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/*
Minetest-c55
Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*
(c) 2010 Perttu Ahola <celeron55@gmail.com>
*/
#ifndef SERIALIZATION_HEADER
#define SERIALIZATION_HEADER
#include "common_irrlicht.h"
#include "exceptions.h"
#include <iostream>
#include "utility.h"
/*
NOTE: The goal is to increment this so that saved maps will be
loadable by any version. Other compatibility is not
maintained.
Serialization format versions:
== Unsupported ==
0: original networked test with 1-byte nodes
1: update with 2-byte nodes
== Supported ==
2: lighting is transmitted in param
3: optional fetching of far blocks
4: block compression
5: sector objects NOTE: block compression was left accidentally out
6: failed attempt at switching block compression on again
7: block compression switched on again
8: (dev) server-initiated block transfers and all kinds of stuff
9: (dev) block objects
*/
// This represents an uninitialized or invalid format
#define SER_FMT_VER_INVALID 255
// Highest supported serialization version
#define SER_FMT_VER_HIGHEST 9
// Lowest supported serialization version
#define SER_FMT_VER_LOWEST 2
#define ser_ver_supported(v) (v >= SER_FMT_VER_LOWEST && v <= SER_FMT_VER_HIGHEST)
void compress(SharedBuffer<u8> data, std::ostream &os, u8 version);
void decompress(std::istream &is, std::ostream &os, u8 version);
/*class Serializable
{
public:
void serialize(std::ostream &os, u8 version) = 0;
void deSerialize(std::istream &istr);
};*/
#endif
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