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Check for existence of gcode toolpaths that can be exported to obj file

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This commit is contained in:
Enrico Turri 2019-08-20 11:33:58 +02:00
parent a99a89a831
commit 58473f84ee
7 changed files with 52 additions and 12 deletions
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42
src/slic3r/GUI/3DScene.cpp
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@ -853,11 +853,39 @@ std::string GLVolumeCollection::log_memory_info() const
return " (GLVolumeCollection RAM: " + format_memsize_MB(this->cpu_memory_used()) + " GPU: " + format_memsize_MB(this->gpu_memory_used()) + " Both: " + format_memsize_MB(this->gpu_memory_used()) + ")";
}
bool can_export_to_obj(const GLVolume& volume)
{
if (!volume.is_active || !volume.is_extrusion_path)
return false;
if (volume.indexed_vertex_array.triangle_indices.empty() && (std::min(volume.indexed_vertex_array.triangle_indices_size, volume.tverts_range.second - volume.tverts_range.first) == 0))
return false;
if (volume.indexed_vertex_array.quad_indices.empty() && (std::min(volume.indexed_vertex_array.quad_indices_size, volume.qverts_range.second - volume.qverts_range.first) == 0))
return false;
return true;
}
bool GLVolumeCollection::has_toolpaths_to_export() const
{
for (const GLVolume* volume : this->volumes)
{
if (can_export_to_obj(*volume))
return true;
}
return false;
}
void GLVolumeCollection::export_toolpaths_to_obj(const char* filename) const
{
if (filename == nullptr)
return;
if (!has_toolpaths_to_export())
return;
FILE* fp = boost::nowide::fopen(filename, "w");
if (fp == nullptr) {
BOOST_LOG_TRIVIAL(error) << "GLVolumeCollection::export_toolpaths_to_obj: Couldn't open " << filename << " for writing";
@ -868,11 +896,11 @@ void GLVolumeCollection::export_toolpaths_to_obj(const char* filename) const
fprintf(fp, "# Generated by %s based on Slic3r\n\n", SLIC3R_BUILD_ID);
unsigned int vertices_count = 0;
unsigned int volume_count = 0;
unsigned int volumes_count = 0;
for (const GLVolume* volume : this->volumes)
{
if (!volume->is_active || !volume->is_extrusion_path)
if (!can_export_to_obj(*volume))
continue;
std::vector<float> vertices_and_normals_interleaved;
@ -925,19 +953,19 @@ void GLVolumeCollection::export_toolpaths_to_obj(const char* filename) const
if (triangle_indices.empty() && quad_indices.empty())
continue;
fprintf(fp, "\n# vertices volume %d\n", volume_count);
fprintf(fp, "\n# vertices volume %d\n", volumes_count);
for (unsigned int i = 0; i < vertices_and_normals_interleaved.size(); i += 6)
{
fprintf(fp, "v %f %f %f\n", vertices_and_normals_interleaved[i + 3], vertices_and_normals_interleaved[i + 4], vertices_and_normals_interleaved[i + 5]);
}
fprintf(fp, "\n# normals volume %d\n", volume_count);
fprintf(fp, "\n# normals volume %d\n", volumes_count);
for (unsigned int i = 0; i < vertices_and_normals_interleaved.size(); i += 6)
{
fprintf(fp, "vn %f %f %f\n", vertices_and_normals_interleaved[i + 0], vertices_and_normals_interleaved[i + 1], vertices_and_normals_interleaved[i + 2]);
}
fprintf(fp, "\n# triangular facets volume %d\n", volume_count);
fprintf(fp, "\n# triangular facets volume %d\n", volumes_count);
for (unsigned int i = 0; i < triangle_indices.size(); i += 3)
{
int id_v1 = vertices_count + 1 + triangle_indices[i + 0];
@ -946,7 +974,7 @@ void GLVolumeCollection::export_toolpaths_to_obj(const char* filename) const
fprintf(fp, "f %d//%d %d//%d %d//%d\n", id_v1, id_v1, id_v2, id_v2, id_v3, id_v3);
}
fprintf(fp, "\n# quadrangular facets volume %d\n", volume_count);
fprintf(fp, "\n# quadrangular facets volume %d\n", volumes_count);
for (unsigned int i = 0; i < quad_indices.size(); i += 4)
{
int id_v1 = vertices_count + 1 + quad_indices[i + 0];
@ -956,7 +984,7 @@ void GLVolumeCollection::export_toolpaths_to_obj(const char* filename) const
fprintf(fp, "f %d//%d %d//%d %d//%d %d//%d\n", id_v1, id_v1, id_v2, id_v2, id_v3, id_v3, id_v4, id_v4);
}
++volume_count;
++volumes_count;
vertices_count += vertices_and_normals_interleaved.size() / 6;
}