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Tech ENABLE_RAYCAST_PICKING - Raytraced picking of Gizmo Flatten

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This commit is contained in:
enricoturri1966 2022-06-14 11:30:30 +02:00
parent 9ac5ab857b
commit f5e68a6ac6
2 changed files with 67 additions and 4 deletions
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54
src/slic3r/GUI/Gizmos/GLGizmoFlatten.cpp
View file

@ -133,8 +133,13 @@ void GLGizmoFlatten::on_render()
update_planes();
for (int i = 0; i < (int)m_planes.size(); ++i) {
#if ENABLE_LEGACY_OPENGL_REMOVAL
#if ENABLE_RAYCAST_PICKING
m_planes[i].vbo.model.set_color(i == m_hover_id ? DEFAULT_HOVER_PLANE_COLOR : DEFAULT_PLANE_COLOR);
m_planes[i].vbo.model.render();
#else
m_planes[i].vbo.set_color(i == m_hover_id ? DEFAULT_HOVER_PLANE_COLOR : DEFAULT_PLANE_COLOR);
m_planes[i].vbo.render();
#endif // ENABLE_RAYCAST_PICKING
#else
glsafe(::glColor4fv(i == m_hover_id ? DEFAULT_HOVER_PLANE_COLOR.data() : DEFAULT_PLANE_COLOR.data()));
if (m_planes[i].vbo.has_VBOs())
@ -154,7 +159,29 @@ void GLGizmoFlatten::on_render()
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
}
#if !ENABLE_RAYCAST_PICKING
#if ENABLE_RAYCAST_PICKING
void GLGizmoFlatten::on_register_raycasters_for_picking()
{
// the gizmo grabbers are rendered on top of the scene, so the raytraced picker should take it into account
m_parent.set_raycaster_gizmos_on_top(true);
if (!m_planes.empty()) {
const Selection& selection = m_parent.get_selection();
const Transform3d matrix = Geometry::assemble_transform(selection.get_volume(*selection.get_volume_idxs().begin())->get_sla_shift_z() * Vec3d::UnitZ()) *
selection.get_volume(*selection.get_volume_idxs().begin())->get_instance_transformation().get_matrix();
for (int i = 0; i < (int)m_planes.size(); ++i) {
m_parent.add_raycaster_for_picking(SceneRaycaster::EType::Gizmo, i, *m_planes[i].vbo.mesh_raycaster, matrix);
}
}
}
void GLGizmoFlatten::on_unregister_raycasters_for_picking()
{
m_parent.remove_raycasters_for_picking(SceneRaycaster::EType::Gizmo);
m_parent.set_raycaster_gizmos_on_top(false);
}
#else
void GLGizmoFlatten::on_render_for_picking()
{
const Selection& selection = m_parent.get_selection();
@ -205,13 +232,16 @@ void GLGizmoFlatten::on_render_for_picking()
shader->stop_using();
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
}
#endif // !ENABLE_RAYCAST_PICKING
#endif // ENABLE_RAYCAST_PICKING
void GLGizmoFlatten::set_flattening_data(const ModelObject* model_object)
{
if (model_object != m_old_model_object) {
m_planes.clear();
m_planes_valid = false;
#if ENABLE_RAYCAST_PICKING
on_unregister_raycasters_for_picking();
#endif // ENABLE_RAYCAST_PICKING
}
}
@ -228,6 +258,9 @@ void GLGizmoFlatten::update_planes()
}
ch = ch.convex_hull_3d();
m_planes.clear();
#if ENABLE_RAYCAST_PICKING
on_unregister_raycasters_for_picking();
#endif // ENABLE_RAYCAST_PICKING
#if ENABLE_WORLD_COORDINATE
const Transform3d inst_matrix = mo->instances.front()->get_matrix_no_offset();
#else
@ -424,6 +457,19 @@ void GLGizmoFlatten::update_planes()
// the vertices in order, so triangulation is trivial.
for (auto& plane : m_planes) {
#if ENABLE_LEGACY_OPENGL_REMOVAL
#if ENABLE_RAYCAST_PICKING
indexed_triangle_set its;
its.vertices.reserve(plane.vertices.size());
its.indices.reserve(plane.vertices.size() / 3);
for (size_t i = 0; i < plane.vertices.size(); ++i) {
its.vertices.emplace_back((Vec3f)plane.vertices[i].cast<float>());
}
for (size_t i = 1; i < plane.vertices.size() - 1; ++i) {
its.indices.emplace_back(0, i, i + 1); // triangle fan
}
plane.vbo.model.init_from(its);
plane.vbo.mesh_raycaster = std::make_unique<MeshRaycaster>(std::make_shared<const TriangleMesh>(std::move(its)));
#else
GLModel::Geometry init_data;
init_data.format = { GLModel::Geometry::EPrimitiveType::TriangleFan, GLModel::Geometry::EVertexLayout::P3N3 };
init_data.reserve_vertices(plane.vertices.size());
@ -434,6 +480,7 @@ void GLGizmoFlatten::update_planes()
init_data.add_index((unsigned int)i);
}
plane.vbo.init_from(std::move(init_data));
#endif // ENABLE_RAYCAST_PICKING
#else
plane.vbo.reserve(plane.vertices.size());
for (const auto& vert : plane.vertices)
@ -448,6 +495,9 @@ void GLGizmoFlatten::update_planes()
plane.vertices.shrink_to_fit();
}
#if ENABLE_RAYCAST_PICKING
on_register_raycasters_for_picking();
#endif // ENABLE_RAYCAST_PICKING
m_planes_valid = true;
}

17
src/slic3r/GUI/Gizmos/GLGizmoFlatten.hpp
View file

@ -4,6 +4,9 @@
#include "GLGizmoBase.hpp"
#if ENABLE_LEGACY_OPENGL_REMOVAL
#include "slic3r/GUI/GLModel.hpp"
#if ENABLE_RAYCAST_PICKING
#include "slic3r/GUI/MeshUtils.hpp"
#endif // ENABLE_RAYCAST_PICKING
#else
#include "slic3r/GUI/3DScene.hpp"
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
@ -26,12 +29,19 @@ private:
struct PlaneData {
std::vector<Vec3d> vertices; // should be in fact local in update_planes()
#if ENABLE_LEGACY_OPENGL_REMOVAL
#if ENABLE_RAYCAST_PICKING
PickingModel vbo;
#else
GLModel vbo;
#endif // ENABLE_RAYCAST_PICKING
#else
GLIndexedVertexArray vbo;
#endif // ENABLE_LEGACY_OPENGL_REMOVAL
Vec3d normal;
float area;
#if ENABLE_RAYCAST_PICKING
PickingId picking_id{ -1 };
#endif // ENABLE_RAYCAST_PICKING
};
// This holds information to decide whether recalculation is necessary:
@ -67,9 +77,12 @@ protected:
std::string on_get_name() const override;
bool on_is_activable() const override;
void on_render() override;
#if !ENABLE_RAYCAST_PICKING
#if ENABLE_RAYCAST_PICKING
virtual void on_register_raycasters_for_picking() override;
virtual void on_unregister_raycasters_for_picking() override;
#else
void on_render_for_picking() override;
#endif // !ENABLE_RAYCAST_PICKING
#endif // ENABLE_RAYCAST_PICKING
void on_set_state() override;
CommonGizmosDataID on_get_requirements() const override;
};