► Mesh Materializer ◄

I would like to convert a MapMagic terrain to mesh at runtime from C# (it's a normal Unity terrain) and access the resulting mesh from C#. Is this possible?

 

Yes.



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Terrain to Mesh: "Mesh vertex count exceeded."

Is this not generated with a 32-bit index? The obj export doesn't have this limit.

 

Another question: I want to write generated ambient occlusion into PNG, not vertex color. Is there API access for Vertex Color Exporter, or maybe another way?

 

OBJ exporter as no limits.
You can get this error only if exporting terrain into Unity mesh file format.

Vertex Color Exporter is editor tool only, it has no run-time API.

32 bit index meshes and run-time Vertex Color Exporter tool are bookmarked for the future update.



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Any chance of supporting 16-bit PNG for Heightmap Export in the future?

 

TypeLoadException: Could not resolve type with token 010000a8 (from typeref, class/assembly UnityEngine.Rendering.RenderPipelineAsset, UnityEngine, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null)

UnityEditor.EditorWindow:GetWindow()

VacuumShaders.MeshMaterializer.MM_EditorWindow:ShowWindow()



Can't get this asset work on 2018.4.23 .. Did someone encounter this error ?

 

It may be due to using Unity 2019.x version of the asset in Unity 2018.x
Solution: Completely remove asset from the package, clear Asset Store cache folder and re-download asset from the store using Unity 2018.x.
There are several versions of the asset on the store and which one will be downloaded depends on used Unity editor version.



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Have you come across a "Bones do not match bindpose" error? I get this when I follow your video, AND using y bot from Mixamo. I do not get the error when I use another character, e.g. Remy. I can not see a difference between the two models, so wondering if you have any ideas.

I am also confused about decimation, is that not the same as your optimization option?

 

Confirm bug with Mixamo meshes. Just discovered it too.
As for Optimizer, it reduces generated mesh file size by decreasing saved data precision, or excluding some vertex data from meshes (tangents, uv3, uv4, etc). Vertex decimation tools however reduce mesh vertex count and triangle count.



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Thanks for the update. Are you looking into bug or is there a work around?

 

Problem appeared to be with mesh index format. Mesh Materializer currently supports only 16 bit indexes and if you create "low poly" style meshes it will fail if total vertex count for resultant mesh exceeds 65.000.
For common meshes there is no such problem as Mesh Materializer automatically splits them, but skinned meshes can not be split as bones data is lost.

There is a very big planed update for Mesh Materializer in September and it will support 32bit meshes with 4 billion vertices.
Currently there is no solution for skinned meshes to have "low poly" style with vertices more than 65.000 (BTW at such high resolution "low poly" style even will not be noticeable ).



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Hey, Does Mesh Materializer, Terrain to mesh, works with srp?

 

SRP needs this plugin.



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Hey just bought both of the assets and installed, maybe I missed something but when I try to extract splat maps too, the tool tells me that LWRP plugin is missing, what should I Do?

 

What Unity version do you use, and render pipeline?
Note, SRP package is required only for materials using SplatMaps, those are Terrain To Mesh shaders.
Basemap and Heightmap exporting does not need any shaders.
Nothing in Mesh Materializer asset needs any additional package purchase, only Terrain To Mesh shaders using Splatmaps.



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I use unity 2020.1.0f1
URP 8.2.0

 

Found it. Fixing.

[EDIT]
Fixed it. Download update v2020.2 from the Asset Store.



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Excellent work! thank you so much for the super fast response!!

 

A question: does this tool support combine mesh and also keep all existing materials?

ie., make them submesh / material id?

(I have disabled force one sub material + enabled combine meshes, but the result mesh doesn't seem to contain submesh, so only one material left.)

(Also I use Ambient Occlusion baking in Raycast mode, which means to get the best AO I want a combined mesh with multiple submesh; if I leave combine meshes unchecked, the AO are less accurate; I know Occlusion Render can handle multiple meshes, but I prefer the Raycast result.)

 

Generated meshes can have submesh, editor tool just creates one material asset for all meshes. You can assign additional materials later.

As for Ambient Occlusion Generator, can I see screenshots for problematic mesh with enabled submesh and without it?
Enabled submesh options should not effect the result.



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Does this work in projects using URP? And does it work on Oculus Quest?

 

Asset is not updated for URP and some features may not work.
If using in editor, you can just temporarily switch project to built-in render pipeline, use Mesh Materialize for generating required meshes and switch back to URP. Resultant mesh will work on any device and in all render pipelines.



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Do you plan updating for URP?

 

Yes. But update will be available somewhere after January, as first I have to update plugins separately included in this package.



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I am really very interested in this asset I wish I had been on a discount on Black Friday,
I love your Assets, I have several and they work perfectly.

 

Hi, Is dotnet 3.5 runtime supported? I am stuck with 2018.4 LTS and dotnet 3.5 without c# 4 support. Can I run this asset?

 

Hey, @Arkhivrag

Im getting the "Bones do not match bindpose." and it may be as you said above as they are very large models.

Also going for low poly look. Mostly its to reduce high quality textures into low poly looking textures, which is the main goal. Just bumping this issue.

Im running 2020.2 on 2019.4.9f1. Is there another version coming with this fix, or is it unrelated to the 64k max, as you added that already? I dont see release notes on it.

Thanks!

 

Yes, it supports .NET Framework 3.5

Currently max supported vertex count is 21.000.
Update for 32 bit index meshes with 4 billion vertices will be released somewhere after January. At first I have to update each plugin separately included in Mesh Materialize.



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Is there any way to export a texture at runtime of vertex colour AO?

Bought this asset when it said all functions were available at runtime and in editor, but I can’t seem to find a way to do this.

 

Texture baker works only in editor.
Runtime exporter bookmarked for the future update.



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I am trying to put together a Project using Digger, and was wondering if it is Possible to convert a piece of terrain to Mesh at runtime, only If it gets separated from all other Terrain? (and thus having physics applied to it)

 

Unity terrain can be converted into a mesh in run-time and be separated from other terrains.
Converted mesh can use physics using common mesh collider.
Converted mesh will not have holes.

I'd suggest to wait for the new Terrain To Mesh 2021 (releasing in May) with many new features and improvements.



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Hi @Arkhivrag

will you update the Mesh Materializer asset to also use the latest Terrain To Mesh version?
I really urgently need the new functionality to export grass/details and only bought the Mesh Materializer asset.

 

Terrain To Mesh 2021 will be part of the new Mesh Materializer, that is in development and will be released after updating Lowpoly Mesh Generator and Ambient Occlusion generator.



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@Arkhivrag That sounds great! Is there any way you could send me a version of Terrain to Mesh 2021 for now?
We urgently need to try to optimize our grass/details and are very close to shipping our game on consoles (in the next 1-2 months), it would be very much appreciated!

I can, of course, send you my invoice number from Mesh Materializer via Email or DM.

 

New Mesh Materializer will payed upgrade as it is complete new asset (name also will be changed).



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Mesh Materializer has been deprecated. Instead of it on the 5th of October will released new asset bundle that will contain assets listed below:

1) Terrain To Mesh
2) Lowpoly Mesh Generator
3) Vertex Ambient Occlusion Generator
4) Vertex Thickness Generator
5) Convert Vertex Color To Texture
6) Bake Texture To Mesh (coming soon)
7) Vertex Color Adjustments (coming soon)
8) ... may include some new assets released in future.

For the owners of the current Mesh Materializer, price for the new asset bundle will be 50$ off.



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But I can still download an older copy from there? or removed like removed totally?

 

Yes, you can download it from your account.



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eh then thats cool.

 

>> Amazing Tools Bundle <<​

Owners of the Mesh Materializer asset can use 50$ price reduced upgrade option.



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Thanks for this, will it expire at any point? Wondering if there is a rush to purchase right now.

 

No expiration time. Upgrade any time you want.



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