The Nations CA

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CA

• Format Type : Archive
  
• Endian Order : Little Endian
  
• Signature : binary.archive00
  

Format Specifications

// header
24 bytes (char) - signature // "binary.archive00"
4 bytes (uint32) - index offset
4 bytes (uint32) - nulls
24 bytes (char) - copyright notice  // "(C)2001 JoWooD" or can be empty
8 bytes - unknown


// data
num_of_files *
{
   x bytes - file data
}


// index (64 bytes per entry)
num_of_files *
{
   16 bytes (char) - file name   // e.g. "menu.mp3"
   4 bytes (char) - file type  // e.g. "evaw" (wave)
   4 bytes (uint32) - file size
   4 bytes (uint32) - file offset
   20 bytes - nulls
   8 bytes - file hash??
   8 bytes - nulls
}

Notes and Comments

• Following entry types are supported:
  • ewav (wave) - music and sounds (WAV/MP3 files)
  • bats (stab) - string table
  • txet (text) - TXT/DB files
  • gami (imag) - image files (converted TGA files?)
  • htap (path)
  • mina (anim) - animations?
  • pamb (bmap)
  • enon (none) - None type / Other type (DLG/CS/FIF/RAW/DAT/DMAP files)
• extensions for pamb/htap entries are some object types like "woman", "stone", "rock9", "tree3", "guard" etc.
• This file format probably has support for some custom hash function which is currently unknown.
• gami entries (TGA files) seems to be encrypted or compressed with unknown algorithm.

Games

List of games using this file format:

• JoWood's The Nations / Alien Nations 2 (PC) (*.CA)

QuickBMS Script

• The_Nations_CA_script.bms

Compatible Programs

• The Nations Map Editor (can only create new CA map files)