PrusaSlicer-NonPlainar/src/libslic3r/SLA/Hollowing.hpp
2021-06-08 10:28:23 +02:00

110 lines
3.1 KiB
C++

#ifndef SLA_HOLLOWING_HPP
#define SLA_HOLLOWING_HPP
#include <memory>
#include <libslic3r/TriangleMesh.hpp>
#include <libslic3r/SLA/JobController.hpp>
namespace Slic3r {
namespace sla {
struct HollowingConfig
{
double min_thickness = 2.;
double quality = 0.5;
double closing_distance = 0.5;
bool enabled = true;
};
enum HollowingFlags { hfRemoveInsideTriangles = 0x1 };
// All data related to a generated mesh interior. Includes the 3D grid and mesh
// and various metadata. No need to manipulate from outside.
struct Interior;
struct InteriorDeleter { void operator()(Interior *p); };
using InteriorPtr = std::unique_ptr<Interior, InteriorDeleter>;
indexed_triangle_set & get_mesh(Interior &interior);
const indexed_triangle_set &get_mesh(const Interior &interior);
struct DrainHole
{
Vec3f pos;
Vec3f normal;
float radius;
float height;
bool failed = false;
DrainHole()
: pos(Vec3f::Zero()), normal(Vec3f::UnitZ()), radius(5.f), height(10.f)
{}
DrainHole(Vec3f p, Vec3f n, float r, float h, bool fl = false)
: pos(p), normal(n), radius(r), height(h), failed(fl)
{}
DrainHole(const DrainHole& rhs) :
DrainHole(rhs.pos, rhs.normal, rhs.radius, rhs.height, rhs.failed) {}
bool operator==(const DrainHole &sp) const;
bool operator!=(const DrainHole &sp) const { return !(sp == (*this)); }
bool is_inside(const Vec3f& pt) const;
bool get_intersections(const Vec3f& s, const Vec3f& dir,
std::array<std::pair<float, Vec3d>, 2>& out) const;
indexed_triangle_set to_mesh() const;
template<class Archive> inline void serialize(Archive &ar)
{
ar(pos, normal, radius, height, failed);
}
static constexpr size_t steps = 32;
};
using DrainHoles = std::vector<DrainHole>;
constexpr float HoleStickOutLength = 1.f;
InteriorPtr generate_interior(const TriangleMesh &mesh,
const HollowingConfig & = {},
const JobController &ctl = {});
// Will do the hollowing
void hollow_mesh(TriangleMesh &mesh, const HollowingConfig &cfg, int flags = 0);
// Hollowing prepared in "interior", merge with original mesh
void hollow_mesh(TriangleMesh &mesh, const Interior &interior, int flags = 0);
void remove_inside_triangles(TriangleMesh &mesh, const Interior &interior,
const std::vector<bool> &exclude_mask = {});
double get_distance(const Vec3f &p, const Interior &interior);
template<class T>
FloatingOnly<T> get_distance(const Vec<3, T> &p, const Interior &interior)
{
return get_distance(Vec3f(p.template cast<float>()), interior);
}
void cut_drainholes(std::vector<ExPolygons> & obj_slices,
const std::vector<float> &slicegrid,
float closing_radius,
const sla::DrainHoles & holes,
std::function<void(void)> thr);
inline void swap_normals(indexed_triangle_set &its)
{
for (auto &face : its.indices)
std::swap(face(0), face(2));
}
} // namespace sla
} // namespace Slic3r
#endif // HOLLOWINGFILTER_H