rmt_node_list.h

//
// Created by RainSure on 2024/2/23.
//
 
#ifndef RSMESH_RMT_NODE_LIST_H
#define RSMESH_RMT_NODE_LIST_H
 
#include <array>
#include <unordered_map>
#include "isosurface/rmt_node.h"
#include "isosurface/isosurface_types.h"
namespace rsmesh::isosurface {
    namespace detail {
        class neighbor_cell_vectors : public std::array<cell_vector, 14> {
            using base = std::array<cell_vector, 14>;
 
        public:
            neighbor_cell_vectors();
        };
    } // namespace detail
 
    // Coefficients for the three primitive vectors
// to reproduce each NeighborVectors.
    extern const detail::neighbor_cell_vectors NeighborCellVectors;
 
    class rmt_node_list : std::unordered_map<cell_vector, rmt_node> {
        using base = std::unordered_map<cell_vector, rmt_node>;
 
    public:
        using base::at;
        using base::begin;
        using base::clear;
        using base::contains;
        using base::emplace;
        using base::end;
        using base::erase;
        using base::find;
        using base::size;
 
        rmt_node* node_ptr(const cell_vector& cv) {
            auto it = find(cv);
            return it != end() ? &it->second : nullptr;
        }
 
        rmt_node* neighbor_node_ptr(const cell_vector& cv, edge_index ei) {
            return node_ptr(cv + NeighborCellVectors.at(ei));
        }
    };
}
 
#endif //RSMESH_RMT_NODE_LIST_H