CheckSameMaterials

CheckSameMaterials.cs

using UnityEngine;
using UnityEditor;
using UniLinq;
using System.IO;

public class CheckSameMaterials
{
    static readonly string[] validExtensions = { ".prefab", ".fbx" };

    [MenuItem ("Assets/CheckSameMaterials")]
    static void Check ()
    {
        CheckMaterials (true);
    }

    [MenuItem ("Assets/CheckSameMaterials(IgnoreSort)")]
    static void CheckIgnoreSort ()
    {
        CheckMaterials (false);
    }

    static void CheckMaterials (bool ignoreSort)
    {
        var targetMaterials = ((GameObject)Selection.objects [0]).GetComponent<Renderer> ().sharedMaterials;
        var compareMaterials = ((GameObject)Selection.objects [1]).GetComponent<Renderer> ().sharedMaterials;
        if (!ignoreSort) {
            targetMaterials = targetMaterials.OrderBy (x => x.name).ToArray ();
            compareMaterials = compareMaterials.OrderBy (x => x.name).ToArray ();
        }
        var result = targetMaterials.SequenceEqual (compareMaterials);
        Debug.LogFormat ("result:{0}", result);
    }

    [MenuItem ("Assets/CheckSameMaterials", true)]
    static bool CheckMaterialValidation ()
    {
        return CommonValidation ();
    }

    [MenuItem ("Assets/CheckSameMaterials(IgnoreSort)", true)]
    static bool CheckMaterialValidationIgnoreSort ()
    {
        return CommonValidation ();
    }

    static bool CommonValidation ()
    {
        if (Selection.objects.Length != 2) {
            return false;
        }
        foreach (var obj in Selection.objects) {
            if (!IsValidExtension (AssetDatabase.GetAssetPath (obj))) {
                return false;
            }
        }
        return true;
    }

    static bool IsValidExtension (string assetPath)
    {
        var targetExtension = Path.GetExtension (assetPath).ToLower ();
        foreach (var ext in validExtensions) {
            if (ext.Equals (targetExtension)) {
                return true;
            }
        }
        return false;
    }
}