def __init__(self, scenario):
self.scenario = scenario
self.start = self.scenario.start
self.end = self.scenario.end
self.time = self.start
World.get_player_starting_position = lambda world, client_id: self.get_client_prop(client_id, 'starting_position')
self.server = ServerDumb(scenario.model_step, scenario.allowed_lag_compensation_interval, scenario.snapshot_interval)
self.server.queue = []
self.server.send = self.server_send()
self.server.receive = self.server_receive()
self.server.get_time = self.server_time()
self.server.get_ping = lambda client_id: self.get_client_prop(client_id, 'ping')
self.server.setup()
self.clients = []
for i in range(scenario.clients_number):
client = ClientDumb(scenario.model_step)
client.id = i
client.queue = []
client.connect = self.client_connect(client.id)
client.send = self.client_send(client.id)
client.receive = self.client_receive(client.id)
client.get_time = self.client_time(client.id)
client.connection_time = None
self.clients.append(client)
class Simulation(object):
def __init__(self, scenario):
self.scenario = scenario
self.start = self.scenario.start
self.end = self.scenario.end
self.time = self.start
World.get_player_starting_position = lambda world, client_id: self.get_client_prop(client_id, 'starting_position')
self.server = ServerDumb(scenario.model_step, scenario.allowed_lag_compensation_interval, scenario.snapshot_interval)
self.server.queue = []
self.server.send = self.server_send()
self.server.receive = self.server_receive()
self.server.get_time = self.server_time()
self.server.get_ping = lambda client_id: self.get_client_prop(client_id, 'ping')
self.server.setup()
self.clients = []
for i in range(scenario.clients_number):
client = ClientDumb(scenario.model_step)
client.id = i
client.queue = []
client.connect = self.client_connect(client.id)
client.send = self.client_send(client.id)
client.receive = self.client_receive(client.id)
client.get_time = self.client_time(client.id)
client.connection_time = None
self.clients.append(client)
def run(self):
for time in range(self.start, self.end + 1):
self.time = time
yield self.model()
def model(self):
self.apply_events()
if (self.time - self.start) % self.get_server_prop('main_loop_period') == 0:
self.server.mainloop()
for client in self.clients:
if client.connection_time is None:
continue
if (self.time - client.connection_time) % self.get_client_prop(client.id, 'main_loop_period') == 0:
client.mainloop()
return {
'server': self.server.snapshot(),
'client': [client.snapshot() for client in self.clients],
'time': self.time
}
def apply_events(self):
events = [None] * len(self.clients)
if self.time in self.scenario.events:
events = self.scenario.events[self.time]
for client_id, event in enumerate(events):
if not event:
continue
if event == '^':
self.clients[client_id].connect()
continue
for key in event:
event_type = 'key_up'
if key.istitle():
event_type = 'key_down'
method = getattr(self.clients[client_id], event_type)
method(key.lower())
def server_time(self):
return lambda: self.get_server_prop('local_time_start') + self.time
def client_time(self, client_id):
def get_time():
return self.get_client_prop(client_id, 'local_time_start')
return get_time
def server_send(self):
def send(client_id, message):
return self.clients[client_id].queue.append({
'data': message,
'delivered': self.time + self.get_client_prop(client_id, 'ping')
})
return send
def server_receive(self):
def receive():
queue = filter(lambda x: x['delivered'] <= self.time, self.server.queue)
self.server.queue = filter(lambda x: x['delivered'] > self.time, self.server.queue)
return queue
return receive
def client_connect(self, client_id):
def connect():
self.clients[client_id].connection_time = self.time + self.get_client_prop(client_id, 'ping')
return self.server.queue.append({
'type': ServerDumb.MESSAGE_TYPE_CONNECT,
'client': client_id,
'delivered': self.clients[client_id].connection_time
})
return connect
def client_send(self, client_id):
def send(message):
return self.server.queue.append({
'type': ServerDumb.MESSAGE_TYPE_SEND,
'client': client_id,
'data': message,
'delivered': self.time + self.get_client_prop(client_id, 'ping')
})
return send
def client_receive(self, client_id):
def receive():
queue = filter(lambda x: x['delivered'] <= self.time, self.clients[client_id].queue)
self.clients[client_id].queue = filter(lambda x: x['delivered'] > self.time, self.clients[client_id].queue)
return queue
return receive
def get_client_prop(self, client_id, prop):
return self.scenario.props[prop]['client'][client_id]
def get_server_prop(self, prop):
return self.scenario.props[prop]['server']