grid.h

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#ifndef GRID_H
#define GRID_H
 
#include <MazeBuilder/enums.h>
#include <MazeBuilder/grid_interface.h>
#include <MazeBuilder/grid_operations.h>
 
#include <atomic>
#include <cstdint>
#include <functional>
#include <memory>
#include <mutex>
#include <optional>
#include <string>
#include <tuple>
#include <unordered_map>
#include <vector>
 
namespace mazes
{
 
    class cell;
 
    class grid : public grid_interface, public grid_operations
    {
 
    public:
        explicit grid(unsigned int rows = 1u, unsigned int columns = 1u, unsigned int levels = 1u);
 
        explicit grid(std::tuple<unsigned int, unsigned int, unsigned int> dimens);
 
        grid(const grid &other);
 
        grid &operator=(const grid &other);
 
        grid(grid &&other) noexcept;
 
        grid &operator=(grid &&other) noexcept;
 
        ~grid() override;
 
        grid_operations &operations() noexcept override;
 
        const grid_operations &operations() const noexcept override;
 
        std::tuple<unsigned int, unsigned int, unsigned int> get_dimensions() const 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;
 
        virtual std::shared_ptr<cell> get_neighbor(std::shared_ptr<cell> const &c, Direction dir) const noexcept override;
 
        virtual std::vector<std::shared_ptr<cell>> get_neighbors(std::shared_ptr<cell> const &c) const noexcept override;
 
        virtual void set_neighbor(const std::shared_ptr<cell> &c, Direction dir, std::shared_ptr<cell> const &neighbor) noexcept override;
 
        // Convenience methods for accessing neighbors
        virtual std::shared_ptr<cell> get_north(const std::shared_ptr<cell> &c) const noexcept override;
        virtual std::shared_ptr<cell> get_south(const std::shared_ptr<cell> &c) const noexcept override;
        virtual std::shared_ptr<cell> get_east(const std::shared_ptr<cell> &c) const noexcept override;
        virtual std::shared_ptr<cell> get_west(const std::shared_ptr<cell> &c) const noexcept override;
 
        virtual std::shared_ptr<cell> search(int index) const noexcept override;
 
        virtual int num_cells() const noexcept override;
 
        virtual void clear_cells() noexcept override;
 
        virtual void set_str(std::string const &str) noexcept override;
 
        virtual std::string get_str() const noexcept override;
 
        virtual std::vector<std::tuple<int, int, int, int>> get_vertices() const noexcept override;
 
        virtual void set_vertices(const std::vector<std::tuple<int, int, int, int>> &vertices) noexcept override;
 
        virtual std::vector<std::vector<std::uint32_t>> get_faces() const noexcept override;
 
        virtual void set_faces(const std::vector<std::vector<std::uint32_t>> &faces) noexcept override;
 
    private:
        std::unordered_map<int, std::shared_ptr<cell>> m_cells;
 
        std::tuple<unsigned int, unsigned int, unsigned int> m_dimensions;
 
        // Store topology - which cell is neighbor to which in what direction
        // Key: cell index, Value: map of direction to neighbor cell index
        mutable std::mutex m_topology_mutex;
        std::unordered_map<int, std::unordered_map<Direction, int>> m_topology;
 
        std::string m_str;
 
        // 3D data
        std::vector<std::tuple<int, int, int, int>> m_vertices;
        std::vector<std::vector<std::uint32_t>> m_faces;
    };
 
} // namespace mazes
 
#endif // GRID_H