added old code, fixed it (mostly), merged some new code to the old code, made it mostly runnable

Client/Classes/System/Network/EventHandler.py

@@ -0,0 +1,40 @@
+import socket
+
+import pygame
+
+from Classes.Game.Events.PlaceCard import CardPlaced
+from Classes.System.Components.InputHandler import InputHandler
+from Classes.Game.World import World
+from Classes.Game.Events.GameStart import GameStart
+from Classes.Game.Player import Player
+from Classes.Game.Events.Login import LoginResponse
+
+class TCPEventHandler:
+    def __init__(self, socket:socket):
+        self.tcp_socket = socket
+
+    def handleEvents(self, message, inputHandler:InputHandler, world:World):
+        print(message)
+        if message["event"] == "loginresponse":
+            LoginResponse(message, world)
+            pass
+        elif message["event"] == "startgame":
+            world.player.setMana(message["player"]["mana"])
+            world.player.setHp(message["player"]["hp"])
+            GameStart(world, message["player"]["hand"], inputHandler, world.getPlayer(), Player(message["enemy"]["hp"],message["enemy"]["mana"],message["enemy"]["name"], message["enemy"]["id"]))
+            pass
+        elif message["event"] == "placecard":
+            CardPlaced(world, message["card"], message["type"], message["owner"], pygame.Vector2(int(message["x"]), int(message["y"]), inputHandler))
+            pass    
+        elif message["event"] == "MoveCard":
+            pass
+        elif message["event"] == "RemoveCard":
+            pass
+        elif message["event"] == "AttackCard":
+            pass
+        elif message["event"] == "AttackPlayer":
+            pass
+        elif message["event"] == "ActivateEffectCard":
+            pass
+        elif message["event"] == "ActivateMonsterCard":
+            pass

Client/Classes/System/Network/TCPClient.py

@@ -0,0 +1,46 @@
+import json
+import socket
+import threading
+
+from Classes.System.Network.EventHandler import TCPEventHandler
+from Classes.Game.World import World
+from Classes.System.Components.InputHandler import InputHandler
+
+class TCPClient:
+    def __init__(self, addr: str, port: str, world:World, inputHandler:InputHandler):
+        self.addr = addr
+        self.port = int(port)
+        self.tcpSocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        self.eventHandler = TCPEventHandler(self.tcpSocket)
+        self.world = world
+        self.inputHandler = inputHandler
+
+        try:
+            self.tcpSocket.connect((self.addr, self.port))
+        except Exception as e:
+            print(f"Error connecting TCP socket: {e}")
+
+        # Starten des Listener-Threads
+        self.listen()
+
+    def send(self, message: dict):
+        try:
+            self.tcpSocket.sendall(json.dumps(message).encode())
+        except Exception as e:
+            print(f"Error sending TCP data: {e}")
+
+    def receive(self):
+        while True:
+            try:
+                data = self.tcpSocket.recv(1024)
+                if data:
+                    decoded_data = json.loads(data.decode())
+                    self.eventHandler.handleEvents(decoded_data, self.inputHandler, self.world)
+            except Exception as e:
+                print(f"Error receiving TCP data: {e}")
+                break
+
+    def listen(self):
+        tcpThread = threading.Thread(target=self.receive)
+        tcpThread.daemon = True
+        tcpThread.start()