MovieSceneEasingCurves.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Curves/RichCurve.h"
#include "Generators/MovieSceneEasingFunction.h"
#include "HAL/Platform.h"
#include "Internationalization/Text.h"
#include "UObject/Class.h"
#include "UObject/Interface.h"
#include "UObject/Object.h"
#include "UObject/ObjectMacros.h"
#include "UObject/ObjectPtr.h"
#include "UObject/UObjectGlobals.h"
 
#include "MovieSceneEasingCurves.generated.h"
 
class UCurveFloat;
 
UENUM()
enum class EMovieSceneBuiltInEasing : uint8
{
    // Linear easing
    Linear UMETA(Grouping=Linear,DisplayName="Linear"),
    // Sinusoidal easing
    SinIn UMETA(Grouping=Sinusoidal,DisplayName="Sinusoidal In"), SinOut UMETA(Grouping=Sinusoidal,DisplayName="Sinusoidal Out"), SinInOut UMETA(Grouping=Sinusoidal,DisplayName="Sinusoidal InOut"),
    // Quadratic easing
    QuadIn UMETA(Grouping=Quadratic,DisplayName="Quadratic In"), QuadOut UMETA(Grouping=Quadratic,DisplayName="Quadratic Out"), QuadInOut UMETA(Grouping=Quadratic,DisplayName="Quadratic InOut"),
    // Cubic easing
    Cubic UMETA(Grouping = Cubic, DisplayName = "Cubic"), CubicIn UMETA(Grouping=Cubic,DisplayName="Cubic In"), CubicOut UMETA(Grouping=Cubic,DisplayName="Cubic Out"), CubicInOut UMETA(Grouping=Cubic,DisplayName="Cubic InOut"), HermiteCubicInOut UMETA(Grouping = Cubic, DisplayName = "Hermite-Cubic InOut"),
    // Quartic easing
    QuartIn UMETA(Grouping=Quartic,DisplayName="Quartic In"), QuartOut UMETA(Grouping=Quartic,DisplayName="Quartic Out"), QuartInOut UMETA(Grouping=Quartic,DisplayName="Quartic InOut"),
    // Quintic easing
    QuintIn UMETA(Grouping=Quintic,DisplayName="Quintic In"), QuintOut UMETA(Grouping=Quintic,DisplayName="Quintic Out"), QuintInOut UMETA(Grouping=Quintic,DisplayName="Quintic InOut"),
    // Exponential easing
    ExpoIn UMETA(Grouping=Exponential,DisplayName="Exponential In"), ExpoOut UMETA(Grouping=Exponential,DisplayName="Exponential Out"), ExpoInOut UMETA(Grouping=Exponential,DisplayName="Exponential InOut"),
    // Circular easing
    CircIn UMETA(Grouping=Circular,DisplayName="Circular In"), CircOut UMETA(Grouping=Circular,DisplayName="Circular Out"), CircInOut UMETA(Grouping=Circular,DisplayName="Circular InOut"),
    // Custom
    Custom UMETA(Grouping = Custom, DisplayName = "Custom"),
};
 
 
UCLASS(BlueprintType, meta=(DisplayName = "Built-In Function"), MinimalAPI)
class UMovieSceneBuiltInEasingFunction : public UObject, public IMovieSceneEasingFunction
{
public:
    GENERATED_BODY()
 
    MOVIESCENE_API UMovieSceneBuiltInEasingFunction(const FObjectInitializer& Initiailizer);
 
    MOVIESCENE_API virtual float Evaluate(float InTime) const override;
 
#if WITH_EDITOR
    virtual FText GetDisplayName() const override { return StaticEnum<EMovieSceneBuiltInEasing>()->GetDisplayNameTextByValue((int64)Type); }
#endif
 
    UPROPERTY(EditAnywhere, Category=Easing)
    EMovieSceneBuiltInEasing Type;
};
 
 
UCLASS(meta=(DisplayName="Curve Asset"), MinimalAPI)
class UMovieSceneEasingExternalCurve : public UObject, public IMovieSceneEasingFunction
{
public:
    GENERATED_BODY()
 
    MOVIESCENE_API virtual float Evaluate(float InTime) const override;
 
#if WITH_EDITOR
    virtual FText GetDisplayName() const override { return StaticClass()->GetDisplayNameText(); }
#endif
 
    UPROPERTY(EditAnywhere, Category=Easing)
    TObjectPtr<UCurveFloat> Curve;
};