3DPrinting/PrusaSlicer-NonPlainar
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PrusaSlicer-NonPlainar/xs/src/slic3r/GUI/3DScene.cpp
YuSanka 751c97c503 Localize the Plater tab 
* Marking and translation of Plater tab are complited
* GUI.pm is marked to l10n
* Fix small bug with Extruder adding at Printer Settings tab
2018-02-28 15:41:35 +01:00

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#include <GL/glew.h>
#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 "GCode/Analyzer.hpp"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <utility>
#include <assert.h>
#include <boost/log/trivial.hpp>
#include <tbb/parallel_for.h>
#include <tbb/spin_mutex.h>
#include <wx/bitmap.h>
#include <wx/dcmemory.h>
#include <wx/image.h>
#include <wx/settings.h>
#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::finalize_geometry(bool use_VBOs)
{
assert(this->vertices_and_normals_interleaved_VBO_id == 0);
assert(this->triangle_indices_VBO_id == 0);
assert(this->quad_indices_VBO_id == 0);
this->setup_sizes();
if (use_VBOs) {
if (! empty()) {
glGenBuffers(1, &this->vertices_and_normals_interleaved_VBO_id);
glBindBuffer(GL_ARRAY_BUFFER, this->vertices_and_normals_interleaved_VBO_id);
glBufferData(GL_ARRAY_BUFFER, this->vertices_and_normals_interleaved.size() * 4, this->vertices_and_normals_interleaved.data(), GL_STATIC_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, 0);
this->vertices_and_normals_interleaved.clear();
}
if (! this->triangle_indices.empty()) {
glGenBuffers(1, &this->triangle_indices_VBO_id);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, this->triangle_indices_VBO_id);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, this->triangle_indices.size() * 4, this->triangle_indices.data(), GL_STATIC_DRAW);
this->triangle_indices.clear();
}
if (! this->quad_indices.empty()) {
glGenBuffers(1, &this->quad_indices_VBO_id);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, this->quad_indices_VBO_id);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, this->quad_indices.size() * 4, this->quad_indices.data(), GL_STATIC_DRAW);
this->quad_indices.clear();
}
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
}
this->shrink_to_fit();
}
void GLIndexedVertexArray::release_geometry()
{
if (this->vertices_and_normals_interleaved_VBO_id)
glDeleteBuffers(1, &this->vertices_and_normals_interleaved_VBO_id);
if (this->triangle_indices_VBO_id)
glDeleteBuffers(1, &this->triangle_indices_VBO_id);
if (this->quad_indices_VBO_id)
glDeleteBuffers(1, &this->quad_indices_VBO_id);
this->clear();
this->shrink_to_fit();
}
void GLIndexedVertexArray::render() const
{
if (this->vertices_and_normals_interleaved_VBO_id) {
glBindBuffer(GL_ARRAY_BUFFER, this->vertices_and_normals_interleaved_VBO_id);
glVertexPointer(3, GL_FLOAT, 6 * sizeof(float), (const void*)(3 * sizeof(float)));
glNormalPointer(GL_FLOAT, 6 * sizeof(float), nullptr);
} else {
glVertexPointer(3, GL_FLOAT, 6 * sizeof(float), this->vertices_and_normals_interleaved.data() + 3);
glNormalPointer(GL_FLOAT, 6 * sizeof(float), this->vertices_and_normals_interleaved.data());
}
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
if (this->indexed()) {
if (this->vertices_and_normals_interleaved_VBO_id) {
// Render using the Vertex Buffer Objects.
if (this->triangle_indices_size > 0) {
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, this->triangle_indices_VBO_id);
glDrawElements(GL_TRIANGLES, GLsizei(this->triangle_indices_size), GL_UNSIGNED_INT, nullptr);
}
if (this->quad_indices_size > 0) {
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, this->quad_indices_VBO_id);
glDrawElements(GL_QUADS, GLsizei(this->quad_indices_size), GL_UNSIGNED_INT, nullptr);
}
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
} else {
// Render in an immediate mode.
if (! this->triangle_indices.empty())
glDrawElements(GL_TRIANGLES, GLsizei(this->triangle_indices_size), GL_UNSIGNED_INT, this->triangle_indices.data());
if (! this->quad_indices.empty())
glDrawElements(GL_QUADS, GLsizei(this->quad_indices_size), GL_UNSIGNED_INT, this->quad_indices.data());
}
} else
glDrawArrays(GL_TRIANGLES, 0, GLsizei(this->vertices_and_normals_interleaved_size / 6));
if (this->vertices_and_normals_interleaved_VBO_id)
glBindBuffer(GL_ARRAY_BUFFER, 0);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
}
void GLIndexedVertexArray::render(
const std::pair<size_t, size_t> &tverts_range,
const std::pair<size_t, size_t> &qverts_range) const
{
assert(this->indexed());
if (! this->indexed())
return;
if (this->vertices_and_normals_interleaved_VBO_id) {
// Render using the Vertex Buffer Objects.
glBindBuffer(GL_ARRAY_BUFFER, this->vertices_and_normals_interleaved_VBO_id);
glVertexPointer(3, GL_FLOAT, 6 * sizeof(float), (const void*)(3 * sizeof(float)));
glNormalPointer(GL_FLOAT, 6 * sizeof(float), nullptr);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
if (this->triangle_indices_size > 0) {
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, this->triangle_indices_VBO_id);
glDrawElements(GL_TRIANGLES, GLsizei(std::min(this->triangle_indices_size, tverts_range.second - tverts_range.first)), GL_UNSIGNED_INT, (const void*)(tverts_range.first * 4));
}
if (this->quad_indices_size > 0) {
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, this->quad_indices_VBO_id);
glDrawElements(GL_QUADS, GLsizei(std::min(this->quad_indices_size, qverts_range.second - qverts_range.first)), GL_UNSIGNED_INT, (const void*)(qverts_range.first * 4));
}
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
} else {
// Render in an immediate mode.
glVertexPointer(3, GL_FLOAT, 6 * sizeof(float), this->vertices_and_normals_interleaved.data() + 3);
glNormalPointer(GL_FLOAT, 6 * sizeof(float), this->vertices_and_normals_interleaved.data());
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
if (! this->triangle_indices.empty())
glDrawElements(GL_TRIANGLES, GLsizei(std::min(this->triangle_indices_size, tverts_range.second - tverts_range.first)), GL_UNSIGNED_INT, (const void*)(this->triangle_indices.data() + tverts_range.first));
if (! this->quad_indices.empty())
glDrawElements(GL_QUADS, GLsizei(std::min(this->quad_indices_size, qverts_range.second - qverts_range.first)), GL_UNSIGNED_INT, (const void*)(this->quad_indices.data() + qverts_range.first));
}
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
}
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::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<int> GLVolumeCollection::load_object(
const ModelObject *model_object,
int obj_idx,
const std::vector<int> &instance_idxs,
const std::string &color_by,
const std::string &select_by,
const std::string &drag_by,
bool use_VBOs)
{
static float colors[4][4] = {
{ 1.0f, 1.0f, 0.0f, 1.f },
{ 1.0f, 0.5f, 0.5f, 1.f },
{ 0.5f, 1.0f, 0.5f, 1.f },
{ 0.5f, 0.5f, 1.0f, 1.f }
};
// Object will have a single common layer height texture for all volumes.
std::shared_ptr<GLTexture> layer_height_texture = std::make_shared<GLTexture>();
std::vector<int> volumes_idx;
for (int volume_idx = 0; volume_idx < int(model_object->volumes.size()); ++ volume_idx) {
const ModelVolume *model_volume = model_object->volumes[volume_idx];
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();
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;
}
}
return volumes_idx;
}
int GLVolumeCollection::load_wipe_tower_preview(
int obj_idx, float pos_x, float pos_y, float width, float depth, float height, bool use_VBOs)
{
float color[4] = { 1.0f, 1.0f, 0.0f, 0.5f };
this->volumes.emplace_back(new GLVolume(color));
GLVolume &v = *this->volumes.back();
auto mesh = make_cube(width, depth, height);
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;
return int(this->volumes.size() - 1);
}
void GLVolumeCollection::render_VBOs() const
{
// glEnable(GL_BLEND);
// glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glCullFace(GL_BACK);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
GLint current_program_id;
glGetIntegerv(GL_CURRENT_PROGRAM, &current_program_id);
GLint color_id = (current_program_id > 0) ? glGetUniformLocation(current_program_id, "uniform_color") : -1;
for (GLVolume *volume : this->volumes) {
if (!volume->is_active)
continue;
if (!volume->indexed_vertex_array.vertices_and_normals_interleaved_VBO_id)
continue;
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)
{
if (_render_interleaved_only_volumes.enabled)
{
::glDisableClientState(GL_VERTEX_ARRAY);
::glDisableClientState(GL_NORMAL_ARRAY);
::glEnable(GL_BLEND);
::glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
if (color_id >= 0)
{
float color[4];
::memcpy((void*)color, (const void*)volume->color, 3 * sizeof(float));
color[3] = _render_interleaved_only_volumes.alpha;
::glUniform4fv(color_id, 1, (const GLfloat*)color);
}
else
::glColor4f(volume->color[0], volume->color[1], volume->color[2], _render_interleaved_only_volumes.alpha);
volume->render();
::glDisable(GL_BLEND);
::glEnableClientState(GL_VERTEX_ARRAY);
::glEnableClientState(GL_NORMAL_ARRAY);
}
continue;
}
if (color_id >= 0)
glUniform4fv(color_id, 1, (const GLfloat*)volume->color);
else
glColor4f(volume->color[0], volume->color[1], volume->color[2], volume->color[3]);
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);
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));
}
}
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
{
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;
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)
{
if (_render_interleaved_only_volumes.enabled)
{
::glDisableClientState(GL_VERTEX_ARRAY);
::glDisableClientState(GL_NORMAL_ARRAY);
::glEnable(GL_BLEND);
::glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
::glColor4f(volume->color[0], volume->color[1], volume->color[2], _render_interleaved_only_volumes.alpha);
volume->render();
::glDisable(GL_BLEND);
::glEnableClientState(GL_VERTEX_ARRAY);
::glEnableClientState(GL_NORMAL_ARRAY);
}
continue;
}
glColor4f(volume->color[0], volume->color[1], volume->color[2], volume->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)
glPushMatrix();
}
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
}
std::vector<double> GLVolumeCollection::get_current_print_zs() const
{
std::vector<double> print_zs;
for (GLVolume *vol : this->volumes)
{
for (coordf_t z : vol->print_zs)
{
double round_z = (double)round(z * 100000.0f) / 100000.0f;
if (std::find(print_zs.begin(), print_zs.end(), round_z) == print_zs.end())
print_zs.push_back(round_z);
}
}
std::sort(print_zs.begin(), print_zs.end());
return print_zs;
}
// caller is responsible for supplying NO lines with zero length
static void thick_lines_to_indexed_vertex_array(
const Lines &lines,
const std::vector<double> &widths,
const std::vector<double> &heights,
bool closed,
double top_z,
GLIndexedVertexArray &volume)
{
assert(! lines.empty());
if (lines.empty())
return;
#define LEFT 0
#define RIGHT 1
#define TOP 2
#define BOTTOM 3
Line prev_line;
// right, left, top, bottom
int idx_prev[4] = { -1, -1, -1, -1 };
double bottom_z_prev = 0.;
Pointf b1_prev;
Pointf b2_prev;
Vectorf v_prev;
int idx_initial[4] = { -1, -1, -1, -1 };
double width_initial = 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 bottom_z = top_z - heights[i];
double middle_z = (top_z + bottom_z) / 2.;
double width = widths[i];
Vectorf v = Vectorf::new_unscale(line.vector());
v.scale(1. / 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 = width / 2.; // scaled
a1.translate(+dist*v.y, -dist*v.x);
a2.translate(-dist*v.y, +dist*v.x);
b1.translate(+dist*v.y, -dist*v.x);
b2.translate(-dist*v.y, +dist*v.x);
}
// calculate new XY normals
Vector n = line.normal();
Vectorf3 xy_right_normal = Vectorf3::new_unscale(n.x, n.y, 0);
xy_right_normal.scale(1.f / 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;
// Share top / bottom vertices if possible.
if (ii == 0) {
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 (ii == 0 || 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 (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(v_prev, v);
bool sharp = v_dot < 0.707; // sin(45 degrees)
if (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(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) {
// The two successive segments are nearly collinear.
idx_a[LEFT ] = idx_prev[LEFT];
idx_a[RIGHT] = idx_prev[RIGHT];
} else if (! 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.
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 (ii == lines.size()) {
if (! 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.x, b.y, top_z , 0., 0., 1.);
}
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.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);
prev_line = line;
memcpy(idx_prev, idx_b, 4 * sizeof(int));
bottom_z_prev = bottom_z;
b1_prev = b1;
b2_prev = b2;
v_prev = 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
}
// caller is responsible for supplying NO lines with zero length
static void thick_lines_to_indexed_vertex_array(const Lines3& lines,
const std::vector<double>& widths,
const std::vector<double>& heights,
bool closed,
GLIndexedVertexArray& volume)
{
assert(!lines.empty());
if (lines.empty())
return;
#define LEFT 0
#define RIGHT 1
#define TOP 2
#define BOTTOM 3
// left, right, top, bottom
int idx_initial[4] = { -1, -1, -1, -1 };
int idx_prev[4] = { -1, -1, -1, -1 };
double z_prev = 0.0;
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<double> &widths,
const std::vector<double> &heights,
bool closed,
double top_z,
GLVolume &volume)
{
thick_lines_to_indexed_vertex_array(lines, widths, heights, closed, top_z, volume.indexed_vertex_array);
}
static void thick_lines_to_verts(const Lines3& lines,
const std::vector<double>& widths,
const std::vector<double>& heights,
bool closed,
GLVolume& volume)
{
thick_lines_to_indexed_vertex_array(lines, widths, heights, closed, volume.indexed_vertex_array);
}
static void thick_point_to_verts(const 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<double> widths(lines.size(), extrusion_path.width);
std::vector<double> heights(lines.size(), extrusion_path.height);
thick_lines_to_verts(lines, widths, heights, false, print_z, volume);
}
// Fill in the qverts and tverts with quads and triangles for the extrusion_path.
static inline void extrusionentity_to_verts(const ExtrusionPath &extrusion_path, float print_z, const Point &copy, GLVolume &volume)
{
Polyline polyline = extrusion_path.polyline;
polyline.remove_duplicate_points();
polyline.translate(copy);
Lines lines = polyline.lines();
std::vector<double> widths(lines.size(), extrusion_path.width);
std::vector<double> heights(lines.size(), extrusion_path.height);
thick_lines_to_verts(lines, widths, heights, false, print_z, volume);
}
// Fill in the qverts and tverts with quads and triangles for the extrusion_loop.
static inline void extrusionentity_to_verts(const ExtrusionLoop &extrusion_loop, float print_z, const Point &copy, GLVolume &volume)
{
Lines lines;
std::vector<double> widths;
std::vector<double> heights;
for (const ExtrusionPath &extrusion_path : extrusion_loop.paths) {
Polyline polyline = extrusion_path.polyline;
polyline.remove_duplicate_points();
polyline.translate(copy);
Lines lines_this = polyline.lines();
append(lines, lines_this);
widths.insert(widths.end(), lines_this.size(), extrusion_path.width);
heights.insert(heights.end(), lines_this.size(), extrusion_path.height);
}
thick_lines_to_verts(lines, widths, heights, true, print_z, volume);
}
// Fill in the qverts and tverts with quads and triangles for the extrusion_multi_path.
static inline void extrusionentity_to_verts(const ExtrusionMultiPath &extrusion_multi_path, float print_z, const Point &copy, GLVolume &volume)
{
Lines lines;
std::vector<double> widths;
std::vector<double> heights;
for (const ExtrusionPath &extrusion_path : extrusion_multi_path.paths) {
Polyline polyline = extrusion_path.polyline;
polyline.remove_duplicate_points();
polyline.translate(copy);
Lines lines_this = polyline.lines();
append(lines, lines_this);
widths.insert(widths.end(), lines_this.size(), extrusion_path.width);
heights.insert(heights.end(), lines_this.size(), extrusion_path.height);
}
thick_lines_to_verts(lines, widths, heights, false, print_z, volume);
}
static void extrusionentity_to_verts(const ExtrusionEntity *extrusion_entity, float print_z, const Point &copy, GLVolume &volume);
static inline void extrusionentity_to_verts(const ExtrusionEntityCollection &extrusion_entity_collection, float print_z, const Point &copy, GLVolume &volume)
{
for (const ExtrusionEntity *extrusion_entity : extrusion_entity_collection.entities)
extrusionentity_to_verts(extrusion_entity, print_z, copy, volume);
}
static void extrusionentity_to_verts(const ExtrusionEntity *extrusion_entity, float print_z, const Point &copy, GLVolume &volume)
{
if (extrusion_entity != nullptr) {
auto *extrusion_path = dynamic_cast<const ExtrusionPath*>(extrusion_entity);
if (extrusion_path != nullptr)
extrusionentity_to_verts(*extrusion_path, print_z, copy, volume);
else {
auto *extrusion_loop = dynamic_cast<const ExtrusionLoop*>(extrusion_entity);
if (extrusion_loop != nullptr)
extrusionentity_to_verts(*extrusion_loop, print_z, copy, volume);
else {
auto *extrusion_multi_path = dynamic_cast<const ExtrusionMultiPath*>(extrusion_entity);
if (extrusion_multi_path != nullptr)
extrusionentity_to_verts(*extrusion_multi_path, print_z, copy, volume);
else {
auto *extrusion_entity_collection = dynamic_cast<const ExtrusionEntityCollection*>(extrusion_entity);
if (extrusion_entity_collection != nullptr)
extrusionentity_to_verts(*extrusion_entity_collection, print_z, copy, volume);
else {
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<double> widths(lines.size(), width);
std::vector<double> 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;
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<float>& 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<unsigned char>& 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;
}
unsigned int _3DScene::LegendTexture::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::LegendTexture::_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();
}
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<float> parse_colors(const std::vector<std::string> &scolors)
{
std::vector<float> output(scolors.size() * 4, 1.f);
for (size_t i = 0; i < scolors.size(); ++ i) {
const std::string &scolor = scolors[i];
const char *c = scolor.data() + 1;
if (scolor.size() == 7 && scolor.front() == '#') {
for (size_t j = 0; j < 3; ++j) {
int digit1 = hex_digit_to_int(*c ++);
int digit2 = hex_digit_to_int(*c ++);
if (digit1 == -1 || digit2 == -1)
break;
output[i * 4 + j] = float(digit1 * 16 + digit2) / 255.f;
}
}
}
return output;
}
void _3DScene::load_gcode_preview(const Print* print, const GCodePreviewData* preview_data, GLVolumeCollection* volumes, const std::vector<std::string>& str_tool_colors, bool use_VBOs)
{
if ((preview_data == nullptr) || (volumes == nullptr))
return;
if (volumes->empty())
{
std::vector<float> 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();
volumes->set_render_interleaved_only_volumes(GLVolumeCollection::RenderInterleavedOnlyVolumes(false, 0.0f));
}
else
{
_generate_legend_texture(*preview_data, tool_colors);
_load_shells(*print, *volumes, use_VBOs);
volumes->set_render_interleaved_only_volumes(GLVolumeCollection::RenderInterleavedOnlyVolumes(true, 0.25f));
}
}
_update_gcode_volumes_visibility(*preview_data, *volumes);
}
unsigned int _3DScene::get_legend_texture_id()
{
return s_legend_texture.get_texture_id();
}
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();
}
// 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<std::string> &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<size_t>(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<float> 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<std::string> &tool_colors_str,
bool use_VBOs)
{
std::vector<float> tool_colors = parse_colors(tool_colors_str);
struct Ctxt
{
const Points *shifted_copies;
std::vector<const Layer*> layers;
bool has_perimeters;
bool has_infill;
bool has_support;
const std::vector<float>* 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<int>(this->number_tools() - 1, std::max<int>(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();
volumes->volumes.emplace_back(volume);
new_volume_mutex.unlock();
return volume;
};
const size_t volumes_cnt_initial = volumes->volumes.size();
std::vector<GLVolumeCollection> volumes_per_thread(ctxt.layers.size());
tbb::parallel_for(
tbb::blocked_range<size_t>(0, ctxt.layers.size(), grain_size),
[&ctxt, &new_volume](const tbb::blocked_range<size_t>& range) {
std::vector<GLVolume*> 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 &copy: *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<const ExtrusionEntityCollection*>(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<const SupportLayer*>(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<std::string> &tool_colors_str,
bool use_VBOs)
{
if (print->m_wipe_tower_tool_changes.empty())
return;
std::vector<float> tool_colors = parse_colors(tool_colors_str);
struct Ctxt
{
const Print *print;
const std::vector<float> *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<int>(this->number_tools() - 1, std::max<int>(tool, 0)) : feature; }
const std::vector<WipeTower::ToolChangeResult>& 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<WipeTower::ToolChangeResult> priming;
std::vector<WipeTower::ToolChangeResult> 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();
volumes->volumes.emplace_back(volume);
new_volume_mutex.unlock();
return volume;
};
const size_t volumes_cnt_initial = volumes->volumes.size();
std::vector<GLVolumeCollection> volumes_per_thread(n_items);
tbb::parallel_for(
tbb::blocked_range<size_t>(0, n_items, grain_size),
[&ctxt, &new_volume](const tbb::blocked_range<size_t>& range) {
// Bounding box of this slab of a wipe tower.
std::vector<GLVolume*> 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<WipeTower::ToolChangeResult> &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<double> widths;
std::vector<double> 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<float>& 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::Tool:
return (float)path.extruder_id;
}
return 0.0f;
}
static const GCodePreviewData::Color& path_color(const GCodePreviewData& data, const std::vector<float>& 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_extrusion_height_color(value);
case GCodePreviewData::Extrusion::Width:
return data.get_extrusion_width_color(value);
case GCodePreviewData::Extrusion::Feedrate:
return data.get_extrusion_feedrate_color(value);
case GCodePreviewData::Extrusion::Tool:
{
static 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<Filter> 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<GLVolume*>::iterator begin = volumes.volumes.begin() + initial_volumes_count;
std::vector<GLVolume*>::iterator end = volumes.volumes.end();
for (std::vector<GLVolume*>::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<float>& 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<GLVolume*>::iterator begin = volumes.volumes.begin() + initial_volumes_count;
std::vector<GLVolume*>::iterator end = volumes.volumes.end();
for (std::vector<GLVolume*>::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<Type> 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().max.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<Feedrate> 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_extrusion_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().max.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<float>& 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<Tool> 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().max.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);
for (const GCodePreviewData::Retraction::Position& position : preview_data.retraction.positions)
{
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);
for (const GCodePreviewData::Retraction::Position& position : preview_data.unretraction.positions)
{
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<GLVolume*>::iterator begin = volumes.volumes.begin() + s_gcode_preview_volume_index.first_volumes[i].id;
std::vector<GLVolume*>::iterator end = (i + 1 < size) ? volumes.volumes.begin() + s_gcode_preview_volume_index.first_volumes[i + 1].id : volumes.volumes.end();
for (std::vector<GLVolume*>::iterator it = begin; it != end; ++it)
{
GLVolume* volume = *it;
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->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<float>& tool_colors)
{
s_legend_texture.generate(preview_data, tool_colors);
}
unsigned int _3DScene::finalize_legend_texture()
{
return s_legend_texture.finalize();
}
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<int> 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)
volumes.load_wipe_tower_preview(1000, config.wipe_tower_x, config.wipe_tower_y, config.wipe_tower_width, config.wipe_tower_per_color_wipe * (extruders_count - 1), max_z, use_VBOs);
}
}
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