更新demo

2025-08-14 16:51:28 +00:00 · 2024-03-18 15:35:15 +08:00
parent 17a5d7425c
commit a2255b80cd
1028 changed files with 55353 additions and 35278 deletions
--- a/UnityProject/Packages/YooAsset/Runtime/DownloadSystem/Requester/FileGeneralRequest.cs
+++ b/UnityProject/Packages/YooAsset/Runtime/DownloadSystem/Requester/FileGeneralRequest.cs
@@ -0,0 +1,107 @@
+using System.IO;
+using UnityEngine.Networking;
+
+namespace YooAsset
+{
+    internal class FileGeneralRequest : IWebRequester
+    {
+        private UnityWebRequest _webRequest;
+
+        public ERequestStatus Status { private set; get; } = ERequestStatus.None;
+        public float DownloadProgress { private set; get; }
+        public ulong DownloadedBytes { private set; get; }
+        public string RequestNetError { private set; get; }
+        public long RequestHttpCode { private set; get; }
+
+        public FileGeneralRequest() { }
+        public void Create(string requestURL, BundleInfo bundleInfo, params object[] args)
+        {
+            if (Status != ERequestStatus.None)
+                throw new System.Exception("Should never get here !");
+
+            string tempFilePath = bundleInfo.TempDataFilePath;
+
+            // 删除临时文件
+            if (File.Exists(tempFilePath))
+                File.Delete(tempFilePath);
+
+            // 创建下载器
+            _webRequest = DownloadHelper.NewRequest(requestURL);
+            DownloadHandlerFile handler = new DownloadHandlerFile(tempFilePath);
+            handler.removeFileOnAbort = true;
+            _webRequest.downloadHandler = handler;
+            _webRequest.disposeDownloadHandlerOnDispose = true;
+            _webRequest.SendWebRequest();
+            Status = ERequestStatus.InProgress;
+        }
+        public void Update()
+        {
+            if (Status == ERequestStatus.None)
+                return;
+            if (IsDone())
+                return;
+
+            DownloadProgress = _webRequest.downloadProgress;
+            DownloadedBytes = _webRequest.downloadedBytes;
+            if (_webRequest.isDone == false)
+                return;
+
+            // 检查网络错误
+#if UNITY_2020_3_OR_NEWER
+            RequestHttpCode = _webRequest.responseCode;
+            if (_webRequest.result != UnityWebRequest.Result.Success)
+            {
+                RequestNetError = _webRequest.error;
+                Status = ERequestStatus.Error;
+            }
+            else
+            {
+                Status = ERequestStatus.Success;
+            }
+#else
+            RequestHttpCode = _webRequest.responseCode;
+            if (_webRequest.isNetworkError || _webRequest.isHttpError)
+            {
+                RequestNetError = _webRequest.error;
+                Status = ERequestStatus.Error;
+            }
+            else
+            {
+                Status = ERequestStatus.Success;
+            }
+#endif
+
+            // 最终释放下载器
+            DisposeWebRequest();
+        }
+        public void Abort()
+        {
+            DisposeWebRequest();
+            if (IsDone() == false)
+            {
+                RequestNetError = "user abort";
+                RequestHttpCode = 0;
+                Status = ERequestStatus.Error;
+            }
+        }
+        public bool IsDone()
+        {
+            if (Status == ERequestStatus.Success || Status == ERequestStatus.Error)
+                return true;
+            else
+                return false;
+        }
+        public object GetRequestObject()
+        {
+            throw new System.NotImplementedException();
+        }
+        private void DisposeWebRequest()
+        {
+            if (_webRequest != null)
+            {
+                _webRequest.Dispose(); //注意：引擎底层会自动调用Abort方法
+                _webRequest = null;
+            }
+        }
+    }
+}