3DPrinting/PrusaSlicer-NonPlainar
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Make sure that when drill holes are manipulated with, all data are invalidated properly

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It is needed to regenerate hollow_mesh_with_holes completely, it may contain holes that were deleted by the user in the meantime
This commit is contained in:
Lukas Matena 2020-02-03 17:29:15 +01:00
parent ad3e3be3bc
commit d0f21dda4a
2 changed files with 28 additions and 16 deletions
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2
src/libslic3r/SLAPrint.hpp
View file

@ -84,7 +84,7 @@ public:
// Get the mesh that is going to be printed with all the modifications
// like hollowing and drilled holes.
const TriangleMesh & get_mesh_to_print() const {
return m_hollowing_data ? m_hollowing_data->hollow_mesh_with_holes : transformed_mesh();
return (m_hollowing_data && is_step_done(slaposDrillHoles)) ? m_hollowing_data->hollow_mesh_with_holes : transformed_mesh();
}
// This will return the transformed mesh which is cached

42
src/libslic3r/SLAPrintSteps.cpp
View file

@ -99,17 +99,37 @@ void SLAPrint::Steps::hollow_model(SLAPrintObject &po)
else {
po.m_hollowing_data.reset(new SLAPrintObject::HollowingData());
po.m_hollowing_data->interior = *meshptr;
auto &hollowed_mesh = po.m_hollowing_data->hollow_mesh_with_holes;
hollowed_mesh = po.transformed_mesh();
hollowed_mesh.merge(po.m_hollowing_data->interior);
hollowed_mesh.require_shared_vertices();
}
}
// Drill holes into the hollowed/original mesh.
void SLAPrint::Steps::drill_holes(SLAPrintObject &po)
{
// Drill holes into the hollowed/original mesh.
if (po.m_model_object->sla_drain_holes.empty()) {
bool needs_drilling = ! po.m_model_object->sla_drain_holes.empty();
bool is_hollowed = (po.m_hollowing_data && ! po.m_hollowing_data->interior.empty());
if (! is_hollowed && ! needs_drilling) {
// In this case we can dump any data that might have been
// generated on previous runs.
po.m_hollowing_data.reset();
return;
}
if (! po.m_hollowing_data)
po.m_hollowing_data.reset(new SLAPrintObject::HollowingData());
// Hollowing and/or drilling is active, m_hollowing_data is valid.
// Regenerate hollowed mesh, even if it was there already. It may contain
// holes that are no longer on the frontend.
TriangleMesh &hollowed_mesh = po.m_hollowing_data->hollow_mesh_with_holes;
hollowed_mesh = po.transformed_mesh();
if (! po.m_hollowing_data->interior.empty()) {
hollowed_mesh.merge(po.m_hollowing_data->interior);
hollowed_mesh.require_shared_vertices();
}
if (! needs_drilling) {
BOOST_LOG_TRIVIAL(info) << "Drilling skipped (no holes).";
return;
}
@ -125,17 +145,9 @@ void SLAPrint::Steps::drill_holes(SLAPrintObject &po)
holes_mesh.require_shared_vertices();
MeshBoolean::cgal::self_union(holes_mesh); //FIXME-fix and use the cgal version
// If there is no hollowed mesh yet, copy the original mesh.
if (! po.m_hollowing_data) {
po.m_hollowing_data.reset(new SLAPrintObject::HollowingData());
po.m_hollowing_data->hollow_mesh_with_holes = po.transformed_mesh();
}
TriangleMesh &hollowed_mesh = po.m_hollowing_data->hollow_mesh_with_holes;
try {
MeshBoolean::cgal::minus(hollowed_mesh, holes_mesh);
} catch (const std::runtime_error &ex) {
} catch (const std::runtime_error&) {
throw std::runtime_error(L(
"Drilling holes into the mesh failed. "
"This is usually caused by broken model. Try to fix it first."));