增加Unity日志重定向，可在编辑器内双击打开日志输出处。 (#500)

增加Unity日志重定向，可在编辑器内双击打开日志输出处。

Unity/Assets/Scripts/Editor/LogRedirection.meta

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Unity/Assets/Scripts/Editor/LogRedirection/LogRedirection.cs

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+using System;
+using System.Reflection;
+using System.Text.RegularExpressions;
+using UnityEditor;
+using UnityEditor.Callbacks;
+using UnityEditorInternal;
+
+namespace ET
+{
+    /// <summary>
+    /// 日志重定向相关的实用函数。
+    /// </summary>
+    internal static class LogRedirection
+    {
+        [OnOpenAsset(0)]
+        private static bool OnOpenAsset(int instanceID, int line)
+        {
+            if (line <= 0)
+            {
+                return false;
+            }
+            var stackTrace = GetStackTrace();
+            if (!string.IsNullOrEmpty(stackTrace))
+            {
+                // 使用正则表达式匹配at的哪个脚本的哪一行
+                var matches = Regex.Match(stackTrace, @"\(at (.+)\)",
+                    RegexOptions.IgnoreCase);
+                while (matches.Success)
+                {
+                    var pathLine = matches.Groups[1].Value;
+
+                    if (!pathLine.Contains("Log.cs") && 
+                        !pathLine.Contains("UnityLogger.cs") &&
+                        !pathLine.Contains("YooLogger.cs:"))
+                    {
+                        var splitIndex = pathLine.LastIndexOf(":", StringComparison.Ordinal);
+                        // 脚本路径
+                        var path = pathLine.Substring(0, splitIndex);
+                        // 行号
+                        line = Convert.ToInt32(pathLine.Substring(splitIndex + 1));
+                        var fullPath = UnityEngine.Application.dataPath.Substring(0, UnityEngine.Application.dataPath.LastIndexOf("Assets", StringComparison.Ordinal));
+                        fullPath = $"{fullPath}{path}";
+                        // 跳转到目标代码的特定行
+                        InternalEditorUtility.OpenFileAtLineExternal(fullPath.Replace('/', '\\'), line);
+                        break;
+                    }
+
+                    matches = matches.NextMatch();
+                }
+
+                return true;
+            }
+
+            return false;
+        }
+
+        /// <summary>
+        /// 获取当前日志窗口选中的日志的堆栈信息。
+        /// </summary>
+        /// <returns>选中日志的堆栈信息实例。</returns>
+        private static string GetStackTrace()
+        {
+            // 通过反射获取ConsoleWindow类
+            var consoleWindowType = typeof(EditorWindow).Assembly.GetType("UnityEditor.ConsoleWindow");
+            // 获取窗口实例
+            var fieldInfo = consoleWindowType.GetField("ms_ConsoleWindow",
+                BindingFlags.Static |
+                BindingFlags.NonPublic);
+            if (fieldInfo != null)
+            {
+                var consoleInstance = fieldInfo.GetValue(null);
+                if (consoleInstance != null)
+                    if (EditorWindow.focusedWindow == (EditorWindow)consoleInstance)
+                    {
+                        // 获取m_ActiveText成员
+                        fieldInfo = consoleWindowType.GetField("m_ActiveText",
+                            BindingFlags.Instance |
+                            BindingFlags.NonPublic);
+                        // 获取m_ActiveText的值
+                        if (fieldInfo != null)
+                        {
+                            var activeText = fieldInfo.GetValue(consoleInstance).ToString();
+                            return activeText;
+                        }
+                    }
+            }
+
+            return null;
+        }
+    }
+}

Unity/Assets/Scripts/Editor/LogRedirection/LogRedirection.cs.meta

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