23 days ago - CO_Avanya - Direct link
For decals you wouldn't make the diffuse texture transparent, but you add another texture called alpha, which is a greyscale texture that tells the game what should be transparent. Black is fully transparent, white is completely solid.

Here are a few links related to asset creation and specifically decals:


Links in this thread

Decal Shader
It's not required to make your own mesh, you can download the premade decal mesh, which is ready to be used with the decal script which will do the rest.

Asset Editor - Cities: Skylines Wiki
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