Update Samples

Assets/Samples/ExtensionSample/Scripts/Runtime/AssetOperationHandleExtension.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using YooAsset;
+
+public static class AssetOperationHandleExtension
+{
+    /*
+    /// <summary>
+    /// 获取资源对象
+    /// </summary>
+    /// <typeparam name="TAsset"></typeparam>
+    /// <param name="asset"></param>
+    public static AssetOperationHandle GetAssetObject<TAsset>(this AssetOperationHandle thisHandle, out TAsset asset) where TAsset : UnityEngine.Object
+    {
+        if (thisHandle.Status != EOperationStatus.Succeed)
+        {
+            var assetInfo = thisHandle.GetAssetInfo();
+            Debug.LogWarning($"The {assetInfo.AssetPath}[{assetInfo.AssetType}] is not success. Error[{thisHandle.LastError}]");
+        }
+        asset = thisHandle.AssetObject as TAsset;
+        return thisHandle;
+    }
+    */
+
+    /// <summary>
+    /// 等待异步执行完毕
+    /// </summary>
+    public static AssetOperationHandle WaitForAsyncOperationComplete(this AssetOperationHandle thisHandle)
+    {
+        thisHandle.WaitForAsyncComplete();
+        return thisHandle;
+    }
+}

Assets/Samples/ExtensionSample/Scripts/Runtime/AssetOperationHandleExtension.cs.meta

@@ -0,0 +1,11 @@
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+guid: c0893ac05d109894e9acb6deeb688ee5
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
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Assets/Samples/ExtensionSample/Scripts/Runtime/LoadAssetsByTagOperation.cs

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+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using YooAsset;
+
+public class LoadAssetsByTagOperation<TObject> : GameAsyncOperation where TObject : UnityEngine.Object
+{
+	private enum ESteps
+	{
+		None,
+		LoadAssets,
+		CheckResult,
+		Done,
+	}
+
+	private readonly string _tag;
+	private ESteps _steps = ESteps.None;
+	private List<AssetOperationHandle> _handles;
+
+	/// <summary>
+	/// 资源对象集合
+	/// </summary>
+	public List<TObject> AssetObjects { private set; get; }
+
+
+	public LoadAssetsByTagOperation(string tag)
+	{
+		_tag = tag;
+	}
+	protected override void OnStart()
+	{
+		_steps = ESteps.LoadAssets;
+	}
+	protected override void OnUpdate()
+	{
+		if (_steps == ESteps.None || _steps == ESteps.Done)
+			return;
+
+		if (_steps == ESteps.LoadAssets)
+		{
+			AssetInfo[] assetInfos = YooAssets.GetAssetInfos(_tag);
+			_handles = new List<AssetOperationHandle>(assetInfos.Length);
+			foreach (var assetInfo in assetInfos)
+			{
+				var handle = YooAssets.LoadAssetAsync(assetInfo);
+				_handles.Add(handle);
+			}
+			_steps = ESteps.CheckResult;
+		}
+
+		if (_steps == ESteps.CheckResult)
+		{
+			int index = 0;
+			foreach (var handle in _handles)
+			{			
+				if (handle.IsDone == false)
+				{
+					Progress = (float)index / _handles.Count;
+					return;
+				}
+				index++;
+			}
+
+			AssetObjects = new List<TObject>(_handles.Count);
+			foreach (var handle in _handles)
+			{
+				if (handle.Status == EOperationStatus.Succeed)
+				{
+					var assetObject = handle.AssetObject as TObject;
+					if (assetObject != null)
+					{
+						AssetObjects.Add(assetObject);
+					}
+					else
+					{
+						string error = $"资源类型转换失败：{handle.AssetObject.name}";
+						Debug.LogError($"{error}");
+						AssetObjects.Clear();
+						SetFinish(false, error);
+						return;
+					}
+				}
+				else
+				{
+					Debug.LogError($"{handle.LastError}");
+					AssetObjects.Clear();
+					SetFinish(false, handle.LastError);
+					return;
+				}
+			}
+
+			SetFinish(true);
+		}
+	}
+	private void SetFinish(bool succeed, string error = "")
+	{
+		Error = error;
+		Status = succeed ? EOperationStatus.Succeed : EOperationStatus.Failed;
+		_steps = ESteps.Done;
+	}
+
+	/// <summary>
+	/// 释放资源句柄
+	/// </summary>
+	public void ReleaseHandle()
+	{
+		foreach (var handle in _handles)
+		{
+			handle.Release();
+		}
+		_handles.Clear();
+	}
+}

Assets/Samples/ExtensionSample/Scripts/Runtime/LoadAssetsByTagOperation.cs.meta

@@ -0,0 +1,11 @@
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+guid: 35cd25a83a43dfb4093399183b31a0d0
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