Persist.dat
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Unlocking more levels
To unlock (all) of the levels, fill the range 0x08 to 0x28 with "FF". So far this has caused no problems, and allows you to add more levels to the game. Levels will not be visible unless there is a corrisponding LevelX_Final.dat in the Gamedata folder, and an ONLD that matches the level number in the level0_final.dat. Levels abouve 39 are not currently unlockable due to the 40 level savepoint limit in the persist.dat (probably reflecting an underlying engine restriction).
Header
| Hex | Translation | Meaning | ||||||||||
| 0F 00 00 00 | 15 | unknown; maybe 15 levels available; don't alter it or you'll lose all your settings | ||||||||||
| 0E 0B D0 D0 | unknown | unknown | ||||||||||
| 5C 7F 0C 00 | 819036 | the levels that are visible in the "load game" list; it's a bitset; the following bits are possible: Level unlock data for 0-31
| ||||||||||
| 00 00 00 00 | Level unlock data for 31-63 | |||||||||||
| 00 00 00 00 | Level unlock data for 63-95 | |||||||||||
| 00 00 00 00 | Level unlock data for 95-127 | |||||||||||
| 00 00 00 00 | Level unlock data for 127-159 | |||||||||||
| 00 00 00 00 | Level unlock data for 159-191 | |||||||||||
| 00 00 00 00 | Level unlock data for 191-224 | |||||||||||
| 00 00 00 00 | Level unlock data for 191-255 | |||||||||||
| 01 00 00 00 | 1 | killed griffin (0 = no, 1 = yes) | ||||||||||
| FE 1B 00 00 | 7166 | unknown, but it's a bitset | ||||||||||
| 1F 00 00 00 | 31 | unknown | ||||||||||
| 13 00 00 00 | 19 | unknown | ||||||||||
| 01 00 00 00 | 1 | unknown | ||||||||||
| 04 00 00 00 | 4 | level of detail; the following options are possible (values in dec): 0 - extra low 1 - low 2 - medium 3 - high 4 - extra high | ||||||||||
| 00 00 80 3F | 1.000000 | music volume (0.0 = min, 1.0 = max) | ||||||||||
| 06 00 00 00 | 6 | subtitles / invert mouse / cheats as a bitset; the following bits are possible (values in dec): 1 - show subtitles 2 - invert mouse 4 - enable cheats | ||||||||||
| 02 00 00 00 | 2 | difficulty; the following options are possible: 0 - easy 1 - medium 2 - hard | ||||||||||
| 20 03 | 800 | resolution: width | ||||||||||
| 02 58 | 600 | resolution: height | ||||||||||
| 20 00 00 00 | 32 | color depth | ||||||||||
| 00 00 00 3F | 0.500000 | brightness (0.0 = min, 1.0 = max | ||||||||||
| 03 00 00 00 | 3 | last saved level | ||||||||||
| 02 00 00 00 | 2 | last saved savepoint |