adding missing file

client/scripts/PackedFlow.gd

@@ -0,0 +1,31 @@
+class_name PackedFlow
+
+var data:PackedByteArray = PackedByteArray()
+
+var offset:int = 0
+
+func _init(dataSrc:ENetPacketPeer) -> void:
+	if dataSrc != null:
+		self.data = dataSrc.get_packet()
+	else:
+		self.data.clear()
+	self.offset = 0
+
+func get_u8() -> int:
+	var ret:int
+	#print(self.data.size(), " - " , self.offset)
+	ret = self.data[self.offset]
+	self.offset += 1
+	return ret
+
+func get_u64() -> int:
+	var ret:int
+	ret = data.decode_u64(self.offset)
+	self.offset += 8
+	return ret
+
+func get_f64() -> float:
+	var ret:float
+	ret = data.decode_double(self.offset)
+	self.offset += 8
+	return ret