//
// Written by Curtis Olson, started January 2002.
//
-// Copyright (C) 2002 Curtis L. Olson - curt@flightgear.org
+// Copyright (C) 2002 Curtis L. Olson - http://www.flightgear.org/~curt
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
//
// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
#include <Time/tmp.hxx>
#include <Main/fg_props.hxx>
#include <Main/globals.hxx>
+#include <Scenery/scenery.hxx>
#include "native_gui.hxx"
#endif
+// #define FG_USE_NETWORK_BYTE_ORDER
+#if defined( FG_USE_NETWORK_BYTE_ORDER )
+
// The function htond is defined this way due to the way some
// processors and OSes treat floating point values. Some will raise
// an exception whenever a "bad" floating point value is loaded into a
return;
}
}
+static void htonf (float &x)
+{
+ if ( sgIsLittleEndian() ) {
+ int *Float_Overlay;
+ int Holding_Buffer;
+
+ Float_Overlay = (int *) &x;
+ Holding_Buffer = Float_Overlay [0];
+
+ Float_Overlay [0] = htonl (Holding_Buffer);
+ } else {
+ return;
+ }
+}
+#endif
FGNativeGUI::FGNativeGUI() {
void FGProps2NetGUI( FGNetGUI *net ) {
- int i;
+ static SGPropertyNode *nav_freq
+ = fgGetNode("/instrumentation/nav/frequencies/selected-mhz", true);
+ static SGPropertyNode *nav_target_radial
+ = fgGetNode("/instrumentation/nav/radials/target-radial-deg", true);
+ static SGPropertyNode *nav_inrange
+ = fgGetNode("/instrumentation/nav/in-range", true);
+ static SGPropertyNode *nav_loc
+ = fgGetNode("/instrumentation/nav/nav-loc", true);
+ static SGPropertyNode *nav_gs_dist_signed
+ = fgGetNode("/instrumentation/nav/gs-distance", true);
+ static SGPropertyNode *nav_loc_dist
+ = fgGetNode("/instrumentation/nav/nav-distance", true);
+ static SGPropertyNode *nav_reciprocal_radial
+ = fgGetNode("/instrumentation/nav/radials/reciprocal-radial-deg", true);
+ static SGPropertyNode *nav_gs_deflection
+ = fgGetNode("/instrumentation/nav/gs-needle-deflection", true);
+ unsigned int i;
// Version sanity checking
net->version = FG_NET_GUI_VERSION;
net->fuel_quantity[i] = node->getDoubleValue("level-gal_us");
}
- // the following really aren't used in this context
+ // Environment
net->cur_time = globals->get_time_params()->get_cur_time();
net->warp = globals->get_warp();
+ net->ground_elev = cur_fdm_state->get_Runway_altitude_m();
+
+ // Approach
+ net->tuned_freq = nav_freq->getDoubleValue();
+ net->nav_radial = nav_target_radial->getDoubleValue();
+ net->in_range = nav_inrange->getBoolValue();
+
+ if ( nav_loc->getBoolValue() ) {
+ // is an ILS
+ net->dist_nm
+ = nav_gs_dist_signed->getDoubleValue()
+ * SG_METER_TO_NM;
+ } else {
+ // is a VOR
+ net->dist_nm = nav_loc_dist->getDoubleValue()
+ * SG_METER_TO_NM;
+ }
+
+ net->course_deviation_deg
+ = nav_reciprocal_radial->getDoubleValue()
+ - nav_target_radial->getDoubleValue();
+ if ( net->course_deviation_deg < -1000.0
+ || net->course_deviation_deg > 1000.0 )
+ {
+ // Sanity check ...
+ net->course_deviation_deg = 0.0;
+ }
+ while ( net->course_deviation_deg > 180.0 ) {
+ net->course_deviation_deg -= 360.0;
+ }
+ while ( net->course_deviation_deg < -180.0 ) {
+ net->course_deviation_deg += 360.0;
+ }
+ if ( fabs(net->course_deviation_deg) > 90.0 )
+ net->course_deviation_deg
+ = ( net->course_deviation_deg<0.0
+ ? -net->course_deviation_deg - 180.0
+ : -net->course_deviation_deg + 180.0 );
+
+ if ( nav_loc->getBoolValue() ) {
+ // is an ILS
+ net->gs_deviation_deg
+ = nav_gs_deflection->getDoubleValue()
+ / 5.0;
+ } else {
+ // is an ILS
+ net->gs_deviation_deg = -9999.0;
+ }
+
+#if defined( FG_USE_NETWORK_BYTE_ORDER )
// Convert the net buffer to network format
net->version = htonl(net->version);
htond(net->longitude);
htond(net->latitude);
- htond(net->altitude);
- htond(net->phi);
- htond(net->theta);
- htond(net->psi);
- htond(net->vcas);
- htond(net->climb_rate);
+ htonf(net->altitude);
+ htonf(net->phi);
+ htonf(net->theta);
+ htonf(net->psi);
+ htonf(net->vcas);
+ htonf(net->climb_rate);
for ( i = 0; i < net->num_tanks; ++i ) {
- htond(net->fuel_quantity[i]);
+ htonf(net->fuel_quantity[i]);
}
net->num_tanks = htonl(net->num_tanks);
net->cur_time = htonl( net->cur_time );
net->warp = htonl( net->warp );
+ net->ground_elev = htonl( net->ground_elev );
+
+ htonf(net->tuned_freq);
+ htonf(net->nav_radial);
+ net->in_range = htonl( net->in_range );
+ htonf(net->dist_nm);
+ htonf(net->course_deviation_deg);
+ htonf(net->gs_deviation_deg);
+#endif
}
void FGNetGUI2Props( FGNetGUI *net ) {
- int i;
+ unsigned int i;
+#if defined( FG_USE_NETWORK_BYTE_ORDER )
// Convert to the net buffer from network format
net->version = ntohl(net->version);
htond(net->longitude);
htond(net->latitude);
- htond(net->altitude);
- htond(net->phi);
- htond(net->theta);
- htond(net->psi);
- htond(net->vcas);
- htond(net->climb_rate);
+ htonf(net->altitude);
+ htonf(net->phi);
+ htonf(net->theta);
+ htonf(net->psi);
+ htonf(net->vcas);
+ htonf(net->climb_rate);
net->num_tanks = htonl(net->num_tanks);
for ( i = 0; i < net->num_tanks; ++i ) {
- htond(net->fuel_quantity[i]);
+ htonf(net->fuel_quantity[i]);
}
net->cur_time = ntohl(net->cur_time);
net->warp = ntohl(net->warp);
+ net->ground_elev = htonl( net->ground_elev );
+
+ htonf(net->tuned_freq);
+ htonf(net->nav_radial);
+ net->in_range = htonl( net->in_range );
+ htonf(net->dist_nm);
+ htonf(net->course_deviation_deg);
+ htonf(net->gs_deviation_deg);
+#endif
if ( net->version == FG_NET_GUI_VERSION ) {
// cout << "pos = " << net->longitude << " " << net->latitude << endl;
}
globals->set_warp( net->warp );
+
+ // Approach
+ fgSetDouble( "/instrumentation/nav[0]/frequencies/selected-mhz",
+ net->tuned_freq );
+ fgSetBool( "/instrumentation/nav[0]/in-range", net->in_range );
+ fgSetDouble( "/instrumentation/dme/indicated-distance-nm", net->dist_nm );
+ fgSetDouble( "/instrumentation/nav[0]/heading-needle-deflection",
+ net->course_deviation_deg );
+ fgSetDouble( "/instrumentation/nav[0]/gs-needle-deflection",
+ net->gs_deviation_deg );
} else {
SG_LOG( SG_IO, SG_ALERT,
"Error: version mismatch in FGNetNativeGUI2Props()" );
projects / flightgear.git / blobdiff