def handle_arrival_msg(self):
# TODO: impl protocol to handle arrived packet from network layer.
# call self.msg_handler() to deliver to application layer.
msg = self.network_layer.recv()
if util.valid_ack(msg):
sequence = util.get_sequence(msg)
self.logger.info("Sender received ack%d", sequence)
with self.sender_lock:
self.sender_ack_base = sequence
if util.valid_data(msg):
sequence = util.get_sequence(msg)
if sequence == GoBackN.receiver_expect_sequence:
self.logger.info("Receiver received expected packet pkt%d",
sequence)
packet = util.make_ack_packet(config.MSG_TYPE_ACK, sequence)
self.network_layer.send(packet)
self.logger.info("Receiver send back ack%d", sequence)
payload = util.get_payload(msg)
self.msg_handler(payload)
with GoBackN.gbn_lock:
GoBackN.receiver_expect_sequence = (
GoBackN.receiver_expect_sequence + 1) % util.HASH_SIZE
else:
self.logger.info("Receiver received unexpected packet pkt%d",
sequence)
if GoBackN.receiver_expect_sequence > 0:
packet = util.make_ack_packet(
config.MSG_TYPE_ACK,
GoBackN.receiver_expect_sequence - 1)
self.network_layer.send(packet)
self.logger.info("Recevier send back ack%d",
GoBackN.receiver_expect_sequence - 1)
def handle_arrival_msg(self):
msg = self.network_layer.recv()
# TODO: impl protocol to handle arrived packet from network layer.
# call self.msg_handler() to deliver to application layer.
if util.valid_ack(msg):
with StopAndWait.ss_lock:
StopAndWait.sender_ack_sequence = util.get_sequence(msg)
if util.valid_data(msg):
sequence = util.get_sequence(msg)
packet = util.make_ack_packet(config.MSG_TYPE_ACK, sequence)
self.network_layer.send(packet)
if StopAndWait.receiver_sequence != sequence:
self.logger.info('Receiver received new packet: pkt%d',
sequence)
with StopAndWait.ss_lock:
StopAndWait.receiver_sequence = sequence
payload = util.get_payload(msg)
self.msg_handler(payload)
else:
self.logger.info(
'Receiver received duplicate packet: pkt%d, ignored',
sequence)
def get_sequence_safe(self, id):
if 'astral206' in self.config['ground_truth'] and self.config['ground_truth']['astral206'] and len(id) != 7:
sequence = str(self.original_sequences[id[:7]].seq).upper()
else:
sequence = util.get_sequence(self.config, id)
return sequence
def new_animation(basename, ext, num, freq, sequence, num_digits=1, offset=0):
frame_names = util.name_sequence(basename, ext, num, num_digits, offset)
frames = util.get_sequence(frame_names, sequence)
return Animation(frames, freq)
def __init__(self, size, scale):
pygame.init()
self.scale = scale
self.size = size
if scale:
self.window = pygame.display.set_mode((size[0]*2, size[1]*2))
else:
self.window = pygame.display.set_mode(size)
self.screen = pygame.Surface(size)
self.screen.set_colorkey((0,0,0))
self.actual_screen = pygame.display.get_surface()
self.camera = camera.Camera(util.vec2(30,25),size)
pygame.mouse.set_visible(0)
self.clock = pygame.time.Clock()
self.is_running = True
self.restart_level_counter = -1
self.current_stage_id = stage.STAGE_INTRO
self.remove_player = False
# physics
#init_physics()
# music:
self.bg_music = util.load_sound("data/channel_panic!-theme.ogg")
#self.bg_music.play(-1)
#self.bg_music_playing = True
self.bg_music_playing = False
# billboards
self.billboards = []
self.billboards.append(billboard.Billboard("data/background_stars.png",util.vec2(0,0),10,True))
self.billboards.append(billboard.Billboard("data/background_city.png",util.vec2(0,210),40,True,False,False))
self.billboards.append(billboard.Billboard("data/background_city2.png",util.vec2(0,190),30,True,False,True))
#timer
self.map_timer = billboard.GuiTimerBar(util.vec2(240,0),15)
# misc
names = util.name_sequence("data/entity_door","png",4)
# lol hack
frames = util.get_sequence(names,[0,1,2,3,4,4,4,4,4,4,4,4,4,4])
self.door_anim = animation.Animation(frames,8)
self.animate_door = False
self.fade_in_out = False
self.fade_in_out_time = 0
self.playing_intro = True
# key gui thingy
self.gui_key = billboard.GuiKeys(util.vec2(0,0),16)
# game settings
#self.player = player.Player(util.vec2(100,20), self.space)
#print(self.player.object_type)
#self.camera = camera.Camera(util.vec2(30,25),size)
#self.current_stage = None
# set color key to black
#self.screen.set_colorkey(pygame.Color(0,0,0))
pygame.key.set_repeat(1, 20)
