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Add Feature to disable snapping to buildplate (#11801)

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* identified code for snapping to buidlplate

* rename internal name to ensure_on_bed to be consistent, saves option in 2mf, finish Move UI, use in both ensure_on_bed() functions

* makes auto_drop a per-object setting, removes global setting

* remove adUndef, add auto_drop to constructor/serialize

* fixes drop() button

* add "auto_drop" checkmark to "load as single object" dialog,
nothing changes if auto_drop == yes || "load as single object",
if auto_drop == false and "load as single object" == false the objects now retain their relative position to each other

* retains auto_drop (and printable) state when assembling or splitting objects,
adds ObjectList::printable_state_changed()  overload to be able to only provide ModelObject* vector

* adds dialog when splitting to ask if auto_drop should be disabled,
only shows when auto_drop enabled and atleast one volume  floating

* adds arrow indicator on bounding box if auto_drop == false

* removes unneeded code, keeps "auto_drop" naming consistent

* makes for loop simpler in set_printable, set_auto_drop and get_auto_drop,
makes get_auto_drop const,
fixes wording in Snapshot text

---------

Co-authored-by: Hanno Witzleb <hannowitzleb@gmail.com>
Co-authored-by: SoftFever <softfeverever@gmail.com>
Co-authored-by: Ian Bassi <ian.bassi@outlook.com>
This commit is contained in:
Hanno Witzleb
2026-04-15 16:36:25 +02:00
committed by GitHub
parent f02aa7200e
commit f7ef8a14bd
15 changed files with 583 additions and 213 deletions
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12
src/libslic3r/Model.cpp
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@@ -14,6 +14,7 @@
#include "Format/AMF.hpp"
#include "Format/svg.hpp"
#include "Format/bbs_3mf.hpp"
#include "Format/DRC.hpp"
// BBS
#include "FaceDetector.hpp"
@@ -1088,7 +1089,6 @@ bool Model::is_fuzzy_skin_painted() const
return std::any_of(this->objects.cbegin(), this->objects.cend(), [](const ModelObject *mo) { return mo->is_fuzzy_skin_painted(); });
}
static void add_cut_volume(TriangleMesh& mesh, ModelObject* object, const ModelVolume* src_volume, const Transform3d& cut_matrix, const std::string& suffix = {}, ModelVolumeType type = ModelVolumeType::MODEL_PART)
{
if (mesh.empty())
@@ -1734,8 +1734,14 @@ void ModelObject::ensure_on_bed(bool allow_negative_z)
else
z_offset = -this->min_z();
if (z_offset != 0.0)
translate_instances(z_offset * Vec3d::UnitZ());
if (z_offset != 0.0) {
for (size_t i = 0; i < instances.size(); ++i) {
if (!instances[i]->auto_drop)
continue;
translate_instance(i, z_offset * Vec3d::UnitZ());
}
}
}
void ModelObject::translate_instances(const Vec3d& vector)