FairyGUI.UIPackage.LoadMovieClip C# (CSharp) Method

        void LoadMovieClip(PackageItem item)
        {
            string str = _descPack[item.id + ".xml"];
            XML xml = new XML(str);
            string[] arr = null;

            str = xml.GetAttribute("interval");
            if (str != null)
                item.interval = float.Parse(str) / 1000f;
            item.swing = xml.GetAttributeBool("swing", false);
            str = xml.GetAttribute("repeatDelay");
            if (str != null)
                item.repeatDelay = float.Parse(str) / 1000f;
            int frameCount = xml.GetAttributeInt("frameCount");
            item.frames = new MovieClip.Frame[frameCount];

            int i = 0;
            string spriteId;
            XML frameNode;
            MovieClip.Frame frame;
            AtlasSprite sprite;

            XMLList.Enumerator et = xml.GetNode("frames").GetEnumerator();
            while (et.MoveNext())
            {
                frameNode = et.Current;
                frame = new MovieClip.Frame();

                arr = frameNode.GetAttributeArray("rect");
                frame.rect = new Rect(int.Parse(arr[0]), int.Parse(arr[1]), int.Parse(arr[2]), int.Parse(arr[3]));
                str = frameNode.GetAttribute("addDelay");
                if (str != null)
                    frame.addDelay = float.Parse(str) / 1000f;

                str = frameNode.GetAttribute("sprite");
                if (str != null)
                    spriteId = item.id + "_" + str;
                else if (frame.rect.width != 0)
                    spriteId = item.id + "_" + i;
                else
                    spriteId = null;

                if (spriteId != null && _sprites.TryGetValue(spriteId, out sprite))
                {
                    PackageItem atlasItem = _itemsById[sprite.atlas];
                    if (atlasItem != null)
                    {
                        if (item.texture == null)
                            item.texture = (NTexture)GetItemAsset(atlasItem);
                        frame.uvRect = new Rect(sprite.rect.x / item.texture.width * item.texture.uvRect.width,
                            1 - sprite.rect.yMax * item.texture.uvRect.height / item.texture.height,
                            sprite.rect.width * item.texture.uvRect.width / item.texture.width,
                            sprite.rect.height * item.texture.uvRect.height / item.texture.height);
                    }
                }
                item.frames[i] = frame;
                i++;
            }
        }