ULSE_FadeScreen 클래스 참조

#include <LSE_FadeScreen.h>

ULSE_FadeScreen에 대한 상속 다이어그램 :

ULSE_FadeScreen에 대한 협력 다이어그램:

Public 멤버 함수
virtual void	OnPreLoadStart (const FLevelStreamingContext Context) override
virtual ELevelStreamingEffectResult	OnPreLoadUpdate (const FLevelStreamingContext Context) override
virtual void	OnPreLoadEnd (const FLevelStreamingContext Context) override
virtual void	OnPostLoadStart (const FLevelStreamingContext Context) override
virtual ELevelStreamingEffectResult	OnPostLoadUpdate (const FLevelStreamingContext Context) override
virtual void	OnPostLoadEnd (const FLevelStreamingContext Context) override
ULevelStreamingEffect(으)로부터 상속된 Public 멤버 함수
virtual void	InitEffect ()
virtual void	OnCompletedEffectsByPhase (const ELevelStreamingPhase CompletedPhase)
virtual void	ExecuteUpdate (ELevelStreamingPhase Phase, const FLevelStreamingContext &Context)
virtual void	CallPrepareOrFinishEvent (ELevelStreamingPhase Phase, ELevelStreamingEffectCallType CallType, const FLevelStreamingContext &Context)
FORCEINLINE ELevelStreamingEffectResult	GetLastExecutionResult () const
FORCEINLINE bool	IsSkipThisEffect () const

Public 속성
FUIContext	UIContext
bool	bAutoInitializeAlpha = true
float	FadeInDuration = 1.3f
float	FadeHoldDuration = 2.0f
float	FadeOutDuration = 1.3f

Protected 속성
float	ElapsedTime = 0.0f
ULevelStreamingEffect(으)로부터 상속된 Protected 속성
bool	bSkipThisEffect = false
ELevelStreamingEffectResult	LastExecutionResult = ELevelStreamingEffectResult::None

Private 속성
TWeakObjectPtr< UScreenFadeWidget >	ActiveFadeWidget

멤버 함수 문서화

OnPostLoadEnd()

void ULSE_FadeScreen::OnPostLoadEnd ( const FLevelStreamingContext  Context )

overridevirtual

ILevelPostLoadInterface를 구현.

{
    ElapsedTime = 0.0f;
 
    if (ActiveFadeWidget.IsValid())
    {
        ActiveFadeWidget->SetFadeAlpha(0.0f);
    }
 
    LOG_INFO(LogCKLevel, "FadeIn 완료");
 
    if (ActiveFadeWidget.IsValid() == false)
    {
        return;
    }
 
    UGameInstance* GI = Context.OriginalWorld->GetGameInstance();
    check(GI);
 
    UUIManagementSubsystem* UISubsystem = GI->GetSubsystem<UUIManagementSubsystem>();
    check(UISubsystem);
 
    UISubsystem->PopWidget(ActiveFadeWidget.Get());
    ActiveFadeWidget.Reset();
}

이 함수 내부에서 호출하는 함수들에 대한 그래프입니다.:

OnPostLoadStart()

void ULSE_FadeScreen::OnPostLoadStart ( const FLevelStreamingContext  Context )

overridevirtual

ILevelPostLoadInterface를 구현.

{
    ElapsedTime = 0.0f;
 
    if (!ActiveFadeWidget.IsValid())
    {
        LOG_WARNING(LogCKLevel, "Fade 위젯이 없어 FadeIn alpha를 적용할 수 없습니다.");
        return;
    }
 
    if (bAutoInitializeAlpha)
    {
        ActiveFadeWidget->SetFadeAlpha(1.0f);
    }
 
    LOG_INFO(LogCKLevel, "FadeIn 시작: 유지 %.2f초, 전환 %.2f초", FadeHoldDuration, FadeOutDuration);
}

OnPostLoadUpdate()

ELevelStreamingEffectResult ULSE_FadeScreen::OnPostLoadUpdate ( const FLevelStreamingContext  Context )

overridevirtual

ILevelPostLoadInterface를 구현.

{
    if (Context.OriginalWorld == nullptr)
    {
        LOG_ERROR(LogCKLevel, "OriginalWorld가 없어 FadeIn을 진행할 수 없습니다.");
        return ELevelStreamingEffectResult::Completed;
    }
 
    ElapsedTime += Context.OriginalWorld->GetDeltaSeconds();
 
    if (ElapsedTime < FadeHoldDuration)
    {
        return ELevelStreamingEffectResult::InProgress;
    }
 
    if (FadeOutDuration < KINDA_SMALL_NUMBER)
    {
        LOG_WARNING(LogCKLevel, "FadeInDuration이 0 이하라 FadeIn을 즉시 완료합니다. Duration: %.2f", FadeOutDuration);
        return ELevelStreamingEffectResult::Completed;
    }
 
    const float FadeOutElapsedTime = ElapsedTime - FadeHoldDuration;
    const float Alpha = FMath::Clamp(1.0f - (FadeOutElapsedTime / FadeOutDuration), 0.0f, 1.0f);
 
    if (ActiveFadeWidget.IsValid())
    {
        ActiveFadeWidget->SetFadeAlpha(Alpha);
    }
  
    if (FadeOutElapsedTime >= FadeOutDuration)
    {
        return ELevelStreamingEffectResult::Completed;   
    }
    else
    {
        return ELevelStreamingEffectResult::InProgress;
    }
}

OnPreLoadEnd()

void ULSE_FadeScreen::OnPreLoadEnd ( const FLevelStreamingContext  Context )

overridevirtual

ILevelPreLoadInterface를 구현.

{
    if (ActiveFadeWidget.IsValid())
    {
        ActiveFadeWidget->SetFadeAlpha(1.0f);
    }
 
    LOG_INFO(LogCKLevel, "FadeOut 완료");
    ElapsedTime = 0.0f;
}

OnPreLoadStart()

void ULSE_FadeScreen::OnPreLoadStart ( const FLevelStreamingContext  Context )

overridevirtual

ILevelPreLoadInterface를 구현.

{
    ElapsedTime = 0.0f;
 
    if (Context.OriginalWorld == nullptr)
    {
        LOG_ERROR(LogCKLevel, "OriginalWorld가 없어 FadeOut을 시작할 수 없습니다.");
        return;
    }
 
    UGameInstance* GI = Context.OriginalWorld->GetGameInstance();
    check(GI);
 
    UUIManagementSubsystem* UISubsystem = GI->GetSubsystem<UUIManagementSubsystem>();
    check(UISubsystem);
 
    UUILayer* OutLayer = nullptr;
    FUIContext FadeContext = UIContext;
    FadeContext.Primary = true;
 
    UUserWidgetBase* Widget = UISubsystem->PushPlayerWidget(FadeContext, OutLayer);
    ActiveFadeWidget = Cast<UScreenFadeWidget>(Widget);
 
    if (!ActiveFadeWidget.IsValid())
    {
        LOG_ERROR(LogCKLevel, "Fade 위젯이 유효하지 않습니다.");
        return;
    }
 
    if (bAutoInitializeAlpha)
    {
        ActiveFadeWidget->SetFadeAlpha(0.0f);
    }
 
    LOG_INFO(LogCKLevel, "FadeOut 시작: %.2f초", FadeInDuration);
}

이 함수 내부에서 호출하는 함수들에 대한 그래프입니다.:

OnPreLoadUpdate()

ELevelStreamingEffectResult ULSE_FadeScreen::OnPreLoadUpdate ( const FLevelStreamingContext  Context )

overridevirtual

ILevelPreLoadInterface를 구현.

{
    if (Context.OriginalWorld == nullptr)
    {
        LOG_ERROR(LogCKLevel, "OriginalWorld가 없어 FadeOut을 진행할 수 없습니다.");
        return ELevelStreamingEffectResult::Completed;
    }
 
    if (FadeInDuration < KINDA_SMALL_NUMBER)
    {
        LOG_WARNING(LogCKLevel, "FadeOutDuration이 0 이하라 FadeOut을 즉시 완료합니다. Duration: %.2f", FadeInDuration);
        return ELevelStreamingEffectResult::Completed;
    }
 
    ElapsedTime += Context.OriginalWorld->GetDeltaSeconds();
    const float Alpha = FMath::Clamp(ElapsedTime / FadeInDuration, 0.0f, 1.0f);
 
    if (ActiveFadeWidget.IsValid())
    {
        ActiveFadeWidget->SetFadeAlpha(Alpha);
    }
 
    if (ElapsedTime >= FadeInDuration)
    {
        return ELevelStreamingEffectResult::Completed;
    }
    else
    {
        return ELevelStreamingEffectResult::InProgress;
    }
}

멤버 데이터 문서화

ActiveFadeWidget

TWeakObjectPtr<UScreenFadeWidget> ULSE_FadeScreen::ActiveFadeWidget

private

bAutoInitializeAlpha

bool ULSE_FadeScreen::bAutoInitializeAlpha = true

ElapsedTime

float ULSE_FadeScreen::ElapsedTime = 0.0f

protected

FadeHoldDuration

float ULSE_FadeScreen::FadeHoldDuration = 2.0f

FadeInDuration

float ULSE_FadeScreen::FadeInDuration = 1.3f

FadeOutDuration

float ULSE_FadeScreen::FadeOutDuration = 1.3f

UIContext

FUIContext ULSE_FadeScreen::UIContext

---

이 클래스에 대한 문서화 페이지는 다음의 파일들로부터 생성되었습니다.:

• Source/CK_UE/Level/Effect/LSE_FadeScreen.h
• Source/CK_UE/Level/Effect/LSE_FadeScreen.cpp