FadeManager.h

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// Copyright(c) Pixo Group. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "EventSystem/BaseManager.h"
#include "FadeManager.generated.h"
 
DECLARE_DYNAMIC_MULTICAST_DELEGATE(FOnFadeInFinished);
 
UCLASS(BlueprintType)
class PIXOCORE_API UFadeManager : public UBaseManager
{
    GENERATED_BODY()
 
public:
    //Manager event declaration
    DECLARE_EVENT_HANDLER(UFadeInAndFadeOutEvent);
    DECLARE_EVENT_HANDLER(UFadeInEvent);
    DECLARE_EVENT_HANDLER(UFadeOutEvent);
 
public:
    UFadeManager();
    
    UFUNCTION(BlueprintCallable)
    void OpenLevelWithFade(FName LevelName);
    UFUNCTION(BlueprintCallable)
    void ShowFade(bool FadeIn, float Duration);
 
    UPROPERTY(BlueprintAssignable)
    FOnFadeInFinished OnFadeInFinished;
 
    UPROPERTY(BlueprintReadWrite, Category = "FadeManager|Parameters")
    bool BlockFade = false;
 
private:
    UFUNCTION()
    void StartFadeIn();
    UFUNCTION()
    void FadeInFinished();
    UFUNCTION()
    void StartFadeOut();
    UFUNCTION()
    void FadeOutFinished() const;
 
protected:
    FTimerHandle FadeTimerHandler;
    float FadeInDuration;
    float FadeDelay;
    float FadeOutDuration;
    bool bAutoFadeOut; 
 
    static bool bNewLevelFadeOut; 
 
    float MinFadeTime = FLT_MIN;
 
private:
    TFunction<void()> FadeInCallback;
    TFunction<void()> FadeOutCallback;
};