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Transparency errors on some .x objects

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Transparency errors on some .x objects Empty Transparency errors on some .x objects

Post by Delsin Wed Jun 09, 2021 8:48 pm

Found a route with transparency glitches I can't fix using conventional methods since all objects come in .x files which generate weird errors.

https://www.dropbox.com/s/ja218srpc60fail/Keio_dotnet.lzh?dl=0

Look at overhead cables on surface sections
Delsin
Delsin

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Transparency errors on some .x objects Empty Re: Transparency errors on some .x objects

Post by leezer3 Thu Jun 10, 2021 10:16 am

It's a color pallette issue.

Specifically, the transparent color specified for X files is pure black (0,0,0) [In .x files, the transparent color is not stored in the object]
Now, the color for this in Kasen.bmp is 2,2,2
Normally, we only see this in restricted (256 color) pallette textures, which we can handle automatically by mapping to the closest color in the restricted pallette, but the author of this route seems to have saved the texture files in 24-bit color.

Short answer is to replace the transparent color in the texture with pure black.
I'll think about whether we can handle this a little better internally, but not sure.

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Transparency errors on some .x objects Empty Re: Transparency errors on some .x objects

Post by leezer3 Thu Jun 10, 2021 12:08 pm

Latest build has handling for this via the routefile patch database.
This will need to be added for any other broken files on a case-by-case basis, as it's way too disruptive to set as on by default.

Only applies in-game with the BVETSHacks enabled option, not in Route Viewer / Object Viewer.

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Transparency errors on some .x objects Empty Re: Transparency errors on some .x objects

Post by Delsin Thu Jun 10, 2021 11:00 pm

This got fixed, but I now noticed some odd track object mismatches in some places. LU Northern line has similar issues (and I think not only track objects are affected), also it likely was there in some previous builds too
Transparency errors on some .x objects Keiotr10
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