[UE4] 使用 GUI 框架“Dear ImGui” 示例：ImguiLogWindow

 

要想从引擎那得到日志数据可以继承自  public FOutputDevice  。

其中一个重要的虚方法

virtual void Serialize(const TCHAR* V, ELogVerbosity::Type Verbosity, const class FName& Category) override;

#pragma once

#include "ImguiConsole.h"
#include "Subsystems/GameInstanceSubsystem.h"
#include "Misc/OutputDevice.h"
#include "UImguiLogSubsystem.generated.h"

#ifdef __clang__
#pragma clang diagnostic ignored "-Woverloaded-virtual"
#pragma clang diagnostic ignored "-Wformat-security"
#endif

UCLASS()
class MYDEMO_API UImguiLogSubsystem : public UGameInstanceSubsystem, public FOutputDevice
{
	GENERATED_BODY()
public:
	virtual void Initialize(FSubs