#include <cassert>
#include <simgear/structure/exception.hxx>
+#include <simgear/props/props_io.hxx>
#include <FDM/fdm_shell.hxx>
#include <FDM/flight.hxx>
#endif
#include <FDM/ExternalNet/ExternalNet.hxx>
#include <FDM/ExternalPipe/ExternalPipe.hxx>
+
+#ifdef ENABLE_JSBSIM
#include <FDM/JSBSim/JSBSim.hxx>
+#endif
+
+#ifdef ENABLE_LARCSIM
#include <FDM/LaRCsim/LaRCsim.hxx>
+#endif
+
#include <FDM/UFO.hxx>
#include <FDM/NullFDM.hxx>
-#include <FDM/YASim/YASim.hxx>
+#ifdef ENABLE_YASIM
+#include <FDM/YASim/YASim.hxx>
+#endif
-/*
- * Evil global variable required by Network/FGNative,
- * see that class for more information
- */
-FGInterface* evil_global_fdm_state = NULL;
+using std::string;
FDMShell::FDMShell() :
_tankProperties( fgGetNode("/consumables/fuel", true) ),
- _impl(NULL),
_dataLogging(false)
{
}
FDMShell::~FDMShell()
{
- delete _impl;
+ SG_LOG(SG_GENERAL, SG_INFO, "destorying FDM shell");
}
void FDMShell::init()
_pressure_inhg = _props->getNode("environment/pressure-inhg", true);
_density_slugft = _props->getNode("environment/density-slugft3", true);
_data_logging = _props->getNode("/sim/temp/fdm-data-logging", true);
+ _replay_master = _props->getNode("/sim/freeze/replay-state", true);
createImplementation();
}
+void FDMShell::postinit()
+{
+ _initialFdmProperties = new SGPropertyNode;
+
+ if (!copyProperties(_props->getNode("fdm", true),
+ _initialFdmProperties))
+ {
+ SG_LOG(SG_FLIGHT, SG_ALERT, "Failed to save initial FDM property state");
+ }
+}
+
+void FDMShell::shutdown()
+{
+ if (_impl) {
+ fgSetBool("/sim/fdm-initialized", false);
+ _impl->unbind();
+ _impl.clear();
+ }
+
+ _props.clear();
+ _wind_north.clear();
+ _wind_east.clear();
+ _wind_down.clear();
+ _control_fdm_atmo.clear();
+ _temp_degc.clear();
+ _pressure_inhg.clear();
+ _density_slugft .clear();
+ _data_logging.clear();
+ _replay_master.clear();
+}
+
void FDMShell::reinit()
{
- if (_impl) {
- fgSetBool("/sim/fdm-initialized", false);
- evil_global_fdm_state = NULL;
- _impl->unbind();
- delete _impl;
- _impl = NULL;
- }
+ shutdown();
+ if ( copyProperties(_initialFdmProperties, fgGetNode("/fdm", true)) ) {
+ SG_LOG( SG_FLIGHT, SG_INFO, "Preserved state restored successfully" );
+ } else {
+ SG_LOG( SG_FLIGHT, SG_WARN,
+ "FDM: Some errors restoring preserved state" );
+ }
+
+
init();
}
}
_impl->bind();
- evil_global_fdm_state = _impl;
fgSetBool("/sim/fdm-initialized", true);
fgSetBool("/sim/signals/fdm-initialized", true);
}
_impl->ToggleDataLogging(doLog);
}
- if (!_impl->is_suspended())
- _impl->update(dt);
+ switch(_replay_master->getIntValue())
+ {
+ case 0:
+ // normal FDM operation
+ _impl->update(dt);
+ break;
+ case 3:
+ // resume FDM operation at current replay position
+ _impl->reinit();
+ break;
+ default:
+ // replay is active
+ break;
+ }
+}
+
+FGInterface* FDMShell::getInterface() const
+{
+ return _impl;
}
void FDMShell::createImplementation()
double dt = 1.0 / fgGetInt("/sim/model-hz");
string model = fgGetString("/sim/flight-model");
- if ( model == "larcsim" ) {
+ bool fdmUnavailable = false;
+
+ if ( model == "ufo" ) {
+ _impl = new FGUFO( dt );
+ } else if ( model == "external" ) {
+ // external is a synonym for "--fdm=null" and is
+ // maintained here for backwards compatibility
+ _impl = new FGNullFDM( dt );
+ } else if ( model.find("network") == 0 ) {
+ string host = "localhost";
+ int port1 = 5501;
+ int port2 = 5502;
+ int port3 = 5503;
+ string net_options = model.substr(8);
+ string::size_type begin, end;
+ begin = 0;
+ // host
+ end = net_options.find( ",", begin );
+ if ( end != string::npos ) {
+ host = net_options.substr(begin, end - begin);
+ begin = end + 1;
+ }
+ // port1
+ end = net_options.find( ",", begin );
+ if ( end != string::npos ) {
+ port1 = atoi( net_options.substr(begin, end - begin).c_str() );
+ begin = end + 1;
+ }
+ // port2
+ end = net_options.find( ",", begin );
+ if ( end != string::npos ) {
+ port2 = atoi( net_options.substr(begin, end - begin).c_str() );
+ begin = end + 1;
+ }
+ // port3
+ end = net_options.find( ",", begin );
+ if ( end != string::npos ) {
+ port3 = atoi( net_options.substr(begin, end - begin).c_str() );
+ begin = end + 1;
+ }
+ _impl = new FGExternalNet( dt, host, port1, port2, port3 );
+ } else if ( model.find("pipe") == 0 ) {
+ // /* old */ string pipe_path = model.substr(5);
+ // /* old */ _impl = new FGExternalPipe( dt, pipe_path );
+ string pipe_path = "";
+ string pipe_protocol = "";
+ string pipe_options = model.substr(5);
+ string::size_type begin, end;
+ begin = 0;
+ // pipe file path
+ end = pipe_options.find( ",", begin );
+ if ( end != string::npos ) {
+ pipe_path = pipe_options.substr(begin, end - begin);
+ begin = end + 1;
+ }
+ // protocol (last option)
+ pipe_protocol = pipe_options.substr(begin);
+ _impl = new FGExternalPipe( dt, pipe_path, pipe_protocol );
+ } else if ( model == "null" ) {
+ _impl = new FGNullFDM( dt );
+ }
+ else if ( model == "larcsim" ) {
+#ifdef ENABLE_LARCSIM
_impl = new FGLaRCsim( dt );
- } else if ( model == "jsb" ) {
+#else
+ fdmUnavailable = true;
+#endif
+ }
+ else if ( model == "jsb" ) {
+#ifdef ENABLE_JSBSIM
_impl = new FGJSBsim( dt );
+#else
+ fdmUnavailable = true;
+#endif
+ }
#ifdef ENABLE_SP_FDM
- } else if ( model == "ada" ) {
+ else if ( model == "ada" ) {
_impl = new FGADA( dt );
} else if ( model == "acms" ) {
_impl = new FGACMS( dt );
_impl = new FGBalloonSim( dt );
} else if ( model == "magic" ) {
_impl = new FGMagicCarpet( dt );
+ }
+#else
+ else if (( model == "ada" )||(model == "acms")||( model == "balloon" )||( model == "magic" ))
+ {
+ fdmUnavailable = true;
+ }
#endif
- } else if ( model == "ufo" ) {
- _impl = new FGUFO( dt );
- } else if ( model == "external" ) {
- // external is a synonym for "--fdm=null" and is
- // maintained here for backwards compatibility
- _impl = new FGNullFDM( dt );
- } else if ( model.find("network") == 0 ) {
- string host = "localhost";
- int port1 = 5501;
- int port2 = 5502;
- int port3 = 5503;
- string net_options = model.substr(8);
- string::size_type begin, end;
- begin = 0;
- // host
- end = net_options.find( ",", begin );
- if ( end != string::npos ) {
- host = net_options.substr(begin, end - begin);
- begin = end + 1;
- }
- // port1
- end = net_options.find( ",", begin );
- if ( end != string::npos ) {
- port1 = atoi( net_options.substr(begin, end - begin).c_str() );
- begin = end + 1;
- }
- // port2
- end = net_options.find( ",", begin );
- if ( end != string::npos ) {
- port2 = atoi( net_options.substr(begin, end - begin).c_str() );
- begin = end + 1;
- }
- // port3
- end = net_options.find( ",", begin );
- if ( end != string::npos ) {
- port3 = atoi( net_options.substr(begin, end - begin).c_str() );
- begin = end + 1;
- }
- _impl = new FGExternalNet( dt, host, port1, port2, port3 );
- } else if ( model.find("pipe") == 0 ) {
- // /* old */ string pipe_path = model.substr(5);
- // /* old */ _impl = new FGExternalPipe( dt, pipe_path );
- string pipe_path = "";
- string pipe_protocol = "";
- string pipe_options = model.substr(5);
- string::size_type begin, end;
- begin = 0;
- // pipe file path
- end = pipe_options.find( ",", begin );
- if ( end != string::npos ) {
- pipe_path = pipe_options.substr(begin, end - begin);
- begin = end + 1;
- }
- // protocol (last option)
- pipe_protocol = pipe_options.substr(begin);
- _impl = new FGExternalPipe( dt, pipe_path, pipe_protocol );
- } else if ( model == "null" ) {
- _impl = new FGNullFDM( dt );
- } else if ( model == "yasim" ) {
+ else if ( model == "yasim" ) {
+#ifdef ENABLE_YASIM
_impl = new YASim( dt );
+#else
+ fdmUnavailable = true;
+#endif
} else {
throw sg_exception(string("Unrecognized flight model '") + model
+ "', cannot init flight dynamics model.");
}
-}
-
-/*
- * Return FDM subsystem.
- */
-
-SGSubsystem* FDMShell::getFDM()
-{
- /* FIXME we could drop/replace this method, when _impl was a added
- * to the global subsystem manager - like other proper subsystems... */
- return _impl;
+ if (fdmUnavailable)
+ {
+ // FDM type is known, but its support was disabled at compile-time.
+ throw sg_exception(string("Support for flight model '") + model
+ + ("' is not available with this binary (deprecated/disabled).\n"
+ "If you still need it, please rebuild FlightGear and enable its support."));
+ }
}
projects / flightgear.git / blobdiff