I have an idea if this doesnt affect performance maybe add light to buildings so the windows become yellow with light at night cycles and apply this to all buildings
Yes
sorry to say to you that but it is add but no for all the building( i think ),if you can draw it (or a other people,read this if you think you can do it:
https://www.ape-apps.com/viewpage.php?p=866
Oh i know that lights and lightibg had been added but i see what you mean
Yes