636 lines
19 KiB
C++
636 lines
19 KiB
C++
#include "libslic3r/libslic3r.h"
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#include "3DBed.hpp"
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#include "libslic3r/Polygon.hpp"
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#include "libslic3r/ClipperUtils.hpp"
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#include "libslic3r/BoundingBox.hpp"
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#include "GUI_App.hpp"
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#include "PresetBundle.hpp"
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#include "GLCanvas3D.hpp"
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#include <GL/glew.h>
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#include <boost/algorithm/string/predicate.hpp>
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#include <boost/filesystem/operations.hpp>
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static const float GROUND_Z = -0.02f;
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namespace Slic3r {
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namespace GUI {
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bool GeometryBuffer::set_from_triangles(const Polygons& triangles, float z, bool generate_tex_coords)
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{
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m_vertices.clear();
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unsigned int v_size = 3 * (unsigned int)triangles.size();
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if (v_size == 0)
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return false;
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m_vertices = std::vector<Vertex>(v_size, Vertex());
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float min_x = unscale<float>(triangles[0].points[0](0));
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float min_y = unscale<float>(triangles[0].points[0](1));
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float max_x = min_x;
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float max_y = min_y;
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unsigned int v_count = 0;
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for (const Polygon& t : triangles)
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{
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for (unsigned int i = 0; i < 3; ++i)
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{
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Vertex& v = m_vertices[v_count];
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const Point& p = t.points[i];
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float x = unscale<float>(p(0));
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float y = unscale<float>(p(1));
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v.position[0] = x;
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v.position[1] = y;
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v.position[2] = z;
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if (generate_tex_coords)
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{
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v.tex_coords[0] = x;
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v.tex_coords[1] = y;
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min_x = std::min(min_x, x);
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max_x = std::max(max_x, x);
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min_y = std::min(min_y, y);
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max_y = std::max(max_y, y);
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}
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++v_count;
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}
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}
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if (generate_tex_coords)
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{
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float size_x = max_x - min_x;
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float size_y = max_y - min_y;
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if ((size_x != 0.0f) && (size_y != 0.0f))
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{
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float inv_size_x = 1.0f / size_x;
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float inv_size_y = -1.0f / size_y;
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for (Vertex& v : m_vertices)
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{
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v.tex_coords[0] = (v.tex_coords[0] - min_x) * inv_size_x;
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v.tex_coords[1] = (v.tex_coords[1] - min_y) * inv_size_y;
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}
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}
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}
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return true;
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}
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bool GeometryBuffer::set_from_lines(const Lines& lines, float z)
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{
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m_vertices.clear();
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unsigned int v_size = 2 * (unsigned int)lines.size();
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if (v_size == 0)
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return false;
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m_vertices = std::vector<Vertex>(v_size, Vertex());
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unsigned int v_count = 0;
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for (const Line& l : lines)
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{
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Vertex& v1 = m_vertices[v_count];
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v1.position[0] = unscale<float>(l.a(0));
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v1.position[1] = unscale<float>(l.a(1));
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v1.position[2] = z;
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++v_count;
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Vertex& v2 = m_vertices[v_count];
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v2.position[0] = unscale<float>(l.b(0));
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v2.position[1] = unscale<float>(l.b(1));
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v2.position[2] = z;
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++v_count;
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}
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return true;
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}
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const float* GeometryBuffer::get_vertices_data() const
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{
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return (m_vertices.size() > 0) ? (const float*)m_vertices.data() : nullptr;
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}
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const double Bed3D::Axes::Radius = 0.5;
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const double Bed3D::Axes::ArrowBaseRadius = 2.5 * Bed3D::Axes::Radius;
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const double Bed3D::Axes::ArrowLength = 5.0;
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Bed3D::Axes::Axes()
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: origin(Vec3d::Zero())
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, length(25.0 * Vec3d::Ones())
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{
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m_quadric = ::gluNewQuadric();
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if (m_quadric != nullptr)
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::gluQuadricDrawStyle(m_quadric, GLU_FILL);
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}
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Bed3D::Axes::~Axes()
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{
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if (m_quadric != nullptr)
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::gluDeleteQuadric(m_quadric);
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}
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void Bed3D::Axes::render() const
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{
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if (m_quadric == nullptr)
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return;
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glsafe(::glEnable(GL_DEPTH_TEST));
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glsafe(::glEnable(GL_LIGHTING));
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// x axis
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glsafe(::glColor3fv(AXES_COLOR[0]));
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glsafe(::glPushMatrix());
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glsafe(::glTranslated(origin(0), origin(1), origin(2)));
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glsafe(::glRotated(90.0, 0.0, 1.0, 0.0));
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render_axis(length(0));
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glsafe(::glPopMatrix());
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// y axis
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glsafe(::glColor3fv(AXES_COLOR[1]));
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glsafe(::glPushMatrix());
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glsafe(::glTranslated(origin(0), origin(1), origin(2)));
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glsafe(::glRotated(-90.0, 1.0, 0.0, 0.0));
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render_axis(length(1));
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glsafe(::glPopMatrix());
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// z axis
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glsafe(::glColor3fv(AXES_COLOR[2]));
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glsafe(::glPushMatrix());
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glsafe(::glTranslated(origin(0), origin(1), origin(2)));
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render_axis(length(2));
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glsafe(::glPopMatrix());
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glsafe(::glDisable(GL_LIGHTING));
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glsafe(::glDisable(GL_DEPTH_TEST));
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}
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void Bed3D::Axes::render_axis(double length) const
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{
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::gluQuadricOrientation(m_quadric, GLU_OUTSIDE);
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::gluCylinder(m_quadric, Radius, Radius, length, 32, 1);
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::gluQuadricOrientation(m_quadric, GLU_INSIDE);
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::gluDisk(m_quadric, 0.0, Radius, 32, 1);
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glsafe(::glTranslated(0.0, 0.0, length));
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::gluQuadricOrientation(m_quadric, GLU_OUTSIDE);
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::gluCylinder(m_quadric, ArrowBaseRadius, 0.0, ArrowLength, 32, 1);
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::gluQuadricOrientation(m_quadric, GLU_INSIDE);
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::gluDisk(m_quadric, 0.0, ArrowBaseRadius, 32, 1);
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}
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Bed3D::Bed3D()
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: m_type(Custom)
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, m_vbo_id(0)
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, m_scale_factor(1.0f)
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{
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}
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bool Bed3D::set_shape(const Pointfs& shape, const std::string& custom_texture, const std::string& custom_model)
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{
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auto check_texture = [](const std::string& texture) {
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return !texture.empty() && (boost::algorithm::iends_with(texture, ".png") || boost::algorithm::iends_with(texture, ".svg")) && boost::filesystem::exists(texture);
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};
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auto check_model = [](const std::string& model) {
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return !model.empty() && boost::algorithm::iends_with(model, ".stl") && boost::filesystem::exists(model);
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};
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auto [new_type, system_model, system_texture] = detect_type(shape);
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std::string texture_filename = custom_texture.empty() ? system_texture : custom_texture;
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if (!check_texture(texture_filename))
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texture_filename.clear();
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std::string model_filename = custom_model.empty() ? system_model : custom_model;
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if (!check_model(model_filename))
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model_filename.clear();
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if ((m_shape == shape) && (m_type == new_type) && (m_texture_filename == texture_filename) && (m_model_filename == model_filename))
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// No change, no need to update the UI.
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return false;
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m_shape = shape;
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m_texture_filename = texture_filename;
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m_model_filename = model_filename;
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m_type = new_type;
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calc_bounding_boxes();
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ExPolygon poly;
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for (const Vec2d& p : m_shape)
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{
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poly.contour.append(Point(scale_(p(0)), scale_(p(1))));
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}
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calc_triangles(poly);
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const BoundingBox& bed_bbox = poly.contour.bounding_box();
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calc_gridlines(poly, bed_bbox);
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m_polygon = offset_ex(poly.contour, (float)bed_bbox.radius() * 1.7f, jtRound, scale_(0.5))[0].contour;
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reset();
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m_texture.reset();
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m_model.reset();
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// Set the origin and size for rendering the coordinate system axes.
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m_axes.origin = Vec3d(0.0, 0.0, (double)GROUND_Z);
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m_axes.length = 0.1 * m_bounding_box.max_size() * Vec3d::Ones();
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// Let the calee to update the UI.
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return true;
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}
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bool Bed3D::contains(const Point& point) const
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{
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return m_polygon.contains(point);
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}
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Point Bed3D::point_projection(const Point& point) const
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{
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return m_polygon.point_projection(point);
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}
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void Bed3D::render(GLCanvas3D& canvas, bool bottom, float scale_factor,
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bool show_axes, bool show_texture) const
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{
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m_scale_factor = scale_factor;
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if (show_axes)
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render_axes();
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glsafe(::glEnable(GL_DEPTH_TEST));
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switch (m_type)
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{
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case System: { render_system(canvas, bottom, show_texture); break; }
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default:
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case Custom: { render_custom(canvas, bottom, show_texture); break; }
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}
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glsafe(::glDisable(GL_DEPTH_TEST));
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}
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void Bed3D::calc_bounding_boxes() const
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{
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m_bounding_box = BoundingBoxf3();
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for (const Vec2d& p : m_shape)
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{
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m_bounding_box.merge(Vec3d(p(0), p(1), 0.0));
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}
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m_extended_bounding_box = m_bounding_box;
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// extend to contain axes
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m_extended_bounding_box.merge(m_axes.length + Axes::ArrowLength * Vec3d::Ones());
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// extend to contain model, if any
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if (!m_model.get_filename().empty())
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m_extended_bounding_box.merge(m_model.get_transformed_bounding_box());
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}
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void Bed3D::calc_triangles(const ExPolygon& poly)
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{
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Polygons triangles;
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poly.triangulate(&triangles);
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if (!m_triangles.set_from_triangles(triangles, GROUND_Z, true))
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printf("Unable to create bed triangles\n");
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}
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void Bed3D::calc_gridlines(const ExPolygon& poly, const BoundingBox& bed_bbox)
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{
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Polylines axes_lines;
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for (coord_t x = bed_bbox.min(0); x <= bed_bbox.max(0); x += scale_(10.0))
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{
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Polyline line;
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line.append(Point(x, bed_bbox.min(1)));
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line.append(Point(x, bed_bbox.max(1)));
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axes_lines.push_back(line);
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}
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for (coord_t y = bed_bbox.min(1); y <= bed_bbox.max(1); y += scale_(10.0))
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{
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Polyline line;
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line.append(Point(bed_bbox.min(0), y));
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line.append(Point(bed_bbox.max(0), y));
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axes_lines.push_back(line);
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}
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// clip with a slightly grown expolygon because our lines lay on the contours and may get erroneously clipped
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Lines gridlines = to_lines(intersection_pl(axes_lines, offset(poly, (float)SCALED_EPSILON)));
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// append bed contours
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Lines contour_lines = to_lines(poly);
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std::copy(contour_lines.begin(), contour_lines.end(), std::back_inserter(gridlines));
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if (!m_gridlines.set_from_lines(gridlines, GROUND_Z))
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printf("Unable to create bed grid lines\n");
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}
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static std::string system_print_bed_model(const Preset &preset)
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{
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std::string out;
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const VendorProfile::PrinterModel *pm = PresetUtils::system_printer_model(preset);
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if (pm != nullptr && ! pm->bed_model.empty())
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out = Slic3r::resources_dir() + "/profiles/" + preset.vendor->id + "/" + pm->bed_model;
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return out;
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}
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static std::string system_print_bed_texture(const Preset &preset)
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{
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std::string out;
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const VendorProfile::PrinterModel *pm = PresetUtils::system_printer_model(preset);
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if (pm != nullptr && ! pm->bed_texture.empty())
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out = Slic3r::resources_dir() + "/profiles/" + preset.vendor->id + "/" + pm->bed_texture;
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return out;
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}
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std::tuple<Bed3D::EType, std::string, std::string> Bed3D::detect_type(const Pointfs& shape) const
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{
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auto bundle = wxGetApp().preset_bundle;
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if (bundle != nullptr)
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{
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const Preset* curr = &bundle->printers.get_selected_preset();
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while (curr != nullptr)
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{
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if (curr->config.has("bed_shape"))
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{
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if (shape == dynamic_cast<const ConfigOptionPoints*>(curr->config.option("bed_shape"))->values)
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{
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std::string model_filename = system_print_bed_model(*curr);
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std::string texture_filename = system_print_bed_texture(*curr);
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if (!model_filename.empty() && !texture_filename.empty())
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return std::make_tuple(System, model_filename, texture_filename);
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}
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}
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curr = bundle->printers.get_preset_parent(*curr);
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}
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}
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return std::make_tuple(Custom, "", "");
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}
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void Bed3D::render_axes() const
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{
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if (!m_shape.empty())
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m_axes.render();
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}
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void Bed3D::render_system(GLCanvas3D& canvas, bool bottom, bool show_texture) const
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{
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if (!bottom)
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render_model();
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if (show_texture)
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render_texture(bottom, canvas);
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}
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void Bed3D::render_texture(bool bottom, GLCanvas3D& canvas) const
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{
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if (m_texture_filename.empty())
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{
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m_texture.reset();
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render_default(bottom);
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return;
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}
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if ((m_texture.get_id() == 0) || (m_texture.get_source() != m_texture_filename))
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{
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m_texture.reset();
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if (boost::algorithm::iends_with(m_texture_filename, ".svg"))
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{
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// use higher resolution images if graphic card and opengl version allow
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GLint max_tex_size = GLCanvas3DManager::get_gl_info().get_max_tex_size();
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if ((m_temp_texture.get_id() == 0) || (m_temp_texture.get_source() != m_texture_filename))
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{
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// generate a temporary lower resolution texture to show while no main texture levels have been compressed
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if (!m_temp_texture.load_from_svg_file(m_texture_filename, false, false, false, max_tex_size / 8))
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{
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render_default(bottom);
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return;
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}
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canvas.request_extra_frame();
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}
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// starts generating the main texture, compression will run asynchronously
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if (!m_texture.load_from_svg_file(m_texture_filename, true, true, true, max_tex_size))
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{
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render_default(bottom);
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return;
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}
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}
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else if (boost::algorithm::iends_with(m_texture_filename, ".png"))
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{
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// generate a temporary lower resolution texture to show while no main texture levels have been compressed
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if ((m_temp_texture.get_id() == 0) || (m_temp_texture.get_source() != m_texture_filename))
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{
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if (!m_temp_texture.load_from_file(m_texture_filename, false, GLTexture::None, false))
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{
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render_default(bottom);
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return;
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}
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canvas.request_extra_frame();
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}
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// starts generating the main texture, compression will run asynchronously
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if (!m_texture.load_from_file(m_texture_filename, true, GLTexture::MultiThreaded, true))
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{
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render_default(bottom);
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return;
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}
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}
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else
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{
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render_default(bottom);
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return;
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}
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}
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else if (m_texture.unsent_compressed_data_available())
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{
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// sends to gpu the already available compressed levels of the main texture
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m_texture.send_compressed_data_to_gpu();
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// the temporary texture is not needed anymore, reset it
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if (m_temp_texture.get_id() != 0)
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m_temp_texture.reset();
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canvas.request_extra_frame();
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}
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if (m_triangles.get_vertices_count() > 0)
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{
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if (m_shader.get_shader_program_id() == 0)
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m_shader.init("printbed.vs", "printbed.fs");
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if (m_shader.is_initialized())
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{
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m_shader.start_using();
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m_shader.set_uniform("transparent_background", bottom);
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m_shader.set_uniform("svg_source", boost::algorithm::iends_with(m_texture.get_source(), ".svg"));
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if (m_vbo_id == 0)
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{
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glsafe(::glGenBuffers(1, &m_vbo_id));
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glsafe(::glBindBuffer(GL_ARRAY_BUFFER, m_vbo_id));
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glsafe(::glBufferData(GL_ARRAY_BUFFER, (GLsizeiptr)m_triangles.get_vertices_data_size(), (const GLvoid*)m_triangles.get_vertices_data(), GL_STATIC_DRAW));
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glsafe(::glBindBuffer(GL_ARRAY_BUFFER, 0));
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}
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glsafe(::glEnable(GL_DEPTH_TEST));
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glsafe(::glDepthMask(GL_FALSE));
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glsafe(::glEnable(GL_BLEND));
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glsafe(::glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA));
|
|
|
|
if (bottom)
|
|
glsafe(::glFrontFace(GL_CW));
|
|
|
|
unsigned int stride = m_triangles.get_vertex_data_size();
|
|
|
|
GLint position_id = m_shader.get_attrib_location("v_position");
|
|
GLint tex_coords_id = m_shader.get_attrib_location("v_tex_coords");
|
|
|
|
// show the temporary texture while no compressed data is available
|
|
GLuint tex_id = (GLuint)m_temp_texture.get_id();
|
|
if (tex_id == 0)
|
|
tex_id = (GLuint)m_texture.get_id();
|
|
|
|
glsafe(::glBindTexture(GL_TEXTURE_2D, tex_id));
|
|
glsafe(::glBindBuffer(GL_ARRAY_BUFFER, m_vbo_id));
|
|
|
|
if (position_id != -1)
|
|
{
|
|
glsafe(::glEnableVertexAttribArray(position_id));
|
|
glsafe(::glVertexAttribPointer(position_id, 3, GL_FLOAT, GL_FALSE, stride, (GLvoid*)(intptr_t)m_triangles.get_position_offset()));
|
|
}
|
|
if (tex_coords_id != -1)
|
|
{
|
|
glsafe(::glEnableVertexAttribArray(tex_coords_id));
|
|
glsafe(::glVertexAttribPointer(tex_coords_id, 2, GL_FLOAT, GL_FALSE, stride, (GLvoid*)(intptr_t)m_triangles.get_tex_coords_offset()));
|
|
}
|
|
|
|
glsafe(::glDrawArrays(GL_TRIANGLES, 0, (GLsizei)m_triangles.get_vertices_count()));
|
|
|
|
if (tex_coords_id != -1)
|
|
glsafe(::glDisableVertexAttribArray(tex_coords_id));
|
|
|
|
if (position_id != -1)
|
|
glsafe(::glDisableVertexAttribArray(position_id));
|
|
|
|
glsafe(::glBindBuffer(GL_ARRAY_BUFFER, 0));
|
|
glsafe(::glBindTexture(GL_TEXTURE_2D, 0));
|
|
|
|
if (bottom)
|
|
glsafe(::glFrontFace(GL_CCW));
|
|
|
|
glsafe(::glDisable(GL_BLEND));
|
|
glsafe(::glDepthMask(GL_TRUE));
|
|
|
|
m_shader.stop_using();
|
|
}
|
|
}
|
|
}
|
|
|
|
void Bed3D::render_model() const
|
|
{
|
|
if (m_model_filename.empty())
|
|
return;
|
|
|
|
if ((m_model.get_filename() != m_model_filename) && m_model.init_from_file(m_model_filename))
|
|
{
|
|
// move the model so that its origin (0.0, 0.0, 0.0) goes into the bed shape center and a bit down to avoid z-fighting with the texture quad
|
|
Vec3d shift = m_bounding_box.center();
|
|
shift(2) = -0.03;
|
|
m_model.set_offset(shift);
|
|
|
|
// update extended bounding box
|
|
calc_bounding_boxes();
|
|
}
|
|
|
|
if (!m_model.get_filename().empty())
|
|
{
|
|
glsafe(::glEnable(GL_LIGHTING));
|
|
m_model.render();
|
|
glsafe(::glDisable(GL_LIGHTING));
|
|
}
|
|
}
|
|
|
|
void Bed3D::render_custom(GLCanvas3D& canvas, bool bottom, bool show_texture) const
|
|
{
|
|
if (m_texture_filename.empty() && m_model_filename.empty())
|
|
{
|
|
render_default(bottom);
|
|
return;
|
|
}
|
|
|
|
if (!bottom)
|
|
render_model();
|
|
|
|
if (show_texture)
|
|
render_texture(bottom, canvas);
|
|
}
|
|
|
|
void Bed3D::render_default(bool bottom) const
|
|
{
|
|
m_texture.reset();
|
|
|
|
unsigned int triangles_vcount = m_triangles.get_vertices_count();
|
|
if (triangles_vcount > 0)
|
|
{
|
|
bool has_model = !m_model.get_filename().empty();
|
|
|
|
glsafe(::glEnable(GL_DEPTH_TEST));
|
|
glsafe(::glEnable(GL_BLEND));
|
|
glsafe(::glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA));
|
|
|
|
glsafe(::glEnableClientState(GL_VERTEX_ARRAY));
|
|
|
|
if (!has_model && !bottom)
|
|
{
|
|
// draw background
|
|
glsafe(::glDepthMask(GL_FALSE));
|
|
glsafe(::glColor4f(0.35f, 0.35f, 0.35f, 0.4f));
|
|
glsafe(::glNormal3d(0.0f, 0.0f, 1.0f));
|
|
glsafe(::glVertexPointer(3, GL_FLOAT, m_triangles.get_vertex_data_size(), (GLvoid*)m_triangles.get_vertices_data()));
|
|
glsafe(::glDrawArrays(GL_TRIANGLES, 0, (GLsizei)triangles_vcount));
|
|
glsafe(::glDepthMask(GL_TRUE));
|
|
}
|
|
|
|
// draw grid
|
|
glsafe(::glLineWidth(3.0f * m_scale_factor));
|
|
if (has_model && !bottom)
|
|
glsafe(::glColor4f(0.75f, 0.75f, 0.75f, 1.0f));
|
|
else
|
|
glsafe(::glColor4f(0.2f, 0.2f, 0.2f, 0.4f));
|
|
glsafe(::glVertexPointer(3, GL_FLOAT, m_triangles.get_vertex_data_size(), (GLvoid*)m_gridlines.get_vertices_data()));
|
|
glsafe(::glDrawArrays(GL_LINES, 0, (GLsizei)m_gridlines.get_vertices_count()));
|
|
|
|
glsafe(::glDisableClientState(GL_VERTEX_ARRAY));
|
|
|
|
glsafe(::glDisable(GL_BLEND));
|
|
}
|
|
}
|
|
|
|
void Bed3D::reset()
|
|
{
|
|
if (m_vbo_id > 0)
|
|
{
|
|
glsafe(::glDeleteBuffers(1, &m_vbo_id));
|
|
m_vbo_id = 0;
|
|
}
|
|
}
|
|
|
|
} // GUI
|
|
} // Slic3r
|