AssetDatabase.WriteImportSettingsIfDirty

Parameters

Returns

bool Returns true if the operation was successful.

Description

Writes the import settings to disk.

This method writes unsaved settings to disk, which results in the reimport of any assets that depend on these settings.

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);
        }
    }
}