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board.py
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board.py
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from pieces import *
import os.path
class chessBoard:
def __init__(self):
self.boardArray = [[]]
self.boardArray = self.__spawnPieces()
self.whoMoved = factionColor.FACTION_BLACK
def __createEmptyArray(self):
hArray = []
for i in range(8):
hArray.append([])
for k in range(8):
hArray[i].append(None)
return hArray
def __spawnPieces(self):
Path = os.path.dirname(os.path.abspath(__file__))
boardArray = self.__createEmptyArray()
boardtemplate = open(Path+ "\\boardtemplate.txt", "r")
for y in range(8):
line = boardtemplate.readline()
for x in range(8):
whatPiece = line[x]
if whatPiece == "O":
boardArray[x][y] = None
elif whatPiece == "P":
if y <= 3:
boardArray[x][y] = piecePawn(x, y, factionColor.FACTION_WHITE)
else:
boardArray[x][y] = piecePawn(x, y, factionColor.FACTION_BLACK)
elif whatPiece == "R":
if y <= 3:
boardArray[x][y] = pieceRook(x, y, factionColor.FACTION_WHITE)
else:
boardArray[x][y] = pieceRook(x, y, factionColor.FACTION_BLACK)
elif whatPiece == "N":
if y <= 3:
boardArray[x][y] = pieceKnight(x, y, factionColor.FACTION_WHITE)
else:
boardArray[x][y] = pieceKnight(x, y, factionColor.FACTION_BLACK)
elif whatPiece == "B":
if y <= 3:
boardArray[x][y] = pieceBishop(x, y, factionColor.FACTION_WHITE)
else:
boardArray[x][y] = pieceBishop(x, y, factionColor.FACTION_BLACK)
elif whatPiece == "Q":
if y <= 3:
boardArray[x][y] = pieceQueen(x, y, factionColor.FACTION_WHITE)
else:
boardArray[x][y] = pieceQueen(x, y, factionColor.FACTION_BLACK)
elif whatPiece == "K":
if y <= 3:
boardArray[x][y] = pieceKing(x, y, factionColor.FACTION_WHITE)
else:
boardArray[x][y] = pieceKing(x, y, factionColor.FACTION_BLACK)
return boardArray
def movePiece(self, pieceToMove, xNew, yNew):
"""this method performs both attack and move"""
##check if it can move
isAttack = pieceToMove.checkAttack(self.boardArray,coordHorizontal=xNew, coordVert=yNew)
if isAttack == True and pieceToMove.faction != self.whoMoved:
self.__move(pieceToMove, xNew, yNew)
return True
##check if it can attack
isLegal = pieceToMove.checkMove(self.boardArray,coordHorizontal=xNew, coordVert=yNew)
if isLegal == True and pieceToMove.faction != self.whoMoved:
self.__move(pieceToMove, xNew, yNew)
return True
#cant do neither
return False
def __move(self,pieceToMove, xNew, yNew):
xCurrent = pieceToMove.x
yCurrent = pieceToMove.y
#change coords inside piece object
pieceToMove.x=xNew
pieceToMove.y=yNew
self.boardArray[xNew][yNew] = pieceToMove
self.whoMoved = pieceToMove.faction
self.boardArray[xCurrent][yCurrent] = None
if (type(self.boardArray[xNew][yNew]) == piecePawn):
self.pawnPromotion(xNew, yNew)
def pawnPromotion(self, xNew, yNew):
if yNew == 7:
self.boardArray[xNew][yNew] = pieceQueen(xNew, yNew, factionColor.FACTION_WHITE)
elif yNew == 0:
self.boardArray[xNew][yNew] = pieceQueen(xNew, yNew, factionColor.FACTION_BLACK)
def getPiece(self,coordHorizontal, coordVert):
return self.boardArray[coordHorizontal][coordVert]
def PRINTBOARD(self):
for i in range(8):
print("")
for j in range(8):
if type(self.boardArray[j][7 - i]) is piecePawn:
print("P", end="")
elif type(self.boardArray[j][7-i]) is pieceKing:
print("K", end="")
elif type(self.boardArray[j][7-i]) is pieceBishop:
print("B", end="")
elif type(self.boardArray[j][7-i]) is pieceKnight:
print("N", end="")
elif type(self.boardArray[j][7-i]) is pieceRook:
print("R", end="")
elif type(self.boardArray[j][7-i]) is pieceQueen:
print("Q",end="")
else:
print("-", end="")
def isVictory(self):
whiteExist = False
blackExist = False
for i in range(8):
for j in range(8):
if self.boardArray[j][i] == None:
continue
if self.boardArray[j][i].faction == factionColor.FACTION_WHITE:
whiteExist = True
if self.boardArray[j][i].faction == factionColor.FACTION_BLACK:
blackExist = True
if blackExist != True:
print("White victory!")
if whiteExist != True:
print("Black victory!")
#function checks if square (x,y) is attacked by faction.
def tileIsAttacked(self,x,y):
square=self.boardArray[x][y]
for i in range(8):
for j in range(8):
if self.boardArray[i][j]==None:
continue;
if self.boardArray[i][j].faction == square.faction:
continue
if self.boardArray[i][j].faction is not square.faction:
if self.getPiece(i,j).checkAttack(self.boardArray,x,y) == True:
return True;
else:
continue;
return False;
#function denermines the position of the king belonging to a faction
def getKing(self,faction):
for i in range(8):
for j in range(8):
king=self.getPiece(i,j)
if ((type(king) == pieceKing) and (king.faction == faction)):
return [i,j]
#function checks whether a king from a faction is under attack
def isChecked(self,faction):
king=self.getKing(faction);
if self.isAttacked(king[0],king[1])== True:
return True;
else:
return False;