windwakr

#Game Maker 4.X decompiler
#for python 2.7 :^)
#Only tested on ~20 files
#
#As far as I can tell, there are no tools out there that actually support GM4(even if they claim to).
#Unlike later versions, image data is stored unencrypted. So we need to partially parse the GMD.
import struct
import io
import os
import sys

windwakr

Models in the cache have an lzma wrapper
BIG ENDIAN
1 byte, header 0x03
1 int, compressed size?
1 int, decompressed size?
compressed data


The model data itself
LITTLE ENDIAN