RNC Archive

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RNC

• Format Type : Archive
  
• Endian Order : Little Endian
  
• Signature : RNC
  

Format Specifications

// header
3 bytes (char) - signature // "RNC"
1 byte (uint8) - compression method  // 1 or 2
4 bytes (uint32) - uncompressed size
4 bytes (uint32) - compressed size
2 bytes (uint16) - uncompressed CRC
2 bytes (uint16) - compressed CRC
1 byte (uint8) - difference between compressed and uncompressed data in largest pack chunk
1 byte (uint8) - amount of pack chunks

// data
x bytes - compressed data

quickBMS Script

• rnc.bms

Notes and Comments

• This file format occurs in archives compressed with RNC compression.
• Many of games developed by Bullfrog Productions contain RNC archives.

Games

List of games using this file format:

• Dungeon Keeper
• Gene Wars
• Syndicate

Compatible Programs

• libsyndicate
• rnctools
• rnc_propack
• rnc_propack_source
• RNC_ProPack
• Dungeon Keeper Utilities (+ source code)

See Also

• RNC compression description