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Sla support points are saved in ModelObject

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Lukas Matena
2018-09-24 13:39:44 +02:00
parent b96831529f
commit 9b5c7aadad
4 changed files with 110 additions and 30 deletions
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111
xs/src/slic3r/GUI/GLGizmo.cpp
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@@ -1648,7 +1648,7 @@ void GLGizmoSlaSupports::render_grabbers(bool picking) const
::glEnable(GL_LIGHTING);
::glColor3f((GLfloat)render_color[0], (GLfloat)render_color[1], (GLfloat)render_color[2]);
::glPushMatrix();
const Vec3d& center = m_grabbers[i].center;
Vec3d center = m_model_object->instances.front()->world_matrix() * m_grabbers[i].center;
::glTranslatef((GLfloat)center(0), (GLfloat)center(1), (GLfloat)center(2));
GLUquadricObj *quadric;
quadric = ::gluNewQuadric();
@@ -1661,33 +1661,87 @@ void GLGizmoSlaSupports::render_grabbers(bool picking) const
}
}
bool GLGizmoSlaSupports::is_mesh_update_necessary() const
{
if (m_state != On || !m_model_object || m_model_object->instances.empty())
return false;
#if ENABLE_MODELINSTANCE_3D_ROTATION
if (m_model_object->volumes.size() != m_source_data.bounding_boxes.size()
|| (m_model_object->instances.front()->world_matrix() * m_source_data.matrix.inverse() * Vec3d(1., 1., 1.) - Vec3d(1., 1., 1.)).norm() > 0.001 )
#else
if (m_model_object->volumes.size() != m_source_data.bounding_boxes.size()
|| m_model_object->instances.front()->scaling_factor != m_source_data.scaling_factor
|| m_model_object->instances.front()->rotation != m_source_data.rotation)
#endif // ENABLE_MODELINSTANCE_3D_ROTATION
return true;
// now compare the bounding boxes:
for (unsigned int i=0; i<m_model_object->volumes.size(); ++i)
if (m_model_object->volumes[i]->get_convex_hull().bounding_box() != m_source_data.bounding_boxes[i])
return true;
// following should detect direct mesh changes (can be removed after the mesh is made completely immutable):
const float* first_vertex = m_model_object->volumes.front()->get_convex_hull().first_vertex();
Vec3d first_point((double)first_vertex[0], (double)first_vertex[1], (double)first_vertex[2]);
if (first_point != m_source_data.mesh_first_point)
return true;
return false;
}
void GLGizmoSlaSupports::update_mesh()
{
Eigen::MatrixXf& V = m_V;
Eigen::MatrixXi& F = m_F;
TriangleMesh combined_mesh;
for (const ModelVolume* vol : m_model_object->volumes)
combined_mesh.merge(vol->mesh);
//combined_mesh.scale(m_model_object->instances.front()->scaling_factor);
//combined_mesh.rotate_z(m_model_object->instances.front()->rotation);
//const stl_file& stl = combined_mesh.stl;
const stl_file& stl = m_model_object->mesh().stl;
V.resize(3*stl.stats.number_of_facets, 3);
F.resize(stl.stats.number_of_facets, 3);
for (unsigned int i=0; i<stl.stats.number_of_facets; ++i) {
const stl_facet* facet = stl.facet_start+i;
V(3*i+0, 0) = facet->vertex[0](0); V(3*i+0, 1) = facet->vertex[0](1); V(3*i+0, 2) = facet->vertex[0](2);
V(3*i+1, 0) = facet->vertex[1](0); V(3*i+1, 1) = facet->vertex[1](1); V(3*i+1, 2) = facet->vertex[1](2);
V(3*i+2, 0) = facet->vertex[2](0); V(3*i+2, 1) = facet->vertex[2](1); V(3*i+2, 2) = facet->vertex[2](2);
F(i, 0) = 3*i+0;
F(i, 1) = 3*i+1;
F(i, 2) = 3*i+2;
}
// now we must save what we calculated the mesh from, so we can tell when to recalculate:
m_source_data.bounding_boxes.clear();
for (const auto& vol : m_model_object->volumes)
m_source_data.bounding_boxes.push_back(vol->get_convex_hull().bounding_box());
#if !ENABLE_MODELINSTANCE_3D_ROTATION
m_source_data.scaling_factor = m_model_object->instances.front()->scaling_factor;
m_source_data.rotation = m_model_object->instances.front()->rotation;
#else
m_source_data.matrix = m_model_object->instances.front()->world_matrix();
#endif // !ENABLE_MODELINSTANCE_3D_ROTATION
const float* first_vertex = m_model_object->volumes.front()->get_convex_hull().first_vertex();
m_source_data.mesh_first_point = Vec3d((double)first_vertex[0], (double)first_vertex[1], (double)first_vertex[2]);
// we'll now reload Grabbers (selection might have changed):
m_grabbers.clear();
for (const Vec3f& point : m_model_object->sla_support_points) {
m_grabbers.push_back(Grabber());
m_grabbers.back().center = point.cast<double>();
}
}
Vec3f GLGizmoSlaSupports::unproject_on_mesh(const Vec2d& mouse_pos)
{
// if the gizmo doesn't have the V, F structures for igl, calculate them first:
if (m_V.size() == 0) {
Eigen::MatrixXf& V = m_V;
Eigen::MatrixXi& F = m_F;
TriangleMesh combined_mesh;
for (const ModelVolume* vol : m_model_object->volumes)
combined_mesh.merge(vol->mesh);
//combined_mesh.scale(m_model_object->instances.front()->scaling_factor);
//combined_mesh.rotate_z(m_model_object->instances.front()->rotation);
//const stl_file& stl = combined_mesh.stl;
const stl_file& stl = m_model_object->mesh().stl;
V.resize(3*stl.stats.number_of_facets, 3);
F.resize(stl.stats.number_of_facets, 3);
for (unsigned int i=0; i<stl.stats.number_of_facets; ++i) {
const stl_facet* facet = stl.facet_start+i;
V(3*i+0, 0) = facet->vertex[0](0); V(3*i+0, 1) = facet->vertex[0](1); V(3*i+0, 2) = facet->vertex[0](2);
V(3*i+1, 0) = facet->vertex[1](0); V(3*i+1, 1) = facet->vertex[1](1); V(3*i+1, 2) = facet->vertex[1](2);
V(3*i+2, 0) = facet->vertex[2](0); V(3*i+2, 1) = facet->vertex[2](1); V(3*i+2, 2) = facet->vertex[2](2);
F(i, 0) = 3*i+0;
F(i, 1) = 3*i+1;
F(i, 2) = 3*i+2;
}
}
if (m_V.size() == 0 || is_mesh_update_necessary())
update_mesh();
Eigen::Matrix<GLint, 4, 1, Eigen::DontAlign> viewport;
::glGetIntegerv(GL_VIEWPORT, viewport.data());
@@ -1712,7 +1766,8 @@ Vec3f GLGizmoSlaSupports::unproject_on_mesh(const Vec2d& mouse_pos)
const Vec3f& a = m_V.row(m_F(fid, 0));
const Vec3f& b = m_V.row(m_F(fid, 1));
const Vec3f& c = m_V.row(m_F(fid, 2));
return bc(0)*a + bc(1)*b + bc(2)*c;
Vec3f point = bc(0)*a + bc(1)*b + bc(2)*c;
return m_model_object->instances.front()->world_matrix().inverse().cast<float>() * point;
}
void GLGizmoSlaSupports::clicked_on_object(const Vec2d& mouse_position)
@@ -1722,6 +1777,7 @@ void GLGizmoSlaSupports::clicked_on_object(const Vec2d& mouse_position)
new_pos = unproject_on_mesh(mouse_position); // this can throw - we don't want to create a new grabber in that case
m_grabbers.push_back(Grabber());
m_grabbers.back().center = new_pos.cast<double>();
m_model_object->sla_support_points.push_back(new_pos);
}
catch (...) {}
}
@@ -1730,10 +1786,12 @@ void GLGizmoSlaSupports::delete_current_grabber(bool delete_all)
{
if (delete_all) {
m_grabbers.clear();
m_model_object->sla_support_points.clear();
}
else
if (m_hover_id != -1) {
m_grabbers.erase(m_grabbers.begin() + m_hover_id);
m_model_object->sla_support_points.erase(m_model_object->sla_support_points.begin() + m_hover_id);
m_hover_id = -1;
}
}
@@ -1745,6 +1803,7 @@ void GLGizmoSlaSupports::on_update(const Linef3& mouse_ray, const Point* mouse_p
try {
new_pos = unproject_on_mesh(Vec2d((*mouse_pos)(0), (*mouse_pos)(1)));
m_grabbers[m_hover_id].center = new_pos.cast<double>();
m_model_object->sla_support_points[m_hover_id] = new_pos;
}
catch (...) {}
}