Update samples

Assets/Samples~/BasicSample/Script/Runtime/PatchUpdater/FsmNode/FsmCreateDownloader.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using YooAsset;
+
+public class FsmCreateDownloader : IFsmNode
+{
+	public string Name { private set; get; } = nameof(FsmCreateDownloader);
+
+	void IFsmNode.OnEnter()
+	{
+		PatchEventDispatcher.SendPatchStepsChangeMsg(EPatchStates.CreateDownloader);
+		BootScene.Instance.StartCoroutine(CreateDownloader());
+	}
+	void IFsmNode.OnUpdate()
+	{
+	}
+	void IFsmNode.OnExit()
+	{
+	}
+
+	IEnumerator CreateDownloader()
+	{
+		yield return new WaitForSecondsRealtime(0.5f);
+
+		Debug.Log("创建补丁下载器.");
+		int downloadingMaxNum = 10;
+		int failedTryAgain = 3;
+		PatchUpdater.Downloader = YooAssets.CreatePatchDownloader(downloadingMaxNum, failedTryAgain);
+		if (PatchUpdater.Downloader.TotalDownloadCount == 0)
+		{
+			Debug.Log("没有发现需要下载的资源");
+			FsmManager.Transition(nameof(FsmPatchDone));
+		}
+		else
+		{
+			Debug.Log($"一共发现了{PatchUpdater.Downloader.TotalDownloadCount}个资源需要更新下载。");
+
+			// 发现新更新文件后，挂起流程系统
+			// 注意：开发者需要在下载前检测磁盘空间不足
+			int totalDownloadCount = PatchUpdater.Downloader.TotalDownloadCount;
+			long totalDownloadBytes = PatchUpdater.Downloader.TotalDownloadBytes;
+			PatchEventDispatcher.SendFoundUpdateFilesMsg(totalDownloadCount, totalDownloadBytes);
+		}
+	}
+}