Offsets shown are relative to the header or chunk. For example, the absolute offset of the length of the first chunk will be 8, because the header chunk has a length of 8 and the offset of the first chunk's length from the header chunk is 0.
Header
Offset
Length (bytes)
Value
Purpose
0
8
0x47554E32
Denotes the file as a GUN2 file
Chunks
Offset
Length (bytes)
Value
Purpose
0
8
Variable
The number of subchunks in the chunk.
8
Variable
Variable
Subchunks.
Subchunk
Offset
Length (bytes)
Value
Purpose
0
Variable
Variable
A string identifier of the subchunk. Value is determined as all the bytes from the indicated offset to the first newline character (ASCII decimal value 10).
Length of string identifier
8
Variable
The length of the data of the subchunk.
8 + Length of string identifier
Variable
Variable
The data of the subchunk.
Subchunk type
String identifier
Data
Class
Name of the Java class.
Bytes of the Java class file.
Resources
Name of the resource
Bytes of the resource file (format of file variable, i.e. .png, .ogg, .jpg, etc.)
