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New feature: Splitting an object into a multi-part volume.

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This commit is contained in:
bubnikv
2017-06-15 15:38:15 +02:00
parent a1f6403463
commit b724d789fd
6 changed files with 95 additions and 30 deletions
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30
xs/src/libslic3r/Model.cpp
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@@ -685,6 +685,36 @@ ModelMaterial* ModelVolume::assign_unique_material()
return model->add_material(this->_material_id);
}
// Split this volume, append the result to the object owning this volume.
// Return the number of volumes created from this one.
// This is useful to assign different materials to different volumes of an object.
size_t ModelVolume::split()
{
TriangleMeshPtrs meshptrs = this->mesh.split();
if (meshptrs.size() <= 1) {
delete meshptrs.front();
return 1;
}
size_t idx = 0;
size_t ivolume = std::find(this->object->volumes.begin(), this->object->volumes.end(), this) - this->object->volumes.begin();
std::string name = this->name;
for (TriangleMesh *mesh : meshptrs) {
mesh->repair();
if (idx == 0)
this->mesh = std::move(*mesh);
else
this->object->volumes.insert(this->object->volumes.begin() + (++ ivolume), new ModelVolume(object, *this, std::move(*mesh)));
char str_idx[64];
sprintf(str_idx, "_%d", idx + 1);
this->object->volumes[ivolume]->name = name + str_idx;
delete mesh;
++ idx;
}
return idx;
}
void ModelInstance::transform_mesh(TriangleMesh* mesh, bool dont_translate) const
{
mesh->rotate_z(this->rotation); // rotate around mesh origin