Can you give an example? What gameplay function do light shafts serve?
First off, if Epic -does- add in volumetric light shafts, it’s unlikely to be fast enough to use on every single light as you suggest. At most I can see it working on 5-6 lights at once, which is more than any artist would need anyway.
Yes.
Then you make it a single blueprint and have it automatically update for every fan in the level.
Right, what you want isn’t in question, only why you want it so badly. Light shafts are already “good enough” for the directional lights in the engine for most situations, and I don’t really see the push for it in every type of light. They’re an effect you don’t want to use too much to begin with, otherwise it quickly becomes cliche and loses its impact in a scene. Volumetric fog isn’t really a ‘need’ so much as a ‘want’, which is why Epic’s been so slow to do something about it.