Game

demo.py

@@ -7,7 +7,7 @@ port = int(sys.argv[2])
 if sys.argv[1] == "s":
 	sock.listen(("0.0.0.0", port))
 	while True:
-		for d, a in sock.poll():
+		for d, a in sock.get():
 			print(d, a)
 		time.sleep(0.1)
 elif sys.argv[1] == "c":

game.py

@@ -0,0 +1,66 @@
+import network, sys, json, pygame
+
+pygame.init()
+
+address = ("0.0.0.0", 33033)
+w, h = 640, 480
+size = [w, h]
+black = [0, 0, 0]
+
+class Player:
+	def __init__(self, address, pos, color):
+		self.address = address
+		self.pos = pos
+		self.color = color
+
+screen = pygame.display.set_mode(size)
+clock = pygame.time.Clock()
+
+sock = network.Sock()
+sock.listen(address)
+
+me = Player(address, [10, 10], [255, 0, 0])
+players = {}
+
+def send_all(msg):
+	msg = json.dumps(msg)
+	for pid in players:
+		sock.send(msg, players[pid].address)
+
+sock.send(json.dumps({"type":"join","pos":me.pos,"color":me.color}), ("192.168.0.255", 33033))
+
+while True:
+	for event in pygame.event.get():
+		if event.type == pygame.QUIT:
+			sys.exit()
+		if event.type == pygame.KEYDOWN:
+			if event.key == pygame.K_right:
+				me.pos[0] += 1
+				send_all({"type":"move", "x":me.pos[0], "y":me.pos[1]})
+			elif event.key == pygame.K_left:
+				me.pos[0] -= 1
+				send_all({"type":"move", "x":me.pos[0], "y":me.pos[1]})
+			elif event.key == pygame.K_bottom:
+				me.pos[1] += 1
+				send_all({"type":"move", "x":me.pos[0], "y":me.pos[1]})
+			elif event.key == pygame.K_top:
+				me.pos[1] -= 1
+				send_all({"type":"move", "x":me.pos[0], "y":me.pos[1]})
+	for (r, c) in sock.get():
+		r = json.loads(r.decode())
+		if r["type"] == "join":
+			players[c] = Player(c, r["pos"], r["color"])
+		elif r["type"] == "move":
+			players[c].pos[0] += r["x"]
+			players[c].pos[1] += r["y"]
+	
+	screen.fill(black)
+	
+	pygame.draw.rect(screen, me.color, (*me.pos, 16, 16))
+	
+	for pid in players:
+		player = players[pid]
+		pygame.draw.rect(screen, player.color, (*player.pos, 16, 16))
+	
+	pygame.display.flip()
+	clock.tick(30)

network.py

@@ -4,6 +4,8 @@ from threading import Thread, Lock
 class Sock:
 	def __init__(self):
 		self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+		self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+		self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
 		self.queue = []
 		self.queue_lock = Lock()
 		self.sock_thread = None
@@ -17,7 +19,7 @@ class Sock:
 		self.sock_thread = SockThread(self, address, length)
 		self.sock_thread.start()
 	
-	def poll(self):
+	def get(self):
 		if len(self.queue) == 0:
 			return []
 		with self.queue_lock: