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import os
import json
import time
import copy
from random import randrange
STORAGE = "/usr/share/turtetris"
MAX_RECORDS = 100
def recorded_minimum():
"Returns tupple with minimal recorded scores and its respective file"
if not os.path.isdir(STORAGE):
return False
records = os.listdir(STORAGE)
if len(records) < MAX_RECORDS:
return False
smin = 0
min_file = None
for record in records:
with open(os.path.join(STORAGE, record)) as file:
score = int(file.readline())
if not min_file or smin > score:
smin = score
min_file = record
return (smin, min_file)
class Recorder:
"Game recorder"
def __init__(self, matrix):
self._matrix = matrix
self._init_state = matrix.copy_matrix()
self._prev_state = matrix.copy_matrix()
self._changes = list()
self._times = list()
self._start_time = time.time()
def tick(self):
"Store one tick"
change = self._matrix.matrix_diff(self._prev_state)
if change:
self._changes.append(change)
self._times.append(time.time() - self._start_time)
self._prev_state = self._matrix.copy_matrix()
def store(self, score):
"Store this recording to permanent storage"
rmin = recorded_minimum()
if rmin and rmin[0] > score:
return # Don't store this one
if not os.path.isdir(STORAGE):
os.makedirs(STORAGE)
data = {
"init": self._init_state,
"changes": self._changes,
"times": self._times
}
with open(os.path.join(STORAGE, str(int(time.time()))), 'w') as file:
file.write(str(score) + '\n')
file.write(json.dumps(data))
if rmin: # If we have some marked as minimal then remove it
os.remove(os.path.join(STORAGE, rmin[1]))
class Replayer:
"Game records loader and replayer"
def __init__(self, matrix):
self._matrix = matrix
self._changes = None
self._times = None
replayes = os.listdir(STORAGE)
if len(replayes) > 0:
reply = replayes[randrange(len(replayes))]
with open(os.path.join(STORAGE, reply)) as file:
file.readline()
data = json.loads(file.read())
self._changes = copy.deepcopy(data['changes'])
self._times = copy.deepcopy(data['times'])
self._matrix.set_matrix(data['init'])
self._matrix.display()
self._start_time = time.time()
self._index = 0
def tick(self):
"Run recorded tick"
if not self._changes:
return False
while self._index < len(self._times) and \
(time.time() -
self._start_time -
self._times[self._index]) >= 0:
self._matrix.matrix_apply_diff(self._changes[self._index])
self._matrix.display()
self._index += 1
return self._index < len(self._times) # edit when we have no more
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