PC Visual bug when block swapping glass blocks on edges of walls

jimkaiseriv

Terrarian
Steam or GOG
Steam
Single Player/Multiplayer
Single
Operating System
Windows 10
Terraria Version
1.4.3.2
Controls Used
Keyboard/Mouse
If you block swap a glass wall on the edge of a structure, the background walls are visible through the block.

Capture 2021-12-28 12_36_13.png


However, if glass blocks are placed normally on the edge of a wall, the wall is "cut off" visually so that it is not seen through the block. In this case, the block-swap is skipping the wall "trimming" that should occur normally.

Capture 2021-12-28 12_36_32.png


This also happens in reverse when you block swap a different block in place of a glass bock. If the wall meeting the block was previously "trimmed" then it isn't returned to normal as it should be. This is evident when you remove the new block, as the wall will still be shortened (removing glass blocks adjacent to trimmed walls restores them to their normal size).

Capture 2021-12-28 12_36_50.png


In game it is fairly easy to correct this if it occurs by placing new walls (even placing them adjacent without removing the incorrect walls will fix the issue). Exiting and reloading also fixes the issue.
 
I was able to reproduce this with little effort. The behavior performs exactly as described, regardless of back wall. It is just that the game isn't expecting to adapt to the block swap, and it requires a visual refresh for the game to re-adjust to the new detail. Replacing the back so it can readjust to the swapped walls is also a cheap fix.

I would consider this a cosmetic issue, as it doesn't really have a side effect that can cause some crippling.
 
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