I don't see much bent aluminum. There is nothing special about the glass. It looks like it is totally repairable.
The rock guard looks to be missing one piece of aluminum. The vertical piece that separates the flat section from the clapboard section. Did you find that? The material that you need to replace the clapboard, (or flat) section is called Filon. You can get some at an RV scrap yard.
If the hardware is damaged, I definitely have some extra stuff you can use. I recently came into possession of several windows
that are not the same overall size, but the panes are the same height, so the linkages should be the right length. PM me if you need parts.