[Fixed] 90 degree rotated textures turn into HOMs when per-map art tiles are loaded

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[Fixed] 90 degree rotated textures turn into HOMs when per-map art tiles are loaded

Doom64hunter

#1 Posted 29 September 2019 - 09:20 AM

Download the following zip, it contains a simple test map and a per-map art file.

rotatetexture_bug.zip (524bytes)
Number of downloads: 326

Launch the map, save and load. After loading, the textures rotated by 90 degrees (i.e. the ones with cstat 4096) will become HOMs. This does not happen once the per-map tile art file is removed.
Furthermore it does not require the tiles to actually be used for the bug to occur.

Bisection indicates that this was always broken ever since the feature was introduced.

Doom64hunter

#2 Posted 03 October 2019 - 04:46 AM

The diff in this archive fixes the problem:

rottile_fix.zip (609bytes)
Number of downloads: 329

The rottile array wasn't being backed up and reloaded with the other arrays in the mapart functions.

This post has been edited by Doom64hunter: 03 October 2019 - 04:46 AM