AssetDatabase.WriteImportSettingsIfDirty

Description

Writes the import settings to disk.

In order to make the cache server import assets.

using UnityEngine;
using UnityEditor;
public class AssetDatabaseExamples : MonoBehaviour
{
    [MenuItem("AssetDatabase/Set Cookies Import Settings")]
    static void SetCookiesImportSettings()
    {
        for (var i = 0; i < 10; i++)
        {
            var texturePath = $"Assets/Lighting/Cookies/LightingCookie{i}.jpg";
            var textureImporter =
                TextureImporter.GetAtPath(texturePath) as TextureImporter;
            textureImporter.textureType = TextureImporterType.Cookie;
            textureImporter.alphaSource = TextureImporterAlphaSource.FromGrayScale;
            //This method saves the Cookies import settings, without it the editor will ask you to apply unapplied settings
            AssetDatabase.WriteImportSettingsIfDirty(texturePath);
        }
    }
}