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ChessGame.py
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ChessGame.py
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import math
import pygame
import os
import random
import copy
import sys
boardfix = [
["┌","┬","┐"],
["├","┼","┤"],
["└","┴","┘"],
];
#this flag is to check the construction of entire tree only once.
flag=int(0)
#Globale verdier
alphaValueOffset = 0x41;
pos_val={'p':int(-10),'r':int(-50),'n':int(-30),'b':int(-30),'q':int(-90),'k':int(-900),'P':int(10),'R':int(50),'N':int(30),'B':int(30),'Q':int(90),'K':int(900)}
#Hjelpe funksjoner
lost={}
class Node:
#mapnodes={}
#game=None
#score=0
def __init__(self,game,level):
#print(game)
self.game=copy.copy(game)
if level%2==0:
self.score=sys.maxsize-1
else:
self.score=-sys.maxsize-1
self.mapnodes={}
def removeNeg(moves):
for i in moves:
if i[0]<0 or i[1]<0 or i[0]>7 or i[1]>7:
moves.remove(i)
def legalMoves(chessGame,player):
moves={}
#print("PLayer ",player)
for i in chessGame.board:
if i!=None:
i.update()
#print("i ",i," ",i.pos,end=" ")
if i!=None and i.team==player and len(i.validMoves)!=0:
removeNeg(i.validMoves)
#print(i," ",i.validMoves," ",i.pos," ",end=" ")
#print("haaaaaaaa ",i.pos," ",i.validMoves)
if i.pos in i.validMoves:
#print("true ",i.pos)
i.validMoves.remove(i.pos)
#print("moves ",i.pos," ",i.validMoves)
t=type(i)
#print("IIII ",type(i)," ",i.pos," ",'SSSSSSSS')
moves[(i,i.pos)]=i.validMoves
#print()
return moves
dummy_score=0;
def buildMapForAi(root,chessGame,level):
#print("Ai ",
#print(root.mapnodes)
count=0
done=False
#global dummy_score;
#dummy_score+=10;
moves=legalMoves(chessGame,0)
#print("AI ",moves)
for i in moves.keys():
for j in moves[i]:
#print("AI ",i," ",j)
#if count>=3:
#done=True
#break;
#chess=copy.deepcopy(root.game)
#print("MOVE ",i," ",j)
#print("BEFORE1")
#print(chessGame)
#print(i[0].pos)
attacked=chessGame.moveDup(i[0],i[1],j,0)
if attacked[0]==True:
#count+=1
n=Node(chessGame.board,level+1)
if level==3:
#print(chessGame)
n.score=evaluatePos(chessGame.board)
#n.score=dummmy_score;
#print(n.score)
#print("SCORE1 ",n.score)
#pass;
#if attacked[1]!=None:
#print("BEFore ")
#print(chessGame)
root.mapnodes[(i,j,attacked[1])]=n
chessGame.moveDupRev(i[0],j,i[1],0,attacked[1])
#if attacked[1]!=None:
#print("after ")
#print(chessGame)
#print("AFTER1")
#print(chessGame)
#print(i[0].pos)
#n=Node(chessGame.board)
#root.mapnodes[(i,j)]=n
#chessGame.moveDup(i[0],j,i[1],0)
#print("AFTERREV ")
#print(chessGame)
#print("should hav nothing ",n.mapnodes," lol")
#print(n.mapnodes
#if done==True:
#break
#print(len(root.mapnodes))
#reducebranching(root.mapnodes)
#print(root)
#n.score=evaluatePos(n.game.board)
def buildMapForOpp(root,chessGame,level):
#print("NODE")
moves=legalMoves(chessGame,1)
#print("OPP ",moves)
#global dummy_score;
#dummy_score+=10;
count=0
#countdummy=0;
done=False
for i in moves.keys():
for j in moves[i]:
#print("OPP ",i," ",j)
#count+=1
#if count>=3:
#done=True
#break
#chess=copy.deepcopy(root.game)
#print("BEFORE2")
#print(chessGame)
attacked=chessGame.moveDup(i[0],i[1],j,1)
if attacked[0]==True:
count+=1
n=Node(chessGame.board,level+1)
#if attacked[1]!=None:
#print("BEFore ")
#print(chessGame)
if level==1:
#n.score=dummy_score
#sprint(chessGame)
n.score=evaluatePos(chessGame.board)
#print(" ",n.score)
root.mapnodes[(i,j,attacked[1])]=n
chessGame.moveDupRev(i[0],j,i[1],1,attacked[1])
#if attacked[1]!=None:
#print("after")
#print(chessGame)
#print("AFTER2")
#print(chessGame)
#n=Node(chessGame.board)
#root.mapnodes[(i,j)]=n
#chessGame.moveDup(i[0],j,i[1],1)
#if done==True:
#break
#print(len(root.mapnodes))
#reducebranching(root.mapnodes)
#print(root)
#n.score=evaluatePos(n.game.board)
max_val=0
min_val=0
calls=0;
#constructing minmax tree
c0=int(0)
c1=int(0)
c2=int(0)
c3=int(0)
c4=int(0)
c5=int(0)
c6=int(0)
calls=int(0)
s={-1}
#s={-1}
def printf(root):
for key,value in root.mapnodes.items():
pass
#print(value.score,end=" ")
def minmax(root,level,alpha,beta):
#print(root.score)
#printf(root)
#pass
if level==2:
return root.score
mx=-sys.maxsize-1
mn=sys.maxsize-1
#print("ALPHABETA ",alpha," ",beta)
for key,value in root.mapnodes.items():
if level%2==0:
alpha=max(alpha,value.score)
#print("HERE1 ",alpha," ",beta," ",value.score)
if alpha<beta:
#print("AB ",alpha," ",beta)
mx=max(mx,minmax(value,level+1,alpha,beta))
root.score=mx
else:
beta=min(beta,value.score)
#print("HERE2 ",alpha," ",beta)
#print("AB ",alpha," ",beta)
if alpha<beta:
mn=min(mn,minmax(value,level+1,alpha,beta))
root.score=mn
return root.score
def getMoveForAi(root):
mx=-sys.maxsize-1
move=None
for key,value in root.mapnodes.items():
#print(value.score)
if mx<value.score:
mx=value.score;
move=key,value
return move;
def constructLastLevel(root,chessGame,level):
if level>=2:
return
if level%2==1:
root.score=sys.maxsize-1
if level%2==0:
root.score=-sys.maxsize-1
if level<1:
for key,value in root.mapnodes.items():
constructLastLevel(value,chessGame,level+1)
if level==1:
buildMapForOpp(root,chessGame,level)
return root
def constructTree(chessGame,root,level):
global s
global flag
flag=1
#print(chessGame)
#print(root.score," ",level)
#print("ROOT ",level)
#print(chessGame)
#s.add(level)
#print("ROOT THIS",level)
#print("Root ",level)
#print(chessGame)
#print(root.game.board)
global c0
global c1
global c2
global c3
global c4
global c5
global c6
global calls
#calls+=1
if level>=2:
return calls
else:
calls+=1
if level==0:
c0+=1
if level==1:
c1+=1
if level==2:
c2+=1
if level==3:
c3+=1
if level==4:
c4+=1
if level==5:
c5+=1
if level==6:
c6+=1
#calls+=1
if level%2==0:
#print("here")
buildMapForAi(root,chessGame,level)
else:
#print("here1")
buildMapForOpp(root,chessGame,level)
'''if level==3:
#print(chessGame)
for key,value in root.mapnodes.items():
#print(chessGame)
value.score=evaluatePos(value.game)'''
#moves=legalMoves(root.game)
#print(root.mapnodes)
#print("MAP ")
#for key,value in root.mapnodes.items():
#sprint(key," ",value)
for key,value in root.mapnodes.items():
#print("CHILD OF ",level)
#print(value.game)
#print(value)
chessGame.moveDup(key[0][0],key[0][0].pos,key[1],level)
constructTree(chessGame,value,level+1)
# print("Key ",type(key[0]))
# print(" v ",value)
#print(key[0][0]," ",key[0][0].pos," ",key[0][1])
chessGame.moveDupRev(key[0][0],key[0][0].pos,key[0][1],level,key[2])
#print("AFTER ",chessGame)
#return calls
#return root
#for i in moves.keys():
# for j in moves[i]:
#print("MOVES ",i.pos," ",j)
# chess=copy.deepcopy(root.game)
#print("COPY")
#print(chess)
# chess.move(i.pos,j)
#print("After move")
#print(chess)
# n=Node(chess)
# n.mapnodes[(i,j)]=n
# print("child ",legalMoves(n.game))
#game with the child board
#cgame=chessboard()
#cgame.make(chess,0,0)
#print(cgame.board,"Board haha ")
#def minmax(root):
def trav(root):
pass
#print("in trav")
for key,val in root.mapnodes.items():
pass
#print(key[0].pos," ",key[1]," ",val.score)
#if key[0].pos==key[1]:
# print("YES ",val)
# root.mapnodes.pop(key)
#print(key[0].pos," ",key[1]," ",val.score)
#for key,val in root.mapnodes.items():
#print("out trav")
def max_val(root):
trav(root)
max_value=-sys.maxsize-1
move=0
#move=
for key,val in root.mapnodes.items():
#print("List ",key[0]," ",key[1]," ",val.score)
#print(val.score)
if max_value<val.score:
max_value=val.score
move=key
'''for j in i:
n=root.mapnodes[i]
if max_value>n.score:
max_vale=n.score
move=i'''
return move
def deleteall(root):
if root is not None:
root.mapnodes.clear()
root.mapnodes=None
root.game=None
root.score=None
del root
root=None
def evaluatePos(board):
'''count1=int(0)
count2=int(0)
c1=int(0)
c2=int(0)
c3=int(0)
c4=int(0)
c5=int(0)
c6=int(0)
c7=int(0)'''
value=int(0)
#print("START")
#print("INDEX ",board.index(None))
'''for i in board:
for j in range(8):
print(i,end=" ")
print()'''
'''for i in board:
if i!=None:
i=i.char[0]
if i==None:
c1+=1;
elif i=='r' or i=='R':
c2+=1;
elif i=='n' or i=='N':
c3+=1;
elif i=='b' or i=='B':
c4+=1;
elif i=='q' or i=='Q':
c5+=1;
elif i=='k' or i=='K':
c6+=1;
elif i=='p' or i=='P':
c7+=1;
else:
print ("here ",i);
#prin t()
print("C ",c1," ",c2," ",c3," ",c4," ",c5," ",c6," ",c7);'''
for i in board:
#print(i)
#count1+=1;
if i!=None:
#count2+=1;
if i.team==0:
c=i.char[0]
#print(i.team," ",i," ",c," ",int(pos_val[c.upper()]))
value+=int(pos_val[c.upper()])
elif i.team==1:
c=i.char[1]
#print(i.team," ",i," ",c," ",int(pos_val[c.lower()]))
value+=int(pos_val[c.lower()])
# print(len(board)," BOARD")
# print("C1 ",count1)
# print("C2 ",count2)
#print("END")
#value+=int(pos_val[i.char])
return value
def index2pos(index):
return (index%8,math.floor(index/8)*8);
def pos2index(pos):
return pos[0] + pos[1]*8;
def str2index(str):
return pos2index(str2pos(str));
def str2pos(str):
return ((ord(str.upper()[0])-alphaValueOffset) % 8,int(str[1])-1);
def pos2str(pos):
return chr( (pos[0]-alphaValueOffset) % 8).upper() + str(pos[1]+1);
class piece:
pos = (0,0);
board = None;
team = -1;
spritesheet = (pygame.image.load("chesspieces.png"),45);
spriteIndex = (0,0);
canRender = True;
hadLastMove = False;
hasMoved = False;
validMoves = [];
threat = [];
semiThreat = [];
char = ["?"];
#Generell definisjon på en brikke
def __init__(self,board,pos,team):
self.pos = pos;
self.team = team;
self.board = board;
self.hasMoved = False;
self.threat = [];
self.validMoves = [];
self.semiThreat = [];
self.hadLastMove = False;
self.canRender = True;
def render(self,surface):
if(self.canRender):
s = self.spritesheet;
surface.blit(s[0],(self.pos[0]*s[1],self.pos[1]*s[1]),((self.spriteIndex[self.team]%6)*s[1],math.floor(self.spriteIndex[self.team]/6)*s[1],s[1],s[1]));
def moveTo(self,pos):
if(self.canMoveTo(pos)):
self.hasMoved = True;
p2 = self.board.getPieceAt(pos);
self.board.setPieceAt(pos,self);
self.board.setPieceAt(self.pos,None);
self.pos = pos;
if(p2):
p2.kill();
return True,True;
return True,False;
return False,False;
def canMoveTo(self,pos):
#print("here ",self.validMoves)
#print("can move to")
#print(self.validMoves)
return pos in self.validMoves;
'''if(self.board.firstEncounter(self.pos,pos) == pos):
#if settning som ser om det er en brikke i mellom
#brikkens posisjon og destinasjonen
p2 = self.board.getPieceAt(pos);
if(p2):
return self.team != p2.team;
return True;
return False;'''
def kill(self):
#Logikk som skal kjøres når brikken blir slått ut
pass;
def update(self):
self.validMoves = [];
for i in self.threat:
s = self.board.getPieceAt(i);
if((not s) or (s and s.team != self.team)):
self.validMoves.append(i);
def afterUpdate(self):
pass;
def __str__(self):
return self.char[self.team%2];
class king(piece):
char = ['K','k'];
spriteIndex = (0,6);
#Definisjon på hvordan kongen kan bevege seg
def render(self,surface):
if(self.board.isThreatend(self.pos,self.team)):
pygame.draw.rect(surface,(255,100,0),(self.pos[0]*45,self.pos[1]*45,45,45));
super(king,self).render(surface);
def moveTo(self,pos):
i2 = self.board.getPieceAt(pos);
if(i2 and isinstance(i2,rook) and (not isinstance(i2,queen))):
if(i2.canMoveTo(self.pos)):
return i2.moveTo(self.pos);
else:
return False, False;
else:
return super(king,self).moveTo(pos);
'''
def canMoveTo(self,pos):
i2 = self.board.getPieceAt(pos);
if(i2 and isinstance(i2,rook) and (not isinstance(i2,queen))):
return i2.canMoveTo(self.pos);
return pos in self.validMoves;
return super(king,self).canMoveTo(pos) and abs(pos[0]-self.pos[0]) <= 1 and (pos[1]-self.pos[1]) <= 1;
'''
def afterUpdate(self):
threats = self.board.threatenedBy(self.pos,self.team);
semi = self.board.threatenedBy(self.pos,self.team,True);
vM = self.validMoves;
self.validMoves = [];
anyMove = False;
for i in vM:
'''
if(not (self.board.isThreatend(i,self.team))):
if(not (self.board.isThreatend(i,self.team,True))):
self.validMoves += [i];
anyMove = True;
'''
tS = self.board.threatenedBy(i,self.team);
if(len(tS) <= 0):
sM = self.board.threatenedBy(i,self.team,True);
if(len(sM)>0):
for k in sM:
if(not k in threats):
self.validMoves += [i];
break;
else:
self.validMoves += [i];
if(len(self.validMoves) > 0):
anyMove=True;
for i in self.board.board:
if(i != self):
if(i and i.team == self.team):
if(len(threats) == 1):
rC = self.board.raycast(self.pos,threats[0].pos);
vM = i.validMoves;
i.validMoves = [];
for j in vM:
if(j in rC):
i.validMoves += [j];
elif(len(threats) > 1):
i.validMoves = [];
elif(len(semi)>0):
for j in semi:
if(not len(i.validMoves)>0):
break;
if(i.pos in j.threat):
rCast = self.board.raycast(i.pos,j.pos);
vM = i.validMoves;
i.validMoves = [];
for v in vM:
if((v in j.threat and v in rCast) or v==j.pos):
i.validMoves += [v];
if(len(i.validMoves)>0):
anyMove = True;
if(not anyMove):
if(len(threats)>0):
self.board.winner = ((self.team+1)%2);
else:
self.board.winner = 2;
def valid(self):
return self.validMoves
def update(self):
s = self.pos;
#print(s)
self.threat = [];
self.validMoves = [];
for i in range(9):
nPos = (s[0]+(i%3)-1,s[1]+(int(i/3))-1);
if(nPos == s or nPos[0] < 0 or nPos[1] < 0 or nPos[0] > 7 or nPos[1] > 7):
continue;
self.threat.append(nPos);
super(king,self).update();
if(not self.board.isThreatend(self.pos,self.team)):
posT = [self.board.firstEncounter(self.pos,(self.pos[0]-8,self.pos[1])),
self.board.firstEncounter(self.pos,(self.pos[0]+8,self.pos[1]))];
for p in posT:
if(p):
i1 = self.board.getPieceAt(p);
if(i1):
i1.update();
if i1.canMoveTo(self.pos):
self.validMoves += [p];
class bishop(piece):
char = ["B","b"];
#Definisjon på hvordan løperen kan bevege seg
spriteIndex = (2,6+2);
'''
def canMoveTo(self,pos):
return super(bishop,self).canMoveTo(pos) and (
abs(pos[0]-self.pos[0]) == abs(pos[1]-self.pos[1]));
'''
def update(self):
self.threat = [];
self.threat += self.board.raycast(self.pos,(self.pos[0]+8,self.pos[1]+8));
self.threat += self.board.raycast(self.pos,(self.pos[0]-8,self.pos[1]+8));
self.threat += self.board.raycast(self.pos,(self.pos[0]+8,self.pos[1]-8));
self.threat += self.board.raycast(self.pos,(self.pos[0]-8,self.pos[1]-8));
self.semiThreat = [];
self.semiThreat += self.board.raycast(self.pos,(self.pos[0]+8,self.pos[1]+8),2);
self.semiThreat += self.board.raycast(self.pos,(self.pos[0]-8,self.pos[1]+8),2);
self.semiThreat += self.board.raycast(self.pos,(self.pos[0]+8,self.pos[1]-8),2);
self.semiThreat += self.board.raycast(self.pos,(self.pos[0]-8,self.pos[1]-8),2);
piece.update(self)
def valid(self):
return self.validMoves
class rook(piece):
char = ["R","r"]
spriteIndex = (4,6+4);
#Definisjon på hvordan tårnet kan bevege seg
'''
def moveTo(self,pos):
i2 = self.board.getPieceAt(pos);
if(i2 and isinstance(i2,king) and i2.team == self.team):
if(self.canMoveTo(pos)):
self.board.swapPieces(self.pos,pos);
self.hasMoved = True;
i2.hasMoved = True;
return True,False;
else:
return super(rook,self).moveTo(pos);
return False,False;
'''
def moveTo(self,pos):
i2 = self.board.getPieceAt(pos);
if(i2 and (not isinstance(self,queen)) and isinstance(i2,king) and i2.team == self.team):
if(self.canMoveTo(pos)):
nPosK = (int(i2.pos[0] + 2*math.copysign(1,self.pos[0]-i2.pos[0])),self.pos[1]);
nPosS = (int(nPosK[0]+math.copysign(1,-self.pos[0]+i2.pos[0])),self.pos[1]);
self.board.swapPieces(self.pos,nPosS);
self.board.swapPieces(i2.pos,nPosK);
self.pos = nPosS;
i2.pos = nPosK;
self.hasMoved = True;
i2.hasMoved = True;
return True, False;
else:
return super(rook,self).moveTo(pos);
return False,False;
'''
def canMoveTo(self,pos):
i2 = self.board.getPieceAt(pos);
if(i2 and (not self.hasMoved) and isinstance(i2,king)
and (not i2.hasMoved) and i2.team == self.team
and self.board.firstEncounter(self.pos,pos) == pos):
return True;
else:
return super(rook,self).canMoveTo(pos) and (
(abs(pos[0]-self.pos[0]) > 0) != (abs(pos[1]-self.pos[1]) > 0));
'''
def update(self):
self.threat = [];
self.threat += self.board.raycast(self.pos,(self.pos[0]+8,self.pos[1]));
self.threat += self.board.raycast(self.pos,(self.pos[0]-8,self.pos[1]));
self.threat += self.board.raycast(self.pos,(self.pos[0],self.pos[1]-8));
self.threat += self.board.raycast(self.pos,(self.pos[0],self.pos[1]+8));
self.semiThreat = [];
self.semiThreat += self.board.raycast(self.pos,(self.pos[0]+8,self.pos[1]),2);
self.semiThreat += self.board.raycast(self.pos,(self.pos[0]-8,self.pos[1]),2);
self.semiThreat += self.board.raycast(self.pos,(self.pos[0],self.pos[1]-8),2);
self.semiThreat += self.board.raycast(self.pos,(self.pos[0],self.pos[1]+8),2);
piece.update(self);
if((not self.hasMoved) and (not isinstance(self,queen))):
p2 = self.board.firstEncounter(self.pos,(self.pos[0]+8,self.pos[1])) or self.board.firstEncounter(self.pos,(self.pos[0]-8,self.pos[1]))
if(p2 and not self.board.isThreatend(p2,self.team)):
i2 = self.board.getPieceAt(p2);
if(i2 and isinstance(i2,king) and (not i2.hasMoved)):
tTest = self.board.raycast(p2,(p2[0] - 2*math.copysign(1,-self.pos[0]+p2[0]),p2[1]));
for i in tTest:
if(self.board.isThreatend(i,self.team)):
return;
self.validMoves += [p2];
def valid(self):
return self.validMoves
class pawn(piece):
char = ["P","p"];
spriteIndex = (5,6+5);
movedTwice = False;
#Definisjon på hvordan bonden kan bevege seg
#Bonden krever litt ekstra logikk, fordi den
#har et spesialtrekk og kan bare slå ut andre
#brikker på skrå
def __init__(self,board,pos,team):
piece.__init__(self,board,pos,team);
self.movedTwice = False;
def moveTo(self,pos):
xDiff = -self.pos[0] + pos[0];
yDiff = -self.pos[1] + pos[1];
r,r2 = super(pawn,self).moveTo(pos);
self.movedTwice = r and abs(yDiff) > 1;
if(r and not r2 and abs(yDiff) == 1 and abs(xDiff) == 1):
#If settning som sjekker om 'En passant', fjerner
#motstanderen om det er tilfelle
p2 = (pos[0],pos[1] + (self.team*2 - 1));
i2 = self.board.getPieceAt(p2);
self.board.setPieceAt(p2,None);
i2.kill();
if(r and ((pos[1]+1)%8) == self.team):
#Sjekker om bonden har nådd enden av brettet
while(True):
try:
pieace_in = int(input("Change pawn to 1: queen, 2: knight, 3: bishop, 4: rook: "));
obj = queen(self.board,pos,self.team);
if(pieace_in == 2):
obj = knight(self.board,pos,self.team);
if(pieace_in == 3):
obj = bishop(self.board,pos,self.team);
if(pieace_in == 4):
obj = rook(self.board,pos,self.team);
#print("OBJ ",obj)
self.board.setPieceAt(pos,obj);
break;
except Exception:
pass;
return r,r2;
def update(self):
pos = self.pos;
self.threat = [(pos[0]-1,pos[1]-(self.team*2 - 1)),(pos[0]+1,pos[1]-(self.team*2 - 1))];
self.validMoves = [];
for i in self.threat:
p = self.board.getPieceAt(i);
if(p and p.team != self.team):
self.validMoves += [i];
p1 = (pos[0],self.pos[1]-(self.team*2 - 1));
p2 = (pos[0],self.pos[1]-(self.team*2 - 1)*2);
if(not self.board.getPieceAt(p1)):
self.validMoves += [p1];
if(not self.hasMoved):
if(not self.board.firstEncounter(pos,p2)):
self.validMoves += [p2];
p3 = (pos[0]-1,pos[1]);
p4 = (pos[0]+1,pos[1]);
i3 = self.board.getPieceAt(p3);
i4 = self.board.getPieceAt(p4);
if(i3 and i3.hadLastMove and isinstance(i3,pawn) and i3.movedTwice and i3.team != self.team):
self.validMoves += [(pos[0]-1,pos[1]-(self.team*2 - 1))];
elif(i4 and i4.hadLastMove and isinstance(i4,pawn) and i4.movedTwice and i4.team != self.team):
self.validMoves += [(pos[0]+1,pos[1]-(self.team*2 - 1))];
'''
def canMoveTo(self,pos):
if(super(pawn,self).canMoveTo(pos)):
p2 = self.board.getPieceAt(pos);
i2 = self.board.getPieceAt((pos[0],pos[1] + (self.team*2 - 1)))
xDiff = -self.pos[0] + pos[0];
yDiff = -self.pos[1] + pos[1];
if(-yDiff == (self.team*2 - 1)):
#Sjekker først om brikken beveger seg vertikalt og om det er
#en brikke forran, så om det er mulig å utføre 'En passant'
return xDiff == 0 and not(p2) or (
abs(xDiff)==1 and p2 or (i2 and isinstance(i2,pawn) and i2.movedTwice));
return ((-yDiff)/2) == (self.team*2-1) and not(self.hasMoved) and not p2;
else:
return False;'
return pos in self.validMoves;
'''
def valid(self):
return self.validMoves
class knight(piece):
char = ["N","n"];
#Definisjon på hvordan springeren kan bevege seg
spriteIndex = (3,6+3);
'''
def canMoveTo(self,pos):
p2 = self.board.getPieceAt(pos);
if((not p2) or (p2.team != self.team)):
return (abs(self.pos[0]-pos[0]) == 2 and
abs(self.pos[1]-pos[1]) == 1) or (
abs(self.pos[1]-pos[1]) == 2 and
abs(self.pos[0]-pos[0]) == 1);
'''
def update(self):
self.threat = [];
cPos = [(self.pos[0]+2,self.pos[1]+1),
(self.pos[0]+2,self.pos[1]-1),
(self.pos[0]-2,self.pos[1]+1),
(self.pos[0]-2,self.pos[1]-1),
(self.pos[0]+1,self.pos[1]+2),
(self.pos[0]+1,self.pos[1]-2),
(self.pos[0]-1,self.pos[1]+2),
(self.pos[0]-1,self.pos[1]-2)];
for i in cPos:
if(i[0] >= 0 and i[0] < 8 and i[1] < 8 and i[1] >= 0):
self.threat.append(i);
o = self.board.getPieceAt(i);
super(knight,self).update();
print(end="")
def valid(self):
return self.validMoves
class queen(rook,bishop):
char = ["Q","q"];
spriteIndex = (1,6+1);
#Definisjon på hvordan dronningen kan bevege seg
#gjør dette ved å la queen være en blanding av tårn og løper
'''
def canMoveTo(self,pos):
return super(rook,self).canMoveTo(pos) or (
super(bishop,self).canMoveTo(pos));
'''
def update(self):
rook.update(self);
a = self.threat;
b = self.validMoves;
c = self.semiThreat;
bishop.update(self);
self.threat += a;
self.validMoves += b;
self.semiThreat += c;
#print("threat ",self.threat," ","validmoves ",self.validMoves,"semithreat ",self.semiThreat)
def valid(self):
return self.validMoves
class chessboard:
board = [None]*(8*8);
currentTeam = 0;
background = pygame.image.load("chessbg.png");
winner = -1;
lastPiece = None;
#threatField brukes for å finne ut om
#brikker ved forkjellige felter er truet
def make(self,board,winner,team):
self.board=board
self.winner=winner
self.currentTeam=team
self.lastPiece=-1
def __init__(self):
#Setter alle feltene til None;
self.board = [None]*(8*8);
self.winner = -1;
self.lastPiece = None;
self.currentTeam = 0;
pass;
def testBoard(self):
#Setter brettet til et test brett
self.board[0:7] = [rook(self,(0,0),0),knight(self,(1,0),0),bishop(self,(2,0),0),queen(self,(3,0),0),
king(self,(4,0),0),bishop(self,(5,0),0),knight(self,(6,0),0),rook(self,(7,0),0)];
self.board[8:15] = [pawn(self,(i,1),0) for i in range(8)];
self.board[pos2index((1,3))] = pawn(self,(1,3),1);
self.board[pos2index((3,3))] = queen(self,(3,3),1);
pass;
def regularBoard(self):
#Setter brette opp for et klassisk spill
self.board[0:7] = [rook(self,(0,0),0),knight(self,(1,0),0),bishop(self,(2,0),0),queen(self,(3,0),0),
king(self,(4,0),0),bishop(self,(5,0),0),knight(self,(6,0),0),rook(self,(7,0),0)];
self.board[8:15] = [pawn(self,(i,1),0) for i in range(8)];
self.board[pos2index((0,7))-1:pos2index((7,7))-1] = [rook(self,(0,7),1),knight(self,(1,7),1),bishop(self,(2,7),1),queen(self,(3,7),1),
king(self,(4,7),1),bishop(self,(5,7),1),knight(self,(6,7),1),rook(self,(7,7),1)];
self.board[pos2index((0,6)):pos2index((7,6))] = [pawn(self,(i,6),1) for i in range(8)];
def castelingTestBoard(self):
self.board[0:7] = [rook(self,(0,0),0),None,None,None,
king(self,(4,0),0),None,None,rook(self,(7,0),0)];
self.board[pos2index((0,7)):pos2index((7,7))-1] = [rook(self,(0,7),1),None,None,None,
queen(self,(4,7),1),None,None,rook(self,(7,7),1)];
def updateAll(self):
for i in self.board:
if(i):
i.update();
def afterUpdate(self):
for i in self.board:
if(i):
i.afterUpdate();
def setBoard(self,board):
#Setter brettet til board
for i,v in enumerate(board):
#print("here ",i," ",v," ",board[i])
board[i] = v;
def move(self,pos1,pos2):
#Flytter brikke på posisjon 1 til posisjon 2
#print("in move")
if not(pos1 == pos2 and self.winner == -1):
#print("1 in move")
try:
b1 = self.board[pos2index(pos1)];
if(b1 and (b1.team == self.currentTeam or b1.team == -1)):
#print("2 in move")
if(b1.moveTo(pos2)[0]):
#print("2 in move")
if(self.lastPiece):
#print("3 in move")
self.lastPiece.hadLastMove = False;
self.lastPiece = b1;
b1.hadLastMove = True;
self.currentTeam = (self.currentTeam + 1)%2;
self.updateAll();
self.updateAll();
self.afterUpdate();
#print("here in mve ",pos1," ",pos2)
if(self.winner != -1):
#print("4 in move")
#print("Here winner")
print("Game over!");
if(self.winner < 2):
#print("5 in move")
print("The winner is {}".format(("white","black")[self.winner]));
else:
#print("6 in move")
print("The game was a draw");
#print("return true")
return True;
else:
#print("7 in move")
return False;
except IndexError:
print("8 in move")
return False;
'''def setPieceAt(self,pos,piece):
#Setter feltverdien til en brikker
#print("Piece at pos1 ",self.board[pos2index(pos)])
if piece!=None:
print("SETPIECE ",pos," ",piece)
self.board[pos2index(pos)] = piece;'''
def moveDup(self,item,pos1,pos2,player):
global lost
p2 = item.board.getPieceAt(pos2);
#if p2!=None:
#print("P2 ",p2)
if p2==None or (p2.team==0 and player%2==1):
#print("First ",p2," ",player)
item.board.setPieceAt(pos2,item);
item.board.setPieceAt(item.pos,None);
item.pos = pos2;
if(p2):