Added Godot based server

network/server/Login.gd

@@ -0,0 +1,35 @@
+extends PacketHandler
+
+enum {
+	SUCCESS = 0,
+	FAIL = 1,
+}
+
+func _ready():
+	%Server.set_handler(Packet.LOGIN, self)
+
+func handle_packet(data: PackedByteArray, peer: PacketPeer):
+	var data_string = data.get_string_from_utf8()
+	var login_request = JSON.parse_string(data_string)
+
+	if login_request.size() < 2:
+		fail_login(peer)
+		return
+	
+	var username = login_request[0]
+	var password = login_request[1]
+
+	if username != "username" || password != "password":
+		fail_login(peer)
+		return
+	
+	var buffer := StreamPeerBuffer.new()
+	buffer.put_8(Packet.LOGIN)
+	buffer.put_8(SUCCESS)
+	peer.put_packet(buffer.data_array)
+
+func fail_login(peer: PacketPeer):
+	var buffer := StreamPeerBuffer.new()
+	buffer.put_8(Packet.LOGIN)
+	buffer.put_8(FAIL)
+	peer.put_packet(buffer.data_array)

network/server/Ping.gd

@@ -0,0 +1,20 @@
+extends PacketHandler
+
+func _ready():
+	%Server.set_handler(Packet.PING, self)
+
+func handle_packet(data: PackedByteArray, peer: PacketPeer):
+	# var response := PackedByteArray()
+	# response.resize(2)
+	# response.encode_u8(0, Packet.PING)
+	# response.encode_u8(1, data[0])
+	# peer.put_packet(response)
+
+	var buffer := StreamPeerBuffer.new()
+	buffer.put_8(Packet.PING)
+
+	if data.size() > 0:
+		buffer.put_8(data[0])
+	
+	peer.put_packet(buffer.data_array)
+

network/server/Server.gd

@@ -0,0 +1,29 @@
+extends NetworkNode
+
+@export var port := 4242
+@export var max_pending_connections := 4096
+
+var server := UDPServer.new()
+var last_statistics := Time.get_ticks_msec()
+var packet_count := 0
+
+func _init():
+	super._init()
+	server.set_max_pending_connections(max_pending_connections)
+	server.listen(port)
+
+func _process(_delta):
+	server.poll()
+
+	while server.is_connection_available():
+		var peer: PacketPeerUDP = server.take_connection()
+
+		while peer.get_available_packet_count() > 0:
+			var packet = peer.get_packet()
+			handle_packet(packet, peer)
+			packet_count += 1
+
+	if Time.get_ticks_msec() > last_statistics + 1000:
+		print("[Server] %d packets per second" % packet_count)
+		packet_count = 0
+		last_statistics = Time.get_ticks_msec()