Irrlicht Engine

I'm sorry for my bad English. I'll try to correct my question.

Well, I like using YOURS Irrlicht, but this engine do not support the the Russian language.

If somebody knows how to change the symbols of BuildInFontData in BuildInFont.h.

Please, let me know.
I'll be very thankful for your help.

Please help!
I very much like YOURS Irrlicht , but I from Russia, and Russian do not support the engine. I (BMP) have made a picture with Russian - normally, and BuiltInFontData a matrix! I would like to place the Russian alphabet there.
Please let me to get from you decoding with comments of ...