I never been making a mod but i wanna know how to make a mod ?
So please explain with what softwares it is done.Also i'd like to add a music tracks.
Have a nice day people
In very general terms you have to make a special game extension called NewGRF (have a look here https://wiki.openttd.org/NewGRF
There are two ways to accomplish this:
a) older way I am really not familiar with called NFO, it looks more like hacking a compiled programs to me,
b) NML (NewGRF Meta Language) that is more similar to the modern programming languages (https://www.tt-wiki.net/wiki/NMLTutorial
NML programs along with the graphics (and audio) can be compiled (with a special compiler nmlc) into a NewGRF file that can be then put into a special folder where OpenTTD can find it.
So you need a text editor to create and modify NML files and graphics editor to edit graphics files (etc) and the NML compiler (nmlc).
Sorry that my reply is filled with a lot of jargon that might be not familiar to you. Perhaps somebody else can explain it better.
I recommend to first try to make yourself more familiar with these concepts and try to understand some of the open source projects (http://dev.openttdcoop.org/projects
) by finding something smaller you could manage.
Do not hesitate to get back here to ask more questions.