Metropolis Software PAK

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PAK

• Format Type : Archive
  
• Endian Order : Little Endian
  
• Signature : None
  

Format Specifications

// ARCHIVE HEADER

uint32 {4}   - Version (1)

uint32 {4}   - Number Of Files

// FILE DATA

// for each file

byte {X}     - File Data

uint32 {4}   - Unknown (26)

// DIRECTORY

// for each file

uint32 {4}   - File Offset

uint32 {4}   - File Size

// FILENAME DIRECTORY

// for each file

uint32 {4}   - Filename Length (including null)

char {X}     - Filename

byte {1}     - null Filename Terminator

// ARCHIVE FOOTER

uint32 {4}   - Crypted offset to start of the DIRECTORY

MultiEx BMS

Not written yet

Notes and Comments

Offset to DIRECTORY must be decrypt before use. Substruct from it:

• 0 - for demo
• 0x4857 - for retail/en
• 0x4858 - for retail/ru

It's easy to detect right value to substruct - first file offset in DIRECTORY always 8.

Other notes:

• This file format use GZIP compression.

Supported Programs

• Archangel Unpacker