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python
7 months ago
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import pygame
import socket
import pickle
import threading
from pygame.locals import (
    K_UP,
    K_DOWN,
    K_RIGHT,
    K_ESCAPE,
    KEYDOWN,
    QUIT,
    K_LEFT
)

class Rectangle:
    
    SCREEN_WIDTH = 600
    SCREEN_HEIGHT = 600
    id = 2
    def __init__(self, screen, color, x, y, width, height):
        self.screen = screen
        self.color = color
        self.x = x
        self.y = y
        self.width = width
        self.height = height
        self.velocity = 1
        
        
        
    def create_rect(self):
        pygame.draw.rect(self.screen, self.color, 
                         (self.x, self.y, self.width, self.height))
        
    def move(self):
        pressed_keys = pygame.key.get_pressed()
        if pressed_keys[K_UP]:
            self.y -= self.velocity
            self.y = max(self.y, 0)
        if pressed_keys[K_DOWN]:
            self.y += self.velocity
            self.y = min(self.y, self.SCREEN_HEIGHT - self.height)
        if pressed_keys[K_LEFT]:
            self.x -= self.velocity
            self.x = max(self.x, 0)
        if pressed_keys[K_RIGHT]:
            self.x += self.velocity
            self.x = min(self.x, self.SCREEN_WIDTH - self.width)
    
    def serialize(self):
        return {
            'id' : self.id,
            'color' : self.color,
            'x' : self.x,
            'y' : self.y,
            'width' : self.width,
            'height' : self.height,
        }
    def deserialize(self, data):
        self.id = data['id']
        self.color = data['color']
        self.x = data['x']
        self.y = data['y']
        self.width = data['width']
        self.height = data['height']



def recv_data(client, screen, player):
    while True:
        try:
            data = client.recv(2048)
            
            if data != None:
                print(data)
                n_r_data = pickle.loads(data)
                client_id = n_r_data['id']
                
                if client_id != player.id:
                    
                    #check if player is in list or not 
                    existing_player = next((p for p in other_players if p.id == client_id), None)
                    if existing_player:
                        existing_player.deserialize(n_r_data)
                        
                    else:
                        #create a new player
                        new_player = Rectangle(screen, n_r_data['color'],
                                               n_r_data['x'],n_r_data['y'], n_r_data['width'],
                                               n_r_data['height'], client_id) 
                                                    
                        other_players.append(new_player)
                               
        except ConnectionAbortedError as e:
            print(f"ConnectionAbortedError: {e}")
        except Exception as e:
            print(f"ERROR IN RECEIVING DATA FROM SERVER {e}")
            client.close()
        

def run(screen, client, player):        
    
    running = True
    
    
    clock = pygame.time.Clock()
    
    while running:
    
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                client.close()
                running = False
            elif event.type == KEYDOWN:
                if event.key == K_ESCAPE:
                    client.close()
                    running = False
        
        screen.fill((0, 0, 0))
        
        
        player.create_rect()
        player.move()
        
        try:
            client_data = pickle.dumps(player.serialize())
            client.send(client_data)
        except Exception as e:
            print(f"ERROR IN SENDING DATA TO SERVER {e}")
        
        
        for p in other_players:
            p.create_rect()
            p.move()

        pygame.display.flip()
        clock.tick(60)      


SERVER_IP = "127.0.0.1"
SERVER_PORT = 5050
pygame.init()
screen = pygame.display.set_mode([Rectangle.SCREEN_WIDTH, Rectangle.SCREEN_HEIGHT])
    
try:
    client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    client.connect((SERVER_IP, SERVER_PORT))
except Exception as e:
    print(f'ERROR IN CONNECTING TO SERVER {e}')
    client.close()
    pygame.quit()
    
player = Rectangle(screen, 'blue', 200, 200, 80, 80)  
other_players = []



recv_thread = threading.Thread(target=recv_data,args=(client, screen, player))
recv_thread.start()
run(screen, client, player)

client.close()
pygame.quit()