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#2428

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1) Reworked logic for pasting volumes

2) Fixed paste of volumes into different objects

3) Do not apply offset when pasting into the copied object

4) Keep source transformation matrix and relative positions when copy/pasting volumes into another object
This commit is contained in:
Enrico Turri
2019-06-24 12:26:11 +02:00
parent 1c895ee6a0
commit 6b0d75127b
4 changed files with 103 additions and 67 deletions
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46
src/slic3r/GUI/Selection.cpp
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@@ -1893,25 +1893,59 @@ bool Selection::is_from_fully_selected_instance(unsigned int volume_idx) const
void Selection::paste_volumes_from_clipboard()
{
int obj_idx = get_object_idx();
if ((obj_idx < 0) || ((int)m_model->objects.size() <= obj_idx))
int dst_obj_idx = get_object_idx();
if ((dst_obj_idx < 0) || ((int)m_model->objects.size() <= dst_obj_idx))
return;
ModelObject* dst_object = m_model->objects[dst_obj_idx];
int dst_inst_idx = get_instance_idx();
if ((dst_inst_idx < 0) || ((int)dst_object->instances.size() <= dst_inst_idx))
return;
ModelObject* src_object = m_clipboard.get_object(0);
if (src_object != nullptr)
{
ModelObject* dst_object = m_model->objects[obj_idx];
ModelInstance* dst_instance = dst_object->instances[dst_inst_idx];
BoundingBoxf3 dst_instance_bb = dst_object->instance_bounding_box(dst_inst_idx);
Transform3d src_matrix = src_object->instances[0]->get_transformation().get_matrix(true);
Transform3d dst_matrix = dst_instance->get_transformation().get_matrix(true);
bool from_same_object = (src_object->input_file == dst_object->input_file) && src_matrix.isApprox(dst_matrix);
// used to keep relative position of multivolume selections when pasting from another object
BoundingBoxf3 total_bb;
ModelVolumePtrs volumes;
for (ModelVolume* src_volume : src_object->volumes)
{
ModelVolume* dst_volume = dst_object->add_volume(*src_volume);
dst_volume->set_new_unique_id();
double offset = wxGetApp().plater()->canvas3D()->get_size_proportional_to_max_bed_size(0.05);
dst_volume->translate(offset, offset, 0.0);
if (from_same_object)
{
// // if the volume comes from the same object, apply the offset in world system
// double offset = wxGetApp().plater()->canvas3D()->get_size_proportional_to_max_bed_size(0.05);
// dst_volume->translate(dst_matrix.inverse() * Vec3d(offset, offset, 0.0));
}
else
{
// if the volume comes from another object, apply the offset as done when adding modifiers
// see ObjectList::load_generic_subobject()
total_bb.merge(dst_volume->mesh().bounding_box().transformed(src_volume->get_matrix()));
}
volumes.push_back(dst_volume);
}
wxGetApp().obj_list()->paste_volumes_into_list(obj_idx, volumes);
// keeps relative position of multivolume selections
if (!from_same_object)
{
for (ModelVolume* v : volumes)
{
v->set_offset((v->get_offset() - total_bb.center()) + dst_matrix.inverse() * (Vec3d(dst_instance_bb.max(0), dst_instance_bb.min(1), dst_instance_bb.min(2)) + 0.5 * total_bb.size() - dst_instance->get_transformation().get_offset()));
}
}
wxGetApp().obj_list()->paste_volumes_into_list(dst_obj_idx, volumes);
}
}