distance_grid.h

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#ifndef DISTANCE_GRID_H
#define DISTANCE_GRID_H
 
#include <MazeBuilder/grid_interface.h>
 
#include <future>
#include <memory>
#include <string>
#include <unordered_map>
 
namespace mazes {
 
class cell;
class distances;
class grid;
class grid_operations;
 
class distance_grid : public grid_interface {
public:
 
    // Delete copy constructor and copy assignment operator to fix the static assertion failure  
    distance_grid(const distance_grid&) = delete;
    distance_grid& operator=(const distance_grid&) = delete;
 
    // Explicitly define move constructor and move assignment operator  
    distance_grid(distance_grid&&) noexcept = default;
    distance_grid& operator=(distance_grid&&) noexcept = default;
 
    explicit distance_grid(unsigned int width = 1u, unsigned int length = 1u, unsigned int levels = 1u);
 
    //void configure(const std::vector<int>& indices) noexcept override;
 
    virtual std::string contents_of(std::shared_ptr<cell> const& c) const noexcept override;
 
    virtual std::uint32_t background_color_for(std::shared_ptr<cell> const& c) const noexcept override;
 
    // Delegate to embedded grid
    grid_operations& operations() noexcept override;
 
    const grid_operations& operations() const noexcept;
 
    void calculate_distances(int start_index, int end_index) noexcept;
 
    std::shared_ptr<distances> get_distances() const noexcept;
private:
 
    std::shared_ptr<distances> m_distances;
 
    std::unique_ptr<grid_interface> m_grid;
 
    std::string to_base36(int value) const;
};
}
 
#endif // DISTANCE_GRID_H