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Fixes of two crashes in paint-on supports

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Lukas Matena 2020-08-11 12:15:44 +02:00
parent 12f43736bd
commit fd93d9768d
2 changed files with 5 additions and 3 deletions
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3
src/libslic3r/PrintObject.cpp
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@ -2823,8 +2823,9 @@ void PrintObject::project_and_append_custom_supports(
// Now append the collected polygons to respective layers. // Now append the collected polygons to respective layers.
for (auto& trg : projections_of_triangles) { for (auto& trg : projections_of_triangles) {
int layer_id = trg.first_layer_id; int layer_id = trg.first_layer_id;
for (const LightPolygon& poly : trg.polygons) { for (const LightPolygon& poly : trg.polygons) {
if (layer_id >= int(expolys.size()))
break; // part of triangle could be projected above top layer
expolys[layer_id].emplace_back(std::move(poly.pts)); expolys[layer_id].emplace_back(std::move(poly.pts));
++layer_id; ++layer_id;
} }

5
src/libslic3r/TriangleSelector.cpp
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@ -60,8 +60,9 @@ void TriangleSelector::select_patch(const Vec3f& hit, int facet_start,
if (select_triangle(facet, new_state)) { if (select_triangle(facet, new_state)) {
// add neighboring facets to list to be proccessed later // add neighboring facets to list to be proccessed later
for (int n=0; n<3; ++n) { for (int n=0; n<3; ++n) {
if (faces_camera(m_mesh->stl.neighbors_start[facet].neighbor[n])) int neighbor_idx = m_mesh->stl.neighbors_start[facet].neighbor[n];
facets_to_check.push_back(m_mesh->stl.neighbors_start[facet].neighbor[n]); if (neighbor_idx >=0 && faces_camera(neighbor_idx))
facets_to_check.push_back(neighbor_idx);
} }
} }
} }