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admesh refactoring: separation of the shared vertices / indices

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into an indexed_triangle_set structure
This commit is contained in:
bubnikv 2019-06-10 18:30:54 +02:00
parent 65238a89b1
commit 6defabea53
11 changed files with 154 additions and 162 deletions
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24
src/libslic3r/Format/3mf.cpp
View file

@ -1881,27 +1881,23 @@ namespace Slic3r {
volumes_offsets.insert(VolumeToOffsetsMap::value_type(volume, Offsets(vertices_count))).first;
if (!volume->mesh.repaired)
volume->mesh.repair();
volume->mesh.require_shared_vertices();
stl_file& stl = volume->mesh.stl;
if (stl.v_shared.empty())
stl_generate_shared_vertices(&stl);
if (stl.v_shared.empty())
const indexed_triangle_set &its = volume->mesh.its;
if (its.vertices.empty())
{
add_error("Found invalid mesh");
return false;
}
vertices_count += stl.v_shared.size();
vertices_count += its.vertices.size();
const Transform3d& matrix = volume->get_matrix();
for (size_t i = 0; i < stl.v_shared.size(); ++i)
for (size_t i = 0; i < its.vertices.size(); ++i)
{
stream << " <" << VERTEX_TAG << " ";
Vec3f v = (matrix * stl.v_shared[i].cast<double>()).cast<float>();
Vec3f v = (matrix * its.vertices[i].cast<double>()).cast<float>();
stream << "x=\"" << v(0) << "\" ";
stream << "y=\"" << v(1) << "\" ";
stream << "z=\"" << v(2) << "\" />\n";
@ -1920,19 +1916,19 @@ namespace Slic3r {
VolumeToOffsetsMap::iterator volume_it = volumes_offsets.find(volume);
assert(volume_it != volumes_offsets.end());
stl_file& stl = volume->mesh.stl;
const indexed_triangle_set &its = volume->mesh.its;
// updates triangle offsets
volume_it->second.first_triangle_id = triangles_count;
triangles_count += stl.stats.number_of_facets;
triangles_count += its.indices.size();
volume_it->second.last_triangle_id = triangles_count - 1;
for (uint32_t i = 0; i < stl.stats.number_of_facets; ++i)
for (size_t i = 0; i < its.indices.size(); ++ i)
{
stream << " <" << TRIANGLE_TAG << " ";
for (int j = 0; j < 3; ++j)
{
stream << "v" << j + 1 << "=\"" << stl.v_indices[i].vertex[j] + volume_it->second.first_vertex_id << "\" ";
stream << "v" << j + 1 << "=\"" << its.indices[i].vertex[j] + volume_it->second.first_vertex_id << "\" ";
}
stream << "/>\n";
}

17
src/libslic3r/Format/AMF.cpp
View file

@ -923,23 +923,22 @@ bool store_amf(const char *path, Model *model, const DynamicPrintConfig *config)
int num_vertices = 0;
for (ModelVolume *volume : object->volumes) {
vertices_offsets.push_back(num_vertices);
if (! volume->mesh.repaired)
if (! volume->mesh.repaired)
throw std::runtime_error("store_amf() requires repair()");
auto &stl = volume->mesh.stl;
if (stl.v_shared.empty())
stl_generate_shared_vertices(&stl);
volume->mesh.require_shared_vertices();
const indexed_triangle_set &its = volume->mesh.its;
const Transform3d& matrix = volume->get_matrix();
for (size_t i = 0; i < stl.v_shared.size(); ++i) {
for (size_t i = 0; i < its.vertices.size(); ++i) {
stream << " <vertex>\n";
stream << " <coordinates>\n";
Vec3f v = (matrix * stl.v_shared[i].cast<double>()).cast<float>();
Vec3f v = (matrix * its.vertices[i].cast<double>()).cast<float>();
stream << " <x>" << v(0) << "</x>\n";
stream << " <y>" << v(1) << "</y>\n";
stream << " <z>" << v(2) << "</z>\n";
stream << " </coordinates>\n";
stream << " </vertex>\n";
}
num_vertices += stl.v_shared.size();
num_vertices += its.vertices.size();
}
stream << " </vertices>\n";
for (size_t i_volume = 0; i_volume < object->volumes.size(); ++i_volume) {
@ -956,10 +955,10 @@ bool store_amf(const char *path, Model *model, const DynamicPrintConfig *config)
if (volume->is_modifier())
stream << " <metadata type=\"slic3r.modifier\">1</metadata>\n";
stream << " <metadata type=\"slic3r.volume_type\">" << ModelVolume::type_to_string(volume->type()) << "</metadata>\n";
for (int i = 0; i < (int)volume->mesh.stl.stats.number_of_facets; ++i) {
for (size_t i = 0; i < (int)volume->mesh.its.indices.size(); ++i) {
stream << " <triangle>\n";
for (int j = 0; j < 3; ++j)
stream << " <v" << j + 1 << ">" << volume->mesh.stl.v_indices[i].vertex[j] + vertices_offset << "</v" << j + 1 << ">\n";
stream << " <v" << j + 1 << ">" << volume->mesh.its.indices[i].vertex[j] + vertices_offset << "</v" << j + 1 << ">\n";
stream << " </triangle>\n";
}
stream << " </volume>\n";