Alpha
This site contains information about the alphafiles
WDT
In the Alpha the ADTs and the WDT were just one big file with this structure:
'MVER': See the new files
'MPHD': "
'MAIN': "
'MDNM': Filenames Doodads
'MONM': Filenames WMOS
'MCIN': 256 Entries, so a 16*16 Chunkmap
'MTEX': See the new files
'MDDF': "
'MODF': "
'MCNK': contains Heightmap(?),MCLY and MCRF
WMO
Againg one big file: This is, what now is stored in the Rootfile
'MVER'
'MOMO'
'MOHD'
'MOTX'
'MOMT'
'MOGN'
'MOGI'
'MOPT'
'MOPR'
'MOLT'
'MODS'
'MODN'
'MODD'
'MFOG'
'MCVP'
And this is what now is stored in the Groupfiles
'MOGP'
'MOPY'
'MOVT'
'MONR'
'MOTV'
'MOLV'
'MOIN'
'MOBA'
'MODR'
'MOBN'
'MOBR'
'MOCV'
'MOLM'
'MOLD'
repeatet n-times, where n is the number of what now is groupfiles.
MDX
The old Model-Format, it's a lightly modified WC3-Modelformat. ChunkedStructure(sort of) 'MDLXVERS' 0x514 'MODL' 'SEQS' 'GLBS' 'MTLS' 'TEXS' 'GEOS' 'VRTX' 'UVAS' 'PTYT' 'PCNT' 'PVTX' 'GNDX' 'MTGC' 'MATS' 'BIDX' 'BWGT' 'BONE' 'KGRT' 'WOQC' 'KGSC' 'PIVT' 'CAMS' 'EVTS' 'KEVT' 'NRMS'