def __init__(self, cfg_path=DEFAULT_CFG_PATH):
""":param cfg_path: the path to a config file that specifies all the
simulation settings
"""
self._cfg = GOLDriver.load_config(cfg_path)
self.__preinit()
self._generation_count = self._cfg.getint('Universe', 'GenerationCount')
val = self._cfg.getint('Universe', 'Size')
self._universe = Universe(val, val)
self._sim = Simulation(self._universe)
self._renderer = self.create_renderer()
class GOLDriver(object):
"""Main driver class that sets up a Game Of Life simulation"""
DEFAULT_CFG_PATH = "%s%sgolconfig.cfg" % (os.path.dirname(__file__), os.sep)
FRAME_DELAY = 0.0417 # for 24fps
def __init__(self, cfg_path=DEFAULT_CFG_PATH):
""":param cfg_path: the path to a config file that specifies all the
simulation settings
"""
self._cfg = GOLDriver.load_config(cfg_path)
self.__preinit()
self._generation_count = self._cfg.getint('Universe', 'GenerationCount')
val = self._cfg.getint('Universe', 'Size')
self._universe = Universe(val, val)
self._sim = Simulation(self._universe)
self._renderer = self.create_renderer()
def __preinit(self):
"""Initialization tasks which *must* be performed before anything else.
"""
if self._cfg.has_option('Universe', 'RandomSeed'):
random.seed(self._cfg.get('Universe', 'RandomSeed'))
@staticmethod
def load_config(cfg_path=DEFAULT_CFG_PATH):
"""Loads the config file at the specified path.
:param cfg_path: complete path to a config file containing all the
settings for the simulation
"""
cfg = configparser.RawConfigParser()
cfg.read_file(open(cfg_path)) # confirm file exists
cfg.read(cfg_path)
return cfg
def create_renderer(self):
"""Factory method which instantiates the correct renderer specified
by the config file.
"""
rtype = self._cfg.get('Rendering', 'Renderer')
if rtype == "console":
return ConsoleRenderer()
elif rtype == "blender":
return BlenderRenderer(self._universe)
else:
raise Exception("unsupported renderer '%r'" % rtype)
def sim_loop(self):
"""Runs the simulation."""
frame_delay = self._renderer.get_frame_delay()
for i in range(0, self._generation_count):
self._sim.advance()
print("\ngeneration %d - births: %d - deaths: %d" %
(i, self._sim.births, self._sim.deaths))
self._renderer.render(self._universe)
if frame_delay > 0.0:
time.sleep(frame_delay)
cnt = self._universe.get_transition_count()
print("total transitions: ", cnt)
def go(self):
"""Performs all setup and then runs the simulation"""
self._universe.randomize()
self._renderer.render(self._universe)
time.sleep(self._cfg.getint('Rendering', 'PauseAfterRandomize'))
self.sim_loop()
