In the process of trying to migrate as many Rembrandt features as possible to a new Compositor-based forward pipeline, it was necessary to come up with a way of rendering many lights in real time. Although it took longer than I expected (mainly because I didn't have as much time as I expected ), I finally got around to implementing clustered forward rendering.
The only missing feature is how to declare the lights themselves. Rembrandt does it with light volumes and an animation applied to them. It could also be done with a custom <light/> tag in the model.xml. It'd be nice if aircraft/scenery developers could tell me what would be their preferred way to add lights to their models, and what parameters they'd want to be able to control (range, color, etc.).
Thanks!