PrusaSlicer/src/slic3r/GUI/Gizmos/GLGizmoMove.cpp
Filip Sykala f23c356507 Merge branch 'dev' into fs_mouse
# Conflicts:
#	src/slic3r/GUI/GLCanvas3D.cpp
#	src/slic3r/GUI/Gizmos/GLGizmoBase.cpp
#	src/slic3r/GUI/Gizmos/GLGizmoBase.hpp
#	src/slic3r/GUI/Gizmos/GLGizmoScale.cpp
#	src/slic3r/GUI/Gizmos/GLGizmoScale.hpp
2022-01-20 09:25:06 +01:00

297 lines
9.9 KiB
C++

// Include GLGizmoBase.hpp before I18N.hpp as it includes some libigl code, which overrides our localization "L" macro.
#include "GLGizmoMove.hpp"
#include "slic3r/GUI/GLCanvas3D.hpp"
#include "slic3r/GUI/GUI_App.hpp"
#include <GL/glew.h>
#include <wx/utils.h>
namespace Slic3r {
namespace GUI {
const double GLGizmoMove3D::Offset = 10.0;
GLGizmoMove3D::GLGizmoMove3D(GLCanvas3D& parent, const std::string& icon_filename, unsigned int sprite_id)
: GLGizmoBase(parent, icon_filename, sprite_id)
{}
std::string GLGizmoMove3D::get_tooltip() const
{
const Selection& selection = m_parent.get_selection();
bool show_position = selection.is_single_full_instance();
const Vec3d& position = selection.get_bounding_box().center();
if (m_hover_id == 0 || m_grabbers[0].dragging)
return "X: " + format(show_position ? position(0) : m_displacement(0), 2);
else if (m_hover_id == 1 || m_grabbers[1].dragging)
return "Y: " + format(show_position ? position(1) : m_displacement(1), 2);
else if (m_hover_id == 2 || m_grabbers[2].dragging)
return "Z: " + format(show_position ? position(2) : m_displacement(2), 2);
else
return "";
}
bool GLGizmoMove3D::on_mouse(const wxMouseEvent &mouse_event) {
return use_grabbers(mouse_event);
}
void GLGizmoMove3D::data_changed() {
const Selection &selection = m_parent.get_selection();
bool is_wipe_tower = selection.is_wipe_tower();
m_grabbers[2].enabled = !is_wipe_tower;
}
bool GLGizmoMove3D::on_init()
{
for (int i = 0; i < 3; ++i) {
m_grabbers.push_back(Grabber());
}
m_shortcut_key = WXK_CONTROL_M;
return true;
}
std::string GLGizmoMove3D::on_get_name() const
{
return _u8L("Move");
}
bool GLGizmoMove3D::on_is_activable() const
{
return !m_parent.get_selection().is_empty();
}
void GLGizmoMove3D::on_start_dragging()
{
assert(m_hover_id != -1);
m_displacement = Vec3d::Zero();
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(2) = box.min(2);
}
void GLGizmoMove3D::on_stop_dragging()
{
m_parent.do_move(L("Gizmo-Move"));
m_displacement = Vec3d::Zero();
}
void GLGizmoMove3D::on_dragging(const UpdateData& data)
{
if (m_hover_id == 0)
m_displacement.x() = calc_projection(data);
else if (m_hover_id == 1)
m_displacement.y() = calc_projection(data);
else if (m_hover_id == 2)
m_displacement.z() = calc_projection(data);
Selection &selection = m_parent.get_selection();
selection.translate(m_displacement);
}
void GLGizmoMove3D::on_render()
{
if (!m_cone.is_initialized())
m_cone.init_from(its_make_cone(1.0, 1.0, double(PI) / 18.0));
const Selection& selection = m_parent.get_selection();
glsafe(::glClear(GL_DEPTH_BUFFER_BIT));
glsafe(::glEnable(GL_DEPTH_TEST));
const BoundingBoxf3& box = selection.get_bounding_box();
const Vec3d& center = box.center();
// x axis
m_grabbers[0].center = { box.max.x() + Offset, center.y(), center.z() };
m_grabbers[0].color = AXES_COLOR[0];
// y axis
m_grabbers[1].center = { center.x(), box.max.y() + Offset, center.z() };
m_grabbers[1].color = AXES_COLOR[1];
// z axis
m_grabbers[2].center = { center.x(), center.y(), box.max.z() + Offset };
m_grabbers[2].color = AXES_COLOR[2];
glsafe(::glLineWidth((m_hover_id != -1) ? 2.0f : 1.5f));
auto render_grabber_connection = [this, &center](unsigned int id) {
if (m_grabbers[id].enabled) {
if (!m_grabber_connections[id].model.is_initialized() || !m_grabber_connections[id].old_center.isApprox(center)) {
m_grabber_connections[id].old_center = center;
m_grabber_connections[id].model.reset();
GLModel::InitializationData init_data;
GUI::GLModel::InitializationData::Entity entity;
entity.type = GUI::GLModel::PrimitiveType::Lines;
entity.positions.reserve(2);
entity.positions.emplace_back(center.cast<float>());
entity.positions.emplace_back(m_grabbers[id].center.cast<float>());
entity.normals.reserve(2);
for (size_t j = 0; j < 2; ++j) {
entity.normals.emplace_back(Vec3f::UnitZ());
}
entity.indices.reserve(2);
entity.indices.emplace_back(0);
entity.indices.emplace_back(1);
init_data.entities.emplace_back(entity);
m_grabber_connections[id].model.init_from(init_data);
m_grabber_connections[id].model.set_color(-1, AXES_COLOR[id]);
}
m_grabber_connections[id].model.render();
}
};
if (m_hover_id == -1) {
#if ENABLE_GLBEGIN_GLEND_REMOVAL
GLShaderProgram* shader = wxGetApp().get_shader("flat");
if (shader != nullptr) {
shader->start_using();
#endif // ENABLE_GLBEGIN_GLEND_REMOVAL
// draw axes
for (unsigned int i = 0; i < 3; ++i) {
#if ENABLE_GLBEGIN_GLEND_REMOVAL
render_grabber_connection(i);
#else
if (m_grabbers[i].enabled) {
glsafe(::glColor4fv(AXES_COLOR[i].data()));
::glBegin(GL_LINES);
::glVertex3dv(center.data());
::glVertex3dv(m_grabbers[i].center.data());
glsafe(::glEnd());
}
#endif // ENABLE_GLBEGIN_GLEND_REMOVAL
}
#if ENABLE_GLBEGIN_GLEND_REMOVAL
shader->stop_using();
}
#endif // ENABLE_GLBEGIN_GLEND_REMOVAL
// draw grabbers
render_grabbers(box);
for (unsigned int i = 0; i < 3; ++i) {
if (m_grabbers[i].enabled)
render_grabber_extension((Axis)i, box, false);
}
}
else {
// draw axis
#if ENABLE_GLBEGIN_GLEND_REMOVAL
GLShaderProgram* shader = wxGetApp().get_shader("flat");
if (shader != nullptr) {
shader->start_using();
render_grabber_connection(m_hover_id);
shader->stop_using();
}
shader = wxGetApp().get_shader("gouraud_light");
#else
glsafe(::glColor4fv(AXES_COLOR[m_hover_id].data()));
::glBegin(GL_LINES);
::glVertex3dv(center.data());
::glVertex3dv(m_grabbers[m_hover_id].center.data());
glsafe(::glEnd());
GLShaderProgram* shader = wxGetApp().get_shader("gouraud_light");
#endif // ENABLE_GLBEGIN_GLEND_REMOVAL
if (shader != nullptr) {
shader->start_using();
shader->set_uniform("emission_factor", 0.1f);
// draw grabber
float mean_size = (float)((box.size().x() + box.size().y() + box.size().z()) / 3.0);
m_grabbers[m_hover_id].render(true, mean_size);
shader->stop_using();
}
render_grabber_extension((Axis)m_hover_id, box, false);
}
}
void GLGizmoMove3D::on_render_for_picking()
{
glsafe(::glDisable(GL_DEPTH_TEST));
const BoundingBoxf3& box = m_parent.get_selection().get_bounding_box();
render_grabbers_for_picking(box);
render_grabber_extension(X, box, true);
render_grabber_extension(Y, box, true);
render_grabber_extension(Z, box, true);
}
double GLGizmoMove3D::calc_projection(const UpdateData& data) const
{
double projection = 0.0;
Vec3d starting_vec = m_starting_drag_position - m_starting_box_center;
double len_starting_vec = starting_vec.norm();
if (len_starting_vec != 0.0) {
Vec3d mouse_dir = data.mouse_ray.unit_vector();
// finds the intersection of the mouse ray with the plane parallel to the camera viewport and passing throught the starting position
// use ray-plane intersection see i.e. https://en.wikipedia.org/wiki/Line%E2%80%93plane_intersection algebric form
// in our case plane normal and ray direction are the same (orthogonal view)
// when moving to perspective camera the negative z unit axis of the camera needs to be transformed in world space and used as plane normal
Vec3d inters = data.mouse_ray.a + (m_starting_drag_position - data.mouse_ray.a).dot(mouse_dir) / mouse_dir.squaredNorm() * mouse_dir;
// vector from the starting position to the found intersection
Vec3d inters_vec = inters - m_starting_drag_position;
// finds projection of the vector along the staring direction
projection = inters_vec.dot(starting_vec.normalized());
}
if (wxGetKeyState(WXK_SHIFT))
projection = m_snap_step * (double)std::round(projection / m_snap_step);
return projection;
}
void GLGizmoMove3D::render_grabber_extension(Axis axis, const BoundingBoxf3& box, bool picking) const
{
float mean_size = (float)((box.size().x() + box.size().y() + box.size().z()) / 3.0);
double size = m_dragging ? (double)m_grabbers[axis].get_dragging_half_size(mean_size) : (double)m_grabbers[axis].get_half_size(mean_size);
ColorRGBA color = m_grabbers[axis].color;
if (!picking && m_hover_id != -1)
color = complementary(color);
GLShaderProgram* shader = wxGetApp().get_shader("gouraud_light");
if (shader == nullptr)
return;
const_cast<GLModel*>(&m_cone)->set_color(-1, color);
if (!picking) {
shader->start_using();
shader->set_uniform("emission_factor", 0.1f);
}
glsafe(::glPushMatrix());
glsafe(::glTranslated(m_grabbers[axis].center.x(), m_grabbers[axis].center.y(), m_grabbers[axis].center.z()));
if (axis == X)
glsafe(::glRotated(90.0, 0.0, 1.0, 0.0));
else if (axis == Y)
glsafe(::glRotated(-90.0, 1.0, 0.0, 0.0));
glsafe(::glTranslated(0.0, 0.0, 2.0 * size));
glsafe(::glScaled(0.75 * size, 0.75 * size, 3.0 * size));
m_cone.render();
glsafe(::glPopMatrix());
if (! picking)
shader->stop_using();
}
} // namespace GUI
} // namespace Slic3r