PKZ (File Format)
From Wexos's Wiki
(Redirected from PKZ)
PKZ (PacKage ZStandard) is an archive file format used in Astral Chain.
File Format
Header
The file starts with the following header:
| Offset | Type | Description |
|---|---|---|
| 0x00 | Char[4] | File magic. Always pkz1 in ASCII. |
| 0x04 | UInt32 | Unknown, only seen as 00 01 00 00. Might be a version number. |
| 0x08 | UInt32 | File size in bytes. |
| 0x0C | UInt32 | Unknown. |
| 0x10 | UInt32 | Number of file entries. |
| 0x14 | UInt32 | File entry offset. |
| 0x18 | UInt32 | Size of string table in bytes. |
| 0x1C | UInt32 | Unknown. |
File Entry
Files are compressed using ZStandard. Each file entry has the following structure:
| Offset | Type | Description |
|---|---|---|
| 0x00 | Int64 | Name offset. |
| 0x08 | Int64 | Decompressed file size in bytes. |
| 0x10 | Int64 | File data offset. |
| 0x18 | Int64 | Compressed file size in bytes. |
String Table
The string table consists of null-terminated strings, which are all algined by 8. All string offsets are relative to the start of the string table.
Tools
The following tools can handle PKZ files:
- (none)
