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Tech ENABLE_TRANSFORMATIONS_BY_MATRICES - 1st installment. Geometry::Transformation modified to store data in a single matrix, without store the matrix components

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Fixed conflicts during rebase with master
This commit is contained in:
enricoturri1966 2022-04-29 13:51:58 +02:00
parent a4c0d99616
commit 7e72963293
23 changed files with 9768 additions and 9095 deletions
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182
src/libslic3r/Geometry.cpp
View file

@ -313,6 +313,34 @@ Transform3d assemble_transform(const Vec3d& translation, const Vec3d& rotation,
return transform;
}
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
void rotation_transform(Transform3d& transform, const Vec3d& rotation)
{
transform = Transform3d::Identity();
transform.rotate(Eigen::AngleAxisd(rotation.z(), Vec3d::UnitZ()) * Eigen::AngleAxisd(rotation.y(), Vec3d::UnitY()) * Eigen::AngleAxisd(rotation.x(), Vec3d::UnitX()));
}
Transform3d rotation_transform(const Vec3d& rotation)
{
Transform3d transform;
rotation_transform(transform, rotation);
return transform;
}
void scale_transform(Transform3d& transform, const Vec3d& scale)
{
transform = Transform3d::Identity();
transform.scale(scale);
}
Transform3d scale_transform(const Vec3d& scale)
{
Transform3d transform;
scale_transform(transform, scale);
return transform;
}
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
Vec3d extract_euler_angles(const Eigen::Matrix<double, 3, 3, Eigen::DontAlign>& rotation_matrix)
{
// reference: http://eecs.qmul.ac.uk/~gslabaugh/publications/euler.pdf
@ -363,6 +391,46 @@ Vec3d extract_euler_angles(const Transform3d& transform)
return extract_euler_angles(m);
}
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
Transform3d Transformation::get_offset_matrix() const
{
return assemble_transform(get_offset());
}
static Transform3d extract_rotation(const Transform3d& trafo)
{
Matrix3d rotation;
Matrix3d scale;
trafo.computeRotationScaling(&rotation, &scale);
return Transform3d(rotation);
}
static Transform3d extract_scale(const Transform3d& trafo)
{
Matrix3d rotation;
Matrix3d scale;
trafo.computeRotationScaling(&rotation, &scale);
return Transform3d(scale);
}
static std::pair<Transform3d, Transform3d> extract_rotation_scale(const Transform3d& trafo)
{
Matrix3d rotation;
Matrix3d scale;
trafo.computeRotationScaling(&rotation, &scale);
return { Transform3d(rotation), Transform3d(scale) };
}
Vec3d Transformation::get_rotation() const
{
return extract_euler_angles(extract_rotation(m_matrix));
}
Transform3d Transformation::get_rotation_matrix() const
{
return extract_rotation(m_matrix);
}
#else
bool Transformation::Flags::needs_update(bool dont_translate, bool dont_rotate, bool dont_scale, bool dont_mirror) const
{
return (this->dont_translate != dont_translate) || (this->dont_rotate != dont_rotate) || (this->dont_scale != dont_scale) || (this->dont_mirror != dont_mirror);
@ -400,12 +468,19 @@ void Transformation::set_offset(Axis axis, double offset)
m_dirty = true;
}
}
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
void Transformation::set_rotation(const Vec3d& rotation)
{
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
const Vec3d offset = get_offset();
m_matrix = rotation_transform(rotation) * extract_scale(m_matrix);
m_matrix.translation() = offset;
#else
set_rotation(X, rotation.x());
set_rotation(Y, rotation.y());
set_rotation(Z, rotation.z());
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
}
void Transformation::set_rotation(Axis axis, double rotation)
@ -414,32 +489,106 @@ void Transformation::set_rotation(Axis axis, double rotation)
if (is_approx(std::abs(rotation), 2.0 * double(PI)))
rotation = 0.0;
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
auto [curr_rotation, scale] = extract_rotation_scale(m_matrix);
Vec3d angles = extract_euler_angles(curr_rotation);
angles[axis] = rotation;
const Vec3d offset = get_offset();
m_matrix = rotation_transform(angles) * scale;
m_matrix.translation() = offset;
#else
if (m_rotation(axis) != rotation) {
m_rotation(axis) = rotation;
m_dirty = true;
}
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
}
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
Vec3d Transformation::get_scaling_factor() const
{
const Transform3d scale = extract_scale(m_matrix);
return { scale(0, 0), scale(1, 1), scale(2, 2) };
}
Transform3d Transformation::get_scaling_factor_matrix() const
{
return extract_scale(m_matrix);
}
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
void Transformation::set_scaling_factor(const Vec3d& scaling_factor)
{
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
assert(scaling_factor.x() > 0.0 && scaling_factor.y() > 0.0 && scaling_factor.z() > 0.0);
const Vec3d offset = get_offset();
m_matrix = extract_rotation(m_matrix) * scale_transform(scaling_factor);
m_matrix.translation() = offset;
#else
set_scaling_factor(X, scaling_factor.x());
set_scaling_factor(Y, scaling_factor.y());
set_scaling_factor(Z, scaling_factor.z());
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
}
void Transformation::set_scaling_factor(Axis axis, double scaling_factor)
{
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
assert(scaling_factor > 0.0);
auto [rotation, scale] = extract_rotation_scale(m_matrix);
scale(axis, axis) = scaling_factor;
const Vec3d offset = get_offset();
m_matrix = rotation * scale;
m_matrix.translation() = offset;
#else
if (m_scaling_factor(axis) != std::abs(scaling_factor)) {
m_scaling_factor(axis) = std::abs(scaling_factor);
m_dirty = true;
}
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
}
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
Vec3d Transformation::get_mirror() const
{
const Transform3d scale = extract_scale(m_matrix);
return { scale(0, 0) / std::abs(scale(0, 0)), scale(1, 1) / std::abs(scale(1, 1)), scale(2, 2) / std::abs(scale(2, 2)) };
}
Transform3d Transformation::get_mirror_matrix() const
{
const Vec3d scale = get_scaling_factor();
return scale_transform({ scale.x() / std::abs(scale.x()), scale.y() / std::abs(scale.y()), scale.z() / std::abs(scale.z()) });
}
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
void Transformation::set_mirror(const Vec3d& mirror)
{
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
Vec3d copy(mirror);
const Vec3d abs_mirror = copy.cwiseAbs();
for (int i = 0; i < 3; ++i) {
if (abs_mirror(i) == 0.0)
copy(i) = 1.0;
else if (abs_mirror(i) != 1.0)
copy(i) /= abs_mirror(i);
}
const Vec3d curr_scale = get_scaling_factor();
const Vec3d signs = curr_scale.cwiseProduct(copy);
set_scaling_factor({
signs.x() < 0.0 ? std::abs(curr_scale.x()) * copy.x() : curr_scale.x(),
signs.y() < 0.0 ? std::abs(curr_scale.y()) * copy.y() : curr_scale.y(),
signs.z() < 0.0 ? std::abs(curr_scale.z()) * copy.z() : curr_scale.z()
});
#else
set_mirror(X, mirror.x());
set_mirror(Y, mirror.y());
set_mirror(Z, mirror.z());
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
}
void Transformation::set_mirror(Axis axis, double mirror)
@ -450,12 +599,19 @@ void Transformation::set_mirror(Axis axis, double mirror)
else if (abs_mirror != 1.0)
mirror /= abs_mirror;
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
const double curr_scale = get_scaling_factor(axis);
const double sign = curr_scale * mirror;
set_scaling_factor(axis, sign < 0.0 ? std::abs(curr_scale) * mirror : curr_scale);
#else
if (m_mirror(axis) != mirror) {
m_mirror(axis) = mirror;
m_dirty = true;
}
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
}
#if !ENABLE_TRANSFORMATIONS_BY_MATRICES
void Transformation::set_from_transform(const Transform3d& transform)
{
// offset
@ -493,17 +649,38 @@ void Transformation::set_from_transform(const Transform3d& transform)
// if (!m_matrix.isApprox(transform))
// std::cout << "something went wrong in extracting data from matrix" << std::endl;
}
#endif // !ENABLE_TRANSFORMATIONS_BY_MATRICES
void Transformation::reset()
{
#if !ENABLE_TRANSFORMATIONS_BY_MATRICES
m_offset = Vec3d::Zero();
m_rotation = Vec3d::Zero();
m_scaling_factor = Vec3d::Ones();
m_mirror = Vec3d::Ones();
#endif // !ENABLE_TRANSFORMATIONS_BY_MATRICES
m_matrix = Transform3d::Identity();
#if !ENABLE_TRANSFORMATIONS_BY_MATRICES
m_dirty = false;
#endif // !ENABLE_TRANSFORMATIONS_BY_MATRICES
}
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
Transform3d Transformation::get_matrix_no_offset() const
{
Transformation copy(*this);
copy.reset_offset();
return copy.get_matrix();
}
Transform3d Transformation::get_matrix_no_scaling_factor() const
{
Transformation copy(*this);
copy.reset_scaling_factor();
copy.reset_mirror();
return copy.get_matrix();
}
#else
const Transform3d& Transformation::get_matrix(bool dont_translate, bool dont_rotate, bool dont_scale, bool dont_mirror) const
{
if (m_dirty || m_flags.needs_update(dont_translate, dont_rotate, dont_scale, dont_mirror)) {
@ -520,6 +697,7 @@ const Transform3d& Transformation::get_matrix(bool dont_translate, bool dont_rot
return m_matrix;
}
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
Transformation Transformation::operator * (const Transformation& other) const
{
@ -533,7 +711,11 @@ Transformation Transformation::volume_to_bed_transformation(const Transformation
if (instance_transformation.is_scaling_uniform()) {
// No need to run the non-linear least squares fitting for uniform scaling.
// Just set the inverse.
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
out = instance_transformation.get_matrix_no_offset().inverse();
#else
out.set_from_transform(instance_transformation.get_matrix(true).inverse());
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
}
else if (is_rotation_ninety_degrees(instance_transformation.get_rotation())) {
// Anisotropic scaling, rotation by multiples of ninety degrees.

116
src/libslic3r/Geometry.hpp
View file

@ -334,6 +334,26 @@ void assemble_transform(Transform3d& transform, const Vec3d& translation = Vec3d
// 6) translate
Transform3d assemble_transform(const Vec3d& translation = Vec3d::Zero(), const Vec3d& rotation = Vec3d::Zero(), const Vec3d& scale = Vec3d::Ones(), const Vec3d& mirror = Vec3d::Ones());
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
// Sets the given transform by assembling the given rotations in the following order:
// 1) rotate X
// 2) rotate Y
// 3) rotate Z
void rotation_transform(Transform3d& transform, const Vec3d& rotation);
// Returns the transform obtained by assembling the given rotations in the following order:
// 1) rotate X
// 2) rotate Y
// 3) rotate Z
Transform3d rotation_transform(const Vec3d& rotation);
// Sets the given transform by assembling the given scale factors
void scale_transform(Transform3d& transform, const Vec3d& scale);
// Returns the transform obtained by assembling the given scale factors
Transform3d scale_transform(const Vec3d& scale);
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
// Returns the euler angles extracted from the given rotation matrix
// Warning -> The matrix should not contain any scale or shear !!!
Vec3d extract_euler_angles(const Eigen::Matrix<double, 3, 3, Eigen::DontAlign>& rotation_matrix);
@ -344,6 +364,9 @@ Vec3d extract_euler_angles(const Transform3d& transform);
class Transformation
{
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
Transform3d m_matrix{ Transform3d::Identity() };
#else
struct Flags
{
bool dont_translate{ true };
@ -363,42 +386,104 @@ class Transformation
mutable Transform3d m_matrix{ Transform3d::Identity() };
mutable Flags m_flags;
mutable bool m_dirty{ false };
#endif // !ENABLE_TRANSFORMATIONS_BY_MATRICES
public:
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
Transformation() = default;
explicit Transformation(const Transform3d & transform) : m_matrix(transform) {}
#else
Transformation();
explicit Transformation(const Transform3d& transform);
explicit Transformation(const Transform3d & transform);
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
Transformation& operator = (const Transform3d& transform) { m_matrix = transform; return *this; }
Vec3d get_offset() const { return m_matrix.translation(); }
double get_offset(Axis axis) const { return get_offset()[axis]; }
Transform3d get_offset_matrix() const;
void set_offset(const Vec3d& offset) { m_matrix.translation() = offset; }
void set_offset(Axis axis, double offset) { m_matrix.translation()[axis] = offset; }
#else
const Vec3d& get_offset() const { return m_offset; }
double get_offset(Axis axis) const { return m_offset(axis); }
void set_offset(const Vec3d& offset);
void set_offset(Axis axis, double offset);
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
Vec3d get_rotation() const;
double get_rotation(Axis axis) const { return get_rotation()[axis]; }
Transform3d get_rotation_matrix() const;
#else
const Vec3d& get_rotation() const { return m_rotation; }
double get_rotation(Axis axis) const { return m_rotation(axis); }
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
void set_rotation(const Vec3d& rotation);
void set_rotation(Axis axis, double rotation);
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
Vec3d get_scaling_factor() const;
double get_scaling_factor(Axis axis) const { return get_scaling_factor()[axis]; }
Transform3d get_scaling_factor_matrix() const;
bool is_scaling_uniform() const {
const Vec3d scale = get_scaling_factor();
return std::abs(scale.x() - scale.y()) < 1e-8 && std::abs(scale.x() - scale.z()) < 1e-8;
}
#else
const Vec3d& get_scaling_factor() const { return m_scaling_factor; }
double get_scaling_factor(Axis axis) const { return m_scaling_factor(axis); }
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
void set_scaling_factor(const Vec3d& scaling_factor);
void set_scaling_factor(Axis axis, double scaling_factor);
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
Vec3d get_mirror() const;
double get_mirror(Axis axis) const { return get_mirror()[axis]; }
Transform3d get_mirror_matrix() const;
bool is_left_handed() const {
const Vec3d mirror = get_mirror();
return mirror.x() * mirror.y() * mirror.z() < 0.0;
}
#else
bool is_scaling_uniform() const { return std::abs(m_scaling_factor.x() - m_scaling_factor.y()) < 1e-8 && std::abs(m_scaling_factor.x() - m_scaling_factor.z()) < 1e-8; }
const Vec3d& get_mirror() const { return m_mirror; }
double get_mirror(Axis axis) const { return m_mirror(axis); }
bool is_left_handed() const { return m_mirror.x() * m_mirror.y() * m_mirror.z() < 0.; }
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
void set_mirror(const Vec3d& mirror);
void set_mirror(Axis axis, double mirror);
#if !ENABLE_TRANSFORMATIONS_BY_MATRICES
void set_from_transform(const Transform3d& transform);
#endif // !ENABLE_TRANSFORMATIONS_BY_MATRICES
void reset();
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
void reset_offset() { set_offset(Vec3d::Zero()); }
void reset_rotation() { set_rotation(Vec3d::Zero()); }
void reset_scaling_factor() { set_scaling_factor(Vec3d::Ones()); }
void reset_mirror() { set_mirror(Vec3d::Ones()); }
const Transform3d& get_matrix() const { return m_matrix; }
Transform3d get_matrix_no_offset() const;
Transform3d get_matrix_no_scaling_factor() const;
#else
const Transform3d& get_matrix(bool dont_translate = false, bool dont_rotate = false, bool dont_scale = false, bool dont_mirror = false) const;
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
Transformation operator * (const Transformation& other) const;
@ -408,15 +493,26 @@ public:
static Transformation volume_to_bed_transformation(const Transformation& instance_transformation, const BoundingBoxf3& bbox);
private:
friend class cereal::access;
template<class Archive> void serialize(Archive & ar) { ar(m_offset, m_rotation, m_scaling_factor, m_mirror); }
explicit Transformation(int) : m_dirty(true) {}
template <class Archive> static void load_and_construct(Archive &ar, cereal::construct<Transformation> &construct)
{
// Calling a private constructor with special "int" parameter to indicate that no construction is necessary.
construct(1);
ar(construct.ptr()->m_offset, construct.ptr()->m_rotation, construct.ptr()->m_scaling_factor, construct.ptr()->m_mirror);
}
friend class cereal::access;
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
template<class Archive> void serialize(Archive& ar) { ar(m_matrix); }
explicit Transformation(int) {}
template <class Archive> static void load_and_construct(Archive& ar, cereal::construct<Transformation>& construct)
{
// Calling a private constructor with special "int" parameter to indicate that no construction is necessary.
construct(1);
ar(construct.ptr()->m_matrix);
}
#else
template<class Archive> void serialize(Archive& ar) { ar(m_offset, m_rotation, m_scaling_factor, m_mirror); }
explicit Transformation(int) : m_dirty(true) {}
template <class Archive> static void load_and_construct(Archive& ar, cereal::construct<Transformation>& construct)
{
// Calling a private constructor with special "int" parameter to indicate that no construction is necessary.
construct(1);
ar(construct.ptr()->m_offset, construct.ptr()->m_rotation, construct.ptr()->m_scaling_factor, construct.ptr()->m_mirror);
}
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
};
// For parsing a transformation matrix from 3MF / AMF.

69
src/libslic3r/Model.cpp
View file

@ -945,7 +945,11 @@ const BoundingBoxf3& ModelObject::raw_bounding_box() const
if (this->instances.empty())
throw Slic3r::InvalidArgument("Can't call raw_bounding_box() with no instances");
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
const Transform3d inst_matrix = this->instances.front()->get_transformation().get_matrix_no_offset();
#else
const Transform3d& inst_matrix = this->instances.front()->get_transformation().get_matrix(true);
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
for (const ModelVolume *v : this->volumes)
if (v->is_model_part())
m_raw_bounding_box.merge(v->mesh().transformed_bounding_box(inst_matrix * v->get_matrix()));
@ -957,9 +961,15 @@ const BoundingBoxf3& ModelObject::raw_bounding_box() const
BoundingBoxf3 ModelObject::instance_bounding_box(size_t instance_idx, bool dont_translate) const
{
BoundingBoxf3 bb;
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
const Transform3d inst_matrix = dont_translate ?
this->instances[instance_idx]->get_transformation().get_matrix_no_offset() :
this->instances[instance_idx]->get_transformation().get_matrix();
#else
const Transform3d& inst_matrix = this->instances[instance_idx]->get_transformation().get_matrix(dont_translate);
for (ModelVolume *v : this->volumes)
{
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
for (ModelVolume *v : this->volumes) {
if (v->is_model_part())
bb.merge(v->mesh().transformed_bounding_box(inst_matrix * v->get_matrix()));
}
@ -1368,9 +1378,12 @@ void ModelObject::split(ModelObjectPtrs* new_objects)
new_object->add_instance(*model_instance);
ModelVolume* new_vol = new_object->add_volume(*volume, std::move(mesh));
for (ModelInstance* model_instance : new_object->instances)
{
for (ModelInstance* model_instance : new_object->instances) {
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
Vec3d shift = model_instance->get_transformation().get_matrix_no_offset() * new_vol->get_offset();
#else
Vec3d shift = model_instance->get_transformation().get_matrix(true) * new_vol->get_offset();
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
model_instance->set_offset(model_instance->get_offset() + shift);
}
@ -1434,8 +1447,18 @@ void ModelObject::bake_xy_rotation_into_meshes(size_t instance_idx)
// Adjust the meshes.
// Transformation to be applied to the meshes.
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
Geometry::Transformation reference_trafo_mod = reference_trafo;
reference_trafo_mod.reset_offset();
if (uniform_scaling)
reference_trafo_mod.reset_scaling_factor();
if (!has_mirrorring)
reference_trafo_mod.reset_mirror();
Eigen::Matrix3d mesh_trafo_3x3 = reference_trafo_mod.get_matrix().matrix().block<3, 3>(0, 0);
#else
Eigen::Matrix3d mesh_trafo_3x3 = reference_trafo.get_matrix(true, false, uniform_scaling, ! has_mirrorring).matrix().block<3, 3>(0, 0);
Transform3d volume_offset_correction = this->instances[instance_idx]->get_transformation().get_matrix().inverse() * reference_trafo.get_matrix();
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
Transform3d volume_offset_correction = this->instances[instance_idx]->get_transformation().get_matrix().inverse() * reference_trafo.get_matrix();
for (ModelVolume *model_volume : this->volumes) {
const Geometry::Transformation volume_trafo = model_volume->get_transformation();
bool volume_left_handed = volume_trafo.is_left_handed();
@ -1444,7 +1467,17 @@ void ModelObject::bake_xy_rotation_into_meshes(size_t instance_idx)
std::abs(volume_trafo.get_scaling_factor().x() - volume_trafo.get_scaling_factor().z()) < EPSILON;
double volume_new_scaling_factor = volume_uniform_scaling ? volume_trafo.get_scaling_factor().x() : 1.;
// Transform the mesh.
Matrix3d volume_trafo_3x3 = volume_trafo.get_matrix(true, false, volume_uniform_scaling, !volume_has_mirrorring).matrix().block<3, 3>(0, 0);
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
Geometry::Transformation volume_trafo_mod = volume_trafo;
volume_trafo_mod.reset_offset();
if (volume_uniform_scaling)
volume_trafo_mod.reset_scaling_factor();
if (!volume_has_mirrorring)
volume_trafo_mod.reset_mirror();
Eigen::Matrix3d volume_trafo_3x3 = volume_trafo_mod.get_matrix().matrix().block<3, 3>(0, 0);
#else
Matrix3d volume_trafo_3x3 = volume_trafo.get_matrix(true, false, volume_uniform_scaling, !volume_has_mirrorring).matrix().block<3, 3>(0, 0);
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
// Following method creates a new shared_ptr<TriangleMesh>
model_volume->transform_this_mesh(mesh_trafo_3x3 * volume_trafo_3x3, left_handed != volume_left_handed);
// Reset the rotation, scaling and mirroring.
@ -1491,7 +1524,11 @@ double ModelObject::get_instance_min_z(size_t instance_idx) const
double min_z = DBL_MAX;
const ModelInstance* inst = instances[instance_idx];
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
const Transform3d& mi = inst->get_matrix_no_offset();
#else
const Transform3d& mi = inst->get_matrix(true);
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
for (const ModelVolume* v : volumes) {
if (!v->is_model_part())
@ -1512,7 +1549,11 @@ double ModelObject::get_instance_max_z(size_t instance_idx) const
double max_z = -DBL_MAX;
const ModelInstance* inst = instances[instance_idx];
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
const Transform3d& mi = inst->get_matrix_no_offset();
#else
const Transform3d& mi = inst->get_matrix(true);
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
for (const ModelVolume* v : volumes) {
if (!v->is_model_part())
@ -1938,14 +1979,22 @@ void ModelVolume::convert_from_meters()
void ModelInstance::transform_mesh(TriangleMesh* mesh, bool dont_translate) const
{
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
mesh->transform(dont_translate ? get_matrix_no_offset() : get_matrix());
#else
mesh->transform(get_matrix(dont_translate));
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
}
BoundingBoxf3 ModelInstance::transform_mesh_bounding_box(const TriangleMesh& mesh, bool dont_translate) const
{
// Rotate around mesh origin.
TriangleMesh copy(mesh);
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
copy.transform(get_transformation().get_rotation_matrix());
#else
copy.transform(get_matrix(true, false, true, true));
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
BoundingBoxf3 bbox = copy.bounding_box();
if (!empty(bbox)) {
@ -1970,12 +2019,20 @@ BoundingBoxf3 ModelInstance::transform_mesh_bounding_box(const TriangleMesh& mes
BoundingBoxf3 ModelInstance::transform_bounding_box(const BoundingBoxf3 &bbox, bool dont_translate) const
{
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
return bbox.transformed(dont_translate ? get_matrix_no_offset() : get_matrix());
#else
return bbox.transformed(get_matrix(dont_translate));
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
}
Vec3d ModelInstance::transform_vector(const Vec3d& v, bool dont_translate) const
{
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
return dont_translate ? get_matrix_no_offset() * v : get_matrix() * v;
#else
return get_matrix(dont_translate) * v;
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
}
void ModelInstance::transform_polygon(Polygon* polygon) const

2466
src/libslic3r/Model.hpp
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File diff suppressed because it is too large Load diff

1134
src/libslic3r/Point.hpp
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File diff suppressed because it is too large Load diff

2897
src/libslic3r/PrintApply.cpp
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File diff suppressed because it is too large Load diff

2
src/libslic3r/Technologies.hpp
View file

@ -79,6 +79,8 @@
#define ENABLE_WORLD_COORDINATE_SHOW_AXES (1 && ENABLE_WORLD_COORDINATE)
// Enable alternate implementation of manipulating scale for instances and volumes
#define ENABLE_WORLD_COORDINATE_SCALE_REVISITED (1 && ENABLE_WORLD_COORDINATE)
// Enable implementation of Geometry::Transformation using matrices only
#define ENABLE_TRANSFORMATIONS_BY_MATRICES (1 && ENABLE_WORLD_COORDINATE)
// Enable modified camera control using mouse
#define ENABLE_NEW_CAMERA_MOVEMENTS (1 && ENABLE_2_5_0_ALPHA1)
// Enable modified rectangle selection

1594
src/slic3r/GUI/3DScene.hpp
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File diff suppressed because it is too large Load diff

8
src/slic3r/GUI/GUI_ObjectList.cpp
View file

@ -1532,7 +1532,11 @@ void ObjectList::load_modifier(const wxArrayString& input_files, ModelObject& mo
// First (any) GLVolume of the selected instance. They all share the same instance matrix.
const GLVolume* v = selection.get_volume(*selection.get_volume_idxs().begin());
const Geometry::Transformation inst_transform = v->get_instance_transformation();
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
const Transform3d inv_inst_transform = inst_transform.get_matrix_no_offset().inverse();
#else
const Transform3d inv_inst_transform = inst_transform.get_matrix(true).inverse();
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
const Vec3d instance_offset = v->get_instance_offset();
for (size_t i = 0; i < input_files.size(); ++i) {
@ -1660,7 +1664,11 @@ void ObjectList::load_generic_subobject(const std::string& type_name, const Mode
Vec3d(0., 0., 0.5 * mesh_bb.size().z() + instance_bb.min.z() - v->get_instance_offset().z()) :
// Translate the new modifier to be pickable: move to the left front corner of the instance's bounding box, lift to print bed.
Vec3d(instance_bb.max.x(), instance_bb.min.y(), instance_bb.min.z()) + 0.5 * mesh_bb.size() - v->get_instance_offset();
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
new_volume->set_offset(v->get_instance_transformation().get_matrix_no_offset().inverse() * offset);
#else
new_volume->set_offset(v->get_instance_transformation().get_matrix(true).inverse() * offset);
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
const wxString name = _L("Generic") + "-" + _(type_name);
new_volume->name = into_u8(name);

8
src/slic3r/GUI/GUI_ObjectManipulation.cpp
View file

@ -354,7 +354,11 @@ ObjectManipulation::ObjectManipulation(wxWindow* parent) :
const GLVolume* volume = selection.get_volume(*selection.get_volume_idxs().begin());
const double min_z = get_volume_min_z(*volume);
if (!is_world_coordinates()) {
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
const Vec3d diff = m_cache.position - volume->get_instance_transformation().get_matrix_no_offset().inverse() * (min_z * Vec3d::UnitZ());
#else
const Vec3d diff = m_cache.position - volume->get_instance_transformation().get_matrix(true).inverse() * (min_z * Vec3d::UnitZ());
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
Plater::TakeSnapshot snapshot(wxGetApp().plater(), _L("Drop to bed"));
change_position_value(0, diff.x());
@ -381,7 +385,11 @@ ObjectManipulation::ObjectManipulation(wxWindow* parent) :
const double min_z = selection.get_scaled_instance_bounding_box().min.z();
if (!is_world_coordinates()) {
const GLVolume* volume = selection.get_volume(*selection.get_volume_idxs().begin());
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
const Vec3d diff = m_cache.position - volume->get_instance_transformation().get_matrix_no_offset().inverse() * (min_z * Vec3d::UnitZ());
#else
const Vec3d diff = m_cache.position - volume->get_instance_transformation().get_matrix(true).inverse() * (min_z * Vec3d::UnitZ());
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
Plater::TakeSnapshot snapshot(wxGetApp().plater(), _L("Drop to bed"));
change_position_value(0, diff.x());

878
src/slic3r/GUI/Gizmos/GLGizmoFdmSupports.cpp
View file

@ -1,437 +1,441 @@
#include "GLGizmoFdmSupports.hpp"
#include "libslic3r/Model.hpp"
//#include "slic3r/GUI/3DScene.hpp"
#include "slic3r/GUI/GLCanvas3D.hpp"
#include "slic3r/GUI/GUI_App.hpp"
#include "slic3r/GUI/ImGuiWrapper.hpp"
#include "slic3r/GUI/Plater.hpp"
#include "slic3r/GUI/GUI_ObjectList.hpp"
#include "slic3r/GUI/format.hpp"
#include "slic3r/Utils/UndoRedo.hpp"
#include <GL/glew.h>
namespace Slic3r::GUI {
void GLGizmoFdmSupports::on_shutdown()
{
m_highlight_by_angle_threshold_deg = 0.f;
m_parent.use_slope(false);
m_parent.toggle_model_objects_visibility(true);
}
std::string GLGizmoFdmSupports::on_get_name() const
{
return _u8L("Paint-on supports");
}
bool GLGizmoFdmSupports::on_init()
{
m_shortcut_key = WXK_CONTROL_L;
m_desc["clipping_of_view"] = _L("Clipping of view") + ": ";
m_desc["reset_direction"] = _L("Reset direction");
m_desc["cursor_size"] = _L("Brush size") + ": ";
m_desc["cursor_type"] = _L("Brush shape") + ": ";
m_desc["enforce_caption"] = _L("Left mouse button") + ": ";
m_desc["enforce"] = _L("Enforce supports");
m_desc["block_caption"] = _L("Right mouse button") + ": ";
m_desc["block"] = _L("Block supports");
m_desc["remove_caption"] = _L("Shift + Left mouse button") + ": ";
m_desc["remove"] = _L("Remove selection");
m_desc["remove_all"] = _L("Remove all selection");
m_desc["circle"] = _L("Circle");
m_desc["sphere"] = _L("Sphere");
m_desc["pointer"] = _L("Triangles");
m_desc["highlight_by_angle"] = _L("Highlight overhang by angle");
m_desc["enforce_button"] = _L("Enforce");
m_desc["cancel"] = _L("Cancel");
m_desc["tool_type"] = _L("Tool type") + ": ";
m_desc["tool_brush"] = _L("Brush");
m_desc["tool_smart_fill"] = _L("Smart fill");
m_desc["smart_fill_angle"] = _L("Smart fill angle");
m_desc["split_triangles"] = _L("Split triangles");
m_desc["on_overhangs_only"] = _L("On overhangs only");
return true;
}
void GLGizmoFdmSupports::render_painter_gizmo()
{
const Selection& selection = m_parent.get_selection();
glsafe(::glEnable(GL_BLEND));
glsafe(::glEnable(GL_DEPTH_TEST));
render_triangles(selection);
m_c->object_clipper()->render_cut();
m_c->instances_hider()->render_cut();
render_cursor();
glsafe(::glDisable(GL_BLEND));
}
void GLGizmoFdmSupports::on_render_input_window(float x, float y, float bottom_limit)
{
if (! m_c->selection_info()->model_object())
return;
const float approx_height = m_imgui->scaled(23.f);
y = std::min(y, bottom_limit - approx_height);
m_imgui->set_next_window_pos(x, y, ImGuiCond_Always);
m_imgui->begin(get_name(), ImGuiWindowFlags_NoMove | ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoCollapse);
// First calculate width of all the texts that are could possibly be shown. We will decide set the dialog width based on that:
const float clipping_slider_left = std::max(m_imgui->calc_text_size(m_desc.at("clipping_of_view")).x,
m_imgui->calc_text_size(m_desc.at("reset_direction")).x) + m_imgui->scaled(1.5f);
const float cursor_slider_left = m_imgui->calc_text_size(m_desc.at("cursor_size")).x + m_imgui->scaled(1.f);
const float smart_fill_slider_left = m_imgui->calc_text_size(m_desc.at("smart_fill_angle")).x + m_imgui->scaled(1.f);
const float autoset_slider_label_max_width = m_imgui->scaled(7.5f);
const float autoset_slider_left = m_imgui->calc_text_size(m_desc.at("highlight_by_angle"), autoset_slider_label_max_width).x + m_imgui->scaled(1.f);
const float cursor_type_radio_circle = m_imgui->calc_text_size(m_desc["circle"]).x + m_imgui->scaled(2.5f);
const float cursor_type_radio_sphere = m_imgui->calc_text_size(m_desc["sphere"]).x + m_imgui->scaled(2.5f);
const float cursor_type_radio_pointer = m_imgui->calc_text_size(m_desc["pointer"]).x + m_imgui->scaled(2.5f);
const float button_width = m_imgui->calc_text_size(m_desc.at("remove_all")).x + m_imgui->scaled(1.f);
const float button_enforce_width = m_imgui->calc_text_size(m_desc.at("enforce_button")).x;
const float button_cancel_width = m_imgui->calc_text_size(m_desc.at("cancel")).x;
const float buttons_width = std::max(button_enforce_width, button_cancel_width) + m_imgui->scaled(0.5f);
const float minimal_slider_width = m_imgui->scaled(4.f);
const float tool_type_radio_left = m_imgui->calc_text_size(m_desc["tool_type"]).x + m_imgui->scaled(1.f);
const float tool_type_radio_brush = m_imgui->calc_text_size(m_desc["tool_brush"]).x + m_imgui->scaled(2.5f);
const float tool_type_radio_smart_fill = m_imgui->calc_text_size(m_desc["tool_smart_fill"]).x + m_imgui->scaled(2.5f);
const float split_triangles_checkbox_width = m_imgui->calc_text_size(m_desc["split_triangles"]).x + m_imgui->scaled(2.5f);
const float on_overhangs_only_checkbox_width = m_imgui->calc_text_size(m_desc["on_overhangs_only"]).x + m_imgui->scaled(2.5f);
float caption_max = 0.f;
float total_text_max = 0.f;
for (const auto &t : std::array<std::string, 3>{"enforce", "block", "remove"}) {
caption_max = std::max(caption_max, m_imgui->calc_text_size(m_desc[t + "_caption"]).x);
total_text_max = std::max(total_text_max, m_imgui->calc_text_size(m_desc[t]).x);
}
total_text_max += caption_max + m_imgui->scaled(1.f);
caption_max += m_imgui->scaled(1.f);
const float sliders_left_width = std::max(std::max(autoset_slider_left, smart_fill_slider_left), std::max(cursor_slider_left, clipping_slider_left));
const float slider_icon_width = m_imgui->get_slider_icon_size().x;
float window_width = minimal_slider_width + sliders_left_width + slider_icon_width;
window_width = std::max(window_width, total_text_max);
window_width = std::max(window_width, button_width);
window_width = std::max(window_width, split_triangles_checkbox_width);
window_width = std::max(window_width, on_overhangs_only_checkbox_width);
window_width = std::max(window_width, cursor_type_radio_circle + cursor_type_radio_sphere + cursor_type_radio_pointer);
window_width = std::max(window_width, tool_type_radio_left + tool_type_radio_brush + tool_type_radio_smart_fill);
window_width = std::max(window_width, 2.f * buttons_width + m_imgui->scaled(1.f));
auto draw_text_with_caption = [this, &caption_max](const wxString& caption, const wxString& text) {
m_imgui->text_colored(ImGuiWrapper::COL_ORANGE_LIGHT, caption);
ImGui::SameLine(caption_max);
m_imgui->text(text);
};
for (const auto &t : std::array<std::string, 3>{"enforce", "block", "remove"})
draw_text_with_caption(m_desc.at(t + "_caption"), m_desc.at(t));
ImGui::Separator();
float position_before_text_y = ImGui::GetCursorPos().y;
ImGui::AlignTextToFramePadding();
m_imgui->text_wrapped(m_desc["highlight_by_angle"] + ":", autoset_slider_label_max_width);
ImGui::AlignTextToFramePadding();
float position_after_text_y = ImGui::GetCursorPos().y;
std::string format_str = std::string("%.f") + I18N::translate_utf8("°",
"Degree sign to use in the respective slider in FDM supports gizmo,"
"placed after the number with no whitespace in between.");
ImGui::SameLine(sliders_left_width);
float slider_height = m_imgui->get_slider_float_height();
// Makes slider to be aligned to bottom of the multi-line text.
float slider_start_position_y = std::max(position_before_text_y, position_after_text_y - slider_height);
ImGui::SetCursorPosY(slider_start_position_y);
ImGui::PushItemWidth(window_width - sliders_left_width - slider_icon_width);
wxString tooltip = format_wxstr(_L("Preselects faces by overhang angle. It is possible to restrict paintable facets to only preselected faces when "
"the option \"%1%\" is enabled."), m_desc["on_overhangs_only"]);
if (m_imgui->slider_float("##angle_threshold_deg", &m_highlight_by_angle_threshold_deg, 0.f, 90.f, format_str.data(), 1.0f, true, tooltip)) {
m_parent.set_slope_normal_angle(90.f - m_highlight_by_angle_threshold_deg);
if (! m_parent.is_using_slope()) {
m_parent.use_slope(true);
m_parent.set_as_dirty();
}
}
// Restores the cursor position to be below the multi-line text.
ImGui::SetCursorPosY(std::max(position_before_text_y + slider_height, position_after_text_y));
const float max_tooltip_width = ImGui::GetFontSize() * 20.0f;
m_imgui->disabled_begin(m_highlight_by_angle_threshold_deg == 0.f);
ImGui::NewLine();
ImGui::SameLine(window_width - 2.f*buttons_width - m_imgui->scaled(0.5f));
if (m_imgui->button(m_desc["enforce_button"], buttons_width, 0.f)) {
select_facets_by_angle(m_highlight_by_angle_threshold_deg, false);
m_highlight_by_angle_threshold_deg = 0.f;
m_parent.use_slope(false);
}
ImGui::SameLine(window_width - buttons_width);
if (m_imgui->button(m_desc["cancel"], buttons_width, 0.f)) {
m_highlight_by_angle_threshold_deg = 0.f;
m_parent.use_slope(false);
}
m_imgui->disabled_end();
ImGui::Separator();
ImGui::AlignTextToFramePadding();
m_imgui->text(m_desc["tool_type"]);
float tool_type_offset = tool_type_radio_left + (window_width - tool_type_radio_left - tool_type_radio_brush - tool_type_radio_smart_fill + m_imgui->scaled(0.5f)) / 2.f;
ImGui::SameLine(tool_type_offset);
ImGui::PushItemWidth(tool_type_radio_brush);
if (m_imgui->radio_button(m_desc["tool_brush"], m_tool_type == ToolType::BRUSH))
m_tool_type = ToolType::BRUSH;
if (ImGui::IsItemHovered())
m_imgui->tooltip(_L("Paints facets according to the chosen painting brush."), max_tooltip_width);
ImGui::SameLine(tool_type_offset + tool_type_radio_brush);
ImGui::PushItemWidth(tool_type_radio_smart_fill);
if (m_imgui->radio_button(m_desc["tool_smart_fill"], m_tool_type == ToolType::SMART_FILL))
m_tool_type = ToolType::SMART_FILL;
if (ImGui::IsItemHovered())
m_imgui->tooltip(_L("Paints neighboring facets whose relative angle is less or equal to set angle."), max_tooltip_width);
m_imgui->checkbox(m_desc["on_overhangs_only"], m_paint_on_overhangs_only);
if (ImGui::IsItemHovered())
m_imgui->tooltip(format_wxstr(_L("Allows painting only on facets selected by: \"%1%\""), m_desc["highlight_by_angle"]), max_tooltip_width);
ImGui::Separator();
if (m_tool_type == ToolType::BRUSH) {
m_imgui->text(m_desc.at("cursor_type"));
ImGui::NewLine();
float cursor_type_offset = (window_width - cursor_type_radio_sphere - cursor_type_radio_circle - cursor_type_radio_pointer + m_imgui->scaled(1.5f)) / 2.f;
ImGui::SameLine(cursor_type_offset);
ImGui::PushItemWidth(cursor_type_radio_sphere);
if (m_imgui->radio_button(m_desc["sphere"], m_cursor_type == TriangleSelector::CursorType::SPHERE))
m_cursor_type = TriangleSelector::CursorType::SPHERE;
if (ImGui::IsItemHovered())
m_imgui->tooltip(_L("Paints all facets inside, regardless of their orientation."), max_tooltip_width);
ImGui::SameLine(cursor_type_offset + cursor_type_radio_sphere);
ImGui::PushItemWidth(cursor_type_radio_circle);
if (m_imgui->radio_button(m_desc["circle"], m_cursor_type == TriangleSelector::CursorType::CIRCLE))
m_cursor_type = TriangleSelector::CursorType::CIRCLE;
if (ImGui::IsItemHovered())
m_imgui->tooltip(_L("Ignores facets facing away from the camera."), max_tooltip_width);
ImGui::SameLine(cursor_type_offset + cursor_type_radio_sphere + cursor_type_radio_circle);
ImGui::PushItemWidth(cursor_type_radio_pointer);
if (m_imgui->radio_button(m_desc["pointer"], m_cursor_type == TriangleSelector::CursorType::POINTER))
m_cursor_type = TriangleSelector::CursorType::POINTER;
if (ImGui::IsItemHovered())
m_imgui->tooltip(_L("Paints only one facet."), max_tooltip_width);
m_imgui->disabled_begin(m_cursor_type != TriangleSelector::CursorType::SPHERE && m_cursor_type != TriangleSelector::CursorType::CIRCLE);
ImGui::AlignTextToFramePadding();
m_imgui->text(m_desc.at("cursor_size"));
ImGui::SameLine(sliders_left_width);
ImGui::PushItemWidth(window_width - sliders_left_width - slider_icon_width);
m_imgui->slider_float("##cursor_radius", &m_cursor_radius, CursorRadiusMin, CursorRadiusMax, "%.2f", 1.0f, true, _L("Alt + Mouse wheel"));
m_imgui->checkbox(m_desc["split_triangles"], m_triangle_splitting_enabled);
if (ImGui::IsItemHovered())
m_imgui->tooltip(_L("Splits bigger facets into smaller ones while the object is painted."), max_tooltip_width);
m_imgui->disabled_end();
} else {
assert(m_tool_type == ToolType::SMART_FILL);
ImGui::AlignTextToFramePadding();
m_imgui->text(m_desc["smart_fill_angle"] + ":");
ImGui::SameLine(sliders_left_width);
ImGui::PushItemWidth(window_width - sliders_left_width - slider_icon_width);
if (m_imgui->slider_float("##smart_fill_angle", &m_smart_fill_angle, SmartFillAngleMin, SmartFillAngleMax, format_str.data(), 1.0f, true, _L("Alt + Mouse wheel")))
for (auto &triangle_selector : m_triangle_selectors) {
triangle_selector->seed_fill_unselect_all_triangles();
triangle_selector->request_update_render_data();
}
}
ImGui::Separator();
if (m_c->object_clipper()->get_position() == 0.f) {
ImGui::AlignTextToFramePadding();
m_imgui->text(m_desc.at("clipping_of_view"));
}
else {
if (m_imgui->button(m_desc.at("reset_direction"))) {
wxGetApp().CallAfter([this](){
m_c->object_clipper()->set_position(-1., false);
});
}
}
auto clp_dist = float(m_c->object_clipper()->get_position());
ImGui::SameLine(sliders_left_width);
ImGui::PushItemWidth(window_width - sliders_left_width - slider_icon_width);
if (m_imgui->slider_float("##clp_dist", &clp_dist, 0.f, 1.f, "%.2f", 1.0f, true, _L("Ctrl + Mouse wheel")))
m_c->object_clipper()->set_position(clp_dist, true);
ImGui::Separator();
if (m_imgui->button(m_desc.at("remove_all"))) {
Plater::TakeSnapshot snapshot(wxGetApp().plater(), _L("Reset selection"), UndoRedo::SnapshotType::GizmoAction);
ModelObject *mo = m_c->selection_info()->model_object();
int idx = -1;
for (ModelVolume *mv : mo->volumes)
if (mv->is_model_part()) {
++idx;
m_triangle_selectors[idx]->reset();
m_triangle_selectors[idx]->request_update_render_data();
}
update_model_object();
m_parent.set_as_dirty();
}
m_imgui->end();
}
void GLGizmoFdmSupports::select_facets_by_angle(float threshold_deg, bool block)
{
float threshold = (float(M_PI)/180.f)*threshold_deg;
const Selection& selection = m_parent.get_selection();
const ModelObject* mo = m_c->selection_info()->model_object();
const ModelInstance* mi = mo->instances[selection.get_instance_idx()];
int mesh_id = -1;
for (const ModelVolume* mv : mo->volumes) {
if (! mv->is_model_part())
continue;
++mesh_id;
const Transform3d trafo_matrix = mi->get_matrix(true) * mv->get_matrix(true);
Vec3f down = (trafo_matrix.inverse() * (-Vec3d::UnitZ())).cast<float>().normalized();
Vec3f limit = (trafo_matrix.inverse() * Vec3d(std::sin(threshold), 0, -std::cos(threshold))).cast<float>().normalized();
float dot_limit = limit.dot(down);
// Now calculate dot product of vert_direction and facets' normals.
int idx = 0;
const indexed_triangle_set &its = mv->mesh().its;
for (const stl_triangle_vertex_indices &face : its.indices) {
if (its_face_normal(its, face).dot(down) > dot_limit) {
m_triangle_selectors[mesh_id]->set_facet(idx, block ? EnforcerBlockerType::BLOCKER : EnforcerBlockerType::ENFORCER);
m_triangle_selectors.back()->request_update_render_data();
}
++ idx;
}
}
Plater::TakeSnapshot snapshot(wxGetApp().plater(), block ? _L("Block supports by angle")
: _L("Add supports by angle"));
update_model_object();
m_parent.set_as_dirty();
}
void GLGizmoFdmSupports::update_model_object() const
{
bool updated = false;
ModelObject* mo = m_c->selection_info()->model_object();
int idx = -1;
for (ModelVolume* mv : mo->volumes) {
if (! mv->is_model_part())
continue;
++idx;
updated |= mv->supported_facets.set(*m_triangle_selectors[idx].get());
}
if (updated) {
const ModelObjectPtrs& mos = wxGetApp().model().objects;
wxGetApp().obj_list()->update_info_items(std::find(mos.begin(), mos.end(), mo) - mos.begin());
m_parent.post_event(SimpleEvent(EVT_GLCANVAS_SCHEDULE_BACKGROUND_PROCESS));
}
}
void GLGizmoFdmSupports::update_from_model_object()
{
wxBusyCursor wait;
const ModelObject* mo = m_c->selection_info()->model_object();
m_triangle_selectors.clear();
int volume_id = -1;
for (const ModelVolume* mv : mo->volumes) {
if (! mv->is_model_part())
continue;
++volume_id;
// This mesh does not account for the possible Z up SLA offset.
const TriangleMesh* mesh = &mv->mesh();
m_triangle_selectors.emplace_back(std::make_unique<TriangleSelectorGUI>(*mesh));
// Reset of TriangleSelector is done inside TriangleSelectorGUI's constructor, so we don't need it to perform it again in deserialize().
m_triangle_selectors.back()->deserialize(mv->supported_facets.get_data(), false);
m_triangle_selectors.back()->request_update_render_data();
}
}
PainterGizmoType GLGizmoFdmSupports::get_painter_type() const
{
return PainterGizmoType::FDM_SUPPORTS;
}
wxString GLGizmoFdmSupports::handle_snapshot_action_name(bool shift_down, GLGizmoPainterBase::Button button_down) const
{
wxString action_name;
if (shift_down)
action_name = _L("Remove selection");
else {
if (button_down == Button::Left)
action_name = _L("Add supports");
else
action_name = _L("Block supports");
}
return action_name;
}
} // namespace Slic3r::GUI
#include "GLGizmoFdmSupports.hpp"
#include "libslic3r/Model.hpp"
//#include "slic3r/GUI/3DScene.hpp"
#include "slic3r/GUI/GLCanvas3D.hpp"
#include "slic3r/GUI/GUI_App.hpp"
#include "slic3r/GUI/ImGuiWrapper.hpp"
#include "slic3r/GUI/Plater.hpp"
#include "slic3r/GUI/GUI_ObjectList.hpp"
#include "slic3r/GUI/format.hpp"
#include "slic3r/Utils/UndoRedo.hpp"
#include <GL/glew.h>
namespace Slic3r::GUI {
void GLGizmoFdmSupports::on_shutdown()
{
m_highlight_by_angle_threshold_deg = 0.f;
m_parent.use_slope(false);
m_parent.toggle_model_objects_visibility(true);
}
std::string GLGizmoFdmSupports::on_get_name() const
{
return _u8L("Paint-on supports");
}
bool GLGizmoFdmSupports::on_init()
{
m_shortcut_key = WXK_CONTROL_L;
m_desc["clipping_of_view"] = _L("Clipping of view") + ": ";
m_desc["reset_direction"] = _L("Reset direction");
m_desc["cursor_size"] = _L("Brush size") + ": ";
m_desc["cursor_type"] = _L("Brush shape") + ": ";
m_desc["enforce_caption"] = _L("Left mouse button") + ": ";
m_desc["enforce"] = _L("Enforce supports");
m_desc["block_caption"] = _L("Right mouse button") + ": ";
m_desc["block"] = _L("Block supports");
m_desc["remove_caption"] = _L("Shift + Left mouse button") + ": ";
m_desc["remove"] = _L("Remove selection");
m_desc["remove_all"] = _L("Remove all selection");
m_desc["circle"] = _L("Circle");
m_desc["sphere"] = _L("Sphere");
m_desc["pointer"] = _L("Triangles");
m_desc["highlight_by_angle"] = _L("Highlight overhang by angle");
m_desc["enforce_button"] = _L("Enforce");
m_desc["cancel"] = _L("Cancel");
m_desc["tool_type"] = _L("Tool type") + ": ";
m_desc["tool_brush"] = _L("Brush");
m_desc["tool_smart_fill"] = _L("Smart fill");
m_desc["smart_fill_angle"] = _L("Smart fill angle");
m_desc["split_triangles"] = _L("Split triangles");
m_desc["on_overhangs_only"] = _L("On overhangs only");
return true;
}
void GLGizmoFdmSupports::render_painter_gizmo()
{
const Selection& selection = m_parent.get_selection();
glsafe(::glEnable(GL_BLEND));
glsafe(::glEnable(GL_DEPTH_TEST));
render_triangles(selection);
m_c->object_clipper()->render_cut();
m_c->instances_hider()->render_cut();
render_cursor();
glsafe(::glDisable(GL_BLEND));
}
void GLGizmoFdmSupports::on_render_input_window(float x, float y, float bottom_limit)
{
if (! m_c->selection_info()->model_object())
return;
const float approx_height = m_imgui->scaled(23.f);
y = std::min(y, bottom_limit - approx_height);
m_imgui->set_next_window_pos(x, y, ImGuiCond_Always);
m_imgui->begin(get_name(), ImGuiWindowFlags_NoMove | ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoCollapse);
// First calculate width of all the texts that are could possibly be shown. We will decide set the dialog width based on that:
const float clipping_slider_left = std::max(m_imgui->calc_text_size(m_desc.at("clipping_of_view")).x,
m_imgui->calc_text_size(m_desc.at("reset_direction")).x) + m_imgui->scaled(1.5f);
const float cursor_slider_left = m_imgui->calc_text_size(m_desc.at("cursor_size")).x + m_imgui->scaled(1.f);
const float smart_fill_slider_left = m_imgui->calc_text_size(m_desc.at("smart_fill_angle")).x + m_imgui->scaled(1.f);
const float autoset_slider_label_max_width = m_imgui->scaled(7.5f);
const float autoset_slider_left = m_imgui->calc_text_size(m_desc.at("highlight_by_angle"), autoset_slider_label_max_width).x + m_imgui->scaled(1.f);
const float cursor_type_radio_circle = m_imgui->calc_text_size(m_desc["circle"]).x + m_imgui->scaled(2.5f);
const float cursor_type_radio_sphere = m_imgui->calc_text_size(m_desc["sphere"]).x + m_imgui->scaled(2.5f);
const float cursor_type_radio_pointer = m_imgui->calc_text_size(m_desc["pointer"]).x + m_imgui->scaled(2.5f);
const float button_width = m_imgui->calc_text_size(m_desc.at("remove_all")).x + m_imgui->scaled(1.f);
const float button_enforce_width = m_imgui->calc_text_size(m_desc.at("enforce_button")).x;
const float button_cancel_width = m_imgui->calc_text_size(m_desc.at("cancel")).x;
const float buttons_width = std::max(button_enforce_width, button_cancel_width) + m_imgui->scaled(0.5f);
const float minimal_slider_width = m_imgui->scaled(4.f);
const float tool_type_radio_left = m_imgui->calc_text_size(m_desc["tool_type"]).x + m_imgui->scaled(1.f);
const float tool_type_radio_brush = m_imgui->calc_text_size(m_desc["tool_brush"]).x + m_imgui->scaled(2.5f);
const float tool_type_radio_smart_fill = m_imgui->calc_text_size(m_desc["tool_smart_fill"]).x + m_imgui->scaled(2.5f);
const float split_triangles_checkbox_width = m_imgui->calc_text_size(m_desc["split_triangles"]).x + m_imgui->scaled(2.5f);
const float on_overhangs_only_checkbox_width = m_imgui->calc_text_size(m_desc["on_overhangs_only"]).x + m_imgui->scaled(2.5f);
float caption_max = 0.f;
float total_text_max = 0.f;
for (const auto &t : std::array<std::string, 3>{"enforce", "block", "remove"}) {
caption_max = std::max(caption_max, m_imgui->calc_text_size(m_desc[t + "_caption"]).x);
total_text_max = std::max(total_text_max, m_imgui->calc_text_size(m_desc[t]).x);
}
total_text_max += caption_max + m_imgui->scaled(1.f);
caption_max += m_imgui->scaled(1.f);
const float sliders_left_width = std::max(std::max(autoset_slider_left, smart_fill_slider_left), std::max(cursor_slider_left, clipping_slider_left));
const float slider_icon_width = m_imgui->get_slider_icon_size().x;
float window_width = minimal_slider_width + sliders_left_width + slider_icon_width;
window_width = std::max(window_width, total_text_max);
window_width = std::max(window_width, button_width);
window_width = std::max(window_width, split_triangles_checkbox_width);
window_width = std::max(window_width, on_overhangs_only_checkbox_width);
window_width = std::max(window_width, cursor_type_radio_circle + cursor_type_radio_sphere + cursor_type_radio_pointer);
window_width = std::max(window_width, tool_type_radio_left + tool_type_radio_brush + tool_type_radio_smart_fill);
window_width = std::max(window_width, 2.f * buttons_width + m_imgui->scaled(1.f));
auto draw_text_with_caption = [this, &caption_max](const wxString& caption, const wxString& text) {
m_imgui->text_colored(ImGuiWrapper::COL_ORANGE_LIGHT, caption);
ImGui::SameLine(caption_max);
m_imgui->text(text);
};
for (const auto &t : std::array<std::string, 3>{"enforce", "block", "remove"})
draw_text_with_caption(m_desc.at(t + "_caption"), m_desc.at(t));
ImGui::Separator();
float position_before_text_y = ImGui::GetCursorPos().y;
ImGui::AlignTextToFramePadding();
m_imgui->text_wrapped(m_desc["highlight_by_angle"] + ":", autoset_slider_label_max_width);
ImGui::AlignTextToFramePadding();
float position_after_text_y = ImGui::GetCursorPos().y;
std::string format_str = std::string("%.f") + I18N::translate_utf8("°",
"Degree sign to use in the respective slider in FDM supports gizmo,"
"placed after the number with no whitespace in between.");
ImGui::SameLine(sliders_left_width);
float slider_height = m_imgui->get_slider_float_height();
// Makes slider to be aligned to bottom of the multi-line text.
float slider_start_position_y = std::max(position_before_text_y, position_after_text_y - slider_height);
ImGui::SetCursorPosY(slider_start_position_y);
ImGui::PushItemWidth(window_width - sliders_left_width - slider_icon_width);
wxString tooltip = format_wxstr(_L("Preselects faces by overhang angle. It is possible to restrict paintable facets to only preselected faces when "
"the option \"%1%\" is enabled."), m_desc["on_overhangs_only"]);
if (m_imgui->slider_float("##angle_threshold_deg", &m_highlight_by_angle_threshold_deg, 0.f, 90.f, format_str.data(), 1.0f, true, tooltip)) {
m_parent.set_slope_normal_angle(90.f - m_highlight_by_angle_threshold_deg);
if (! m_parent.is_using_slope()) {
m_parent.use_slope(true);
m_parent.set_as_dirty();
}
}
// Restores the cursor position to be below the multi-line text.
ImGui::SetCursorPosY(std::max(position_before_text_y + slider_height, position_after_text_y));
const float max_tooltip_width = ImGui::GetFontSize() * 20.0f;
m_imgui->disabled_begin(m_highlight_by_angle_threshold_deg == 0.f);
ImGui::NewLine();
ImGui::SameLine(window_width - 2.f*buttons_width - m_imgui->scaled(0.5f));
if (m_imgui->button(m_desc["enforce_button"], buttons_width, 0.f)) {
select_facets_by_angle(m_highlight_by_angle_threshold_deg, false);
m_highlight_by_angle_threshold_deg = 0.f;
m_parent.use_slope(false);
}
ImGui::SameLine(window_width - buttons_width);
if (m_imgui->button(m_desc["cancel"], buttons_width, 0.f)) {
m_highlight_by_angle_threshold_deg = 0.f;
m_parent.use_slope(false);
}
m_imgui->disabled_end();
ImGui::Separator();
ImGui::AlignTextToFramePadding();
m_imgui->text(m_desc["tool_type"]);
float tool_type_offset = tool_type_radio_left + (window_width - tool_type_radio_left - tool_type_radio_brush - tool_type_radio_smart_fill + m_imgui->scaled(0.5f)) / 2.f;
ImGui::SameLine(tool_type_offset);
ImGui::PushItemWidth(tool_type_radio_brush);
if (m_imgui->radio_button(m_desc["tool_brush"], m_tool_type == ToolType::BRUSH))
m_tool_type = ToolType::BRUSH;
if (ImGui::IsItemHovered())
m_imgui->tooltip(_L("Paints facets according to the chosen painting brush."), max_tooltip_width);
ImGui::SameLine(tool_type_offset + tool_type_radio_brush);
ImGui::PushItemWidth(tool_type_radio_smart_fill);
if (m_imgui->radio_button(m_desc["tool_smart_fill"], m_tool_type == ToolType::SMART_FILL))
m_tool_type = ToolType::SMART_FILL;
if (ImGui::IsItemHovered())
m_imgui->tooltip(_L("Paints neighboring facets whose relative angle is less or equal to set angle."), max_tooltip_width);
m_imgui->checkbox(m_desc["on_overhangs_only"], m_paint_on_overhangs_only);
if (ImGui::IsItemHovered())
m_imgui->tooltip(format_wxstr(_L("Allows painting only on facets selected by: \"%1%\""), m_desc["highlight_by_angle"]), max_tooltip_width);
ImGui::Separator();
if (m_tool_type == ToolType::BRUSH) {
m_imgui->text(m_desc.at("cursor_type"));
ImGui::NewLine();
float cursor_type_offset = (window_width - cursor_type_radio_sphere - cursor_type_radio_circle - cursor_type_radio_pointer + m_imgui->scaled(1.5f)) / 2.f;
ImGui::SameLine(cursor_type_offset);
ImGui::PushItemWidth(cursor_type_radio_sphere);
if (m_imgui->radio_button(m_desc["sphere"], m_cursor_type == TriangleSelector::CursorType::SPHERE))
m_cursor_type = TriangleSelector::CursorType::SPHERE;
if (ImGui::IsItemHovered())
m_imgui->tooltip(_L("Paints all facets inside, regardless of their orientation."), max_tooltip_width);
ImGui::SameLine(cursor_type_offset + cursor_type_radio_sphere);
ImGui::PushItemWidth(cursor_type_radio_circle);
if (m_imgui->radio_button(m_desc["circle"], m_cursor_type == TriangleSelector::CursorType::CIRCLE))
m_cursor_type = TriangleSelector::CursorType::CIRCLE;
if (ImGui::IsItemHovered())
m_imgui->tooltip(_L("Ignores facets facing away from the camera."), max_tooltip_width);
ImGui::SameLine(cursor_type_offset + cursor_type_radio_sphere + cursor_type_radio_circle);
ImGui::PushItemWidth(cursor_type_radio_pointer);
if (m_imgui->radio_button(m_desc["pointer"], m_cursor_type == TriangleSelector::CursorType::POINTER))
m_cursor_type = TriangleSelector::CursorType::POINTER;
if (ImGui::IsItemHovered())
m_imgui->tooltip(_L("Paints only one facet."), max_tooltip_width);
m_imgui->disabled_begin(m_cursor_type != TriangleSelector::CursorType::SPHERE && m_cursor_type != TriangleSelector::CursorType::CIRCLE);
ImGui::AlignTextToFramePadding();
m_imgui->text(m_desc.at("cursor_size"));
ImGui::SameLine(sliders_left_width);
ImGui::PushItemWidth(window_width - sliders_left_width - slider_icon_width);
m_imgui->slider_float("##cursor_radius", &m_cursor_radius, CursorRadiusMin, CursorRadiusMax, "%.2f", 1.0f, true, _L("Alt + Mouse wheel"));
m_imgui->checkbox(m_desc["split_triangles"], m_triangle_splitting_enabled);
if (ImGui::IsItemHovered())
m_imgui->tooltip(_L("Splits bigger facets into smaller ones while the object is painted."), max_tooltip_width);
m_imgui->disabled_end();
} else {
assert(m_tool_type == ToolType::SMART_FILL);
ImGui::AlignTextToFramePadding();
m_imgui->text(m_desc["smart_fill_angle"] + ":");
ImGui::SameLine(sliders_left_width);
ImGui::PushItemWidth(window_width - sliders_left_width - slider_icon_width);
if (m_imgui->slider_float("##smart_fill_angle", &m_smart_fill_angle, SmartFillAngleMin, SmartFillAngleMax, format_str.data(), 1.0f, true, _L("Alt + Mouse wheel")))
for (auto &triangle_selector : m_triangle_selectors) {
triangle_selector->seed_fill_unselect_all_triangles();
triangle_selector->request_update_render_data();
}
}
ImGui::Separator();
if (m_c->object_clipper()->get_position() == 0.f) {
ImGui::AlignTextToFramePadding();
m_imgui->text(m_desc.at("clipping_of_view"));
}
else {
if (m_imgui->button(m_desc.at("reset_direction"))) {
wxGetApp().CallAfter([this](){
m_c->object_clipper()->set_position(-1., false);
});
}
}
auto clp_dist = float(m_c->object_clipper()->get_position());
ImGui::SameLine(sliders_left_width);
ImGui::PushItemWidth(window_width - sliders_left_width - slider_icon_width);
if (m_imgui->slider_float("##clp_dist", &clp_dist, 0.f, 1.f, "%.2f", 1.0f, true, _L("Ctrl + Mouse wheel")))
m_c->object_clipper()->set_position(clp_dist, true);
ImGui::Separator();
if (m_imgui->button(m_desc.at("remove_all"))) {
Plater::TakeSnapshot snapshot(wxGetApp().plater(), _L("Reset selection"), UndoRedo::SnapshotType::GizmoAction);
ModelObject *mo = m_c->selection_info()->model_object();
int idx = -1;
for (ModelVolume *mv : mo->volumes)
if (mv->is_model_part()) {
++idx;
m_triangle_selectors[idx]->reset();
m_triangle_selectors[idx]->request_update_render_data();
}
update_model_object();
m_parent.set_as_dirty();
}
m_imgui->end();
}
void GLGizmoFdmSupports::select_facets_by_angle(float threshold_deg, bool block)
{
float threshold = (float(M_PI)/180.f)*threshold_deg;
const Selection& selection = m_parent.get_selection();
const ModelObject* mo = m_c->selection_info()->model_object();
const ModelInstance* mi = mo->instances[selection.get_instance_idx()];
int mesh_id = -1;
for (const ModelVolume* mv : mo->volumes) {
if (! mv->is_model_part())
continue;
++mesh_id;
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
const Transform3d trafo_matrix = mi->get_matrix_no_offset() * mv->get_matrix_no_offset();
#else
const Transform3d trafo_matrix = mi->get_matrix(true) * mv->get_matrix(true);
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
Vec3f down = (trafo_matrix.inverse() * (-Vec3d::UnitZ())).cast<float>().normalized();
Vec3f limit = (trafo_matrix.inverse() * Vec3d(std::sin(threshold), 0, -std::cos(threshold))).cast<float>().normalized();
float dot_limit = limit.dot(down);
// Now calculate dot product of vert_direction and facets' normals.
int idx = 0;
const indexed_triangle_set &its = mv->mesh().its;
for (const stl_triangle_vertex_indices &face : its.indices) {
if (its_face_normal(its, face).dot(down) > dot_limit) {
m_triangle_selectors[mesh_id]->set_facet(idx, block ? EnforcerBlockerType::BLOCKER : EnforcerBlockerType::ENFORCER);
m_triangle_selectors.back()->request_update_render_data();
}
++ idx;
}
}
Plater::TakeSnapshot snapshot(wxGetApp().plater(), block ? _L("Block supports by angle")
: _L("Add supports by angle"));
update_model_object();
m_parent.set_as_dirty();
}
void GLGizmoFdmSupports::update_model_object() const
{
bool updated = false;
ModelObject* mo = m_c->selection_info()->model_object();
int idx = -1;
for (ModelVolume* mv : mo->volumes) {
if (! mv->is_model_part())
continue;
++idx;
updated |= mv->supported_facets.set(*m_triangle_selectors[idx].get());
}
if (updated) {
const ModelObjectPtrs& mos = wxGetApp().model().objects;
wxGetApp().obj_list()->update_info_items(std::find(mos.begin(), mos.end(), mo) - mos.begin());
m_parent.post_event(SimpleEvent(EVT_GLCANVAS_SCHEDULE_BACKGROUND_PROCESS));
}
}
void GLGizmoFdmSupports::update_from_model_object()
{
wxBusyCursor wait;
const ModelObject* mo = m_c->selection_info()->model_object();
m_triangle_selectors.clear();
int volume_id = -1;
for (const ModelVolume* mv : mo->volumes) {
if (! mv->is_model_part())
continue;
++volume_id;
// This mesh does not account for the possible Z up SLA offset.
const TriangleMesh* mesh = &mv->mesh();
m_triangle_selectors.emplace_back(std::make_unique<TriangleSelectorGUI>(*mesh));
// Reset of TriangleSelector is done inside TriangleSelectorGUI's constructor, so we don't need it to perform it again in deserialize().
m_triangle_selectors.back()->deserialize(mv->supported_facets.get_data(), false);
m_triangle_selectors.back()->request_update_render_data();
}
}
PainterGizmoType GLGizmoFdmSupports::get_painter_type() const
{
return PainterGizmoType::FDM_SUPPORTS;
}
wxString GLGizmoFdmSupports::handle_snapshot_action_name(bool shift_down, GLGizmoPainterBase::Button button_down) const
{
wxString action_name;
if (shift_down)
action_name = _L("Remove selection");
else {
if (button_down == Button::Left)
action_name = _L("Add supports");
else
action_name = _L("Block supports");
}
return action_name;
}
} // namespace Slic3r::GUI

954
src/slic3r/GUI/Gizmos/GLGizmoFlatten.cpp
View file

@ -1,475 +1,479 @@
// Include GLGizmoBase.hpp before I18N.hpp as it includes some libigl code, which overrides our localization "L" macro.
#include "GLGizmoFlatten.hpp"
#include "slic3r/GUI/GLCanvas3D.hpp"
#if ENABLE_LEGACY_OPENGL_REMOVAL
#include "slic3r/GUI/GUI_App.hpp"
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
#if ENABLE_GL_SHADERS_ATTRIBUTES
#include "slic3r/GUI/Plater.hpp"
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
#include "slic3r/GUI/Gizmos/GLGizmosCommon.hpp"
#include "libslic3r/Geometry/ConvexHull.hpp"
#include "libslic3r/Model.hpp"
#include <numeric>
#include <GL/glew.h>
namespace Slic3r {
namespace GUI {
static const Slic3r::ColorRGBA DEFAULT_PLANE_COLOR = { 0.9f, 0.9f, 0.9f, 0.5f };
static const Slic3r::ColorRGBA DEFAULT_HOVER_PLANE_COLOR = { 0.9f, 0.9f, 0.9f, 0.75f };
GLGizmoFlatten::GLGizmoFlatten(GLCanvas3D& parent, const std::string& icon_filename, unsigned int sprite_id)
: GLGizmoBase(parent, icon_filename, sprite_id)
{}
bool GLGizmoFlatten::on_mouse(const wxMouseEvent &mouse_event)
{
if (mouse_event.Moving()) {
// only for sure
m_mouse_left_down = false;
return false;
}
if (mouse_event.LeftDown()) {
if (m_hover_id != -1) {
m_mouse_left_down = true;
Selection &selection = m_parent.get_selection();
if (selection.is_single_full_instance()) {
// Rotate the object so the normal points downward:
selection.flattening_rotate(m_planes[m_hover_id].normal);
m_parent.do_rotate(L("Gizmo-Place on Face"));
}
return true;
}
// fix: prevent restart gizmo when reselect object
// take responsibility for left up
if (m_parent.get_first_hover_volume_idx() >= 0) m_mouse_left_down = true;
} else if (mouse_event.LeftUp()) {
if (m_mouse_left_down) {
// responsible for mouse left up after selecting plane
m_mouse_left_down = false;
return true;
}
} else if (mouse_event.Leaving()) {
m_mouse_left_down = false;
}
return false;
}
void GLGizmoFlatten::data_changed()
{
const Selection & selection = m_parent.get_selection();
const ModelObject *model_object = nullptr;
if (selection.is_single_full_instance() ||
selection.is_from_single_object() ) {
model_object = selection.get_model()->objects[selection.get_object_idx()];
}
set_flattening_data(model_object);
}
bool GLGizmoFlatten::on_init()
{
m_shortcut_key = WXK_CONTROL_F;
return true;
}
void GLGizmoFlatten::on_set_state()
{
}
CommonGizmosDataID GLGizmoFlatten::on_get_requirements() const
{
return CommonGizmosDataID::SelectionInfo;
}
std::string GLGizmoFlatten::on_get_name() const
{
return _u8L("Place on face");
}
bool GLGizmoFlatten::on_is_activable() const
{
// This is assumed in GLCanvas3D::do_rotate, do not change this
// without updating that function too.
return m_parent.get_selection().is_single_full_instance();
}
void GLGizmoFlatten::on_render()
{
const Selection& selection = m_parent.get_selection();
#if ENABLE_LEGACY_OPENGL_REMOVAL
GLShaderProgram* shader = wxGetApp().get_shader("flat");
if (shader == nullptr)
return;
shader->start_using();
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
glsafe(::glClear(GL_DEPTH_BUFFER_BIT));
glsafe(::glEnable(GL_DEPTH_TEST));
glsafe(::glEnable(GL_BLEND));
if (selection.is_single_full_instance()) {
const Transform3d& m = selection.get_volume(*selection.get_volume_idxs().begin())->get_instance_transformation().get_matrix();
#if ENABLE_GL_SHADERS_ATTRIBUTES
const Camera& camera = wxGetApp().plater()->get_camera();
const Transform3d view_model_matrix = camera.get_view_matrix() *
Geometry::assemble_transform(selection.get_volume(*selection.get_volume_idxs().begin())->get_sla_shift_z() * Vec3d::UnitZ()) * m;
shader->set_uniform("view_model_matrix", view_model_matrix);
shader->set_uniform("projection_matrix", camera.get_projection_matrix());
#else
glsafe(::glPushMatrix());
glsafe(::glTranslatef(0.f, 0.f, selection.get_volume(*selection.get_volume_idxs().begin())->get_sla_shift_z()));
glsafe(::glMultMatrixd(m.data()));
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
if (this->is_plane_update_necessary())
update_planes();
for (int i = 0; i < (int)m_planes.size(); ++i) {
#if ENABLE_LEGACY_OPENGL_REMOVAL
m_planes[i].vbo.set_color(i == m_hover_id ? DEFAULT_HOVER_PLANE_COLOR : DEFAULT_PLANE_COLOR);
m_planes[i].vbo.render();
#else
glsafe(::glColor4fv(i == m_hover_id ? DEFAULT_HOVER_PLANE_COLOR.data() : DEFAULT_PLANE_COLOR.data()));
if (m_planes[i].vbo.has_VBOs())
m_planes[i].vbo.render();
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
}
#if !ENABLE_GL_SHADERS_ATTRIBUTES
glsafe(::glPopMatrix());
#endif // !ENABLE_GL_SHADERS_ATTRIBUTES
}
glsafe(::glEnable(GL_CULL_FACE));
glsafe(::glDisable(GL_BLEND));
#if ENABLE_LEGACY_OPENGL_REMOVAL
shader->stop_using();
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
}
void GLGizmoFlatten::on_render_for_picking()
{
const Selection& selection = m_parent.get_selection();
#if ENABLE_LEGACY_OPENGL_REMOVAL
GLShaderProgram* shader = wxGetApp().get_shader("flat");
if (shader == nullptr)
return;
shader->start_using();
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
glsafe(::glDisable(GL_DEPTH_TEST));
glsafe(::glDisable(GL_BLEND));
if (selection.is_single_full_instance() && !wxGetKeyState(WXK_CONTROL)) {
const Transform3d& m = selection.get_volume(*selection.get_volume_idxs().begin())->get_instance_transformation().get_matrix();
#if ENABLE_GL_SHADERS_ATTRIBUTES
const Camera& camera = wxGetApp().plater()->get_camera();
const Transform3d view_model_matrix = camera.get_view_matrix() *
Geometry::assemble_transform(selection.get_volume(*selection.get_volume_idxs().begin())->get_sla_shift_z() * Vec3d::UnitZ()) * m;
shader->set_uniform("view_model_matrix", view_model_matrix);
shader->set_uniform("projection_matrix", camera.get_projection_matrix());
#else
glsafe(::glPushMatrix());
glsafe(::glTranslatef(0.f, 0.f, selection.get_volume(*selection.get_volume_idxs().begin())->get_sla_shift_z()));
glsafe(::glMultMatrixd(m.data()));
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
if (this->is_plane_update_necessary())
update_planes();
for (int i = 0; i < (int)m_planes.size(); ++i) {
#if ENABLE_LEGACY_OPENGL_REMOVAL
m_planes[i].vbo.set_color(picking_color_component(i));
#else
glsafe(::glColor4fv(picking_color_component(i).data()));
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
m_planes[i].vbo.render();
}
#if !ENABLE_GL_SHADERS_ATTRIBUTES
glsafe(::glPopMatrix());
#endif // !ENABLE_GL_SHADERS_ATTRIBUTES
}
glsafe(::glEnable(GL_CULL_FACE));
#if ENABLE_LEGACY_OPENGL_REMOVAL
shader->stop_using();
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
}
void GLGizmoFlatten::set_flattening_data(const ModelObject* model_object)
{
if (model_object != m_old_model_object) {
m_planes.clear();
m_planes_valid = false;
}
}
void GLGizmoFlatten::update_planes()
{
const ModelObject* mo = m_c->selection_info()->model_object();
TriangleMesh ch;
for (const ModelVolume* vol : mo->volumes) {
if (vol->type() != ModelVolumeType::MODEL_PART)
continue;
TriangleMesh vol_ch = vol->get_convex_hull();
vol_ch.transform(vol->get_matrix());
ch.merge(vol_ch);
}
ch = ch.convex_hull_3d();
m_planes.clear();
const Transform3d& inst_matrix = mo->instances.front()->get_matrix(true);
// Following constants are used for discarding too small polygons.
const float minimal_area = 5.f; // in square mm (world coordinates)
const float minimal_side = 1.f; // mm
// Now we'll go through all the facets and append Points of facets sharing the same normal.
// This part is still performed in mesh coordinate system.
const int num_of_facets = ch.facets_count();
const std::vector<Vec3f> face_normals = its_face_normals(ch.its);
const std::vector<Vec3i> face_neighbors = its_face_neighbors(ch.its);
std::vector<int> facet_queue(num_of_facets, 0);
std::vector<bool> facet_visited(num_of_facets, false);
int facet_queue_cnt = 0;
const stl_normal* normal_ptr = nullptr;
int facet_idx = 0;
while (1) {
// Find next unvisited triangle:
for (; facet_idx < num_of_facets; ++ facet_idx)
if (!facet_visited[facet_idx]) {
facet_queue[facet_queue_cnt ++] = facet_idx;
facet_visited[facet_idx] = true;
normal_ptr = &face_normals[facet_idx];
m_planes.emplace_back();
break;
}
if (facet_idx == num_of_facets)
break; // Everything was visited already
while (facet_queue_cnt > 0) {
int facet_idx = facet_queue[-- facet_queue_cnt];
const stl_normal& this_normal = face_normals[facet_idx];
if (std::abs(this_normal(0) - (*normal_ptr)(0)) < 0.001 && std::abs(this_normal(1) - (*normal_ptr)(1)) < 0.001 && std::abs(this_normal(2) - (*normal_ptr)(2)) < 0.001) {
const Vec3i face = ch.its.indices[facet_idx];
for (int j=0; j<3; ++j)
m_planes.back().vertices.emplace_back(ch.its.vertices[face[j]].cast<double>());
facet_visited[facet_idx] = true;
for (int j = 0; j < 3; ++ j)
if (int neighbor_idx = face_neighbors[facet_idx][j]; neighbor_idx >= 0 && ! facet_visited[neighbor_idx])
facet_queue[facet_queue_cnt ++] = neighbor_idx;
}
}
m_planes.back().normal = normal_ptr->cast<double>();
Pointf3s& verts = m_planes.back().vertices;
// Now we'll transform all the points into world coordinates, so that the areas, angles and distances
// make real sense.
verts = transform(verts, inst_matrix);
// if this is a just a very small triangle, remove it to speed up further calculations (it would be rejected later anyway):
if (verts.size() == 3 &&
((verts[0] - verts[1]).norm() < minimal_side
|| (verts[0] - verts[2]).norm() < minimal_side
|| (verts[1] - verts[2]).norm() < minimal_side))
m_planes.pop_back();
}
// Let's prepare transformation of the normal vector from mesh to instance coordinates.
Geometry::Transformation t(inst_matrix);
Vec3d scaling = t.get_scaling_factor();
t.set_scaling_factor(Vec3d(1./scaling(0), 1./scaling(1), 1./scaling(2)));
// Now we'll go through all the polygons, transform the points into xy plane to process them:
for (unsigned int polygon_id=0; polygon_id < m_planes.size(); ++polygon_id) {
Pointf3s& polygon = m_planes[polygon_id].vertices;
const Vec3d& normal = m_planes[polygon_id].normal;
// transform the normal according to the instance matrix:
Vec3d normal_transformed = t.get_matrix() * normal;
// We are going to rotate about z and y to flatten the plane
Eigen::Quaterniond q;
Transform3d m = Transform3d::Identity();
m.matrix().block(0, 0, 3, 3) = q.setFromTwoVectors(normal_transformed, Vec3d::UnitZ()).toRotationMatrix();
polygon = transform(polygon, m);
// Now to remove the inner points. We'll misuse Geometry::convex_hull for that, but since
// it works in fixed point representation, we will rescale the polygon to avoid overflows.
// And yes, it is a nasty thing to do. Whoever has time is free to refactor.
Vec3d bb_size = BoundingBoxf3(polygon).size();
float sf = std::min(1./bb_size(0), 1./bb_size(1));
Transform3d tr = Geometry::assemble_transform(Vec3d::Zero(), Vec3d::Zero(), Vec3d(sf, sf, 1.f));
polygon = transform(polygon, tr);
polygon = Slic3r::Geometry::convex_hull(polygon);
polygon = transform(polygon, tr.inverse());
// Calculate area of the polygons and discard ones that are too small
float& area = m_planes[polygon_id].area;
area = 0.f;
for (unsigned int i = 0; i < polygon.size(); i++) // Shoelace formula
area += polygon[i](0)*polygon[i + 1 < polygon.size() ? i + 1 : 0](1) - polygon[i + 1 < polygon.size() ? i + 1 : 0](0)*polygon[i](1);
area = 0.5f * std::abs(area);
bool discard = false;
if (area < minimal_area)
discard = true;
else {
// We also check the inner angles and discard polygons with angles smaller than the following threshold
const double angle_threshold = ::cos(10.0 * (double)PI / 180.0);
for (unsigned int i = 0; i < polygon.size(); ++i) {
const Vec3d& prec = polygon[(i == 0) ? polygon.size() - 1 : i - 1];
const Vec3d& curr = polygon[i];
const Vec3d& next = polygon[(i == polygon.size() - 1) ? 0 : i + 1];
if ((prec - curr).normalized().dot((next - curr).normalized()) > angle_threshold) {
discard = true;
break;
}
}
}
if (discard) {
m_planes[polygon_id--] = std::move(m_planes.back());
m_planes.pop_back();
continue;
}
// We will shrink the polygon a little bit so it does not touch the object edges:
Vec3d centroid = std::accumulate(polygon.begin(), polygon.end(), Vec3d(0.0, 0.0, 0.0));
centroid /= (double)polygon.size();
for (auto& vertex : polygon)
vertex = 0.9f*vertex + 0.1f*centroid;
// Polygon is now simple and convex, we'll round the corners to make them look nicer.
// The algorithm takes a vertex, calculates middles of respective sides and moves the vertex
// towards their average (controlled by 'aggressivity'). This is repeated k times.
// In next iterations, the neighbours are not always taken at the middle (to increase the
// rounding effect at the corners, where we need it most).
const unsigned int k = 10; // number of iterations
const float aggressivity = 0.2f; // agressivity
const unsigned int N = polygon.size();
std::vector<std::pair<unsigned int, unsigned int>> neighbours;
if (k != 0) {
Pointf3s points_out(2*k*N); // vector long enough to store the future vertices
for (unsigned int j=0; j<N; ++j) {
points_out[j*2*k] = polygon[j];
neighbours.push_back(std::make_pair((int)(j*2*k-k) < 0 ? (N-1)*2*k+k : j*2*k-k, j*2*k+k));
}
for (unsigned int i=0; i<k; ++i) {
// Calculate middle of each edge so that neighbours points to something useful:
for (unsigned int j=0; j<N; ++j)
if (i==0)
points_out[j*2*k+k] = 0.5f * (points_out[j*2*k] + points_out[j==N-1 ? 0 : (j+1)*2*k]);
else {
float r = 0.2+0.3/(k-1)*i; // the neighbours are not always taken in the middle
points_out[neighbours[j].first] = r*points_out[j*2*k] + (1-r) * points_out[neighbours[j].first-1];
points_out[neighbours[j].second] = r*points_out[j*2*k] + (1-r) * points_out[neighbours[j].second+1];
}
// Now we have a triangle and valid neighbours, we can do an iteration:
for (unsigned int j=0; j<N; ++j)
points_out[2*k*j] = (1-aggressivity) * points_out[2*k*j] +
aggressivity*0.5f*(points_out[neighbours[j].first] + points_out[neighbours[j].second]);
for (auto& n : neighbours) {
++n.first;
--n.second;
}
}
polygon = points_out; // replace the coarse polygon with the smooth one that we just created
}
// Raise a bit above the object surface to avoid flickering:
for (auto& b : polygon)
b(2) += 0.1f;
// Transform back to 3D (and also back to mesh coordinates)
polygon = transform(polygon, inst_matrix.inverse() * m.inverse());
}
// We'll sort the planes by area and only keep the 254 largest ones (because of the picking pass limitations):
std::sort(m_planes.rbegin(), m_planes.rend(), [](const PlaneData& a, const PlaneData& b) { return a.area < b.area; });
m_planes.resize(std::min((int)m_planes.size(), 254));
// Planes are finished - let's save what we calculated it from:
m_volumes_matrices.clear();
m_volumes_types.clear();
for (const ModelVolume* vol : mo->volumes) {
m_volumes_matrices.push_back(vol->get_matrix());
m_volumes_types.push_back(vol->type());
}
m_first_instance_scale = mo->instances.front()->get_scaling_factor();
m_first_instance_mirror = mo->instances.front()->get_mirror();
m_old_model_object = mo;
// And finally create respective VBOs. The polygon is convex with
// the vertices in order, so triangulation is trivial.
for (auto& plane : m_planes) {
#if ENABLE_LEGACY_OPENGL_REMOVAL
GLModel::Geometry init_data;
init_data.format = { GLModel::Geometry::EPrimitiveType::TriangleFan, GLModel::Geometry::EVertexLayout::P3N3 };
init_data.reserve_vertices(plane.vertices.size());
init_data.reserve_indices(plane.vertices.size());
// vertices + indices
for (size_t i = 0; i < plane.vertices.size(); ++i) {
init_data.add_vertex((Vec3f)plane.vertices[i].cast<float>(), (Vec3f)plane.normal.cast<float>());
init_data.add_index((unsigned int)i);
}
plane.vbo.init_from(std::move(init_data));
#else
plane.vbo.reserve(plane.vertices.size());
for (const auto& vert : plane.vertices)
plane.vbo.push_geometry(vert, plane.normal);
for (size_t i=1; i<plane.vertices.size()-1; ++i)
plane.vbo.push_triangle(0, i, i+1); // triangle fan
plane.vbo.finalize_geometry(true);
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
// FIXME: vertices should really be local, they need not
// persist now when we use VBOs
plane.vertices.clear();
plane.vertices.shrink_to_fit();
}
m_planes_valid = true;
}
bool GLGizmoFlatten::is_plane_update_necessary() const
{
const ModelObject* mo = m_c->selection_info()->model_object();
if (m_state != On || ! mo || mo->instances.empty())
return false;
if (! m_planes_valid || mo != m_old_model_object
|| mo->volumes.size() != m_volumes_matrices.size())
return true;
// We want to recalculate when the scale changes - some planes could (dis)appear.
if (! mo->instances.front()->get_scaling_factor().isApprox(m_first_instance_scale)
|| ! mo->instances.front()->get_mirror().isApprox(m_first_instance_mirror))
return true;
for (unsigned int i=0; i < mo->volumes.size(); ++i)
if (! mo->volumes[i]->get_matrix().isApprox(m_volumes_matrices[i])
|| mo->volumes[i]->type() != m_volumes_types[i])
return true;
return false;
}
} // namespace GUI
} // namespace Slic3r
// Include GLGizmoBase.hpp before I18N.hpp as it includes some libigl code, which overrides our localization "L" macro.
#include "GLGizmoFlatten.hpp"
#include "slic3r/GUI/GLCanvas3D.hpp"
#if ENABLE_LEGACY_OPENGL_REMOVAL
#include "slic3r/GUI/GUI_App.hpp"
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
#if ENABLE_GL_SHADERS_ATTRIBUTES
#include "slic3r/GUI/Plater.hpp"
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
#include "slic3r/GUI/Gizmos/GLGizmosCommon.hpp"
#include "libslic3r/Geometry/ConvexHull.hpp"
#include "libslic3r/Model.hpp"
#include <numeric>
#include <GL/glew.h>
namespace Slic3r {
namespace GUI {
static const Slic3r::ColorRGBA DEFAULT_PLANE_COLOR = { 0.9f, 0.9f, 0.9f, 0.5f };
static const Slic3r::ColorRGBA DEFAULT_HOVER_PLANE_COLOR = { 0.9f, 0.9f, 0.9f, 0.75f };
GLGizmoFlatten::GLGizmoFlatten(GLCanvas3D& parent, const std::string& icon_filename, unsigned int sprite_id)
: GLGizmoBase(parent, icon_filename, sprite_id)
{}
bool GLGizmoFlatten::on_mouse(const wxMouseEvent &mouse_event)
{
if (mouse_event.Moving()) {
// only for sure
m_mouse_left_down = false;
return false;
}
if (mouse_event.LeftDown()) {
if (m_hover_id != -1) {
m_mouse_left_down = true;
Selection &selection = m_parent.get_selection();
if (selection.is_single_full_instance()) {
// Rotate the object so the normal points downward:
selection.flattening_rotate(m_planes[m_hover_id].normal);
m_parent.do_rotate(L("Gizmo-Place on Face"));
}
return true;
}
// fix: prevent restart gizmo when reselect object
// take responsibility for left up
if (m_parent.get_first_hover_volume_idx() >= 0) m_mouse_left_down = true;
} else if (mouse_event.LeftUp()) {
if (m_mouse_left_down) {
// responsible for mouse left up after selecting plane
m_mouse_left_down = false;
return true;
}
} else if (mouse_event.Leaving()) {
m_mouse_left_down = false;
}
return false;
}
void GLGizmoFlatten::data_changed()
{
const Selection & selection = m_parent.get_selection();
const ModelObject *model_object = nullptr;
if (selection.is_single_full_instance() ||
selection.is_from_single_object() ) {
model_object = selection.get_model()->objects[selection.get_object_idx()];
}
set_flattening_data(model_object);
}
bool GLGizmoFlatten::on_init()
{
m_shortcut_key = WXK_CONTROL_F;
return true;
}
void GLGizmoFlatten::on_set_state()
{
}
CommonGizmosDataID GLGizmoFlatten::on_get_requirements() const
{
return CommonGizmosDataID::SelectionInfo;
}
std::string GLGizmoFlatten::on_get_name() const
{
return _u8L("Place on face");
}
bool GLGizmoFlatten::on_is_activable() const
{
// This is assumed in GLCanvas3D::do_rotate, do not change this
// without updating that function too.
return m_parent.get_selection().is_single_full_instance();
}
void GLGizmoFlatten::on_render()
{
const Selection& selection = m_parent.get_selection();
#if ENABLE_LEGACY_OPENGL_REMOVAL
GLShaderProgram* shader = wxGetApp().get_shader("flat");
if (shader == nullptr)
return;
shader->start_using();
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
glsafe(::glClear(GL_DEPTH_BUFFER_BIT));
glsafe(::glEnable(GL_DEPTH_TEST));
glsafe(::glEnable(GL_BLEND));
if (selection.is_single_full_instance()) {
const Transform3d& m = selection.get_volume(*selection.get_volume_idxs().begin())->get_instance_transformation().get_matrix();
#if ENABLE_GL_SHADERS_ATTRIBUTES
const Camera& camera = wxGetApp().plater()->get_camera();
const Transform3d view_model_matrix = camera.get_view_matrix() *
Geometry::assemble_transform(selection.get_volume(*selection.get_volume_idxs().begin())->get_sla_shift_z() * Vec3d::UnitZ()) * m;
shader->set_uniform("view_model_matrix", view_model_matrix);
shader->set_uniform("projection_matrix", camera.get_projection_matrix());
#else
glsafe(::glPushMatrix());
glsafe(::glTranslatef(0.f, 0.f, selection.get_volume(*selection.get_volume_idxs().begin())->get_sla_shift_z()));
glsafe(::glMultMatrixd(m.data()));
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
if (this->is_plane_update_necessary())
update_planes();
for (int i = 0; i < (int)m_planes.size(); ++i) {
#if ENABLE_LEGACY_OPENGL_REMOVAL
m_planes[i].vbo.set_color(i == m_hover_id ? DEFAULT_HOVER_PLANE_COLOR : DEFAULT_PLANE_COLOR);
m_planes[i].vbo.render();
#else
glsafe(::glColor4fv(i == m_hover_id ? DEFAULT_HOVER_PLANE_COLOR.data() : DEFAULT_PLANE_COLOR.data()));
if (m_planes[i].vbo.has_VBOs())
m_planes[i].vbo.render();
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
}
#if !ENABLE_GL_SHADERS_ATTRIBUTES
glsafe(::glPopMatrix());
#endif // !ENABLE_GL_SHADERS_ATTRIBUTES
}
glsafe(::glEnable(GL_CULL_FACE));
glsafe(::glDisable(GL_BLEND));
#if ENABLE_LEGACY_OPENGL_REMOVAL
shader->stop_using();
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
}
void GLGizmoFlatten::on_render_for_picking()
{
const Selection& selection = m_parent.get_selection();
#if ENABLE_LEGACY_OPENGL_REMOVAL
GLShaderProgram* shader = wxGetApp().get_shader("flat");
if (shader == nullptr)
return;
shader->start_using();
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
glsafe(::glDisable(GL_DEPTH_TEST));
glsafe(::glDisable(GL_BLEND));
if (selection.is_single_full_instance() && !wxGetKeyState(WXK_CONTROL)) {
const Transform3d& m = selection.get_volume(*selection.get_volume_idxs().begin())->get_instance_transformation().get_matrix();
#if ENABLE_GL_SHADERS_ATTRIBUTES
const Camera& camera = wxGetApp().plater()->get_camera();
const Transform3d view_model_matrix = camera.get_view_matrix() *
Geometry::assemble_transform(selection.get_volume(*selection.get_volume_idxs().begin())->get_sla_shift_z() * Vec3d::UnitZ()) * m;
shader->set_uniform("view_model_matrix", view_model_matrix);
shader->set_uniform("projection_matrix", camera.get_projection_matrix());
#else
glsafe(::glPushMatrix());
glsafe(::glTranslatef(0.f, 0.f, selection.get_volume(*selection.get_volume_idxs().begin())->get_sla_shift_z()));
glsafe(::glMultMatrixd(m.data()));
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
if (this->is_plane_update_necessary())
update_planes();
for (int i = 0; i < (int)m_planes.size(); ++i) {
#if ENABLE_LEGACY_OPENGL_REMOVAL
m_planes[i].vbo.set_color(picking_color_component(i));
#else
glsafe(::glColor4fv(picking_color_component(i).data()));
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
m_planes[i].vbo.render();
}
#if !ENABLE_GL_SHADERS_ATTRIBUTES
glsafe(::glPopMatrix());
#endif // !ENABLE_GL_SHADERS_ATTRIBUTES
}
glsafe(::glEnable(GL_CULL_FACE));
#if ENABLE_LEGACY_OPENGL_REMOVAL
shader->stop_using();
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
}
void GLGizmoFlatten::set_flattening_data(const ModelObject* model_object)
{
if (model_object != m_old_model_object) {
m_planes.clear();
m_planes_valid = false;
}
}
void GLGizmoFlatten::update_planes()
{
const ModelObject* mo = m_c->selection_info()->model_object();
TriangleMesh ch;
for (const ModelVolume* vol : mo->volumes) {
if (vol->type() != ModelVolumeType::MODEL_PART)
continue;
TriangleMesh vol_ch = vol->get_convex_hull();
vol_ch.transform(vol->get_matrix());
ch.merge(vol_ch);
}
ch = ch.convex_hull_3d();
m_planes.clear();
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
const Transform3d inst_matrix = mo->instances.front()->get_matrix_no_offset();
#else
const Transform3d& inst_matrix = mo->instances.front()->get_matrix(true);
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
// Following constants are used for discarding too small polygons.
const float minimal_area = 5.f; // in square mm (world coordinates)
const float minimal_side = 1.f; // mm
// Now we'll go through all the facets and append Points of facets sharing the same normal.
// This part is still performed in mesh coordinate system.
const int num_of_facets = ch.facets_count();
const std::vector<Vec3f> face_normals = its_face_normals(ch.its);
const std::vector<Vec3i> face_neighbors = its_face_neighbors(ch.its);
std::vector<int> facet_queue(num_of_facets, 0);
std::vector<bool> facet_visited(num_of_facets, false);
int facet_queue_cnt = 0;
const stl_normal* normal_ptr = nullptr;
int facet_idx = 0;
while (1) {
// Find next unvisited triangle:
for (; facet_idx < num_of_facets; ++ facet_idx)
if (!facet_visited[facet_idx]) {
facet_queue[facet_queue_cnt ++] = facet_idx;
facet_visited[facet_idx] = true;
normal_ptr = &face_normals[facet_idx];
m_planes.emplace_back();
break;
}
if (facet_idx == num_of_facets)
break; // Everything was visited already
while (facet_queue_cnt > 0) {
int facet_idx = facet_queue[-- facet_queue_cnt];
const stl_normal& this_normal = face_normals[facet_idx];
if (std::abs(this_normal(0) - (*normal_ptr)(0)) < 0.001 && std::abs(this_normal(1) - (*normal_ptr)(1)) < 0.001 && std::abs(this_normal(2) - (*normal_ptr)(2)) < 0.001) {
const Vec3i face = ch.its.indices[facet_idx];
for (int j=0; j<3; ++j)
m_planes.back().vertices.emplace_back(ch.its.vertices[face[j]].cast<double>());
facet_visited[facet_idx] = true;
for (int j = 0; j < 3; ++ j)
if (int neighbor_idx = face_neighbors[facet_idx][j]; neighbor_idx >= 0 && ! facet_visited[neighbor_idx])
facet_queue[facet_queue_cnt ++] = neighbor_idx;
}
}
m_planes.back().normal = normal_ptr->cast<double>();
Pointf3s& verts = m_planes.back().vertices;
// Now we'll transform all the points into world coordinates, so that the areas, angles and distances
// make real sense.
verts = transform(verts, inst_matrix);
// if this is a just a very small triangle, remove it to speed up further calculations (it would be rejected later anyway):
if (verts.size() == 3 &&
((verts[0] - verts[1]).norm() < minimal_side
|| (verts[0] - verts[2]).norm() < minimal_side
|| (verts[1] - verts[2]).norm() < minimal_side))
m_planes.pop_back();
}
// Let's prepare transformation of the normal vector from mesh to instance coordinates.
Geometry::Transformation t(inst_matrix);
Vec3d scaling = t.get_scaling_factor();
t.set_scaling_factor(Vec3d(1./scaling(0), 1./scaling(1), 1./scaling(2)));
// Now we'll go through all the polygons, transform the points into xy plane to process them:
for (unsigned int polygon_id=0; polygon_id < m_planes.size(); ++polygon_id) {
Pointf3s& polygon = m_planes[polygon_id].vertices;
const Vec3d& normal = m_planes[polygon_id].normal;
// transform the normal according to the instance matrix:
Vec3d normal_transformed = t.get_matrix() * normal;
// We are going to rotate about z and y to flatten the plane
Eigen::Quaterniond q;
Transform3d m = Transform3d::Identity();
m.matrix().block(0, 0, 3, 3) = q.setFromTwoVectors(normal_transformed, Vec3d::UnitZ()).toRotationMatrix();
polygon = transform(polygon, m);
// Now to remove the inner points. We'll misuse Geometry::convex_hull for that, but since
// it works in fixed point representation, we will rescale the polygon to avoid overflows.
// And yes, it is a nasty thing to do. Whoever has time is free to refactor.
Vec3d bb_size = BoundingBoxf3(polygon).size();
float sf = std::min(1./bb_size(0), 1./bb_size(1));
Transform3d tr = Geometry::assemble_transform(Vec3d::Zero(), Vec3d::Zero(), Vec3d(sf, sf, 1.f));
polygon = transform(polygon, tr);
polygon = Slic3r::Geometry::convex_hull(polygon);
polygon = transform(polygon, tr.inverse());
// Calculate area of the polygons and discard ones that are too small
float& area = m_planes[polygon_id].area;
area = 0.f;
for (unsigned int i = 0; i < polygon.size(); i++) // Shoelace formula
area += polygon[i](0)*polygon[i + 1 < polygon.size() ? i + 1 : 0](1) - polygon[i + 1 < polygon.size() ? i + 1 : 0](0)*polygon[i](1);
area = 0.5f * std::abs(area);
bool discard = false;
if (area < minimal_area)
discard = true;
else {
// We also check the inner angles and discard polygons with angles smaller than the following threshold
const double angle_threshold = ::cos(10.0 * (double)PI / 180.0);
for (unsigned int i = 0; i < polygon.size(); ++i) {
const Vec3d& prec = polygon[(i == 0) ? polygon.size() - 1 : i - 1];
const Vec3d& curr = polygon[i];
const Vec3d& next = polygon[(i == polygon.size() - 1) ? 0 : i + 1];
if ((prec - curr).normalized().dot((next - curr).normalized()) > angle_threshold) {
discard = true;
break;
}
}
}
if (discard) {
m_planes[polygon_id--] = std::move(m_planes.back());
m_planes.pop_back();
continue;
}
// We will shrink the polygon a little bit so it does not touch the object edges:
Vec3d centroid = std::accumulate(polygon.begin(), polygon.end(), Vec3d(0.0, 0.0, 0.0));
centroid /= (double)polygon.size();
for (auto& vertex : polygon)
vertex = 0.9f*vertex + 0.1f*centroid;
// Polygon is now simple and convex, we'll round the corners to make them look nicer.
// The algorithm takes a vertex, calculates middles of respective sides and moves the vertex
// towards their average (controlled by 'aggressivity'). This is repeated k times.
// In next iterations, the neighbours are not always taken at the middle (to increase the
// rounding effect at the corners, where we need it most).
const unsigned int k = 10; // number of iterations
const float aggressivity = 0.2f; // agressivity
const unsigned int N = polygon.size();
std::vector<std::pair<unsigned int, unsigned int>> neighbours;
if (k != 0) {
Pointf3s points_out(2*k*N); // vector long enough to store the future vertices
for (unsigned int j=0; j<N; ++j) {
points_out[j*2*k] = polygon[j];
neighbours.push_back(std::make_pair((int)(j*2*k-k) < 0 ? (N-1)*2*k+k : j*2*k-k, j*2*k+k));
}
for (unsigned int i=0; i<k; ++i) {
// Calculate middle of each edge so that neighbours points to something useful:
for (unsigned int j=0; j<N; ++j)
if (i==0)
points_out[j*2*k+k] = 0.5f * (points_out[j*2*k] + points_out[j==N-1 ? 0 : (j+1)*2*k]);
else {
float r = 0.2+0.3/(k-1)*i; // the neighbours are not always taken in the middle
points_out[neighbours[j].first] = r*points_out[j*2*k] + (1-r) * points_out[neighbours[j].first-1];
points_out[neighbours[j].second] = r*points_out[j*2*k] + (1-r) * points_out[neighbours[j].second+1];
}
// Now we have a triangle and valid neighbours, we can do an iteration:
for (unsigned int j=0; j<N; ++j)
points_out[2*k*j] = (1-aggressivity) * points_out[2*k*j] +
aggressivity*0.5f*(points_out[neighbours[j].first] + points_out[neighbours[j].second]);
for (auto& n : neighbours) {
++n.first;
--n.second;
}
}
polygon = points_out; // replace the coarse polygon with the smooth one that we just created
}
// Raise a bit above the object surface to avoid flickering:
for (auto& b : polygon)
b(2) += 0.1f;
// Transform back to 3D (and also back to mesh coordinates)
polygon = transform(polygon, inst_matrix.inverse() * m.inverse());
}
// We'll sort the planes by area and only keep the 254 largest ones (because of the picking pass limitations):
std::sort(m_planes.rbegin(), m_planes.rend(), [](const PlaneData& a, const PlaneData& b) { return a.area < b.area; });
m_planes.resize(std::min((int)m_planes.size(), 254));
// Planes are finished - let's save what we calculated it from:
m_volumes_matrices.clear();
m_volumes_types.clear();
for (const ModelVolume* vol : mo->volumes) {
m_volumes_matrices.push_back(vol->get_matrix());
m_volumes_types.push_back(vol->type());
}
m_first_instance_scale = mo->instances.front()->get_scaling_factor();
m_first_instance_mirror = mo->instances.front()->get_mirror();
m_old_model_object = mo;
// And finally create respective VBOs. The polygon is convex with
// the vertices in order, so triangulation is trivial.
for (auto& plane : m_planes) {
#if ENABLE_LEGACY_OPENGL_REMOVAL
GLModel::Geometry init_data;
init_data.format = { GLModel::Geometry::EPrimitiveType::TriangleFan, GLModel::Geometry::EVertexLayout::P3N3 };
init_data.reserve_vertices(plane.vertices.size());
init_data.reserve_indices(plane.vertices.size());
// vertices + indices
for (size_t i = 0; i < plane.vertices.size(); ++i) {
init_data.add_vertex((Vec3f)plane.vertices[i].cast<float>(), (Vec3f)plane.normal.cast<float>());
init_data.add_index((unsigned int)i);
}
plane.vbo.init_from(std::move(init_data));
#else
plane.vbo.reserve(plane.vertices.size());
for (const auto& vert : plane.vertices)
plane.vbo.push_geometry(vert, plane.normal);
for (size_t i=1; i<plane.vertices.size()-1; ++i)
plane.vbo.push_triangle(0, i, i+1); // triangle fan
plane.vbo.finalize_geometry(true);
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
// FIXME: vertices should really be local, they need not
// persist now when we use VBOs
plane.vertices.clear();
plane.vertices.shrink_to_fit();
}
m_planes_valid = true;
}
bool GLGizmoFlatten::is_plane_update_necessary() const
{
const ModelObject* mo = m_c->selection_info()->model_object();
if (m_state != On || ! mo || mo->instances.empty())
return false;
if (! m_planes_valid || mo != m_old_model_object
|| mo->volumes.size() != m_volumes_matrices.size())
return true;
// We want to recalculate when the scale changes - some planes could (dis)appear.
if (! mo->instances.front()->get_scaling_factor().isApprox(m_first_instance_scale)
|| ! mo->instances.front()->get_mirror().isApprox(m_first_instance_mirror))
return true;
for (unsigned int i=0; i < mo->volumes.size(); ++i)
if (! mo->volumes[i]->get_matrix().isApprox(m_volumes_matrices[i])
|| mo->volumes[i]->type() != m_volumes_types[i])
return true;
return false;
}
} // namespace GUI
} // namespace Slic3r

1980
src/slic3r/GUI/Gizmos/GLGizmoHollow.cpp
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134
src/slic3r/GUI/Gizmos/GLGizmoMove.cpp
View file

@ -90,32 +90,32 @@ bool GLGizmoMove3D::on_is_activable() const
void GLGizmoMove3D::on_start_dragging()
{
if (m_hover_id != -1) {
m_displacement = Vec3d::Zero();
assert(m_hover_id != -1);
m_displacement = Vec3d::Zero();
#if ENABLE_WORLD_COORDINATE
const Selection& selection = m_parent.get_selection();
const ECoordinatesType coordinates_type = wxGetApp().obj_manipul()->get_coordinates_type();
if (coordinates_type == ECoordinatesType::World)
m_starting_drag_position = m_center + m_grabbers[m_hover_id].center;
else if (coordinates_type == ECoordinatesType::Local && selection.is_single_volume_or_modifier()) {
const GLVolume& v = *selection.get_volume(*selection.get_volume_idxs().begin());
m_starting_drag_position = m_center + Geometry::assemble_transform(Vec3d::Zero(), v.get_instance_rotation()) * Geometry::assemble_transform(Vec3d::Zero(), v.get_volume_rotation()) * m_grabbers[m_hover_id].center;
}
else {
const GLVolume& v = *selection.get_volume(*selection.get_volume_idxs().begin());
m_starting_drag_position = m_center + Geometry::assemble_transform(Vec3d::Zero(), v.get_instance_rotation()) * m_grabbers[m_hover_id].center;
}
m_starting_box_center = m_center;
m_starting_box_bottom_center = m_center;
m_starting_box_bottom_center.z() = m_bounding_box.min.z();
#else
const BoundingBoxf3& box = m_parent.get_selection().get_bounding_box();
m_starting_drag_position = m_grabbers[m_hover_id].center;
m_starting_box_center = box.center();
m_starting_box_bottom_center = box.center();
m_starting_box_bottom_center.z() = box.min.z();
#endif // ENABLE_WORLD_COORDINATE
const Selection& selection = m_parent.get_selection();
const ECoordinatesType coordinates_type = wxGetApp().obj_manipul()->get_coordinates_type();
if (coordinates_type == ECoordinatesType::World)
m_starting_drag_position = m_center + m_grabbers[m_hover_id].center;
else if (coordinates_type == ECoordinatesType::Local && selection.is_single_volume_or_modifier()) {
const GLVolume& v = *selection.get_volume(*selection.get_volume_idxs().begin());
m_starting_drag_position = m_center + Geometry::assemble_transform(Vec3d::Zero(), v.get_instance_rotation()) * Geometry::assemble_transform(Vec3d::Zero(), v.get_volume_rotation()) * m_grabbers[m_hover_id].center;
}
else {
const GLVolume& v = *selection.get_volume(*selection.get_volume_idxs().begin());
m_starting_drag_position = m_center + Geometry::assemble_transform(Vec3d::Zero(), v.get_instance_rotation()) * m_grabbers[m_hover_id].center;
}
m_starting_box_center = m_center;
m_starting_box_bottom_center = m_center;
m_starting_box_bottom_center.z() = m_bounding_box.min.z();
#else
const BoundingBoxf3& box = m_parent.get_selection().get_bounding_box();
m_starting_drag_position = m_grabbers[m_hover_id].center;
m_starting_box_center = box.center();
m_starting_box_bottom_center = box.center();
m_starting_box_bottom_center.z() = box.min.z();
#endif // ENABLE_WORLD_COORDINATE
}
void GLGizmoMove3D::on_stop_dragging()
@ -134,7 +134,11 @@ void GLGizmoMove3D::on_dragging(const UpdateData& data)
m_displacement.z() = calc_projection(data);
Selection &selection = m_parent.get_selection();
#if ENABLE_WORLD_COORDINATE
selection.translate(m_displacement, wxGetApp().obj_manipul()->get_coordinates_type());
#else
selection.translate(m_displacement);
#endif // ENABLE_WORLD_COORDINATE
}
void GLGizmoMove3D::on_render()
@ -148,9 +152,18 @@ void GLGizmoMove3D::on_render()
glsafe(::glEnable(GL_DEPTH_TEST));
#if ENABLE_WORLD_COORDINATE
#if !ENABLE_GL_SHADERS_ATTRIBUTES
glsafe(::glPushMatrix());
#endif // !ENABLE_GL_SHADERS_ATTRIBUTES
calc_selection_box_and_center();
#if ENABLE_GL_SHADERS_ATTRIBUTES
const Transform3d base_matrix = local_transform(m_parent.get_selection());
for (int i = 0; i < 3; ++i) {
m_grabbers[i].matrix = base_matrix;
}
#else
transform_to_local(m_parent.get_selection());
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
const Vec3d zero = Vec3d::Zero();
const Vec3d half_box_size = 0.5 * m_bounding_box.size();
@ -236,7 +249,7 @@ void GLGizmoMove3D::on_render()
#if ENABLE_GL_SHADERS_ATTRIBUTES
const Camera& camera = wxGetApp().plater()->get_camera();
shader->set_uniform("view_model_matrix", camera.get_view_matrix());
shader->set_uniform("view_model_matrix", camera.get_view_matrix() * base_matrix);
shader->set_uniform("projection_matrix", camera.get_projection_matrix());
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
@ -270,8 +283,12 @@ void GLGizmoMove3D::on_render()
#if !ENABLE_GIZMO_GRABBER_REFACTOR
for (unsigned int i = 0; i < 3; ++i) {
if (m_grabbers[i].enabled)
#if ENABLE_GL_SHADERS_ATTRIBUTES
render_grabber_extension((Axis)i, base_matrix, m_bounding_box, false);
#else
render_grabber_extension((Axis)i, m_bounding_box, false);
}
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
}
#endif // !ENABLE_GIZMO_GRABBER_REFACTOR
#else
render_grabbers(box);
@ -292,7 +309,7 @@ void GLGizmoMove3D::on_render()
#if ENABLE_GL_SHADERS_ATTRIBUTES
const Camera& camera = wxGetApp().plater()->get_camera();
shader->set_uniform("view_model_matrix", camera.get_view_matrix());
shader->set_uniform("view_model_matrix", camera.get_view_matrix()* base_matrix);
shader->set_uniform("projection_matrix", camera.get_projection_matrix());
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
@ -329,7 +346,11 @@ void GLGizmoMove3D::on_render()
}
#if !ENABLE_GIZMO_GRABBER_REFACTOR
#if ENABLE_WORLD_COORDINATE
#if ENABLE_GL_SHADERS_ATTRIBUTES
render_grabber_extension((Axis)m_hover_id, base_matrix, m_bounding_box, false);
#else
render_grabber_extension((Axis)m_hover_id, m_bounding_box, false);
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
#else
render_grabber_extension((Axis)m_hover_id, box, false);
#endif // ENABLE_WORLD_COORDINATE
@ -337,7 +358,9 @@ void GLGizmoMove3D::on_render()
}
#if ENABLE_WORLD_COORDINATE
#if !ENABLE_GL_SHADERS_ATTRIBUTES
glsafe(::glPopMatrix());
#endif // !ENABLE_GL_SHADERS_ATTRIBUTES
#endif // ENABLE_WORLD_COORDINATE
}
@ -346,15 +369,30 @@ void GLGizmoMove3D::on_render_for_picking()
glsafe(::glDisable(GL_DEPTH_TEST));
#if ENABLE_WORLD_COORDINATE
#if ENABLE_GL_SHADERS_ATTRIBUTES
const Transform3d base_matrix = local_transform(m_parent.get_selection());
for (int i = 0; i < 3; ++i) {
m_grabbers[i].matrix = base_matrix;
}
#else
glsafe(::glPushMatrix());
transform_to_local(m_parent.get_selection());
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
render_grabbers_for_picking(m_bounding_box);
#if ENABLE_GL_SHADERS_ATTRIBUTES
#if !ENABLE_GIZMO_GRABBER_REFACTOR
render_grabber_extension(X, base_matrix, m_bounding_box, true);
render_grabber_extension(Y, base_matrix, m_bounding_box, true);
render_grabber_extension(Z, base_matrix, m_bounding_box, true);
#endif // !ENABLE_GIZMO_GRABBER_REFACTOR
#else
#if !ENABLE_GIZMO_GRABBER_REFACTOR
render_grabber_extension(X, m_bounding_box, true);
render_grabber_extension(Y, m_bounding_box, true);
render_grabber_extension(Z, m_bounding_box, true);
#endif // !ENABLE_GIZMO_GRABBER_REFACTOR
glsafe(::glPopMatrix());
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
#else
const BoundingBoxf3& box = m_parent.get_selection().get_bounding_box();
render_grabbers_for_picking(box);
@ -393,9 +431,14 @@ double GLGizmoMove3D::calc_projection(const UpdateData& data) const
}
#if !ENABLE_GIZMO_GRABBER_REFACTOR
#if ENABLE_WORLD_COORDINATE && ENABLE_GL_SHADERS_ATTRIBUTES
void GLGizmoMove3D::render_grabber_extension(Axis axis, const Transform3d& base_matrix, const BoundingBoxf3& box, bool picking)
#else
void GLGizmoMove3D::render_grabber_extension(Axis axis, const BoundingBoxf3& box, bool picking)
#endif // ENABLE_WORLD_COORDINATE && ENABLE_GL_SHADERS_ATTRIBUTES
{
const float mean_size = float((box.size().x() + box.size().y() + box.size().z()) / 3.0);
const Vec3d box_size = box.size();
const float mean_size = float((box_size.x() + box_size.y() + box_size.z()) / 3.0);
const double size = m_dragging ? double(m_grabbers[axis].get_dragging_half_size(mean_size)) : double(m_grabbers[axis].get_half_size(mean_size));
#if ENABLE_LEGACY_OPENGL_REMOVAL
@ -420,7 +463,7 @@ void GLGizmoMove3D::render_grabber_extension(Axis axis, const BoundingBoxf3& box
#if ENABLE_GL_SHADERS_ATTRIBUTES
const Camera& camera = wxGetApp().plater()->get_camera();
Transform3d view_model_matrix = camera.get_view_matrix() * Geometry::assemble_transform(m_grabbers[axis].center);
Transform3d view_model_matrix = camera.get_view_matrix() * base_matrix * Geometry::assemble_transform(m_grabbers[axis].center);
if (axis == X)
view_model_matrix = view_model_matrix * Geometry::assemble_transform(Vec3d::Zero(), 0.5 * PI * Vec3d::UnitY());
else if (axis == Y)
@ -454,6 +497,28 @@ void GLGizmoMove3D::render_grabber_extension(Axis axis, const BoundingBoxf3& box
#endif // !ENABLE_GIZMO_GRABBER_REFACTOR
#if ENABLE_WORLD_COORDINATE
#if ENABLE_GL_SHADERS_ATTRIBUTES
Transform3d GLGizmoMove3D::local_transform(const Selection& selection) const
{
Transform3d ret = Geometry::assemble_transform(m_center);
if (!wxGetApp().obj_manipul()->is_world_coordinates()) {
const GLVolume& v = *selection.get_volume(*selection.get_volume_idxs().begin());
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
Transform3d orient_matrix = v.get_instance_transformation().get_rotation_matrix();
#else
Transform3d orient_matrix = v.get_instance_transformation().get_matrix(true, false, true, true);
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
if (selection.is_single_volume_or_modifier() && wxGetApp().obj_manipul()->is_local_coordinates())
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
orient_matrix = orient_matrix * v.get_volume_transformation().get_rotation_matrix();
#else
orient_matrix = orient_matrix * v.get_volume_transformation().get_matrix(true, false, true, true);
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
ret = ret * orient_matrix;
}
return ret;
}
#else
void GLGizmoMove3D::transform_to_local(const Selection& selection) const
{
glsafe(::glTranslated(m_center.x(), m_center.y(), m_center.z()));
@ -466,6 +531,7 @@ void GLGizmoMove3D::transform_to_local(const Selection& selection) const
glsafe(::glMultMatrixd(orient_matrix.data()));
}
}
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
void GLGizmoMove3D::calc_selection_box_and_center()
{
@ -477,7 +543,12 @@ void GLGizmoMove3D::calc_selection_box_and_center()
}
else if (coordinates_type == ECoordinatesType::Local && selection.is_single_volume_or_modifier()) {
const GLVolume& v = *selection.get_volume(*selection.get_volume_idxs().begin());
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
m_bounding_box = v.transformed_convex_hull_bounding_box(
v.get_instance_transformation().get_scaling_factor_matrix() * v.get_volume_transformation().get_scaling_factor_matrix());
#else
m_bounding_box = v.transformed_convex_hull_bounding_box(v.get_instance_transformation().get_matrix(true, true, false, true) * v.get_volume_transformation().get_matrix(true, true, false, true));
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
m_center = v.world_matrix() * m_bounding_box.center();
}
else {
@ -487,8 +558,13 @@ void GLGizmoMove3D::calc_selection_box_and_center()
const GLVolume& v = *selection.get_volume(id);
m_bounding_box.merge(v.transformed_convex_hull_bounding_box(v.get_volume_transformation().get_matrix()));
}
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
m_bounding_box = m_bounding_box.transformed(selection.get_volume(*ids.begin())->get_instance_transformation().get_scaling_factor_matrix());
m_center = selection.get_volume(*ids.begin())->get_instance_transformation().get_matrix_no_scaling_factor() * m_bounding_box.center();
#else
m_bounding_box = m_bounding_box.transformed(selection.get_volume(*ids.begin())->get_instance_transformation().get_matrix(true, true, false, true));
m_center = selection.get_volume(*ids.begin())->get_instance_transformation().get_matrix(false, false, true, false) * m_bounding_box.center();
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
}
}
#endif // ENABLE_WORLD_COORDINATE

4
src/slic3r/GUI/Gizmos/GLGizmoMove.hpp
View file

@ -71,7 +71,11 @@ protected:
private:
double calc_projection(const UpdateData& data) const;
#if ENABLE_WORLD_COORDINATE
#if ENABLE_GL_SHADERS_ATTRIBUTES
Transform3d local_transform(const Selection& selection) const;
#else
void transform_to_local(const Selection& selection) const;
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
void calc_selection_box_and_center();
#endif // ENABLE_WORLD_COORDINATE
#if !ENABLE_GIZMO_GRABBER_REFACTOR

2790
src/slic3r/GUI/Gizmos/GLGizmoPainterBase.cpp
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30
src/slic3r/GUI/Gizmos/GLGizmoRotate.cpp
View file

@ -190,11 +190,7 @@ void GLGizmoRotate::on_render()
glsafe(::glLineWidth((m_hover_id != -1) ? 2.0f : 1.5f));
#if ENABLE_LEGACY_OPENGL_REMOVAL
#if ENABLE_GL_SHADERS_ATTRIBUTES
GLShaderProgram* shader = wxGetApp().get_shader("flat_attr");
#else
GLShaderProgram* shader = wxGetApp().get_shader("flat");
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
if (shader != nullptr) {
shader->start_using();
@ -298,7 +294,12 @@ void GLGizmoRotate::init_data_from_selection(const Selection& selection)
}
else if (coordinates_type == ECoordinatesType::Local && selection.is_single_volume_or_modifier()) {
const GLVolume& v = *selection.get_volume(*selection.get_volume_idxs().begin());
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
m_bounding_box = v.transformed_convex_hull_bounding_box(
v.get_instance_transformation().get_scaling_factor_matrix() * v.get_volume_transformation().get_scaling_factor_matrix());
#else
m_bounding_box = v.transformed_convex_hull_bounding_box(v.get_instance_transformation().get_matrix(true, true, false, true) * v.get_volume_transformation().get_matrix(true, true, false, true));
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
m_center = v.world_matrix() * m_bounding_box.center();
}
else {
@ -308,8 +309,13 @@ void GLGizmoRotate::init_data_from_selection(const Selection& selection)
const GLVolume& v = *selection.get_volume(id);
m_bounding_box.merge(v.transformed_convex_hull_bounding_box(v.get_volume_transformation().get_matrix()));
}
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
m_bounding_box = m_bounding_box.transformed(selection.get_volume(*ids.begin())->get_instance_transformation().get_scaling_factor_matrix());
m_center = selection.get_volume(*ids.begin())->get_instance_transformation().get_matrix_no_scaling_factor() * m_bounding_box.center();
#else
m_bounding_box = m_bounding_box.transformed(selection.get_volume(*ids.begin())->get_instance_transformation().get_matrix(true, true, false, true));
m_center = selection.get_volume(*ids.begin())->get_instance_transformation().get_matrix(false, false, true, false) * m_bounding_box.center();
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
}
m_radius = Offset + m_bounding_box.radius();
@ -322,11 +328,19 @@ void GLGizmoRotate::init_data_from_selection(const Selection& selection)
m_orient_matrix = Transform3d::Identity();
else if (coordinates_type == ECoordinatesType::Local && selection.is_single_volume_or_modifier()) {
const GLVolume& v = *selection.get_volume(*selection.get_volume_idxs().begin());
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
m_orient_matrix = v.get_instance_transformation().get_rotation_matrix() * v.get_volume_transformation().get_rotation_matrix();
#else
m_orient_matrix = v.get_instance_transformation().get_matrix(true, false, true, true) * v.get_volume_transformation().get_matrix(true, false, true, true);
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
}
else {
const GLVolume& v = *selection.get_volume(*selection.get_volume_idxs().begin());
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
m_orient_matrix = v.get_instance_transformation().get_rotation_matrix();
#else
m_orient_matrix = v.get_instance_transformation().get_matrix(true, false, true, true);
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
}
}
#endif // ENABLE_WORLD_COORDINATE
@ -656,11 +670,7 @@ void GLGizmoRotate::render_grabber_extension(const BoundingBoxf3& box, bool pick
const double size = m_dragging ? double(m_grabbers.front().get_dragging_half_size(mean_size)) : double(m_grabbers.front().get_half_size(mean_size));
#if ENABLE_LEGACY_OPENGL_REMOVAL
#if ENABLE_GL_SHADERS_ATTRIBUTES
GLShaderProgram* shader = wxGetApp().get_shader(picking ? "flat_attr" : "gouraud_light_attr");
#else
GLShaderProgram* shader = wxGetApp().get_shader(picking ? "flat" : "gouraud_light");
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
if (shader == nullptr)
return;
@ -739,12 +749,12 @@ Transform3d GLGizmoRotate::local_transform(const Selection& selection) const
{
case X:
{
ret = Geometry::assemble_transform(Vec3d::Zero(), Vec3d(0.0, 0.5 * PI, 0.0)) * Geometry::assemble_transform(Vec3d::Zero(), Vec3d(0.0, 0.0, -0.5 * PI));
ret = Geometry::assemble_transform(Vec3d::Zero(), 0.5 * PI * Vec3d::UnitY()) * Geometry::assemble_transform(Vec3d::Zero(), -0.5 * PI * Vec3d::UnitZ());
break;
}
case Y:
{
ret = Geometry::assemble_transform(Vec3d::Zero(), Vec3d(0.0, 0.0, -0.5 * PI)) * Geometry::assemble_transform(Vec3d::Zero(), Vec3d(0.0, -0.5 * PI, 0.0));
ret = Geometry::assemble_transform(Vec3d::Zero(), -0.5 * PI * Vec3d::UnitZ()) * Geometry::assemble_transform(Vec3d::Zero(), -0.5 * PI * Vec3d::UnitY());
break;
}
default:

63
src/slic3r/GUI/Gizmos/GLGizmoScale.cpp
View file

@ -219,14 +219,24 @@ void GLGizmoScale3D::on_render()
}
#if ENABLE_WORLD_COORDINATE
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
m_bounding_box = m_bounding_box.transformed(selection.get_volume(*idxs.begin())->get_instance_transformation().get_scaling_factor_matrix());
#else
m_bounding_box = m_bounding_box.transformed(selection.get_volume(*idxs.begin())->get_instance_transformation().get_matrix(true, true, false, true));
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
#endif // ENABLE_WORLD_COORDINATE
// gets transform from first selected volume
const GLVolume& v = *selection.get_volume(*idxs.begin());
#if ENABLE_WORLD_COORDINATE
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
const Transform3d inst_trafo = v.get_instance_transformation().get_matrix_no_scaling_factor();
m_grabbers_transform = inst_trafo * Geometry::assemble_transform(m_bounding_box.center());
m_center = inst_trafo * m_bounding_box.center();
#else
m_grabbers_transform = v.get_instance_transformation().get_matrix(false, false, true) * Geometry::assemble_transform(m_bounding_box.center());
m_center = selection.get_volume(*idxs.begin())->get_instance_transformation().get_matrix(false, false, true, false) * m_bounding_box.center();
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
m_instance_center = v.get_instance_offset();
}
else if (selection.is_single_volume_or_modifier() && wxGetApp().obj_manipul()->is_instance_coordinates()) {
@ -243,8 +253,14 @@ void GLGizmoScale3D::on_render()
#endif // ENABLE_WORLD_COORDINATE
const GLVolume& v = *selection.get_volume(*selection.get_volume_idxs().begin());
#if ENABLE_WORLD_COORDINATE
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
m_bounding_box.merge(v.transformed_convex_hull_bounding_box(
v.get_instance_transformation().get_scaling_factor_matrix() * v.get_volume_transformation().get_matrix_no_offset()));
Geometry::Transformation trafo(v.get_instance_transformation().get_rotation_matrix());
#else
m_bounding_box.merge(v.transformed_convex_hull_bounding_box(v.get_instance_transformation().get_matrix(true, true, false, true) * v.get_volume_transformation().get_matrix(true, false, false, true)));
Geometry::Transformation trafo(v.get_instance_transformation().get_matrix(true, false, true, true));
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
trafo.set_offset(v.world_matrix().translation());
m_grabbers_transform = trafo.get_matrix();
m_center = v.world_matrix() * m_bounding_box.center();
@ -252,8 +268,14 @@ void GLGizmoScale3D::on_render()
}
else if (selection.is_single_volume_or_modifier() && wxGetApp().obj_manipul()->is_local_coordinates()) {
const GLVolume& v = *selection.get_volume(*selection.get_volume_idxs().begin());
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
m_bounding_box.merge(v.transformed_convex_hull_bounding_box(
v.get_instance_transformation().get_scaling_factor_matrix() * v.get_volume_transformation().get_scaling_factor_matrix()));
Geometry::Transformation trafo(v.get_instance_transformation().get_rotation_matrix() * v.get_volume_transformation().get_rotation_matrix());
#else
m_bounding_box.merge(v.transformed_convex_hull_bounding_box(v.get_instance_transformation().get_matrix(true, true, false, true) * v.get_volume_transformation().get_matrix(true, true, false, true)));
Geometry::Transformation trafo(v.get_instance_transformation().get_matrix(true, false, true, true) * v.get_volume_transformation().get_matrix(true, false, true, true));
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
trafo.set_offset(v.world_matrix().translation());
m_grabbers_transform = trafo.get_matrix();
m_center = v.world_matrix() * m_bounding_box.center();
@ -352,8 +374,15 @@ void GLGizmoScale3D::on_render()
glsafe(::glLineWidth((m_hover_id != -1) ? 2.0f : 1.5f));
#if ENABLE_WORLD_COORDINATE
#if ENABLE_GL_SHADERS_ATTRIBUTES
const Transform3d base_matrix = local_transform(selection);
for (int i = 0; i < 10; ++i) {
m_grabbers[i].matrix = base_matrix;
}
#else
glsafe(::glPushMatrix());
transform_to_local(selection);
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
float grabber_mean_size = (float)((m_bounding_box.size().x() + m_bounding_box.size().y() + m_bounding_box.size().z()) / 3.0);
#else
@ -557,14 +586,23 @@ void GLGizmoScale3D::on_render_for_picking()
{
glsafe(::glDisable(GL_DEPTH_TEST));
#if ENABLE_WORLD_COORDINATE
#if ENABLE_GL_SHADERS_ATTRIBUTES
const Transform3d base_matrix = local_transform(m_parent.get_selection());
for (int i = 0; i < 10; ++i) {
m_grabbers[i].matrix = base_matrix;
}
#else
glsafe(::glPushMatrix());
transform_to_local(m_parent.get_selection());
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
render_grabbers_for_picking(m_bounding_box);
#if !ENABLE_GL_SHADERS_ATTRIBUTES
glsafe(::glPopMatrix());
#endif // !ENABLE_GL_SHADERS_ATTRIBUTES
#else
render_grabbers_for_picking(m_parent.get_selection().get_bounding_box());
#endif // ENABLE_WORLD_COORDINATE
}
}
#if ENABLE_LEGACY_OPENGL_REMOVAL
void GLGizmoScale3D::render_grabbers_connection(unsigned int id_1, unsigned int id_2, const ColorRGBA& color)
@ -773,6 +811,28 @@ double GLGizmoScale3D::calc_ratio(const UpdateData& data) const
}
#if ENABLE_WORLD_COORDINATE
#if ENABLE_GL_SHADERS_ATTRIBUTES
Transform3d GLGizmoScale3D::local_transform(const Selection& selection) const
{
Transform3d ret = Geometry::assemble_transform(m_center);
if (!wxGetApp().obj_manipul()->is_world_coordinates()) {
const GLVolume& v = *selection.get_volume(*selection.get_volume_idxs().begin());
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
Transform3d orient_matrix = v.get_instance_transformation().get_rotation_matrix();
#else
Transform3d orient_matrix = v.get_instance_transformation().get_matrix(true, false, true, true);
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
if (selection.is_single_volume_or_modifier() && wxGetApp().obj_manipul()->is_local_coordinates())
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
orient_matrix = orient_matrix * v.get_volume_transformation().get_rotation_matrix();
#else
orient_matrix = orient_matrix * v.get_volume_transformation().get_matrix(true, false, true, true);
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
ret = ret * orient_matrix;
}
return ret;
}
#else
void GLGizmoScale3D::transform_to_local(const Selection& selection) const
{
glsafe(::glTranslated(m_center.x(), m_center.y(), m_center.z()));
@ -784,6 +844,7 @@ void GLGizmoScale3D::transform_to_local(const Selection& selection) const
glsafe(::glMultMatrixd(orient_matrix.data()));
}
}
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
#endif // ENABLE_WORLD_COORDINATE
} // namespace GUI

4
src/slic3r/GUI/Gizmos/GLGizmoScale.hpp
View file

@ -107,7 +107,11 @@ private:
double calc_ratio(const UpdateData& data) const;
#if ENABLE_WORLD_COORDINATE
#if ENABLE_GL_SHADERS_ATTRIBUTES
Transform3d local_transform(const Selection& selection) const;
#else
void transform_to_local(const Selection& selection) const;
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
#endif // ENABLE_WORLD_COORDINATE
};

2744
src/slic3r/GUI/Gizmos/GLGizmoSlaSupports.cpp
View file

File diff suppressed because it is too large Load diff

748
src/slic3r/GUI/MeshUtils.cpp
View file

@ -1,370 +1,378 @@
#include "MeshUtils.hpp"
#include "libslic3r/Tesselate.hpp"
#include "libslic3r/TriangleMesh.hpp"
#include "libslic3r/TriangleMeshSlicer.hpp"
#include "libslic3r/ClipperUtils.hpp"
#include "libslic3r/Model.hpp"
#if ENABLE_LEGACY_OPENGL_REMOVAL
#include "slic3r/GUI/GUI_App.hpp"
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
#include "slic3r/GUI/Camera.hpp"
#if ENABLE_GL_SHADERS_ATTRIBUTES
#include "slic3r/GUI/Plater.hpp"
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
#include <GL/glew.h>
#include <igl/unproject.h>
namespace Slic3r {
namespace GUI {
void MeshClipper::set_plane(const ClippingPlane& plane)
{
if (m_plane != plane) {
m_plane = plane;
m_triangles_valid = false;
}
}
void MeshClipper::set_limiting_plane(const ClippingPlane& plane)
{
if (m_limiting_plane != plane) {
m_limiting_plane = plane;
m_triangles_valid = false;
}
}
void MeshClipper::set_mesh(const TriangleMesh& mesh)
{
if (m_mesh != &mesh) {
m_mesh = &mesh;
m_triangles_valid = false;
m_triangles2d.resize(0);
}
}
void MeshClipper::set_negative_mesh(const TriangleMesh& mesh)
{
if (m_negative_mesh != &mesh) {
m_negative_mesh = &mesh;
m_triangles_valid = false;
m_triangles2d.resize(0);
}
}
void MeshClipper::set_transformation(const Geometry::Transformation& trafo)
{
if (! m_trafo.get_matrix().isApprox(trafo.get_matrix())) {
m_trafo = trafo;
m_triangles_valid = false;
m_triangles2d.resize(0);
}
}
#if ENABLE_LEGACY_OPENGL_REMOVAL
void MeshClipper::render_cut(const ColorRGBA& color)
#else
void MeshClipper::render_cut()
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
{
if (! m_triangles_valid)
recalculate_triangles();
#if ENABLE_LEGACY_OPENGL_REMOVAL
if (m_model.vertices_count() == 0 || m_model.indices_count() == 0)
return;
GLShaderProgram* curr_shader = wxGetApp().get_current_shader();
if (curr_shader != nullptr)
curr_shader->stop_using();
GLShaderProgram* shader = wxGetApp().get_shader("flat");
if (shader != nullptr) {
shader->start_using();
#if ENABLE_GL_SHADERS_ATTRIBUTES
const Camera& camera = wxGetApp().plater()->get_camera();
shader->set_uniform("view_model_matrix", camera.get_view_matrix());
shader->set_uniform("projection_matrix", camera.get_projection_matrix());
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
m_model.set_color(color);
m_model.render();
shader->stop_using();
}
if (curr_shader != nullptr)
curr_shader->start_using();
#else
if (m_vertex_array.has_VBOs())
m_vertex_array.render();
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
}
void MeshClipper::recalculate_triangles()
{
const Transform3f& instance_matrix_no_translation_no_scaling = m_trafo.get_matrix(true,false,true).cast<float>();
// Calculate clipping plane normal in mesh coordinates.
const Vec3f up_noscale = instance_matrix_no_translation_no_scaling.inverse() * m_plane.get_normal().cast<float>();
const Vec3d up = up_noscale.cast<double>().cwiseProduct(m_trafo.get_scaling_factor());
// Calculate distance from mesh origin to the clipping plane (in mesh coordinates).
const float height_mesh = m_plane.distance(m_trafo.get_offset()) * (up_noscale.norm()/up.norm());
// Now do the cutting
MeshSlicingParams slicing_params;
slicing_params.trafo.rotate(Eigen::Quaternion<double, Eigen::DontAlign>::FromTwoVectors(up, Vec3d::UnitZ()));
ExPolygons expolys = union_ex(slice_mesh(m_mesh->its, height_mesh, slicing_params));
if (m_negative_mesh && !m_negative_mesh->empty()) {
const ExPolygons neg_expolys = union_ex(slice_mesh(m_negative_mesh->its, height_mesh, slicing_params));
expolys = diff_ex(expolys, neg_expolys);
}
// Triangulate and rotate the cut into world coords:
Eigen::Quaterniond q;
q.setFromTwoVectors(Vec3d::UnitZ(), up);
Transform3d tr = Transform3d::Identity();
tr.rotate(q);
tr = m_trafo.get_matrix() * tr;
if (m_limiting_plane != ClippingPlane::ClipsNothing())
{
// Now remove whatever ended up below the limiting plane (e.g. sinking objects).
// First transform the limiting plane from world to mesh coords.
// Note that inverse of tr transforms the plane from world to horizontal.
const Vec3d normal_old = m_limiting_plane.get_normal().normalized();
const Vec3d normal_new = (tr.matrix().block<3,3>(0,0).transpose() * normal_old).normalized();
// normal_new should now be the plane normal in mesh coords. To find the offset,
// transform a point and set offset so it belongs to the transformed plane.
Vec3d pt = Vec3d::Zero();
const double plane_offset = m_limiting_plane.get_data()[3];
if (std::abs(normal_old.z()) > 0.5) // normal is normalized, at least one of the coords if larger than sqrt(3)/3 = 0.57
pt.z() = - plane_offset / normal_old.z();
else if (std::abs(normal_old.y()) > 0.5)
pt.y() = - plane_offset / normal_old.y();
else
pt.x() = - plane_offset / normal_old.x();
pt = tr.inverse() * pt;
const double offset = -(normal_new.dot(pt));
if (std::abs(normal_old.dot(m_plane.get_normal().normalized())) > 0.99) {
// The cuts are parallel, show all or nothing.
if (normal_old.dot(m_plane.get_normal().normalized()) < 0.0 && offset < height_mesh)
expolys.clear();
} else {
// The cut is a horizontal plane defined by z=height_mesh.
// ax+by+e=0 is the line of intersection with the limiting plane.
// Normalized so a^2 + b^2 = 1.
const double len = std::hypot(normal_new.x(), normal_new.y());
if (len == 0.)
return;
const double a = normal_new.x() / len;
const double b = normal_new.y() / len;
const double e = (normal_new.z() * height_mesh + offset) / len;
// We need a half-plane to limit the cut. Get angle of the intersecting line.
double angle = (b != 0.0) ? std::atan(-a / b) : ((a < 0.0) ? -0.5 * M_PI : 0.5 * M_PI);
if (b > 0) // select correct half-plane
angle += M_PI;
// We'll take a big rectangle above x-axis and rotate and translate
// it so it lies on our line. This will be the figure to subtract
// from the cut. The coordinates must not overflow after the transform,
// make the rectangle a bit smaller.
const coord_t size = (std::numeric_limits<coord_t>::max() - scale_(std::max(std::abs(e*a), std::abs(e*b)))) / 4;
Polygons ep {Polygon({Point(-size, 0), Point(size, 0), Point(size, 2*size), Point(-size, 2*size)})};
ep.front().rotate(angle);
ep.front().translate(scale_(-e * a), scale_(-e * b));
expolys = diff_ex(expolys, ep);
}
}
m_triangles2d = triangulate_expolygons_2f(expolys, m_trafo.get_matrix().matrix().determinant() < 0.);
tr.pretranslate(0.001 * m_plane.get_normal().normalized()); // to avoid z-fighting
#if ENABLE_LEGACY_OPENGL_REMOVAL
m_model.reset();
GLModel::Geometry init_data;
init_data.format = { GLModel::Geometry::EPrimitiveType::Triangles, GLModel::Geometry::EVertexLayout::P3N3 };
init_data.reserve_vertices(m_triangles2d.size());
init_data.reserve_indices(m_triangles2d.size());
// vertices + indices
for (auto it = m_triangles2d.cbegin(); it != m_triangles2d.cend(); it = it + 3) {
init_data.add_vertex((Vec3f)(tr * Vec3d((*(it + 0)).x(), (*(it + 0)).y(), height_mesh)).cast<float>(), (Vec3f)up.cast<float>());
init_data.add_vertex((Vec3f)(tr * Vec3d((*(it + 1)).x(), (*(it + 1)).y(), height_mesh)).cast<float>(), (Vec3f)up.cast<float>());
init_data.add_vertex((Vec3f)(tr * Vec3d((*(it + 2)).x(), (*(it + 2)).y(), height_mesh)).cast<float>(), (Vec3f)up.cast<float>());
const size_t idx = it - m_triangles2d.cbegin();
init_data.add_triangle((unsigned int)idx, (unsigned int)idx + 1, (unsigned int)idx + 2);
}
if (!init_data.is_empty())
m_model.init_from(std::move(init_data));
#else
m_vertex_array.release_geometry();
for (auto it=m_triangles2d.cbegin(); it != m_triangles2d.cend(); it=it+3) {
m_vertex_array.push_geometry(tr * Vec3d((*(it+0))(0), (*(it+0))(1), height_mesh), up);
m_vertex_array.push_geometry(tr * Vec3d((*(it+1))(0), (*(it+1))(1), height_mesh), up);
m_vertex_array.push_geometry(tr * Vec3d((*(it+2))(0), (*(it+2))(1), height_mesh), up);
const size_t idx = it - m_triangles2d.cbegin();
m_vertex_array.push_triangle(idx, idx+1, idx+2);
}
m_vertex_array.finalize_geometry(true);
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
m_triangles_valid = true;
}
Vec3f MeshRaycaster::get_triangle_normal(size_t facet_idx) const
{
return m_normals[facet_idx];
}
void MeshRaycaster::line_from_mouse_pos(const Vec2d& mouse_pos, const Transform3d& trafo, const Camera& camera,
Vec3d& point, Vec3d& direction) const
{
Matrix4d modelview = camera.get_view_matrix().matrix();
Matrix4d projection= camera.get_projection_matrix().matrix();
Vec4i viewport(camera.get_viewport().data());
Vec3d pt1;
Vec3d pt2;
igl::unproject(Vec3d(mouse_pos(0), viewport[3] - mouse_pos(1), 0.),
modelview, projection, viewport, pt1);
igl::unproject(Vec3d(mouse_pos(0), viewport[3] - mouse_pos(1), 1.),
modelview, projection, viewport, pt2);
Transform3d inv = trafo.inverse();
pt1 = inv * pt1;
pt2 = inv * pt2;
point = pt1;
direction = pt2-pt1;
}
bool MeshRaycaster::unproject_on_mesh(const Vec2d& mouse_pos, const Transform3d& trafo, const Camera& camera,
Vec3f& position, Vec3f& normal, const ClippingPlane* clipping_plane,
size_t* facet_idx) const
{
Vec3d point;
Vec3d direction;
line_from_mouse_pos(mouse_pos, trafo, camera, point, direction);
std::vector<sla::IndexedMesh::hit_result> hits = m_emesh.query_ray_hits(point, direction);
if (hits.empty())
return false; // no intersection found
unsigned i = 0;
// Remove points that are obscured or cut by the clipping plane.
// Also, remove anything below the bed (sinking objects).
for (i=0; i<hits.size(); ++i) {
Vec3d transformed_hit = trafo * hits[i].position();
if (transformed_hit.z() >= SINKING_Z_THRESHOLD &&
(! clipping_plane || ! clipping_plane->is_point_clipped(transformed_hit)))
break;
}
if (i==hits.size() || (hits.size()-i) % 2 != 0) {
// All hits are either clipped, or there is an odd number of unclipped
// hits - meaning the nearest must be from inside the mesh.
return false;
}
// Now stuff the points in the provided vector and calculate normals if asked about them:
position = hits[i].position().cast<float>();
normal = hits[i].normal().cast<float>();
if (facet_idx)
*facet_idx = hits[i].face();
return true;
}
std::vector<unsigned> MeshRaycaster::get_unobscured_idxs(const Geometry::Transformation& trafo, const Camera& camera, const std::vector<Vec3f>& points,
const ClippingPlane* clipping_plane) const
{
std::vector<unsigned> out;
const Transform3d& instance_matrix_no_translation_no_scaling = trafo.get_matrix(true,false,true);
Vec3d direction_to_camera = -camera.get_dir_forward();
Vec3d direction_to_camera_mesh = (instance_matrix_no_translation_no_scaling.inverse() * direction_to_camera).normalized().eval();
direction_to_camera_mesh = direction_to_camera_mesh.cwiseProduct(trafo.get_scaling_factor());
const Transform3d inverse_trafo = trafo.get_matrix().inverse();
for (size_t i=0; i<points.size(); ++i) {
const Vec3f& pt = points[i];
if (clipping_plane && clipping_plane->is_point_clipped(pt.cast<double>()))
continue;
bool is_obscured = false;
// Cast a ray in the direction of the camera and look for intersection with the mesh:
std::vector<sla::IndexedMesh::hit_result> hits;
// Offset the start of the ray by EPSILON to account for numerical inaccuracies.
hits = m_emesh.query_ray_hits((inverse_trafo * pt.cast<double>() + direction_to_camera_mesh * EPSILON),
direction_to_camera_mesh);
if (! hits.empty()) {
// If the closest hit facet normal points in the same direction as the ray,
// we are looking through the mesh and should therefore discard the point:
if (hits.front().normal().dot(direction_to_camera_mesh.cast<double>()) > 0)
is_obscured = true;
// Eradicate all hits that the caller wants to ignore
for (unsigned j=0; j<hits.size(); ++j) {
if (clipping_plane && clipping_plane->is_point_clipped(trafo.get_matrix() * hits[j].position())) {
hits.erase(hits.begin()+j);
--j;
}
}
// FIXME: the intersection could in theory be behind the camera, but as of now we only have camera direction.
// Also, the threshold is in mesh coordinates, not in actual dimensions.
if (! hits.empty())
is_obscured = true;
}
if (! is_obscured)
out.push_back(i);
}
return out;
}
Vec3f MeshRaycaster::get_closest_point(const Vec3f& point, Vec3f* normal) const
{
int idx = 0;
Vec3d closest_point;
m_emesh.squared_distance(point.cast<double>(), idx, closest_point);
if (normal)
*normal = m_normals[idx];
return closest_point.cast<float>();
}
int MeshRaycaster::get_closest_facet(const Vec3f &point) const
{
int facet_idx = 0;
Vec3d closest_point;
m_emesh.squared_distance(point.cast<double>(), facet_idx, closest_point);
return facet_idx;
}
} // namespace GUI
} // namespace Slic3r
#include "MeshUtils.hpp"
#include "libslic3r/Tesselate.hpp"
#include "libslic3r/TriangleMesh.hpp"
#include "libslic3r/TriangleMeshSlicer.hpp"
#include "libslic3r/ClipperUtils.hpp"
#include "libslic3r/Model.hpp"
#if ENABLE_LEGACY_OPENGL_REMOVAL
#include "slic3r/GUI/GUI_App.hpp"
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
#include "slic3r/GUI/Camera.hpp"
#if ENABLE_GL_SHADERS_ATTRIBUTES
#include "slic3r/GUI/Plater.hpp"
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
#include <GL/glew.h>
#include <igl/unproject.h>
namespace Slic3r {
namespace GUI {
void MeshClipper::set_plane(const ClippingPlane& plane)
{
if (m_plane != plane) {
m_plane = plane;
m_triangles_valid = false;
}
}
void MeshClipper::set_limiting_plane(const ClippingPlane& plane)
{
if (m_limiting_plane != plane) {
m_limiting_plane = plane;
m_triangles_valid = false;
}
}
void MeshClipper::set_mesh(const TriangleMesh& mesh)
{
if (m_mesh != &mesh) {
m_mesh = &mesh;
m_triangles_valid = false;
m_triangles2d.resize(0);
}
}
void MeshClipper::set_negative_mesh(const TriangleMesh& mesh)
{
if (m_negative_mesh != &mesh) {
m_negative_mesh = &mesh;
m_triangles_valid = false;
m_triangles2d.resize(0);
}
}
void MeshClipper::set_transformation(const Geometry::Transformation& trafo)
{
if (! m_trafo.get_matrix().isApprox(trafo.get_matrix())) {
m_trafo = trafo;
m_triangles_valid = false;
m_triangles2d.resize(0);
}
}
#if ENABLE_LEGACY_OPENGL_REMOVAL
void MeshClipper::render_cut(const ColorRGBA& color)
#else
void MeshClipper::render_cut()
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
{
if (! m_triangles_valid)
recalculate_triangles();
#if ENABLE_LEGACY_OPENGL_REMOVAL
if (m_model.vertices_count() == 0 || m_model.indices_count() == 0)
return;
GLShaderProgram* curr_shader = wxGetApp().get_current_shader();
if (curr_shader != nullptr)
curr_shader->stop_using();
GLShaderProgram* shader = wxGetApp().get_shader("flat");
if (shader != nullptr) {
shader->start_using();
#if ENABLE_GL_SHADERS_ATTRIBUTES
const Camera& camera = wxGetApp().plater()->get_camera();
shader->set_uniform("view_model_matrix", camera.get_view_matrix());
shader->set_uniform("projection_matrix", camera.get_projection_matrix());
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
m_model.set_color(color);
m_model.render();
shader->stop_using();
}
if (curr_shader != nullptr)
curr_shader->start_using();
#else
if (m_vertex_array.has_VBOs())
m_vertex_array.render();
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
}
void MeshClipper::recalculate_triangles()
{
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
const Transform3f instance_matrix_no_translation_no_scaling = m_trafo.get_rotation_matrix().cast<float>();
#else
const Transform3f& instance_matrix_no_translation_no_scaling = m_trafo.get_matrix(true,false,true).cast<float>();
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
// Calculate clipping plane normal in mesh coordinates.
const Vec3f up_noscale = instance_matrix_no_translation_no_scaling.inverse() * m_plane.get_normal().cast<float>();
const Vec3d up = up_noscale.cast<double>().cwiseProduct(m_trafo.get_scaling_factor());
// Calculate distance from mesh origin to the clipping plane (in mesh coordinates).
const float height_mesh = m_plane.distance(m_trafo.get_offset()) * (up_noscale.norm()/up.norm());
// Now do the cutting
MeshSlicingParams slicing_params;
slicing_params.trafo.rotate(Eigen::Quaternion<double, Eigen::DontAlign>::FromTwoVectors(up, Vec3d::UnitZ()));
ExPolygons expolys = union_ex(slice_mesh(m_mesh->its, height_mesh, slicing_params));
if (m_negative_mesh && !m_negative_mesh->empty()) {
const ExPolygons neg_expolys = union_ex(slice_mesh(m_negative_mesh->its, height_mesh, slicing_params));
expolys = diff_ex(expolys, neg_expolys);
}
// Triangulate and rotate the cut into world coords:
Eigen::Quaterniond q;
q.setFromTwoVectors(Vec3d::UnitZ(), up);
Transform3d tr = Transform3d::Identity();
tr.rotate(q);
tr = m_trafo.get_matrix() * tr;
if (m_limiting_plane != ClippingPlane::ClipsNothing())
{
// Now remove whatever ended up below the limiting plane (e.g. sinking objects).
// First transform the limiting plane from world to mesh coords.
// Note that inverse of tr transforms the plane from world to horizontal.
const Vec3d normal_old = m_limiting_plane.get_normal().normalized();
const Vec3d normal_new = (tr.matrix().block<3,3>(0,0).transpose() * normal_old).normalized();
// normal_new should now be the plane normal in mesh coords. To find the offset,
// transform a point and set offset so it belongs to the transformed plane.
Vec3d pt = Vec3d::Zero();
const double plane_offset = m_limiting_plane.get_data()[3];
if (std::abs(normal_old.z()) > 0.5) // normal is normalized, at least one of the coords if larger than sqrt(3)/3 = 0.57
pt.z() = - plane_offset / normal_old.z();
else if (std::abs(normal_old.y()) > 0.5)
pt.y() = - plane_offset / normal_old.y();
else
pt.x() = - plane_offset / normal_old.x();
pt = tr.inverse() * pt;
const double offset = -(normal_new.dot(pt));
if (std::abs(normal_old.dot(m_plane.get_normal().normalized())) > 0.99) {
// The cuts are parallel, show all or nothing.
if (normal_old.dot(m_plane.get_normal().normalized()) < 0.0 && offset < height_mesh)
expolys.clear();
} else {
// The cut is a horizontal plane defined by z=height_mesh.
// ax+by+e=0 is the line of intersection with the limiting plane.
// Normalized so a^2 + b^2 = 1.
const double len = std::hypot(normal_new.x(), normal_new.y());
if (len == 0.)
return;
const double a = normal_new.x() / len;
const double b = normal_new.y() / len;
const double e = (normal_new.z() * height_mesh + offset) / len;
// We need a half-plane to limit the cut. Get angle of the intersecting line.
double angle = (b != 0.0) ? std::atan(-a / b) : ((a < 0.0) ? -0.5 * M_PI : 0.5 * M_PI);
if (b > 0) // select correct half-plane
angle += M_PI;
// We'll take a big rectangle above x-axis and rotate and translate
// it so it lies on our line. This will be the figure to subtract
// from the cut. The coordinates must not overflow after the transform,
// make the rectangle a bit smaller.
const coord_t size = (std::numeric_limits<coord_t>::max() - scale_(std::max(std::abs(e*a), std::abs(e*b)))) / 4;
Polygons ep {Polygon({Point(-size, 0), Point(size, 0), Point(size, 2*size), Point(-size, 2*size)})};
ep.front().rotate(angle);
ep.front().translate(scale_(-e * a), scale_(-e * b));
expolys = diff_ex(expolys, ep);
}
}
m_triangles2d = triangulate_expolygons_2f(expolys, m_trafo.get_matrix().matrix().determinant() < 0.);
tr.pretranslate(0.001 * m_plane.get_normal().normalized()); // to avoid z-fighting
#if ENABLE_LEGACY_OPENGL_REMOVAL
m_model.reset();
GLModel::Geometry init_data;
init_data.format = { GLModel::Geometry::EPrimitiveType::Triangles, GLModel::Geometry::EVertexLayout::P3N3 };
init_data.reserve_vertices(m_triangles2d.size());
init_data.reserve_indices(m_triangles2d.size());
// vertices + indices
for (auto it = m_triangles2d.cbegin(); it != m_triangles2d.cend(); it = it + 3) {
init_data.add_vertex((Vec3f)(tr * Vec3d((*(it + 0)).x(), (*(it + 0)).y(), height_mesh)).cast<float>(), (Vec3f)up.cast<float>());
init_data.add_vertex((Vec3f)(tr * Vec3d((*(it + 1)).x(), (*(it + 1)).y(), height_mesh)).cast<float>(), (Vec3f)up.cast<float>());
init_data.add_vertex((Vec3f)(tr * Vec3d((*(it + 2)).x(), (*(it + 2)).y(), height_mesh)).cast<float>(), (Vec3f)up.cast<float>());
const size_t idx = it - m_triangles2d.cbegin();
init_data.add_triangle((unsigned int)idx, (unsigned int)idx + 1, (unsigned int)idx + 2);
}
if (!init_data.is_empty())
m_model.init_from(std::move(init_data));
#else
m_vertex_array.release_geometry();
for (auto it=m_triangles2d.cbegin(); it != m_triangles2d.cend(); it=it+3) {
m_vertex_array.push_geometry(tr * Vec3d((*(it+0))(0), (*(it+0))(1), height_mesh), up);
m_vertex_array.push_geometry(tr * Vec3d((*(it+1))(0), (*(it+1))(1), height_mesh), up);
m_vertex_array.push_geometry(tr * Vec3d((*(it+2))(0), (*(it+2))(1), height_mesh), up);
const size_t idx = it - m_triangles2d.cbegin();
m_vertex_array.push_triangle(idx, idx+1, idx+2);
}
m_vertex_array.finalize_geometry(true);
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
m_triangles_valid = true;
}
Vec3f MeshRaycaster::get_triangle_normal(size_t facet_idx) const
{
return m_normals[facet_idx];
}
void MeshRaycaster::line_from_mouse_pos(const Vec2d& mouse_pos, const Transform3d& trafo, const Camera& camera,
Vec3d& point, Vec3d& direction) const
{
Matrix4d modelview = camera.get_view_matrix().matrix();
Matrix4d projection= camera.get_projection_matrix().matrix();
Vec4i viewport(camera.get_viewport().data());
Vec3d pt1;
Vec3d pt2;
igl::unproject(Vec3d(mouse_pos(0), viewport[3] - mouse_pos(1), 0.),
modelview, projection, viewport, pt1);
igl::unproject(Vec3d(mouse_pos(0), viewport[3] - mouse_pos(1), 1.),
modelview, projection, viewport, pt2);
Transform3d inv = trafo.inverse();
pt1 = inv * pt1;
pt2 = inv * pt2;
point = pt1;
direction = pt2-pt1;
}
bool MeshRaycaster::unproject_on_mesh(const Vec2d& mouse_pos, const Transform3d& trafo, const Camera& camera,
Vec3f& position, Vec3f& normal, const ClippingPlane* clipping_plane,
size_t* facet_idx) const
{
Vec3d point;
Vec3d direction;
line_from_mouse_pos(mouse_pos, trafo, camera, point, direction);
std::vector<sla::IndexedMesh::hit_result> hits = m_emesh.query_ray_hits(point, direction);
if (hits.empty())
return false; // no intersection found
unsigned i = 0;
// Remove points that are obscured or cut by the clipping plane.
// Also, remove anything below the bed (sinking objects).
for (i=0; i<hits.size(); ++i) {
Vec3d transformed_hit = trafo * hits[i].position();
if (transformed_hit.z() >= SINKING_Z_THRESHOLD &&
(! clipping_plane || ! clipping_plane->is_point_clipped(transformed_hit)))
break;
}
if (i==hits.size() || (hits.size()-i) % 2 != 0) {
// All hits are either clipped, or there is an odd number of unclipped
// hits - meaning the nearest must be from inside the mesh.
return false;
}
// Now stuff the points in the provided vector and calculate normals if asked about them:
position = hits[i].position().cast<float>();
normal = hits[i].normal().cast<float>();
if (facet_idx)
*facet_idx = hits[i].face();
return true;
}
std::vector<unsigned> MeshRaycaster::get_unobscured_idxs(const Geometry::Transformation& trafo, const Camera& camera, const std::vector<Vec3f>& points,
const ClippingPlane* clipping_plane) const
{
std::vector<unsigned> out;
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
const Transform3d instance_matrix_no_translation_no_scaling = trafo.get_rotation_matrix();
#else
const Transform3d& instance_matrix_no_translation_no_scaling = trafo.get_matrix(true,false,true);
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
Vec3d direction_to_camera = -camera.get_dir_forward();
Vec3d direction_to_camera_mesh = (instance_matrix_no_translation_no_scaling.inverse() * direction_to_camera).normalized().eval();
direction_to_camera_mesh = direction_to_camera_mesh.cwiseProduct(trafo.get_scaling_factor());
const Transform3d inverse_trafo = trafo.get_matrix().inverse();
for (size_t i=0; i<points.size(); ++i) {
const Vec3f& pt = points[i];
if (clipping_plane && clipping_plane->is_point_clipped(pt.cast<double>()))
continue;
bool is_obscured = false;
// Cast a ray in the direction of the camera and look for intersection with the mesh:
std::vector<sla::IndexedMesh::hit_result> hits;
// Offset the start of the ray by EPSILON to account for numerical inaccuracies.
hits = m_emesh.query_ray_hits((inverse_trafo * pt.cast<double>() + direction_to_camera_mesh * EPSILON),
direction_to_camera_mesh);
if (! hits.empty()) {
// If the closest hit facet normal points in the same direction as the ray,
// we are looking through the mesh and should therefore discard the point:
if (hits.front().normal().dot(direction_to_camera_mesh.cast<double>()) > 0)
is_obscured = true;
// Eradicate all hits that the caller wants to ignore
for (unsigned j=0; j<hits.size(); ++j) {
if (clipping_plane && clipping_plane->is_point_clipped(trafo.get_matrix() * hits[j].position())) {
hits.erase(hits.begin()+j);
--j;
}
}
// FIXME: the intersection could in theory be behind the camera, but as of now we only have camera direction.
// Also, the threshold is in mesh coordinates, not in actual dimensions.
if (! hits.empty())
is_obscured = true;
}
if (! is_obscured)
out.push_back(i);
}
return out;
}
Vec3f MeshRaycaster::get_closest_point(const Vec3f& point, Vec3f* normal) const
{
int idx = 0;
Vec3d closest_point;
m_emesh.squared_distance(point.cast<double>(), idx, closest_point);
if (normal)
*normal = m_normals[idx];
return closest_point.cast<float>();
}
int MeshRaycaster::get_closest_facet(const Vec3f &point) const
{
int facet_idx = 0;
Vec3d closest_point;
m_emesh.squared_distance(point.cast<double>(), facet_idx, closest_point);
return facet_idx;
}
} // namespace GUI
} // namespace Slic3r

10
src/slic3r/GUI/Plater.cpp
View file

@ -3492,7 +3492,11 @@ bool Plater::priv::replace_volume_with_stl(int object_idx, int volume_idx, const
new_volume->set_type(old_volume->type());
new_volume->set_material_id(old_volume->material_id());
new_volume->set_transformation(old_volume->get_transformation());
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
new_volume->translate(new_volume->get_transformation().get_matrix_no_offset() * (new_volume->source.mesh_offset - old_volume->source.mesh_offset));
#else
new_volume->translate(new_volume->get_transformation().get_matrix(true) * (new_volume->source.mesh_offset - old_volume->source.mesh_offset));
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
assert(!old_volume->source.is_converted_from_inches || !old_volume->source.is_converted_from_meters);
if (old_volume->source.is_converted_from_inches)
new_volume->convert_from_imperial_units();
@ -3847,10 +3851,16 @@ void Plater::priv::reload_from_disk()
new_volume->config.apply(old_volume->config);
new_volume->set_type(old_volume->type());
new_volume->set_material_id(old_volume->material_id());
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
new_volume->set_transformation(Geometry::assemble_transform(old_volume->source.transform.get_offset()) *
old_volume->get_transformation().get_matrix_no_offset() * old_volume->source.transform.get_matrix_no_offset());
new_volume->translate(new_volume->get_transformation().get_matrix_no_offset() * (new_volume->source.mesh_offset - old_volume->source.mesh_offset));
#else
new_volume->set_transformation(Geometry::assemble_transform(old_volume->source.transform.get_offset()) *
old_volume->get_transformation().get_matrix(true) *
old_volume->source.transform.get_matrix(true));
new_volume->translate(new_volume->get_transformation().get_matrix(true) * (new_volume->source.mesh_offset - old_volume->source.mesh_offset));
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
new_volume->source.object_idx = old_volume->source.object_idx;
new_volume->source.volume_idx = old_volume->source.volume_idx;
assert(!old_volume->source.is_converted_from_inches || !old_volume->source.is_converted_from_meters);

48
src/slic3r/GUI/Selection.cpp
View file

@ -723,7 +723,11 @@ const BoundingBoxf3& Selection::get_unscaled_instance_bounding_box() const
const GLVolume& volume = *(*m_volumes)[i];
if (volume.is_modifier)
continue;
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
Transform3d trafo = volume.get_instance_transformation().get_matrix_no_scaling_factor() * volume.get_volume_transformation().get_matrix();
#else
Transform3d trafo = volume.get_instance_transformation().get_matrix(false, false, true, false) * volume.get_volume_transformation().get_matrix();
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
trafo.translation().z() += volume.get_sla_shift_z();
(*bbox)->merge(volume.transformed_convex_hull_bounding_box(trafo));
}
@ -1486,8 +1490,14 @@ void Selection::render(float scale_factor)
}
else if (coordinates_type == ECoordinatesType::Local && is_single_volume_or_modifier()) {
const GLVolume& v = *get_volume(*get_volume_idxs().begin());
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
box = v.transformed_convex_hull_bounding_box(
v.get_instance_transformation().get_scaling_factor_matrix() * v.get_volume_transformation().get_scaling_factor_matrix());
trafo = v.get_instance_transformation().get_matrix_no_scaling_factor() * v.get_volume_transformation().get_matrix_no_scaling_factor();
#else
box = v.transformed_convex_hull_bounding_box(v.get_instance_transformation().get_matrix(true, true, false, true) * v.get_volume_transformation().get_matrix(true, true, false, true));
trafo = v.get_instance_transformation().get_matrix(false, false, true, false) * v.get_volume_transformation().get_matrix(false, false, true, false);
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
}
else {
const Selection::IndicesList& ids = get_volume_idxs();
@ -1495,8 +1505,13 @@ void Selection::render(float scale_factor)
const GLVolume& v = *get_volume(id);
box.merge(v.transformed_convex_hull_bounding_box(v.get_volume_transformation().get_matrix()));
}
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
box = box.transformed(get_volume(*ids.begin())->get_instance_transformation().get_scaling_factor_matrix());
trafo = get_volume(*ids.begin())->get_instance_transformation().get_matrix_no_scaling_factor();
#else
box = box.transformed(get_volume(*ids.begin())->get_instance_transformation().get_matrix(true, true, false, true));
trafo = get_volume(*ids.begin())->get_instance_transformation().get_matrix(false, false, true, false);
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
}
render_bounding_box(box, trafo, ColorRGB::WHITE());
@ -1516,11 +1531,7 @@ void Selection::render_center(bool gizmo_is_dragging)
return;
#if ENABLE_LEGACY_OPENGL_REMOVAL
#if ENABLE_GL_SHADERS_ATTRIBUTES
GLShaderProgram* shader = wxGetApp().get_shader("flat_attr");
#else
GLShaderProgram* shader = wxGetApp().get_shader("flat");
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
if (shader == nullptr)
return;
@ -1565,11 +1576,7 @@ void Selection::render_sidebar_hints(const std::string& sidebar_field)
return;
#if ENABLE_LEGACY_OPENGL_REMOVAL
#if ENABLE_GL_SHADERS_ATTRIBUTES
GLShaderProgram* shader = wxGetApp().get_shader(boost::starts_with(sidebar_field, "layer") ? "flat_attr" : "gouraud_light_attr");
#else
GLShaderProgram* shader = wxGetApp().get_shader(boost::starts_with(sidebar_field, "layer") ? "flat" : "gouraud_light");
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
if (shader == nullptr)
return;
@ -1622,7 +1629,11 @@ void Selection::render_sidebar_hints(const std::string& sidebar_field)
#if !ENABLE_GL_SHADERS_ATTRIBUTES && !ENABLE_WORLD_COORDINATE_SHOW_AXES
Transform3d orient_matrix = Transform3d::Identity();
#endif // !ENABLE_GL_SHADERS_ATTRIBUTES && !ENABLE_WORLD_COORDINATE_SHOW_AXES
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
orient_matrix = (*m_volumes)[*m_list.begin()]->get_instance_transformation().get_rotation_matrix();
#else
orient_matrix = (*m_volumes)[*m_list.begin()]->get_instance_transformation().get_matrix(true, false, true, true);
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
#if ENABLE_WORLD_COORDINATE_SHOW_AXES
axes_center = (*m_volumes)[*m_list.begin()]->get_instance_offset();
#else
@ -1667,13 +1678,21 @@ void Selection::render_sidebar_hints(const std::string& sidebar_field)
#endif // !ENABLE_GL_SHADERS_ATTRIBUTES && !ENABLE_WORLD_COORDINATE_SHOW_AXES
if (wxGetApp().obj_manipul()->is_local_coordinates()) {
const GLVolume* v = (*m_volumes)[*m_list.begin()];
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
orient_matrix = v->get_instance_transformation().get_rotation_matrix() * v->get_volume_transformation().get_rotation_matrix();
#else
orient_matrix = v->get_instance_transformation().get_matrix(true, false, true, true) * v->get_volume_transformation().get_matrix(true, false, true, true);
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
#if ENABLE_WORLD_COORDINATE_SHOW_AXES
axes_center = (*m_volumes)[*m_list.begin()]->world_matrix().translation();
#endif // ENABLE_WORLD_COORDINATE_SHOW_AXES
}
else {
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
orient_matrix = (*m_volumes)[*m_list.begin()]->get_instance_transformation().get_rotation_matrix();
#else
orient_matrix = (*m_volumes)[*m_list.begin()]->get_instance_transformation().get_matrix(true, false, true, true);
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
#if ENABLE_WORLD_COORDINATE_SHOW_AXES
axes_center = (*m_volumes)[*m_list.begin()]->get_instance_offset();
}
@ -1700,7 +1719,11 @@ void Selection::render_sidebar_hints(const std::string& sidebar_field)
else {
#if ENABLE_GL_SHADERS_ATTRIBUTES || ENABLE_WORLD_COORDINATE_SHOW_AXES
if (requires_local_axes())
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
orient_matrix = (*m_volumes)[*m_list.begin()]->get_instance_transformation().get_rotation_matrix();
#else
orient_matrix = (*m_volumes)[*m_list.begin()]->get_instance_transformation().get_matrix(true, false, true, true);
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
#else
glsafe(::glTranslated(center.x(), center.y(), center.z()));
if (requires_local_axes()) {
@ -2357,11 +2380,7 @@ void Selection::render_bounding_box(const BoundingBoxf3 & box, float* color) con
glsafe(::glLineWidth(2.0f * m_scale_factor));
#if ENABLE_GL_SHADERS_ATTRIBUTES
GLShaderProgram* shader = wxGetApp().get_shader("flat_attr");
#else
GLShaderProgram* shader = wxGetApp().get_shader("flat");
#endif // ENABLE_GL_SHADERS_ATTRIBUTES
if (shader == nullptr)
return;
@ -3061,8 +3080,13 @@ void Selection::paste_volumes_from_clipboard()
{
ModelInstance* dst_instance = dst_object->instances[dst_inst_idx];
BoundingBoxf3 dst_instance_bb = dst_object->instance_bounding_box(dst_inst_idx);
#if ENABLE_TRANSFORMATIONS_BY_MATRICES
Transform3d src_matrix = src_object->instances[0]->get_transformation().get_matrix_no_offset();
Transform3d dst_matrix = dst_instance->get_transformation().get_matrix_no_offset();
#else
Transform3d src_matrix = src_object->instances[0]->get_transformation().get_matrix(true);
Transform3d dst_matrix = dst_instance->get_transformation().get_matrix(true);
#endif // ENABLE_TRANSFORMATIONS_BY_MATRICES
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