#include #include "3DScene.hpp" #include "../../libslic3r/libslic3r.h" #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 #include #include #include #include #include #include #include #include #include #include #include #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].x, facet.vertex[j].y, facet.vertex[j].z, facet.normal.x, facet.normal.y, facet.normal.z); } } 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].x, facet.vertex[j].y, facet.vertex[j].z, facet.normal.x, facet.normal.y, facet.normal.z); 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 &tverts_range, const std::pair &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 }; 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) { if (is_outside) set_render_color(SELECTED_OUTSIDE_COLOR, 4); else set_render_color(SELECTED_COLOR, 4); } else if (hover) set_render_color(HOVER_COLOR, 4); else if (is_outside) set_render_color(OUTSIDE_COLOR, 4); else set_render_color(color, 4); } 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(this->origin.x, this->origin.y, this->origin.z); 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, ¤t_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; 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.z * 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); unsigned int w = layer_height_texture_width(); unsigned int h = layer_height_texture_height(); glBindTexture(GL_TEXTURE_2D, layer_height_texture_data.texture_id); glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0); glTexImage2D(GL_TEXTURE_2D, 1, GL_RGBA8, w / 2, h / 2, 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, w / 2, h / 2, 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); } 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.z); } void GLVolume::generate_layer_height_texture(PrintObject *print_object, bool force) { GLTexture *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(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 GLVolumeCollection::load_object( const ModelObject *model_object, int obj_idx, const std::vector &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 layer_height_texture = std::make_shared(); std::vector 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->modifier) { 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; instance->transform_mesh(&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); color[3] = model_volume->modifier ? 0.5f : 1.f; 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; if (select_by == "object") v.select_group_id = obj_idx * 1000000; else if (select_by == "volume") v.select_group_id = obj_idx * 1000000 + volume_idx * 1000; else if (select_by == "instance") v.select_group_id = v.composite_id; if (drag_by == "object") v.drag_group_id = obj_idx * 1000; else if (drag_by == "instance") v.drag_group_id = obj_idx * 1000 + instance_idx; if (!model_volume->modifier) { v.layer_height_texture = layer_height_texture; if (extruder_id != -1) v.extruder_id = extruder_id; } v.is_modifier = model_volume->modifier; } } 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) { float color[4] = { 0.5f, 0.5f, 0.0f, 0.5f }; this->volumes.emplace_back(new GLVolume(color)); GLVolume &v = *this->volumes.back(); if (height == 0.0f) height = 0.1f; auto mesh = make_cube(width, depth, height); mesh.translate(-width / 2.f, -depth / 2.f, 0.f); Point origin_of_rotation(0.f, 0.f); mesh.rotate(rotation_angle,&origin_of_rotation); if (use_VBOs) v.indexed_vertex_array.load_mesh_full_shading(mesh); else v.indexed_vertex_array.load_mesh_flat_shading(mesh); v.origin = Pointf3(pos_x, pos_y, 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; 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, ¤t_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_origin_id = (current_program_id > 0) ? glGetUniformLocation(current_program_id, "print_box.volume_origin") : -1; for (GLVolume *volume : this->volumes) { if (!volume->is_active) continue; if (!volume->indexed_vertex_array.vertices_and_normals_interleaved_VBO_id) continue; if (volume->layer_height_texture_data.can_use()) { ::glDisableClientState(GL_VERTEX_ARRAY); ::glDisableClientState(GL_NORMAL_ARRAY); volume->generate_layer_height_texture(volume->layer_height_texture_data.print_object, false); volume->render_using_layer_height(); ::glEnableClientState(GL_VERTEX_ARRAY); ::glEnableClientState(GL_NORMAL_ARRAY); continue; } volume->set_render_color(); GLsizei n_triangles = GLsizei(std::min(volume->indexed_vertex_array.triangle_indices_size, volume->tverts_range.second - volume->tverts_range.first)); GLsizei n_quads = GLsizei(std::min(volume->indexed_vertex_array.quad_indices_size, volume->qverts_range.second - volume->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*)volume->render_color, 4 * sizeof(float)); ::glUniform4fv(color_id, 1, (const GLfloat*)color); } else ::glColor4f(volume->render_color[0], volume->render_color[1], volume->render_color[2], volume->render_color[3]); 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); if (print_box_origin_id != -1) { float origin[4] = { (float)volume->origin.x, (float)volume->origin.y, (float)volume->origin.z, volume->outside_printer_detection_enabled ? 1.0f : 0.0f }; ::glUniform4fv(print_box_origin_id, 1, (const GLfloat*)origin); } volume->render(); ::glEnableClientState(GL_VERTEX_ARRAY); ::glEnableClientState(GL_NORMAL_ARRAY); continue; } if (color_id >= 0) ::glUniform4fv(color_id, 1, (const GLfloat*)volume->render_color); else ::glColor4f(volume->render_color[0], volume->render_color[1], volume->render_color[2], volume->render_color[3]); 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); if (print_box_origin_id != -1) { float origin[4] = { (float)volume->origin.x, (float)volume->origin.y, (float)volume->origin.z, volume->outside_printer_detection_enabled ? 1.0f : 0.0f }; ::glUniform4fv(print_box_origin_id, 1, (const GLfloat*)origin); } ::glBindBuffer(GL_ARRAY_BUFFER, volume->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); bool has_offset = (volume->origin.x != 0) || (volume->origin.y != 0) || (volume->origin.z != 0); if (has_offset) { ::glPushMatrix(); ::glTranslated(volume->origin.x, volume->origin.y, volume->origin.z); } if (n_triangles > 0) { ::glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, volume->indexed_vertex_array.triangle_indices_VBO_id); ::glDrawElements(GL_TRIANGLES, n_triangles, GL_UNSIGNED_INT, (const void*)(volume->tverts_range.first * 4)); } if (n_quads > 0) { ::glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, volume->indexed_vertex_array.quad_indices_VBO_id); ::glDrawElements(GL_QUADS, n_quads, GL_UNSIGNED_INT, (const void*)(volume->qverts_range.first * 4)); } if (has_offset) ::glPopMatrix(); } ::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) { assert(! volume->indexed_vertex_array.vertices_and_normals_interleaved_VBO_id); if (!volume->is_active) continue; volume->set_render_color(); GLsizei n_triangles = GLsizei(std::min(volume->indexed_vertex_array.triangle_indices_size, volume->tverts_range.second - volume->tverts_range.first)); GLsizei n_quads = GLsizei(std::min(volume->indexed_vertex_array.quad_indices_size, volume->qverts_range.second - volume->qverts_range.first)); if (n_triangles + n_quads == 0) { ::glDisableClientState(GL_VERTEX_ARRAY); ::glDisableClientState(GL_NORMAL_ARRAY); ::glColor4f(volume->render_color[0], volume->render_color[1], volume->render_color[2], volume->render_color[3]); volume->render(); ::glEnableClientState(GL_VERTEX_ARRAY); ::glEnableClientState(GL_NORMAL_ARRAY); continue; } glColor4f(volume->render_color[0], volume->render_color[1], volume->render_color[2], volume->render_color[3]); glVertexPointer(3, GL_FLOAT, 6 * sizeof(float), volume->indexed_vertex_array.vertices_and_normals_interleaved.data() + 3); glNormalPointer(GL_FLOAT, 6 * sizeof(float), volume->indexed_vertex_array.vertices_and_normals_interleaved.data()); bool has_offset = volume->origin.x != 0 || volume->origin.y != 0 || volume->origin.z != 0; if (has_offset) { glPushMatrix(); glTranslated(volume->origin.x, volume->origin.y, volume->origin.z); } if (n_triangles > 0) glDrawElements(GL_TRIANGLES, n_triangles, GL_UNSIGNED_INT, volume->indexed_vertex_array.triangle_indices.data() + volume->tverts_range.first); if (n_quads > 0) glDrawElements(GL_QUADS, n_quads, GL_UNSIGNED_INT, volume->indexed_vertex_array.quad_indices.data() + volume->qverts_range.first); if (has_offset) glPopMatrix(); } glDisableClientState(GL_VERTEX_ARRAY); glDisableClientState(GL_NORMAL_ARRAY); glDisable(GL_BLEND); } bool GLVolumeCollection::check_outside_state(const DynamicPrintConfig* config) { if (config == nullptr) return false; const ConfigOptionPoints* opt = dynamic_cast(config->option("bed_shape")); if (opt == nullptr) return false; BoundingBox bed_box_2D = get_extents(Polygon::new_scale(opt->values)); BoundingBoxf3 print_volume(Pointf3(unscale(bed_box_2D.min.x), unscale(bed_box_2D.min.y), 0.0), Pointf3(unscale(bed_box_2D.max.x), unscale(bed_box_2D.max.y), config->opt_float("max_print_height"))); // Allow the objects to protrude below the print bed print_volume.min.z = -1e10; bool contained = true; for (GLVolume* volume : this->volumes) { if (volume != nullptr) { bool state = print_volume.contains(volume->transformed_bounding_box()); contained &= state; volume->is_outside = !state; } } return 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(config->option("extruder_colour")); if (extruders_opt == nullptr) return; const ConfigOptionStrings* filamemts_opt = dynamic_cast(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 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; } } } } std::vector GLVolumeCollection::get_current_print_zs(bool active_only) const { // Collect layer top positions of all volumes. std::vector 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 &widths, const std::vector &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.; Pointf b1_prev; Vectorf v_prev; 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(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; Vectorf v = Vectorf::new_unscale(line.vector()); v.scale(inv_len); Pointf a = Pointf::new_unscale(line.a); Pointf b = Pointf::new_unscale(line.b); Pointf a1 = a; Pointf a2 = a; Pointf b1 = b; Pointf b2 = b; { double dist = 0.5 * width; // scaled double dx = dist * v.x; double dy = dist * v.y; a1.translate(+dy, -dx); a2.translate(-dy, +dx); b1.translate(+dy, -dx); b2.translate(-dy, +dx); } // calculate new XY normals Vector n = line.normal(); Vectorf3 xy_right_normal = Vectorf3::new_unscale(n.x, n.y, 0); xy_right_normal.scale(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.x, a.y, 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.x, a.y, bottom_z, 0., 0., -1.); idx_a[LEFT ] = idx_last ++; volume.push_geometry(a2.x, a2.y, middle_z, -xy_right_normal.x, -xy_right_normal.y, -xy_right_normal.z); idx_a[RIGHT] = idx_last ++; volume.push_geometry(a1.x, a1.y, middle_z, xy_right_normal.x, xy_right_normal.y, xy_right_normal.z); } 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 = dot(v_prev, 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.x, a1.y, middle_z, xy_right_normal.x, xy_right_normal.y, xy_right_normal.z); idx_a[LEFT] = idx_last++; volume.push_geometry(a2.x, a2.y, middle_z, -xy_right_normal.x, -xy_right_normal.y, -xy_right_normal.z); } } 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. Pointf intersection; Geometry::ray_ray_intersection(b1_prev, v_prev, a1, v, intersection); a1 = intersection; a2 = 2. * a - intersection; assert(length(a1.vector_to(a)) < width); assert(length(a2.vector_to(a)) < 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.x); p_left_prev [1] = float(a2.y); p_right_prev[0] = float(a1.x); p_right_prev[1] = float(a1.y); xy_right_normal.x += n_right_prev[0]; xy_right_normal.y += n_right_prev[1]; xy_right_normal.scale(1. / length(xy_right_normal)); n_left_prev [0] = float(-xy_right_normal.x); n_left_prev [1] = float(-xy_right_normal.y); n_right_prev[0] = float( xy_right_normal.x); n_right_prev[1] = float( xy_right_normal.y); idx_a[LEFT ] = idx_prev[LEFT ]; idx_a[RIGHT] = idx_prev[RIGHT]; } } else if (cross(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.x, b.y, 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.x, b.y, bottom_z, 0., 0., -1.); } // Generate new vertices for the end of this line segment. idx_b[LEFT ] = idx_last ++; volume.push_geometry(b2.x, b2.y, middle_z, -xy_right_normal.x, -xy_right_normal.y, -xy_right_normal.z); idx_b[RIGHT ] = idx_last ++; volume.push_geometry(b1.x, b1.y, middle_z, xy_right_normal.x, xy_right_normal.y, xy_right_normal.z); memcpy(idx_prev, idx_b, 4 * sizeof(int)); bottom_z_prev = bottom_z; b1_prev = b1; v_prev = v; if (bottom_z_different) { // 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 && !bottom_z_different) 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 && !bottom_z_different) 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& widths, const std::vector& 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; Vectorf3 n_right_prev; Vectorf3 n_top_prev; Vectorf3 unit_v_prev; double width_initial = 0.0; // new vertices around the line endpoints // left, right, top, bottom Pointf3 a[4]; Pointf3 b[4]; // 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]; Vectorf3 unit_v = normalize(Vectorf3::new_unscale(line.vector())); Vectorf3 n_top; Vectorf3 n_right; Vectorf3 unit_positive_z(0.0, 0.0, 1.0); if ((line.a.x == line.b.x) && (line.a.y == line.b.y)) { // vertical segment n_right = (line.a.z < line.b.z) ? Vectorf3(-1.0, 0.0, 0.0) : Vectorf3(1.0, 0.0, 0.0); n_top = Vectorf3(0.0, 1.0, 0.0); } else { // generic segment n_right = normalize(cross(unit_v, unit_positive_z)); n_top = normalize(cross(n_right, unit_v)); } Vectorf3 rl_displacement = 0.5 * width * n_right; Vectorf3 tb_displacement = 0.5 * height * n_top; Pointf3 l_a = Pointf3::new_unscale(line.a); Pointf3 l_b = Pointf3::new_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; Vectorf3 n_bottom = -n_top; Vectorf3 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.z); z_prev = l_b.z; // 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 = dot(unit_v_prev, unit_v); bool is_sharp = v_dot < 0.707; // sin(45 degrees) bool is_right_turn = dot(n_top_prev, cross(unit_v_prev, 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 Vectorf3 average_n_right = normalize(0.5 * (n_right + n_right_prev)); Vectorf3 average_n_left = -average_n_right; Vectorf3 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.x); normal_left_prev[1] = float(average_n_left.y); normal_left_prev[2] = float(average_n_left.z); float* normal_right_prev = volume.vertices_and_normals_interleaved.data() + idx_prev[RIGHT] * 6; normal_right_prev[0] = float(average_n_right.x); normal_right_prev[1] = float(average_n_right.y); normal_right_prev[2] = float(average_n_right.z); // updates previous line's vertices around b float* b_left_prev = normal_left_prev + 3; b_left_prev[0] = float(a[LEFT].x); b_left_prev[1] = float(a[LEFT].y); b_left_prev[2] = float(a[LEFT].z); float* b_right_prev = normal_right_prev + 3; b_right_prev[0] = float(a[RIGHT].x); b_right_prev[1] = float(a[RIGHT].y); b_right_prev[2] = float(a[RIGHT].z); 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 Point3& point, double width, double height, GLIndexedVertexArray& volume) { // builds a double piramid, with vertices on the local axes, around the point Pointf3 center = Pointf3::new_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; } Vectorf3 displacement_x(w, 0.0, 0.0); Vectorf3 displacement_y(0.0, w, 0.0); Vectorf3 displacement_z(0.0, 0.0, h); Vectorf3 unit_x(1.0, 0.0, 0.0); Vectorf3 unit_y(0.0, 1.0, 0.0); Vectorf3 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]); } static void thick_lines_to_verts( const Lines &lines, const std::vector &widths, const std::vector &heights, bool closed, double top_z, GLVolume &volume) { thick_lines_to_indexed_vertex_array(lines, widths, heights, closed, top_z, volume.indexed_vertex_array); } static void thick_lines_to_verts(const Lines3& lines, const std::vector& widths, const std::vector& 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 Point3& 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. static inline void extrusionentity_to_verts(const ExtrusionPath &extrusion_path, float print_z, GLVolume &volume) { Lines lines = extrusion_path.polyline.lines(); std::vector widths(lines.size(), extrusion_path.width); std::vector 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. static inline void extrusionentity_to_verts(const ExtrusionPath &extrusion_path, float print_z, const Point ©, GLVolume &volume) { Polyline polyline = extrusion_path.polyline; polyline.remove_duplicate_points(); polyline.translate(copy); Lines lines = polyline.lines(); std::vector widths(lines.size(), extrusion_path.width); std::vector 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. static inline void extrusionentity_to_verts(const ExtrusionLoop &extrusion_loop, float print_z, const Point ©, GLVolume &volume) { Lines lines; std::vector widths; std::vector 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. static inline void extrusionentity_to_verts(const ExtrusionMultiPath &extrusion_multi_path, float print_z, const Point ©, GLVolume &volume) { Lines lines; std::vector widths; std::vector 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); } static void extrusionentity_to_verts(const ExtrusionEntity *extrusion_entity, float print_z, const Point ©, GLVolume &volume); static inline void extrusionentity_to_verts(const ExtrusionEntityCollection &extrusion_entity_collection, float print_z, const Point ©, GLVolume &volume) { for (const ExtrusionEntity *extrusion_entity : extrusion_entity_collection.entities) extrusionentity_to_verts(extrusion_entity, print_z, copy, volume); } static void extrusionentity_to_verts(const ExtrusionEntity *extrusion_entity, float print_z, const Point ©, GLVolume &volume) { if (extrusion_entity != nullptr) { auto *extrusion_path = dynamic_cast(extrusion_entity); if (extrusion_path != nullptr) extrusionentity_to_verts(*extrusion_path, print_z, copy, volume); else { auto *extrusion_loop = dynamic_cast(extrusion_entity); if (extrusion_loop != nullptr) extrusionentity_to_verts(*extrusion_loop, print_z, copy, volume); else { auto *extrusion_multi_path = dynamic_cast(extrusion_entity); if (extrusion_multi_path != nullptr) extrusionentity_to_verts(*extrusion_multi_path, print_z, copy, volume); else { auto *extrusion_entity_collection = dynamic_cast(extrusion_entity); if (extrusion_entity_collection != nullptr) extrusionentity_to_verts(*extrusion_entity_collection, print_z, copy, volume); else { CONFESS("Unexpected extrusion_entity type in to_verts()"); } } } } } } static void polyline3_to_verts(const Polyline3& polyline, double width, double height, GLVolume& volume) { Lines3 lines = polyline.lines(); std::vector widths(lines.size(), width); std::vector heights(lines.size(), height); thick_lines_to_verts(lines, widths, heights, false, volume); } static void point3_to_verts(const Point3& point, double width, double height, GLVolume& volume) { thick_point_to_verts(point, width, height, volume); } _3DScene::GCodePreviewVolumeIndex _3DScene::s_gcode_preview_volume_index; _3DScene::LegendTexture _3DScene::s_legend_texture; _3DScene::WarningTexture _3DScene::s_warning_texture; //################################################################################################################## GUI::GLCanvas3DManager _3DScene::s_canvas_mgr; //################################################################################################################## unsigned int _3DScene::TextureBase::finalize() { if (!m_data.empty()) { // sends buffer to gpu ::glGenTextures(1, &m_tex_id); ::glBindTexture(GL_TEXTURE_2D, m_tex_id); ::glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, (GLsizei)m_tex_width, (GLsizei)m_tex_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, (const GLvoid*)m_data.data()); ::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); ::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); ::glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1); ::glBindTexture(GL_TEXTURE_2D, 0); m_data.clear(); } return (m_tex_width > 0 && m_tex_height > 0) ? m_tex_id : 0; } void _3DScene::TextureBase::_destroy_texture() { if (m_tex_id > 0) { ::glDeleteTextures(1, &m_tex_id); m_tex_id = 0; m_tex_height = 0; m_tex_width = 0; } m_data.clear(); } const unsigned char _3DScene::WarningTexture::Background_Color[3] = { 9, 91, 134 }; const unsigned char _3DScene::WarningTexture::Opacity = 255; // Generate a texture data, but don't load it into the GPU yet, as the GPU context may not yet be valid. bool _3DScene::WarningTexture::generate(const std::string& msg) { // Mark the texture as released, but don't release the texture from the GPU yet. m_tex_width = m_tex_height = 0; m_data.clear(); if (msg.empty()) return false; wxMemoryDC memDC; // select default font memDC.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); // calculates texture size wxCoord w, h; memDC.GetTextExtent(msg, &w, &h); m_tex_width = (unsigned int)w; m_tex_height = (unsigned int)h; // generates bitmap wxBitmap bitmap(m_tex_width, m_tex_height); #if defined(__APPLE__) || defined(_MSC_VER) bitmap.UseAlpha(); #endif memDC.SelectObject(bitmap); memDC.SetBackground(wxBrush(wxColour(Background_Color[0], Background_Color[1], Background_Color[2]))); memDC.Clear(); memDC.SetTextForeground(*wxWHITE); // draw message memDC.DrawText(msg, 0, 0); memDC.SelectObject(wxNullBitmap); // Convert the bitmap into a linear data ready to be loaded into the GPU. { wxImage image = bitmap.ConvertToImage(); image.SetMaskColour(Background_Color[0], Background_Color[1], Background_Color[2]); // prepare buffer m_data.assign(4 * m_tex_width * m_tex_height, 0); for (unsigned int h = 0; h < m_tex_height; ++h) { unsigned int hh = h * m_tex_width; unsigned char* px_ptr = m_data.data() + 4 * hh; for (unsigned int w = 0; w < m_tex_width; ++w) { *px_ptr++ = image.GetRed(w, h); *px_ptr++ = image.GetGreen(w, h); *px_ptr++ = image.GetBlue(w, h); *px_ptr++ = image.IsTransparent(w, h) ? 0 : Opacity; } } } return true; } const unsigned char _3DScene::LegendTexture::Squares_Border_Color[3] = { 64, 64, 64 }; const unsigned char _3DScene::LegendTexture::Background_Color[3] = { 9, 91, 134 }; const unsigned char _3DScene::LegendTexture::Opacity = 255; // Generate a texture data, but don't load it into the GPU yet, as the GPU context may not yet be valid. bool _3DScene::LegendTexture::generate(const GCodePreviewData& preview_data, const std::vector& tool_colors) { // Mark the texture as released, but don't release the texture from the GPU yet. m_tex_width = m_tex_height = 0; m_data.clear(); // collects items to render auto title = GUI::L_str(preview_data.get_legend_title()); const GCodePreviewData::LegendItemsList& items = preview_data.get_legend_items(tool_colors); unsigned int items_count = (unsigned int)items.size(); if (items_count == 0) // nothing to render, return return false; wxMemoryDC memDC; // select default font memDC.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); // calculates texture size wxCoord w, h; memDC.GetTextExtent(title, &w, &h); unsigned int title_width = (unsigned int)w; unsigned int title_height = (unsigned int)h; unsigned int max_text_width = 0; unsigned int max_text_height = 0; for (const GCodePreviewData::LegendItem& item : items) { memDC.GetTextExtent(GUI::from_u8(item.text), &w, &h); max_text_width = std::max(max_text_width, (unsigned int)w); max_text_height = std::max(max_text_height, (unsigned int)h); } m_tex_width = std::max(2 * Px_Border + title_width, 2 * (Px_Border + Px_Square_Contour) + Px_Square + Px_Text_Offset + max_text_width); m_tex_height = 2 * (Px_Border + Px_Square_Contour) + title_height + Px_Title_Offset + items_count * Px_Square; if (items_count > 1) m_tex_height += (items_count - 1) * Px_Square_Contour; // generates bitmap wxBitmap bitmap(m_tex_width, m_tex_height); #if defined(__APPLE__) || defined(_MSC_VER) bitmap.UseAlpha(); #endif memDC.SelectObject(bitmap); memDC.SetBackground(wxBrush(wxColour(Background_Color[0], Background_Color[1], Background_Color[2]))); memDC.Clear(); memDC.SetTextForeground(*wxWHITE); // draw title unsigned int title_x = Px_Border; unsigned int title_y = Px_Border; memDC.DrawText(title, title_x, title_y); // draw icons contours as background unsigned int squares_contour_x = Px_Border; unsigned int squares_contour_y = Px_Border + title_height + Px_Title_Offset; unsigned int squares_contour_width = Px_Square + 2 * Px_Square_Contour; unsigned int squares_contour_height = items_count * Px_Square + 2 * Px_Square_Contour; if (items_count > 1) squares_contour_height += (items_count - 1) * Px_Square_Contour; wxColour color(Squares_Border_Color[0], Squares_Border_Color[1], Squares_Border_Color[2]); wxPen pen(color); wxBrush brush(color); memDC.SetPen(pen); memDC.SetBrush(brush); memDC.DrawRectangle(wxRect(squares_contour_x, squares_contour_y, squares_contour_width, squares_contour_height)); // draw items (colored icon + text) unsigned int icon_x = squares_contour_x + Px_Square_Contour; unsigned int icon_x_inner = icon_x + 1; unsigned int icon_y = squares_contour_y + Px_Square_Contour; unsigned int icon_y_step = Px_Square + Px_Square_Contour; unsigned int text_x = icon_x + Px_Square + Px_Text_Offset; unsigned int text_y_offset = (Px_Square - max_text_height) / 2; unsigned int px_inner_square = Px_Square - 2; for (const GCodePreviewData::LegendItem& item : items) { // draw darker icon perimeter const std::vector& item_color_bytes = item.color.as_bytes(); wxImage::HSVValue dark_hsv = wxImage::RGBtoHSV(wxImage::RGBValue(item_color_bytes[0], item_color_bytes[1], item_color_bytes[2])); dark_hsv.value *= 0.75; wxImage::RGBValue dark_rgb = wxImage::HSVtoRGB(dark_hsv); color.Set(dark_rgb.red, dark_rgb.green, dark_rgb.blue, item_color_bytes[3]); pen.SetColour(color); brush.SetColour(color); memDC.SetPen(pen); memDC.SetBrush(brush); memDC.DrawRectangle(wxRect(icon_x, icon_y, Px_Square, Px_Square)); // draw icon interior color.Set(item_color_bytes[0], item_color_bytes[1], item_color_bytes[2], item_color_bytes[3]); pen.SetColour(color); brush.SetColour(color); memDC.SetPen(pen); memDC.SetBrush(brush); memDC.DrawRectangle(wxRect(icon_x_inner, icon_y + 1, px_inner_square, px_inner_square)); // draw text memDC.DrawText(GUI::from_u8(item.text), text_x, icon_y + text_y_offset); // update y icon_y += icon_y_step; } memDC.SelectObject(wxNullBitmap); // Convert the bitmap into a linear data ready to be loaded into the GPU. { wxImage image = bitmap.ConvertToImage(); image.SetMaskColour(Background_Color[0], Background_Color[1], Background_Color[2]); // prepare buffer m_data.assign(4 * m_tex_width * m_tex_height, 0); for (unsigned int h = 0; h < m_tex_height; ++h) { unsigned int hh = h * m_tex_width; unsigned char* px_ptr = m_data.data() + 4 * hh; for (unsigned int w = 0; w < m_tex_width; ++w) { *px_ptr++ = image.GetRed(w, h); *px_ptr++ = image.GetGreen(w, h); *px_ptr++ = image.GetBlue(w, h); *px_ptr++ = image.IsTransparent(w, h) ? 0 : Opacity; } } } return true; } //################################################################################################################## void _3DScene::init_gl() { s_canvas_mgr.init_gl(); } bool _3DScene::use_VBOs() { return s_canvas_mgr.use_VBOs(); } bool _3DScene::add_canvas(wxGLCanvas* canvas, wxGLContext* context) { std::cout << "_3DScene::add_canvas()" << std::endl; return s_canvas_mgr.add(canvas, context); } bool _3DScene::remove_canvas(wxGLCanvas* canvas) { std::cout << "_3DScene::remove_canvas()" << std::endl; return s_canvas_mgr.remove(canvas); } void _3DScene::remove_all_canvases() { std::cout << "_3DScene::remove_all_canvases()" << std::endl; std::cout << "# canvases not yet released: " << s_canvas_mgr.count() << std::endl; s_canvas_mgr.remove_all(); } bool _3DScene::init(wxGLCanvas* canvas, bool useVBOs) { return s_canvas_mgr.init(canvas, useVBOs); } bool _3DScene::is_dirty(wxGLCanvas* canvas) { return s_canvas_mgr.is_dirty(canvas); } void _3DScene::set_dirty(wxGLCanvas* canvas, bool dirty) { s_canvas_mgr.set_dirty(canvas, dirty); } bool _3DScene::is_shown_on_screen(wxGLCanvas* canvas) { return s_canvas_mgr.is_shown_on_screen(canvas); } void _3DScene::resize(wxGLCanvas* canvas, unsigned int w, unsigned int h) { s_canvas_mgr.resize(canvas, w, h); } GLVolumeCollection* _3DScene::get_volumes(wxGLCanvas* canvas) { return s_canvas_mgr.get_volumes(canvas); } void _3DScene::set_volumes(wxGLCanvas* canvas, GLVolumeCollection* volumes) { s_canvas_mgr.set_volumes(canvas, volumes); } void _3DScene::reset_volumes(wxGLCanvas* canvas) { s_canvas_mgr.reset_volumes(canvas); } DynamicPrintConfig* _3DScene::get_config(wxGLCanvas* canvas) { return s_canvas_mgr.get_config(canvas); } void _3DScene::set_config(wxGLCanvas* canvas, DynamicPrintConfig* config) { s_canvas_mgr.set_config(canvas, config); } void _3DScene::set_bed_shape(wxGLCanvas* canvas, const Pointfs& shape) { return s_canvas_mgr.set_bed_shape(canvas, shape); } void _3DScene::set_auto_bed_shape(wxGLCanvas* canvas) { return s_canvas_mgr.set_auto_bed_shape(canvas); } BoundingBoxf3 _3DScene::get_bed_bounding_box(wxGLCanvas* canvas) { return s_canvas_mgr.get_bed_bounding_box(canvas); } BoundingBoxf3 _3DScene::get_volumes_bounding_box(wxGLCanvas* canvas) { return s_canvas_mgr.get_volumes_bounding_box(canvas); } BoundingBoxf3 _3DScene::get_max_bounding_box(wxGLCanvas* canvas) { return s_canvas_mgr.get_max_bounding_box(canvas); } Pointf3 _3DScene::get_axes_origin(wxGLCanvas* canvas) { return s_canvas_mgr.get_axes_origin(canvas); } void _3DScene::set_axes_origin(wxGLCanvas* canvas, const Pointf3* origin) { if (origin != nullptr) s_canvas_mgr.set_axes_origin(canvas, *origin); } float _3DScene::get_axes_length(wxGLCanvas* canvas) { return s_canvas_mgr.get_axes_length(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) { return s_canvas_mgr.set_cutting_plane(canvas, z, polygons); } unsigned int _3DScene::get_camera_type(wxGLCanvas* canvas) { return s_canvas_mgr.get_camera_type(canvas); } void _3DScene::set_camera_type(wxGLCanvas* canvas, unsigned int type) { s_canvas_mgr.set_camera_type(canvas, type); } std::string _3DScene::get_camera_type_as_string(wxGLCanvas* canvas) { return s_canvas_mgr.get_camera_type_as_string(canvas); } float _3DScene::get_camera_zoom(wxGLCanvas* canvas) { return s_canvas_mgr.get_camera_zoom(canvas); } void _3DScene::set_camera_zoom(wxGLCanvas* canvas, float zoom) { s_canvas_mgr.set_camera_zoom(canvas, zoom); } float _3DScene::get_camera_phi(wxGLCanvas* canvas) { return s_canvas_mgr.get_camera_phi(canvas); } void _3DScene::set_camera_phi(wxGLCanvas* canvas, float phi) { s_canvas_mgr.set_camera_phi(canvas, phi); } float _3DScene::get_camera_theta(wxGLCanvas* canvas) { return s_canvas_mgr.get_camera_theta(canvas); } void _3DScene::set_camera_theta(wxGLCanvas* canvas, float theta) { s_canvas_mgr.set_camera_theta(canvas, theta); } float _3DScene::get_camera_distance(wxGLCanvas* canvas) { return s_canvas_mgr.get_camera_distance(canvas); } void _3DScene::set_camera_distance(wxGLCanvas* canvas, float distance) { s_canvas_mgr.set_camera_distance(canvas, distance); } Pointf3 _3DScene::get_camera_target(wxGLCanvas* canvas) { return s_canvas_mgr.get_camera_target(canvas); } void _3DScene::set_camera_target(wxGLCanvas* canvas, const Pointf3* target) { if (target != nullptr) s_canvas_mgr.set_camera_target(canvas, *target); } bool _3DScene::is_layers_editing_enabled(wxGLCanvas* canvas) { return s_canvas_mgr.is_layers_editing_enabled(canvas); } bool _3DScene::is_picking_enabled(wxGLCanvas* canvas) { return s_canvas_mgr.is_picking_enabled(canvas); } bool _3DScene::is_shader_enabled(wxGLCanvas* canvas) { return s_canvas_mgr.is_shader_enabled(canvas); } bool _3DScene::is_multisample_allowed(wxGLCanvas* canvas) { return s_canvas_mgr.is_multisample_allowed(canvas); } 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_shader(wxGLCanvas* canvas, bool enable) { s_canvas_mgr.enable_shader(canvas, enable); } void _3DScene::allow_multisample(wxGLCanvas* canvas, bool allow) { s_canvas_mgr.allow_multisample(canvas, allow); } bool _3DScene::is_mouse_dragging(wxGLCanvas* canvas) { return s_canvas_mgr.is_mouse_dragging(canvas); } void _3DScene::set_mouse_dragging(wxGLCanvas* canvas, bool dragging) { s_canvas_mgr.set_mouse_dragging(canvas, dragging); } Pointf _3DScene::get_mouse_position(wxGLCanvas* canvas) { return s_canvas_mgr.get_mouse_position(canvas); } void _3DScene::set_mouse_position(wxGLCanvas* canvas, const Pointf* position) { if (position != nullptr) s_canvas_mgr.set_mouse_position(canvas, *position); } int _3DScene::get_hover_volume_id(wxGLCanvas* canvas) { return s_canvas_mgr.get_hover_volume_id(canvas); } void _3DScene::set_hover_volume_id(wxGLCanvas* canvas, int id) { s_canvas_mgr.set_hover_volume_id(canvas, id); } 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); } bool _3DScene::start_using_shader(wxGLCanvas* canvas) { return s_canvas_mgr.start_using_shader(canvas); } void _3DScene::stop_using_shader(wxGLCanvas* canvas) { s_canvas_mgr.stop_using_shader(canvas); } void _3DScene::picking_pass(wxGLCanvas* canvas) { s_canvas_mgr.picking_pass(canvas); } void _3DScene::render_background(wxGLCanvas* canvas) { s_canvas_mgr.render_background(canvas); } void _3DScene::render_bed(wxGLCanvas* canvas) { s_canvas_mgr.render_bed(canvas); } void _3DScene::render_axes(wxGLCanvas* canvas) { s_canvas_mgr.render_axes(canvas); } void _3DScene::render_volumes(wxGLCanvas* canvas, bool fake_colors) { s_canvas_mgr.render_volumes(canvas, fake_colors); } void _3DScene::render_objects(wxGLCanvas* canvas, bool useVBOs) { s_canvas_mgr.render_objects(canvas, useVBOs); } void _3DScene::render_cutting_plane(wxGLCanvas* canvas) { s_canvas_mgr.render_cutting_plane(canvas); } void _3DScene::render_warning_texture(wxGLCanvas* canvas) { s_canvas_mgr.render_warning_texture(canvas); } void _3DScene::render_legend_texture(wxGLCanvas* canvas) { s_canvas_mgr.render_legend_texture(canvas); } void _3DScene::render_layer_editing_textures(wxGLCanvas* canvas, const PrintObject* print_object) { if (print_object != nullptr) s_canvas_mgr.render_layer_editing_textures(canvas, *print_object); } void _3DScene::render_texture(wxGLCanvas* canvas, unsigned int tex_id, float left, float right, float bottom, float top) { s_canvas_mgr.render_texture(canvas, tex_id, left, right, bottom, top); } 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_mark_volumes_for_layer_height_callback(wxGLCanvas* canvas, void* callback) { s_canvas_mgr.register_on_mark_volumes_for_layer_height_callback(canvas, callback); } //void _3DScene::_glew_init() //{ // glewInit(); //} //################################################################################################################## 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 parse_colors(const std::vector &scolors) { std::vector 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; } void _3DScene::load_gcode_preview(const Print* print, const GCodePreviewData* preview_data, GLVolumeCollection* volumes, const std::vector& str_tool_colors, bool use_VBOs) { if ((preview_data == nullptr) || (volumes == nullptr)) return; if (volumes->empty()) { std::vector tool_colors = parse_colors(str_tool_colors); s_gcode_preview_volume_index.reset(); _load_gcode_extrusion_paths(*preview_data, *volumes, tool_colors, use_VBOs); _load_gcode_travel_paths(*preview_data, *volumes, tool_colors, use_VBOs); _load_gcode_retractions(*preview_data, *volumes, use_VBOs); _load_gcode_unretractions(*preview_data, *volumes, use_VBOs); if (volumes->empty()) reset_legend_texture(); else { _generate_legend_texture(*preview_data, tool_colors); // removes empty volumes volumes->volumes.erase(std::remove_if(volumes->volumes.begin(), volumes->volumes.end(), [](const GLVolume *volume) { return volume->print_zs.empty(); }), volumes->volumes.end()); _load_shells(*print, *volumes, use_VBOs); } } _update_gcode_volumes_visibility(*preview_data, *volumes); } unsigned int _3DScene::get_legend_texture_width() { return s_legend_texture.get_texture_width(); } unsigned int _3DScene::get_legend_texture_height() { return s_legend_texture.get_texture_height(); } void _3DScene::reset_legend_texture() { s_legend_texture.reset_texture(); } unsigned int _3DScene::finalize_legend_texture() { return s_legend_texture.finalize(); } unsigned int _3DScene::get_warning_texture_width() { return s_warning_texture.get_texture_width(); } unsigned int _3DScene::get_warning_texture_height() { return s_warning_texture.get_texture_height(); } void _3DScene::generate_warning_texture(const std::string& msg) { s_warning_texture.generate(msg); } void _3DScene::reset_warning_texture() { s_warning_texture.reset_texture(); } unsigned int _3DScene::finalize_warning_texture() { return s_warning_texture.finalize(); } // Create 3D thick extrusion lines for a skirt and brim. // Adds a new Slic3r::GUI::3DScene::Volume to volumes. void _3DScene::_load_print_toolpaths( const Print *print, GLVolumeCollection *volumes, const std::vector &tool_colors, bool use_VBOs) { if (!print->has_skirt() && print->config.brim_width.value == 0) return; const float color[] = { 0.5f, 1.0f, 0.5f, 1.f }; // greenish // number of skirt layers size_t total_layer_count = 0; for (const PrintObject *print_object : print->objects) total_layer_count = std::max(total_layer_count, print_object->total_layer_count()); size_t skirt_height = print->has_infinite_skirt() ? total_layer_count : std::min(print->config.skirt_height.value, total_layer_count); if (skirt_height == 0 && print->config.brim_width.value > 0) skirt_height = 1; // get first skirt_height layers (maybe this should be moved to a PrintObject method?) const PrintObject *object0 = print->objects.front(); std::vector print_zs; print_zs.reserve(skirt_height * 2); for (size_t i = 0; i < std::min(skirt_height, object0->layers.size()); ++ i) print_zs.push_back(float(object0->layers[i]->print_z)); //FIXME why there are support layers? for (size_t i = 0; i < std::min(skirt_height, object0->support_layers.size()); ++ i) print_zs.push_back(float(object0->support_layers[i]->print_z)); sort_remove_duplicates(print_zs); if (print_zs.size() > skirt_height) print_zs.erase(print_zs.begin() + skirt_height, print_zs.end()); volumes->volumes.emplace_back(new GLVolume(color)); GLVolume &volume = *volumes->volumes.back(); for (size_t i = 0; i < skirt_height; ++ i) { volume.print_zs.push_back(print_zs[i]); volume.offsets.push_back(volume.indexed_vertex_array.quad_indices.size()); volume.offsets.push_back(volume.indexed_vertex_array.triangle_indices.size()); if (i == 0) extrusionentity_to_verts(print->brim, print_zs[i], Point(0, 0), volume); extrusionentity_to_verts(print->skirt, print_zs[i], Point(0, 0), volume); } volume.bounding_box = volume.indexed_vertex_array.bounding_box(); volume.indexed_vertex_array.finalize_geometry(use_VBOs); } // Create 3D thick extrusion lines for object forming extrusions. // Adds a new Slic3r::GUI::3DScene::Volume to $self->volumes, // one for perimeters, one for infill and one for supports. void _3DScene::_load_print_object_toolpaths( const PrintObject *print_object, GLVolumeCollection *volumes, const std::vector &tool_colors_str, bool use_VBOs) { std::vector tool_colors = parse_colors(tool_colors_str); struct Ctxt { const Points *shifted_copies; std::vector layers; bool has_perimeters; bool has_infill; bool has_support; const std::vector* tool_colors; // Number of vertices (each vertex is 6x4=24 bytes long) static const size_t alloc_size_max () { return 131072; } // 3.15MB // static const size_t alloc_size_max () { return 65536; } // 1.57MB // static const size_t alloc_size_max () { return 32768; } // 786kB static const size_t alloc_size_reserve() { return alloc_size_max() * 2; } static const float* color_perimeters () { static float color[4] = { 1.0f, 1.0f, 0.0f, 1.f }; return color; } // yellow static const float* color_infill () { static float color[4] = { 1.0f, 0.5f, 0.5f, 1.f }; return color; } // redish static const float* color_support () { static float color[4] = { 0.5f, 1.0f, 0.5f, 1.f }; return color; } // greenish // For cloring by a tool, return a parsed color. bool color_by_tool() const { return tool_colors != nullptr; } size_t number_tools() const { return this->color_by_tool() ? tool_colors->size() / 4 : 0; } const float* color_tool(size_t tool) const { return tool_colors->data() + tool * 4; } int volume_idx(int extruder, int feature) const { return this->color_by_tool() ? std::min(this->number_tools() - 1, std::max(extruder - 1, 0)) : feature; } } ctxt; ctxt.shifted_copies = &print_object->_shifted_copies; // order layers by print_z ctxt.layers.reserve(print_object->layers.size() + print_object->support_layers.size()); for (const Layer *layer : print_object->layers) ctxt.layers.push_back(layer); for (const Layer *layer : print_object->support_layers) ctxt.layers.push_back(layer); std::sort(ctxt.layers.begin(), ctxt.layers.end(), [](const Layer *l1, const Layer *l2) { return l1->print_z < l2->print_z; }); // Maximum size of an allocation block: 32MB / sizeof(float) ctxt.has_perimeters = print_object->state.is_done(posPerimeters); ctxt.has_infill = print_object->state.is_done(posInfill); ctxt.has_support = print_object->state.is_done(posSupportMaterial); ctxt.tool_colors = tool_colors.empty() ? nullptr : &tool_colors; BOOST_LOG_TRIVIAL(debug) << "Loading print object toolpaths in parallel - start"; //FIXME Improve the heuristics for a grain size. size_t grain_size = std::max(ctxt.layers.size() / 16, size_t(1)); tbb::spin_mutex new_volume_mutex; auto new_volume = [volumes, &new_volume_mutex](const float *color) -> GLVolume* { auto *volume = new GLVolume(color); new_volume_mutex.lock(); volume->outside_printer_detection_enabled = false; volumes->volumes.emplace_back(volume); new_volume_mutex.unlock(); return volume; }; const size_t volumes_cnt_initial = volumes->volumes.size(); std::vector volumes_per_thread(ctxt.layers.size()); tbb::parallel_for( tbb::blocked_range(0, ctxt.layers.size(), grain_size), [&ctxt, &new_volume](const tbb::blocked_range& range) { std::vector vols; if (ctxt.color_by_tool()) { for (size_t i = 0; i < ctxt.number_tools(); ++ i) vols.emplace_back(new_volume(ctxt.color_tool(i))); } else vols = { new_volume(ctxt.color_perimeters()), new_volume(ctxt.color_infill()), new_volume(ctxt.color_support()) }; for (GLVolume *vol : vols) vol->indexed_vertex_array.reserve(ctxt.alloc_size_reserve()); for (size_t idx_layer = range.begin(); idx_layer < range.end(); ++ idx_layer) { const Layer *layer = ctxt.layers[idx_layer]; for (size_t i = 0; i < vols.size(); ++ i) { GLVolume &vol = *vols[i]; if (vol.print_zs.empty() || vol.print_zs.back() != layer->print_z) { vol.print_zs.push_back(layer->print_z); vol.offsets.push_back(vol.indexed_vertex_array.quad_indices.size()); vol.offsets.push_back(vol.indexed_vertex_array.triangle_indices.size()); } } for (const Point ©: *ctxt.shifted_copies) { for (const LayerRegion *layerm : layer->regions) { if (ctxt.has_perimeters) extrusionentity_to_verts(layerm->perimeters, float(layer->print_z), copy, *vols[ctxt.volume_idx(layerm->region()->config.perimeter_extruder.value, 0)]); if (ctxt.has_infill) { for (const ExtrusionEntity *ee : layerm->fills.entities) { // fill represents infill extrusions of a single island. const auto *fill = dynamic_cast(ee); if (! fill->entities.empty()) extrusionentity_to_verts(*fill, float(layer->print_z), copy, *vols[ctxt.volume_idx( is_solid_infill(fill->entities.front()->role()) ? layerm->region()->config.solid_infill_extruder : layerm->region()->config.infill_extruder, 1)]); } } } if (ctxt.has_support) { const SupportLayer *support_layer = dynamic_cast(layer); if (support_layer) { for (const ExtrusionEntity *extrusion_entity : support_layer->support_fills.entities) extrusionentity_to_verts(extrusion_entity, float(layer->print_z), copy, *vols[ctxt.volume_idx( (extrusion_entity->role() == erSupportMaterial) ? support_layer->object()->config.support_material_extruder : support_layer->object()->config.support_material_interface_extruder, 2)]); } } } for (size_t i = 0; i < vols.size(); ++ i) { GLVolume &vol = *vols[i]; if (vol.indexed_vertex_array.vertices_and_normals_interleaved.size() / 6 > ctxt.alloc_size_max()) { // Store the vertex arrays and restart their containers, vols[i] = new_volume(vol.color); GLVolume &vol_new = *vols[i]; // Assign the large pre-allocated buffers to the new GLVolume. vol_new.indexed_vertex_array = std::move(vol.indexed_vertex_array); // Copy the content back to the old GLVolume. vol.indexed_vertex_array = vol_new.indexed_vertex_array; // Finalize a bounding box of the old GLVolume. vol.bounding_box = vol.indexed_vertex_array.bounding_box(); // Clear the buffers, but keep them pre-allocated. vol_new.indexed_vertex_array.clear(); // Just make sure that clear did not clear the reserved memory. vol_new.indexed_vertex_array.reserve(ctxt.alloc_size_reserve()); } } } for (GLVolume *vol : vols) { vol->bounding_box = vol->indexed_vertex_array.bounding_box(); vol->indexed_vertex_array.shrink_to_fit(); } }); BOOST_LOG_TRIVIAL(debug) << "Loading print object toolpaths in parallel - finalizing results"; // Remove empty volumes from the newly added volumes. volumes->volumes.erase( std::remove_if(volumes->volumes.begin() + volumes_cnt_initial, volumes->volumes.end(), [](const GLVolume *volume) { return volume->empty(); }), volumes->volumes.end()); for (size_t i = volumes_cnt_initial; i < volumes->volumes.size(); ++ i) volumes->volumes[i]->indexed_vertex_array.finalize_geometry(use_VBOs); BOOST_LOG_TRIVIAL(debug) << "Loading print object toolpaths in parallel - end"; } void _3DScene::_load_wipe_tower_toolpaths( const Print *print, GLVolumeCollection *volumes, const std::vector &tool_colors_str, bool use_VBOs) { if (print->m_wipe_tower_tool_changes.empty()) return; std::vector tool_colors = parse_colors(tool_colors_str); struct Ctxt { const Print *print; const std::vector *tool_colors; // Number of vertices (each vertex is 6x4=24 bytes long) static const size_t alloc_size_max () { return 131072; } // 3.15MB static const size_t alloc_size_reserve() { return alloc_size_max() * 2; } static const float* color_support () { static float color[4] = { 0.5f, 1.0f, 0.5f, 1.f }; return color; } // greenish // For cloring by a tool, return a parsed color. bool color_by_tool() const { return tool_colors != nullptr; } size_t number_tools() const { return this->color_by_tool() ? tool_colors->size() / 4 : 0; } const float* color_tool(size_t tool) const { return tool_colors->data() + tool * 4; } int volume_idx(int tool, int feature) const { return this->color_by_tool() ? std::min(this->number_tools() - 1, std::max(tool, 0)) : feature; } const std::vector& tool_change(size_t idx) { return priming.empty() ? ((idx == print->m_wipe_tower_tool_changes.size()) ? final : print->m_wipe_tower_tool_changes[idx]) : ((idx == 0) ? priming : (idx == print->m_wipe_tower_tool_changes.size() + 1) ? final : print->m_wipe_tower_tool_changes[idx - 1]); } std::vector priming; std::vector final; } ctxt; ctxt.print = print; ctxt.tool_colors = tool_colors.empty() ? nullptr : &tool_colors; if (print->m_wipe_tower_priming) ctxt.priming.emplace_back(*print->m_wipe_tower_priming.get()); if (print->m_wipe_tower_final_purge) ctxt.final.emplace_back(*print->m_wipe_tower_final_purge.get()); BOOST_LOG_TRIVIAL(debug) << "Loading wipe tower toolpaths in parallel - start"; //FIXME Improve the heuristics for a grain size. size_t n_items = print->m_wipe_tower_tool_changes.size() + (ctxt.priming.empty() ? 0 : 1); size_t grain_size = std::max(n_items / 128, size_t(1)); tbb::spin_mutex new_volume_mutex; auto new_volume = [volumes, &new_volume_mutex](const float *color) -> GLVolume* { auto *volume = new GLVolume(color); new_volume_mutex.lock(); volume->outside_printer_detection_enabled = false; volumes->volumes.emplace_back(volume); new_volume_mutex.unlock(); return volume; }; const size_t volumes_cnt_initial = volumes->volumes.size(); std::vector volumes_per_thread(n_items); tbb::parallel_for( tbb::blocked_range(0, n_items, grain_size), [&ctxt, &new_volume](const tbb::blocked_range& range) { // Bounding box of this slab of a wipe tower. std::vector vols; if (ctxt.color_by_tool()) { for (size_t i = 0; i < ctxt.number_tools(); ++ i) vols.emplace_back(new_volume(ctxt.color_tool(i))); } else vols = { new_volume(ctxt.color_support()) }; for (GLVolume *volume : vols) volume->indexed_vertex_array.reserve(ctxt.alloc_size_reserve()); for (size_t idx_layer = range.begin(); idx_layer < range.end(); ++ idx_layer) { const std::vector &layer = ctxt.tool_change(idx_layer); for (size_t i = 0; i < vols.size(); ++ i) { GLVolume &vol = *vols[i]; if (vol.print_zs.empty() || vol.print_zs.back() != layer.front().print_z) { vol.print_zs.push_back(layer.front().print_z); vol.offsets.push_back(vol.indexed_vertex_array.quad_indices.size()); vol.offsets.push_back(vol.indexed_vertex_array.triangle_indices.size()); } } for (const WipeTower::ToolChangeResult &extrusions : layer) { for (size_t i = 1; i < extrusions.extrusions.size();) { const WipeTower::Extrusion &e = extrusions.extrusions[i]; if (e.width == 0.) { ++ i; continue; } size_t j = i + 1; if (ctxt.color_by_tool()) for (; j < extrusions.extrusions.size() && extrusions.extrusions[j].tool == e.tool && extrusions.extrusions[j].width > 0.f; ++ j) ; else for (; j < extrusions.extrusions.size() && extrusions.extrusions[j].width > 0.f; ++ j) ; size_t n_lines = j - i; Lines lines; std::vector widths; std::vector heights; lines.reserve(n_lines); widths.reserve(n_lines); heights.assign(n_lines, extrusions.layer_height); for (; i < j; ++ i) { const WipeTower::Extrusion &e = extrusions.extrusions[i]; assert(e.width > 0.f); const WipeTower::Extrusion &e_prev = *(&e - 1); lines.emplace_back(Point::new_scale(e_prev.pos.x, e_prev.pos.y), Point::new_scale(e.pos.x, e.pos.y)); widths.emplace_back(e.width); } thick_lines_to_verts(lines, widths, heights, lines.front().a == lines.back().b, extrusions.print_z, *vols[ctxt.volume_idx(e.tool, 0)]); } } } for (size_t i = 0; i < vols.size(); ++ i) { GLVolume &vol = *vols[i]; if (vol.indexed_vertex_array.vertices_and_normals_interleaved.size() / 6 > ctxt.alloc_size_max()) { // Store the vertex arrays and restart their containers, vols[i] = new_volume(vol.color); GLVolume &vol_new = *vols[i]; // Assign the large pre-allocated buffers to the new GLVolume. vol_new.indexed_vertex_array = std::move(vol.indexed_vertex_array); // Copy the content back to the old GLVolume. vol.indexed_vertex_array = vol_new.indexed_vertex_array; // Finalize a bounding box of the old GLVolume. vol.bounding_box = vol.indexed_vertex_array.bounding_box(); // Clear the buffers, but keep them pre-allocated. vol_new.indexed_vertex_array.clear(); // Just make sure that clear did not clear the reserved memory. vol_new.indexed_vertex_array.reserve(ctxt.alloc_size_reserve()); } } for (GLVolume *vol : vols) { vol->bounding_box = vol->indexed_vertex_array.bounding_box(); vol->indexed_vertex_array.shrink_to_fit(); } }); BOOST_LOG_TRIVIAL(debug) << "Loading wipe tower toolpaths in parallel - finalizing results"; // Remove empty volumes from the newly added volumes. volumes->volumes.erase( std::remove_if(volumes->volumes.begin() + volumes_cnt_initial, volumes->volumes.end(), [](const GLVolume *volume) { return volume->empty(); }), volumes->volumes.end()); for (size_t i = volumes_cnt_initial; i < volumes->volumes.size(); ++ i) volumes->volumes[i]->indexed_vertex_array.finalize_geometry(use_VBOs); BOOST_LOG_TRIVIAL(debug) << "Loading wipe tower toolpaths in parallel - end"; } void _3DScene::_load_gcode_extrusion_paths(const GCodePreviewData& preview_data, GLVolumeCollection& volumes, const std::vector& tool_colors, bool use_VBOs) { // helper functions to select data in dependence of the extrusion view type struct Helper { static float path_filter(GCodePreviewData::Extrusion::EViewType type, const ExtrusionPath& path) { switch (type) { case GCodePreviewData::Extrusion::FeatureType: return (float)path.role(); case GCodePreviewData::Extrusion::Height: return path.height; case GCodePreviewData::Extrusion::Width: return path.width; case GCodePreviewData::Extrusion::Feedrate: return path.feedrate; case GCodePreviewData::Extrusion::VolumetricRate: return path.feedrate * (float)path.mm3_per_mm; case GCodePreviewData::Extrusion::Tool: return (float)path.extruder_id; } return 0.0f; } static GCodePreviewData::Color path_color(const GCodePreviewData& data, const std::vector& tool_colors, float value) { switch (data.extrusion.view_type) { case GCodePreviewData::Extrusion::FeatureType: return data.get_extrusion_role_color((ExtrusionRole)(int)value); case GCodePreviewData::Extrusion::Height: return data.get_height_color(value); case GCodePreviewData::Extrusion::Width: return data.get_width_color(value); case GCodePreviewData::Extrusion::Feedrate: return data.get_feedrate_color(value); case GCodePreviewData::Extrusion::VolumetricRate: return data.get_volumetric_rate_color(value); case GCodePreviewData::Extrusion::Tool: { GCodePreviewData::Color color; ::memcpy((void*)color.rgba, (const void*)(tool_colors.data() + (unsigned int)value * 4), 4 * sizeof(float)); return color; } } return GCodePreviewData::Color::Dummy; } }; // Helper structure for filters struct Filter { float value; ExtrusionRole role; GLVolume* volume; Filter(float value, ExtrusionRole role) : value(value) , role(role) , volume(nullptr) { } bool operator == (const Filter& other) const { if (value != other.value) return false; if (role != other.role) return false; return true; } }; typedef std::vector FiltersList; size_t initial_volumes_count = volumes.volumes.size(); // detects filters FiltersList filters; for (const GCodePreviewData::Extrusion::Layer& layer : preview_data.extrusion.layers) { for (const ExtrusionPath& path : layer.paths) { ExtrusionRole role = path.role(); float path_filter = Helper::path_filter(preview_data.extrusion.view_type, path); if (std::find(filters.begin(), filters.end(), Filter(path_filter, role)) == filters.end()) filters.emplace_back(path_filter, role); } } // nothing to render, return if (filters.empty()) return; // creates a new volume for each filter for (Filter& filter : filters) { s_gcode_preview_volume_index.first_volumes.emplace_back(GCodePreviewVolumeIndex::Extrusion, (unsigned int)filter.role, (unsigned int)volumes.volumes.size()); GLVolume* volume = new GLVolume(Helper::path_color(preview_data, tool_colors, filter.value).rgba); if (volume != nullptr) { filter.volume = volume; volumes.volumes.emplace_back(volume); } else { // an error occourred - restore to previous state and return s_gcode_preview_volume_index.first_volumes.pop_back(); if (initial_volumes_count != volumes.volumes.size()) { std::vector::iterator begin = volumes.volumes.begin() + initial_volumes_count; std::vector::iterator end = volumes.volumes.end(); for (std::vector::iterator it = begin; it < end; ++it) { GLVolume* volume = *it; delete volume; } volumes.volumes.erase(begin, end); return; } } } // populates volumes for (const GCodePreviewData::Extrusion::Layer& layer : preview_data.extrusion.layers) { for (const ExtrusionPath& path : layer.paths) { float path_filter = Helper::path_filter(preview_data.extrusion.view_type, path); FiltersList::iterator filter = std::find(filters.begin(), filters.end(), Filter(path_filter, path.role())); if (filter != filters.end()) { filter->volume->print_zs.push_back(layer.z); filter->volume->offsets.push_back(filter->volume->indexed_vertex_array.quad_indices.size()); filter->volume->offsets.push_back(filter->volume->indexed_vertex_array.triangle_indices.size()); extrusionentity_to_verts(path, layer.z, *filter->volume); } } } // finalize volumes and sends geometry to gpu if (volumes.volumes.size() > initial_volumes_count) { for (size_t i = initial_volumes_count; i < volumes.volumes.size(); ++i) { GLVolume* volume = volumes.volumes[i]; volume->bounding_box = volume->indexed_vertex_array.bounding_box(); volume->indexed_vertex_array.finalize_geometry(use_VBOs); } } } void _3DScene::_load_gcode_travel_paths(const GCodePreviewData& preview_data, GLVolumeCollection& volumes, const std::vector& tool_colors, bool use_VBOs) { size_t initial_volumes_count = volumes.volumes.size(); s_gcode_preview_volume_index.first_volumes.emplace_back(GCodePreviewVolumeIndex::Travel, 0, (unsigned int)initial_volumes_count); bool res = true; switch (preview_data.extrusion.view_type) { case GCodePreviewData::Extrusion::Feedrate: { res = _travel_paths_by_feedrate(preview_data, volumes); break; } case GCodePreviewData::Extrusion::Tool: { res = _travel_paths_by_tool(preview_data, volumes, tool_colors); break; } default: { res = _travel_paths_by_type(preview_data, volumes); break; } } if (!res) { // an error occourred - restore to previous state and return if (initial_volumes_count != volumes.volumes.size()) { std::vector::iterator begin = volumes.volumes.begin() + initial_volumes_count; std::vector::iterator end = volumes.volumes.end(); for (std::vector::iterator it = begin; it < end; ++it) { GLVolume* volume = *it; delete volume; } volumes.volumes.erase(begin, end); } return; } // finalize volumes and sends geometry to gpu if (volumes.volumes.size() > initial_volumes_count) { for (size_t i = initial_volumes_count; i < volumes.volumes.size(); ++i) { GLVolume* volume = volumes.volumes[i]; volume->bounding_box = volume->indexed_vertex_array.bounding_box(); volume->indexed_vertex_array.finalize_geometry(use_VBOs); } } } bool _3DScene::_travel_paths_by_type(const GCodePreviewData& preview_data, GLVolumeCollection& volumes) { // Helper structure for types struct Type { GCodePreviewData::Travel::EType value; GLVolume* volume; explicit Type(GCodePreviewData::Travel::EType value) : value(value) , volume(nullptr) { } bool operator == (const Type& other) const { return value == other.value; } }; typedef std::vector TypesList; // colors travels by travel type // detects types TypesList types; for (const GCodePreviewData::Travel::Polyline& polyline : preview_data.travel.polylines) { if (std::find(types.begin(), types.end(), Type(polyline.type)) == types.end()) types.emplace_back(polyline.type); } // nothing to render, return if (types.empty()) return true; // creates a new volume for each type for (Type& type : types) { GLVolume* volume = new GLVolume(preview_data.travel.type_colors[type.value].rgba); if (volume == nullptr) return false; else { type.volume = volume; volumes.volumes.emplace_back(volume); } } // populates volumes for (const GCodePreviewData::Travel::Polyline& polyline : preview_data.travel.polylines) { TypesList::iterator type = std::find(types.begin(), types.end(), Type(polyline.type)); if (type != types.end()) { type->volume->print_zs.push_back(unscale(polyline.polyline.bounding_box().min.z)); type->volume->offsets.push_back(type->volume->indexed_vertex_array.quad_indices.size()); type->volume->offsets.push_back(type->volume->indexed_vertex_array.triangle_indices.size()); polyline3_to_verts(polyline.polyline, preview_data.travel.width, preview_data.travel.height, *type->volume); } } return true; } bool _3DScene::_travel_paths_by_feedrate(const GCodePreviewData& preview_data, GLVolumeCollection& volumes) { // Helper structure for feedrate struct Feedrate { float value; GLVolume* volume; explicit Feedrate(float value) : value(value) , volume(nullptr) { } bool operator == (const Feedrate& other) const { return value == other.value; } }; typedef std::vector FeedratesList; // colors travels by feedrate // detects feedrates FeedratesList feedrates; for (const GCodePreviewData::Travel::Polyline& polyline : preview_data.travel.polylines) { if (std::find(feedrates.begin(), feedrates.end(), Feedrate(polyline.feedrate)) == feedrates.end()) feedrates.emplace_back(polyline.feedrate); } // nothing to render, return if (feedrates.empty()) return true; // creates a new volume for each feedrate for (Feedrate& feedrate : feedrates) { GLVolume* volume = new GLVolume(preview_data.get_feedrate_color(feedrate.value).rgba); if (volume == nullptr) return false; else { feedrate.volume = volume; volumes.volumes.emplace_back(volume); } } // populates volumes for (const GCodePreviewData::Travel::Polyline& polyline : preview_data.travel.polylines) { FeedratesList::iterator feedrate = std::find(feedrates.begin(), feedrates.end(), Feedrate(polyline.feedrate)); if (feedrate != feedrates.end()) { feedrate->volume->print_zs.push_back(unscale(polyline.polyline.bounding_box().min.z)); feedrate->volume->offsets.push_back(feedrate->volume->indexed_vertex_array.quad_indices.size()); feedrate->volume->offsets.push_back(feedrate->volume->indexed_vertex_array.triangle_indices.size()); polyline3_to_verts(polyline.polyline, preview_data.travel.width, preview_data.travel.height, *feedrate->volume); } } return true; } bool _3DScene::_travel_paths_by_tool(const GCodePreviewData& preview_data, GLVolumeCollection& volumes, const std::vector& tool_colors) { // Helper structure for tool struct Tool { unsigned int value; GLVolume* volume; explicit Tool(unsigned int value) : value(value) , volume(nullptr) { } bool operator == (const Tool& other) const { return value == other.value; } }; typedef std::vector ToolsList; // colors travels by tool // detects tools ToolsList tools; for (const GCodePreviewData::Travel::Polyline& polyline : preview_data.travel.polylines) { if (std::find(tools.begin(), tools.end(), Tool(polyline.extruder_id)) == tools.end()) tools.emplace_back(polyline.extruder_id); } // nothing to render, return if (tools.empty()) return true; // creates a new volume for each tool for (Tool& tool : tools) { GLVolume* volume = new GLVolume(tool_colors.data() + tool.value * 4); if (volume == nullptr) return false; else { tool.volume = volume; volumes.volumes.emplace_back(volume); } } // populates volumes for (const GCodePreviewData::Travel::Polyline& polyline : preview_data.travel.polylines) { ToolsList::iterator tool = std::find(tools.begin(), tools.end(), Tool(polyline.extruder_id)); if (tool != tools.end()) { tool->volume->print_zs.push_back(unscale(polyline.polyline.bounding_box().min.z)); tool->volume->offsets.push_back(tool->volume->indexed_vertex_array.quad_indices.size()); tool->volume->offsets.push_back(tool->volume->indexed_vertex_array.triangle_indices.size()); polyline3_to_verts(polyline.polyline, preview_data.travel.width, preview_data.travel.height, *tool->volume); } } return true; } void _3DScene::_load_gcode_retractions(const GCodePreviewData& preview_data, GLVolumeCollection& volumes, bool use_VBOs) { s_gcode_preview_volume_index.first_volumes.emplace_back(GCodePreviewVolumeIndex::Retraction, 0, (unsigned int)volumes.volumes.size()); // nothing to render, return if (preview_data.retraction.positions.empty()) return; GLVolume* volume = new GLVolume(preview_data.retraction.color.rgba); if (volume != nullptr) { volumes.volumes.emplace_back(volume); GCodePreviewData::Retraction::PositionsList copy(preview_data.retraction.positions); std::sort(copy.begin(), copy.end(), [](const GCodePreviewData::Retraction::Position& p1, const GCodePreviewData::Retraction::Position& p2){ return p1.position.z < p2.position.z; }); for (const GCodePreviewData::Retraction::Position& position : copy) { volume->print_zs.push_back(unscale(position.position.z)); volume->offsets.push_back(volume->indexed_vertex_array.quad_indices.size()); volume->offsets.push_back(volume->indexed_vertex_array.triangle_indices.size()); point3_to_verts(position.position, position.width, position.height, *volume); } // finalize volumes and sends geometry to gpu volume->bounding_box = volume->indexed_vertex_array.bounding_box(); volume->indexed_vertex_array.finalize_geometry(use_VBOs); } } void _3DScene::_load_gcode_unretractions(const GCodePreviewData& preview_data, GLVolumeCollection& volumes, bool use_VBOs) { s_gcode_preview_volume_index.first_volumes.emplace_back(GCodePreviewVolumeIndex::Unretraction, 0, (unsigned int)volumes.volumes.size()); // nothing to render, return if (preview_data.unretraction.positions.empty()) return; GLVolume* volume = new GLVolume(preview_data.unretraction.color.rgba); if (volume != nullptr) { volumes.volumes.emplace_back(volume); GCodePreviewData::Retraction::PositionsList copy(preview_data.unretraction.positions); std::sort(copy.begin(), copy.end(), [](const GCodePreviewData::Retraction::Position& p1, const GCodePreviewData::Retraction::Position& p2){ return p1.position.z < p2.position.z; }); for (const GCodePreviewData::Retraction::Position& position : copy) { volume->print_zs.push_back(unscale(position.position.z)); volume->offsets.push_back(volume->indexed_vertex_array.quad_indices.size()); volume->offsets.push_back(volume->indexed_vertex_array.triangle_indices.size()); point3_to_verts(position.position, position.width, position.height, *volume); } // finalize volumes and sends geometry to gpu volume->bounding_box = volume->indexed_vertex_array.bounding_box(); volume->indexed_vertex_array.finalize_geometry(use_VBOs); } } void _3DScene::_update_gcode_volumes_visibility(const GCodePreviewData& preview_data, GLVolumeCollection& volumes) { unsigned int size = (unsigned int)s_gcode_preview_volume_index.first_volumes.size(); for (unsigned int i = 0; i < size; ++i) { std::vector::iterator begin = volumes.volumes.begin() + s_gcode_preview_volume_index.first_volumes[i].id; std::vector::iterator end = (i + 1 < size) ? volumes.volumes.begin() + s_gcode_preview_volume_index.first_volumes[i + 1].id : volumes.volumes.end(); for (std::vector::iterator it = begin; it != end; ++it) { GLVolume* volume = *it; volume->outside_printer_detection_enabled = false; switch (s_gcode_preview_volume_index.first_volumes[i].type) { case GCodePreviewVolumeIndex::Extrusion: { if ((ExtrusionRole)s_gcode_preview_volume_index.first_volumes[i].flag == erCustom) volume->zoom_to_volumes = false; volume->is_active = preview_data.extrusion.is_role_flag_set((ExtrusionRole)s_gcode_preview_volume_index.first_volumes[i].flag); break; } case GCodePreviewVolumeIndex::Travel: { volume->is_active = preview_data.travel.is_visible; volume->zoom_to_volumes = false; break; } case GCodePreviewVolumeIndex::Retraction: { volume->is_active = preview_data.retraction.is_visible; volume->zoom_to_volumes = false; break; } case GCodePreviewVolumeIndex::Unretraction: { volume->is_active = preview_data.unretraction.is_visible; volume->zoom_to_volumes = false; break; } case GCodePreviewVolumeIndex::Shell: { volume->is_active = preview_data.shell.is_visible; volume->color[3] = 0.25f; volume->zoom_to_volumes = false; break; } default: { volume->is_active = false; volume->zoom_to_volumes = false; break; } } } } } void _3DScene::_generate_legend_texture(const GCodePreviewData& preview_data, const std::vector& tool_colors) { s_legend_texture.generate(preview_data, tool_colors); } void _3DScene::_load_shells(const Print& print, GLVolumeCollection& volumes, bool use_VBOs) { size_t initial_volumes_count = volumes.volumes.size(); s_gcode_preview_volume_index.first_volumes.emplace_back(GCodePreviewVolumeIndex::Shell, 0, (unsigned int)initial_volumes_count); if (print.objects.empty()) // nothing to render, return return; // adds objects' volumes unsigned int object_id = 0; for (PrintObject* obj : print.objects) { ModelObject* model_obj = obj->model_object(); std::vector instance_ids(model_obj->instances.size()); for (int i = 0; i < model_obj->instances.size(); ++i) { instance_ids[i] = i; } for (ModelInstance* instance : model_obj->instances) { volumes.load_object(model_obj, object_id, instance_ids, "object", "object", "object", use_VBOs); } ++object_id; } // adds wipe tower's volume coordf_t max_z = print.objects[0]->model_object()->get_model()->bounding_box().max.z; const PrintConfig& config = print.config; unsigned int extruders_count = config.nozzle_diameter.size(); if ((extruders_count > 1) && config.single_extruder_multi_material && config.wipe_tower && !config.complete_objects) { const float width_per_extruder = 15.f; // a simple workaround after wipe_tower_per_color_wipe got obsolete volumes.load_wipe_tower_preview(1000, config.wipe_tower_x, config.wipe_tower_y, config.wipe_tower_width, width_per_extruder * (extruders_count - 1), max_z, config.wipe_tower_rotation_angle, use_VBOs); } } } // namespace Slic3r