ParameterToTransformAdapters.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "BaseGizmos/GizmoInterfaces.h"
#include "BaseGizmos/ParameterSourcesFloat.h"
#include "BaseGizmos/ParameterSourcesVec2.h"
#include "ParameterToTransformAdapters.generated.h"
 
 
//
// Various 1D and 2D ParameterSource converters intended to be used to create 3D transformation gizmos.
// Based on base classes in ParameterSourcesFloat.h and ParameterSourcesVec2.h
// 
 
 
 
UCLASS(MinimalAPI)
class UGizmoAxisTranslationParameterSource : public UGizmoBaseFloatParameterSource
{
    GENERATED_BODY()
public:
 
 
    TUniqueFunction<bool(double AxisDelta, double& SnappedDelta)> AxisDeltaConstraintFunction = [](double, double&) { return false; };
 
    TUniqueFunction<bool(const FVector& Input, FVector& PreProjectedOutput)> PositionConstraintFunction = [](const FVector&, FVector&) { return false; };
 
    virtual float GetParameter() const override
    {
        return Parameter;
    }
 
    INTERACTIVETOOLSFRAMEWORK_API virtual void SetParameter(float NewValue) override;
 
    INTERACTIVETOOLSFRAMEWORK_API virtual void BeginModify() override;
    INTERACTIVETOOLSFRAMEWORK_API virtual void EndModify() override;
 
 
public:
    UPROPERTY()
    TScriptInterface<IGizmoAxisSource> AxisSource;
 
    UPROPERTY()
    TScriptInterface<IGizmoTransformSource> TransformSource;
 
 
public:
    UPROPERTY()
    float Parameter = 0.0f;
 
    UPROPERTY()
    FGizmoFloatParameterChange LastChange;
 
    UPROPERTY()
    FVector CurTranslationAxis;
 
    UPROPERTY()
    FVector CurTranslationOrigin;
 
    UPROPERTY()
    FTransform InitialTransform;
 
public:
 
    static UGizmoAxisTranslationParameterSource* Construct(
        IGizmoAxisSource* AxisSourceIn,
        IGizmoTransformSource* TransformSourceIn,
        UObject* Outer = (UObject*)GetTransientPackage())
    {
        UGizmoAxisTranslationParameterSource* NewSource = NewObject<UGizmoAxisTranslationParameterSource>(Outer);
        NewSource->AxisSource = Cast<UObject>(AxisSourceIn);
        NewSource->TransformSource = Cast<UObject>(TransformSourceIn);
        return NewSource;
    }
};
 
 
 
 
 
UCLASS(MinimalAPI)
class UGizmoPlaneTranslationParameterSource : public UGizmoBaseVec2ParameterSource
{
    GENERATED_BODY()
public:
 
    TUniqueFunction<bool(double AxisDelta, double& SnappedDelta)> AxisXDeltaConstraintFunction = [](double, double&) { return false; };
    TUniqueFunction<bool(double AxisDelta, double& SnappedDelta)> AxisYDeltaConstraintFunction = [](double, double&) { return false; };
 
    TUniqueFunction<bool(const FVector& Input, FVector& PreProjectedOutput)> PositionConstraintFunction = [](const FVector&, FVector&) { return false; };
    /*
     * When true, the output of PositionConstraintFunction will be projected onto the current translation origin/axis.
     */
    bool bProjectConstrainedPosition = true;
 
    virtual FVector2D GetParameter() const override
    {
        return Parameter;
    }
 
    INTERACTIVETOOLSFRAMEWORK_API virtual void SetParameter(const FVector2D& NewValue) override;
 
    INTERACTIVETOOLSFRAMEWORK_API virtual void BeginModify() override;
    INTERACTIVETOOLSFRAMEWORK_API virtual void EndModify() override;
 
 
public:
    UPROPERTY()
    TScriptInterface<IGizmoAxisSource> AxisSource;
 
    UPROPERTY()
    TScriptInterface<IGizmoTransformSource> TransformSource;
 
 
public:
    UPROPERTY()
    FVector2D Parameter = FVector2D::ZeroVector;
 
    UPROPERTY()
    FGizmoVec2ParameterChange LastChange;
 
    UPROPERTY()
    FVector CurTranslationOrigin;
 
    UPROPERTY()
    FVector CurTranslationNormal;
 
    UPROPERTY()
    FVector CurTranslationAxisX;
 
    UPROPERTY()
    FVector CurTranslationAxisY;
 
    UPROPERTY()
    FTransform InitialTransform;
 
public:
 
    static UGizmoPlaneTranslationParameterSource* Construct(
        IGizmoAxisSource* AxisSourceIn,
        IGizmoTransformSource* TransformSourceIn,
        UObject* Outer = (UObject*)GetTransientPackage())
    {
        UGizmoPlaneTranslationParameterSource* NewSource = NewObject<UGizmoPlaneTranslationParameterSource>(Outer);
        NewSource->AxisSource = Cast<UObject>(AxisSourceIn);
        NewSource->TransformSource = Cast<UObject>(TransformSourceIn);
        return NewSource;
    }
};
 
 
 
 
 
 
UCLASS(MinimalAPI)
class UGizmoAxisRotationParameterSource : public UGizmoBaseFloatParameterSource
{
    GENERATED_BODY()
public:
 
    TUniqueFunction<bool(double AngleDelta, double& SnappedAngleDelta)> AngleDeltaConstraintFunction = [](double, double&) { return false; };
 
    TUniqueFunction<FQuat(const FQuat&)> RotationConstraintFunction = [](const FQuat& DeltaRotation) { return DeltaRotation; };
 
    virtual float GetParameter() const override
    {
        return Angle;
    }
 
    INTERACTIVETOOLSFRAMEWORK_API virtual void SetParameter(float NewValue) override;
 
    INTERACTIVETOOLSFRAMEWORK_API virtual void BeginModify() override;
    INTERACTIVETOOLSFRAMEWORK_API virtual void EndModify() override;
 
 
public:
    UPROPERTY()
    TScriptInterface<IGizmoAxisSource> AxisSource;
 
    UPROPERTY()
    TScriptInterface<IGizmoTransformSource> TransformSource;
 
 
public:
    UPROPERTY()
    float Angle = 0.0f;
 
    UPROPERTY()
    FGizmoFloatParameterChange LastChange;
 
    UPROPERTY()
    FVector CurRotationAxis;
 
    UPROPERTY()
    FVector CurRotationOrigin;
 
    UPROPERTY()
    FTransform InitialTransform;
 
 
public:
 
    static UGizmoAxisRotationParameterSource* Construct(
        IGizmoAxisSource* AxisSourceIn,
        IGizmoTransformSource* TransformSourceIn,
        UObject* Outer = (UObject*)GetTransientPackage())
    {
        UGizmoAxisRotationParameterSource* NewSource = NewObject<UGizmoAxisRotationParameterSource>(Outer);
        NewSource->AxisSource = Cast<UObject>(AxisSourceIn);
        NewSource->TransformSource = Cast<UObject>(TransformSourceIn);
        return NewSource;
    }
};
 
 
 
 
 
 
 
 
 
UCLASS(MinimalAPI)
class UGizmoUniformScaleParameterSource : public UGizmoBaseVec2ParameterSource
{
    GENERATED_BODY()
public:
 
    TUniqueFunction<bool(double ScaleAxisDelta, double& SnappedScaleAxisDelta)> ScaleAxisDeltaConstraintFunction = [](double, double&) { return false; };
    TUniqueFunction<double(const double&)> ScaleConstraintFunction = [](const double& DeltaScale) { return DeltaScale; };
 
 
    virtual FVector2D GetParameter() const override
    {
        return Parameter;
    }
 
    INTERACTIVETOOLSFRAMEWORK_API virtual void SetParameter(const FVector2D& NewValue) override;
 
    INTERACTIVETOOLSFRAMEWORK_API virtual void BeginModify() override;
    INTERACTIVETOOLSFRAMEWORK_API virtual void EndModify() override;
 
 
public:
    UPROPERTY()
    TScriptInterface<IGizmoAxisSource> AxisSource;
 
    UPROPERTY()
    TScriptInterface<IGizmoTransformSource> TransformSource;
 
    UPROPERTY()
    float ScaleMultiplier = 0.02f;
 
public:
    UPROPERTY()
    FVector2D Parameter = FVector2D::ZeroVector;
 
    UPROPERTY()
    FGizmoVec2ParameterChange LastChange;
 
    UPROPERTY()
    FVector CurScaleOrigin;
 
    UPROPERTY()
    FVector CurScaleNormal;
 
    UPROPERTY()
    FVector CurScaleAxisX;
 
    UPROPERTY()
    FVector CurScaleAxisY;
 
    UPROPERTY()
    FTransform InitialTransform;
 
public:
 
    static UGizmoUniformScaleParameterSource* Construct(
        IGizmoAxisSource* AxisSourceIn,
        IGizmoTransformSource* TransformSourceIn,
        UObject* Outer = (UObject*)GetTransientPackage())
    {
        UGizmoUniformScaleParameterSource* NewSource = NewObject<UGizmoUniformScaleParameterSource>(Outer);
        NewSource->AxisSource = Cast<UObject>(AxisSourceIn);
        NewSource->TransformSource = Cast<UObject>(TransformSourceIn);
        return NewSource;
    }
};
 
 
 
 
 
UCLASS(MinimalAPI)
class UGizmoAxisScaleParameterSource : public UGizmoBaseFloatParameterSource
{
    GENERATED_BODY()
public:
 
    TUniqueFunction<bool(const double& ScaleAxisDelta, double& SnappedScaleAxisDelta)> ScaleAxisDeltaConstraintFunction = [](const double&, double&) { return false; };
    TUniqueFunction<double(const double&)> ScaleConstraintFunction = [](const double& DeltaScale) { return DeltaScale; };
 
    virtual float GetParameter() const override
    {
        return Parameter;
    }
 
    INTERACTIVETOOLSFRAMEWORK_API virtual void SetParameter(float NewValue) override;
 
    INTERACTIVETOOLSFRAMEWORK_API virtual void BeginModify() override;
    INTERACTIVETOOLSFRAMEWORK_API virtual void EndModify() override;
 
public:
    UPROPERTY()
    TScriptInterface<IGizmoAxisSource> AxisSource;
 
    UPROPERTY()
    TScriptInterface<IGizmoTransformSource> TransformSource;
 
    UPROPERTY()
    float ScaleMultiplier = 0.02f;
 
    UPROPERTY()
    bool bClampToZero = false;
 
public:
    UPROPERTY()
    float Parameter = 0.0f;
 
    UPROPERTY()
    FGizmoFloatParameterChange LastChange;
 
    UPROPERTY()
    FVector CurScaleAxis;
 
    UPROPERTY()
    FVector CurScaleOrigin;
 
    UPROPERTY()
    FTransform InitialTransform;
 
public:
 
    static UGizmoAxisScaleParameterSource* Construct(
        IGizmoAxisSource* AxisSourceIn,
        IGizmoTransformSource* TransformSourceIn,
        UObject* Outer = (UObject*)GetTransientPackage())
    {
        UGizmoAxisScaleParameterSource* NewSource = NewObject<UGizmoAxisScaleParameterSource>(Outer);
        NewSource->AxisSource = Cast<UObject>(AxisSourceIn);
        NewSource->TransformSource = Cast<UObject>(TransformSourceIn);
        return NewSource;
    }
};
 
 
 
 
 
 
 
 
UCLASS(MinimalAPI)
class UGizmoPlaneScaleParameterSource : public UGizmoBaseVec2ParameterSource
{
    GENERATED_BODY()
public:
 
    TUniqueFunction<bool(const FVector&, FVector&)> PositionConstraintFunction = [](const FVector&, FVector&) { return false; };
 
    TUniqueFunction<bool(double ScaleAxisDelta, double& SnappedScaleAxisDelta)> ScaleAxisXDeltaConstraintFunction = [](double, double&) { return false; };
    TUniqueFunction<bool(double ScaleAxisDelta, double& SnappedScaleAxisDelta)> ScaleAxisYDeltaConstraintFunction = [](double, double&) { return false; };
    TUniqueFunction<FVector2D(const FVector2D&)> ScaleConstraintFunction = [](const FVector2D& DeltaScale) { return DeltaScale; };
 
 
    virtual FVector2D GetParameter() const override
    {
        return Parameter;
    }
 
    INTERACTIVETOOLSFRAMEWORK_API virtual void SetParameter(const FVector2D& NewValue) override;
 
    INTERACTIVETOOLSFRAMEWORK_API virtual void BeginModify() override;
    INTERACTIVETOOLSFRAMEWORK_API virtual void EndModify() override;
 
 
public:
    UPROPERTY()
    TScriptInterface<IGizmoAxisSource> AxisSource;
 
    UPROPERTY()
    TScriptInterface<IGizmoTransformSource> TransformSource;
 
    UPROPERTY()
    float ScaleMultiplier = 0.02f;
 
    UPROPERTY()
    bool bUseEqualScaling = false;
 
    UPROPERTY()
    bool bClampToZero = false;
public:
    UPROPERTY()
    FVector2D Parameter = FVector2D::ZeroVector;
 
    UPROPERTY()
    FGizmoVec2ParameterChange LastChange;
 
    UPROPERTY()
    FVector CurScaleOrigin;
 
    UPROPERTY()
    FVector CurScaleNormal;
 
    UPROPERTY()
    FVector CurScaleAxisX;
 
    UPROPERTY()
    FVector CurScaleAxisY;
 
    UPROPERTY()
    FTransform InitialTransform;
 
public:
 
    static UGizmoPlaneScaleParameterSource* Construct(
        IGizmoAxisSource* AxisSourceIn,
        IGizmoTransformSource* TransformSourceIn,
        UObject* Outer = (UObject*)GetTransientPackage())
    {
        UGizmoPlaneScaleParameterSource* NewSource = NewObject<UGizmoPlaneScaleParameterSource>(Outer);
        NewSource->AxisSource = Cast<UObject>(AxisSourceIn);
        NewSource->TransformSource = Cast<UObject>(TransformSourceIn);
        return NewSource;
    }
};