调整 SpriteCache 的读取资源方式

将原来 UGF 事件回调风格的调用改成使用 UniTask 的异步操作

Assets/GameMain/Scripts/Runtime/BuiltinComponent/AsyncTask/ResourceAsyncExtension.cs

@@ -1,4 +1,6 @@
+using System;
 using Cysharp.Threading.Tasks;
+using GameFramework.Resource;
 using UnityGameFramework.Runtime;
 using ResourceApplySuccessEventArgs = UnityGameFramework.Runtime.ResourceApplySuccessEventArgs;
 using ResourceUpdateAllCompleteEventArgs = UnityGameFramework.Runtime.ResourceUpdateAllCompleteEventArgs;
@@ -11,6 +13,24 @@ namespace SepCore.AsyncTask
     /// </summary>
     public static class ResourceAsyncExtension
     {
+        /// <summary>
+        /// 异步加载资源
+        /// </summary>
+        /// <typeparam name="T">资源类型</typeparam>
+        /// <param name="resourceComponent">资源组件</param>
+        /// <param name="assetName">资源名称</param>
+        /// <param name="priority">加载优先级</param>
+        /// <returns>加载完成的资源</returns>
+        public static UniTask<T> LoadAssetAsync<T>(this ResourceComponent resourceComponent, string assetName, int priority = 0)
+        {
+            var tcs = AutoResetUniTaskCompletionSource<T>.Create();
+            resourceComponent.LoadAsset(assetName, priority, new LoadAssetCallbacks(
+                (_, asset, _, _) => tcs.TrySetResult((T)asset),
+                (_, _, errorMessage, _) => tcs.TrySetException(new Exception(errorMessage))
+            ));
+            return tcs.Task;
+        }
+
         /// <summary>
         /// 异步等待资源更新完成
         /// </summary>