Wexos: Imported from avsys wiki

2024-05-01T17:58:01Z

Imported from avsys wiki

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'''PKZ''' ('''P'''ac'''K'''age '''Z'''Standard) is an archive file format used in [[Astral Chain]].

= File Format =
== Header ==
The file starts with the following header:

{| class="wikitable"
! Offset !! Type !! Description
|-
| 0x00 || Char[4] || '''File magic'''. Always ''pkz1'' in ASCII.
|-
| 0x04 || UInt32 || {{Unknown-left|'''Unknown''', only seen as 00 01 00 00. Might be a version number.}}
|-
| 0x08 || UInt32 || '''File size''' in bytes.
|-
| 0x0C || UInt32 || {{Unknown-left|'''Unknown'''.}}
|-
| 0x10 || UInt32 || '''Number of [[#File Entry|file entries]]'''.
|-
| 0x14 || UInt32 || '''[[#File Entry|File entry]] offset'''.
|-
| 0x18 || UInt32 || '''Size of [[#String Table|string table]]''' in bytes.
|-
| 0x1C || UInt32 || {{Unknown-left|'''Unknown'''.}}
|}

== File Entry ==
Files are compressed using ZStandard. Each file entry has the following structure:

{| class="wikitable"
! 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)

PKZ (File Format) - Revision history

Wexos: Imported from avsys wiki