初始化仓库

2026-02-07 19:38:49 +08:00
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+//------------------------------------------------------------
+// Game Framework
+// Copyright © 2013-2021 Jiang Yin. All rights reserved.
+// Homepage: https://gameframework.cn/
+// Feedback: mailto:ellan@gameframework.cn
+//------------------------------------------------------------
+
+using GameFramework;
+using GameFramework.DataTable;
+using System;
+using System.IO;
+using System.Text;
+using UnityEngine;
+
+namespace UnityGameFramework.Runtime
+{
+    /// <summary>
+    /// 默认数据表辅助器。
+    /// </summary>
+    public class DefaultDataTableHelper : DataTableHelperBase
+    {
+        private static readonly string BytesAssetExtension = ".bytes";
+
+        private ResourceComponent m_ResourceComponent = null;
+
+        /// <summary>
+        /// 读取数据表。
+        /// </summary>
+        /// <param name="dataTable">数据表。</param>
+        /// <param name="dataTableAssetName">数据表资源名称。</param>
+        /// <param name="dataTableAsset">数据表资源。</param>
+        /// <param name="userData">用户自定义数据。</param>
+        /// <returns>是否读取数据表成功。</returns>
+        public override bool ReadData(DataTableBase dataTable, string dataTableAssetName, object dataTableAsset, object userData)
+        {
+            TextAsset dataTableTextAsset = dataTableAsset as TextAsset;
+            if (dataTableTextAsset != null)
+            {
+                if (dataTableAssetName.EndsWith(BytesAssetExtension, StringComparison.Ordinal))
+                {
+                    return dataTable.ParseData(dataTableTextAsset.bytes, userData);
+                }
+                else
+                {
+                    return dataTable.ParseData(dataTableTextAsset.text, userData);
+                }
+            }
+
+            Log.Warning("Data table asset '{0}' is invalid.", dataTableAssetName);
+            return false;
+        }
+
+        /// <summary>
+        /// 读取数据表。
+        /// </summary>
+        /// <param name="dataTable">数据表。</param>
+        /// <param name="dataTableAssetName">数据表资源名称。</param>
+        /// <param name="dataTableBytes">数据表二进制流。</param>
+        /// <param name="startIndex">数据表二进制流的起始位置。</param>
+        /// <param name="length">数据表二进制流的长度。</param>
+        /// <param name="userData">用户自定义数据。</param>
+        /// <returns>是否读取数据表成功。</returns>
+        public override bool ReadData(DataTableBase dataTable, string dataTableAssetName, byte[] dataTableBytes, int startIndex, int length, object userData)
+        {
+            if (dataTableAssetName.EndsWith(BytesAssetExtension, StringComparison.Ordinal))
+            {
+                return dataTable.ParseData(dataTableBytes, startIndex, length, userData);
+            }
+            else
+            {
+                return dataTable.ParseData(Utility.Converter.GetString(dataTableBytes, startIndex, length), userData);
+            }
+        }
+
+        /// <summary>
+        /// 解析数据表。
+        /// </summary>
+        /// <param name="dataTable">数据表。</param>
+        /// <param name="dataTableString">要解析的数据表字符串。</param>
+        /// <param name="userData">用户自定义数据。</param>
+        /// <returns>是否解析数据表成功。</returns>
+        public override bool ParseData(DataTableBase dataTable, string dataTableString, object userData)
+        {
+            try
+            {
+                int position = 0;
+                string dataRowString = null;
+                while ((dataRowString = dataTableString.ReadLine(ref position)) != null)
+                {
+                    if (dataRowString[0] == '#')
+                    {
+                        continue;
+                    }
+
+                    if (!dataTable.AddDataRow(dataRowString, userData))
+                    {
+                        Log.Warning("Can not parse data row string '{0}'.", dataRowString);
+                        return false;
+                    }
+                }
+
+                return true;
+            }
+            catch (Exception exception)
+            {
+                Log.Warning("Can not parse data table string with exception '{0}'.", exception);
+                return false;
+            }
+        }
+
+        /// <summary>
+        /// 解析数据表。
+        /// </summary>
+        /// <param name="dataTable">数据表。</param>
+        /// <param name="dataTableBytes">要解析的数据表二进制流。</param>
+        /// <param name="startIndex">数据表二进制流的起始位置。</param>
+        /// <param name="length">数据表二进制流的长度。</param>
+        /// <param name="userData">用户自定义数据。</param>
+        /// <returns>是否解析数据表成功。</returns>
+        public override bool ParseData(DataTableBase dataTable, byte[] dataTableBytes, int startIndex, int length, object userData)
+        {
+            try
+            {
+                using (MemoryStream memoryStream = new MemoryStream(dataTableBytes, startIndex, length, false))
+                {
+                    using (BinaryReader binaryReader = new BinaryReader(memoryStream, Encoding.UTF8))
+                    {
+                        while (binaryReader.BaseStream.Position < binaryReader.BaseStream.Length)
+                        {
+                            int dataRowBytesLength = binaryReader.Read7BitEncodedInt32();
+                            if (!dataTable.AddDataRow(dataTableBytes, (int)binaryReader.BaseStream.Position, dataRowBytesLength, userData))
+                            {
+                                Log.Warning("Can not parse data row bytes.");
+                                return false;
+                            }
+
+                            binaryReader.BaseStream.Position += dataRowBytesLength;
+                        }
+                    }
+                }
+
+                return true;
+            }
+            catch (Exception exception)
+            {
+                Log.Warning("Can not parse dictionary bytes with exception '{0}'.", exception);
+                return false;
+            }
+        }
+
+        /// <summary>
+        /// 释放数据表资源。
+        /// </summary>
+        /// <param name="dataTable">数据表。</param>
+        /// <param name="dataTableAsset">要释放的数据表资源。</param>
+        public override void ReleaseDataAsset(DataTableBase dataTable, object dataTableAsset)
+        {
+            m_ResourceComponent.UnloadAsset(dataTableAsset);
+        }
+
+        private void Start()
+        {
+            m_ResourceComponent = GameEntry.GetComponent<ResourceComponent>();
+            if (m_ResourceComponent == null)
+            {
+                Log.Fatal("Resource component is invalid.");
+                return;
+            }
+        }
+    }
+}