jsb-netgame/game.py

import network, sys, json, pygame, random

pygame.init()

address = ["0.0.0.0", int(sys.argv[1])]
w, h = 640, 480
size = [w, h]
black = [0, 0, 0]

class Player:
	def __init__(self, pid, address, pos, color):
		self.pid = pid
		self.address = address
		self.pos = pos
		self.color = color
		self.speed = [0, 0]

screen = pygame.display.set_mode(size)
clock = pygame.time.Clock()

sock = network.Sock()
sock.listen(address)

me = Player(random.randint(0,65535), address, [10, 10], [255, 0, 0])
players = {me.pid: me}

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,"port":address[1],"pid":me.pid}), ["192.168.0.255", 33033])
sock.send(json.dumps({"type":"join","pos":me.pos,"color":me.color,"port":address[1],"pid":me.pid}), ["127.0.0.1", 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.speed[0] = 1
				send_all({"type":"move", "pid":me.pid, "speed":me.speed})
			elif event.key == pygame.K_LEFT:
				me.speed[0] = -1
				send_all({"type":"move", "pid":me.pid, "speed":me.speed})
			elif event.key == pygame.K_DOWN:
				me.speed[1] = 1
				send_all({"type":"move", "pid":me.pid, "speed":me.speed})
			elif event.key == pygame.K_UP:
				me.speed[1] = -1
				send_all({"type":"move", "pid":me.pid, "speed":me.speed})
		elif event.type == pygame.KEYUP:
			if event.key == pygame.K_RIGHT or event.key == pygame.K_LEFT or event.key == pygame.K_DOWN or event.key == pygame.K_UP:
				me.speed[0] = 0
				me.speed[1] = 0
				send_all({"type":"move", "pid":me.pid, "speed":me.speed})
	for (r, c) in sock.get():
		r = json.loads(r.decode())
		if r["pid"] == me.pid:
			continue
		if r["type"] == "join":
			pl = []
			for pid in players:
				player = players[pid]
				pl.append({"pid":pid, "pos":player.pos, "color":player.color, "address":player.address})
			sock.send(json.dumps({"type":"recap", "players":pl, "pid":me.pid}), [c[0], r["port"]])
			players[r["pid"]] = Player(r["pid"], [c[0], r["port"]], r["pos"], r["color"])
		elif r["type"] == "move":
			players[r["pid"]].speed = r["speed"]
		elif r["type"] == "recap":
			for player in r["players"]:
				if not player["pid"] in players:
					players[player["pid"]] = Player(player["pid"], player["address"], player["pos"], player["color"])
	
	screen.fill(black)
	
	pygame.draw.rect(screen, me.color, (*me.pos, 16, 16))
	
	for pid in players:
		player = players[pid]
		player.pos[0] += player.speed[0]
		player.pos[1] += player.speed[1]
		pygame.draw.rect(screen, player.color, (*player.pos, 16, 16))
	
	pygame.display.flip()
	clock.tick(30)