void
LMESH::set_parent(LMESH* parent)
{
assert(parent);
_parent_mesh = parent;
_subdiv_level = parent->subdiv_level() + 1;
LMESHptr c = control_mesh();
assert(c != nullptr);
if (c->has_name()) {
char tmp[32];
sprintf(tmp, "%d", _subdiv_level);
set_name(c->get_name() + "-sub" + tmp);
}
}
LMESHptr
LMESH::get_lmesh(const string& exact_name)
{
// Return an LMESH with the given name. If one already exists,
// return that one. Otherwise create a new LMESH with the desired
// name. Fails (returns null) if the name is invalid (null string)
// or the name is already taken by a BMESH that is not an LMESH.
bool debug = NameLookup<BMESH>::_debug;
// Make sure they're not asking for the null string:
if (exact_name == "") {
if (debug)
cerr << "LMESH::get_lmesh: error: name is empty" << endl;
return nullptr;
}
// Does a mesh with the requested name exist?
BMESHptr mesh = dynamic_cast<BMESH*>(NameLookup<BMESH>::lookup(exact_name))->shared_from_this();
// If no mesh of that name exists, create a new one:
if (!mesh) {
LMESHptr ret = make_shared<LMESH>();
assert(ret && !ret->has_name());
ret->set_name(exact_name);
return ret;
}
// A BMESH with the requested name already exists;
// if it is not also an LMESH, this is an error:
LMESHptr lm = dynamic_pointer_cast<LMESH>(mesh);
if (debug && !lm) {
cerr << "LMESH::get_lmesh: error: found requested name: "
<< exact_name
<< ", but it is not an LMESH"
<< endl;
}
return lm;
}
