{"record":{"id":"6be25a80c0427186","repo":"EllanJiang/GameFramework","slug":"sound-helper-is-invalid-soundmanager","errorCode":null,"errorMessage":"Sound helper is invalid.","messagePattern":"Sound helper is invalid\\.","errorType":"exception","errorClass":"GameFrameworkException","httpStatus":null,"severity":"error","filePath":"GameFramework/Sound/SoundManager.cs","lineNumber":162,"sourceCode":"        public void SetResourceManager(IResourceManager resourceManager)\n        {\n            if (resourceManager == null)\n            {\n                throw new GameFrameworkException(\"Resource manager is invalid.\");\n            }\n\n            m_ResourceManager = resourceManager;\n        }\n\n        /// <summary>\n        /// 设置声音辅助器。\n        /// </summary>\n        /// <param name=\"soundHelper\">声音辅助器。</param>\n        public void SetSoundHelper(ISoundHelper soundHelper)\n        {\n            if (soundHelper == null)\n            {\n                throw new GameFrameworkException(\"Sound helper is invalid.\");\n            }\n\n            m_SoundHelper = soundHelper;\n        }\n\n        /// <summary>\n        /// 是否存在指定声音组。\n        /// </summary>\n        /// <param name=\"soundGroupName\">声音组名称。</param>\n        /// <returns>指定声音组是否存在。</returns>\n        public bool HasSoundGroup(string soundGroupName)\n        {\n            if (string.IsNullOrEmpty(soundGroupName))\n            {\n                throw new GameFrameworkException(\"Sound group name is invalid.\");\n            }\n\n            return m_SoundGroups.ContainsKey(soundGroupName);","sourceCodeStart":144,"sourceCodeEnd":180,"githubUrl":"https://github.com/EllanJiang/GameFramework/blob/d0c010b05167c58e92350449d04864a91ca13fd2/GameFramework/Sound/SoundManager.cs#L144-L180","documentation":"Thrown by SoundManager.SetSoundHelper when the soundHelper argument is null. The sound helper is mandatory for SoundManager operation (later code such as AddSoundAgentHelper explicitly requires it), so setting a null helper is rejected.","triggerScenarios":"Calling soundManager.SetSoundHelper(null); passing a helper reference from a component that failed to resolve.","commonSituations":"Missing SoundHelper script attached to the game object; typos in GetComponent calls; scene setup omissions.","solutions":["Attach/create a valid ISoundHelper implementation and pass it","Check that GetComponent<SoundHelper>() did not return null before calling","Verify initialization order: helper creation precedes SetSoundHelper"],"exampleFix":"// before\nm_SoundManager.SetSoundHelper(GetComponent<SoundHelper>()); // may be null\n// after\nvar helper = GetComponent<SoundHelper>();\nif (helper != null) { m_SoundManager.SetSoundHelper(helper); }","handlingStrategy":"validation","validationCode":"if (soundHelper == null) throw new InvalidOperationException(\"SoundHelper missing\");\nsoundManager.SetSoundHelper(soundHelper);","typeGuard":"bool HasSoundHelper(ISoundHelper h) => h != null;","tryCatchPattern":"try { soundManager.SetSoundHelper(soundHelper); }\ncatch (GameFrameworkException ex) { Log.Error(ex.Message); }","preventionTips":["Ensure the SoundHelper script is on the Sound game object","Verify GetComponent results before injection","Keep a checklist of required manager setup steps"],"tags":["gameframework","sound","null-argument"],"backgroundTag":"null-argument","analyzedSha":"d0c010b05167c58e92350449d04864a91ca13fd2","analyzedAt":"2026-09-15T13:37:15.352Z","contentChangedAt":"2026-09-15T13:37:15.352Z","schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}