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Broken (zero) normals for some studio models #731

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w23 opened this issue Jan 19, 2024 · 2 comments
Open

Broken (zero) normals for some studio models #731

w23 opened this issue Jan 19, 2024 · 2 comments
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bug Something isn't working ray tracing visual bug Visual glitches, something looks incorrectly

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@w23
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w23 commented Jan 19, 2024

Some studio models end up producing normals with zero length. These lead to invalid shading normals in shaders, which cause nans all over the place.

Known models:

  1. crossbow
  2. satchel
  3. v_egon | pylesos
  4. grenate

And possibly many more

Also might be related: weird shading on yellow "EXPLOSIVE" satchel tag
@w23 w23 added bug Something isn't working ray tracing visual bug Visual glitches, something looks incorrectly labels Jan 19, 2024
@w23 w23 added this to HLRT Jan 19, 2024
w23 added a commit that referenced this issue Jan 19, 2024
@w23
vk: rt: investigate more nans
5f3a0c2 
Found that some studio models end up producing zero-length normals. See #731
@0x4E69676874466F78
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Мы же это вроде починили уже?

@w23
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w23 commented Apr 30, 2024

Мы же это вроде починили уже?

Мы починилизамазали наны в шейдерах, но не починили корень проблемы.
Там сейчас лог с ошибкой стоит, который периодически ноет про нулевую нормаль в игре.

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bug Something isn't working ray tracing visual bug Visual glitches, something looks incorrectly
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