ImplicitSurfaceNetwork/network_process/interface/process.hpp

#pragma once

#include <blobtree.hpp>

#include "settings.h"

struct parametric_plane_t {
    /// plane associated properties
    Eigen::AlignedBox2d                           uv_bounds{};
    /// chain associated properties
    stl_vector_mp<stl_vector_mp<Eigen::Vector2d>> chain_vertices{};
    // iff start/end vertex, then this is signular or not; else this is polar or not
    stl_vector_mp<dynamic_bitset_mp<>>            vertex_special_flags{};
    // format: total length is N - 1, and i identifies whether edge [i, i+1) is near parallel or not
    stl_vector_mp<dynamic_bitset_mp<>>            edge_near_parallel_flags{};
    // the other subface index (except the subface of the parameteric plane) of the chain
    stl_vector_mp<uint32_t>                       chain_other_subface_indices{};
    /// chain group (by neighboring patch) associated properties
    stl_vector_mp<stl_vector_mp<uint16_t>>        chain_group_indices{};
};

ISNP_API void build_implicit_network_by_blobtree(const s_settings&                                settings,
                                                 const baked_blobtree_t&                          tree,
                                                 stl_vector_mp<Eigen::Vector3d>&                  output_vertices,
                                                 stl_vector_mp<uint32_t>&                         output_polygon_faces,
                                                 stl_vector_mp<uint32_t>&                         output_vertex_counts_of_face,
                                                 flat_hash_map_mp<uint32_t, parameteric_plane_t>& output_parameteric_planes);