MRPointMeasurementObject.h

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#pragma once
 
#include "MRMeasurementObject.h"
#include "MRObjectComparableWithReference.h"
 
namespace MR
{
 
enum class MRMESH_CLASS PointMeasurementVisualizePropertyType
{
    CapVisibility,
    _count [[maybe_unused]],
};
template <> struct IsVisualizeMaskEnum<PointMeasurementVisualizePropertyType> : std::true_type {};
 
class MRMESH_CLASS PointMeasurementObject
    : public MeasurementObject
    , public ObjectComparableWithReference
{
public:
     PointMeasurementObject() = default;
 
    PointMeasurementObject( PointMeasurementObject&& ) noexcept = default;
    PointMeasurementObject& operator =( PointMeasurementObject&& ) noexcept = default;
 
    constexpr static const char* StaticTypeName() noexcept { return "PointMeasurementObject"; }
    const char* typeName() const override { return StaticTypeName(); }
 
    constexpr static const char* StaticClassName() noexcept { return "Measure Point"; }
    std::string className() const override { return StaticClassName(); }
 
    constexpr static const char* StaticClassNameInPlural() noexcept { return "Measure Points"; }
    std::string classNameInPlural() const override { return StaticClassNameInPlural(); }
 
    PointMeasurementObject( ProtectedStruct, const PointMeasurementObject& obj ) : PointMeasurementObject( obj )
    {}
 
    MRMESH_API std::shared_ptr<Object> clone() const override;
    MRMESH_API std::shared_ptr<Object> shallowClone() const override;
 
    [[nodiscard]] MRMESH_API bool supportsVisualizeProperty( AnyVisualizeMaskEnum type ) const override;
    MRMESH_API AllVisualizeProperties getAllVisualizeProperties() const override;
    MRMESH_API const ViewportMask& getVisualizePropertyMask( AnyVisualizeMaskEnum type ) const override;
 
    [[nodiscard]] MRMESH_API Vector3f getLocalPoint( ViewportId id = {} ) const;
    [[nodiscard]] MRMESH_API Vector3f getWorldPoint( ViewportId id = {} ) const;
    MRMESH_API void setLocalPoint( const Vector3f& point, ViewportId id = {} );
    MRMESH_API void setWorldPoint( const Vector3f& point, ViewportId id = {} );
 
    // Implement `ObjectComparableWithReference`:
    [[nodiscard]] MRMESH_API std::size_t numComparableProperties() const override;
    [[nodiscard]] MRMESH_API std::string_view getComparablePropertyName( std::size_t i ) const override;
    [[nodiscard]] MRMESH_API std::optional<ComparableProperty> computeComparableProperty( std::size_t i ) const override;
    [[nodiscard]] MRMESH_API std::optional<ComparisonTolerance> getComparisonTolerence( std::size_t i ) const override;
    MRMESH_API void setComparisonTolerance( std::size_t i, std::optional<ComparisonTolerance> newTolerance ) override;
    [[nodiscard]] MRMESH_API bool comparisonToleranceIsAlwaysOnlyPositive( std::size_t i ) const override;
    // This returns 2: the point, and the optional normal direction. The normal doesn't need to be normalized, its length doesn't affect calculations.
    // If the normal isn't specified, the Euclidean distance gets used.
    [[nodiscard]] MRMESH_API std::size_t numComparisonReferenceValues() const override;
    [[nodiscard]] MRMESH_API std::string_view getComparisonReferenceValueName( std::size_t i ) const override;
    [[nodiscard]] MRMESH_API ComparisonReferenceValue getComparisonReferenceValue( std::size_t i ) const override;
    MRMESH_API void setComparisonReferenceValue( std::size_t i, std::optional<ComparisonReferenceValue::Var> value ) override;
 
protected:
    PointMeasurementObject( const PointMeasurementObject& other ) = default;
 
    MRMESH_API void swapBase_( Object& other ) override;
 
    MRMESH_API void serializeFields_( Json::Value& root ) const override;
    MRMESH_API void deserializeFields_( const Json::Value& root ) override;
 
    MRMESH_API void setupRenderObject_() const override;
 
 private:
    std::optional<Vector3f> referencePos_;
    std::optional<Vector3f> referenceNormal_; // Not necessarily normalized.
    std::optional<ComparisonTolerance> tolerance_;
 
    ViewportMask capVisibility_ = ViewportMask::all();
};
 
} // namespace MR