My first attempt at such an item is the Anti-Acid EUK. It has a simple purpose, to allow players to upgrade certain items to resist acid. Although the whole point of the EUK is just to flag items as unacidable, I ended up spending far too much time working out the icon Blend()ing aspect of it so that I am not just giving upgraded items a puke-yellow color. Instead, I managed, by pure coincidence, to find a way to make items to look properly golden, as seen in my PR. It is not perfect, and I have a long road ahead in getting some other icon related things to work.
Without further ado, I give you the PR for the first EUK item here: https://github.com/tgstation/-tg-station/pull/8380
I need the community's help and support to make this a reality. I need sprites for the EUK item itself, and suggestions on how to improve the icon sprites. Coders reading this are invited to give me tips on how to apply a color change to on-mob sprites, and improvements to the underlying code itself.
Let me know what you think!
