It contains resource file assembler/disassembler, and maps compiler/decompiler. I can also provide file format sheets for maps/res/saves/parts of exe. Some of this is available on our site, but it`s too big deal to translate it all:(.
For you the most interesting thing will be resource assembler/disassembler. Resource file is a filesystem with lots of stuff. There are most of configs for M.A.X. stuff and graphics (1827 files). Try it! (units params in attribs file, clans in Clanatrb, ...).