masked_grid.h

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#ifndef MASKED_GRID_H
#define MASKED_GRID_H
 
#include <MazeBuilder/grid.h>
#include <MazeBuilder/mask.h>
#include <MazeBuilder/randomizer.h>
 
#include <memory>
 
namespace mazes
{
    class cell;
 
    class masked_grid : public grid
    {
    public:
        // Non-copyable (contains a mask with non-trivial state)
        masked_grid(const masked_grid&) = delete;
        masked_grid& operator=(const masked_grid&) = delete;
 
        masked_grid(masked_grid&&) noexcept = default;
        masked_grid& operator=(masked_grid&&) noexcept = default;
 
        explicit masked_grid(mask m);
 
        ~masked_grid() override = default;
 
        std::shared_ptr<cell> search(int index) const noexcept override;
 
        int num_cells() const noexcept override;
 
        const mask& get_mask() const noexcept;
 
        std::shared_ptr<cell> random_cell(randomizer& rng) const noexcept;
 
    private:
        mask m_mask;
    };
} // namespace mazes
 
#endif // MASKED_GRID_H