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Generic subparts placed at one of the bottom corners of the world bounding box of the transformed current selected instance (#1517)

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This commit is contained in:
Enrico Turri 2019-01-14 13:29:06 +01:00
parent cf8e4fd7b0
commit 01dc8e77ac
3 changed files with 43 additions and 0 deletions
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20
src/slic3r/GUI/GUI_ObjectList.cpp
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@ -895,9 +895,29 @@ void ObjectList::load_generic_subobject(const std::string& type_name, const int
auto new_volume = (*m_objects)[obj_idx]->add_volume(mesh);
new_volume->set_type(static_cast<ModelVolume::Type>(type));
#if !ENABLE_GENERIC_SUBPARTS_PLACEMENT
new_volume->set_offset(Vec3d(0.0, 0.0, (*m_objects)[obj_idx]->origin_translation(2) - mesh.stl.stats.min(2)));
#endif // !ENABLE_GENERIC_SUBPARTS_PLACEMENT
new_volume->center_geometry();
#if ENABLE_GENERIC_SUBPARTS_PLACEMENT
const GLCanvas3D::Selection& selection = wxGetApp().plater()->canvas3D()->get_selection();
int instance_idx = selection.get_instance_idx();
if (instance_idx != -1)
{
const GLVolume* v = selection.get_volume(*selection.get_volume_idxs().begin());
const Transform3d& inst_m = v->get_instance_transformation().get_matrix(true);
TriangleMesh vol_mesh(mesh);
vol_mesh.transform(inst_m);
Vec3d vol_shift = -vol_mesh.bounding_box().center();
vol_mesh.translate((float)vol_shift(0), (float)vol_shift(1), (float)vol_shift(2));
Vec3d world_mesh_bb_size = vol_mesh.bounding_box().size();
BoundingBoxf3 inst_bb = (*m_objects)[obj_idx]->instance_bounding_box(instance_idx);
Vec3d world_target = Vec3d(inst_bb.max(0), inst_bb.min(1), inst_bb.min(2)) + 0.5 * world_mesh_bb_size;
new_volume->set_offset(inst_m.inverse() * (world_target - v->get_instance_offset()));
}
#endif // ENABLE_GENERIC_SUBPARTS_PLACEMENT
new_volume->name = name;
// set a default extruder value, since user can't add it manually
new_volume->config.set_key_value("extruder", new ConfigOptionInt(0));