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