GFCP
GFCP is a container for compression.
File Format
Header
| Offset | Size | Type | Description |
|---|---|---|---|
| 0x00 | 4 | char[4] | Magic Word 'GFCP' |
| 0x04 | 4 | uint32 | Always 1 |
| 0x08 | 4 | uint32 | Compression type/algorithm which was used to compress the data |
| 0x0C | 4 | uint32 | Raw/Uncompressed data size |
| 0x10 | 4 | uint32 | Compressed data size |
The remaining data is the compressed data. It should have the same size as stated in the Compressed data size field of the header.
Algorithms
| ID | Algorithm |
|---|---|
| 1 | byte pair encoding |
| 2 | LZ77 |
| 3 | LZ77 Version 0x10 but without header |