I haven't been able to do a video, not sure why but my broadband isn't liking uploading videos at the moment.
The issue with places the markers, is that when you put them down, you can get them to snap to the second or third floor fine, but if you try to adjust the points they drop to the ground and you cant get them back up. That's not a major issue because I can work around that by placing them on the ground, sizing them, then extracting them and hitting page up while hovering over the floor.
However, here's an FPM that is showing some other issues with AI and multiple level buildings. Notice how the first soldier just does not want to go up those stairs, and when he does he won't go into the little room/ Also notice how the second soldier actually spawns in a different location to where he is placed, and he also won't go in that room. Also note how long it takes for the first soldier to react, and the fact that the second soldier won't react until you are super close, or fire a shot, he also tends to bounce up and down the stairs without going anywhere else about half of the time.
(the FPM uses the building from the death valley dlc, and stock uber soldiers)
Primary Desktop:
i7 7700,k NV1070 8GB, 16GB 3200mhz memory, 1x 2TB Hybrid, Win10.
Secondary Desktop:
i5 4760k, NV960 2GB, 16GB 2333mhz memory, 1x 2TB Hybrid, Win10.
Laptop:
i3, Intel 4000 series graphics, 6GB memory, 1x 500gb HDD, Win8.1.