added player connection

project/scripts/autoload/udp_client.gd

@@ -1,14 +1,15 @@
 extends Node
 
+signal player_move(session_id: String, position_mod: Vector2)
+signal player_join(player_client: Dictionary, clients: Array)
+signal player_disconnect(session_id: String)
+
 var udp_peer: PacketPeerUDP = PacketPeerUDP.new()
-var server_ip: String = "45.93.249.177" # Replace with your server's IP
+var server_ip: String = "127.0.0.1" # Replace with your server's IP
 var server_port: int = 4477 # Replace with your server's port
 
 func _ready():
-	var err = udp_peer.bind(server_port, "*")
-	if err != OK:
-		print("Failed to bind to port: ", server_port)
-		return
+	udp_peer.bind(server_port, "*")
 	print("Listening on port: ", server_port)
 	# Send a message to the server to initiate session ID assignment
 	var payload: Dictionary = {
@@ -19,8 +20,16 @@ func _ready():
 func _process(_delta):
 	if udp_peer.get_available_packet_count() > 0:
 		var packet = udp_peer.get_packet()
-		var message: String = packet.get_string_from_utf8()
-		print("Received: ", message)
+		var packet_json: Dictionary = JSON.parse_string(packet.get_string_from_utf8())
+		match packet_json.type:
+			"init_success":
+				player_join.emit(packet_json.player_client, Array(packet_json.clients))
+			"message":
+				print(packet_json.msg)
+			"move":
+				player_move.emit(packet_json.session_id, Vector2(packet_json.direction.x,packet_json.direction.y))
+			"disconnect":
+				player_disconnect.emit(packet_json.session_id)
 
 func send_message(message: String) -> void:
 	var payload: Dictionary = {
@@ -34,12 +43,18 @@ func send_payload(payload: Dictionary):
 	udp_peer.set_dest_address(server_ip, server_port)
 	udp_peer.put_packet(packet)
 
-func move(vec: Vector2i):
+func move(position_mod: Vector2):
 	var payload: Dictionary = {
 		"type": "move",
 		"direction": {
-			"x": vec.x,
-			"y": vec.y
+			"x": position_mod.x,
+			"y": position_mod.y
 		}
 	}
 	send_payload(payload)
+
+func _exit_tree():
+	var payload: Dictionary = {
+		"type": "disconnect"
+	}
+	send_payload(payload)