Added thread safe packet handlers

client/network/shared/NetworkNode.gd

@@ -21,5 +21,9 @@ func handle_packet(packet: PackedByteArray):
 		push_warning("Unknown packet type %d" % type)
 		return
 
-	handler.handle_packet.call_deferred(packet.slice(1))
+	if handler.thread_safe:
+		handler.handle_packet(packet.slice(1))
+	else:
+		handler.handle_packet.call_deferred(packet.slice(1))
+
 	download += packet.size()

client/network/shared/PacketHandler.gd

@@ -16,5 +16,7 @@ enum Packet {
 
 @export var packet_type: Packet
 
+var thread_safe: bool
+
 func handle_packet(_data: PackedByteArray):
 	pass