Quote from terraunity on October 11, 2021, 4:08 pm

 

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We have been working on a solution to convert your scenes created in Unity's Standard pipeline into any SRP (HDRP/URP) projects.

As always, we have automatization in mind and came up with a converter which exports your scene as a unitypackage file to be imported into any HDRP or URP projects with the help of Unity's Material Upgrade system.

Login & download the zip file attached in this post to get the converter.

▼ Click Below for Video Tutorial ▼

https://youtu.be/QVSq1Rehwdw

 

• Find the script (ExportSceneToSRP.cs) and place it under "Assets\TerraWorld\Core\Common\Scripts\Editor"

in your current project. An option will be added to Unity menus under "Tools/TerraUnity/Export Scene To SRP"

so that you can run the converter from there after you have a world created with TerraWorld in your scene.

 

By doing this, TerraWorld will create a unitypackage file in project root named "SRP Scene.unitypackage" which can be imported into your HDRP/URP projects.

 

• When finished importing, find the script “MassiveGrass.cs” in the attached zip file and replace it with the one already in the project. The updated script handles proper rendering of grass layers in scenes while in HDRP or URP projects.

 

Please note that the above steps is only applicable to TerraWorld ver. 2.30.3 as the next version will already have the converter and updated scripts included.

 

You can now load the scene you have created in the original project but you will find the scene empty-ish with pink materials.

 

So there is only one step to reveal and render the scene in target pipeline which is Unity's own "Material Upgrade" process.

 

• To update materials from built-in to HDRP, read here: https://docs.unity3d.com/Packages/[email protected]/manual/Upgrading-To-HDRP.html
• To update materials from built-in to URP, read here: https://docs.unity3d.com/Packages/[email protected]/manual/upgrading-your-shaders.html

 

 

The Unity's material upgrade process will convert materials to the suitable ones in the current pipeline and renders them properly.

Please note that you may lose some custom features (terrain's anti-tiling or color correction, vegetation's wind, snow...) which were already available in TerraWorld Standard pipeline scenes since all materials are now converted to Unity's built-in ones without these features. Go ahead and read the following if you need to get started for better rendering on world elements using built-in Lit shaders or other stock or 3rd party shaders.

 

You can go ahead and tweak each material settings or completely change them to any shaders you wish. Below are a few examples to cover some potential artifacts or giving each material a better look:

• For grass layers you need to tweak some material parameters to turn on double sided rendering since we need to render both front and back faces of grass blades. In HDRP/Lit materials, make sure "Double-Sided" is enabled and its "Normal Mode" is set to "None" or "Mirror", in URP/Lit materials set "Render Face" to "Both".
• For clouds in HDRP, you need to disable "Transparent Depth Prepass" in HDRP/Lit materials to render properly.
• For water surfaces and proper water rendering, change its material to anything other than built-in Lit shaders of your own or 3rd party shaders to render water based on your scene style.
• Use any custom or 3rd party terrain materials on your terrain objects for better surface rendering.

 

Regarding visual effects and post processing, both HDRP & URP have their own solutions to bring up a beautiful scene on par with TW's Standard version which was already available in the VFX tab.

In HDRP, if you directly load the scene from the converter, you need to add "Sky and Fog Volume" from the menu: GameObject/Volume. After this it may be possible that your scene is darkened, so you only need to select the Directional Light in scene hierarchy and the scene lighting will be initialized properly.

 

And as the final note, even when you import created scene through this converter into any SRP projects, all TerraWorld's world editing tools are available and you can use them to tweak layers via scene hierarchy and layers' inspector as shown in this video:

https://youtu.be/e_gM5C3m6AY

 

Hope you enjoy building games in your HDRP or URP projects using TerraWorld's scene builder and editing tools.