X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FFDM%2FBalloon.cxx;h=7ff92a6fcb4b0910686ca634c2ad792d622bbbaf;hb=3ec74d79c23347add2afa088b05ad29af975f65f;hp=6a89a73c21b6803e4b2a24a49621712dcbf9218d;hpb=32528d0cd65eb1aec904f25b692b2f961c028bfa;p=flightgear.git

diff --git a/src/FDM/Balloon.cxx b/src/FDM/Balloon.cxx
index 6a89a73c2..7ff92a6fc 100644
--- 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.
@@ -37,9 +37,13 @@ HISTORY
 /* INCLUDES								    */
 /****************************************************************************/
 
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
 #include <simgear/compiler.h>
 
-#ifdef FG_MATH_EXCEPTION_CLASH
+#ifdef SG_MATH_EXCEPTION_CLASH
 #  include <math.h>
 #endif
 
@@ -48,11 +52,11 @@ HISTORY
 #include <simgear/constants.h>
 #include <simgear/debug/logstream.hxx>
 #include <simgear/math/sg_geodesy.hxx>
-#include <simgear/misc/fgpath.hxx>
+#include <simgear/misc/sg_path.hxx>
 
 #include <Aircraft/aircraft.hxx>
-#include <Controls/controls.hxx>
-#include <Main/options.hxx>
+#include <Main/globals.hxx>
+#include <Main/fg_props.hxx>
 
 #include "Balloon.h"
 
@@ -61,23 +65,36 @@ HISTORY
 /****************************************************************************/
 
 
+FGBalloonSim::FGBalloonSim( double dt ) {
+    //set the dt of the model
+    current_balloon.set_dt(dt);
+}
+
+
+FGBalloonSim::~FGBalloonSim() {
+}
+
+
 // Initialize the BalloonSim flight model, dt is the time increment for
 // each subsequent iteration through the EOM
-int FGBalloonSim::init( double dt ) {
-    sgVec3 temp;
+void FGBalloonSim::init() {
+		
+    //do init common to all the FDM's		
+    common_init();
+    
+    //now do init specific to the Balloon
 
-    FG_LOG( FG_FLIGHT, FG_INFO, "Starting initializing BalloonSim" );
+    sgVec3 temp;
 
-    FG_LOG( FG_FLIGHT, FG_INFO, "  created a balloon" );
+    SG_LOG( SG_FLIGHT, SG_INFO, "Starting initializing BalloonSim" );
 
-    //set the dt of the model
-    current_balloon.set_dt(dt);
+    SG_LOG( SG_FLIGHT, SG_INFO, "  created a balloon" );
 
     //set position
     sgSetVec3( temp,
 	get_Latitude(), 
 	get_Longitude(), 
-	get_Altitude() * FEET_TO_METER);
+	get_Altitude() * SG_FEET_TO_METER);
     current_balloon.setPosition( temp );
 
     //set Euler angles (?)
@@ -89,21 +106,24 @@ int FGBalloonSim::init( double dt ) {
 
     //set velocities
     sgSetVec3( temp,
-	current_options.get_uBody(), 
-	current_options.get_vBody(), 
-	current_options.get_wBody() );
+	       fgGetDouble("/sim/presets/uBody-fps"),
+	       fgGetDouble("/sim/presets/vBody-fps"),
+	       fgGetDouble("/sim/presets/wBody-fps") );
     current_balloon.setVelocity( temp );
 
-    FG_LOG( FG_FLIGHT, FG_INFO, "Finished initializing BalloonSim" );
-
-    return 1;
+    SG_LOG( SG_FLIGHT, SG_INFO, "Finished initializing BalloonSim" );
 }
 
 
 // Run an iteration of the EOM (equations of motion)
-int 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();
@@ -111,11 +131,11 @@ int 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
-    current_balloon.setGroundLevel ( get_Runway_altitude() * FEET_TO_METER);
+    current_balloon.setGroundLevel ( get_Runway_altitude() * SG_FEET_TO_METER);
 
     // old -- FGInterface_2_JSBsim() not needed except for Init()
     // translate FG to JSBsim structure
@@ -140,7 +160,7 @@ int FGBalloonSim::update( int multiloop ) {
     /*sgVec3 temp, temp2;
     current_balloon.getPosition( temp );
     current_balloon.getVelocity( temp2 );
-    FG_LOG( FG_FLIGHT, FG_INFO, "T: " << current_balloon.getTemperature() <<
+    SG_LOG( SG_FLIGHT, SG_INFO, "T: " << current_balloon.getTemperature() <<
 				" alt: " << temp[2] <<
 				" gr_alt: " << get_Runway_altitude() << 
 				" burner: " << controls.get_elevator() <<
@@ -150,70 +170,40 @@ int FGBalloonSim::update( int multiloop ) {
     if ( save_alt < -9000.0 ) {
 	set_Altitude( save_alt );
     }
-
-    return 1;
 }
 
 
 // Convert from the FGInterface struct to the BalloonSim
-int FGBalloonSim::copy_to_BalloonSim() {
-    return 1;
+bool FGBalloonSim::copy_to_BalloonSim() {
+    return true;
 }
 
 
 // Convert from the BalloonSim to the FGInterface struct
-int FGBalloonSim::copy_from_BalloonSim() {
+bool FGBalloonSim::copy_from_BalloonSim() {
 
     sgVec3 temp;
 
     // Velocities
     current_balloon.getVelocity( temp );
-    set_Velocities_Local( temp[0], temp[1], temp[2] );
+    _set_Velocities_Local( temp[0], temp[1], temp[2] );
 
-    /* ***FIXME*** */ set_V_equiv_kts( sgLengthVec3 ( temp ) );
+    /* ***FIXME*** */ _set_V_equiv_kts( sgLengthVec3 ( temp ) );
 
-    set_Omega_Body( 0.0, 0.0, 0.0 );
+    _set_Omega_Body( 0.0, 0.0, 0.0 );
 
     // Positions
     current_balloon.getPosition( temp );
-    double lat_geoc = temp[0];
-    double lon	    = temp[1];
-    double alt	    = temp[2] * METER_TO_FEET;
-
-    double lat_geod, tmp_alt, sl_radius1, sl_radius2, tmp_lat_geoc;
-    sgGeocToGeod( lat_geoc, EQUATORIAL_RADIUS_M + alt * FEET_TO_METER,
-		  &lat_geod, &tmp_alt, &sl_radius1 );
-    sgGeodToGeoc( lat_geod, alt * FEET_TO_METER, &sl_radius2, &tmp_lat_geoc );
-
-    FG_LOG( FG_FLIGHT, FG_DEBUG, "lon = " << lon << " lat_geod = " << lat_geod
-	    << " lat_geoc = " << lat_geoc
-	    << " alt = " << alt << " tmp_alt = " << tmp_alt * METER_TO_FEET
-	    << " sl_radius1 = " << sl_radius1 * METER_TO_FEET
-	    << " sl_radius2 = " << sl_radius2 * METER_TO_FEET
-	    << " Equator = " << EQUATORIAL_RADIUS_FT );
-	    
-    set_Geocentric_Position( lat_geoc, lon, 
-			       sl_radius2 * METER_TO_FEET + alt );
-    set_Geodetic_Position( lat_geod, lon, alt );
+    //temp[0]: geocentric latitude
+    //temp[1]: longitude
+    //temp[2]: altitude (meters)
 
+    _updateGeocentricPosition( temp[0], temp[1], temp[2] * SG_METER_TO_FEET );
+    
     current_balloon.getHPR( temp );
     set_Euler_Angles( temp[0], temp[1], temp[2] );
-    set_Euler_Rates(0,0,0);
-
-    set_Alpha( 0.0/*FDMExec.GetTranslation()->Getalpha()*/ );
-    set_Beta( 0.0/*FDMExec.GetTranslation()->Getbeta()*/ );
-
-    /* **FIXME*** */ set_Sea_level_radius( sl_radius2 * METER_TO_FEET );
-    /* **FIXME*** */ set_Earth_position_angle( 0.0 );
-
-    /* ***FIXME*** */ set_Runway_altitude( 0.0 );
-
-    set_sin_lat_geocentric( lat_geoc );
-    set_cos_lat_geocentric( lat_geoc );
-    set_sin_cos_longitude( lon );
-    set_sin_cos_latitude( lat_geod );
-
-    return 0;
+    
+    return true;
 }