Method Load

src/models/propulsion/FGEngine.cpp:177–251

//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

bool FGEngine::Load(FGFDMExec *exec, Element *engine_element)
{
  Element* parent_element = engine_element->GetParent();
  Element* local_element;
  FGColumnVector3 location, orientation;

  auto PropertyManager = exec->GetPropertyManager();

  Name = engine_element->GetAttributeValue("name");

  // Call ModelFunctions loader
  FGModelFunctions::Load(engine_element, exec, to_string((int)EngineNumber));

  // If engine location and/or orientation is supplied issue a warning since they
  // are ignored. What counts is the location and orientation of the thruster.
  local_element = parent_element->FindElement("location");
  if (local_element) {
    FGLogging log(LogLevel::WARN);
    log << "Engine location ignored, only thruster location is used.\n";
  }

  local_element = parent_element->FindElement("orient");
  if (local_element) {
    FGLogging log(LogLevel::WARN);
    log << "Engine orientation ignored, only thruster orientation is used.\n";
  }

  // Load thruster
  local_element = parent_element->FindElement("thruster");
  if (local_element) {
    try {
      LoadThruster(exec, local_element);
    } catch (std::string& str) {
      XMLLogException err(local_element);
      err << "Error loading engine " << Name << ". " << str << "\n";
      throw err;
    } catch (LogException &e) {
      XMLLogException err(e, local_element);
      throw err;
    }
  } else {
    FGLogging log(LogLevel::ERROR);
    log << "No thruster definition supplied with engine definition.\n";
  }

  ResetToIC(); // initialize dynamic terms

  // Load feed tank[s] references
  local_element = parent_element->FindElement("feed");
  while (local_element) {
    int tankID = (int)local_element->GetDataAsNumber();
    SourceTanks.push_back(tankID);
    local_element = parent_element->FindNextElement("feed");
  }

  string property_name, base_property_name;
  base_property_name = CreateIndexedPropertyName("propulsion/engine", EngineNumber);