One last thing to do in order to implement these new menus though, and that's what we need the "vpk" tool for. So now that everything is in place in that particular folder, open a new Explorer and find the "bin" folder that contains the vpk.exe - in my case it's C:\Program ...
If you wanted to reverse engineer materials in UDK, you will need to open the material editor. Flowing water is a very complex material. You can reverse engineer how water was set up. Open up the Content Browser and search for water. Filter only by materials. Find a ...