Optimized asset system and patch system framework

优化了资源定位不正确导致的错误报告方式。
YooAssets.ProcessOperation()重命名为YooAssets.StartOperation()
YooAssets.GetBundleInfo()已经移除方法。
YooAssets.IsNeedDownloadFromRemote()新增加方法。

Assets/YooAsset/Runtime/AssetSystem/Operations/RawFileOperation.cs

@@ -7,7 +7,7 @@ namespace YooAsset
 	/// </summary>
 	public abstract class RawFileOperation : AsyncOperationBase
 	{
-		protected readonly BundleInfo _bundleInfo;
+		internal readonly BundleInfo _bundleInfo;
 
 		/// <summary>
 		/// 原生文件的拷贝路径
@@ -49,6 +49,34 @@ namespace YooAsset
 		}
 	}
 
+	/// <summary>
+	/// 发生错误的原生文件操作
+	/// </summary>
+	internal sealed class CompletedRawFileOperation : RawFileOperation
+	{
+		private readonly string _error;
+		internal CompletedRawFileOperation(string error, string copyPath) : base(null, copyPath)
+		{
+			_error = error;
+		}
+		internal override void Start()
+		{
+			Status = EOperationStatus.Failed;
+			Error = _error;
+		}
+		internal override void Update()
+		{
+		}
+
+		/// <summary>
+		/// 原生文件的缓存路径
+		/// </summary>
+		public override string GetCachePath()
+		{
+			return string.Empty;
+		}
+	}
+
 	/// <summary>
 	/// 编辑器下模拟运行的原生文件操作
 	/// </summary>