPos == C(0, -2): lastMoveWasAdvanceTwo = True if pieceBesidePawn and \ pieceBesidePawn.stringRep == 'p' and \ pieceBesidePawn.side != self.side and \ lastPieceMoved is pieceBesidePawn and \ lastMoveWasAdvanceTwo: move = Move(self, self.position + movement, pieceToCapture=pieceBesidePawn) move.pessant = True move.specialMovePiece = pieceBesidePawn yield move