]> git.mxchange.org Git - flightgear.git/blobdiff - src/Main/fg_props.cxx
Added a new 'delimiter' property to allow an alternative delimiter to
[flightgear.git] / src / Main / fg_props.cxx
index 1535d1d9b74d0f73ef218423b15b42ff26ae6838..0b0ca687bfd0be78969d2afbfd2da7306941e7d2 100644 (file)
 
 #include STL_IOSTREAM
 
-#include <Autopilot/newauto.hxx>
+#include <ATC/ATCdisplay.hxx>
 #include <Aircraft/aircraft.hxx>
 #include <Time/tmp.hxx>
 #include <FDM/UIUCModel/uiuc_aircraftdir.h>
-#ifndef FG_OLD_WEATHER
+#ifndef FG_NEW_ENVIRONMENT
 #  include <WeatherCM/FGLocalWeatherDatabase.h>
 #else
-#  include <Weather/weather.hxx>
-#endif
+#  include <Environment/environment.hxx>
+#endif // FG_NEW_ENVIRONMENT
 #include <Objects/matlib.hxx>
 
 #include <GUI/gui.h>
 
+#include "globals.hxx"
 #include "fgfs.hxx"
 #include "fg_props.hxx"
 #include "viewmgr.hxx"
@@ -50,9 +51,11 @@ SG_USING_STD(istream);
 SG_USING_STD(ostream);
 #endif
 
+#if !defined(FG_NEW_ENVIRONMENT)
 static double getWindNorth ();
 static double getWindEast ();
 static double getWindDown ();
+#endif // FG_NEW_ENVIRONMENT
 
 // Allow the view to be set from two axes (i.e. a joystick hat)
 // This needs to be in FGViewer itself, somehow.
@@ -123,26 +126,27 @@ _set_view_from_axes ()
 struct LogClassMapping {
   sgDebugClass c;
   string name;
+  LogClassMapping(sgDebugClass cc, string nname) { c = cc; name = nname; }
 };
 
 LogClassMapping log_class_mappings [] = {
-  {SG_NONE, "none"},
-  {SG_TERRAIN, "terrain"},
-  {SG_ASTRO, "astro"},
-  {SG_FLIGHT, "flight"},
-  {SG_INPUT, "input"},
-  {SG_GL, "gl"},
-  {SG_VIEW, "view"},
-  {SG_COCKPIT, "cockpit"},
-  {SG_GENERAL, "general"},
-  {SG_MATH, "math"},
-  {SG_EVENT, "event"},
-  {SG_AIRCRAFT, "aircraft"},
-  {SG_AUTOPILOT, "autopilot"},
-  {SG_IO, "io"},
-  {SG_CLIPPER, "clipper"},
-  {SG_NETWORK, "network"},
-  {SG_UNDEFD, ""}
+  LogClassMapping(SG_NONE, "none"),
+  LogClassMapping(SG_TERRAIN, "terrain"),
+  LogClassMapping(SG_ASTRO, "astro"),
+  LogClassMapping(SG_FLIGHT, "flight"),
+  LogClassMapping(SG_INPUT, "input"),
+  LogClassMapping(SG_GL, "gl"),
+  LogClassMapping(SG_VIEW, "view"),
+  LogClassMapping(SG_COCKPIT, "cockpit"),
+  LogClassMapping(SG_GENERAL, "general"),
+  LogClassMapping(SG_MATH, "math"),
+  LogClassMapping(SG_EVENT, "event"),
+  LogClassMapping(SG_AIRCRAFT, "aircraft"),
+  LogClassMapping(SG_AUTOPILOT, "autopilot"),
+  LogClassMapping(SG_IO, "io"),
+  LogClassMapping(SG_CLIPPER, "clipper"),
+  LogClassMapping(SG_NETWORK, "network"),
+  LogClassMapping(SG_UNDEFD, "")
 };
 
 
@@ -156,7 +160,7 @@ getLoggingClasses ()
   string result = "";
   for (int i = 0; log_class_mappings[i].c != SG_UNDEFD; i++) {
     if ((classes&log_class_mappings[i].c) > 0) {
-      if (result != "")
+      if (result != (string)"")
        result += '|';
       result += log_class_mappings[i].name;
     }
@@ -261,6 +265,7 @@ setLoggingPriority (string priority)
 }
 
 
+#if 0
 /**
  * Get the pause state of the sim.
  */
@@ -277,8 +282,17 @@ getFreeze ()
 static void
 setFreeze (bool freeze)
 {
-  globals->set_freeze(freeze);
+    globals->set_freeze(freeze);
+    if ( freeze ) {
+        // BusyCursor( 0 );
+        current_atcdisplay->CancelRepeatingMessage();
+        current_atcdisplay->RegisterRepeatingMessage("****    SIM IS FROZEN    ****    SIM IS FROZEN    ****");
+    } else {
+        // BusyCursor( 1 );
+        current_atcdisplay->CancelRepeatingMessage();
+    }
 }
+#endif
 
 /**
  * Return the current aircraft directory (UIUC) as a string.
@@ -345,6 +359,48 @@ setGoalViewOffset (double offset)
        ->set_goal_view_offset(offset * SGD_DEGREES_TO_RADIANS);
 }
 
+/**
+ * Get the current view tilt in degrees.
+ */
+static double
+getViewTilt ()
+{
+  return (globals->get_current_view()
+         ->get_view_tilt() * SGD_RADIANS_TO_DEGREES);
+}
+
+
+static void
+setViewTilt (double tilt)
+{
+  globals->get_current_view()->set_view_tilt(tilt * SGD_DEGREES_TO_RADIANS);
+}
+
+static double
+getGoalViewTilt ()
+{
+  return (globals->get_current_view()
+         ->get_goal_view_tilt() * SGD_RADIANS_TO_DEGREES);
+}
+
+static void
+setGoalViewTilt (double tilt)
+{
+    while ( tilt < 0 ) {
+       tilt += 360.0;
+    }
+    while ( tilt > 360.0 ) {
+       tilt -= 360.0;
+    }
+    // Snap to center if we are close
+    if ( fabs(tilt) < 1.0 ||  fabs(tilt) > 359.0 ) {
+       tilt = 0.0;
+    }
+
+    globals->get_current_view()
+       ->set_goal_view_tilt(tilt * SGD_DEGREES_TO_RADIANS);
+}
+
 
 /**
  * Pilot position offset from CG.
@@ -398,6 +454,16 @@ setPilotPositionZOffset (float z)
 }
 
 
+/**
+ * Return the number of milliseconds elapsed since simulation started.
+ */
+static long
+getElapsedTime_ms ()
+{
+  return globals->get_elapsed_time_ms();
+}
+
+
 /**
  * Return the current Zulu time.
  */
@@ -421,6 +487,9 @@ getDateString ()
 static void
 setDateString (string date_string)
 {
+  static const SGPropertyNode *cur_time_override
+       = fgGetNode("/sim/time/cur-time-override", true);
+
   SGTime * st = globals->get_time_params();
   struct tm * current_time = st->getGmt();
   struct tm new_time;
@@ -455,7 +524,7 @@ setDateString (string date_string)
   double lon = current_aircraft.fdm_state->get_Longitude();
   double lat = current_aircraft.fdm_state->get_Latitude();
   globals->set_warp(warp);
-  st->update(lon, lat, warp);
+  st->update(lon, lat, cur_time_override->getLongValue(), warp);
   fgUpdateSkyAndLightingParams();
 }
 
@@ -467,9 +536,10 @@ getGMTString ()
 {
   string out;
   char buf[16];
-  struct tm * t = globals->get_time_params()->getGmt();
+  struct tm *t = globals->get_time_params()->getGmt();
   sprintf(buf, " %.2d:%.2d:%.2d",
          t->tm_hour, t->tm_min, t->tm_sec);
+  // cout << t << " " << buf << endl;
   out = buf;
   return out;
 }
@@ -528,337 +598,7 @@ getHeadingMag ()
 }
 
 
-/**
- * Return the fuel level in tank 1
- */
-static double
-getTank1Fuel ()
-{
-  return current_aircraft.fdm_state->get_Tank1Fuel();
-}
-
-static void
-setTank1Fuel ( double gals )
-{
-  current_aircraft.fdm_state->set_Tank1Fuel( gals );
-}
-
-/**
- * Return the fuel level in tank 2
- */
-static double
-getTank2Fuel ()
-{
-  return current_aircraft.fdm_state->get_Tank2Fuel();
-}
-
-static void
-setTank2Fuel ( double gals )
-{
-  current_aircraft.fdm_state->set_Tank2Fuel( gals );
-}
-
-
-/**
- * Get the autopilot altitude lock (true=on).
- */
-static bool
-getAPAltitudeLock ()
-{
-    return (current_autopilot->get_AltitudeEnabled() &&
-           current_autopilot->get_AltitudeMode()
-           == FGAutopilot::FG_ALTITUDE_LOCK);
-}
-
-
-/**
- * Set the autopilot altitude lock (true=on).
- */
-static void
-setAPAltitudeLock (bool lock)
-{
-  current_autopilot->set_AltitudeMode(FGAutopilot::FG_ALTITUDE_LOCK);
-  current_autopilot->set_AltitudeEnabled(lock);
-}
-
-
-/**
- * Get the autopilot target altitude in feet.
- */
-static double
-getAPAltitude ()
-{
-  return current_autopilot->get_TargetAltitude() * SG_METER_TO_FEET;
-}
-
-
-/**
- * Set the autopilot target altitude in feet.
- */
-static void
-setAPAltitude (double altitude)
-{
-    current_autopilot->set_TargetAltitude( altitude * SG_FEET_TO_METER );
-}
-
-/**
- * Get the autopilot altitude lock (true=on).
- */
-static bool
-getAPGSLock ()
-{
-    return (current_autopilot->get_AltitudeEnabled() &&
-           (current_autopilot->get_AltitudeMode()
-            == FGAutopilot::FG_ALTITUDE_GS1));
-}
-
-
-/**
- * Set the autopilot altitude lock (true=on).
- */
-static void
-setAPGSLock (bool lock)
-{
-  current_autopilot->set_AltitudeMode(FGAutopilot::FG_ALTITUDE_GS1);
-  current_autopilot->set_AltitudeEnabled(lock);
-}
-
-
-/**
- * Get the autopilot terrain lock (true=on).
- */
-static bool
-getAPTerrainLock ()
-{
-    return (current_autopilot->get_AltitudeEnabled() &&
-           (current_autopilot->get_AltitudeMode()
-            == FGAutopilot::FG_ALTITUDE_TERRAIN));
-}
-
-
-/**
- * Set the autopilot terrain lock (true=on).
- */
-static void
-setAPTerrainLock (bool lock)
-{
-  current_autopilot->set_AltitudeMode(FGAutopilot::FG_ALTITUDE_TERRAIN);
-  current_autopilot->set_AltitudeEnabled(lock);
-  current_autopilot->set_TargetAGL(
-      current_aircraft.fdm_state->get_Altitude_AGL() * SG_FEET_TO_METER
-    );
-  cout << "Target AGL = "
-       << current_aircraft.fdm_state->get_Altitude_AGL() * SG_FEET_TO_METER
-       << endl;
-}
-
-
-/**
- * Get the autopilot target altitude in feet.
- */
-static double
-getAPClimb ()
-{
-  return current_autopilot->get_TargetClimbRate() * SG_METER_TO_FEET;
-}
-
-
-/**
- * Set the autopilot target altitude in feet.
- */
-static void
-setAPClimb (double rate)
-{
-    current_autopilot->set_TargetClimbRate( rate * SG_FEET_TO_METER );
-}
-
-
-/**
- * Get the autopilot heading lock (true=on).
- */
-static bool
-getAPHeadingLock ()
-{
-    return
-      (current_autopilot->get_HeadingEnabled() &&
-       current_autopilot->get_HeadingMode() == DEFAULT_AP_HEADING_LOCK);
-}
-
-
-/**
- * Set the autopilot heading lock (true=on).
- */
-static void
-setAPHeadingLock (bool lock)
-{
-    if (lock) {
-       current_autopilot->set_HeadingMode(DEFAULT_AP_HEADING_LOCK);
-       current_autopilot->set_HeadingEnabled(true);
-    } else {
-       current_autopilot->set_HeadingEnabled(false);
-    }
-}
-
-
-/**
- * Get the autopilot heading bug in degrees.
- */
-static double
-getAPHeadingBug ()
-{
-  return current_autopilot->get_DGTargetHeading();
-}
-
-
-/**
- * Set the autopilot heading bug in degrees.
- */
-static void
-setAPHeadingBug (double heading)
-{
-  current_autopilot->set_DGTargetHeading( heading );
-}
-
-
-/**
- * Get the autopilot wing leveler lock (true=on).
- */
-static bool
-getAPWingLeveler ()
-{
-    return
-      (current_autopilot->get_HeadingEnabled() &&
-       current_autopilot->get_HeadingMode() == FGAutopilot::FG_TC_HEADING_LOCK);
-}
-
-
-/**
- * Set the autopilot wing leveler lock (true=on).
- */
-static void
-setAPWingLeveler (bool lock)
-{
-    if (lock) {
-       current_autopilot->set_HeadingMode(FGAutopilot::FG_TC_HEADING_LOCK);
-       current_autopilot->set_HeadingEnabled(true);
-    } else {
-       current_autopilot->set_HeadingEnabled(false);
-    }
-}
-
-/**
- * Return true if the autopilot is locked to NAV1.
- */
-static bool
-getAPNAV1Lock ()
-{
-  return
-    (current_autopilot->get_HeadingEnabled() &&
-     current_autopilot->get_HeadingMode() == FGAutopilot::FG_HEADING_NAV1);
-}
-
-
-/**
- * Set the autopilot NAV1 lock.
- */
-static void
-setAPNAV1Lock (bool lock)
-{
-  if (lock) {
-    current_autopilot->set_HeadingMode(FGAutopilot::FG_HEADING_NAV1);
-    current_autopilot->set_HeadingEnabled(true);
-  } else if (current_autopilot->get_HeadingMode() ==
-            FGAutopilot::FG_HEADING_NAV1) {
-    current_autopilot->set_HeadingEnabled(false);
-  }
-}
-
-/**
- * Get the autopilot autothrottle lock.
- */
-static bool
-getAPAutoThrottleLock ()
-{
-  return current_autopilot->get_AutoThrottleEnabled();
-}
-
-
-/**
- * Set the autothrottle lock.
- */
-static void
-setAPAutoThrottleLock (bool lock)
-{
-  current_autopilot->set_AutoThrottleEnabled(lock);
-}
-
-
-// kludge
-static double
-getAPRudderControl ()
-{
-    if (getAPHeadingLock())
-        return current_autopilot->get_TargetHeading();
-    else
-        return globals->get_controls()->get_rudder();
-}
-
-// kludge
-static void
-setAPRudderControl (double value)
-{
-    if (getAPHeadingLock()) {
-        SG_LOG(SG_GENERAL, SG_DEBUG, "setAPRudderControl " << value );
-        value -= current_autopilot->get_TargetHeading();
-        current_autopilot->HeadingAdjust(value < 0.0 ? -1.0 : 1.0);
-    } else {
-        globals->get_controls()->set_rudder(value);
-    }
-}
-
-// kludge
-static double
-getAPElevatorControl ()
-{
-  if (getAPAltitudeLock())
-      return current_autopilot->get_TargetAltitude();
-  else
-    return globals->get_controls()->get_elevator();
-}
-
-// kludge
-static void
-setAPElevatorControl (double value)
-{
-    if (getAPAltitudeLock()) {
-        SG_LOG(SG_GENERAL, SG_DEBUG, "setAPElevatorControl " << value );
-        value -= current_autopilot->get_TargetAltitude();
-        current_autopilot->AltitudeAdjust(value < 0.0 ? 100.0 : -100.0);
-    } else {
-        globals->get_controls()->set_elevator(value);
-    }
-}
-
-// kludge
-static double
-getAPThrottleControl ()
-{
-  if (getAPAutoThrottleLock())
-    return 0.0;                        // always resets
-  else
-    return globals->get_controls()->get_throttle(0);
-}
-
-// kludge
-static void
-setAPThrottleControl (double value)
-{
-  if (getAPAutoThrottleLock())
-    current_autopilot->AutoThrottleAdjust(value < 0.0 ? -0.01 : 0.01);
-  else
-    globals->get_controls()->set_throttle(0, value);
-}
-
+#if !defined(FG_NEW_ENVIRONMENT)
 
 /**
  * Get the current visibility (meters).
@@ -866,11 +606,7 @@ setAPThrottleControl (double value)
 static double
 getVisibility ()
 {
-#ifndef FG_OLD_WEATHER
   return WeatherDatabase->getWeatherVisibility();
-#else
-  return current_weather.get_visibility();
-#endif
 }
 
 
@@ -880,11 +616,7 @@ getVisibility ()
 static void
 setVisibility (double visibility)
 {
-#ifndef FG_OLD_WEATHER
   WeatherDatabase->setWeatherVisibility(visibility);
-#else
-  current_weather.set_visibility(visibility);
-#endif
 }
 
 /**
@@ -952,30 +684,7 @@ setWindDown (double speed)
                                                           speed);
 }
 
-/*
- * Set the current engine0 running flag.
- */
-static void
-setRunningFlag (bool flag)
-{
-  if ( current_aircraft.fdm_state->get_num_engines() > 0 ) {
-    current_aircraft.fdm_state->get_engine(0)->set_Running_Flag( flag );
-  }
-}
-
-/*
- * Set the current engine0 cranking flag.
- */
-//Although there is no real reason to want to tell the engine that it is cranking,
-//this is currently necessary to avoid the cranking sound being played 
-//before the engine inits.
-static void
-setCrankingFlag (bool flag)
-{
-  if ( current_aircraft.fdm_state->get_num_engines() > 0 ) {
-    current_aircraft.fdm_state->get_engine(0)->set_Cranking_Flag( flag );
-  }
-}
+#endif // FG_NEW_ENVIRONMENT
 
 static double
 getFOV ()
@@ -1047,7 +756,7 @@ static bool
 getFullScreen ()
 {
 #if defined(FX) && !defined(WIN32)
-  return global_fullscreen;
+  return globals->get_fullscreen();
 #else
   return false;
 #endif
@@ -1057,9 +766,9 @@ static void
 setFullScreen (bool state)
 {
 #if defined(FX) && !defined(WIN32)
-  global_fullscreen = state;
+  globals->set_fullscreen(state);
 #  if defined(XMESA_FX_FULLSCREEN) && defined(XMESA_FX_WINDOW)
-  XMesaSetFXmode( global_fullscreen ? XMESA_FX_FULLSCREEN : XMESA_FX_WINDOW );
+  XMesaSetFXmode( state ? XMESA_FX_FULLSCREEN : XMESA_FX_WINDOW );
 #  endif
 #endif
 }
@@ -1091,11 +800,14 @@ fgInitProps ()
                                // Simulation
   fgTie("/sim/logging/priority", getLoggingPriority, setLoggingPriority);
   fgTie("/sim/logging/classes", getLoggingClasses, setLoggingClasses);
-  fgTie("/sim/freeze", getFreeze, setFreeze);
+  // fgTie("/sim/freeze", getFreeze, setFreeze);
   fgTie("/sim/aircraft-dir", getAircraftDir, setAircraftDir);
-  fgTie("/sim/view/offset-deg", getViewOffset, setViewOffset);
+  fgTie("/sim/view/offset-deg", getViewOffset, setViewOffset, false);
   fgSetArchivable("/sim/view/offset-deg");
-  fgTie("/sim/view/goal-offset-deg", getGoalViewOffset, setGoalViewOffset);
+  fgTie("/sim/view/goal-offset-deg", getGoalViewOffset, setGoalViewOffset, false);
+  fgTie("/sim/view/tilt-deg", getViewTilt, setViewTilt, false);
+  fgSetArchivable("/sim/view/tilt-deg");
+  fgTie("/sim/view/goal-tilt-deg", getGoalViewTilt, setGoalViewTilt, false);
   fgSetArchivable("/sim/view/goal-offset-deg");
   fgTie("/sim/view/pilot/x-offset-m",
        getPilotPositionXOffset, setPilotPositionXOffset);
@@ -1106,6 +818,7 @@ fgInitProps ()
   fgTie("/sim/view/pilot/z-offset-m",
        getPilotPositionZOffset, setPilotPositionZOffset);
   fgSetArchivable("/sim/view/pilot/z-offset-m");
+  fgTie("/sim/time/elapsed-ms", getElapsedTime_ms);
   fgTie("/sim/time/gmt", getDateString, setDateString);
   fgSetArchivable("/sim/time/gmt");
   fgTie("/sim/time/gmt-string", getGMTString);
@@ -1114,58 +827,17 @@ fgInitProps ()
                                // Orientation
   fgTie("/orientation/heading-magnetic-deg", getHeadingMag);
 
-  //consumables
-  fgTie("/consumables/fuel/tank[0]/level-gal_us",
-       getTank1Fuel, setTank1Fuel, false);
-  fgSetArchivable("/consumables/fuel/tank[0]/level-gal_us");
-  fgTie("/consumables/fuel/tank[1]/level-gal_us",
-       getTank2Fuel, setTank2Fuel, false);
-  fgSetArchivable("/consumables/fuel/tank[1]/level-gal_us");
-
-                               // Autopilot
-  fgTie("/autopilot/locks/altitude", getAPAltitudeLock, setAPAltitudeLock);
-  fgSetArchivable("/autopilot/locks/altitude");
-  fgTie("/autopilot/settings/altitude-ft", getAPAltitude, setAPAltitude);
-  fgSetArchivable("/autopilot/settings/altitude-ft");
-  fgTie("/autopilot/locks/glide-slope", getAPGSLock, setAPGSLock);
-  fgSetArchivable("/autopilot/locks/glide-slope");
-  fgTie("/autopilot/locks/terrain", getAPTerrainLock, setAPTerrainLock);
-  fgSetArchivable("/autopilot/locks/terrain");
-  fgTie("/autopilot/settings/agl-ft", getAPAltitude, setAPAltitude);
-  fgSetArchivable("/autopilot/settings/agl-ft");
-  fgTie("/autopilot/settings/climb-rate-fpm", getAPClimb, setAPClimb, false);
-  fgSetArchivable("/autopilot/settings/climb-rate-fpm");
-  fgTie("/autopilot/locks/heading", getAPHeadingLock, setAPHeadingLock);
-  fgSetArchivable("/autopilot/locks/heading");
-  fgTie("/autopilot/settings/heading-bug-deg",
-       getAPHeadingBug, setAPHeadingBug, false);
-  fgSetArchivable("/autopilot/settings/heading-bug-deg");
-  fgTie("/autopilot/locks/wing-leveler", getAPWingLeveler, setAPWingLeveler);
-  fgSetArchivable("/autopilot/locks/wing-leveler");
-  fgTie("/autopilot/locks/nav[0]", getAPNAV1Lock, setAPNAV1Lock);
-  fgSetArchivable("/autopilot/locks/nav[0]");
-  fgTie("/autopilot/locks/auto-throttle",
-       getAPAutoThrottleLock, setAPAutoThrottleLock);
-  fgSetArchivable("/autopilot/locks/auto-throttle");
-  fgTie("/autopilot/control-overrides/rudder",
-       getAPRudderControl, setAPRudderControl);
-  fgSetArchivable("/autopilot/control-overrides/rudder");
-  fgTie("/autopilot/control-overrides/elevator",
-       getAPElevatorControl, setAPElevatorControl);
-  fgSetArchivable("/autopilot/control-overrides/elevator");
-  fgTie("/autopilot/control-overrides/throttle",
-       getAPThrottleControl, setAPThrottleControl);
-  fgSetArchivable("/autopilot/control-overrides/throttle");
-
                                // Environment
+#if !defined(FG_NEW_ENVIRONMENT)
   fgTie("/environment/visibility-m", getVisibility, setVisibility);
   fgSetArchivable("/environment/visibility-m");
-  fgTie("/environment/wind-north-fps", getWindNorth, setWindNorth);
-  fgSetArchivable("/environment/wind-north-fps");
-  fgTie("/environment/wind-east-fps", getWindEast, setWindEast);
-  fgSetArchivable("/environment/wind-east-fps");
-  fgTie("/environment/wind-down-fps", getWindDown, setWindDown);
-  fgSetArchivable("/environment/wind-down-fps");
+  fgTie("/environment/wind-from-north-fps", getWindNorth, setWindNorth);
+  fgSetArchivable("/environment/wind-from-north-fps");
+  fgTie("/environment/wind-from-east-fps", getWindEast, setWindEast);
+  fgSetArchivable("/environment/wind-from-east-fps");
+  fgTie("/environment/wind-from-down-fps", getWindDown, setWindDown);
+  fgSetArchivable("/environment/wind-from-down-fps");
+#endif
 
   fgTie("/environment/magnetic-variation-deg", getMagVar);
   fgTie("/environment/magnetic-dip-deg", getMagDip);
@@ -1203,10 +875,10 @@ fgUpdateProps ()
  * Save the current state of the simulator to a stream.
  */
 bool
-fgSaveFlight (ostream &output)
+fgSaveFlight (ostream &output, bool write_all)
 {
   try {
-    writeProperties(output, globals->get_props());
+    writeProperties(output, globals->get_props(), write_all);
   } catch (const sg_exception &e) {
     guiErrorMessage("Error saving flight: ", e);
     return false;