X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fserialization.h;h=80a33610123f1d7a80946c645349aaff2470e45e;hb=7b290660ead5e9cfc7ee2762217212ff995a6c85;hp=a2eca235772a636bc7ace67965fb31bb7e189db7;hpb=7068bc90af1f452359a1fcfe20fa01fc88f3d70a;p=dragonfireclient.git diff --git a/src/serialization.h b/src/serialization.h index a2eca2357..80a336101 100644 --- a/src/serialization.h +++ b/src/serialization.h @@ -26,44 +26,56 @@ with this program; if not, write to the Free Software Foundation, Inc., #include "utility.h" /* + Map format serialization version + -------------------------------- + + For map data (blocks, nodes, sectors). + 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 - 10: (dev) water pressure - 11: (dev) zlib'd blocks, block flags - 12: (dev) UnlimitedHeightmap now uses interpolated areas + 8: server-initiated block transfers and all kinds of stuff + 9: block objects + 10: water pressure + 11: zlib'd blocks, block flags + 12: UnlimitedHeightmap now uses interpolated areas + 13: Mapgen v2 + 14: NodeMetadata + 15: StaticObjects + 16: larger maximum size of node metadata, and compression + 17: MapBlocks contain timestamp + 18: sqlite/new generator/whatever */ // This represents an uninitialized or invalid format #define SER_FMT_VER_INVALID 255 // Highest supported serialization version -#define SER_FMT_VER_HIGHEST 12 +#define SER_FMT_VER_HIGHEST 18 // Lowest supported serialization version -#define SER_FMT_VER_LOWEST 2 +#define SER_FMT_VER_LOWEST 0 #define ser_ver_supported(v) (v >= SER_FMT_VER_LOWEST && v <= SER_FMT_VER_HIGHEST) +/* + Misc. serialization functions +*/ + +void compressZlib(SharedBuffer data, std::ostream &os); +void compressZlib(const std::string &data, std::ostream &os); +void decompressZlib(std::istream &is, std::ostream &os); + +// These choose between zlib and a self-made one according to version void compress(SharedBuffer data, std::ostream &os, u8 version); +//void compress(const std::string &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