ImplicitSurfaceNetwork/primitive_process/interface/data/data_center.hpp

#pragma once

#include <macros.h>

#include "primitive/simple/sphere.hpp"
#include "primitive/simple/cylinder.hpp"

template <typename Surface, typename Tag>
using surface_container_t = tagged_flat_object_map_mp<internal::paired_model_matrix_ptr_t, Surface, Tag>;

using plane_container_t    = surface_container_t<internal::plane_t, detail::plane_surface_tag>;
using sphere_container_t   = surface_container_t<internal::sphere_face_t, detail::sphere_surface_tag>;
using cylinder_container_t = surface_container_t<internal::cylinder_face_t, detail::cylinder_surface_tag>;

EXTERN_C struct PE_API primitive_data_center_t {
    primitive_data_center_t() noexcept;
    ~primitive_data_center_t() noexcept;

    flat_object_map_mp<internal::paired_model_matrix, internal::paired_model_matrix> transform_blocks{};
    // all other data depend on cached transform_blocks
    using surface_containers = std::variant<plane_container_t, sphere_container_t, cylinder_container_t>;
    std::array<surface_containers, static_cast<uint8_t>(surface_type::max_count)> surfaces{};

    auto require_transform_block(const internal::paired_model_matrix& matrix) -> internal::paired_model_matrix_ptr_t;
    void require_surface(surface_type                               type,
                         const internal::paired_model_matrix_ptr_t& matrix,
                         marked_subface_ptr_t<subface>&             subface);
    void release_transform_block(const internal::paired_model_matrix& matrix);
    void release_surface(surface_type type, const marked_subface_ptr_t<subface>& subface);
};

namespace internal
{
PE_API primitive* new_primitive(primitive_type type);
PE_API primitive* copy_primitive(primitive* ptr);
} // namespace internal