Init TEngine4.0.0

Init TEngine4.0.0

UnityProject/Packages/YooAsset/Runtime/PackageSystem/AssetInfo.cs

@@ -0,0 +1,108 @@
+
+namespace YooAsset
+{
+	public class AssetInfo
+	{
+		private readonly PackageAsset _packageAsset;
+		private string _providerGUID;
+
+		/// <summary>
+		/// 资源类型
+		/// </summary>
+		public System.Type AssetType { private set; get; }
+
+		/// <summary>
+		/// 错误信息
+		/// </summary>
+		public string Error { private set; get; }
+
+
+		/// <summary>
+		/// 唯一标识符
+		/// </summary>
+		internal string GUID
+		{
+			get
+			{
+				if (string.IsNullOrEmpty(_providerGUID) == false)
+					return _providerGUID;
+
+				if (AssetType == null)
+					_providerGUID = $"{AssetPath}[null]";
+				else
+					_providerGUID = $"{AssetPath}[{AssetType.Name}]";
+				return _providerGUID;
+			}
+		}
+
+		/// <summary>
+		/// 身份是否无效
+		/// </summary>
+		internal bool IsInvalid
+		{
+			get
+			{
+				return _packageAsset == null;
+			}
+		}
+
+		/// <summary>
+		/// 可寻址地址
+		/// </summary>
+		public string Address
+		{
+			get
+			{
+				if (_packageAsset == null)
+					return string.Empty;
+				return _packageAsset.Address;
+			}
+		}
+
+		/// <summary>
+		/// 资源路径
+		/// </summary>
+		public string AssetPath
+		{
+			get
+			{
+				if (_packageAsset == null)
+					return string.Empty;
+				return _packageAsset.AssetPath;
+			}
+		}
+
+
+		private AssetInfo()
+		{
+			// 注意：禁止从外部创建该类
+		}
+		internal AssetInfo(PackageAsset packageAsset, System.Type assetType)
+		{
+			if (packageAsset == null)
+				throw new System.Exception("Should never get here !");
+
+			_providerGUID = string.Empty;
+			_packageAsset = packageAsset;
+			AssetType = assetType;
+			Error = string.Empty;
+		}
+		internal AssetInfo(PackageAsset packageAsset)
+		{
+			if (packageAsset == null)
+				throw new System.Exception("Should never get here !");
+
+			_providerGUID = string.Empty;
+			_packageAsset = packageAsset;
+			AssetType = null;
+			Error = string.Empty;
+		}
+		internal AssetInfo(string error)
+		{
+			_providerGUID = string.Empty;
+			_packageAsset = null;
+			AssetType = null;
+			Error = error;
+		}
+	}
+}