Difference between revisions of "FF8/PlaystationMedia"
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Revision as of 01:04, 2 July 2012
Contents
FF8DISCX.IMG File Format
Almost all of the game files are hidden in the FF8DISCX.IMG (with X=disc number) file.
Root Files
In the case of a Japanese iso, the file begins directly with a list of file location and size, with the following format:
| Offset | Size | Data |
|---|---|---|
| 0 | 4 | Location of file in sectors (relative to the start of the iso) |
| 4 | 4 | Size of file in bytes |
In the case of a PAL iso, there are 5 unknown sectors before this list of files.
Notes:
- I do not have the American iso, please fix this article if you can.
- We do not know how many files there are in the list, neither file names!
- Each file in FF8DISCX.IMG are relative to the start of the iso!
Field Files
In the list of root files, the third file is in fact the "FIELD.BIN". This file is LZS compressed, and contains some informations, like the list of field files position and size.
Find the file list is approximate, I am trying to find some bytes: "\x04\x00\x05\x24\x18\x00\xbf\x8f\x14\x00\xb1\x8f\x10\x00\xb0\x8f\x20\x00\xbd\x27\x08\x00\xe0\x03\x00\x00\x00\x00" (size=28), normally, there is the list right after this sequence of bytes, and before the "\x00\x00\x01\x00\x02\x00\x03\x00" (size=8) sequence.
Order of files (sorted by id):
- D000.MCH -> D075.MCH files [id=0 -> id=76]
- Field files (MIM, MAP and LZK) [id=77 -> id=last]
There are three LZSed files for each field: EXAMPLE.MIM, EXAMPLE.MAP and EXAMPLE.LZK. If you want to convert Playstation fields to PC fields format, this is a concatenation of some PC files.
First file (*.MIM)
| Offset | Size | Data |
|---|---|---|
| 0 | 4 | Location of section 1 in PSX RAM |
| 4 | 4 | Location of section 2 in PSX RAM |
| 8 | 4 | [PVP] |
| 12 | 438272 | Background data [MIM] |
Second file (*.MAP)
| Offset | Size | Data | Section Data |
|---|---|---|---|
| 0 | 4 | Location of section 1 in PSX RAM | Triggers & gateways |
| 4 | 4 | Location of section 2 in PSX RAM | Camera |
| 8 | 4 | Location of section 3 in PSX RAM | Walkmesh |
| 12 | 4 | Location of section 4 in PSX RAM | Background infos |
| 16 | 4 | Location of section 5 in PSX RAM | Movie cam (?) |
| 20 | 4 | Location of section 6 in PSX RAM | [RAT] |
| 24 | 4 | Location of section 7 in PSX RAM | [MRT] |
| 28 | 4 | Location of section 8 in PSX RAM | Sounds/AKAOs |
| 32 | 4 | Location of section 9 in PSX RAM | Texts |
| 36 | 4 | Location of section 10 in PSX RAM | [PMD] |
| 40 | 4 | Location of section 11 in PSX RAM | Scripts |
| 44 | 4 | Size of file in PSX RAM | |
| 48 | varies | Triggers and gateways | |
| ... | ... | ... | ... |
Third file (*.LZK)
Almost like the chara.one file. The main difference is that the models data are compressed.
