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Tech ENABLE_SINKING_CONTOURS -> 1st installment

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enricoturri1966 2021-07-21 15:30:57 +02:00
parent be9114c6c8
commit 22f04ca46e
7 changed files with 286 additions and 27 deletions
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200
src/slic3r/GUI/3DScene.cpp
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@ -9,9 +9,9 @@
#include "3DScene.hpp"
#include "GLShader.hpp"
#include "GUI_App.hpp"
#if ENABLE_ENVIRONMENT_MAP
#if ENABLE_ENVIRONMENT_MAP || ENABLE_SINKING_CONTOURS
#include "Plater.hpp"
#endif // ENABLE_ENVIRONMENT_MAP
#endif // ENABLE_ENVIRONMENT_MAP || ENABLE_SINKING_CONTOURS
#include "libslic3r/ExtrusionEntity.hpp"
#include "libslic3r/ExtrusionEntityCollection.hpp"
@ -286,6 +286,117 @@ void GLIndexedVertexArray::render(
glsafe(::glBindBuffer(GL_ARRAY_BUFFER, 0));
}
#if ENABLE_SINKING_CONTOURS
#define ALG_SLICE_MESH 1
#define ALG_SLICE_MESHEX 2
#define ALG_SLICE ALG_SLICE_MESH
void GLVolume::SinkingContours::update()
{
if (m_parent.is_sinking() && !m_parent.is_below_printbed()) {
const BoundingBoxf3& box = m_parent.transformed_convex_hull_bounding_box();
if (!m_old_box.size().isApprox(box.size()) || m_old_box.min.z() != box.min.z()) {
m_old_box = box;
m_shift = Vec3d::Zero();
const TriangleMesh& mesh = GUI::wxGetApp().plater()->model().objects[m_parent.object_idx()]->volumes[m_parent.volume_idx()]->mesh();
assert(mesh.has_shared_vertices());
#if ALG_SLICE == ALG_SLICE_MESH
MeshSlicingParams slicing_params;
slicing_params.trafo = m_parent.world_matrix();
std::vector<Polygons> list_of_polys = slice_mesh(mesh.its, std::vector<float>{ 0.0f }, slicing_params);
auto append_polygon = [this](const Polygon& polygon, GUI::GLModel::InitializationData& data) {
if (!polygon.empty()) {
GUI::GLModel::InitializationData::Entity entity;
entity.type = GUI::GLModel::PrimitiveType::LineLoop;
entity.color[0] = 1.0f - m_parent.render_color[0];
entity.color[1] = 1.0f - m_parent.render_color[1];
entity.color[2] = 1.0f - m_parent.render_color[2];
entity.color[3] = m_parent.render_color[3];
// contour
entity.positions.reserve(polygon.size() + 1);
entity.indices.reserve(polygon.size() + 1);
unsigned int id = 0;
for (const Point& p : polygon) {
entity.positions.emplace_back(unscale(p.x(), p.y(), 0.0).cast<float>());
entity.indices.emplace_back(id++);
}
data.entities.emplace_back(entity);
}
};
m_model.reset();
GUI::GLModel::InitializationData init_data;
for (const Polygons& polygons : list_of_polys) {
for (const Polygon& polygon : polygons) {
// contour
append_polygon(polygon, init_data);
}
}
#else
MeshSlicingParamsEx slicing_params;
slicing_params.trafo = m_parent.world_matrix();
std::vector<ExPolygons> list_of_expolys = slice_mesh_ex(mesh.its, std::vector<float>{ 0.0f }, slicing_params);
auto append_polygon = [this](const Polygon& polygon, GUI::GLModel::InitializationData& data) {
if (!polygon.empty()) {
GUI::GLModel::InitializationData::Entity entity;
entity.type = GUI::GLModel::PrimitiveType::LineLoop;
entity.color[0] = 1.0f - m_parent.render_color[0];
entity.color[1] = 1.0f - m_parent.render_color[1];
entity.color[2] = 1.0f - m_parent.render_color[2];
entity.color[3] = m_parent.render_color[3];
// contour
entity.positions.reserve(polygon.size() + 1);
entity.indices.reserve(polygon.size() + 1);
unsigned int id = 0;
for (const Point& p : polygon) {
entity.positions.emplace_back(unscale(p.x(), p.y(), 0.0).cast<float>());
entity.indices.emplace_back(id++);
}
data.entities.emplace_back(entity);
}
};
m_model.reset();
GUI::GLModel::InitializationData init_data;
for (const ExPolygons& polygons : list_of_expolys) {
for (const ExPolygon& polygon : polygons) {
// contour
append_polygon(polygon.contour, init_data);
// holes
for (const Polygon& hole : polygon.holes) {
append_polygon(hole, init_data);
}
}
}
#endif // ALG_SLICE == ALG_SLICE_MESH
if (!init_data.entities.empty())
m_model.init_from(init_data);
}
else
m_shift = box.center() - m_old_box.center();
}
else
m_model.reset();
}
void GLVolume::SinkingContours::set_color(const std::array<float, 4>& color)
{
m_model.set_color(-1, { 1.0f - color[0], 1.0f - color[1], 1.0f - color[2], color[3] });
}
void GLVolume::SinkingContours::render() const
{
glsafe(::glPushMatrix());
glsafe(::glTranslated(m_shift.x(), m_shift.y(), m_shift.z()));
m_model.render();
glsafe(::glPopMatrix());
}
#endif // ENABLE_SINKING_CONTOURS
const std::array<float, 4> GLVolume::SELECTED_COLOR = { 0.0f, 1.0f, 0.0f, 1.0f };
const std::array<float, 4> GLVolume::HOVER_SELECT_COLOR = { 0.4f, 0.9f, 0.1f, 1.0f };
const std::array<float, 4> GLVolume::HOVER_DESELECT_COLOR = { 1.0f, 0.75f, 0.75f, 1.0f };
@ -306,6 +417,9 @@ GLVolume::GLVolume(float r, float g, float b, float a)
: m_transformed_bounding_box_dirty(true)
, m_sla_shift_z(0.0)
, m_transformed_convex_hull_bounding_box_dirty(true)
#if ENABLE_SINKING_CONTOURS
, m_sinking_contours(*this)
#endif // ENABLE_SINKING_CONTOURS
// geometry_id == 0 -> invalid
, geometry_id(std::pair<size_t, size_t>(0, 0))
, extruder_id(0)
@ -537,6 +651,23 @@ bool GLVolume::is_below_printbed() const
{
return transformed_convex_hull_bounding_box().max(2) < 0.0;
}
#if ENABLE_SINKING_CONTOURS
void GLVolume::update_sinking_contours()
{
m_sinking_contours.update();
}
void GLVolume::update_sinking_contours_color()
{
m_sinking_contours.set_color(render_color);
}
void GLVolume::render_sinking_contours()
{
m_sinking_contours.render();
}
#endif // ENABLE_SINKING_CONTOURS
#endif // ENABLE_ALLOW_NEGATIVE_Z
std::vector<int> GLVolumeCollection::load_object(
@ -774,6 +905,70 @@ void GLVolumeCollection::render(GLVolumeCollection::ERenderType type, bool disab
if (disable_cullface)
glsafe(::glDisable(GL_CULL_FACE));
#if ENABLE_SINKING_CONTOURS
GLVolumeWithIdAndZList to_render = volumes_to_render(volumes, type, view_matrix, filter_func);
for (GLVolumeWithIdAndZ& volume : to_render) {
volume.first->set_render_color();
// render sinking contours of non-hovered volumes
if (volume.first->is_sinking() && !volume.first->is_below_printbed() && volume.first->hover == GLVolume::HS_None) {
shader->stop_using();
glsafe(::glLineWidth(5.0f));
volume.first->update_sinking_contours_color();
volume.first->render_sinking_contours();
shader->start_using();
}
glsafe(::glEnableClientState(GL_VERTEX_ARRAY));
glsafe(::glEnableClientState(GL_NORMAL_ARRAY));
shader->set_uniform("uniform_color", volume.first->render_color);
shader->set_uniform("z_range", m_z_range, 2);
shader->set_uniform("clipping_plane", m_clipping_plane, 4);
shader->set_uniform("print_box.min", m_print_box_min, 3);
shader->set_uniform("print_box.max", m_print_box_max, 3);
shader->set_uniform("print_box.actived", volume.first->shader_outside_printer_detection_enabled);
shader->set_uniform("print_box.volume_world_matrix", volume.first->world_matrix());
shader->set_uniform("slope.actived", m_slope.active && !volume.first->is_modifier && !volume.first->is_wipe_tower);
shader->set_uniform("slope.volume_world_normal_matrix", static_cast<Matrix3f>(volume.first->world_matrix().matrix().block(0, 0, 3, 3).inverse().transpose().cast<float>()));
shader->set_uniform("slope.normal_z", m_slope.normal_z);
#if ENABLE_ENVIRONMENT_MAP
unsigned int environment_texture_id = GUI::wxGetApp().plater()->get_environment_texture_id();
bool use_environment_texture = environment_texture_id > 0 && GUI::wxGetApp().app_config->get("use_environment_map") == "1";
shader->set_uniform("use_environment_tex", use_environment_texture);
if (use_environment_texture)
glsafe(::glBindTexture(GL_TEXTURE_2D, environment_texture_id));
#endif // ENABLE_ENVIRONMENT_MAP
glcheck();
volume.first->render();
#if ENABLE_ENVIRONMENT_MAP
if (use_environment_texture)
glsafe(::glBindTexture(GL_TEXTURE_2D, 0));
#endif // ENABLE_ENVIRONMENT_MAP
glsafe(::glBindBuffer(GL_ARRAY_BUFFER, 0));
glsafe(::glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0));
glsafe(::glDisableClientState(GL_VERTEX_ARRAY));
glsafe(::glDisableClientState(GL_NORMAL_ARRAY));
}
for (GLVolumeWithIdAndZ& volume : to_render) {
// render sinking contours of hovered volumes
if (volume.first->is_sinking() && !volume.first->is_below_printbed() && volume.first->hover != GLVolume::HS_None) {
shader->stop_using();
glsafe(::glLineWidth(5.0f));
glsafe(::glDisable(GL_DEPTH_TEST));
volume.first->update_sinking_contours_color();
volume.first->render_sinking_contours();
glsafe(::glEnable(GL_DEPTH_TEST));
shader->start_using();
}
}
#else
glsafe(::glEnableClientState(GL_VERTEX_ARRAY));
glsafe(::glEnableClientState(GL_NORMAL_ARRAY));
@ -813,6 +1008,7 @@ void GLVolumeCollection::render(GLVolumeCollection::ERenderType type, bool disab
glsafe(::glDisableClientState(GL_VERTEX_ARRAY));
glsafe(::glDisableClientState(GL_NORMAL_ARRAY));
#endif // ENABLE_SINKING_CONTOURS
if (disable_cullface)
glsafe(::glEnable(GL_CULL_FACE));