def playThroughStdin(game: Game2048):
# 0 - left, 1 - up, 2 - right, 3 - down
directions = {'W': 1, 'S': 3, 'A': 0, 'D': 2}
game.reset()
moveCount = 0
try:
while True:
print(game.boardAsString())
inStr = input('Enter direction of swipe: ')
dir = directions[inStr.upper()]
score, ended, valid = game.swipe(dir)
if not valid:
print('Invalid move, try again...')
continue
moveCount += 1
if ended:
print(
f'Game Over. Score: {2**game.score} after {moveCount} turns.'
)
return
else:
print(f'Swipe #{moveCount} gave {score} points.')
except KeyboardInterrupt:
print('Game aborted.')
def _makeTurn(self, net: AgentNet, game: Game2048, eps: float):
state = game.board.copy()
if random.random() < eps:
valid = False
moves = [0, 1, 2, 3]
while not valid:
dir = moves[random.randrange(len(moves))]
reward, ended, valid = game.swipe(dir)
moves.remove(dir)
else:
action = net(net.prepareInputs(state)).squeeze(0)
valid = False
while not valid:
dir = torch.argmax(action).item()
reward, ended, valid = game.swipe(dir)
action[dir] = torch.min(action) - 0.1
return state, dir, reward, ended, game.board.copy()