- fix two bugs

[flightgear.git] / src / FDM / Balloon.cxx

diff --git a/src/FDM/Balloon.cxx b/src/FDM/Balloon.cxx
index 8cd245ed53e980b37c19f2cb6414b6da9395890d..7ff92a6fcb4b0910686ca634c2ad792d622bbbaf 100644 (file)
--- a/src/FDM/Balloon.cxx
+++ b/src/FDM/Balloon.cxx
@@ -17,9 +17,9 @@
  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  details.
 
- You should have received a copy of the GNU General Public License along with
- this program; if not, write to the Free Software Foundation, Inc., 59 Temple
- Place - Suite 330, Boston, MA  02111-1307, USA.
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
  Further information about the GNU General Public License can also be found on
  the world wide web at http://www.gnu.org.
@@ -37,6 +37,10 @@ HISTORY
 /* INCLUDES                                                                */
 /****************************************************************************/
 
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
 #include <simgear/compiler.h>
 
 #ifdef SG_MATH_EXCEPTION_CLASH
@@ -51,7 +55,6 @@ HISTORY
 #include <simgear/misc/sg_path.hxx>
 
 #include <Aircraft/aircraft.hxx>
-#include <Controls/controls.hxx>
 #include <Main/globals.hxx>
 #include <Main/fg_props.hxx>
 
@@ -75,9 +78,11 @@ FGBalloonSim::~FGBalloonSim() {
 // Initialize the BalloonSim flight model, dt is the time increment for
 // each subsequent iteration through the EOM
 void FGBalloonSim::init() {
-                               // explicitly call the superclass's
-                               // init method first.
-    FGInterface::init();
+               
+    //do init common to all the FDM's          
+    common_init();
+    
+    //now do init specific to the Balloon
 
     sgVec3 temp;
 
@@ -101,9 +106,9 @@ void FGBalloonSim::init() {
 
     //set velocities
     sgSetVec3( temp,
-              fgGetDouble("/velocities/uBody-fps"),
-              fgGetDouble("/velocities/vBody-fps"),
-              fgGetDouble("/velocities/wBody-fps") );
+              fgGetDouble("/sim/presets/uBody-fps"),
+              fgGetDouble("/sim/presets/vBody-fps"),
+              fgGetDouble("/sim/presets/wBody-fps") );
     current_balloon.setVelocity( temp );
 
     SG_LOG( SG_FLIGHT, SG_INFO, "Finished initializing BalloonSim" );
@@ -111,9 +116,14 @@ void FGBalloonSim::init() {
 
 
 // Run an iteration of the EOM (equations of motion)
-bool FGBalloonSim::update( int multiloop ) {
+void FGBalloonSim::update( double dt ) {
     double save_alt = 0.0;
 
+    if (is_suspended())
+      return;
+
+    int multiloop = _calc_multiloop(dt);
+
     // lets try to avoid really screwing up the BalloonSim model
     if ( get_Altitude() < -9000 ) {
        save_alt = get_Altitude();
@@ -121,7 +131,7 @@ bool FGBalloonSim::update( int multiloop ) {
     }
 
     // set control positions
-    current_balloon.set_burner_strength ( controls.get_throttle(0) );
+    current_balloon.set_burner_strength ( globals->get_controls()->get_throttle(0) );
     //not more implemented yet
 
     // Inform BalloonSim of the local terrain altitude
@@ -160,8 +170,6 @@ bool FGBalloonSim::update( int multiloop ) {
     if ( save_alt < -9000.0 ) {
        set_Altitude( save_alt );
     }
-
-    return true;
 }
 
 
@@ -190,7 +198,7 @@ bool FGBalloonSim::copy_from_BalloonSim() {
     //temp[1]: longitude
     //temp[2]: altitude (meters)
 
-    _updatePosition( temp[0], temp[1], temp[2] * SG_METER_TO_FEET  );
+    _updateGeocentricPosition( temp[0], temp[1], temp[2] * SG_METER_TO_FEET );
     
     current_balloon.getHPR( temp );
     set_Euler_Angles( temp[0], temp[1], temp[2] );