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Assets/Scripts/Runtime/YooAsset/PatchLogic/FsmNode/FsmDownloadPackageFiles.cs

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+using System.Collections;
+using UnityEngine;
+using UniFramework.Machine;
+using YooAsset;
+
+public class FsmDownloadPackageFiles : IStateNode
+{
+    private StateMachine _machine;
+    PatchOperationData data;
+    void IStateNode.OnCreate(StateMachine machine)
+    {
+        _machine = machine;
+    }
+    void IStateNode.OnEnter()
+    {
+        data = (PatchOperationData)_machine.GetBlackboardValue("PatchOperationData");
+        Debug.Log($"{data.packageName}开始下载资源文件");
+        GameManager.Inst.StartCoroutine(BeginDownload());
+    }
+    void IStateNode.OnUpdate()
+    {
+    }
+    void IStateNode.OnExit()
+    {
+    }
+
+    private IEnumerator BeginDownload()
+    {
+        var downloader = (ResourceDownloaderOperation)_machine.GetBlackboardValue($"{data.packageName}_Downloader");
+        downloader.BeginDownload();
+        yield return downloader;
+
+        // 检测下载结果
+        if (downloader.Status != EOperationStatus.Succeed)
+        {
+            MessageBox.Show()
+                    .SetTitle(data.packageName)
+                    .SetContent($"下载失败{downloader.Error}")
+                    .AddButton("退出", (box) => { Application.Quit(); });
+            yield break;
+        }
+        _machine.ChangeState<FsmDownloadPackageOver>();
+    }
+}