Program Listing for File GenomeGetter.hpp

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#pragma once
#ifndef DISH2_VIZ_GETTERS_GENOMEGETTER_HPP_INCLUDE
#define DISH2_VIZ_GETTERS_GENOMEGETTER_HPP_INCLUDE

#include <functional>

#include "../../cell/Cell.hpp"
#include "../../config/cfg.hpp"
#include "../../genome/Genome.hpp"
#include "../../genome/RootID.hpp"
#include "../../world/ThreadWorld.hpp"

namespace dish2 {

template<typename Spec>
class GenomeGetter {

  std::reference_wrapper<const dish2::ThreadWorld<Spec>> thread_world;

public:

  using value_type = dish2::Genome<Spec>;

  template< typename... Args >
  GenomeGetter(
    const dish2::ThreadWorld<Spec>& thread_world_,
    Args&&...
  )
  : thread_world(thread_world_)
  {}

  const value_type& Get(
    const size_t cell_idx, const size_t cardinal_idx=0
  ) const {
    if ( thread_world.get().GetCell( cell_idx ).genome.has_value() ) {
      return thread_world.get().GetCell( cell_idx ).GetGenome();
    } else {
      const static Genome< Spec > genome{};
      return genome;
    }
  }

  size_t GetNumCells() const { return thread_world.get().GetSize(); }

  size_t GetNumCardinals( const size_t cell_idx=0 ) const {
    return thread_world.get().GetCell( cell_idx ).GetNumCardinals();
  }

};

} // namespace dish2

#endif // #ifndef DISH2_VIZ_GETTERS_GENOMEGETTER_HPP_INCLUDE