Thanks for the help. I got it working by downloading a couple of .dll files and i was able to do /newmap 17
i should be right from now on. i will post something if i need help finding something such as floatspeed or gravity.
Thanks again for your help.

I wanted to compile the modified source code to increase the mapsize limit. i used code:blocks and an error message showed up. it says 'Sandbox' uses an invalid compiler. Probably the toolchain path within the compiler options is not setup correctly?! Skipping... Nothing to be done. my computer is i...