
Things that never should be fixed:
This is not actually a bug, this is a feature called "dynamic difficulty adjustment for Diona players"
You know, this can be fixed with a change of exactly one line of code, but I'm afraid to do that because it may have consequences we don't want
(Two lines of code to fix both this and #4042)
Yes, this is technically 100% intended AFAIK.
It would be nice to be able to though.
Welder tank looks to have wheels... dunno why I can't slide it.
They can slide, that's not the cause of the issue.
The issue here is that the code doesn't see you as adjacent to the tile you're trying to move the welding rank to, because both the welding tank and the wall are blocking you (or the domputer).
Even though solid full-tile objects do NOT stop you from pulling/pushing windows that are on the same tile through them for the exact opposite reason this happens (as explained in #4042; in short, the non-diagonal case of Adjacent() only checks for border blockages while the diagonal case checks for border OR full-tile blockages)
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Things that never should be fixed: