AseFileInspector.cs

using System.Collections;
using UnityEditor;
using UnityEngine;
using System.Linq;
using AnimationImporter;
using System.IO;

 [CustomEditor(typeof(DefaultAsset))]
 public class AseFileInspector: Editor
{
    DefaultAsset[] assets = new DefaultAsset[1];
    bool isAseFile;
    AssetImporter importer;
    string targetPath;
    Vector2 scrollPosition;

    void OnEnable()
    {
        var path = AssetDatabase.GetAssetPath(target);
        if (path.EndsWith(".ase"))
        {
            importer = AssetImporter.GetAtPath(path);
            targetPath = path;
            isAseFile = true;
        }
    }

    public override void OnHeaderGUI()
    {
        base.OnHeaderGUI();
        if(!isAseFile)
        {
            return;   
        }

        if(string.IsNullOrEmpty(targetPath))
            return;

        var importer = AnimationImporter.AnimationImporter.Instance;

        EditorGUI.BeginDisabledGroup(!importer.canImportAnimations);
        EditorGUILayout.LabelField($"file path : {targetPath}");

        assets[0] = AssetDatabase.LoadAssetAtPath<DefaultAsset>(targetPath);

        if(GUILayout.Button("애니메이션 생성"))
        {
            importer.ImportAssets(assets);
        }
        
        if(GUILayout.Button("애니메이션 + 애니메이션 컨트롤러 생성"))
        {
            importer.ImportAssets(assets, ImportAnimatorController.AnimatorController);
        }
        
        if(GUILayout.Button("부모 폴더로 이동"))
        {
            var path = targetPath;
            path = path.Replace(path.Split('/').Last(),"");
            if (path[path.Length -1] == '/')
                path = path.Substring(0, path.Length -1);
        
            UnityEngine.Object obj = AssetDatabase.LoadAssetAtPath(targetPath, typeof(UnityEngine.Object));
            Selection.activeObject = obj;
            EditorGUIUtility.PingObject(obj);
        }
        EditorGUI.EndDisabledGroup();
        

        scrollPosition = GUILayout.BeginScrollView(scrollPosition);

        var aseFileDir = Path.GetDirectoryName(targetPath);
        var spriteDir = Path.Combine(aseFileDir,"Sprites");
        var spritePaths = AssetDatabase.FindAssets("t:texture2D",new string[1]{spriteDir});

        var filename = Path.GetFileNameWithoutExtension(targetPath);
        
        foreach(var guid in spritePaths){
            var texturePath = AssetDatabase.GUIDToAssetPath(guid);
            var texutreName = Path.GetFileNameWithoutExtension(texturePath);
            var cond1 = texutreName.CompareTo(filename) == 0;
            var cond2 = texutreName.Replace(filename,"").StartsWith("__");
            if(cond1 || cond2){
                var t = AssetDatabase.LoadAssetAtPath<Texture2D>(texturePath);
                GUILayout.Box(t);
            }
        }

        GUILayout.EndScrollView();
    }
}