_Patch6 (string) (wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:...
错误信息
Exception filling window for RimWorld.Page_SelectScenario: System.NullReferenceException: Object reference not set to an instance of an object
[Ref 808C2C37] Duplicate stacktrace, see ref for original
UnityEngine.StackTraceUtility:ExtractStackTrace ()
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Log.Error_Patch6 (string)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Window.InnerWindowOnGUI_Patch1 (Verse.Window,int)
UnityEngine.GUI:CallWindowDelegate (UnityEngine.GUI/WindowFunction,int,int,UnityEngine.GUISkin,int,single,single,UnityEngine.GUIStyle)
AI 解决方案
🚨 错误分析
1. 🌐 错误翻译
原文:Exception filling window for RimWorld.Page_SelectScenario: System.NullReferenceException: Object reference not set to an instance of an object
[Ref 808C2C37] Duplicate stacktrace, see ref for original
UnityEngine.StackTraceUtility:ExtractStackTrace ()
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Log.Error_Patch6 (string)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Window.InnerWindowOnGUI_Patch1 (Verse.Window,int)
UnityEngine.GUI:CallWindowDelegate (UnityEngine.GUI/WindowFunction,int,int,UnityEngine.GUISkin,int,single,single,UnityEngine.GUIStyle)
译文:在填充RimWorld.Page_SelectScenario窗口时发生异常:System.NullReferenceException:未将对象引用设置为对象的实例
[Ref 808C2C37] 重复的堆栈跟踪,请参阅引用以获取原始信息
UnityEngine.StackTraceUtility:ExtractStackTrace ()
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Log.Error_Patch6 (string)
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Window.InnerWindowOnGUI_Patch1 (Verse.Window,int)
UnityEngine.GUI:CallWindowDelegate (UnityEngine.GUI/WindowFunction,int,int,UnityEngine.GUISkin,int,single,single,UnityEngine.GUIStyle)
2. 🎯 原因分析
RimWorld.Page_SelectScenario窗口的填充过程中,具体发生在Verse.Window.InnerWindowOnGUI_Patch1方法中3. 💡 解决方案
由于这是Unity/RimWorld的特定错误,且错误发生在MonoMod补丁中,以下是修复建议:
// 在Page_SelectScenario的相关代码中,添加空值检查
public class Page_SelectScenario : Window
{
// 添加对关键对象的空值检查
private void InnerWindowOnGUI()
{
// 检查关键对象是否已初始化
if (this == null)
{
Verse.Log.Error("Page_SelectScenario instance is null!");
return;
}
// 对可能为空的对象进行防御性编程
if (referenceTarget == null)
{
// 重新初始化或跳过渲染
referenceTarget = new YourExpectedType();
}
// 原有GUI代码放在这里
// GUI code...
}
}
4. 🛡️ 预防措施
- 防御性编程:在访问任何对象引用前,始终进行空值检查,特别是从外部依赖或补丁框架获取的对象
- 日志记录:在关键操作前添加详细的日志记录,便于快速定位空引用的具体来源
- 单元测试:为UI窗口逻辑编写单元测试,确保对象在各种状态下都能正确初始化
- 使用调试工具:推荐使用Unity调试器和Visual Studio的调试功能,检查对象生命周期,或使用ILSpy等工具分析MonoMod补丁的行为
- 代码审查:在修改窗口逻辑或应用补丁时,仔细检查对象初始化顺序和依赖关系