void VRSceneLoader_saveObject(VRObject* p, xmlpp::Element* e) {
if (e == 0) return;
p->save(e);
for (uint i=0; i<p->getChildrenCount(); i++) {
VRObject* c = p->getChild(i);
if (c->getPersistency() == 0) continue; // generated objects are not be saved
if (c->hasAttachment("global")) continue; // global objects are not be saved
//xmlpp::Element* ce = e->add_child(c->getName());
xmlpp::Element* ce = e->add_child("Object");
VRSceneLoader_saveObject(c, ce);
}
}
void VRSceneLoader_loadObject(VRScene* scene, VRObject* p, xmlpp::Element* e) {
if (e == 0) return;
xmlpp::Node::NodeList nl = e->get_children();
xmlpp::Node::NodeList::iterator itr;
for (itr = nl.begin(); itr != nl.end(); itr++) {
xmlpp::Node* n = *itr;
xmlpp::Element* el = dynamic_cast<xmlpp::Element*>(n);
if (!el) continue;
VRObject* c = VRSceneLoader_createFromElement(scene, el);
p->addChild(c);
c->load(el);
VRSceneLoader_loadObject(scene, c, el);
}
}
bool VRTransform::checkWorldChange() {
if (frame == 0) {
frame = 1;
return true;
}
if (hasGraphChanged()) return true;
VRObject* obj = this;
VRTransform* ent;
while(obj) {
if (obj->hasAttachment("transform")) {
ent = (VRTransform*)obj;
if (ent->change) return true;
}
obj = obj->getParent();
}
return false;
}
/** Returns the world matrix **/
void VRTransform::getWorldMatrix(Matrix& _m, bool parentOnly) {
//if (checkWorldChange()) {
if (true) {
vector<Matrix> tv;
Matrix m;
VRObject* obj = this;
if (parentOnly and obj->getParent() != 0) obj = obj->getParent();
VRTransform* tmp;
while(true) {
if (obj->hasAttachment("transform")) {
tmp = (VRTransform*)obj;
tmp->getMatrix(m);
//cout << "\nPARENT: " << tmp->getName();
//cout << "\n" << m;
tv.push_back(m);
}
if (obj->getParent() == 0) break;
else obj = obj->getParent();
}
WorldTransformation = computeMatrixVector(tv);
}
_m = WorldTransformation;
//if (getName() == "Box") cout << WorldTransformation << endl;
//cout << "\nGETWM: " << getName() << endl << _m << endl;
}
bool CSGGeometry::disableEditMode() {
if (children.size() != 2) { cout << "CSGGeometry: Warning: editMode disabled with less than 2 children. Doing nothing.\n"; return false; }
vector<CGAL::Polyhedron*> polys(2,0); // We need two child geometries to work with
for (int i=0; i<2; i++) { // Prepare the polyhedra
VRObject *obj = children[i];
obj->setVisible(false);
if (obj->getType() == string("Geometry")) {
VRGeometry *geo = dynamic_cast<VRGeometry*>(obj);
cout << "child: " << geo->getName() << " toPolyhedron\n";
bool success;
try {
polys[i] = toPolyhedron( geo->getMesh(), geo->getWorldMatrix(), success );
} catch (exception e) {
success = false;
cout << getName() << ": toPolyhedron exception: " << e.what() << endl;
}
if (!success) {
cout << getName() << ": toPolyhedron went totaly wrong :(\n";
//setCSGGeometry(polys[i]);
//obj->setVisible(true); // We stay in edit mode, so both children need to be visible
return false;
}
continue;
}
if(obj->getType() == "CSGGeometry") {
CSGGeometry *geo = dynamic_cast<CSGGeometry*>(obj);
polys[i] = geo->getCSGGeometry(); // TODO: where does this come from?? keep the old!
continue;
}
cout << "Warning! polyhedron " << i << " not acquired because ";
cout << obj->getName() << " has wrong type " << obj->getType();
cout << ", it should be 'Geometry' or 'CSGGeometry'!" << endl;
}
if (polys[0] == 0) cout << "Warning! first polyhedron is 0! " << children[0]->getName() << endl;
if (polys[1] == 0) cout << "Warning! second polyhedron is 0! " << children[1]->getName() << endl;
if (polys[0] == 0 || polys[1] == 0) return false;
if (polyhedron) delete polyhedron;
polyhedron = 0;
if (operation == "unite") polyhedron = unite(polys[0], polys[1]);
else if(operation == "subtract") polyhedron = subtract(polys[0], polys[1]);
else if(operation == "intersect") polyhedron = intersect(polys[0], polys[1]);
else cout << "CSGGeometry: Warning: unexpected CSG operation!\n";
// Clean up
for (auto p : polys) delete p;
if (polyhedron == 0) return false;
setCSGGeometry(polyhedron);
return true;
}
void VRSceneLoader::optimizeGraph(VRObject* obj) { //TODO
VRObject* p = obj->getParent();
if (obj->getType() == "Geometry" && p->getType() == "Transform" && p->getChildrenCount() == 1) {
obj->switchParent(p->getParent());
obj->setName(p->getName());
//obj->setMatrix(p->getMatrix()); //TODO: cast
p->hide();
}
for (uint i=0;i<obj->getChildrenCount();i++)
optimizeGraph(obj->getChild(i));
}