So this blog post is my quest to avoid these problems so I can reuse trees and bushes from various Asset Store purchases, upgrade them to HDRP, but without risk of the model failing in the future. Unity appears to have hard coded a number of shader properties it expects to have, but I have not found a documented list of such properties. The Tree Editor component creates the meshes and assigns the material, so direct changes I make under the covers may be overridden by the Tree Editor component when it feels appropriate.įurther, if I do manage to change the material to use say the HDRP/Lit shader, I get errors like this in the console. Recovery can involve restoring from backup if I don’t notice in time (the undo history is lost). The painful part sometimes coming back to a project after a while I find that trees have their material updated and I have a lot of problems setting it back again. The problem is the Nature/Tree Creator Bark and Leaves shaders do not work with HDRP, so everything turns pink (unsupported shader). The Tree Editor then keeps offering to set the shader to Nature/Tree Creator Bark (or Leaves). The little red exclamation marks are my first hint of problems.ĭigging into the weeds, it is complaining about the shader in use is not compatible with the Tree Editor. Normally I succeed, but for trees using the Unity Tree Editor I can often hit problems about shader compatibility. So I try to change the shader to a HDRP compatible shader. There is nothing wrong with that, but when upgrading to HDRP, custom shaders are not automatically updated. Here are my current findings in this area. Some use the Unity Tree Editor, which have given me problems after upgrading to HDRP. I hunt around in them for various models that I can use in scenes for my animations, such as trees and bushes. I have a number of assets from the Unity Asset Store – some paid, some free.
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