using UnityEngine;
using FairyGUI;
using YooAsset;

namespace GFGGame
{
    public class GFGGLoader : GLoader
    {
        private AssetOperationHandle handle;

        protected override void LoadExternal()
        {
            if (!YooAssets.CheckResExist(this.url))
            {
                return;
            }
            handle = YooAssets.LoadAssetAsync<Texture2D>(this.url);
            handle.Completed += Handle_Completed;
        }

        protected override void FreeExternal(NTexture texture)
        {
            //释放外部载入的资源
            if(handle != null)
            {
                handle.Release();
            }
        }
        void Handle_Completed(AssetOperationHandle handle)
        {
            if(handle.GetAssetInfo().AssetPath != this.url)
            {
                handle.Release();
                return;
            }
            Texture2D texture = handle.AssetObject as Texture2D;
            if (texture != null)
            {
                onExternalLoadSuccess(new NTexture(texture));
            }
            else
            {
                onExternalLoadFailed();
            }
        }
    }
}