Add support for rendering multiple viewports at the same time. This can be viewports to the same room, or to different rooms.
Have the ability to layer viewports on top of each other with transparency.
Allow attaching a viewport to an object.
Add a setting per viewport of whether or not it's interactive.
Allow setting which object is visible by which viewport/camera (i.e an override for the default visibility).
Add support for rendering multiple viewports at the same time. This can be viewports to the same room, or to different rooms. Have the ability to layer viewports on top of each other with transparency. Allow attaching a viewport to an object. Add a setting per viewport of whether or not it's interactive. Allow setting which object is visible by which viewport/camera (i.e an override for the default visibility).