Need help figuring out what causes invisible block

Hi!

When you try to walk to green door in this map, you get blocked by invisible wall. When you move triangular sector below up then this invisible line also goes up, when you move it down, the invisible line also goes down. I mean up and down on map that is y axix, not z.


Could someone with UDMF knowledge look into actual TEXTMAP itself? Is there anything invalid there?

Wad

bug.wad

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I've got the same problem last week with one of my maps.
I didn't find the problem in editor level. Backup was my only solution.

stuff

I'm wondering how you made those sectors.
Ordinarily the linedefs would be in sequence for each sector as they are constructed,
for example: 0, 1, 2, 3 for the rectangle and 4, 5, 6 for the triangle, etc.
But in your case they are out of sequence 1, 4, 5, 6 and 0, 2, 3, which leads
me to think that you had made other sectors before and decided to delete them, to wind
up with such a map. And in the process something went awry.

What purpose does the triangular sector represent?

I've got the same problem last week with one of my maps.
I didn't find the problem in editor level. Backup was my only solution.

I got one hint from Boris. Does your map spanning happen to exceed 32768x32768 map units? If yes, it could be https://doomwiki.org/wiki/Blockmap_overflow if no, maybe you could post your map as separate topic and let's see what interesting do we find.