@Slammer
Thanks, I think I might just be missing something. I implemented your map_cache.dat file on my server.
Put the .gat, .rsw, and .gnd files in data folder both local and grf.
Put the corresponding texture files as well.
Somehow, I was only able to change the mini-map to the old one by renaming the texture/bmp file morroc_mem.bmp to morroc.bmp
Tried doing the same for the .gat, .rsw, and .gnd as well but no dice.