What is the easiest way to add a new component to the nether fortress generator? Thanks in advance.

How exactly should I do this? I haven't really done anything with events before.

http://www.minecraftforge.net/wiki/Event_Reference

You are looking for "Terrain Events" on the bottom of page.

 

In your MainMod you register it in preInit():

MinecraftForge.TERRAIN_GEN_BUS.register(new MyTerrainEvent());

Then you create MyTerrainEvent.class which for example can look like this:

public class MyTerrainEvent
{
@ForgeSubscribe
public void changeTerrain([eventname] event)
{

}

@ForgeSubscribe
public void changeTerrainInNether([eventname] event)
{

}
}

 

Oh, and look into net.minecraftforge.event.*

Ok, so I got the event check working, but how exactly do I add the new component? Sorry for asking for details, I'm a complete forge noob.