using UnityEngine;
using UnityEditor;

public class Texture2DArrayCreator
{
    [MenuItem("Assets/Create/Texture2DArray From Textures")]
    public static void CreateTexture2DArray()
    {
        var textures = Selection.GetFiltered<Texture2D>(SelectionMode.DeepAssets);

        if (textures.Length == 0)
        {
            Debug.LogWarning("No textures selected!");
            return;
        }

        int width = textures[0].width;
        int height = textures[0].height;
        TextureFormat format = textures[0].format;

        var textureArray = new Texture2DArray(width, height, textures.Length, format, false, false);

        for (int i = 0; i < textures.Length; i++)
        {
            for (int mip = 0; mip < textures[i].mipmapCount; mip++)
            {
                Graphics.CopyTexture(textures[i], 0, mip, textureArray, i, mip);
            }
        }

        AssetDatabase.CreateAsset(textureArray, "Assets/NewTexture2DArray.asset");
        AssetDatabase.SaveAssets();

        Debug.Log("Texture2DArray created successfully!");
    }
}