Frame.hpp

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#pragma once
 
#include "AstGlobal.h"
#include "AstUtil/Object.hpp"
#include "AstUtil/ObjectNamed.hpp"
 
AST_NAMESPACE_BEGIN
 
class Transform;
class KinematicTransform;
class Frame;
class Axes;
class Point;
 
AST_CORE_API errc_t aFrameTransform(Frame* source, Frame* target, const TimePoint& tp, Transform& transform);
 
AST_CORE_API errc_t aFrameTransform(Frame* source, Frame* target, const TimePoint& tp, KinematicTransform& transform);
 
 
class AST_CORE_API Frame: public ObjectNamed
{
public:
    AST_OBJECT(Frame)
 
    
    static Frame* Resolve(StringView value);
 
    Frame() = default;
    ~Frame() override= default;
 
    std::string getRepresentation() const override;
 
    CelestialBody* getBody();
 
    double getGM();
 
    virtual Frame* getParent() const;
    
    virtual errc_t getTransform(const TimePoint& tp, Transform& transform) const;
    
    virtual errc_t getTransform(const TimePoint& tp, KinematicTransform& transform) const;
    
    virtual Axes* getAxes() const = 0;
    
    virtual Point* getOrigin() const = 0;
public:
    errc_t getTransformTo(Frame* target, const TimePoint& tp, Transform& transform) const
    {
        return aFrameTransform(const_cast<Frame*>(this), target, tp, transform);
    }
    
    errc_t getTransformTo(Frame* target, const TimePoint& tp, KinematicTransform& transform) const
    {
        return aFrameTransform(const_cast<Frame*>(this), target, tp, transform);
    }
    
    errc_t getTransformFrom(Frame* source, const TimePoint& tp, Transform& transform) const
    {
        return aFrameTransform(source, const_cast<Frame*>(this), tp, transform);
    }
    
    errc_t getTransformFrom(Frame* source, const TimePoint& tp, KinematicTransform& transform) const
    {
        return aFrameTransform(source, const_cast<Frame*>(this), tp, transform);
    }
};
 
using PFrame = Frame*;                
using HFrame = SharedPtr<Frame>;      
 
AST_NAMESPACE_END