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2048.py
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2048.py
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import random
def merge(mat,dir):
if dir=='s':
for i in range(2,-1,-1):
for j in range(4):
k=i
l=j
while mat[k][l]!=0 and k<3 and mat[k+1][l]==mat[k][l]:
mat[k+1][l]*=2
mat[k][l]=0
k+=1
return mat
elif dir=='w':
for i in range(1,4):
for j in range(4):
k=i
l=j
while mat[k][l]!=0 and k>0 and mat[k-1][l]==mat[k][l]:
mat[k-1][l]*=2
mat[k][l]=0
k-=1
return mat
if dir=='a':
for i in range(4):
for j in range(1,4):
k=i
l=j
while mat[k][l]!=0 and l>0 and mat[k][l-1]==mat[k][l]:
mat[k][l-1]*=2
mat[k][l]=0
l-=1
return mat
if dir=='d':
for i in range(4):
for j in range(2,-1,-1):
k=i
l=j
while mat[k][l]!=0 and l<3 and mat[k][l+1]==mat[k][l]:
mat[k][l+1]*=2
mat[k][l]=0
l+=1
return mat
def up(mat):
for i in range(1,4):
for j in range(4):
k=i
l=j
while mat[k][l]!=0 and k>0 and mat[k-1][l]==0:
mat[k-1][l]=mat[k][l]
mat[k][l]=0
k-=1
mat=merge(mat,'w')
return mat
def left(mat):
for i in range(4):
for j in range(1,4):
k=i
l=j
while mat[k][l]!=0 and l>0 and mat[k][l-1]==0:
mat[k][l-1]=mat[k][l]
mat[k][l]=0
l-=1
mat=merge(mat,'a')
return mat
def right(mat):
for i in range(4):
for j in range(2,-1,-1):
k=i
l=j
while mat[k][l]!=0 and l<3 and mat[k][l+1]==0:
mat[k][l+1]=mat[k][l]
mat[k][l]=0
l+=1
mat=merge(mat,'d')
return mat
def down(mat):
temp=mat
for i in range(2,-1,-1):
for j in range(4):
k=i
l=j
while mat[k][l]!=0 and k<3 and mat[k+1][l]==0:
mat[k+1][l]=mat[k][l]
mat[k][l]=0
k+=1
mat=merge(mat,'s')
return mat
def add_2(mat):
r,c=random.randint(0,3),random.randint(0,3)
while mat[r][c]!=0:
r,c=random.randint(0,3),random.randint(0,3)
mat[r][c]=2
def game_state(mat):
for i in mat:
for j in i:
if j ==2048:
return "WON"
for i in mat:
for j in i:
if j==0:
return "NOT OVER"
for i in range(3):
for j in range(3):
if mat[i][j]==mat[i+1][j] or mat[i][j]==mat[i][j+1]:
return "NOT OVER"
for i in range(3):
if mat[i][3]==mat[i+1][j]:
return "NOT OVER"
for j in range(3):
if mat[3][j]==mat[3][j+1]:
return "NOT OVER"
return "OVER"
def start():
mat=[]
for i in range(4):
mat.append([0]*4)
add_2(mat)
add_2(mat)
print("W for up")
print("A for left")
print("D for right")
print("S for down")
while True:
for i in mat:
print(i)
if game_state(mat)=="OVER":
print("You lose")
exit()
elif game_state(mat)=="WON":
print("Congratulations you win")
exit()
move=input("Move > ")
if move.upper()=="W":
mat= up(mat)
mat=up(mat)
add_2(mat)
elif move.upper()=="A":
left(mat)
left(mat)
add_2(mat)
elif move.upper()=="D":
right(mat)
right(mat)
add_2(mat)
elif move.upper()=="S":
down(mat)
down(mat)
add_2(mat)
else:
print("invalid input")
if __name__=="__main__":
start()