CameraRig_Rail.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "GameFramework/Actor.h"
#include "CameraRig_Rail.generated.h"
 
class USplineComponent;
class USplineMeshComponent;
class UStaticMesh;
class UStaticMeshComponent;
 
UCLASS(Blueprintable, MinimalAPI)
class ACameraRig_Rail : public AActor
{
    GENERATED_BODY()
    
public:
    // ctor
    CINEMATICCAMERA_API ACameraRig_Rail(const FObjectInitializer& ObjectInitialier);
    
    CINEMATICCAMERA_API virtual void Tick(float DeltaTime) override;
    CINEMATICCAMERA_API virtual bool ShouldTickIfViewportsOnly() const override;
 
    UPROPERTY(Interp, EditAnywhere, BlueprintReadWrite, Category = "Rail Controls", meta=(ClampMin="0.0", ClampMax = "1.0"))
    float CurrentPositionOnRail;
 
    UPROPERTY(Interp, EditAnywhere, BlueprintReadWrite, Category = "Rail Controls")
    bool bLockOrientationToRail;
 
#if WITH_EDITORONLY_DATA
    UPROPERTY(Transient, EditAnywhere, Category = "Rail Controls")
    bool bShowRailVisualization;
 
    UPROPERTY(Transient, EditAnywhere, Category = "Rail Controls")
    float PreviewMeshScale;
#endif
 
    CINEMATICCAMERA_API virtual class USceneComponent* GetDefaultAttachComponent() const override;
#if WITH_EDITOR
    CINEMATICCAMERA_API virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent) override;
    CINEMATICCAMERA_API virtual void PostEditUndo() override;
    CINEMATICCAMERA_API virtual void PostEditMove(bool bFinished) override;
#endif
 
    UFUNCTION(BlueprintPure, Category = "Rail Components")
    USplineComponent* GetRailSplineComponent() { return RailSplineComponent; }
    
protected:
    CINEMATICCAMERA_API virtual void UpdateRailComponents();
#if WITH_EDITORONLY_DATA
    CINEMATICCAMERA_API void UpdatePreviewMeshes();
#endif
    CINEMATICCAMERA_API USplineMeshComponent* CreateSplinePreviewSegment();
 
    UPROPERTY(EditDefaultsOnly, Category = "Rail Components")
    TObjectPtr<USceneComponent> TransformComponent;
 
    UPROPERTY(EditDefaultsOnly, Category = "Rail Components")
    TObjectPtr<USplineComponent> RailSplineComponent;
 
    UPROPERTY(EditDefaultsOnly, Category = "Rail Components")
    TObjectPtr<USceneComponent> RailCameraMount;
 
#if WITH_EDITORONLY_DATA
    UPROPERTY(Transient)
    TObjectPtr<USplineMeshComponent> PreviewMesh_Rail;
 
    UPROPERTY(Transient)
    TArray<TObjectPtr<USplineMeshComponent>> PreviewRailMeshSegments;
 
    UPROPERTY(Transient)
    TObjectPtr<UStaticMesh> PreviewRailStaticMesh;
 
    UPROPERTY(Transient)
    TObjectPtr<UStaticMeshComponent> PreviewMesh_Mount;
#endif
};