Merge pull request #70 from HXiaoMing/feat-custom-download-request

feat(DownloadSystem):支持自定义下载请求

Assets/YooAsset/Runtime/DownloadSystem/DownloadRequestDelegate.cs

@@ -0,0 +1,28 @@
+using JetBrains.Annotations;
+using UnityEngine.Networking;
+
+namespace YooAsset
+{
+    public delegate UnityWebRequest DownloadRequestDelegate(string url);
+
+    /// <summary>
+    /// 自定义下载器的请求
+    /// </summary>
+    internal static class DownloadRequestUtil
+    {
+        
+        [CanBeNull] private static DownloadRequestDelegate _downloadRequestDelegate;
+
+        public static void SetRequestDelegate(DownloadRequestDelegate requestDelegate)
+        {
+            _downloadRequestDelegate = requestDelegate;
+        }
+
+        public static UnityWebRequest NewRequest(string requestURL)
+        {
+            return _downloadRequestDelegate != null
+                ? _downloadRequestDelegate?.Invoke(requestURL)
+                : new UnityWebRequest(requestURL, UnityWebRequest.kHttpVerbGET);
+        }
+    }
+}

Assets/YooAsset/Runtime/DownloadSystem/DownloadRequestDelegate.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 3b21da9f048045e2af56d9d396b11c2f
+timeCreated: 1677207036

Assets/YooAsset/Runtime/DownloadSystem/DownloadSystem.cs

@@ -32,6 +32,15 @@ namespace YooAsset
 		/// </summary>
 		public static List<long> ClearFileResponseCodes { set; get; }
 
+		/// <summary>
+		/// 自定义下载请求
+		/// </summary>
+		/// <param name="requestDelegate"></param>
+		public static void SetRequestDelegate(DownloadRequestDelegate requestDelegate)
+		{
+			DownloadRequestUtil.SetRequestDelegate(requestDelegate);
+		}
+
 		/// <summary>
 		/// 更新所有下载器
 		/// </summary>

Assets/YooAsset/Runtime/DownloadSystem/Downloader/FileDownloader.cs

@@ -80,7 +80,7 @@ namespace YooAsset
 				if (File.Exists(_tempFilePath))
 					File.Delete(_tempFilePath);
 
-				_webRequest = new UnityWebRequest(_requestURL, UnityWebRequest.kHttpVerbGET);
+				_webRequest = DownloadRequestUtil.NewRequest(_requestURL);
 				DownloadHandlerFile handler = new DownloadHandlerFile(_tempFilePath);
 				handler.removeFileOnAbort = true;
 				_webRequest.downloadHandler = handler;
@@ -109,11 +109,11 @@ namespace YooAsset
 				}
 
 #if UNITY_2019_4_OR_NEWER
-				_webRequest = new UnityWebRequest(_requestURL, UnityWebRequest.kHttpVerbGET);
+				_webRequest = DownloadRequestUtil.NewRequest(_requestURL);
 				var handler = new DownloadHandlerFile(_tempFilePath, true);
 				handler.removeFileOnAbort = false;
 #else
-				_webRequest = new UnityWebRequest(_requestURL, UnityWebRequest.kHttpVerbGET);
+				_webRequest = UnityWebRequestUtil.NewRequest(_requestURL);
 				var handler = new DownloadHandlerFileRange(_tempFilePath, _bundleInfo.Bundle.FileSize, _webRequest);
 				_downloadHandle = handler;
 #endif

Assets/YooAsset/Runtime/DownloadSystem/UnityWebDataRequester.cs

@@ -29,7 +29,7 @@ namespace YooAsset
 			if (_webRequest == null)
 			{
 				URL = url;
-				_webRequest = new UnityWebRequest(URL, UnityWebRequest.kHttpVerbGET);
+				_webRequest = DownloadRequestUtil.NewRequest(URL);
 				DownloadHandlerBuffer handler = new DownloadHandlerBuffer();
 				_webRequest.downloadHandler = handler;
 				_webRequest.disposeDownloadHandlerOnDispose = true;

Assets/YooAsset/Runtime/DownloadSystem/UnityWebFileRequester.cs

@@ -39,7 +39,7 @@ namespace YooAsset
 				_latestDownloadBytes = 0;
 				_latestDownloadRealtime = Time.realtimeSinceStartup;
 
-				_webRequest = new UnityWebRequest(URL, UnityWebRequest.kHttpVerbGET);
+				_webRequest = DownloadRequestUtil.NewRequest(URL);
 				DownloadHandlerFile handler = new DownloadHandlerFile(savePath);
 				handler.removeFileOnAbort = true;
 				_webRequest.downloadHandler = handler;

Assets/YooAsset/Runtime/YooAssets.cs

@@ -168,6 +168,15 @@ namespace YooAsset
 			DownloadSystem.BreakpointResumeFileSize = fileBytes;
 		}
 
+		/// <summary>
+		/// 自定义下载请求
+		/// </summary>
+		/// <param name="requestDelegate"></param>
+		public static void SetDownloadSystemUnityWebRequest(DownloadRequestDelegate requestDelegate)
+		{
+			DownloadSystem.SetRequestDelegate(requestDelegate);
+		}
+
 		/// <summary>
 		/// 设置下载系统参数，下载失败后清理文件的HTTP错误码
 		/// </summary>