Node *Node::duplicate_and_reown(const Map<Node*,Node*>& p_reown_map) const {
ERR_FAIL_COND_V(get_filename()!="",NULL);
Node *node=NULL;
Object *obj = ObjectTypeDB::instance(get_type());
if (!obj) {
print_line("could not duplicate: "+String(get_type()));
}
ERR_FAIL_COND_V(!obj,NULL);
node = obj->cast_to<Node>();
if (!node)
memdelete(obj);
ERR_FAIL_COND_V(!node,NULL);
node->set_name(get_name());
List<PropertyInfo> plist;
get_property_list(&plist);
for(List<PropertyInfo>::Element *E=plist.front();E;E=E->next()) {
if (!(E->get().usage&PROPERTY_USAGE_STORAGE))
continue;
String name = E->get().name;
node->set( name, get(name) );
}
for(int i=0;i<get_child_count();i++) {
get_child(i)->_duplicate_and_reown(node,p_reown_map);
}
_duplicate_signals(this,node);
return node;
}
Node *Node::duplicate(bool p_use_instancing) const {
Node *node=NULL;
bool instanced=false;
if (cast_to<InstancePlaceholder>()) {
const InstancePlaceholder *ip = cast_to<const InstancePlaceholder>();
InstancePlaceholder *nip = memnew( InstancePlaceholder );
nip->set_instance_path( ip->get_instance_path() );
node=nip;
} else if (p_use_instancing && get_filename()!=String()) {
Ref<PackedScene> res = ResourceLoader::load(get_filename());
ERR_FAIL_COND_V(res.is_null(),NULL);
node=res->instance();
ERR_FAIL_COND_V(!node,NULL);
instanced=true;
} else {
Object *obj = ObjectTypeDB::instance(get_type());
ERR_FAIL_COND_V(!obj,NULL);
node = obj->cast_to<Node>();
if (!node)
memdelete(obj);
ERR_FAIL_COND_V(!node,NULL);
}
if (get_filename()!="") { //an instance
node->set_filename(get_filename());
}
List<PropertyInfo> plist;
get_property_list(&plist);
for(List<PropertyInfo>::Element *E=plist.front();E;E=E->next()) {
if (!(E->get().usage&PROPERTY_USAGE_STORAGE))
continue;
String name = E->get().name;
node->set( name, get(name) );
}
node->set_name(get_name());
List<GroupInfo> gi;
get_groups(&gi);
for (List<GroupInfo>::Element *E=gi.front();E;E=E->next()) {
node->add_to_group(E->get().name, E->get().persistent);
}
_duplicate_signals(this, node);
for(int i=0;i<get_child_count();i++) {
if (get_child(i)->data.parent_owned)
continue;
if (instanced && get_child(i)->data.owner==this)
continue; //part of instance
Node *dup = get_child(i)->duplicate(p_use_instancing);
if (!dup) {
memdelete(node);
return NULL;
}
node->add_child(dup);
}
return node;
}
