I made the tool that converts map_#.dat files to bitmaps
here is the sauce
https://pastebin.com/GKsweL2wcompile it
rename the executeable to map2bmp
make sure you make it runable
>chmod +x map2bmpuse gzip on any map_#.dat file to defalte it
>gzip --suffix=".dat" -d map_#.datuse the compiled code to convert the extracted .dat file to bitmap
>./map2bmp map_## means the map id