Improved network handling

network/Ping.gd

@@ -0,0 +1,38 @@
+extends Node
+
+signal changed(ping: float)
+
+const HISTORY_SIZE = 8
+
+var count := 0
+var history: Array[float] = []
+
+func _init():
+	history.resize(HISTORY_SIZE)
+
+func _ready():
+	%Network.add_handler(%Network.Packet.PING, self)
+	var timer := Timer.new()
+	add_child(timer)
+	timer.wait_time = 1
+	timer.timeout.connect(_ping)
+	timer.start()
+
+func _ping():
+	var buffer := StreamPeerBuffer.new()
+	buffer.put_8(%Network.Packet.PING)
+	buffer.put_8(count)
+	%Network.udp.put_packet(buffer.data_array)
+
+	history[count] = Time.get_unix_time_from_system()
+	count += 1
+
+	if count >= HISTORY_SIZE:
+		count = 0
+
+func handle_packet(data: PackedByteArray):
+	print("Handled ping!", data)
+	var id := data.decode_u8(1)
+	var ping := Time.get_unix_time_from_system() - history[id]
+	changed.emit(ping)
+