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Board.py
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Board.py
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#python3
from piece import Bishop
from piece import King
from piece import Rook
from piece import Pawn
from piece import Queen
from piece import Knight
import time
import pygame
class board:
rect = (113, 113, 525, 525)
startX = rect[0]
startY = rect[1]
def __init__(self,rows,cols):
self.rows = rows
self.cols = cols
self.turn = "w"
self.winner = None
self.last = None
#player time
self.time1 = 900
self.time2 = 900
"""Places all the pieces on 2D Array Board & generate the board"""
self.board = [[0 for x in range(8)] for _ in range(rows)]
self.board[0][0] = Rook(0, 0, "b")
self.board[0][1] = Knight(0, 1, "b")
self.board[0][2] = Bishop(0, 2, "b")
self.board[0][3] = Queen(0, 3, "b")
self.board[0][4] = King(0, 4, "b")
self.board[0][5] = Bishop(0, 5, "b")
self.board[0][6] = Knight(0, 6, "b")
self.board[0][7] = Rook(0, 7, "b")
self.board[7][0] = Rook(7, 0, "w")
self.board[7][1] = Knight(7, 1, "w")
self.board[7][2] = Bishop(7, 2, "w")
self.board[7][3] = Queen(7, 3, "w")
self.board[7][4] = King(7, 4, "w")
self.board[7][5] = Bishop(7, 5, "w")
self.board[7][6] = Knight(7, 6, "w")
self.board[7][7] = Rook(7, 7, "w")
#faster way of setting pawns
for colum in range(0,8):
self.board[1][colum] = Pawn(1,colum,"b")
self.board[6][colum] = Pawn(6,colum,"w")
#keep track of pieces move
self.moveStack = []
self.turn = "w"
self.time1 = 900
self.time2 = 900
self.storedTime1 = 0
self.storedTime2 = 0
self.winner = None
self.startTime = time.time()
def set_piece(self, row, col, new_piece):
""" This function sets piece on (row, col) cell on board.
:param: row, the row coordinate of the piece.
:param: col, the col coordinate of the piece.
:return: None """
self.board[row][col] = new_piece
def draw(self, win, color):
"""Draws all the images on the board"""
if self.last and color == self.turn:
y, x = self.last[0]
y1, x1 = self.last[1]
xx = (4 - x) +round(self.startX + (x * self.rect[2] / 8))
yy = 3 + round(self.startY + (y * self.rect[3] / 8))
xx1 = (4 - x) + round(self.startX + (x1 * self.rect[2] / 8))
yy1 = 3+ round(self.startY + (y1 * self.rect[3] / 8))
s = None
for i in range(self.rows):
for j in range(self.cols):
if self.board[i][j] != 0:
self.board[i][j].draw(win, color) #drawing each piece by calling piece.draw
if self.board[i][j].isSelected:
s = (i, j)
def select(self, col, row, color):
changed = False
prev = (-1, -1)
for i in range(self.rows):
for j in range(self.cols):
if self.board[i][j] != 0:
if self.board[i][j].selected:
prev = (i, j)
# if piece
if self.board[row][col] == 0:
moves = self.board[prev[0]][prev[1]].move_list
if (col, row) in moves:
changed = self.move(prev, (row, col), color)
else:
if self.board[prev[0]][prev[1]].color != self.board[row][col].color:
moves = self.board[prev[0]][prev[1]].move_list
if (col, row) in moves:
changed = self.move(prev, (row, col), color)
if self.board[row][col].color == color: #theres a bug here:AttributeError: 'int' object has no attribute 'color'
self.board[row][col].selected = True
else:
self.reset_selected()
if self.board[row][col].color == color:
self.board[row][col].selected = True
if changed:
if self.turn == "w":
self.turn = "b"
self.reset_selected()
else:
self.turn = "w"
self.reset_selected()
def move(self, start, end, color):
checkedBefore = self.is_checked(color)
changed = True
nBoard = self.board[:]
if nBoard[start[0]][start[1]].pawn:
nBoard[start[0]][start[1]].first = False
nBoard[start[0]][start[1]].change_pos((end[0], end[1]))
nBoard[end[0]][end[1]] = nBoard[start[0]][start[1]]
nBoard[start[0]][start[1]] = 0
self.board = nBoard
if self.is_checked(color) or (checkedBefore and self.is_checked(color)):
print("king is checked")
changed = False
nBoard = self.board[:]
if nBoard[end[0]][end[1]].pawn:
nBoard[end[0]][end[1]].first = True
nBoard[end[0]][end[1]].change_pos((start[0], start[1]))
nBoard[start[0]][start[1]] = nBoard[end[0]][end[1]]
nBoard[end[0]][end[1]] = 0
self.board = nBoard
else:
self.reset_selected()
self.update_moves()
if changed:
self.last = [start, end]
if self.turn == "w":
self.storedTime1 += (time.time() - self.startTime)
else:
self.storedTime2 += (time.time() - self.startTime)
self.startTime = time.time()
return changed
def reset_selected(self):
for i in range(self.rows):
for j in range(self.cols):
if self.board[i][j] != 0:
self.board[i][j].selected = False
def update_moves(self):
for i in range(self.rows):
for j in range(self.cols):
if self.board[i][j] != 0:
self.board[i][j].update_valid_moves(self.board)
def get_danger_moves(self, color):
danger_moves = []
for i in range(self.rows):
for j in range(self.cols):
if self.board[i][j] != 0:
if self.board[i][j].color != color:
for move in self.board[i][j].move_list:
danger_moves.append(move)
return danger_moves
def is_checked(self, color):
self.update_moves()
danger_moves = self.get_danger_moves(color)
king_pos = (-1, -1)
for i in range(self.rows):
for j in range(self.cols):
if self.board[i][j] != 0:
if self.board[i][j].king and self.board[i][j].color == color:
king_pos = (j, i)
if king_pos in danger_moves:
return True
return False
# def update_valid_moves(self, board):
# self.moveStack = self.valid_moves(board)