yoo2.2,9

yoo2.2,9

UnityProject/Packages/YooAsset/Runtime/DownloadSystem/DownloadSystemHelper.cs

@@ -0,0 +1,83 @@
+using UnityEngine.Networking;
+
+namespace YooAsset
+{
+    /// <summary>
+    /// 自定义下载器的请求委托
+    /// </summary>
+    public delegate UnityWebRequest UnityWebRequestDelegate(string url);
+
+    internal class DownloadSystemHelper
+    {
+        public static UnityWebRequestDelegate UnityWebRequestCreater = null;
+        public static UnityWebRequest NewUnityWebRequestGet(string requestURL)
+        {
+            UnityWebRequest webRequest;
+            if (UnityWebRequestCreater != null)
+                webRequest = UnityWebRequestCreater.Invoke(requestURL);
+            else
+                webRequest = new UnityWebRequest(requestURL, UnityWebRequest.kHttpVerbGET);
+            return webRequest;
+        }
+
+        /// <summary>
+        /// 获取WWW加载本地资源的路径
+        /// </summary>
+        public static string ConvertToWWWPath(string path)
+        {
+            string url;
+
+            // 获取对应平台的URL地址
+#if UNITY_EDITOR
+            url = StringUtility.Format("file:///{0}", path);
+#elif UNITY_WEBGL
+            url = path;
+#elif UNITY_IPHONE
+            url = StringUtility.Format("file://{0}", path);
+#elif UNITY_ANDROID
+            if (path.StartsWith("jar:file://"))
+                url = path;
+            else
+                url = StringUtility.Format("jar:file://{0}", path);
+#elif UNITY_OPENHARMONY
+            if (UnityEngine.Application.streamingAssetsPath.StartsWith("jar:file://"))
+            {
+                if (path.StartsWith("jar:file://"))
+                    url = path;
+                else
+                    url = StringUtility.Format("jar:file://{0}", path);
+            }
+            else
+            {
+                if (path.StartsWith("file://"))
+                    url = path;
+                else
+                    url = StringUtility.Format("file://{0}", path);
+            }
+#elif UNITY_STANDALONE_OSX
+            url = new System.Uri(path).ToString();
+#elif UNITY_STANDALONE
+            url = StringUtility.Format("file:///{0}", path);
+#else
+            throw new System.NotImplementedException();
+#endif
+
+            // For some special cases when users have special characters in their devices, url paths can not be identified correctly.
+            return url.Replace("+", "%2B").Replace("#", "%23").Replace("?", "%3F");
+        }
+
+        /// <summary>
+        /// 是否请求的本地文件
+        /// </summary>
+        public static bool IsRequestLocalFile(string url)
+        {
+            //TODO UNITY_STANDALONE_OSX平台目前无法确定
+            if (url.StartsWith("file:"))
+                return true;
+            if (url.StartsWith("jar:file:"))
+                return true;
+
+            return false;
+        }
+    }
+}