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#ifndef REPROJECTPOINTSONMESH_HPP
#define REPROJECTPOINTSONMESH_HPP
#include "libslic3r/Point.hpp"
#include "SupportPoint.hpp"
#include "Hollowing.hpp"
#include "IndexedMesh.hpp"
#include "libslic3r/Model.hpp"
#include <tbb/parallel_for.h>
namespace Slic3r { namespace sla {
template<class Pt> Vec3d pos(const Pt &p) { return p.pos.template cast<double>(); }
template<class Pt> void pos(Pt &p, const Vec3d &pp) { p.pos = pp.cast<float>(); }
template<class PointType>
void reproject_support_points(const IndexedMesh &mesh, std::vector<PointType> &pts)
{
tbb::parallel_for(size_t(0), pts.size(), [&mesh, &pts](size_t idx) {
int junk;
Vec3d new_pos;
mesh.squared_distance(pos(pts[idx]), junk, new_pos);
pos(pts[idx], new_pos);
});
}
inline void reproject_points_and_holes(ModelObject *object)
{
bool has_sppoints = !object->sla_support_points.empty();
// Disabling reprojection of holes as they have a significant offset away
// from the model body which tolerates minor geometrical changes.
//
// TODO: uncomment and ensure the right offset of the hole points if
// reprojection would still be necessary.
// bool has_holes = !object->sla_drain_holes.empty();
if (!object || (/*!has_holes &&*/ !has_sppoints)) return;
TriangleMesh rmsh = object->raw_mesh();
rmsh.require_shared_vertices();
IndexedMesh emesh{rmsh};
if (has_sppoints)
reproject_support_points(emesh, object->sla_support_points);
// if (has_holes)
// reproject_support_points(emesh, object->sla_drain_holes);
}
}}
#endif // REPROJECTPOINTSONMESH_HPP
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