* Invisibility refactor (#78908)
This adds a tracker for sources of invisibility and a priority system. I
needed this for another thing so I'm doing this first since it touches a
lot of code. As for the bugs fixed in the changelog, it's only what I
noticed while going through everything and there's likely a few more
things fixed with this. This should be testmerged for a while, I'll
bring this out of draft when it feels safe.
🆑
admin: Invisimin can now be used on mobs that are already invisible,
whether through temporary or permanent effects.
fix: Monkeyize/Humanize mob transformations no longer permanently reveal
invisible mobs if they had effects making them invisible otherwise.
fix: Objects with the undertile element that have been made invisible
through other means are no longer revealed by being uncovered.
/🆑
* Invisibility refactor
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Co-authored-by: Emmett Gaines <ninjanomnom@gmail.com>
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