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Follow-up to 77548df00f

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(Fixed missing sinking property in objects list for multipart objects
with a part completely below the printbed):

It was not possible to slice an object with some part completely below
the print bed. The BuildVolume collision check newly supports
a "completely below print bed" return status,
Model evaluates this "completely below print bed status" allowing
objects with some volumes completely below the print bed to print.
This commit is contained in:
Vojtech Bubnik
2021-11-19 10:32:40 +01:00
parent 8a0c492583
commit f5c23871e8
4 changed files with 44 additions and 21 deletions
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39
src/slic3r/GUI/3DScene.cpp
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@@ -932,9 +932,11 @@ void GLVolumeCollection::render(GLVolumeCollection::ERenderType type, bool disab
bool GLVolumeCollection::check_outside_state(const BuildVolume &build_volume, ModelInstanceEPrintVolumeState *out_state) const
{
const Model& model = GUI::wxGetApp().plater()->model();
auto volume_below = [](GLVolume& volume) -> bool
{ return volume.object_idx() != -1 && volume.volume_idx() != -1 && volume.is_below_printbed(); };
// Volume is partially below the print bed, thus a pre-calculated convex hull cannot be used.
auto volume_sinking = [](GLVolume& volume) -> bool
{ return volume.is_sinking() && volume.object_idx() != -1 && volume.volume_idx() != -1; };
{ return volume.object_idx() != -1 && volume.volume_idx() != -1 && volume.is_sinking(); };
// Cached bounding box of a volume above the print bed.
auto volume_bbox = [volume_sinking](GLVolume& volume) -> BoundingBoxf3
{ return volume_sinking(volume) ? volume.transformed_non_sinking_bounding_box() : volume.transformed_convex_hull_bounding_box(); };
@@ -948,21 +950,26 @@ bool GLVolumeCollection::check_outside_state(const BuildVolume &build_volume, Mo
for (GLVolume* volume : this->volumes)
if (! volume->is_modifier && (volume->shader_outside_printer_detection_enabled || (! volume->is_wipe_tower && volume->composite_id.volume_id >= 0))) {
BuildVolume::ObjectState state;
switch (build_volume.type()) {
case BuildVolume::Type::Rectangle:
//FIXME this test does not evaluate collision of a build volume bounding box with non-convex objects.
state = build_volume.volume_state_bbox(volume_bbox(*volume));
break;
case BuildVolume::Type::Circle:
case BuildVolume::Type::Convex:
//FIXME doing test on convex hull until we learn to do test on non-convex polygons efficiently.
case BuildVolume::Type::Custom:
state = build_volume.object_state(volume_convex_mesh(*volume).its, volume->world_matrix().cast<float>(), volume_sinking(*volume));
break;
default:
// Ignore, don't produce any collision.
state = BuildVolume::ObjectState::Inside;
break;
if (volume_below(*volume))
state = BuildVolume::ObjectState::Below;
else {
switch (build_volume.type()) {
case BuildVolume::Type::Rectangle:
//FIXME this test does not evaluate collision of a build volume bounding box with non-convex objects.
state = build_volume.volume_state_bbox(volume_bbox(*volume));
break;
case BuildVolume::Type::Circle:
case BuildVolume::Type::Convex:
//FIXME doing test on convex hull until we learn to do test on non-convex polygons efficiently.
case BuildVolume::Type::Custom:
state = build_volume.object_state(volume_convex_mesh(*volume).its, volume->world_matrix().cast<float>(), volume_sinking(*volume));
break;
default:
// Ignore, don't produce any collision.
state = BuildVolume::ObjectState::Inside;
break;
}
assert(state != BuildVolume::ObjectState::Below);
}
volume->is_outside = state != BuildVolume::ObjectState::Inside;
if (volume->printable) {