-bool
-HLAFederate::tick(const double& minimum, const double& maximum)
-{
- if (!_rtiFederate.valid()) {
- SG_LOG(SG_NETWORK, SG_WARN, "HLA: Accessing unconnected federate!");
- return false;
- }
- return _rtiFederate->processMessages(minimum, maximum);
-}
-
-bool
-HLAFederate::readObjectModelTemplate(const std::string& objectModel,
- HLAFederate::ObjectModelFactory& objectModelFactory)
-{
- // The XML version of the federate object model.
- // This one covers the generic attributes, parameters and data types.
- HLAOMTXmlVisitor omtXmlVisitor;
- try {
- readXML(objectModel, omtXmlVisitor);
- } catch (const sg_throwable& e) {
- SG_LOG(SG_IO, SG_ALERT, "Could not open HLA XML object model file: "
- << e.getMessage());
- return false;
- } catch (...) {
- SG_LOG(SG_IO, SG_ALERT, "Could not open HLA XML object model file");
- return false;
- }
-
- omtXmlVisitor.setDataTypesToFederate(*this);
-
- unsigned numObjectClasses = omtXmlVisitor.getNumObjectClasses();
- for (unsigned i = 0; i < numObjectClasses; ++i) {
- const HLAOMTXmlVisitor::ObjectClass* objectClass = omtXmlVisitor.getObjectClass(i);
- std::string objectClassName = objectClass->getName();
-
- SGSharedPtr<HLAObjectClass> hlaObjectClass = objectModelFactory.createObjectClass(objectClassName, *this);
- if (!hlaObjectClass.valid()) {
- SG_LOG(SG_IO, SG_INFO, "Ignoring object class \"" << objectClassName << "\".");
- continue;
- }
-
- bool publish = objectModelFactory.publishObjectClass(objectClassName, objectClass->getSharing());
- bool subscribe = objectModelFactory.subscribeObjectClass(objectClassName, objectClass->getSharing());
-
- // process the attributes
- for (unsigned j = 0; j < objectClass->getNumAttributes(); ++j) {
- const simgear::HLAOMTXmlVisitor::Attribute* attribute;
- attribute = objectClass->getAttribute(j);
-
- std::string attributeName = attribute->getName();
- unsigned index = hlaObjectClass->addAttribute(attributeName);
-
- if (index == ~0u) {
- SG_LOG(SG_IO, SG_WARN, "RTI does not know the \"" << attributeName << "\" attribute!");
- continue;
- }
-
- // the attributes datatype
- SGSharedPtr<const HLADataType> dataType = getDataType(attribute->getDataType());
- if (!dataType.valid()) {
- SG_LOG(SG_IO, SG_WARN, "Could not find data type for attribute \""
- << attributeName << "\" in object class \"" << objectClassName << "\"!");
- }
- hlaObjectClass->setAttributeDataType(index, dataType);
- hlaObjectClass->setAttributeUpdateType(index, attribute->getUpdateType());
- if (subscribe && objectModelFactory.subscribeAttribute(objectClassName, attributeName, attribute->_sharing))
- hlaObjectClass->setAttributeSubscriptionType(index, attribute->getSubscriptionType());
- if (publish && objectModelFactory.publishAttribute(objectClassName, attributeName, attribute->_sharing))
- hlaObjectClass->setAttributePublicationType(index, attribute->getPublicationType());
- }
-
- if (publish)
- hlaObjectClass->publish();
- if (subscribe)
- hlaObjectClass->subscribe();
-
- }
-
- return resolveObjectModel();
-}
-