Kano 809cd63eb8 Fixes blend overlays (#22644) ...

## About PR

Fixes a function that was used to allow some objects to smooth with
directional modifiers, seemingly removed a long time ago in a large
optimisation pr

Currently only the windows, window frames and grilles use this

## Images

<details><summary>Before</summary>
<p>
<img width="799" height="728" alt="Screenshot_44"
src="https://github.com/user-attachments/assets/3e1fa330-67a0-4d94-bd27-b75dfe50370b"
/>
</p>
</details> 

<details><summary>After</summary>
<p>
<img width="800" height="730" alt="Screenshot_43"
src="https://github.com/user-attachments/assets/75f07164-6172-49ea-a46f-8f7bb8b9edee"
/>
</p>
</details>

2026-06-07 10:19:15 +00:00

..

mapping.dm

Fixes blend overlays (#22644)

2026-06-07 10:19:15 +00:00

mobs.dm

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names.dm

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