get_forage_demands.h

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// SPDX-FileCopyrightText: 2020 W. Traylor <wolfgang.traylor@senckenberg.de>
//
// SPDX-License-Identifier: LGPL-3.0-or-later
 
#ifndef FAUNA_GET_FORAGE_DEMANDS_H
#define FAUNA_GET_FORAGE_DEMANDS_H
 
#include <memory>
#include "forage_values.h"
#include "habitat_forage.h"
 
namespace Fauna {
class Hft;
enum class Sex;
 
 
class GetForageDemands {
 public:
 
  GetForageDemands(std::shared_ptr<const Hft> hft, const Sex sex);
 
 
  void add_eaten(ForageMass eaten_forage);
 
 
  static ForageMass get_max_intake_as_total_mass(
      const ForageFraction& mj_proportions,
      const ForageEnergyContent& mj_per_kg, const double kg_total);
 
 
  void init_today(const int day, const HabitatForage& available_forage,
                  const ForageEnergyContent& energy_content,
                  const double bodymass);
 
 
  bool is_day_initialized(const int day) const;
 
 
  ForageMass operator()(const double energy_needs);
 
 private:
  double get_bodymass_adult() const;
 
  const Hft& get_hft() const {
    assert(hft != NULL);
    return *hft;
  }
 
 
  ForageFraction get_diet_composition() const;
 
 
  ForageMass get_max_digestion() const;
 
 
  ForageMass get_max_foraging() const;
 
 
  int get_today() const;
 
  const std::shared_ptr<const Hft> hft;
  const Sex sex;
 
  HabitatForage available_forage;
  double bodymass;                     
  ForageFraction diet_composition;     
  Digestibility digestibility;         
  ForageEnergyContent energy_content;  
  double energy_needs;                 
  ForageMass max_intake;               
  int today;                           
};
 
}  // namespace Fauna
 
#endif  // FAUNA_GET_FORAGE_DEMANDS_H