WAD3

Derived from Quake's WAD2 format. All data types uses little endian byte order.

After the format's header there are num_dirs directory entries that contains data about all the files within the WAD3 archive, as well as their position within the file.

File Structure

Header

SIGNATURE <string> (4 bytes)

 Default Value: "WAD3"

Constant WAD3 signature.

TreeSize <uint32> (4 bytes)

 

The number of files within the WAD3 package.

HeaderSize <uint32> (4 bytes)

 

Offset of the file tree relative to the beginning of the WAD3.

File Tree

Offset <uint32> (4 bytes)

 

Offset of the entry data relative to the beginning of the WAD3 file.

DiskSize <uint32> (4 bytes)

 

The entry's disk size in the archive.

Length <uint32> (4 bytes)

 

The length of the entry's data.

Type <byte> (1 byte)

 

The entry's file type.

• 0x42 QPic // Simple image of any size.
• 0x43 MipTex // World texture. dimensions that are multiple-of-16 and 4 mipmaps. This is the typical entry type.
• 0x46 QFont // Fixed-height variable-width font for a single-byte character set (e.g. ASCII)
• 0x40 SprayDecal // Same as miptex. Only found in entry LOGO (or {LOGO) in tempdecal.wad

Compressed <byte> (1 byte)

 

Whether the file was compressed.

 <null> (2 bytes)

 

Padding.

FileName <string> (32 bytes)

 

File name, with up to 16 characters. The unused trailing characters are null.

Files

File data is accessed by using Offset and Length.

Known File Formats

• QPic
• MipTex
• SprayDecal
• QFont