UFadeWidget.cpp

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// Copyright (c) 2025 Doppleddiggong. All rights reserved. Unauthorized copying, modification, or distribution of this file, via any medium is strictly prohibited. Proprietary and confidential.
 
#include "UFadeWidget.h"
#include "Animation/WidgetAnimation.h"
#include "Components/Image.h"
#include "GameLogging.h"
 
void UFadeWidget::NativeConstruct()
{
    Super::NativeConstruct();
 
    // 초기 상태: 투명 (보이지 않음)
    if (FadeImage)
    {
        FadeImage->SetVisibility(ESlateVisibility::HitTestInvisible);
        FadeImage->SetOpacity(0.0f);
    }
}
 
void UFadeWidget::FadeOut(float Duration)
{
    if (!FadeOutAnim)
    {
        PRINTLOG(TEXT("UFadeWidget::FadeOut - FadeOutAnim is null"));
 
        // 애니메이션이 없으면 즉시 완료 처리
        if (FadeImage)
        {
            FadeImage->SetOpacity(1.0f);
        }
        OnFadeOutComplete.Broadcast();
        return;
    }
 
    // 애니메이션 완료 시 콜백 바인딩
    FWidgetAnimationDynamicEvent AnimationFinishedDelegate;
    AnimationFinishedDelegate.BindDynamic(this, &UFadeWidget::OnFadeOutAnimationFinished);
 
    // 기존 바인딩 제거 후 새로 바인딩
    BindToAnimationFinished(FadeOutAnim, AnimationFinishedDelegate);
 
    // 페이드 아웃 애니메이션 재생 (속도 조절로 Duration 적용)
    float AnimSpeed = FadeOutAnim->GetEndTime() / Duration;
    PlayAnimation(FadeOutAnim, 0.0f, 1, EUMGSequencePlayMode::Forward, AnimSpeed);
 
    PRINTLOG(TEXT("UFadeWidget::FadeOut - Animation started (Duration: %.2f)"), Duration);
}
 
void UFadeWidget::FadeIn(float Duration)
{
    if (!FadeInAnim)
    {
        PRINTLOG(TEXT("UFadeWidget::FadeIn - FadeInAnim is null"));
 
        // 애니메이션이 없으면 즉시 완료 처리
        if (FadeImage)
        {
            FadeImage->SetOpacity(0.0f);
        }
        OnFadeInComplete.Broadcast();
        return;
    }
 
    // 애니메이션 완료 시 콜백 바인딩
    FWidgetAnimationDynamicEvent AnimationFinishedDelegate;
    AnimationFinishedDelegate.BindDynamic(this, &UFadeWidget::OnFadeInAnimationFinished);
 
    // 기존 바인딩 제거 후 새로 바인딩
    BindToAnimationFinished(FadeInAnim, AnimationFinishedDelegate);
 
    // 페이드 인 애니메이션 재생 (속도 조절로 Duration 적용)
    float AnimSpeed = FadeInAnim->GetEndTime() / Duration;
    PlayAnimation(FadeInAnim, 0.0f, 1, EUMGSequencePlayMode::Forward, AnimSpeed);
 
    PRINTLOG(TEXT("UFadeWidget::FadeIn - Animation started (Duration: %.2f)"), Duration);
}
 
void UFadeWidget::OnFadeOutAnimationFinished()
{
    PRINTLOG(TEXT("UFadeWidget::OnFadeOutAnimationFinished - FadeOut completed"));
    OnFadeOutComplete.Broadcast();
}
 
void UFadeWidget::OnFadeInAnimationFinished()
{
    PRINTLOG(TEXT("UFadeWidget::OnFadeInAnimationFinished - FadeIn completed"));
    OnFadeInComplete.Broadcast();
}