I'll consider working on a system where the exit point for the teleporter shows up on hover. It's not high priority though, I'm fond of the current extra info system and I'm coding exit and entry coords for teleporters in it at the moment.
The major problem with this, by the way, is unless I'm careful about it.. hmm
Take entry point at 20,30. Exit point at 55,90
The with a 15x15px image, the resulting box would span from 20,30 to 70,105. Even though it wouldn't have a background, so far as interacting with the map goes, you'd need to move your mouse OUT of that box before you could hover anything that would otherwise be underneath it. (Realistically this is more like 20,30 to 400,350 or something)
There are obvious ways around this, but I'm not going to do it, yet
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