BFWD (Bullfrog WAD)

What is BFWD (WAD)?

The BFWD (Bullfrog WAD) file format contains compressed (or uncompressed) data for rides, textures, UI elements, and more. The data within these files is typically compressed using RefPack (see below). A variant of this file format, known as WAD (FKNL), is used in the PlayStation 2 version of Theme Park World, however is not compatible with DWFB.

File Format

File header

• 4 bytes: Magic number - "DWFB"
• 4 bytes: Version
• 64 bytes: Padding
• 4 bytes: File count
• 4 bytes: File list offset
• 4 bytes: File list length
• 4 bytes: Padding

For each file

• 4 bytes: Unknown
• 4 bytes: Filename offset
• 4 bytes: Filename length
• 4 bytes: Data offset
• 4 bytes: File length
• 4 bytes: Compression type - "4" for RefPack, "0" for uncompressed
• 4 bytes: Decompressed size
• 12 bytes: Padding