Quake 4 interactive GUI style?

I have a quastion, who remember Quake 4 or Doom 3, they know about this ineractive panels.
When character comes to the panel, weapon disapear and cursor inside of interface is appered.
How to implement this? I work with UE4 prety long, but this thing makes me dizzy(
I make this kind of thing with 3D Widget and it work, but problem that it work only with regular mouse cursor.
Sample down below in first 15 seconds.