refactor the runtime code

重构了运行时代码，支持全新的文件系统。
2024-07-04 20:36:26 +08:00
parent 2987d356b6
commit ff02da5c54
313 changed files with 9889 additions and 7234 deletions
@@ -0,0 +1,103 @@
+using System;
+using System.Collections;
+using System.Collections.Concurrent;
+using UnityEngine.Networking;
+using UnityEngine;
+
+namespace YooAsset
+{
+    internal abstract class UnityWebRequestOperation : AsyncOperationBase
+    {
+        protected enum ESteps
+        {
+            None,
+            CreateRequest,
+            Download,
+            Done,
+        }
+
+        protected UnityWebRequest _webRequest;
+        protected readonly string _requestURL;
+        protected ESteps _steps = ESteps.None;
+
+        // 超时相关
+        protected readonly float _timeout;
+        protected ulong _latestDownloadBytes;
+        protected float _latestDownloadRealtime;
+        private bool _isAbort = false;
+
+        public string URL
+        {
+            get { return _requestURL; }
+        }
+
+        internal UnityWebRequestOperation(string url, int timeout)
+        {
+            _requestURL = url;
+            _timeout = timeout;
+        }
+
+        /// <summary>
+        /// 释放下载器
+        /// </summary>
+        protected void DisposeRequest()
+        {
+            if (_webRequest != null)
+            {
+                _webRequest.Dispose();
+                _webRequest = null;
+            }
+        }
+
+        /// <summary>
+        /// 检测超时
+        /// </summary>
+        protected void CheckRequestTimeout()
+        {
+            // 注意：在连续时间段内无新增下载数据及判定为超时
+            if (_isAbort == false)
+            {
+                if (_latestDownloadBytes != _webRequest.downloadedBytes)
+                {
+                    _latestDownloadBytes = _webRequest.downloadedBytes;
+                    _latestDownloadRealtime = Time.realtimeSinceStartup;
+                }
+
+                float offset = Time.realtimeSinceStartup - _latestDownloadRealtime;
+                if (offset > _timeout)
+                {
+                    _webRequest.Abort();
+                    _isAbort = true;
+                }
+            }
+        }
+
+        /// <summary>
+        /// 检测请求结果
+        /// </summary>
+        protected bool CheckRequestResult()
+        {
+#if UNITY_2020_3_OR_NEWER
+            if (_webRequest.result != UnityWebRequest.Result.Success)
+            {
+                Error = $"URL : {_requestURL} Error : {_webRequest.error}";
+                return false;
+            }
+            else
+            {
+                return true;
+            }
+#else
+            if (_webRequest.isNetworkError || _webRequest.isHttpError)
+            {
+                Error = $"URL : {_requestURL} Error : {_webRequest.error}";
+                return false;
+            }
+            else
+            {
+                return true;
+            }
+#endif
+        }
+    }
+}