HPOPEquation.hpp

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#pragma once
 
#include "AstGlobal.h"
#include "AstMath/OrdinaryDifferentialEquation.hpp"
#include "AstCore/BlockDynamicSystem.hpp"
#include "AstCore/SimTime.hpp"
#include "AstCore/HPOPForceModel.hpp"
#include "AstCore/Frame.hpp"
#include "AstCore/SpacecraftParam.hpp"
#include <memory>
 
 
AST_NAMESPACE_BEGIN
 
class FuncBlock;
class BlockDrag;
class BlockSRP;
class BlockDerivative;
class HPOPForceModel;
 
class AST_CORE_API HPOPEquation : public OrdinaryDifferentialEquation
{
public:
    HPOPEquation();
    ~HPOPEquation();
 
    A_DISABLE_COPY(HPOPEquation);
 
    int getDimension() const final;
 
    errc_t evaluate(const double* y, double* dy, double t) final;
 
    void setEpoch(const TimePoint& epoch){ epoch_ = epoch; }
 
    const BlockDynamicSystem& dynamicSystem() const { return dynamicSystem_; }
    BlockDynamicSystem& dynamicSystem() { return dynamicSystem_; }
    
    errc_t initialize(const HPOPForceModel& forceModel, const SpacecraftParam& spacecraftParam, Frame* frame = nullptr);
public:
    BlockDrag* dragBlock() const { return dragBlock_; }
    BlockSRP* srpBlock() const { return srpBlock_; }
private:
    void addBlock(FuncBlock* block);
    void addBlock(BlockDerivative* block);
    void reset();
    errc_t initBlocks(const HPOPForceModel& forceModel, const SpacecraftParam &spacecraftParam, Frame* frame);
private:
    BlockDynamicSystem      dynamicSystem_{};     
    TimePoint               epoch_{};             
    BlockDrag*              dragBlock_{};         
    BlockSRP*               srpBlock_{};          
};
 
AST_NAMESPACE_END