X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FCockpit%2Fcockpit.cxx;h=ce8d5d897546c5779fc82061b25dc418a803d8bc;hb=f057fd0d4897ef65c4d36159af37ba3fdd544798;hp=648c0a83e282e7f14fab19bc3d524ce69a3401c0;hpb=c90db01dc8d5462a3da22771ffa7c96f5ea31217;p=flightgear.git

diff --git a/src/Cockpit/cockpit.cxx b/src/Cockpit/cockpit.cxx
index 648c0a83e..ce8d5d897 100644
--- a/src/Cockpit/cockpit.cxx
+++ b/src/Cockpit/cockpit.cxx
@@ -29,39 +29,40 @@
 #  include <windows.h>
 #endif
 
-#include <GL/glut.h>
-#include <XGL/xgl.h>
+#include <simgear/compiler.h>
+
+#include SG_GLU_H
 
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
 
+#include <simgear/constants.h>
+#include <simgear/debug/logstream.hxx>
+#include <simgear/math/polar3d.hxx>
+#include <simgear/props/props.hxx>
+#include <simgear/timing/sg_time.hxx>
+
 #include <Aircraft/aircraft.hxx>
-#include <Debug/logstream.hxx>
-#include <Include/fg_constants.h>
 #include <Include/general.hxx>
-#include <Main/options.hxx>
-#include <Main/views.hxx>
-#include <Math/fg_random.h>
-#include <Math/mat3.h>
-#include <Math/polar3d.hxx>
+#ifdef ENABLE_SP_FMDS
+#include <FDM/SP/ADA.hxx>
+#endif
+#include <Main/globals.hxx>
+#include <Main/fg_props.hxx>
+#include <Main/viewmgr.hxx>
 #include <Scenery/scenery.hxx>
 #include <Time/fg_timer.hxx>
-#include <Time/fg_time.hxx>
 #include <GUI/gui.h>
 
 #include "cockpit.hxx"
+#include "hud.hxx"
 
 
 // This is a structure that contains all data related to
 // cockpit/panel/hud system
 
 static pCockpit ac_cockpit;
-fntRenderer *HUDtext = 0;
-float  HUD_TextSize = 0;
-int HUD_style = 0;
-
-float HUD_matrix[16];
 // The following routines obtain information concerntin the aircraft's
 // current state and return it to calling instrument display routines.
 // They should eventually be member functions of the aircraft.
@@ -69,37 +70,27 @@ float HUD_matrix[16];
 
 float get_latitude( void )
 {
-    double lat;
-
-    lat = current_aircraft.fdm_state->get_Latitude() * RAD_TO_DEG;
-
-    float flat = lat;
-    return(flat);
-
+    return current_aircraft.fdm_state->get_Latitude() * SGD_RADIANS_TO_DEGREES;
 }
 
 float get_lat_min( void )
 {
-    double      a, d;
+    double a, d;
 
-    a = current_aircraft.fdm_state->get_Latitude() * RAD_TO_DEG;    
+    a = current_aircraft.fdm_state->get_Latitude() * SGD_RADIANS_TO_DEGREES;    
     if (a < 0.0) {
         a = -a;
     }
     d = (double) ( (int) a);
     float lat_min = (a - d) * 60.0;
-    return(lat_min );
+
+    return lat_min;
 }
 
 
 float get_longitude( void )
 {
-    double lon;
-
-    lon = current_aircraft.fdm_state->get_Longitude() * RAD_TO_DEG;
-
-    float flon = lon;
-    return(flon);
+    return current_aircraft.fdm_state->get_Longitude() * SGD_RADIANS_TO_DEGREES;
 }
 
 
@@ -107,11 +98,11 @@ char*
 get_formated_gmt_time( void )
 {
     static char buf[32];
-    FGTime *t = FGTime::cur_time_params;
-    const struct tm *p = t->getGmt();
-    sprintf( buf, "%d/%d/%2d %d:%02d:%02d", 
-         p->tm_mon+1, p->tm_mday, p->tm_year,
+    const struct tm *p = globals->get_time_params()->getGmt();
+    sprintf( buf, "%d/%d/%4d %d:%02d:%02d", 
+         p->tm_mon+1, p->tm_mday, 1900 + p->tm_year,
          p->tm_hour, p->tm_min, p->tm_sec);
+
     return buf;
 }
 
@@ -119,172 +110,421 @@ get_formated_gmt_time( void )
 float get_long_min( void )
 {
     double  a, d;
-    a = current_aircraft.fdm_state->get_Longitude() * RAD_TO_DEG;   
+    a = current_aircraft.fdm_state->get_Longitude() * SGD_RADIANS_TO_DEGREES;   
     if (a < 0.0) {
         a = -a;
     }
     d = (double) ( (int) a);
     float lon_min = (a - d) * 60.0; 
-    return(lon_min);
+
+    return lon_min;
 }
 
 float get_throttleval( void )
 {
-    float throttle = controls.get_throttle( 0 );
-    return (throttle);     // Hack limiting to one engine
+    // Hack limiting to one engine
+    return globals->get_controls()->get_throttle( 0 );
 }
 
 float get_aileronval( void )
 {
-    float aileronval = controls.get_aileron();
-    return (aileronval);
+    return globals->get_controls()->get_aileron();
 }
 
 float get_elevatorval( void )
 {
-    float elevator_val = (float)controls.get_elevator();
-    return elevator_val;
+    return globals->get_controls()->get_elevator();
 }
 
 float get_elev_trimval( void )
 {
-    float elevatorval = controls.get_elevator_trim();
-    return (elevatorval);
+    return globals->get_controls()->get_elevator_trim();
 }
 
 float get_rudderval( void )
 {
-    float rudderval = controls.get_rudder();
-    return (rudderval);
+    return globals->get_controls()->get_rudder();
 }
 
 float get_speed( void )
 {
-    // Make an explicit function call.
-    float speed = current_aircraft.fdm_state->get_V_equiv_kts();
-    return( speed );
+    static const SGPropertyNode * speedup_node = fgGetNode("/sim/speed-up");
+
+    float speed = current_aircraft.fdm_state->get_V_calibrated_kts()
+	* speedup_node->getIntValue();
+
+    return speed;
 }
 
+float get_mach(void)
+{
+    return current_aircraft.fdm_state->get_Mach_number();
+}	
+
 float get_aoa( void )
 {
-    float aoa = current_aircraft.fdm_state->get_Alpha() * RAD_TO_DEG;
-    return( aoa );
+    return current_aircraft.fdm_state->get_Alpha() * SGD_RADIANS_TO_DEGREES;
 }
 
 float get_roll( void )
 {
-    float roll = current_aircraft.fdm_state->get_Phi();
-    return( roll );
+    return current_aircraft.fdm_state->get_Phi();
 }
 
 float get_pitch( void )
 {
-    float pitch = current_aircraft.fdm_state->get_Theta();
-    return( pitch );
+    return current_aircraft.fdm_state->get_Theta();
 }
 
 float get_heading( void )
 {
-    float heading = (current_aircraft.fdm_state->get_Psi() * RAD_TO_DEG);
-    return( heading );
+    return current_aircraft.fdm_state->get_Psi() * SGD_RADIANS_TO_DEGREES;
 }
 
 float get_altitude( void )
 {
-//  FGState *f;
-    // double rough_elev;
+    static const SGPropertyNode *startup_units_node
+        = fgGetNode("/sim/startup/units");
 
-//  current_aircraft.fdm_state
-    // rough_elev = mesh_altitude(f->get_Longitude() * RAD_TO_ARCSEC,
-    //                         f->get_Latitude()  * RAD_TO_ARCSEC);
     float altitude;
 
-    if ( current_options.get_units() == fgOPTIONS::FG_UNITS_FEET ) {
+    if ( !strcmp(startup_units_node->getStringValue(), "feet") ) {
         altitude = current_aircraft.fdm_state->get_Altitude();
     } else {
-        altitude = (current_aircraft.fdm_state->get_Altitude() * FEET_TO_METER);
+        altitude = (current_aircraft.fdm_state->get_Altitude()
+                    * SG_FEET_TO_METER);
     }
+
     return altitude;
 }
 
 float get_agl( void )
 {
+    static const SGPropertyNode *startup_units_node
+        = fgGetNode("/sim/startup/units");
+
     float agl;
 
-    if ( current_options.get_units() == fgOPTIONS::FG_UNITS_FEET ) {
+    if ( !strcmp(startup_units_node->getStringValue(), "feet") ) {
         agl = (current_aircraft.fdm_state->get_Altitude()
-               - scenery.cur_elev * METER_TO_FEET);
+               - current_aircraft.fdm_state->get_Runway_altitude());
     } else {
-        agl = (current_aircraft.fdm_state->get_Altitude() * FEET_TO_METER
-               - scenery.cur_elev);
+        agl = (current_aircraft.fdm_state->get_Altitude()
+               - current_aircraft.fdm_state->get_Runway_altitude()) * SG_FEET_TO_METER;
     }
+
     return agl;
 }
 
 float get_sideslip( void )
 {
-    float sideslip = current_aircraft.fdm_state->get_Beta();
-    return( sideslip );
+    return current_aircraft.fdm_state->get_Beta();
 }
 
 float get_frame_rate( void )
 {
-    float frame_rate = general.get_frame_rate();
-    return (frame_rate); 
+    return general.get_frame_rate();
 }
 
 float get_fov( void )
 {
-    float fov = current_options.get_fov(); 
-    return (fov);
+    return globals->get_current_view()->get_fov(); 
 }
 
 float get_vfc_ratio( void )
 {
-    float vfc = current_view.get_vfc_ratio();
-    return (vfc);
+    // float vfc = current_view.get_vfc_ratio();
+    // return (vfc);
+    return 0.0;
 }
 
 float get_vfc_tris_drawn   ( void )
 {
-    float rendered = current_view.get_tris_rendered();
-    return (rendered);
+    // float rendered = current_view.get_tris_rendered();
+    // return (rendered);
+    return 0.0;
 }
 
 float get_vfc_tris_culled   ( void )
 {
-    float culled = current_view.get_tris_culled();
-    return (culled);
+    // float culled = current_view.get_tris_culled();
+    // return (culled);
+    return 0.0;
 }
 
 float get_climb_rate( void )
 {
+    static const SGPropertyNode *startup_units_node
+        = fgGetNode("/sim/startup/units");
+
     float climb_rate;
-    if ( current_options.get_units() == fgOPTIONS::FG_UNITS_FEET ) {
+    if ( !strcmp(startup_units_node->getStringValue(), "feet") ) {
         climb_rate = current_aircraft.fdm_state->get_Climb_Rate() * 60.0;
     } else {
-        climb_rate = current_aircraft.fdm_state->get_Climb_Rate() * FEET_TO_METER * 60.0;
+        climb_rate = current_aircraft.fdm_state->get_Climb_Rate() * SG_FEET_TO_METER * 60.0;
     }
-    return (climb_rate);
+
+    return climb_rate;
 }
 
 
 float get_view_direction( void )
 {
-    double view;
- 
-    view = FG_2PI - current_view.get_view_offset();
-    view = ( current_aircraft.fdm_state->get_Psi() + view) * RAD_TO_DEG;
+    double view_off = SGD_2PI - globals->get_current_view()->getHeadingOffset_deg() * SGD_DEGREES_TO_RADIANS;
+    double view = ( current_aircraft.fdm_state->get_Psi() + view_off)
+	* SGD_RADIANS_TO_DEGREES;
     
     if(view > 360.)
         view -= 360.;
     else if(view<0.)
         view += 360.;
     
-    float fview = view;
-    return( fview );
+    return view;
+}
+
+// Added by Markus Hof on 5. Jan 2004
+float get_dme( void )
+{
+    static const SGPropertyNode * dme_node =
+        fgGetNode("/instrumentation/dme/indicated-distance-nm");
+
+    return dme_node->getFloatValue();
+}
+
+// $$$ begin - added, VS Renganathan 13 Oct 2K
+// #ifdef FIGHTER_HUD
+float get_Vx   ( void )
+{
+    // Curt dont comment this and return zero. - Ranga
+    // Please remove comments from get_V_..() function in flight.hxx
+    float Vxx = current_aircraft.fdm_state->get_V_north_rel_ground();
+    return Vxx;
+}
+
+float get_Vy   ( void )
+{
+    // Curt dont comment this and return zero. - Ranga
+    // Please remove comments from get_V_..() function in flight.hxx
+    float Vyy = current_aircraft.fdm_state->get_V_east_rel_ground();
+    return Vyy;
+}
+
+float get_Vz   ( void )
+{
+    // Curt dont comment this and return zero. - Ranga
+    // Please remove comments from get_V_..() function in flight.hxx
+    float Vzz = current_aircraft.fdm_state->get_V_down_rel_ground();
+    return Vzz;
+}
+
+float get_Ax   ( void )
+{
+    float Ax = current_aircraft.fdm_state->get_V_dot_north();
+    return Ax;
+}
+
+float get_Ay   ( void )
+{
+    float Ay = current_aircraft.fdm_state->get_V_dot_east();
+    return Ay;
+}
+
+float get_Az   ( void )
+{
+    float Az = current_aircraft.fdm_state->get_V_dot_down();
+    return Az;
+}
+
+float get_anzg   ( void )
+{
+    float anzg = current_aircraft.fdm_state->get_N_Z_cg();
+    return anzg;
+}
+
+#ifdef ENABLE_SP_FMDS
+int get_iaux1 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_iaux(1);
+}
+
+int get_iaux2 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_iaux(2);
+}
+
+int get_iaux3 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_iaux(3);
+}
+
+int get_iaux4 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_iaux(4);
+}
+
+int get_iaux5 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_iaux(5);
+}
+
+int get_iaux6 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_iaux(6);
+}
+
+int get_iaux7 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_iaux(7);
+}
+
+int get_iaux8 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_iaux(8);
+}
+
+int get_iaux9 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_iaux(9);
+}
+
+int get_iaux10 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_iaux(10);
+}
+
+int get_iaux11 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_iaux(11);
+}
+
+int get_iaux12 (void)
+{
+     FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+     return fdm->get_iaux(12);
+}
+
+float get_aux1 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_daux(1);
+}
+
+float get_aux2 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_daux(2);
+}
+
+float get_aux3 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_daux(3);
+}
+
+float get_aux4 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_daux(4);
+}
+
+float get_aux5 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_daux(5);
+}
+
+float get_aux6 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_daux(6);
+}
+
+float get_aux7 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_daux(7);
+}
+
+float get_aux8 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_daux(8);
+}
+
+float get_aux9 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_faux(1);
+}
+
+float get_aux10 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_faux(2);
+}
+
+float get_aux11 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_faux(3);
+}
+
+float get_aux12 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_faux(4);
+}
+
+float get_aux13 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_faux(5);
+}
+
+float get_aux14 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_faux(6);
+}
+
+float get_aux15 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_faux(7);
+}
+
+float get_aux16 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_faux(8);
 }
 
+float get_aux17 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_faux(9);
+}
+
+float get_aux18 (void)
+{
+    FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
+    return fdm->get_faux(10);
+}
+#endif
+// $$$ end - added, VS Renganathan 13 Oct 2K
+
+
 #ifdef NOT_USED
 /****************************************************************************/
 /* Convert degrees to dd mm'ss.s" (DMS-Format)                              */
@@ -315,67 +555,70 @@ char *dmshh_format(double degrees)
 }
 #endif // 0
 
-/****************************************************************************/
-/* Convert degrees to dd mm'ss.s'' (DMS-Format)                              */
-/****************************************************************************/
-static char *toDMS(float a)
-{
-  int        neg = 0;
-  float       d, m, s;
-  static char  dms[16];
-
-  if (a < 0.0f) {
-    a   = -a;
-    neg = 1;
-  }
-  d = (float) ((int) a); 
-  a = (a - d) * 60.0f;
-  m = (float) ((int) a);
-  s = (a - m) * 60.0f;
-  
-  if (s > 59.5f) {
-    s  = 0.0f;
-    m += 1.0f;
-  }
-  if (m > 59.5f) {
-    m  = 0.0f;
-    d += 1.0f;
-  }
-  if (neg)
-    d = -d;
-  
-  sprintf(dms, "%.0f*%02.0f %04.1f", d, m, s);
-  return dms;
+
+/************************************************************************
+ Convert degrees to dd mm.mmm' (DMM-Format)
+ Description: Converts using a round-off factor tailored to the required
+ precision of the minutes field (three decimal places).  Round-off
+ prevents function from returning a minutes value of 60.
+
+ Input arguments: Coordinate value in decimal degrees
+
+************************************************************************/
+static char *toDM(float dd)
+{
+    static char  dm[16];
+    double tempdd;
+    double mn;
+    double sign = 1;
+    int deg;
+
+    if (dd < 0) {
+	sign = -1;
+    }
+    /* round for minutes expressed to three decimal places */
+    tempdd = fabs(dd) + (5.0E-4 / 60.0);
+    deg = (int)tempdd;
+    mn = fabs( (tempdd - (double)(deg)) * 60.0 - 4.999E-4 );
+    deg *= (int)sign;
+    sprintf(dm, "%d*%06.3f", deg, mn);
+    return dm;
 }
 
 
-/****************************************************************************/
-/* Convert degrees to dd mm.mmm' (DMM-Format)                               */
-/****************************************************************************/
-static char *toDM(float a)
-{
-  int        neg = 0;
-  float       d, m;
-  static char  dm[16];
-  
-  if (a < 0.0f) {
-    a = -a;
-    neg = 1;
-  }
-
-  d = (float) ( (int) a);
-  m = (a - d) * 60.0f;
-  
-  if (m > 59.5f) {
-    m  = 0.0f;
-    d += 1.0f;
-  }
-  if (neg) d = -d;
-  
-  sprintf(dm, "%.0f*%06.3f", d, m);
-  return dm;
+/************************************************************************
+ Convert degrees to dd mm'ss.s'' (DMS-Format)
+ Description: Converts using a round-off factor tailored to the required
+ precision of the seconds field (one decimal place).  Round-off
+ prevents function from returning a seconds value of 60.
+
+ Input arguments: Coordinate value in decimal degrees
+
+************************************************************************/
+static char *toDMS(float dd)
+{
+    static char  dms[16];
+    double tempdd, tempmin;
+    int deg;
+    int mn;
+    double sec;
+    double sign = 1;
+
+    if(dd < 0) {
+	sign = -1;
+    }
+    /* round up for seconds expressed to one decimal place */
+    tempdd = fabs(dd) + (0.05 / 3600.0);
+    deg = (int)tempdd;
+    tempmin =  (tempdd - (double)(deg)) * 60.0;
+    mn = (int)tempmin;
+    sec = fabs( (tempmin - (double)(mn)) * 60.0 - 0.049 );
+    deg *= (int)sign;
+    sprintf(dms, "%d*%02d %04.1f", deg, mn, sec);
+    return dms;
 }
 
+
 // Have to set the LatLon display type
 //static char *(*fgLatLonFormat)(float) = toDM;
 static char *(*fgLatLonFormat)(float);
@@ -435,7 +678,7 @@ char *coord_format_latlon(double latitude, double longitude)
 
 bool fgCockpitInit( fgAIRCRAFT *cur_aircraft )
 {
-    FG_LOG( FG_COCKPIT, FG_INFO, "Initializing cockpit subsystem" );
+    SG_LOG( SG_COCKPIT, SG_INFO, "Initializing cockpit subsystem" );
 
     //  cockpit->code = 1;  /* It will be aircraft dependent */
     //  cockpit->status = 0;
@@ -452,85 +695,68 @@ bool fgCockpitInit( fgAIRCRAFT *cur_aircraft )
     fgHUDInit( cur_aircraft );
     ac_cockpit = new fg_Cockpit();
     
-    if ( current_options.get_panel_status() ) {
-        new FGPanel;
-    }
-
     // Have to set the LatLon display type
     fgLatLonFormat = toDM;
     
-    FG_LOG( FG_COCKPIT, FG_INFO,
+    SG_LOG( SG_COCKPIT, SG_INFO,
         "  Code " << ac_cockpit->code() << " Status " 
         << ac_cockpit->status() );
 
-//  HUD_TextSize = (current_options.get_xsize() > 1000) ? 10 : 8;
-    HUD_TextSize = 10;
-    HUDtext = new fntRenderer();
-    HUDtext -> setFont      ( guiFntHandle ) ;
-    HUDtext -> setPointSize ( HUD_TextSize ) ;
-    HUD_TextList.setFont( HUDtext );
-
-    return true;
+	return true;
 }
 
-
 void fgCockpitUpdate( void ) {
 
-    int iwidth   = current_view.get_winWidth();
-    int iheight  = current_view.get_winHeight();
+    SG_LOG( SG_COCKPIT, SG_DEBUG,
+            "Cockpit: code " << ac_cockpit->code() << " status " 
+            << ac_cockpit->status() );
+
+    static const SGPropertyNode * xsize_node = fgGetNode("/sim/startup/xsize");
+    static const SGPropertyNode * ysize_node = fgGetNode("/sim/startup/ysize");
+    static const SGPropertyNode * hud_visibility_node
+        = fgGetNode("/sim/hud/visibility");
+
+    int iwidth   = xsize_node->getIntValue();
+    int iheight  = ysize_node->getIntValue();
     float width  = iwidth;
-    float height = iheight;
-    
-    FG_LOG( FG_COCKPIT, FG_DEBUG,
-        "Cockpit: code " << ac_cockpit->code() << " status " 
-        << ac_cockpit->status() );
+    // float height = iheight;
 
-    if ( current_options.get_hud_status() ) {
+				// FIXME: inefficient
+    if ( hud_visibility_node->getBoolValue() ) {
         // This will check the global hud linked list pointer.
         // If these is anything to draw it will.
         fgUpdateHUD();
     }
-#define DISPLAY_COUNTER
-#ifdef DISPLAY_COUNTER
-    else
-    {
+
+    if ( fgGetBool( "/sim/hud/draw-fps", false ) ) {
         char buf[64];
-        float fps    =       get_frame_rate();
-//      float tris   = fps * get_vfc_tris_drawn();
-//      float culled = fps * get_vfc_tris_culled();
-//      sprintf(buf,"%-4.1f  %7.0f  %7.0f", fps, tris, culled);
+        float fps = get_frame_rate();
         sprintf(buf,"%-5.1f", fps);
 
-        glMatrixMode(GL_PROJECTION);
+        glMatrixMode( GL_PROJECTION );
         glPushMatrix();
         glLoadIdentity();
-        gluOrtho2D(0, width, 0, height);
-        glMatrixMode(GL_MODELVIEW);
+        gluOrtho2D( 0, iwidth, 0, iheight );
+        glMatrixMode( GL_MODELVIEW );
         glPushMatrix();
         glLoadIdentity();
 
-        glDisable(GL_DEPTH_TEST);
-        glDisable(GL_LIGHTING);
+        glDisable( GL_DEPTH_TEST );
+        glDisable( GL_LIGHTING );
         
-        glColor3f (0.9, 0.4, 0.2);
+        glColor3f( 0.9, 0.4, 0.2 );
 
         guiFnt.drawString( buf,
-                           width/2 - guiFnt.getStringWidth(buf)/2,
+			   int(width - guiFnt.getStringWidth(buf) - 10),
                            10 );
-        glEnable(GL_DEPTH_TEST);
-        glEnable(GL_LIGHTING);
-        glMatrixMode(GL_PROJECTION);
+        glEnable( GL_DEPTH_TEST );
+        glEnable( GL_LIGHTING );
+        glMatrixMode( GL_PROJECTION );
         glPopMatrix();
-        glMatrixMode(GL_MODELVIEW);
+        glMatrixMode( GL_MODELVIEW );
         glPopMatrix();
     }
-#endif // #ifdef DISPLAY_COUNTER
     
-    if( current_options.get_panel_status() && 
-         (fabs( current_view.get_view_offset() ) < 0.2) )
-    {
-        xglViewport( 0, 0, iwidth, iheight );
-
-        FGPanel::OurPanel->Update();
-    }
+    glViewport( 0, 0, iwidth, iheight );
 }
+