Hello! 
Where i work we do a lot of Visualisations and Interactives for lighting designs where we use a combination of rendered images and adobe flash to create an interactive where by the clients can see a new lighting scheme of a space and control the lights in a scene using buttons and sliders. I’m currently exploring other ways that out clients can view and see their spaces with the new lighting scheme. Using UE4 to create a real time simulation (with the Oculus Rift) of the space would be a dream come true, however i have run into a few things that may cause some problems.
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IES lights… currently they are limited to spot lights / downlight. We use a lot of linear lights and this doesn’t seem to be supported… will the be better options in the future for creating linear lights? I know you can change the source length but the attenuation radius is still a sphere from the center of the light which causes issues.
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Light maps… some of our scenes that I would love to see in real time have 1000s of lights (not even an exaggeration). This would be impractical to create in UE4 with the point lights as it would be so intensive on the GPU. Is there no way at all that Light maps can be rendered in another 3D application (like 3ds max) then used within UE4? If not then is there any plans to include this?
Any help or knowledge in this would be greatly appreciated!