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2026-10-14 19:39:24 +08:00
parent 4fd5a3bd45
commit 8498afd5cf
202 changed files with 12624 additions and 236 deletions
@@ -0,0 +1,99 @@
+using System;
+using System.Collections;
+using UnityEngine;
+using UnityEngine.AddressableAssets;
+using UnityEngine.ResourceManagement.AsyncOperations;
+using UnityEngine.UI;
+
+public class DownAddress : MonoBehaviour
+{
+    public string preloadLabel = "XJMH";
+    public Image image;
+
+    public void Awake()
+    {
+        image = GetComponent<Image>();
+    }
+
+    public void XZ()
+    {
+        StartCoroutine(StartDownload());
+    }
+
+    IEnumerator StartDownload()
+    {
+        // 1. 获取大小
+        long size = 0;
+        yield return DownloadManager.Instance.GetSize(preloadLabel, s => size = s);
+
+        if (size <= 0)
+        {
+            Debug.Log("无需下载");
+            yield break;
+        }
+
+        Debug.Log($"需要下载 {size / 1024f / 1024f:F2} MB");
+
+        // 2. 下载
+        yield return DownloadManager.Instance.DownloadLabel(
+            preloadLabel,
+            progress =>
+            {
+                image.fillAmount = progress;
+            },
+            success =>
+            {
+                Debug.Log(success ? "下载完成" : "下载失败");
+            }
+        );
+    }
+}
+
+
+public class DownloadManager : Singleton<DownloadManager>
+{
+    /// <summary>
+    /// 获取某个 Label 的下载大小（字节）
+    /// </summary>
+    public IEnumerator GetSize(string label, Action<long> callback)
+    {
+        var handle = Addressables.GetDownloadSizeAsync(label);
+        yield return handle;
+
+        long size = 0;
+
+        if (handle.Status == AsyncOperationStatus.Succeeded)
+            size = handle.Result;
+        else
+            Debug.LogError($"GetSize 失败：{label}");
+
+        callback?.Invoke(size);
+
+        Addressables.Release(handle);
+    }
+
+    /// <summary>
+    /// 下载某个 Label 的所有资源
+    /// </summary>
+    public IEnumerator DownloadLabel(string label, Action<float> onProgress, Action<bool> onFinished)
+    {
+        // 不要自动释放
+        var handle = Addressables.DownloadDependenciesAsync(label, false);
+
+        while (!handle.IsDone)
+        {
+            onProgress?.Invoke(handle.PercentComplete);
+            yield return null;
+        }
+
+        bool success = handle.Status == AsyncOperationStatus.Succeeded;
+
+        if (!success)
+            Debug.LogError($"下载失败：{label}");
+
+        onFinished?.Invoke(success);
+
+        Addressables.Release(handle);
+    }
+}
+