cell.h

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#ifndef CELL_H
#define CELL_H
 
#include <memory>
#include <vector>
#include <unordered_map>
#include <cstdint>
 
namespace mazes {
 
class cell {
public:
    explicit cell(int index);
    explicit cell(unsigned int row, unsigned int column, int index);
    void link(std::shared_ptr<cell> c1, std::shared_ptr<cell> c2, bool bidi=true);
    void unlink(std::shared_ptr<cell> c1, std::shared_ptr<cell> c2, bool bidi=true);
    std::unordered_map<std::shared_ptr<cell>, bool> get_links() const;
    bool is_linked(const std::shared_ptr<cell>& c) const;
 
    std::vector<std::shared_ptr<cell>> get_neighbors() const noexcept;
 
    unsigned int get_row() const;
    unsigned int get_column() const;
    int get_index() const;
    void set_index(int next_index) noexcept;
 
    std::shared_ptr<cell> get_north() const;
    std::shared_ptr<cell> get_south() const;
    std::shared_ptr<cell> get_east() const;
    std::shared_ptr<cell> get_west() const;
    
    void set_north(std::shared_ptr<cell> const& other);
    void set_south(std::shared_ptr<cell> const& other);
    void set_east(std::shared_ptr<cell> const& other);
    void set_west(std::shared_ptr<cell> const& other);
 
    std::shared_ptr<cell> get_left() const;
    std::shared_ptr<cell> get_right() const;
 
    void set_left(std::shared_ptr<cell> const& other_left);
    void set_right(std::shared_ptr<cell> const& other_right);
 
    void set_row(unsigned int r) noexcept;
    void set_column(unsigned int c) noexcept;   
 
private:
    bool has_key(const std::shared_ptr<cell>& c) const;
 
    std::unordered_map<std::shared_ptr<cell>, bool> m_links;
 
    unsigned int m_row, m_column;
    int m_index;
 
    std::shared_ptr<cell> m_north;
    std::shared_ptr<cell> m_south;
    std::shared_ptr<cell> m_east;
    std::shared_ptr<cell> m_west;
 
    std::shared_ptr<cell> m_left;
    std::shared_ptr<cell> m_right;
}; // class
 
} // namespace
 
#endif // CELL_H