Oni (folder)/GameDataFolder

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GameDataFolder (commonly called "GDF") is a subfolder of the main Oni folder. It holds the following:

  • Oni's game data, in binary format (see OBD for more info)
  • the level logic, in plain-text (in the IGMD subfolder; see BSL for more info)
  • the intro and outro animated sequences, in the Bink video format

Overview

You should have all the files in bold in your GameDataFolder, but the movie files are optional. The "PS2" column shows the numbers assigned to each file name on disc; the .raw and .sep file for each level are in subdirectories titled 20/ and 21/. Beside each set of level files, we list the subfolders of IGMD which hold the corresponding level logic. SPOILER WARNING: The "Chapter" column links to summaries and analyses of Oni's storyline.

File name Level logic folder Chapter Location (as in Load Game dialog)
Windows Mac PS2
IGMD/
1
--
Contains all level logic
intro.bik
2
--
Movie plays when Oni is launched (see note below)
level0_Final.dat
level0_Final.raw
level0_Final.dat
level0_Final.raw
level0_Final.sep
3
20/1
21/1
IGMD/global Used in all Chapters (see notes below on "level0_Final" and "IGMD/global")
level1_Final.dat
level1_Final.raw
level1_Final.dat
level1_Final.raw
level1_Final.sep
11
20/9
21/9
IGMD/EnvWarehouse 0: COMBAT TRAINING
1: TRIAL RUN
TCTF Training
Syndicate Warehouse
level2_Final.dat
level2_Final.raw
level2_Final.dat
level2_Final.raw
level2_Final.sep
12
20/10
21/10
IGMD/manplant 2: ENGINES OF EVIL Manufacturing Plant
level3_Final.dat
level3_Final.raw
level3_Final.dat
level3_Final.raw
level3_Final.sep
13
20/11
21/11
IGMD/lab 3: PUZZLE PIECES Bio-Research Lab
level4_Final.dat
level4_Final.raw
level4_Final.dat
level4_Final.raw
level4_Final.sep
14
20/12
21/12
IGMD/Airport 4: TIGER BY THE TAIL Airport Assault
level6_Final.dat
level6_Final.raw
level6_Final.dat
level6_Final.raw
level6_Final.sep
15
20/13
21/13
IGMD/Airport_III 5: HOT PURSUIT Airport Cargo Hangars
level8_Final.dat
level8_Final.raw
level8_Final.dat
level8_Final.raw
level8_Final.sep
16
20/14
21/14
IGMD/tctf 6: COUNTERATTACK TCTF Regional HQ
level9_Final.dat
level9_Final.raw
level9_Final.dat
level9_Final.raw
level9_Final.sep
17
20/15
21/15
IGMD/power 7: A FRIEND IN NEED Atmospheric Conversion Center (exterior)
level10_Final.dat
level10_Final.raw
level10_Final.dat
level10_Final.raw
level10_Final.sep
4
20/2
21/2
IGMD/power_II 8: AN INNOCENT LIFE Atmospheric Conversion Center (interior)
level11_Final.dat
level11_Final.raw
level11_Final.dat
level11_Final.raw
level11_Final.sep
5
20/3
21/3
IGMD/state 9: TRUTH AND CONSEQUENCES Regional State Building
level12_Final.dat
level12_Final.raw
level12_Final.dat
level12_Final.raw
level12_Final.sep
6
20/4
21/4
IGMD/roof 10: CAT AND MOUSE Rooftops
level13_Final.dat
level13_Final.raw
level13_Final.dat
level13_Final.raw
level13_Final.sep
7
20/5
21/5
IGMD/dream_lab 11: DREAM DIVER Doctor Hasegawa's Lab
level14_Final.dat
level14_Final.raw
level14_Final.dat
level14_Final.raw
level14_Final.sep
8
20/6
21/6
IGMD/neuro 12: SINS OF THE FATHER TCTF Science Prison
level18_Final.dat
level18_Final.raw
level18_Final.dat
level18_Final.raw
level18_Final.sep
9
20/7
21/7
IGMD/tctf_ii 13: PHOENIX RISING TCTF Regional HQ (redux)
level19_Final.dat
level19_Final.raw
level19_Final.dat
level19_Final.raw
level19_Final.sep
10
20/8
21/8
IGMD/compound 14: DAWN OF THE CHRYSALIS Syndicate Mountain Compound
outro.bik
18
--
Movie plays when Oni is beaten (see note below)

Notes

level0_Final

The level 0 data is only loaded once, when Oni starts.

IGMD/global

IGMD/global/ is not present by default, but if it is created, the functions in any scripts placed inside it will be accessible from all levels; however, the Windows demo engine ignores the global/ folder.

intro.bik, outro.bik

The movie files are not needed for Oni to run. You can thus rename or move intro.bik out of GameDataFolder so Oni starts faster. Note that if you remove outro.bik, Oni will quit immediately after beating the game because it would normally play the outro and then quit.

Epic Games Tools, the makers of the Bink video format, offer standalone apps for all platforms if you want to watch the .bik files on their own. However ffmpeg also understands the Bink format, meaning that you can use VLC or another ffmpeg-based client to watch the movies.

How Oni finds its GameDataFolder

In Windows, Oni's engine first looks in the working directory (aka "."). If ".\GameDataFolder" is missing, Oni tries parent folders all the way up to the root (e.g., it looks for "C:\Program Files\Oni\GameDataFolder", then "C:\Program Files\GameDataFolder", then "C:\GameDataFolder"). As a last resort, it looks for ".\OniEngine\GameDataFolder" the same way.

The Mac Oni app follows the same search pattern for GameDataFolder/, but does not look for OniEngine/GameDataFolder/.