SKTextureUtil.refreshSourceImages C# (CSharp) Метод

    public static void refreshSourceImages( this SKSpriteSheet sheet )
    {
        // set a flag while we import the PSD to avoid our AssetPostprocessor from getting an endless loop of death
        isCurrentlyRefreshingSourceImages = true;

        try
        {
            var textureInfoList = new List<SKTextureInfo>();
            var files = Directory.GetFiles( sheet.imageSourceFolder ).Where( f => !f.EndsWith( ".meta" ) ).ToArray();
            var textures = new Dictionary<string,Texture2D>( files.Length );
            var texturesNotToDestroy = new List<string>();
            var containedImages = new List<string>();

            float progress = 1f;

            foreach( var f in files )
            {
                EditorUtility.DisplayProgressBar( "Creating Sprite Atlases..", "processing image at path: " + f, progress++ / files.Length );

                var path = Path.Combine( sheet.imageSourceFolder, Path.GetFileName( f ) );
                Texture2D tex = null;

                if( Path.GetExtension( path ) == ".png" )
                {
                    // we load directly from disk so that the textures are guaranteed readable
                    tex = new Texture2D( 0, 0 );
                    tex.LoadImage( File.ReadAllBytes( f ) );
                }
                else if( Path.GetExtension( path ).ToLower() == ".psd" || Path.GetExtension( path ) == ".gif" )
                {
                    var texImporter = TextureImporter.GetAtPath( path ) as TextureImporter;
                    texImporter.isReadable = true;
                    AssetDatabase.ImportAsset( path );

                    tex = AssetDatabase.LoadAssetAtPath( path, typeof( Texture2D ) ) as Texture2D;
                    if( tex != null )
                        texturesNotToDestroy.Add( tex.name );
                }

                if( tex != null )
                {
                    textures.Add( Path.GetFileName( f ), tex );
                    containedImages.Add( Path.GetFileName( f ) );
                }
            }

            sheet.containedImages = containedImages.ToArray();

            // pack all the textures and make a lookup dictionary
            var textureArray = textures.Select( x => x.Value ).ToArray();
            var rects = SKTextureUtil.rebuildAtlas( textureArray, sheet.name.Replace( "_sheet", string.Empty ) + "_atlas", sheet.hasHdAtlas );
            var texToRect = new Dictionary<string,Rect>( textures.Count );

            for( var i = 0; i < textureArray.Length; i++ )
            {
                var key = textures.Where( y => y.Value == textureArray[i] ).Select( x => x.Key ).First();
                texToRect[key] = rects[i];
            }

            // create our textureInfos
            foreach( var item in texToRect )
            {
                var tex = textures[item.Key];

                var info = new SKTextureInfo();
                info.file = item.Key;
                info.uvRect = item.Value;
                info.size = new Vector2( tex.width, tex.height );
                textureInfoList.Add( info );
            }

            // clean up textures
            foreach( var tex in textures )
            {
                // only destroy textures that we loaded from pngs
                if( !texturesNotToDestroy.Contains( tex.Value.name ) )
                    GameObject.DestroyImmediate( tex.Value, true );
            }
            textures.Clear();

            // not sure why getting the asset path triggers a save but it does for some reason
            AssetDatabase.GetAssetPath( sheet );
            sheet.imageTextureInfo = textureInfoList.ToArray();
            //AssetDatabase.SaveAssets();
            AssetDatabase.Refresh();
            EditorUtility.SetDirty( sheet );
        }
        catch( System.Exception e )
        {
            Debug.LogError( "Something went wrong creating the atlas: " + e );
        }
        finally
        {
            EditorUtility.ClearProgressBar();
            isCurrentlyRefreshingSourceImages = false;
        }
    }