Irrlicht Engine

Thanks. getHorizontalAngle() it is what i need to rotate. Now i think about how better to programm walking character.

I new to this engine, and to gamedev. I want try create game with "diablo"-like camera and game management.
Maybe you have examples or you can tell me how it's easier to do?=).

My question is:
-How to turn character on a terrain in the direction of the mouse?

i find setRotation(); function but it ...