CameraModifier.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "UObject/Object.h"
#include "UObject/ScriptMacros.h"
#include "Engine/Scene.h"
#include "CameraModifier.generated.h"
 
class AActor;
class APlayerCameraManager;
class FDebugDisplayInfo;
 
//=============================================================================
UCLASS(BlueprintType, Blueprintable, MinimalAPI)
class UCameraModifier : public UObject
{
    GENERATED_UCLASS_BODY()
 
public:
    UPROPERTY(EditAnywhere, Category = Debug)
    uint32 bDebug : 1;
 
    UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = CameraModifier)
    uint32 bExclusive : 1;
 
protected:
    uint32 bDisabled:1;
 
    uint32 bPendingDisable:1;
 
public:
    UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = CameraModifier)
    uint8 Priority; 
    
protected:
    UPROPERTY(transient, BlueprintReadOnly, Category = CameraModifier)
    TObjectPtr<class APlayerCameraManager> CameraOwner;
 
    UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = CameraModifier)
    float AlphaInTime;
 
    UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category = CameraModifier)
    float AlphaOutTime;
 
    UPROPERTY(transient, BlueprintReadOnly, Category = CameraModifier)
    float Alpha;
 
    UFUNCTION()
    ENGINE_API void OnCameraOwnerDestroyed(AActor* InOwner);
 
protected:
    ENGINE_API virtual float GetTargetAlpha();
 
public:
 
    ENGINE_API virtual void DisplayDebug(class UCanvas* Canvas, const FDebugDisplayInfo& DebugDisplay, float& YL, float& YPos);
 
    ENGINE_API virtual void AddedToCamera( APlayerCameraManager* Camera );
    
    ENGINE_API virtual bool ModifyCamera(float DeltaTime, struct FMinimalViewInfo& InOutPOV);
 
    UFUNCTION(BlueprintImplementableEvent, BlueprintCosmetic)
    ENGINE_API void BlueprintModifyCamera(float DeltaTime, FVector ViewLocation, FRotator ViewRotation, float FOV, FVector& NewViewLocation, FRotator& NewViewRotation, float& NewFOV);
 
    UFUNCTION(BlueprintImplementableEvent, BlueprintCosmetic)
    ENGINE_API void BlueprintModifyPostProcess(float DeltaTime, float& PostProcessBlendWeight, FPostProcessSettings& PostProcessSettings);
 
    UFUNCTION(BlueprintCallable, Category = CameraModifier)
    ENGINE_API virtual bool IsDisabled() const;
    
    UFUNCTION(BlueprintCallable, Category = CameraModifier)
    ENGINE_API virtual bool IsPendingDisable() const;
    
    UFUNCTION(BlueprintCallable, Category = CameraModifier)
    ENGINE_API virtual AActor* GetViewTarget() const;
 
    UFUNCTION(BlueprintCallable, Category=CameraModifier)
    ENGINE_API virtual void DisableModifier(bool bImmediate = false);
 
    UFUNCTION(BlueprintCallable, Category = CameraModifier)
    ENGINE_API virtual void EnableModifier();
 
    ENGINE_API virtual void ToggleModifier();
    
    ENGINE_API virtual bool ProcessViewRotation(class AActor* ViewTarget, float DeltaTime, FRotator& OutViewRotation, FRotator& OutDeltaRot);
 
    ENGINE_API virtual void UpdateAlpha(float DeltaTime);
 
    ENGINE_API UWorld* GetWorld() const;
 
protected:
    ENGINE_API virtual void ModifyCamera(float DeltaTime, FVector ViewLocation, FRotator ViewRotation, float FOV, FVector& NewViewLocation, FRotator& NewViewRotation, float& NewFOV);
 
    ENGINE_API virtual void ModifyPostProcess(float DeltaTime, float& PostProcessBlendWeight, FPostProcessSettings& PostProcessSettings);
};