Codesmith http://www.codesmithtools.com may be a little easier.
We use MyGeneration http://www.mygenerationsoftware.com.
It is a little dated, but the templates allow scripting in vbscript, VB.Net, or C#. You can also build forms to pick and choose options for your class as you need them.
"There is nothing so useless as doing efficiently that which should not be done at all." - Peter Drucker