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path: root/src/slic3r/GUI/3DScene.cpp
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Diffstat (limited to 'src/slic3r/GUI/3DScene.cpp')
-rw-r--r--src/slic3r/GUI/3DScene.cpp2205
1 files changed, 2205 insertions, 0 deletions
diff --git a/src/slic3r/GUI/3DScene.cpp b/src/slic3r/GUI/3DScene.cpp
new file mode 100644
index 000000000..e6f038042
--- /dev/null
+++ b/src/slic3r/GUI/3DScene.cpp
@@ -0,0 +1,2205 @@
+#include <GL/glew.h>
+
+#include "3DScene.hpp"
+
+#include "../../libslic3r/ExtrusionEntity.hpp"
+#include "../../libslic3r/ExtrusionEntityCollection.hpp"
+#include "../../libslic3r/Geometry.hpp"
+#include "../../libslic3r/GCode/PreviewData.hpp"
+#include "../../libslic3r/Print.hpp"
+#include "../../libslic3r/Slicing.hpp"
+#include "../../slic3r/GUI/PresetBundle.hpp"
+#include "GCode/Analyzer.hpp"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <utility>
+#include <assert.h>
+
+#include <boost/log/trivial.hpp>
+
+#include <tbb/parallel_for.h>
+#include <tbb/spin_mutex.h>
+
+#include <Eigen/Dense>
+
+#include "GUI.hpp"
+
+namespace Slic3r {
+
+void GLIndexedVertexArray::load_mesh_flat_shading(const TriangleMesh &mesh)
+{
+ assert(triangle_indices.empty() && vertices_and_normals_interleaved_size == 0);
+ assert(quad_indices.empty() && triangle_indices_size == 0);
+ assert(vertices_and_normals_interleaved.size() % 6 == 0 && quad_indices_size == vertices_and_normals_interleaved.size());
+
+ this->vertices_and_normals_interleaved.reserve(this->vertices_and_normals_interleaved.size() + 3 * 3 * 2 * mesh.facets_count());
+
+ for (int i = 0; i < mesh.stl.stats.number_of_facets; ++ i) {
+ const stl_facet &facet = mesh.stl.facet_start[i];
+ for (int j = 0; j < 3; ++ j)
+ this->push_geometry(facet.vertex[j](0), facet.vertex[j](1), facet.vertex[j](2), facet.normal(0), facet.normal(1), facet.normal(2));
+ }
+}
+
+void GLIndexedVertexArray::load_mesh_full_shading(const TriangleMesh &mesh)
+{
+ assert(triangle_indices.empty() && vertices_and_normals_interleaved_size == 0);
+ assert(quad_indices.empty() && triangle_indices_size == 0);
+ assert(vertices_and_normals_interleaved.size() % 6 == 0 && quad_indices_size == vertices_and_normals_interleaved.size());
+
+ this->vertices_and_normals_interleaved.reserve(this->vertices_and_normals_interleaved.size() + 3 * 3 * 2 * mesh.facets_count());
+
+ unsigned int vertices_count = 0;
+ for (int i = 0; i < mesh.stl.stats.number_of_facets; ++i) {
+ const stl_facet &facet = mesh.stl.facet_start[i];
+ for (int j = 0; j < 3; ++j)
+ this->push_geometry(facet.vertex[j](0), facet.vertex[j](1), facet.vertex[j](2), facet.normal(0), facet.normal(1), facet.normal(2));
+
+ this->push_triangle(vertices_count, vertices_count + 1, vertices_count + 2);
+ vertices_count += 3;
+ }
+}
+
+void GLIndexedVertexArray::finalize_geometry(bool use_VBOs)
+{
+ assert(this->vertices_and_normals_interleaved_VBO_id == 0);
+ assert(this->triangle_indices_VBO_id == 0);
+ assert(this->quad_indices_VBO_id == 0);
+
+ this->setup_sizes();
+
+ if (use_VBOs) {
+ if (! empty()) {
+ glGenBuffers(1, &this->vertices_and_normals_interleaved_VBO_id);
+ glBindBuffer(GL_ARRAY_BUFFER, this->vertices_and_normals_interleaved_VBO_id);
+ glBufferData(GL_ARRAY_BUFFER, this->vertices_and_normals_interleaved.size() * 4, this->vertices_and_normals_interleaved.data(), GL_STATIC_DRAW);
+ glBindBuffer(GL_ARRAY_BUFFER, 0);
+ this->vertices_and_normals_interleaved.clear();
+ }
+ if (! this->triangle_indices.empty()) {
+ glGenBuffers(1, &this->triangle_indices_VBO_id);
+ glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, this->triangle_indices_VBO_id);
+ glBufferData(GL_ELEMENT_ARRAY_BUFFER, this->triangle_indices.size() * 4, this->triangle_indices.data(), GL_STATIC_DRAW);
+ this->triangle_indices.clear();
+ }
+ if (! this->quad_indices.empty()) {
+ glGenBuffers(1, &this->quad_indices_VBO_id);
+ glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, this->quad_indices_VBO_id);
+ glBufferData(GL_ELEMENT_ARRAY_BUFFER, this->quad_indices.size() * 4, this->quad_indices.data(), GL_STATIC_DRAW);
+ this->quad_indices.clear();
+ }
+ glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
+ }
+ this->shrink_to_fit();
+}
+
+void GLIndexedVertexArray::release_geometry()
+{
+ if (this->vertices_and_normals_interleaved_VBO_id)
+ glDeleteBuffers(1, &this->vertices_and_normals_interleaved_VBO_id);
+ if (this->triangle_indices_VBO_id)
+ glDeleteBuffers(1, &this->triangle_indices_VBO_id);
+ if (this->quad_indices_VBO_id)
+ glDeleteBuffers(1, &this->quad_indices_VBO_id);
+ this->clear();
+ this->shrink_to_fit();
+}
+
+void GLIndexedVertexArray::render() const
+{
+ if (this->vertices_and_normals_interleaved_VBO_id) {
+ glBindBuffer(GL_ARRAY_BUFFER, this->vertices_and_normals_interleaved_VBO_id);
+ glVertexPointer(3, GL_FLOAT, 6 * sizeof(float), (const void*)(3 * sizeof(float)));
+ glNormalPointer(GL_FLOAT, 6 * sizeof(float), nullptr);
+ } else {
+ glVertexPointer(3, GL_FLOAT, 6 * sizeof(float), this->vertices_and_normals_interleaved.data() + 3);
+ glNormalPointer(GL_FLOAT, 6 * sizeof(float), this->vertices_and_normals_interleaved.data());
+ }
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glEnableClientState(GL_NORMAL_ARRAY);
+
+ if (this->indexed()) {
+ if (this->vertices_and_normals_interleaved_VBO_id) {
+ // Render using the Vertex Buffer Objects.
+ if (this->triangle_indices_size > 0) {
+ glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, this->triangle_indices_VBO_id);
+ glDrawElements(GL_TRIANGLES, GLsizei(this->triangle_indices_size), GL_UNSIGNED_INT, nullptr);
+ }
+ if (this->quad_indices_size > 0) {
+ glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, this->quad_indices_VBO_id);
+ glDrawElements(GL_QUADS, GLsizei(this->quad_indices_size), GL_UNSIGNED_INT, nullptr);
+ }
+ glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
+ } else {
+ // Render in an immediate mode.
+ if (! this->triangle_indices.empty())
+ glDrawElements(GL_TRIANGLES, GLsizei(this->triangle_indices_size), GL_UNSIGNED_INT, this->triangle_indices.data());
+ if (! this->quad_indices.empty())
+ glDrawElements(GL_QUADS, GLsizei(this->quad_indices_size), GL_UNSIGNED_INT, this->quad_indices.data());
+ }
+ } else
+ glDrawArrays(GL_TRIANGLES, 0, GLsizei(this->vertices_and_normals_interleaved_size / 6));
+
+ if (this->vertices_and_normals_interleaved_VBO_id)
+ glBindBuffer(GL_ARRAY_BUFFER, 0);
+ glDisableClientState(GL_VERTEX_ARRAY);
+ glDisableClientState(GL_NORMAL_ARRAY);
+}
+
+void GLIndexedVertexArray::render(
+ const std::pair<size_t, size_t> &tverts_range,
+ const std::pair<size_t, size_t> &qverts_range) const
+{
+ assert(this->indexed());
+ if (! this->indexed())
+ return;
+
+ if (this->vertices_and_normals_interleaved_VBO_id) {
+ // Render using the Vertex Buffer Objects.
+ glBindBuffer(GL_ARRAY_BUFFER, this->vertices_and_normals_interleaved_VBO_id);
+ glVertexPointer(3, GL_FLOAT, 6 * sizeof(float), (const void*)(3 * sizeof(float)));
+ glNormalPointer(GL_FLOAT, 6 * sizeof(float), nullptr);
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glEnableClientState(GL_NORMAL_ARRAY);
+ if (this->triangle_indices_size > 0) {
+ glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, this->triangle_indices_VBO_id);
+ glDrawElements(GL_TRIANGLES, GLsizei(std::min(this->triangle_indices_size, tverts_range.second - tverts_range.first)), GL_UNSIGNED_INT, (const void*)(tverts_range.first * 4));
+ }
+ if (this->quad_indices_size > 0) {
+ glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, this->quad_indices_VBO_id);
+ glDrawElements(GL_QUADS, GLsizei(std::min(this->quad_indices_size, qverts_range.second - qverts_range.first)), GL_UNSIGNED_INT, (const void*)(qverts_range.first * 4));
+ }
+ glBindBuffer(GL_ARRAY_BUFFER, 0);
+ glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
+ } else {
+ // Render in an immediate mode.
+ glVertexPointer(3, GL_FLOAT, 6 * sizeof(float), this->vertices_and_normals_interleaved.data() + 3);
+ glNormalPointer(GL_FLOAT, 6 * sizeof(float), this->vertices_and_normals_interleaved.data());
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glEnableClientState(GL_NORMAL_ARRAY);
+ if (! this->triangle_indices.empty())
+ glDrawElements(GL_TRIANGLES, GLsizei(std::min(this->triangle_indices_size, tverts_range.second - tverts_range.first)), GL_UNSIGNED_INT, (const void*)(this->triangle_indices.data() + tverts_range.first));
+ if (! this->quad_indices.empty())
+ glDrawElements(GL_QUADS, GLsizei(std::min(this->quad_indices_size, qverts_range.second - qverts_range.first)), GL_UNSIGNED_INT, (const void*)(this->quad_indices.data() + qverts_range.first));
+ }
+
+ glDisableClientState(GL_VERTEX_ARRAY);
+ glDisableClientState(GL_NORMAL_ARRAY);
+}
+
+const float GLVolume::SELECTED_COLOR[4] = { 0.0f, 1.0f, 0.0f, 1.0f };
+const float GLVolume::HOVER_COLOR[4] = { 0.4f, 0.9f, 0.1f, 1.0f };
+const float GLVolume::OUTSIDE_COLOR[4] = { 0.0f, 0.38f, 0.8f, 1.0f };
+const float GLVolume::SELECTED_OUTSIDE_COLOR[4] = { 0.19f, 0.58f, 1.0f, 1.0f };
+
+GLVolume::GLVolume(float r, float g, float b, float a)
+ : m_offset(Vec3d::Zero())
+ , m_rotation(0.0)
+ , m_scaling_factor(1.0)
+ , m_world_matrix(Transform3f::Identity())
+ , m_world_matrix_dirty(true)
+ , m_transformed_bounding_box_dirty(true)
+ , m_transformed_convex_hull_bounding_box_dirty(true)
+ , m_convex_hull(nullptr)
+ , composite_id(-1)
+ , select_group_id(-1)
+ , drag_group_id(-1)
+ , extruder_id(0)
+ , selected(false)
+ , is_active(true)
+ , zoom_to_volumes(true)
+ , shader_outside_printer_detection_enabled(false)
+ , is_outside(false)
+ , hover(false)
+ , is_modifier(false)
+ , is_wipe_tower(false)
+ , is_extrusion_path(false)
+ , tverts_range(0, size_t(-1))
+ , qverts_range(0, size_t(-1))
+{
+ color[0] = r;
+ color[1] = g;
+ color[2] = b;
+ color[3] = a;
+ set_render_color(r, g, b, a);
+}
+
+void GLVolume::set_render_color(float r, float g, float b, float a)
+{
+ render_color[0] = r;
+ render_color[1] = g;
+ render_color[2] = b;
+ render_color[3] = a;
+}
+
+void GLVolume::set_render_color(const float* rgba, unsigned int size)
+{
+ size = std::min((unsigned int)4, size);
+ for (int i = 0; i < size; ++i)
+ {
+ render_color[i] = rgba[i];
+ }
+}
+
+void GLVolume::set_render_color()
+{
+ if (selected)
+ set_render_color(is_outside ? SELECTED_OUTSIDE_COLOR : SELECTED_COLOR, 4);
+ else if (hover)
+ set_render_color(HOVER_COLOR, 4);
+ else if (is_outside && shader_outside_printer_detection_enabled)
+ set_render_color(OUTSIDE_COLOR, 4);
+ else
+ set_render_color(color, 4);
+}
+
+double GLVolume::get_rotation()
+{
+ return m_rotation;
+}
+
+void GLVolume::set_rotation(double rotation)
+{
+ if (m_rotation != rotation)
+ {
+ m_rotation = rotation;
+ m_world_matrix_dirty = true;
+ m_transformed_bounding_box_dirty = true;
+ m_transformed_convex_hull_bounding_box_dirty = true;
+ }
+}
+
+const Vec3d& GLVolume::get_offset() const
+{
+ return m_offset;
+}
+
+void GLVolume::set_offset(const Vec3d& offset)
+{
+ if (m_offset != offset)
+ {
+ m_offset = offset;
+ m_world_matrix_dirty = true;
+ m_transformed_bounding_box_dirty = true;
+ m_transformed_convex_hull_bounding_box_dirty = true;
+ }
+}
+
+void GLVolume::set_scaling_factor(double factor)
+{
+ if (m_scaling_factor != factor)
+ {
+ m_scaling_factor = factor;
+ m_world_matrix_dirty = true;
+ m_transformed_bounding_box_dirty = true;
+ m_transformed_convex_hull_bounding_box_dirty = true;
+ }
+}
+
+void GLVolume::set_convex_hull(const TriangleMesh& convex_hull)
+{
+ m_convex_hull = &convex_hull;
+}
+
+void GLVolume::set_select_group_id(const std::string& select_by)
+{
+ if (select_by == "object")
+ select_group_id = object_idx() * 1000000;
+ else if (select_by == "volume")
+ select_group_id = object_idx() * 1000000 + volume_idx() * 1000;
+ else if (select_by == "instance")
+ select_group_id = composite_id;
+}
+
+void GLVolume::set_drag_group_id(const std::string& drag_by)
+{
+ if (drag_by == "object")
+ drag_group_id = object_idx() * 1000;
+ else if (drag_by == "instance")
+ drag_group_id = object_idx() * 1000 + instance_idx();
+}
+
+const Transform3f& GLVolume::world_matrix() const
+{
+ if (m_world_matrix_dirty)
+ {
+ m_world_matrix = Transform3f::Identity();
+ m_world_matrix.translate(m_offset.cast<float>());
+ m_world_matrix.rotate(Eigen::AngleAxisf((float)m_rotation, Vec3f::UnitZ()));
+ m_world_matrix.scale((float)m_scaling_factor);
+ m_world_matrix_dirty = false;
+ }
+ return m_world_matrix;
+}
+
+const BoundingBoxf3& GLVolume::transformed_bounding_box() const
+{
+ if (m_transformed_bounding_box_dirty)
+ {
+ m_transformed_bounding_box = bounding_box.transformed(world_matrix().cast<double>());
+ m_transformed_bounding_box_dirty = false;
+ }
+
+ return m_transformed_bounding_box;
+}
+
+const BoundingBoxf3& GLVolume::transformed_convex_hull_bounding_box() const
+{
+ if (m_transformed_convex_hull_bounding_box_dirty)
+ {
+ if ((m_convex_hull != nullptr) && (m_convex_hull->stl.stats.number_of_facets > 0))
+ m_transformed_convex_hull_bounding_box = m_convex_hull->transformed_bounding_box(world_matrix().cast<double>());
+ else
+ m_transformed_convex_hull_bounding_box = bounding_box.transformed(world_matrix().cast<double>());
+
+ m_transformed_convex_hull_bounding_box_dirty = false;
+ }
+
+ return m_transformed_convex_hull_bounding_box;
+}
+
+void GLVolume::set_range(double min_z, double max_z)
+{
+ this->qverts_range.first = 0;
+ this->qverts_range.second = this->indexed_vertex_array.quad_indices_size;
+ this->tverts_range.first = 0;
+ this->tverts_range.second = this->indexed_vertex_array.triangle_indices_size;
+ if (! this->print_zs.empty()) {
+ // The Z layer range is specified.
+ // First test whether the Z span of this object is not out of (min_z, max_z) completely.
+ if (this->print_zs.front() > max_z || this->print_zs.back() < min_z) {
+ this->qverts_range.second = 0;
+ this->tverts_range.second = 0;
+ } else {
+ // Then find the lowest layer to be displayed.
+ size_t i = 0;
+ for (; i < this->print_zs.size() && this->print_zs[i] < min_z; ++ i);
+ if (i == this->print_zs.size()) {
+ // This shall not happen.
+ this->qverts_range.second = 0;
+ this->tverts_range.second = 0;
+ } else {
+ // Remember start of the layer.
+ this->qverts_range.first = this->offsets[i * 2];
+ this->tverts_range.first = this->offsets[i * 2 + 1];
+ // Some layers are above $min_z. Which?
+ for (; i < this->print_zs.size() && this->print_zs[i] <= max_z; ++ i);
+ if (i < this->print_zs.size()) {
+ this->qverts_range.second = this->offsets[i * 2];
+ this->tverts_range.second = this->offsets[i * 2 + 1];
+ }
+ }
+ }
+ }
+}
+
+void GLVolume::render() const
+{
+ if (!is_active)
+ return;
+
+ ::glCullFace(GL_BACK);
+ ::glPushMatrix();
+ ::glTranslated(m_offset(0), m_offset(1), m_offset(2));
+ ::glRotated(m_rotation * 180.0 / (double)PI, 0.0, 0.0, 1.0);
+ ::glScaled(m_scaling_factor, m_scaling_factor, m_scaling_factor);
+ if (this->indexed_vertex_array.indexed())
+ this->indexed_vertex_array.render(this->tverts_range, this->qverts_range);
+ else
+ this->indexed_vertex_array.render();
+ ::glPopMatrix();
+}
+
+void GLVolume::render_using_layer_height() const
+{
+ if (!is_active)
+ return;
+
+ GLint current_program_id;
+ glGetIntegerv(GL_CURRENT_PROGRAM, &current_program_id);
+
+ if ((layer_height_texture_data.shader_id > 0) && (layer_height_texture_data.shader_id != current_program_id))
+ glUseProgram(layer_height_texture_data.shader_id);
+
+ GLint z_to_texture_row_id = (layer_height_texture_data.shader_id > 0) ? glGetUniformLocation(layer_height_texture_data.shader_id, "z_to_texture_row") : -1;
+ GLint z_texture_row_to_normalized_id = (layer_height_texture_data.shader_id > 0) ? glGetUniformLocation(layer_height_texture_data.shader_id, "z_texture_row_to_normalized") : -1;
+ GLint z_cursor_id = (layer_height_texture_data.shader_id > 0) ? glGetUniformLocation(layer_height_texture_data.shader_id, "z_cursor") : -1;
+ GLint z_cursor_band_width_id = (layer_height_texture_data.shader_id > 0) ? glGetUniformLocation(layer_height_texture_data.shader_id, "z_cursor_band_width") : -1;
+ GLint world_matrix_id = (layer_height_texture_data.shader_id > 0) ? glGetUniformLocation(layer_height_texture_data.shader_id, "volume_world_matrix") : -1;
+
+ if (z_to_texture_row_id >= 0)
+ glUniform1f(z_to_texture_row_id, (GLfloat)layer_height_texture_z_to_row_id());
+
+ if (z_texture_row_to_normalized_id >= 0)
+ glUniform1f(z_texture_row_to_normalized_id, (GLfloat)(1.0f / layer_height_texture_height()));
+
+ if (z_cursor_id >= 0)
+ glUniform1f(z_cursor_id, (GLfloat)(layer_height_texture_data.print_object->model_object()->bounding_box().max(2) * layer_height_texture_data.z_cursor_relative));
+
+ if (z_cursor_band_width_id >= 0)
+ glUniform1f(z_cursor_band_width_id, (GLfloat)layer_height_texture_data.edit_band_width);
+
+ if (world_matrix_id >= 0)
+ ::glUniformMatrix4fv(world_matrix_id, 1, GL_FALSE, (const GLfloat*)world_matrix().data());
+
+ GLsizei w = (GLsizei)layer_height_texture_width();
+ GLsizei h = (GLsizei)layer_height_texture_height();
+ GLsizei half_w = w / 2;
+ GLsizei half_h = h / 2;
+
+ ::glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ glBindTexture(GL_TEXTURE_2D, layer_height_texture_data.texture_id);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
+ glTexImage2D(GL_TEXTURE_2D, 1, GL_RGBA, half_w, half_h, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
+ glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, layer_height_texture_data_ptr_level0());
+ glTexSubImage2D(GL_TEXTURE_2D, 1, 0, 0, half_w, half_h, GL_RGBA, GL_UNSIGNED_BYTE, layer_height_texture_data_ptr_level1());
+
+ render();
+
+ glBindTexture(GL_TEXTURE_2D, 0);
+
+ if ((current_program_id > 0) && (layer_height_texture_data.shader_id != current_program_id))
+ glUseProgram(current_program_id);
+}
+
+void GLVolume::render_VBOs(int color_id, int detection_id, int worldmatrix_id) const
+{
+ if (!is_active)
+ return;
+
+ if (!indexed_vertex_array.vertices_and_normals_interleaved_VBO_id)
+ return;
+
+ if (layer_height_texture_data.can_use())
+ {
+ ::glDisableClientState(GL_VERTEX_ARRAY);
+ ::glDisableClientState(GL_NORMAL_ARRAY);
+ render_using_layer_height();
+ ::glEnableClientState(GL_VERTEX_ARRAY);
+ ::glEnableClientState(GL_NORMAL_ARRAY);
+ return;
+ }
+
+ GLsizei n_triangles = GLsizei(std::min(indexed_vertex_array.triangle_indices_size, tverts_range.second - tverts_range.first));
+ GLsizei n_quads = GLsizei(std::min(indexed_vertex_array.quad_indices_size, qverts_range.second - qverts_range.first));
+ if (n_triangles + n_quads == 0)
+ {
+ ::glDisableClientState(GL_VERTEX_ARRAY);
+ ::glDisableClientState(GL_NORMAL_ARRAY);
+
+ if (color_id >= 0)
+ {
+ float color[4];
+ ::memcpy((void*)color, (const void*)render_color, 4 * sizeof(float));
+ ::glUniform4fv(color_id, 1, (const GLfloat*)color);
+ }
+ else
+ ::glColor4f(render_color[0], render_color[1], render_color[2], render_color[3]);
+
+ if (detection_id != -1)
+ ::glUniform1i(detection_id, shader_outside_printer_detection_enabled ? 1 : 0);
+
+ if (worldmatrix_id != -1)
+ ::glUniformMatrix4fv(worldmatrix_id, 1, GL_FALSE, (const GLfloat*)world_matrix().data());
+
+ render();
+
+ ::glEnableClientState(GL_VERTEX_ARRAY);
+ ::glEnableClientState(GL_NORMAL_ARRAY);
+
+ return;
+ }
+
+ if (color_id >= 0)
+ ::glUniform4fv(color_id, 1, (const GLfloat*)render_color);
+ else
+ ::glColor4f(render_color[0], render_color[1], render_color[2], render_color[3]);
+
+ if (detection_id != -1)
+ ::glUniform1i(detection_id, shader_outside_printer_detection_enabled ? 1 : 0);
+
+ if (worldmatrix_id != -1)
+ ::glUniformMatrix4fv(worldmatrix_id, 1, GL_FALSE, (const GLfloat*)world_matrix().data());
+
+ ::glBindBuffer(GL_ARRAY_BUFFER, indexed_vertex_array.vertices_and_normals_interleaved_VBO_id);
+ ::glVertexPointer(3, GL_FLOAT, 6 * sizeof(float), (const void*)(3 * sizeof(float)));
+ ::glNormalPointer(GL_FLOAT, 6 * sizeof(float), nullptr);
+
+ ::glPushMatrix();
+ ::glTranslated(m_offset(0), m_offset(1), m_offset(2));
+ ::glRotated(m_rotation * 180.0 / (double)PI, 0.0, 0.0, 1.0);
+ ::glScaled(m_scaling_factor, m_scaling_factor, m_scaling_factor);
+
+ if (n_triangles > 0)
+ {
+ ::glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexed_vertex_array.triangle_indices_VBO_id);
+ ::glDrawElements(GL_TRIANGLES, n_triangles, GL_UNSIGNED_INT, (const void*)(tverts_range.first * 4));
+ }
+ if (n_quads > 0)
+ {
+ ::glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexed_vertex_array.quad_indices_VBO_id);
+ ::glDrawElements(GL_QUADS, n_quads, GL_UNSIGNED_INT, (const void*)(qverts_range.first * 4));
+ }
+
+ ::glPopMatrix();
+}
+
+void GLVolume::render_legacy() const
+{
+ assert(!indexed_vertex_array.vertices_and_normals_interleaved_VBO_id);
+ if (!is_active)
+ return;
+
+ GLsizei n_triangles = GLsizei(std::min(indexed_vertex_array.triangle_indices_size, tverts_range.second - tverts_range.first));
+ GLsizei n_quads = GLsizei(std::min(indexed_vertex_array.quad_indices_size, qverts_range.second - qverts_range.first));
+ if (n_triangles + n_quads == 0)
+ {
+ ::glDisableClientState(GL_VERTEX_ARRAY);
+ ::glDisableClientState(GL_NORMAL_ARRAY);
+
+ ::glColor4f(render_color[0], render_color[1], render_color[2], render_color[3]);
+ render();
+
+ ::glEnableClientState(GL_VERTEX_ARRAY);
+ ::glEnableClientState(GL_NORMAL_ARRAY);
+
+ return;
+ }
+
+ ::glColor4f(render_color[0], render_color[1], render_color[2], render_color[3]);
+ ::glVertexPointer(3, GL_FLOAT, 6 * sizeof(float), indexed_vertex_array.vertices_and_normals_interleaved.data() + 3);
+ ::glNormalPointer(GL_FLOAT, 6 * sizeof(float), indexed_vertex_array.vertices_and_normals_interleaved.data());
+
+ ::glPushMatrix();
+ ::glTranslated(m_offset(0), m_offset(1), m_offset(2));
+ ::glRotated(m_rotation * 180.0 / (double)PI, 0.0, 0.0, 1.0);
+ ::glScaled(m_scaling_factor, m_scaling_factor, m_scaling_factor);
+
+ if (n_triangles > 0)
+ ::glDrawElements(GL_TRIANGLES, n_triangles, GL_UNSIGNED_INT, indexed_vertex_array.triangle_indices.data() + tverts_range.first);
+
+ if (n_quads > 0)
+ ::glDrawElements(GL_QUADS, n_quads, GL_UNSIGNED_INT, indexed_vertex_array.quad_indices.data() + qverts_range.first);
+
+ ::glPopMatrix();
+}
+
+double GLVolume::layer_height_texture_z_to_row_id() const
+{
+ return (this->layer_height_texture.get() == nullptr) ? 0.0 : double(this->layer_height_texture->cells - 1) / (double(this->layer_height_texture->width) * this->layer_height_texture_data.print_object->model_object()->bounding_box().max(2));
+}
+
+void GLVolume::generate_layer_height_texture(const PrintObject *print_object, bool force)
+{
+ LayersTexture *tex = this->layer_height_texture.get();
+ if (tex == nullptr)
+ // No layer_height_texture is assigned to this GLVolume, therefore the layer height texture cannot be filled.
+ return;
+
+ // Always try to update the layer height profile.
+ bool update = print_object->update_layer_height_profile(const_cast<ModelObject*>(print_object->model_object())->layer_height_profile) || force;
+ // Update if the layer height profile was changed, or when the texture is not valid.
+ if (! update && ! tex->data.empty() && tex->cells > 0)
+ // Texture is valid, don't update.
+ return;
+
+ if (tex->data.empty()) {
+ tex->width = 1024;
+ tex->height = 1024;
+ tex->levels = 2;
+ tex->data.assign(tex->width * tex->height * 5, 0);
+ }
+
+ SlicingParameters slicing_params = print_object->slicing_parameters();
+ bool level_of_detail_2nd_level = true;
+ tex->cells = Slic3r::generate_layer_height_texture(
+ slicing_params,
+ Slic3r::generate_object_layers(slicing_params, print_object->model_object()->layer_height_profile),
+ tex->data.data(), tex->height, tex->width, level_of_detail_2nd_level);
+}
+
+// 512x512 bitmaps are supported everywhere, but that may not be sufficent for super large print volumes.
+#define LAYER_HEIGHT_TEXTURE_WIDTH 1024
+#define LAYER_HEIGHT_TEXTURE_HEIGHT 1024
+
+std::vector<int> GLVolumeCollection::load_object(
+ const ModelObject *model_object,
+ int obj_idx,
+ const std::vector<int> &instance_idxs,
+ const std::string &color_by,
+ const std::string &select_by,
+ const std::string &drag_by,
+ bool use_VBOs)
+{
+ static float colors[4][4] = {
+ { 1.0f, 1.0f, 0.0f, 1.f },
+ { 1.0f, 0.5f, 0.5f, 1.f },
+ { 0.5f, 1.0f, 0.5f, 1.f },
+ { 0.5f, 0.5f, 1.0f, 1.f }
+ };
+
+ // Object will have a single common layer height texture for all volumes.
+ std::shared_ptr<LayersTexture> layer_height_texture = std::make_shared<LayersTexture>();
+
+ std::vector<int> volumes_idx;
+ for (int volume_idx = 0; volume_idx < int(model_object->volumes.size()); ++ volume_idx) {
+ const ModelVolume *model_volume = model_object->volumes[volume_idx];
+
+ int extruder_id = -1;
+ if (model_volume->is_model_part())
+ {
+ extruder_id = model_volume->config.has("extruder") ? model_volume->config.option("extruder")->getInt() : 0;
+ if (extruder_id == 0)
+ extruder_id = model_object->config.has("extruder") ? model_object->config.option("extruder")->getInt() : 0;
+ }
+
+ for (int instance_idx : instance_idxs) {
+ const ModelInstance *instance = model_object->instances[instance_idx];
+ TriangleMesh mesh = model_volume->mesh;
+ volumes_idx.push_back(int(this->volumes.size()));
+ float color[4];
+ memcpy(color, colors[((color_by == "volume") ? volume_idx : obj_idx) % 4], sizeof(float) * 3);
+ if (model_volume->is_support_blocker()) {
+ color[0] = 1.0f;
+ color[1] = 0.2f;
+ color[2] = 0.2f;
+ } else if (model_volume->is_support_enforcer()) {
+ color[0] = 0.2f;
+ color[1] = 0.2f;
+ color[2] = 1.0f;
+ }
+ color[3] = model_volume->is_model_part() ? 1.f : 0.5f;
+ this->volumes.emplace_back(new GLVolume(color));
+ GLVolume &v = *this->volumes.back();
+ if (use_VBOs)
+ v.indexed_vertex_array.load_mesh_full_shading(mesh);
+ else
+ v.indexed_vertex_array.load_mesh_flat_shading(mesh);
+
+ // finalize_geometry() clears the vertex arrays, therefore the bounding box has to be computed before finalize_geometry().
+ v.bounding_box = v.indexed_vertex_array.bounding_box();
+ v.indexed_vertex_array.finalize_geometry(use_VBOs);
+ v.composite_id = obj_idx * 1000000 + volume_idx * 1000 + instance_idx;
+ v.set_select_group_id(select_by);
+ v.set_drag_group_id(drag_by);
+ if (model_volume->is_model_part())
+ {
+ v.set_convex_hull(model_volume->get_convex_hull());
+ v.layer_height_texture = layer_height_texture;
+ if (extruder_id != -1)
+ v.extruder_id = extruder_id;
+ }
+ v.is_modifier = ! model_volume->is_model_part();
+ v.shader_outside_printer_detection_enabled = model_volume->is_model_part();
+#if ENABLE_MODELINSTANCE_3D_OFFSET
+ v.set_offset(instance->get_offset());
+#else
+ v.set_offset(Vec3d(instance->offset(0), instance->offset(1), 0.0));
+#endif // ENABLE_MODELINSTANCE_3D_OFFSET
+ v.set_rotation(instance->rotation);
+ v.set_scaling_factor(instance->scaling_factor);
+ }
+ }
+
+ return volumes_idx;
+}
+
+
+int GLVolumeCollection::load_wipe_tower_preview(
+ int obj_idx, float pos_x, float pos_y, float width, float depth, float height, float rotation_angle, bool use_VBOs, bool size_unknown, float brim_width)
+{
+ if (depth < 0.01f)
+ return int(this->volumes.size() - 1);
+ if (height == 0.0f)
+ height = 0.1f;
+ Point origin_of_rotation(0.f, 0.f);
+ TriangleMesh mesh;
+ float color[4] = { 0.5f, 0.5f, 0.0f, 1.f };
+
+ // In case we don't know precise dimensions of the wipe tower yet, we'll draw the box with different color with one side jagged:
+ if (size_unknown) {
+ color[0] = 0.9f;
+ color[1] = 0.6f;
+
+ depth = std::max(depth, 10.f); // Too narrow tower would interfere with the teeth. The estimate is not precise anyway.
+ float min_width = 30.f;
+ // We'll now create the box with jagged edge. y-coordinates of the pre-generated model are shifted so that the front
+ // edge has y=0 and centerline of the back edge has y=depth:
+ Pointf3s points;
+ std::vector<Vec3crd> facets;
+ float out_points_idx[][3] = {{0, -depth, 0}, {0, 0, 0}, {38.453, 0, 0}, {61.547, 0, 0}, {100, 0, 0}, {100, -depth, 0}, {55.7735, -10, 0}, {44.2265, 10, 0},
+ {38.453, 0, 1}, {0, 0, 1}, {0, -depth, 1}, {100, -depth, 1}, {100, 0, 1}, {61.547, 0, 1}, {55.7735, -10, 1}, {44.2265, 10, 1}};
+ int out_facets_idx[][3] = {{0, 1, 2}, {3, 4, 5}, {6, 5, 0}, {3, 5, 6}, {6, 2, 7}, {6, 0, 2}, {8, 9, 10}, {11, 12, 13}, {10, 11, 14}, {14, 11, 13}, {15, 8, 14},
+ {8, 10, 14}, {3, 12, 4}, {3, 13, 12}, {6, 13, 3}, {6, 14, 13}, {7, 14, 6}, {7, 15, 14}, {2, 15, 7}, {2, 8, 15}, {1, 8, 2}, {1, 9, 8},
+ {0, 9, 1}, {0, 10, 9}, {5, 10, 0}, {5, 11, 10}, {4, 11, 5}, {4, 12, 11}};
+ for (int i=0;i<16;++i)
+ points.push_back(Vec3d(out_points_idx[i][0] / (100.f/min_width), out_points_idx[i][1] + depth, out_points_idx[i][2]));
+ for (int i=0;i<28;++i)
+ facets.push_back(Vec3crd(out_facets_idx[i][0], out_facets_idx[i][1], out_facets_idx[i][2]));
+ TriangleMesh tooth_mesh(points, facets);
+
+ // We have the mesh ready. It has one tooth and width of min_width. We will now append several of these together until we are close to
+ // the required width of the block. Than we can scale it precisely.
+ size_t n = std::max(1, int(width/min_width)); // How many shall be merged?
+ for (size_t i=0;i<n;++i) {
+ mesh.merge(tooth_mesh);
+ tooth_mesh.translate(min_width, 0.f, 0.f);
+ }
+
+ mesh.scale(Vec3d(width/(n*min_width), 1.f, height)); // Scaling to proper width
+ }
+ else
+ mesh = make_cube(width, depth, height);
+
+ // We'll make another mesh to show the brim (fixed layer height):
+ TriangleMesh brim_mesh = make_cube(width+2.f*brim_width, depth+2.f*brim_width, 0.2f);
+ brim_mesh.translate(-brim_width, -brim_width, 0.f);
+ mesh.merge(brim_mesh);
+
+ mesh.rotate(rotation_angle, &origin_of_rotation); // rotates the box according to the config rotation setting
+
+ this->volumes.emplace_back(new GLVolume(color));
+ GLVolume &v = *this->volumes.back();
+
+ if (use_VBOs)
+ v.indexed_vertex_array.load_mesh_full_shading(mesh);
+ else
+ v.indexed_vertex_array.load_mesh_flat_shading(mesh);
+
+ v.set_offset(Vec3d(pos_x, pos_y, 0.0));
+
+ // finalize_geometry() clears the vertex arrays, therefore the bounding box has to be computed before finalize_geometry().
+ v.bounding_box = v.indexed_vertex_array.bounding_box();
+ v.indexed_vertex_array.finalize_geometry(use_VBOs);
+ v.composite_id = obj_idx * 1000000;
+ v.select_group_id = obj_idx * 1000000;
+ v.drag_group_id = obj_idx * 1000;
+ v.is_wipe_tower = true;
+ v.shader_outside_printer_detection_enabled = ! size_unknown;
+ return int(this->volumes.size() - 1);
+}
+
+void GLVolumeCollection::render_VBOs() const
+{
+ ::glEnable(GL_BLEND);
+ ::glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+ ::glCullFace(GL_BACK);
+ ::glEnableClientState(GL_VERTEX_ARRAY);
+ ::glEnableClientState(GL_NORMAL_ARRAY);
+
+ GLint current_program_id;
+ ::glGetIntegerv(GL_CURRENT_PROGRAM, &current_program_id);
+ GLint color_id = (current_program_id > 0) ? glGetUniformLocation(current_program_id, "uniform_color") : -1;
+ GLint print_box_min_id = (current_program_id > 0) ? glGetUniformLocation(current_program_id, "print_box.min") : -1;
+ GLint print_box_max_id = (current_program_id > 0) ? glGetUniformLocation(current_program_id, "print_box.max") : -1;
+ GLint print_box_detection_id = (current_program_id > 0) ? glGetUniformLocation(current_program_id, "print_box.volume_detection") : -1;
+ GLint print_box_worldmatrix_id = (current_program_id > 0) ? glGetUniformLocation(current_program_id, "print_box.volume_world_matrix") : -1;
+
+ if (print_box_min_id != -1)
+ ::glUniform3fv(print_box_min_id, 1, (const GLfloat*)print_box_min);
+
+ if (print_box_max_id != -1)
+ ::glUniform3fv(print_box_max_id, 1, (const GLfloat*)print_box_max);
+
+ for (GLVolume *volume : this->volumes)
+ {
+ if (volume->layer_height_texture_data.can_use())
+ volume->generate_layer_height_texture(volume->layer_height_texture_data.print_object, false);
+ else
+ volume->set_render_color();
+
+ volume->render_VBOs(color_id, print_box_detection_id, print_box_worldmatrix_id);
+ }
+
+ ::glBindBuffer(GL_ARRAY_BUFFER, 0);
+ ::glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
+
+ ::glDisableClientState(GL_VERTEX_ARRAY);
+ ::glDisableClientState(GL_NORMAL_ARRAY);
+
+ ::glDisable(GL_BLEND);
+}
+
+void GLVolumeCollection::render_legacy() const
+{
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+ glCullFace(GL_BACK);
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glEnableClientState(GL_NORMAL_ARRAY);
+
+ for (GLVolume *volume : this->volumes)
+ {
+ volume->set_render_color();
+ volume->render_legacy();
+ }
+
+ glDisableClientState(GL_VERTEX_ARRAY);
+ glDisableClientState(GL_NORMAL_ARRAY);
+
+ glDisable(GL_BLEND);
+}
+
+bool GLVolumeCollection::check_outside_state(const DynamicPrintConfig* config, ModelInstance::EPrintVolumeState* out_state)
+{
+ if (config == nullptr)
+ return false;
+
+ const ConfigOptionPoints* opt = dynamic_cast<const ConfigOptionPoints*>(config->option("bed_shape"));
+ if (opt == nullptr)
+ return false;
+
+ BoundingBox bed_box_2D = get_extents(Polygon::new_scale(opt->values));
+ BoundingBoxf3 print_volume(Vec3d(unscale<double>(bed_box_2D.min(0)), unscale<double>(bed_box_2D.min(1)), 0.0), Vec3d(unscale<double>(bed_box_2D.max(0)), unscale<double>(bed_box_2D.max(1)), config->opt_float("max_print_height")));
+ // Allow the objects to protrude below the print bed
+ print_volume.min(2) = -1e10;
+
+ ModelInstance::EPrintVolumeState state = ModelInstance::PVS_Inside;
+ bool all_contained = true;
+
+ for (GLVolume* volume : this->volumes)
+ {
+ if ((volume != nullptr) && !volume->is_modifier && (!volume->is_wipe_tower || (volume->is_wipe_tower && volume->shader_outside_printer_detection_enabled)))
+ {
+ const BoundingBoxf3& bb = volume->transformed_convex_hull_bounding_box();
+ bool contained = print_volume.contains(bb);
+ all_contained &= contained;
+
+ volume->is_outside = !contained;
+
+ if ((state == ModelInstance::PVS_Inside) && volume->is_outside)
+ state = ModelInstance::PVS_Fully_Outside;
+
+ if ((state == ModelInstance::PVS_Fully_Outside) && volume->is_outside && print_volume.intersects(bb))
+ state = ModelInstance::PVS_Partly_Outside;
+ }
+ }
+
+ if (out_state != nullptr)
+ *out_state = state;
+
+ return all_contained;
+}
+
+void GLVolumeCollection::reset_outside_state()
+{
+ for (GLVolume* volume : this->volumes)
+ {
+ if (volume != nullptr)
+ volume->is_outside = false;
+ }
+}
+
+void GLVolumeCollection::update_colors_by_extruder(const DynamicPrintConfig* config)
+{
+ static const float inv_255 = 1.0f / 255.0f;
+
+ struct Color
+ {
+ std::string text;
+ unsigned char rgb[3];
+
+ Color()
+ : text("")
+ {
+ rgb[0] = 255;
+ rgb[1] = 255;
+ rgb[2] = 255;
+ }
+
+ void set(const std::string& text, unsigned char* rgb)
+ {
+ this->text = text;
+ ::memcpy((void*)this->rgb, (const void*)rgb, 3 * sizeof(unsigned char));
+ }
+ };
+
+ if (config == nullptr)
+ return;
+
+ const ConfigOptionStrings* extruders_opt = dynamic_cast<const ConfigOptionStrings*>(config->option("extruder_colour"));
+ if (extruders_opt == nullptr)
+ return;
+
+ const ConfigOptionStrings* filamemts_opt = dynamic_cast<const ConfigOptionStrings*>(config->option("filament_colour"));
+ if (filamemts_opt == nullptr)
+ return;
+
+ unsigned int colors_count = std::max((unsigned int)extruders_opt->values.size(), (unsigned int)filamemts_opt->values.size());
+ if (colors_count == 0)
+ return;
+
+ std::vector<Color> colors(colors_count);
+
+ unsigned char rgb[3];
+ for (unsigned int i = 0; i < colors_count; ++i)
+ {
+ const std::string& txt_color = config->opt_string("extruder_colour", i);
+ if (PresetBundle::parse_color(txt_color, rgb))
+ {
+ colors[i].set(txt_color, rgb);
+ }
+ else
+ {
+ const std::string& txt_color = config->opt_string("filament_colour", i);
+ if (PresetBundle::parse_color(txt_color, rgb))
+ colors[i].set(txt_color, rgb);
+ }
+ }
+
+ for (GLVolume* volume : volumes)
+ {
+ if ((volume == nullptr) || volume->is_modifier || volume->is_wipe_tower)
+ continue;
+
+ int extruder_id = volume->extruder_id - 1;
+ if ((extruder_id < 0) || ((unsigned int)colors.size() <= extruder_id))
+ extruder_id = 0;
+
+ const Color& color = colors[extruder_id];
+ if (!color.text.empty())
+ {
+ for (int i = 0; i < 3; ++i)
+ {
+ volume->color[i] = (float)color.rgb[i] * inv_255;
+ }
+ }
+ }
+}
+
+void GLVolumeCollection::set_select_by(const std::string& select_by)
+{
+ for (GLVolume *vol : this->volumes)
+ {
+ if (vol != nullptr)
+ vol->set_select_group_id(select_by);
+ }
+}
+
+void GLVolumeCollection::set_drag_by(const std::string& drag_by)
+{
+ for (GLVolume *vol : this->volumes)
+ {
+ if (vol != nullptr)
+ vol->set_drag_group_id(drag_by);
+ }
+}
+
+std::vector<double> GLVolumeCollection::get_current_print_zs(bool active_only) const
+{
+ // Collect layer top positions of all volumes.
+ std::vector<double> print_zs;
+ for (GLVolume *vol : this->volumes)
+ {
+ if (!active_only || vol->is_active)
+ append(print_zs, vol->print_zs);
+ }
+ std::sort(print_zs.begin(), print_zs.end());
+
+ // Replace intervals of layers with similar top positions with their average value.
+ int n = int(print_zs.size());
+ int k = 0;
+ for (int i = 0; i < n;) {
+ int j = i + 1;
+ coordf_t zmax = print_zs[i] + EPSILON;
+ for (; j < n && print_zs[j] <= zmax; ++ j) ;
+ print_zs[k ++] = (j > i + 1) ? (0.5 * (print_zs[i] + print_zs[j - 1])) : print_zs[i];
+ i = j;
+ }
+ if (k < n)
+ print_zs.erase(print_zs.begin() + k, print_zs.end());
+
+ return print_zs;
+}
+
+// caller is responsible for supplying NO lines with zero length
+static void thick_lines_to_indexed_vertex_array(
+ const Lines &lines,
+ const std::vector<double> &widths,
+ const std::vector<double> &heights,
+ bool closed,
+ double top_z,
+ GLIndexedVertexArray &volume)
+{
+ assert(! lines.empty());
+ if (lines.empty())
+ return;
+
+#define LEFT 0
+#define RIGHT 1
+#define TOP 2
+#define BOTTOM 3
+
+ // right, left, top, bottom
+ int idx_prev[4] = { -1, -1, -1, -1 };
+ double bottom_z_prev = 0.;
+ Vec2d b1_prev(Vec2d::Zero());
+ Vec2d v_prev(Vec2d::Zero());
+ int idx_initial[4] = { -1, -1, -1, -1 };
+ double width_initial = 0.;
+ double bottom_z_initial = 0.0;
+
+ // loop once more in case of closed loops
+ size_t lines_end = closed ? (lines.size() + 1) : lines.size();
+ for (size_t ii = 0; ii < lines_end; ++ ii) {
+ size_t i = (ii == lines.size()) ? 0 : ii;
+ const Line &line = lines[i];
+ double len = unscale<double>(line.length());
+ double inv_len = 1.0 / len;
+ double bottom_z = top_z - heights[i];
+ double middle_z = 0.5 * (top_z + bottom_z);
+ double width = widths[i];
+
+ bool is_first = (ii == 0);
+ bool is_last = (ii == lines_end - 1);
+ bool is_closing = closed && is_last;
+
+ Vec2d v = unscale(line.vector());
+ v *= inv_len;
+
+ Vec2d a = unscale(line.a);
+ Vec2d b = unscale(line.b);
+ Vec2d a1 = a;
+ Vec2d a2 = a;
+ Vec2d b1 = b;
+ Vec2d b2 = b;
+ {
+ double dist = 0.5 * width; // scaled
+ double dx = dist * v(0);
+ double dy = dist * v(1);
+ a1 += Vec2d(+dy, -dx);
+ a2 += Vec2d(-dy, +dx);
+ b1 += Vec2d(+dy, -dx);
+ b2 += Vec2d(-dy, +dx);
+ }
+
+ // calculate new XY normals
+ Vector n = line.normal();
+ Vec3d xy_right_normal = unscale(n(0), n(1), 0);
+ xy_right_normal *= inv_len;
+
+ int idx_a[4];
+ int idx_b[4];
+ int idx_last = int(volume.vertices_and_normals_interleaved.size() / 6);
+
+ bool bottom_z_different = bottom_z_prev != bottom_z;
+ bottom_z_prev = bottom_z;
+
+ if (!is_first && bottom_z_different)
+ {
+ // Found a change of the layer thickness -> Add a cap at the end of the previous segment.
+ volume.push_quad(idx_b[BOTTOM], idx_b[LEFT], idx_b[TOP], idx_b[RIGHT]);
+ }
+
+ // Share top / bottom vertices if possible.
+ if (is_first) {
+ idx_a[TOP] = idx_last++;
+ volume.push_geometry(a(0), a(1), top_z , 0., 0., 1.);
+ } else {
+ idx_a[TOP] = idx_prev[TOP];
+ }
+
+ if (is_first || bottom_z_different) {
+ // Start of the 1st line segment or a change of the layer thickness while maintaining the print_z.
+ idx_a[BOTTOM] = idx_last ++;
+ volume.push_geometry(a(0), a(1), bottom_z, 0., 0., -1.);
+ idx_a[LEFT ] = idx_last ++;
+ volume.push_geometry(a2(0), a2(1), middle_z, -xy_right_normal(0), -xy_right_normal(1), -xy_right_normal(2));
+ idx_a[RIGHT] = idx_last ++;
+ volume.push_geometry(a1(0), a1(1), middle_z, xy_right_normal(0), xy_right_normal(1), xy_right_normal(2));
+ }
+ else {
+ idx_a[BOTTOM] = idx_prev[BOTTOM];
+ }
+
+ if (is_first) {
+ // Start of the 1st line segment.
+ width_initial = width;
+ bottom_z_initial = bottom_z;
+ memcpy(idx_initial, idx_a, sizeof(int) * 4);
+ } else {
+ // Continuing a previous segment.
+ // Share left / right vertices if possible.
+ double v_dot = v_prev.dot(v);
+ bool sharp = v_dot < 0.707; // sin(45 degrees)
+ if (sharp) {
+ if (!bottom_z_different)
+ {
+ // Allocate new left / right points for the start of this segment as these points will receive their own normals to indicate a sharp turn.
+ idx_a[RIGHT] = idx_last++;
+ volume.push_geometry(a1(0), a1(1), middle_z, xy_right_normal(0), xy_right_normal(1), xy_right_normal(2));
+ idx_a[LEFT] = idx_last++;
+ volume.push_geometry(a2(0), a2(1), middle_z, -xy_right_normal(0), -xy_right_normal(1), -xy_right_normal(2));
+ }
+ }
+ if (v_dot > 0.9) {
+ if (!bottom_z_different)
+ {
+ // The two successive segments are nearly collinear.
+ idx_a[LEFT ] = idx_prev[LEFT];
+ idx_a[RIGHT] = idx_prev[RIGHT];
+ }
+ }
+ else if (!sharp) {
+ if (!bottom_z_different)
+ {
+ // Create a sharp corner with an overshot and average the left / right normals.
+ // At the crease angle of 45 degrees, the overshot at the corner will be less than (1-1/cos(PI/8)) = 8.2% over an arc.
+ Vec2d intersection(Vec2d::Zero());
+ Geometry::ray_ray_intersection(b1_prev, v_prev, a1, v, intersection);
+ a1 = intersection;
+ a2 = 2. * a - intersection;
+ assert((a - a1).norm() < width);
+ assert((a - a2).norm() < width);
+ float *n_left_prev = volume.vertices_and_normals_interleaved.data() + idx_prev[LEFT ] * 6;
+ float *p_left_prev = n_left_prev + 3;
+ float *n_right_prev = volume.vertices_and_normals_interleaved.data() + idx_prev[RIGHT] * 6;
+ float *p_right_prev = n_right_prev + 3;
+ p_left_prev [0] = float(a2(0));
+ p_left_prev [1] = float(a2(1));
+ p_right_prev[0] = float(a1(0));
+ p_right_prev[1] = float(a1(1));
+ xy_right_normal(0) += n_right_prev[0];
+ xy_right_normal(1) += n_right_prev[1];
+ xy_right_normal *= 1. / xy_right_normal.norm();
+ n_left_prev [0] = float(-xy_right_normal(0));
+ n_left_prev [1] = float(-xy_right_normal(1));
+ n_right_prev[0] = float( xy_right_normal(0));
+ n_right_prev[1] = float( xy_right_normal(1));
+ idx_a[LEFT ] = idx_prev[LEFT ];
+ idx_a[RIGHT] = idx_prev[RIGHT];
+ }
+ }
+ else if (cross2(v_prev, v) > 0.) {
+ // Right turn. Fill in the right turn wedge.
+ volume.push_triangle(idx_prev[RIGHT], idx_a [RIGHT], idx_prev[TOP] );
+ volume.push_triangle(idx_prev[RIGHT], idx_prev[BOTTOM], idx_a [RIGHT] );
+ } else {
+ // Left turn. Fill in the left turn wedge.
+ volume.push_triangle(idx_prev[LEFT], idx_prev[TOP], idx_a [LEFT] );
+ volume.push_triangle(idx_prev[LEFT], idx_a [LEFT], idx_prev[BOTTOM]);
+ }
+ if (is_closing) {
+ if (!sharp) {
+ if (!bottom_z_different)
+ {
+ // Closing a loop with smooth transition. Unify the closing left / right vertices.
+ memcpy(volume.vertices_and_normals_interleaved.data() + idx_initial[LEFT ] * 6, volume.vertices_and_normals_interleaved.data() + idx_prev[LEFT ] * 6, sizeof(float) * 6);
+ memcpy(volume.vertices_and_normals_interleaved.data() + idx_initial[RIGHT] * 6, volume.vertices_and_normals_interleaved.data() + idx_prev[RIGHT] * 6, sizeof(float) * 6);
+ volume.vertices_and_normals_interleaved.erase(volume.vertices_and_normals_interleaved.end() - 12, volume.vertices_and_normals_interleaved.end());
+ // Replace the left / right vertex indices to point to the start of the loop.
+ for (size_t u = volume.quad_indices.size() - 16; u < volume.quad_indices.size(); ++ u) {
+ if (volume.quad_indices[u] == idx_prev[LEFT])
+ volume.quad_indices[u] = idx_initial[LEFT];
+ else if (volume.quad_indices[u] == idx_prev[RIGHT])
+ volume.quad_indices[u] = idx_initial[RIGHT];
+ }
+ }
+ }
+ // This is the last iteration, only required to solve the transition.
+ break;
+ }
+ }
+
+ // Only new allocate top / bottom vertices, if not closing a loop.
+ if (is_closing) {
+ idx_b[TOP] = idx_initial[TOP];
+ } else {
+ idx_b[TOP] = idx_last ++;
+ volume.push_geometry(b(0), b(1), top_z , 0., 0., 1.);
+ }
+
+ if (is_closing && (width == width_initial) && (bottom_z == bottom_z_initial)) {
+ idx_b[BOTTOM] = idx_initial[BOTTOM];
+ } else {
+ idx_b[BOTTOM] = idx_last ++;
+ volume.push_geometry(b(0), b(1), bottom_z, 0., 0., -1.);
+ }
+ // Generate new vertices for the end of this line segment.
+ idx_b[LEFT ] = idx_last ++;
+ volume.push_geometry(b2(0), b2(1), middle_z, -xy_right_normal(0), -xy_right_normal(1), -xy_right_normal(2));
+ idx_b[RIGHT ] = idx_last ++;
+ volume.push_geometry(b1(0), b1(1), middle_z, xy_right_normal(0), xy_right_normal(1), xy_right_normal(2));
+
+ memcpy(idx_prev, idx_b, 4 * sizeof(int));
+ bottom_z_prev = bottom_z;
+ b1_prev = b1;
+ v_prev = v;
+
+ if (bottom_z_different && (closed || (!is_first && !is_last)))
+ {
+ // Found a change of the layer thickness -> Add a cap at the beginning of this segment.
+ volume.push_quad(idx_a[BOTTOM], idx_a[RIGHT], idx_a[TOP], idx_a[LEFT]);
+ }
+
+ if (! closed) {
+ // Terminate open paths with caps.
+ if (is_first)
+ volume.push_quad(idx_a[BOTTOM], idx_a[RIGHT], idx_a[TOP], idx_a[LEFT]);
+ // We don't use 'else' because both cases are true if we have only one line.
+ if (is_last)
+ volume.push_quad(idx_b[BOTTOM], idx_b[LEFT], idx_b[TOP], idx_b[RIGHT]);
+ }
+
+ // Add quads for a straight hollow tube-like segment.
+ // bottom-right face
+ volume.push_quad(idx_a[BOTTOM], idx_b[BOTTOM], idx_b[RIGHT], idx_a[RIGHT]);
+ // top-right face
+ volume.push_quad(idx_a[RIGHT], idx_b[RIGHT], idx_b[TOP], idx_a[TOP]);
+ // top-left face
+ volume.push_quad(idx_a[TOP], idx_b[TOP], idx_b[LEFT], idx_a[LEFT]);
+ // bottom-left face
+ volume.push_quad(idx_a[LEFT], idx_b[LEFT], idx_b[BOTTOM], idx_a[BOTTOM]);
+ }
+
+#undef LEFT
+#undef RIGHT
+#undef TOP
+#undef BOTTOM
+}
+
+// caller is responsible for supplying NO lines with zero length
+static void thick_lines_to_indexed_vertex_array(const Lines3& lines,
+ const std::vector<double>& widths,
+ const std::vector<double>& heights,
+ bool closed,
+ GLIndexedVertexArray& volume)
+{
+ assert(!lines.empty());
+ if (lines.empty())
+ return;
+
+#define LEFT 0
+#define RIGHT 1
+#define TOP 2
+#define BOTTOM 3
+
+ // left, right, top, bottom
+ int idx_initial[4] = { -1, -1, -1, -1 };
+ int idx_prev[4] = { -1, -1, -1, -1 };
+ double z_prev = 0.0;
+ Vec3d n_right_prev = Vec3d::Zero();
+ Vec3d n_top_prev = Vec3d::Zero();
+ Vec3d unit_v_prev = Vec3d::Zero();
+ double width_initial = 0.0;
+
+ // new vertices around the line endpoints
+ // left, right, top, bottom
+ Vec3d a[4] = { Vec3d::Zero(), Vec3d::Zero(), Vec3d::Zero(), Vec3d::Zero() };
+ Vec3d b[4] = { Vec3d::Zero(), Vec3d::Zero(), Vec3d::Zero(), Vec3d::Zero() };
+
+ // loop once more in case of closed loops
+ size_t lines_end = closed ? (lines.size() + 1) : lines.size();
+ for (size_t ii = 0; ii < lines_end; ++ii)
+ {
+ size_t i = (ii == lines.size()) ? 0 : ii;
+
+ const Line3& line = lines[i];
+ double height = heights[i];
+ double width = widths[i];
+
+ Vec3d unit_v = unscale(line.vector()).normalized();
+
+ Vec3d n_top = Vec3d::Zero();
+ Vec3d n_right = Vec3d::Zero();
+ Vec3d unit_positive_z(0.0, 0.0, 1.0);
+
+ if ((line.a(0) == line.b(0)) && (line.a(1) == line.b(1)))
+ {
+ // vertical segment
+ n_right = (line.a(2) < line.b(2)) ? Vec3d(-1.0, 0.0, 0.0) : Vec3d(1.0, 0.0, 0.0);
+ n_top = Vec3d(0.0, 1.0, 0.0);
+ }
+ else
+ {
+ // generic segment
+ n_right = unit_v.cross(unit_positive_z).normalized();
+ n_top = n_right.cross(unit_v).normalized();
+ }
+
+ Vec3d rl_displacement = 0.5 * width * n_right;
+ Vec3d tb_displacement = 0.5 * height * n_top;
+ Vec3d l_a = unscale(line.a);
+ Vec3d l_b = unscale(line.b);
+
+ a[RIGHT] = l_a + rl_displacement;
+ a[LEFT] = l_a - rl_displacement;
+ a[TOP] = l_a + tb_displacement;
+ a[BOTTOM] = l_a - tb_displacement;
+ b[RIGHT] = l_b + rl_displacement;
+ b[LEFT] = l_b - rl_displacement;
+ b[TOP] = l_b + tb_displacement;
+ b[BOTTOM] = l_b - tb_displacement;
+
+ Vec3d n_bottom = -n_top;
+ Vec3d n_left = -n_right;
+
+ int idx_a[4];
+ int idx_b[4];
+ int idx_last = int(volume.vertices_and_normals_interleaved.size() / 6);
+
+ bool z_different = (z_prev != l_a(2));
+ z_prev = l_b(2);
+
+ // Share top / bottom vertices if possible.
+ if (ii == 0)
+ {
+ idx_a[TOP] = idx_last++;
+ volume.push_geometry(a[TOP], n_top);
+ }
+ else
+ idx_a[TOP] = idx_prev[TOP];
+
+ if ((ii == 0) || z_different)
+ {
+ // Start of the 1st line segment or a change of the layer thickness while maintaining the print_z.
+ idx_a[BOTTOM] = idx_last++;
+ volume.push_geometry(a[BOTTOM], n_bottom);
+ idx_a[LEFT] = idx_last++;
+ volume.push_geometry(a[LEFT], n_left);
+ idx_a[RIGHT] = idx_last++;
+ volume.push_geometry(a[RIGHT], n_right);
+ }
+ else
+ idx_a[BOTTOM] = idx_prev[BOTTOM];
+
+ if (ii == 0)
+ {
+ // Start of the 1st line segment.
+ width_initial = width;
+ ::memcpy(idx_initial, idx_a, sizeof(int) * 4);
+ }
+ else
+ {
+ // Continuing a previous segment.
+ // Share left / right vertices if possible.
+ double v_dot = unit_v_prev.dot(unit_v);
+ bool is_sharp = v_dot < 0.707; // sin(45 degrees)
+ bool is_right_turn = n_top_prev.dot(unit_v_prev.cross(unit_v)) > 0.0;
+
+ if (is_sharp)
+ {
+ // Allocate new left / right points for the start of this segment as these points will receive their own normals to indicate a sharp turn.
+ idx_a[RIGHT] = idx_last++;
+ volume.push_geometry(a[RIGHT], n_right);
+ idx_a[LEFT] = idx_last++;
+ volume.push_geometry(a[LEFT], n_left);
+ }
+
+ if (v_dot > 0.9)
+ {
+ // The two successive segments are nearly collinear.
+ idx_a[LEFT] = idx_prev[LEFT];
+ idx_a[RIGHT] = idx_prev[RIGHT];
+ }
+ else if (!is_sharp)
+ {
+ // Create a sharp corner with an overshot and average the left / right normals.
+ // At the crease angle of 45 degrees, the overshot at the corner will be less than (1-1/cos(PI/8)) = 8.2% over an arc.
+
+ // averages normals
+ Vec3d average_n_right = 0.5 * (n_right + n_right_prev).normalized();
+ Vec3d average_n_left = -average_n_right;
+ Vec3d average_rl_displacement = 0.5 * width * average_n_right;
+
+ // updates vertices around a
+ a[RIGHT] = l_a + average_rl_displacement;
+ a[LEFT] = l_a - average_rl_displacement;
+
+ // updates previous line normals
+ float* normal_left_prev = volume.vertices_and_normals_interleaved.data() + idx_prev[LEFT] * 6;
+ normal_left_prev[0] = float(average_n_left(0));
+ normal_left_prev[1] = float(average_n_left(1));
+ normal_left_prev[2] = float(average_n_left(2));
+
+ float* normal_right_prev = volume.vertices_and_normals_interleaved.data() + idx_prev[RIGHT] * 6;
+ normal_right_prev[0] = float(average_n_right(0));
+ normal_right_prev[1] = float(average_n_right(1));
+ normal_right_prev[2] = float(average_n_right(2));
+
+ // updates previous line's vertices around b
+ float* b_left_prev = normal_left_prev + 3;
+ b_left_prev[0] = float(a[LEFT](0));
+ b_left_prev[1] = float(a[LEFT](1));
+ b_left_prev[2] = float(a[LEFT](2));
+
+ float* b_right_prev = normal_right_prev + 3;
+ b_right_prev[0] = float(a[RIGHT](0));
+ b_right_prev[1] = float(a[RIGHT](1));
+ b_right_prev[2] = float(a[RIGHT](2));
+
+ idx_a[LEFT] = idx_prev[LEFT];
+ idx_a[RIGHT] = idx_prev[RIGHT];
+ }
+ else if (is_right_turn)
+ {
+ // Right turn. Fill in the right turn wedge.
+ volume.push_triangle(idx_prev[RIGHT], idx_a[RIGHT], idx_prev[TOP]);
+ volume.push_triangle(idx_prev[RIGHT], idx_prev[BOTTOM], idx_a[RIGHT]);
+ }
+ else
+ {
+ // Left turn. Fill in the left turn wedge.
+ volume.push_triangle(idx_prev[LEFT], idx_prev[TOP], idx_a[LEFT]);
+ volume.push_triangle(idx_prev[LEFT], idx_a[LEFT], idx_prev[BOTTOM]);
+ }
+
+ if (ii == lines.size())
+ {
+ if (!is_sharp)
+ {
+ // Closing a loop with smooth transition. Unify the closing left / right vertices.
+ ::memcpy(volume.vertices_and_normals_interleaved.data() + idx_initial[LEFT] * 6, volume.vertices_and_normals_interleaved.data() + idx_prev[LEFT] * 6, sizeof(float) * 6);
+ ::memcpy(volume.vertices_and_normals_interleaved.data() + idx_initial[RIGHT] * 6, volume.vertices_and_normals_interleaved.data() + idx_prev[RIGHT] * 6, sizeof(float) * 6);
+ volume.vertices_and_normals_interleaved.erase(volume.vertices_and_normals_interleaved.end() - 12, volume.vertices_and_normals_interleaved.end());
+ // Replace the left / right vertex indices to point to the start of the loop.
+ for (size_t u = volume.quad_indices.size() - 16; u < volume.quad_indices.size(); ++u)
+ {
+ if (volume.quad_indices[u] == idx_prev[LEFT])
+ volume.quad_indices[u] = idx_initial[LEFT];
+ else if (volume.quad_indices[u] == idx_prev[RIGHT])
+ volume.quad_indices[u] = idx_initial[RIGHT];
+ }
+ }
+
+ // This is the last iteration, only required to solve the transition.
+ break;
+ }
+ }
+
+ // Only new allocate top / bottom vertices, if not closing a loop.
+ if (closed && (ii + 1 == lines.size()))
+ idx_b[TOP] = idx_initial[TOP];
+ else
+ {
+ idx_b[TOP] = idx_last++;
+ volume.push_geometry(b[TOP], n_top);
+ }
+
+ if (closed && (ii + 1 == lines.size()) && (width == width_initial))
+ idx_b[BOTTOM] = idx_initial[BOTTOM];
+ else
+ {
+ idx_b[BOTTOM] = idx_last++;
+ volume.push_geometry(b[BOTTOM], n_bottom);
+ }
+
+ // Generate new vertices for the end of this line segment.
+ idx_b[LEFT] = idx_last++;
+ volume.push_geometry(b[LEFT], n_left);
+ idx_b[RIGHT] = idx_last++;
+ volume.push_geometry(b[RIGHT], n_right);
+
+ ::memcpy(idx_prev, idx_b, 4 * sizeof(int));
+ n_right_prev = n_right;
+ n_top_prev = n_top;
+ unit_v_prev = unit_v;
+
+ if (!closed)
+ {
+ // Terminate open paths with caps.
+ if (i == 0)
+ volume.push_quad(idx_a[BOTTOM], idx_a[RIGHT], idx_a[TOP], idx_a[LEFT]);
+
+ // We don't use 'else' because both cases are true if we have only one line.
+ if (i + 1 == lines.size())
+ volume.push_quad(idx_b[BOTTOM], idx_b[LEFT], idx_b[TOP], idx_b[RIGHT]);
+ }
+
+ // Add quads for a straight hollow tube-like segment.
+ // bottom-right face
+ volume.push_quad(idx_a[BOTTOM], idx_b[BOTTOM], idx_b[RIGHT], idx_a[RIGHT]);
+ // top-right face
+ volume.push_quad(idx_a[RIGHT], idx_b[RIGHT], idx_b[TOP], idx_a[TOP]);
+ // top-left face
+ volume.push_quad(idx_a[TOP], idx_b[TOP], idx_b[LEFT], idx_a[LEFT]);
+ // bottom-left face
+ volume.push_quad(idx_a[LEFT], idx_b[LEFT], idx_b[BOTTOM], idx_a[BOTTOM]);
+ }
+
+#undef LEFT
+#undef RIGHT
+#undef TOP
+#undef BOTTOM
+}
+
+static void point_to_indexed_vertex_array(const Vec3crd& point,
+ double width,
+ double height,
+ GLIndexedVertexArray& volume)
+{
+ // builds a double piramid, with vertices on the local axes, around the point
+
+ Vec3d center = unscale(point);
+
+ double scale_factor = 1.0;
+ double w = scale_factor * width;
+ double h = scale_factor * height;
+
+ // new vertices ids
+ int idx_last = int(volume.vertices_and_normals_interleaved.size() / 6);
+ int idxs[6];
+ for (int i = 0; i < 6; ++i)
+ {
+ idxs[i] = idx_last + i;
+ }
+
+ Vec3d displacement_x(w, 0.0, 0.0);
+ Vec3d displacement_y(0.0, w, 0.0);
+ Vec3d displacement_z(0.0, 0.0, h);
+
+ Vec3d unit_x(1.0, 0.0, 0.0);
+ Vec3d unit_y(0.0, 1.0, 0.0);
+ Vec3d unit_z(0.0, 0.0, 1.0);
+
+ // vertices
+ volume.push_geometry(center - displacement_x, -unit_x); // idxs[0]
+ volume.push_geometry(center + displacement_x, unit_x); // idxs[1]
+ volume.push_geometry(center - displacement_y, -unit_y); // idxs[2]
+ volume.push_geometry(center + displacement_y, unit_y); // idxs[3]
+ volume.push_geometry(center - displacement_z, -unit_z); // idxs[4]
+ volume.push_geometry(center + displacement_z, unit_z); // idxs[5]
+
+ // top piramid faces
+ volume.push_triangle(idxs[0], idxs[2], idxs[5]);
+ volume.push_triangle(idxs[2], idxs[1], idxs[5]);
+ volume.push_triangle(idxs[1], idxs[3], idxs[5]);
+ volume.push_triangle(idxs[3], idxs[0], idxs[5]);
+
+ // bottom piramid faces
+ volume.push_triangle(idxs[2], idxs[0], idxs[4]);
+ volume.push_triangle(idxs[1], idxs[2], idxs[4]);
+ volume.push_triangle(idxs[3], idxs[1], idxs[4]);
+ volume.push_triangle(idxs[0], idxs[3], idxs[4]);
+}
+
+void _3DScene::thick_lines_to_verts(
+ const Lines &lines,
+ const std::vector<double> &widths,
+ const std::vector<double> &heights,
+ bool closed,
+ double top_z,
+ GLVolume &volume)
+{
+ thick_lines_to_indexed_vertex_array(lines, widths, heights, closed, top_z, volume.indexed_vertex_array);
+}
+
+void _3DScene::thick_lines_to_verts(const Lines3& lines,
+ const std::vector<double>& widths,
+ const std::vector<double>& heights,
+ bool closed,
+ GLVolume& volume)
+{
+ thick_lines_to_indexed_vertex_array(lines, widths, heights, closed, volume.indexed_vertex_array);
+}
+
+static void thick_point_to_verts(const Vec3crd& point,
+ double width,
+ double height,
+ GLVolume& volume)
+{
+ point_to_indexed_vertex_array(point, width, height, volume.indexed_vertex_array);
+}
+
+// Fill in the qverts and tverts with quads and triangles for the extrusion_path.
+void _3DScene::extrusionentity_to_verts(const ExtrusionPath &extrusion_path, float print_z, GLVolume &volume)
+{
+ Lines lines = extrusion_path.polyline.lines();
+ std::vector<double> widths(lines.size(), extrusion_path.width);
+ std::vector<double> heights(lines.size(), extrusion_path.height);
+ thick_lines_to_verts(lines, widths, heights, false, print_z, volume);
+}
+
+// Fill in the qverts and tverts with quads and triangles for the extrusion_path.
+void _3DScene::extrusionentity_to_verts(const ExtrusionPath &extrusion_path, float print_z, const Point &copy, GLVolume &volume)
+{
+ Polyline polyline = extrusion_path.polyline;
+ polyline.remove_duplicate_points();
+ polyline.translate(copy);
+ Lines lines = polyline.lines();
+ std::vector<double> widths(lines.size(), extrusion_path.width);
+ std::vector<double> heights(lines.size(), extrusion_path.height);
+ thick_lines_to_verts(lines, widths, heights, false, print_z, volume);
+}
+
+// Fill in the qverts and tverts with quads and triangles for the extrusion_loop.
+void _3DScene::extrusionentity_to_verts(const ExtrusionLoop &extrusion_loop, float print_z, const Point &copy, GLVolume &volume)
+{
+ Lines lines;
+ std::vector<double> widths;
+ std::vector<double> heights;
+ for (const ExtrusionPath &extrusion_path : extrusion_loop.paths) {
+ Polyline polyline = extrusion_path.polyline;
+ polyline.remove_duplicate_points();
+ polyline.translate(copy);
+ Lines lines_this = polyline.lines();
+ append(lines, lines_this);
+ widths.insert(widths.end(), lines_this.size(), extrusion_path.width);
+ heights.insert(heights.end(), lines_this.size(), extrusion_path.height);
+ }
+ thick_lines_to_verts(lines, widths, heights, true, print_z, volume);
+}
+
+// Fill in the qverts and tverts with quads and triangles for the extrusion_multi_path.
+void _3DScene::extrusionentity_to_verts(const ExtrusionMultiPath &extrusion_multi_path, float print_z, const Point &copy, GLVolume &volume)
+{
+ Lines lines;
+ std::vector<double> widths;
+ std::vector<double> heights;
+ for (const ExtrusionPath &extrusion_path : extrusion_multi_path.paths) {
+ Polyline polyline = extrusion_path.polyline;
+ polyline.remove_duplicate_points();
+ polyline.translate(copy);
+ Lines lines_this = polyline.lines();
+ append(lines, lines_this);
+ widths.insert(widths.end(), lines_this.size(), extrusion_path.width);
+ heights.insert(heights.end(), lines_this.size(), extrusion_path.height);
+ }
+ thick_lines_to_verts(lines, widths, heights, false, print_z, volume);
+}
+
+void _3DScene::extrusionentity_to_verts(const ExtrusionEntityCollection &extrusion_entity_collection, float print_z, const Point &copy, GLVolume &volume)
+{
+ for (const ExtrusionEntity *extrusion_entity : extrusion_entity_collection.entities)
+ extrusionentity_to_verts(extrusion_entity, print_z, copy, volume);
+}
+
+void _3DScene::extrusionentity_to_verts(const ExtrusionEntity *extrusion_entity, float print_z, const Point &copy, GLVolume &volume)
+{
+ if (extrusion_entity != nullptr) {
+ auto *extrusion_path = dynamic_cast<const ExtrusionPath*>(extrusion_entity);
+ if (extrusion_path != nullptr)
+ extrusionentity_to_verts(*extrusion_path, print_z, copy, volume);
+ else {
+ auto *extrusion_loop = dynamic_cast<const ExtrusionLoop*>(extrusion_entity);
+ if (extrusion_loop != nullptr)
+ extrusionentity_to_verts(*extrusion_loop, print_z, copy, volume);
+ else {
+ auto *extrusion_multi_path = dynamic_cast<const ExtrusionMultiPath*>(extrusion_entity);
+ if (extrusion_multi_path != nullptr)
+ extrusionentity_to_verts(*extrusion_multi_path, print_z, copy, volume);
+ else {
+ auto *extrusion_entity_collection = dynamic_cast<const ExtrusionEntityCollection*>(extrusion_entity);
+ if (extrusion_entity_collection != nullptr)
+ extrusionentity_to_verts(*extrusion_entity_collection, print_z, copy, volume);
+ else {
+ throw std::runtime_error("Unexpected extrusion_entity type in to_verts()");
+ }
+ }
+ }
+ }
+ }
+}
+
+void _3DScene::polyline3_to_verts(const Polyline3& polyline, double width, double height, GLVolume& volume)
+{
+ Lines3 lines = polyline.lines();
+ std::vector<double> widths(lines.size(), width);
+ std::vector<double> heights(lines.size(), height);
+ thick_lines_to_verts(lines, widths, heights, false, volume);
+}
+
+void _3DScene::point3_to_verts(const Vec3crd& point, double width, double height, GLVolume& volume)
+{
+ thick_point_to_verts(point, width, height, volume);
+}
+
+GUI::GLCanvas3DManager _3DScene::s_canvas_mgr;
+
+void _3DScene::init_gl()
+{
+ s_canvas_mgr.init_gl();
+}
+
+std::string _3DScene::get_gl_info(bool format_as_html, bool extensions)
+{
+ return s_canvas_mgr.get_gl_info(format_as_html, extensions);
+}
+
+bool _3DScene::use_VBOs()
+{
+ return s_canvas_mgr.use_VBOs();
+}
+
+bool _3DScene::add_canvas(wxGLCanvas* canvas)
+{
+ return s_canvas_mgr.add(canvas);
+}
+
+bool _3DScene::remove_canvas(wxGLCanvas* canvas)
+{
+ return s_canvas_mgr.remove(canvas);
+}
+
+void _3DScene::remove_all_canvases()
+{
+ s_canvas_mgr.remove_all();
+}
+
+bool _3DScene::init(wxGLCanvas* canvas)
+{
+ return s_canvas_mgr.init(canvas);
+}
+
+void _3DScene::set_as_dirty(wxGLCanvas* canvas)
+{
+ s_canvas_mgr.set_as_dirty(canvas);
+}
+
+unsigned int _3DScene::get_volumes_count(wxGLCanvas* canvas)
+{
+ return s_canvas_mgr.get_volumes_count(canvas);
+}
+
+void _3DScene::reset_volumes(wxGLCanvas* canvas)
+{
+ s_canvas_mgr.reset_volumes(canvas);
+}
+
+void _3DScene::deselect_volumes(wxGLCanvas* canvas)
+{
+ s_canvas_mgr.deselect_volumes(canvas);
+}
+
+void _3DScene::select_volume(wxGLCanvas* canvas, unsigned int id)
+{
+ s_canvas_mgr.select_volume(canvas, id);
+}
+
+void _3DScene::update_volumes_selection(wxGLCanvas* canvas, const std::vector<int>& selections)
+{
+ s_canvas_mgr.update_volumes_selection(canvas, selections);
+}
+
+int _3DScene::check_volumes_outside_state(wxGLCanvas* canvas, const DynamicPrintConfig* config)
+{
+ return s_canvas_mgr.check_volumes_outside_state(canvas, config);
+}
+
+bool _3DScene::move_volume_up(wxGLCanvas* canvas, unsigned int id)
+{
+ return s_canvas_mgr.move_volume_up(canvas, id);
+}
+
+bool _3DScene::move_volume_down(wxGLCanvas* canvas, unsigned int id)
+{
+ return s_canvas_mgr.move_volume_down(canvas, id);
+}
+
+void _3DScene::set_objects_selections(wxGLCanvas* canvas, const std::vector<int>& selections)
+{
+ s_canvas_mgr.set_objects_selections(canvas, selections);
+}
+
+void _3DScene::set_config(wxGLCanvas* canvas, DynamicPrintConfig* config)
+{
+ s_canvas_mgr.set_config(canvas, config);
+}
+
+void _3DScene::set_print(wxGLCanvas* canvas, Print* print)
+{
+ s_canvas_mgr.set_print(canvas, print);
+}
+
+void _3DScene::set_model(wxGLCanvas* canvas, Model* model)
+{
+ s_canvas_mgr.set_model(canvas, model);
+}
+
+void _3DScene::set_bed_shape(wxGLCanvas* canvas, const Pointfs& shape)
+{
+ s_canvas_mgr.set_bed_shape(canvas, shape);
+}
+
+void _3DScene::set_auto_bed_shape(wxGLCanvas* canvas)
+{
+ s_canvas_mgr.set_auto_bed_shape(canvas);
+}
+
+BoundingBoxf3 _3DScene::get_volumes_bounding_box(wxGLCanvas* canvas)
+{
+ return s_canvas_mgr.get_volumes_bounding_box(canvas);
+}
+
+void _3DScene::set_axes_length(wxGLCanvas* canvas, float length)
+{
+ s_canvas_mgr.set_axes_length(canvas, length);
+}
+
+void _3DScene::set_cutting_plane(wxGLCanvas* canvas, float z, const ExPolygons& polygons)
+{
+ s_canvas_mgr.set_cutting_plane(canvas, z, polygons);
+}
+
+void _3DScene::set_color_by(wxGLCanvas* canvas, const std::string& value)
+{
+ s_canvas_mgr.set_color_by(canvas, value);
+}
+
+void _3DScene::set_select_by(wxGLCanvas* canvas, const std::string& value)
+{
+ s_canvas_mgr.set_select_by(canvas, value);
+}
+
+void _3DScene::set_drag_by(wxGLCanvas* canvas, const std::string& value)
+{
+ s_canvas_mgr.set_drag_by(canvas, value);
+}
+
+std::string _3DScene::get_select_by(wxGLCanvas* canvas)
+{
+ return s_canvas_mgr.get_select_by(canvas);
+}
+
+bool _3DScene::is_layers_editing_enabled(wxGLCanvas* canvas)
+{
+ return s_canvas_mgr.is_layers_editing_enabled(canvas);
+}
+
+bool _3DScene::is_layers_editing_allowed(wxGLCanvas* canvas)
+{
+ return s_canvas_mgr.is_layers_editing_allowed(canvas);
+}
+
+bool _3DScene::is_shader_enabled(wxGLCanvas* canvas)
+{
+ return s_canvas_mgr.is_shader_enabled(canvas);
+}
+
+bool _3DScene::is_reload_delayed(wxGLCanvas* canvas)
+{
+ return s_canvas_mgr.is_reload_delayed(canvas);
+}
+
+void _3DScene::enable_layers_editing(wxGLCanvas* canvas, bool enable)
+{
+ s_canvas_mgr.enable_layers_editing(canvas, enable);
+}
+
+void _3DScene::enable_warning_texture(wxGLCanvas* canvas, bool enable)
+{
+ s_canvas_mgr.enable_warning_texture(canvas, enable);
+}
+
+void _3DScene::enable_legend_texture(wxGLCanvas* canvas, bool enable)
+{
+ s_canvas_mgr.enable_legend_texture(canvas, enable);
+}
+
+void _3DScene::enable_picking(wxGLCanvas* canvas, bool enable)
+{
+ s_canvas_mgr.enable_picking(canvas, enable);
+}
+
+void _3DScene::enable_moving(wxGLCanvas* canvas, bool enable)
+{
+ s_canvas_mgr.enable_moving(canvas, enable);
+}
+
+void _3DScene::enable_gizmos(wxGLCanvas* canvas, bool enable)
+{
+ s_canvas_mgr.enable_gizmos(canvas, enable);
+}
+
+void _3DScene::enable_toolbar(wxGLCanvas* canvas, bool enable)
+{
+ s_canvas_mgr.enable_toolbar(canvas, enable);
+}
+
+void _3DScene::enable_shader(wxGLCanvas* canvas, bool enable)
+{
+ s_canvas_mgr.enable_shader(canvas, enable);
+}
+
+void _3DScene::enable_force_zoom_to_bed(wxGLCanvas* canvas, bool enable)
+{
+ s_canvas_mgr.enable_force_zoom_to_bed(canvas, enable);
+}
+
+void _3DScene::enable_dynamic_background(wxGLCanvas* canvas, bool enable)
+{
+ s_canvas_mgr.enable_dynamic_background(canvas, enable);
+}
+
+void _3DScene::allow_multisample(wxGLCanvas* canvas, bool allow)
+{
+ s_canvas_mgr.allow_multisample(canvas, allow);
+}
+
+void _3DScene::enable_toolbar_item(wxGLCanvas* canvas, const std::string& name, bool enable)
+{
+ s_canvas_mgr.enable_toolbar_item(canvas, name, enable);
+}
+
+bool _3DScene::is_toolbar_item_pressed(wxGLCanvas* canvas, const std::string& name)
+{
+ return s_canvas_mgr.is_toolbar_item_pressed(canvas, name);
+}
+
+void _3DScene::zoom_to_bed(wxGLCanvas* canvas)
+{
+ s_canvas_mgr.zoom_to_bed(canvas);
+}
+
+void _3DScene::zoom_to_volumes(wxGLCanvas* canvas)
+{
+ s_canvas_mgr.zoom_to_volumes(canvas);
+}
+
+void _3DScene::select_view(wxGLCanvas* canvas, const std::string& direction)
+{
+ s_canvas_mgr.select_view(canvas, direction);
+}
+
+void _3DScene::set_viewport_from_scene(wxGLCanvas* canvas, wxGLCanvas* other)
+{
+ s_canvas_mgr.set_viewport_from_scene(canvas, other);
+}
+
+void _3DScene::update_volumes_colors_by_extruder(wxGLCanvas* canvas)
+{
+ s_canvas_mgr.update_volumes_colors_by_extruder(canvas);
+}
+
+void _3DScene::update_gizmos_data(wxGLCanvas* canvas)
+{
+ s_canvas_mgr.update_gizmos_data(canvas);
+}
+
+void _3DScene::render(wxGLCanvas* canvas)
+{
+ s_canvas_mgr.render(canvas);
+}
+
+std::vector<double> _3DScene::get_current_print_zs(wxGLCanvas* canvas, bool active_only)
+{
+ return s_canvas_mgr.get_current_print_zs(canvas, active_only);
+}
+
+void _3DScene::set_toolpaths_range(wxGLCanvas* canvas, double low, double high)
+{
+ s_canvas_mgr.set_toolpaths_range(canvas, low, high);
+}
+
+void _3DScene::register_on_viewport_changed_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_on_viewport_changed_callback(canvas, callback);
+}
+
+void _3DScene::register_on_double_click_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_on_double_click_callback(canvas, callback);
+}
+
+void _3DScene::register_on_right_click_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_on_right_click_callback(canvas, callback);
+}
+
+void _3DScene::register_on_select_object_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_on_select_object_callback(canvas, callback);
+}
+
+void _3DScene::register_on_model_update_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_on_model_update_callback(canvas, callback);
+}
+
+void _3DScene::register_on_remove_object_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_on_remove_object_callback(canvas, callback);
+}
+
+void _3DScene::register_on_arrange_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_on_arrange_callback(canvas, callback);
+}
+
+void _3DScene::register_on_rotate_object_left_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_on_rotate_object_left_callback(canvas, callback);
+}
+
+void _3DScene::register_on_rotate_object_right_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_on_rotate_object_right_callback(canvas, callback);
+}
+
+void _3DScene::register_on_scale_object_uniformly_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_on_scale_object_uniformly_callback(canvas, callback);
+}
+
+void _3DScene::register_on_increase_objects_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_on_increase_objects_callback(canvas, callback);
+}
+
+void _3DScene::register_on_decrease_objects_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_on_decrease_objects_callback(canvas, callback);
+}
+
+void _3DScene::register_on_instance_moved_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_on_instance_moved_callback(canvas, callback);
+}
+
+void _3DScene::register_on_wipe_tower_moved_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_on_wipe_tower_moved_callback(canvas, callback);
+}
+
+void _3DScene::register_on_enable_action_buttons_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_on_enable_action_buttons_callback(canvas, callback);
+}
+
+void _3DScene::register_on_gizmo_scale_uniformly_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_on_gizmo_scale_uniformly_callback(canvas, callback);
+}
+
+void _3DScene::register_on_gizmo_rotate_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_on_gizmo_rotate_callback(canvas, callback);
+}
+
+void _3DScene::register_on_gizmo_flatten_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_on_gizmo_flatten_callback(canvas, callback);
+}
+
+void _3DScene::register_on_update_geometry_info_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_on_update_geometry_info_callback(canvas, callback);
+}
+
+void _3DScene::register_action_add_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_action_add_callback(canvas, callback);
+}
+
+void _3DScene::register_action_delete_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_action_delete_callback(canvas, callback);
+}
+
+void _3DScene::register_action_deleteall_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_action_deleteall_callback(canvas, callback);
+}
+
+void _3DScene::register_action_arrange_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_action_arrange_callback(canvas, callback);
+}
+
+void _3DScene::register_action_more_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_action_more_callback(canvas, callback);
+}
+
+void _3DScene::register_action_fewer_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_action_fewer_callback(canvas, callback);
+}
+
+void _3DScene::register_action_split_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_action_split_callback(canvas, callback);
+}
+
+void _3DScene::register_action_cut_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_action_cut_callback(canvas, callback);
+}
+
+void _3DScene::register_action_settings_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_action_settings_callback(canvas, callback);
+}
+
+void _3DScene::register_action_layersediting_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_action_layersediting_callback(canvas, callback);
+}
+
+void _3DScene::register_action_selectbyparts_callback(wxGLCanvas* canvas, void* callback)
+{
+ s_canvas_mgr.register_action_selectbyparts_callback(canvas, callback);
+}
+
+static inline int hex_digit_to_int(const char c)
+{
+ return
+ (c >= '0' && c <= '9') ? int(c - '0') :
+ (c >= 'A' && c <= 'F') ? int(c - 'A') + 10 :
+ (c >= 'a' && c <= 'f') ? int(c - 'a') + 10 : -1;
+}
+
+static inline std::vector<float> parse_colors(const std::vector<std::string> &scolors)
+{
+ std::vector<float> output(scolors.size() * 4, 1.f);
+ for (size_t i = 0; i < scolors.size(); ++ i) {
+ const std::string &scolor = scolors[i];
+ const char *c = scolor.data() + 1;
+ if (scolor.size() == 7 && scolor.front() == '#') {
+ for (size_t j = 0; j < 3; ++j) {
+ int digit1 = hex_digit_to_int(*c ++);
+ int digit2 = hex_digit_to_int(*c ++);
+ if (digit1 == -1 || digit2 == -1)
+ break;
+ output[i * 4 + j] = float(digit1 * 16 + digit2) / 255.f;
+ }
+ }
+ }
+ return output;
+}
+
+std::vector<int> _3DScene::load_object(wxGLCanvas* canvas, const ModelObject* model_object, int obj_idx, std::vector<int> instance_idxs)
+{
+ return s_canvas_mgr.load_object(canvas, model_object, obj_idx, instance_idxs);
+}
+
+std::vector<int> _3DScene::load_object(wxGLCanvas* canvas, const Model* model, int obj_idx)
+{
+ return s_canvas_mgr.load_object(canvas, model, obj_idx);
+}
+
+int _3DScene::get_first_volume_id(wxGLCanvas* canvas, int obj_idx)
+{
+ return s_canvas_mgr.get_first_volume_id(canvas, obj_idx);
+}
+
+int _3DScene::get_in_object_volume_id(wxGLCanvas* canvas, int scene_vol_idx)
+{
+ return s_canvas_mgr.get_in_object_volume_id(canvas, scene_vol_idx);
+}
+
+void _3DScene::reload_scene(wxGLCanvas* canvas, bool force)
+{
+ s_canvas_mgr.reload_scene(canvas, force);
+}
+
+void _3DScene::load_gcode_preview(wxGLCanvas* canvas, const GCodePreviewData* preview_data, const std::vector<std::string>& str_tool_colors)
+{
+ s_canvas_mgr.load_gcode_preview(canvas, preview_data, str_tool_colors);
+}
+
+void _3DScene::load_preview(wxGLCanvas* canvas, const std::vector<std::string>& str_tool_colors)
+{
+ s_canvas_mgr.load_preview(canvas, str_tool_colors);
+}
+
+void _3DScene::reset_legend_texture()
+{
+ s_canvas_mgr.reset_legend_texture();
+}
+
+} // namespace Slic3r
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-10 17:28:36 +0300