CineCameraActor.h

Go to the documentation of this file.

// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Camera/CameraActor.h"
#include "CoreMinimal.h"
#include "Math/Rotator.h"
#include "Math/UnrealMathSSE.h"
#include "Math/Vector.h"
#include "UObject/ObjectMacros.h"
#include "UObject/SoftObjectPtr.h"
#include "UObject/UObjectGlobals.h"
 
#include "CineCameraActor.generated.h"
 
class AActor;
class UCineCameraComponent;
class UObject;
struct FFrame;
 
USTRUCT(BlueprintType)
struct FCameraLookatTrackingSettings
{
    GENERATED_USTRUCT_BODY()
 
    FCameraLookatTrackingSettings()
        : bEnableLookAtTracking(false)
        , bDrawDebugLookAtTrackingPosition(false)
        , LookAtTrackingInterpSpeed(0.f)
        , LastLookatTrackingRotation(FRotator::ZeroRotator)
        , LastLookatTrackingRotationFrame(-1)
        , RelativeOffset(FVector::ZeroVector)
        , bAllowRoll(false)
    {
    }
 
    UPROPERTY(Interp, EditAnywhere, BlueprintReadWrite, Category = "LookAt")
    uint8 bEnableLookAtTracking : 1;
 
    UPROPERTY(Transient, EditAnywhere, BlueprintReadWrite, Category = "LookAt")
    uint8 bDrawDebugLookAtTrackingPosition : 1;
 
    UPROPERTY(Interp, EditAnywhere, BlueprintReadWrite, Category = "LookAt")
    float LookAtTrackingInterpSpeed;
 
    FRotator LastLookatTrackingRotation;
    
    uint32 LastLookatTrackingRotationFrame;
 
    UPROPERTY(Interp, EditAnywhere, BlueprintReadWrite, Category = "LookAt")
    TSoftObjectPtr<AActor> ActorToTrack;
 
    UPROPERTY(Interp, EditAnywhere, BlueprintReadWrite, Category = "LookAt")
    FVector RelativeOffset;
 
    UPROPERTY(Interp, EditAnywhere, BlueprintReadWrite, Category = "LookAt")
    uint8 bAllowRoll : 1;
};
 
UCLASS(ClassGroup = Common, hideCategories = (Input, Rendering, AutoPlayerActivation), showcategories = ("Input|MouseInput", "Input|TouchInput"), Blueprintable, MinimalAPI)
class ACineCameraActor : public ACameraActor
{
    GENERATED_BODY()
 
public:
    // Ctor
    CINEMATICCAMERA_API ACineCameraActor(const FObjectInitializer& ObjectInitializer);
 
    CINEMATICCAMERA_API virtual void Tick(float DeltaTime) override;
    CINEMATICCAMERA_API virtual bool ShouldTickIfViewportsOnly() const override;
    CINEMATICCAMERA_API virtual void PostInitializeComponents() override;
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Current Camera Settings")
    FCameraLookatTrackingSettings LookatTrackingSettings;
 
    UFUNCTION(BlueprintCallable, Category="Camera")
    UCineCameraComponent* GetCineCameraComponent() const { return CineCameraComponent; }
 
protected:
    uint8 bResetInterplation : 1;
 
    CINEMATICCAMERA_API FVector GetLookatLocation() const;
 
    CINEMATICCAMERA_API virtual void NotifyCameraCut() override;
 
    CINEMATICCAMERA_API bool ShouldTickForTracking() const;
 
private:
    class UCineCameraComponent* CineCameraComponent;
};