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Environment.py
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Environment.py
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#!/usr/bin/env python3
import pygame
import random
import time
import numpy as np
# TODO: Already Increased
pygame.init()
screen = pygame.display.set_mode((400,400))
pygame.display.set_caption('2048')
FPS = 30
FPSCLOCK = pygame.time.Clock()
class GameState:
def __init__(self):
random.seed(int(time.clock_gettime(time.CLOCK_REALTIME)))
self.tiles = {0:'Blank.jpg', 2:'2.jpg', 4:'4.jpg', 8:'8.jpg', 16:'16.jpg', 32:'32.jpg', 64:'64.jpg', 128:'128.jpg', 256:'256.jpg', 512:'512.jpg', 1024:'1024.jpg', 2048:'2048.jpg'}
self.free = []
self.grid = [0]*4
self.grid = [self.grid[::] for x in range(4)]
self.grid = np.array(self.grid)
self.makeFree()
self.spawn()
self.spawn()
def reset(self):
self.free = []
self.grid = [0]*4
self.grid = [self.grid[::] for x in range(4)]
self.grid = np.array(self.grid)
self.makeFree()
self.spawn()
self.spawn()
return self.grid.flatten()
def frame_step(self,input_actions):
pygame.event.pump()
reward = np.sum(self.grid.flatten())
if sum(input_actions) == 0:
self.printScreen() #Do Nothing
elif sum(input_actions) > 1:
raise ValueError("Multiple Actions")
elif input_actions[0]:
self.moveLeft()
elif input_actions[1]:
self.moveUp()
elif input_actions[2]:
self.moveRight()
elif input_actions[3]:
self.moveDown()
FPSCLOCK.tick(FPS)
done = True if len(self.free)==0 else False
#return self.grid.flatten(),self.grid.flatten().max()/(16-len(self.free)),done #state,reward,done
return self.grid.flatten(),np.sum(self.grid.flatten()),done #state,reward,done
def user_Play(self):
self.frame_step([0,0,0,0])
running = True
while running:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
running=False
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
pygame.quit()
running=False
if event.key == pygame.K_LEFT:
action = [1,0,0,0]
running = 1-self.frame_step(action)[2]
if event.key == pygame.K_RIGHT:
action = [0,0,1,0]
running = 1-self.frame_step(action)[2]
if event.key == pygame.K_UP:
action = [0,1,0,0]
runnning = 1-self.frame_step(action)[2]
if event.key == pygame.K_DOWN:
action = [0,0,0,1]
running = 1-self.frame_step(action)[2]
def makeFree(self):
for i in range(4):
for j in range(4):
if(self.grid[i][j]==0):
self.free.append((i,j))
def printScreen(self): #prints to display
screen.fill((0,0,0))
x,y = 4,4
for i in range(4):
x = 4
for j in range(4):
icon = pygame.image.load(str(self.tiles[self.grid[i][j]]))
icon = pygame.transform.scale(icon,(95,95))
screen.blit(icon,(x,y))
x += 99
y += 99
pygame.display.update()
def gridPrint(self): #prints to terminal
#os.system('clear')
print(self.grid[0])
print(self.grid[1])
print(self.grid[2])
print(self.grid[3])
print('\n')
def spawn(self):
x = 2 if random.randint(0,10)<=8 else 4
chosen = random.choice(self.free)
self.grid[chosen[0]][chosen[1]] = x
self.free.remove(chosen)
def moveLeft(self):
#print("------Moving LEFT------")
#self.gridPrint()
flag=0
for i in range(4):
#print("Left "+str(i))
#self.gridPrint()
for j in range(4):
#print("------"+str(j)+"-----"+str(self.grid[i][j]))
if(self.grid[i][j]==0):
continue
elif(j!=0):
x = j-1
while(x>=0 and self.grid[i][x]==0):
x-=1
if(x>=0 and self.grid[i][x]==self.grid[i][j]):
self.grid[i][x] = self.grid[i][j]*2
self.grid[i][j]=0
self.free.append((i,j))
flag=1
continue
elif(x!=j-1):
self.grid[i][x+1]=self.grid[i][j]
#self.gridPrint()
self.free.remove((i,x+1))
self.grid[i][j]=0
#self.gridPrint()
self.free.append((i,j))
flag=1
#print("".join(str(_) for _ in self.free if _[0]==i))
if flag:
self.spawn()
self.printScreen()
def moveRight(self):
#print("------Moving Right----")
#self.gridPrint()
flag=0
for i in range(4):
#print("Right "+str(i))
for j in range(3,-1,-1):
#print("------"+str(j)+"-----"+str(self.grid[i][j]))
if(self.grid[i][j]==0):
continue
elif(j!=3):
x = j+1
while(x<=3 and self.grid[i][x]==0):
x+=1
if(x<=3 and self.grid[i][x]==self.grid[i][j]):
self.grid[i][x] = self.grid[i][j]*2
self.grid[i][j]=0
self.free.append((i,j))
flag=1
elif(x!=j+1):
self.grid[i][x-1]=self.grid[i][j]
self.free.remove((i,x-1))
self.grid[i][j]=0
self.free.append((i,j))
flag=1
#print("".join(str(_) for _ in self.free if _[0]==i))
if flag:
self.spawn()
self.printScreen()
def moveUp(self):
#print("-------Moving up--------")
#self.gridPrint()
self.grid = [list(x) for x in zip(*self.grid)]
#print("TRANSPOSE-")
#self.gridPrint()
flag=0
for i in range(4):
#print("LEFT "+str(i))
#self.gridPrint()
for j in range(4):
#print("------"+str(j)+"-----"+str(self.grid[i][j]))
if(self.grid[i][j]==0):
continue
elif(j!=0):
x = j-1
while(x>=0 and self.grid[i][x]==0):
x-=1
if(x>=0 and self.grid[i][x]==self.grid[i][j]):
self.grid[i][x] = self.grid[i][j]*2
self.grid[i][j]=0
self.free.append((j,i))
flag=1
continue
elif(x!=j-1):
self.grid[i][x+1]=self.grid[i][j]
#self.gridPrint()
self.free.remove((x+1,i))
self.grid[i][j]=0
#self.gridPrint()
self.free.append((j,i))
flag=1
#print("".join(str(_) for _ in self.free if _[0]==i))
self.grid = [list(x) for x in zip(*self.grid)]
self.grid = np.array(self.grid)
if flag:
self.spawn()
self.printScreen()
def moveDown(self):
#print("---------GOING DOWNNN---------")
#self.gridPrint()
self.grid = [list(x) for x in zip(*self.grid)]
#print("TRANSPOSE-")
#self.gridPrint()
flag=0
for i in range(4):
#print("RIGHT "+str(i))
#self.gridPrint()
for j in range(3,-1,-1):
#print("------"+str(j)+"-----"+str(self.grid[i][j]))
if(self.grid[i][j]==0):
continue
elif(j!=3):
x = j+1
while(x<=3 and self.grid[i][x]==0):
x+=1
if(x<=3 and self.grid[i][x]==self.grid[i][j]):
self.grid[i][x] = self.grid[i][j]*2
self.grid[i][j]=0
self.free.append((j,i))
flag=1
elif(x!=j+1):
self.grid[i][x-1]=self.grid[i][j]
#self.gridPrint()
self.free.remove((x-1,i))
self.grid[i][j]=0
#self.gridPrint()
self.free.append((j,i))
flag=1
#print("".join(str(_) for _ in self.free if _[0]==i))
self.grid = [list(x) for x in zip(*self.grid)]
self.grid = np.array(self.grid)
if flag:
self.spawn()
self.printScreen()
if(__name__ == "__main__"):
g = GameState()
g.user_Play()