GFAC
GFAC files are archive files.
File Format
Header
| Offset | Size | Type | Description |
|---|---|---|---|
| 0x00 | 4 | char[4] | Magic Word 'GFAC' |
| 0x04 | 4 | uint32 | Version? |
| 0x08 | 4 | uint32 | Always 1 |
| 0x0C | 4 | uint32 | Absolut offset of file table |
| 0x10 | 4 | uint32 | Size of file table |
| 0x14 | 4 | uint32 | Absolut offset of file data |
| 0x18 | 4 | uint32 | Size of file data |
| 0x1C | 16 | Padding/Unknown |
File Table
| Offset | Size | Type | Description |
|---|---|---|---|
| 0x00 | 4 | uint32 | Entry count / Number of files |
| Entry | |||
| 4 | uint32 | CRC-32 ? | |
| 4 | uint32 | Absolut offset of file name; Last offset has MSB set to 1 | |
| 4 | uint32 | file size | |
| 4 | uint32 | file offset | |
The file offset refers to the raw file data. If a container like GFCP is used the data has to be decompressed and must replace the whole container.