Savegame metadata

* Endianness: LITTLE
* Filename: 'worldinfo0'
* Remarks: GZipped

Ord  Hex  Description
00   54   T
01   45   E
02   4D   S
03   44   V

04        Name of the world in UTF-8 (arbitrary length)
...  00   String terminator

...       Terrain seed (8 bytes)
...       Randomiser seed (8 bytes)
...       Randomiser iterations (4 bytes)
...       Weather seed (8 bytes)
...       Weather iterations (4 bytes)

...       SHA-256 hash of worldinfo1 when not compressed (32 bytes)
...       SHA-256 hash of worldinfo2 when not compressed (32 bytes)
...       SHA-256 hash of worldinfo3 when not compressed (32 bytes)
...       SHA-256 hash of worldinfo4 when not compressed (32 bytes)

...       ReferenceID of the player (4 bytes, a fixed value of 91A7E2)
...       Current world's time_t (the ingame time, 8 bytes)

...       Creation time in time_t (6 bytes)
...       Last play time in time_t (6 bytes)
...       Total playtime in time_t (4 bytes)    // will record 136.1 years of playtime