Use custom imported asset as texture property | Official Unity Discord | Page 1

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What you do is generate a Texture2D from it and use AssetDatabase.SetMainObject to set the texture as the main asset at the path iirc

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You are using a scripted importer right?

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If so, then I think using ctx.AddObjectToAsset followed by ctx.SetMainObject is what you want.

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What is SourceModel?

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Unity does not support deriving custom classes from Object

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It only supports MonoBehavior and ScriptableObject

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The reason is that all other types expect a C++ class matching the C# one.

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Simply inheriting from ScriptableObject will do what you want

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You also need to use ScriptableObject.CreateInstance to create an instance, not new

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@dusky kindle right I jsut tested and it works fine.

using UnityEditor.AssetImporters;
using UnityEngine;

[ScriptedImporter(0, "mdl")]
public class SourceMDLImporter : ScriptedImporter
{
    public override void OnImportAsset(AssetImportContext ctx)
    {
        var model = ScriptableObject.CreateInstance<SourceModel>();
        
        ctx.AddObjectToAsset("main model", model);
        ctx.SetMainObject(model);
    }
}

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Put that inside of an Editor folder

#Use custom imported asset as texture property