102 lines
3.1 KiB
C#
102 lines
3.1 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.AddressableAssets;
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using UnityEngine.AddressableAssets.ResourceLocators;
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using UnityEngine.ResourceManagement.ResourceLocations;
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using UnityEngine.ResourceManagement.AsyncOperations;
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using UnityEngine.ResourceManagement.ResourceProviders;
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public class AddressableUpdater : MonoBehaviour
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{
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public string remoteCatalogUrl; // CDN catalog 路径
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public Action<float> OnProgressChanged; // 进度更新回调 0~1
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public Action<float> OnSpeedChanged; // 下载速度更新 (KB/s)
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public Action<float> OnDownloadSizeFetched; // 总下载大小回调 (MB)
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public Action OnCompleted; // 下载完成
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private float lastDownloadedBytes = 0;
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private float updateCheckInterval = 0.5f;
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void Start()
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{
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StartCoroutine(UpdateAddressables());
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}
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IEnumerator UpdateAddressables()
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{
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// 1. 初始化 Addressables
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var initHandle = Addressables.InitializeAsync();
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yield return initHandle;
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// 2. 更新 Catalog
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var catalogHandle = Addressables.UpdateCatalogs();
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yield return catalogHandle;
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List<IResourceLocator> catalogs = catalogHandle.Result;
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// 3. 获取资源下载大小
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var sizeHandle = Addressables.GetDownloadSizeAsync(Addressables.ResourceManager.ResourceProviders);
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yield return sizeHandle;
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long totalDownloadSize = sizeHandle.Result;
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if (totalDownloadSize <= 0)
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{
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Debug.Log("无需更新");
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OnCompleted?.Invoke();
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yield break;
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}
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OnDownloadSizeFetched?.Invoke(totalDownloadSize / (1024f * 1024f)); // MB
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// 4. 开始下载所有资源
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var downloadHandle = Addressables.DownloadDependenciesAsync(Addressables.ResourceManager.ResourceProviders, true);
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StartCoroutine(TrackDownloadProgress(downloadHandle, totalDownloadSize));
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yield return downloadHandle;
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if (downloadHandle.Status == AsyncOperationStatus.Succeeded)
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{
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Debug.Log("热更完成！");
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OnCompleted?.Invoke();
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}
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else
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{
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Debug.LogError("热更失败！");
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}
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}
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IEnumerator TrackDownloadProgress(AsyncOperationHandle handle, long totalSize)
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{
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float lastTime = Time.realtimeSinceStartup;
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float lastDownloaded = 0;
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while (!handle.IsDone)
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{
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float percent = handle.PercentComplete;
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OnProgressChanged?.Invoke(percent);
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float currentTime = Time.realtimeSinceStartup;
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float elapsed = currentTime - lastTime;
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if (elapsed >= updateCheckInterval)
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{
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float currentDownloaded = percent * totalSize;
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float speed = (currentDownloaded - lastDownloaded) / elapsed / 1024f; // KB/s
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OnSpeedChanged?.Invoke(speed);
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lastTime = currentTime;
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lastDownloaded = currentDownloaded;
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}
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yield return null;
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}
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OnProgressChanged?.Invoke(1f);
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OnSpeedChanged?.Invoke(0);
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}
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}
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