#include <Time/tmp.hxx>
#include <Main/fg_props.hxx>
#include <Main/globals.hxx>
+#include <Scenery/scenery.hxx>
#include "native_fdm.hxx"
}
}
+// Float version
+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;
+ }
+}
+
FGNativeFDM::FGNativeFDM() {
}
set_enabled( true );
+ // Is this really needed here ????
cur_fdm_state->_set_Sea_level_radius( SG_EQUATORIAL_RADIUS_FT );
+
return true;
}
-void FGProps2NetFDM( FGNetFDM *net ) {
+void FGProps2NetFDM( FGNetFDM *net, bool net_byte_order ) {
int i;
// Version sanity checking
net->longitude = cur_fdm_state->get_Longitude();
net->latitude = cur_fdm_state->get_Latitude();
net->altitude = cur_fdm_state->get_Altitude() * SG_FEET_TO_METER;
+ net->agl = cur_fdm_state->get_Altitude_AGL() * SG_FEET_TO_METER;
net->phi = cur_fdm_state->get_Phi();
net->theta = cur_fdm_state->get_Theta();
net->psi = cur_fdm_state->get_Psi();
+ net->alpha = cur_fdm_state->get_Alpha();
+ net->beta = cur_fdm_state->get_Beta();
net->phidot = cur_fdm_state->get_Phi_dot_degps() * SG_DEGREES_TO_RADIANS;
net->thetadot = cur_fdm_state->get_Theta_dot_degps()
* SG_DEGREES_TO_RADIANS;
net->v_wind_body_north = cur_fdm_state->get_uBody();
net->v_wind_body_east = cur_fdm_state->get_vBody();
net->v_wind_body_down = cur_fdm_state->get_wBody();
- net->stall_warning = fgGetDouble("/sim/alarms/stall-warning", 0.0);
net->A_X_pilot = cur_fdm_state->get_A_X_pilot();
net->A_Y_pilot = cur_fdm_state->get_A_Y_pilot();
net->A_Z_pilot = cur_fdm_state->get_A_Z_pilot();
+ net->stall_warning = fgGetDouble("/sim/alarms/stall-warning", 0.0);
+ net->slip_deg
+ = fgGetDouble("/instrumentation/slip-skid-ball/indicated-slip-skid");
+
// Engine parameters
net->num_engines = FGNetFDM::FG_MAX_ENGINES;
for ( i = 0; i < net->num_engines; ++i ) {
for (i = 0; i < net->num_wheels; ++i ) {
SGPropertyNode *node = fgGetNode("/gear/gear", i, true);
net->wow[i] = node->getDoubleValue("wow");
+ net->gear_pos[i] = node->getDoubleValue("position-norm");
+ net->gear_steer[i] = node->getDoubleValue("steering-norm");
+ net->gear_compression[i] = node->getDoubleValue("compression-norm");
}
- // cout << "Flap deflection = " << aero->dflap << endl;
- net->flap_deflection = fgGetDouble("/surface-positions/flap-pos-norm" );
-
// the following really aren't used in this context
net->cur_time = globals->get_time_params()->get_cur_time();
net->warp = globals->get_warp();
net->visibility = fgGetDouble("/environment/visibility-m");
- // 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->phidot);
- htond(net->thetadot);
- htond(net->psidot);
- htond(net->vcas);
- htond(net->climb_rate);
- htond(net->v_north);
- htond(net->v_east);
- htond(net->v_down);
- htond(net->v_wind_body_north);
- htond(net->v_wind_body_east);
- htond(net->v_wind_body_down);
- htond(net->stall_warning);
-
- htond(net->A_X_pilot);
- htond(net->A_Y_pilot);
- htond(net->A_Z_pilot);
-
- for ( i = 0; i < net->num_engines; ++i ) {
- htonl(net->eng_state[i]);
- htond(net->rpm[i]);
- htond(net->fuel_flow[i]);
- htond(net->EGT[i]);
- htond(net->oil_temp[i]);
- htond(net->oil_px[i]);
- }
- net->num_engines = htonl(net->num_engines);
+ // Control surface positions
+ SGPropertyNode *node = fgGetNode("/surface-positions", true);
+ net->elevator = node->getDoubleValue( "elevator-pos-norm" );
+ net->flaps = node->getDoubleValue( "flap-pos-norm" );
+ net->left_aileron = node->getDoubleValue( "left-aileron-pos-norm" );
+ net->right_aileron = node->getDoubleValue( "right-aileron-pos-norm" );
+ net->rudder = node->getDoubleValue( "rudder-pos-norm" );
+ net->rudder = node->getDoubleValue( "nose-wheel-pos-norm" );
+ net->speedbrake = node->getDoubleValue( "speedbrake-pos-norm" );
+ net->spoilers = node->getDoubleValue( "spoilers-pos-norm" );
+
+ if ( net_byte_order ) {
+ // Convert the net buffer to network format
+ net->version = htonl(net->version);
+
+ htond(net->longitude);
+ htond(net->latitude);
+ htond(net->altitude);
+ htonf(net->agl);
+ htonf(net->phi);
+ htonf(net->theta);
+ htonf(net->psi);
+ htonf(net->alpha);
+ htonf(net->beta);
+
+ htonf(net->phidot);
+ htonf(net->thetadot);
+ htonf(net->psidot);
+ htonf(net->vcas);
+ htonf(net->climb_rate);
+ htonf(net->v_north);
+ htonf(net->v_east);
+ htonf(net->v_down);
+ htonf(net->v_wind_body_north);
+ htonf(net->v_wind_body_east);
+ htonf(net->v_wind_body_down);
+
+ htonf(net->A_X_pilot);
+ htonf(net->A_Y_pilot);
+ htonf(net->A_Z_pilot);
+
+ htonf(net->stall_warning);
+ htonf(net->slip_deg);
+
+ for ( i = 0; i < net->num_engines; ++i ) {
+ net->eng_state[i] = htonl(net->eng_state[i]);
+ htonf(net->rpm[i]);
+ htonf(net->fuel_flow[i]);
+ htonf(net->EGT[i]);
+ htonf(net->oil_temp[i]);
+ htonf(net->oil_px[i]);
+ }
+ net->num_engines = htonl(net->num_engines);
- for ( i = 0; i < net->num_tanks; ++i ) {
- htond(net->fuel_quantity[i]);
- }
- net->num_tanks = htonl(net->num_tanks);
+ for ( i = 0; i < net->num_tanks; ++i ) {
+ htonf(net->fuel_quantity[i]);
+ }
+ net->num_tanks = htonl(net->num_tanks);
- for ( i = 0; i < net->num_wheels; ++i ) {
- net->wow[i] = htonl(net->wow[i]);
+ for ( i = 0; i < net->num_wheels; ++i ) {
+ net->wow[i] = htonl(net->wow[i]);
+ htonf(net->gear_pos[i]);
+ htonf(net->gear_steer[i]);
+ htonf(net->gear_compression[i]);
+ }
+ net->num_wheels = htonl(net->num_wheels);
+
+ net->cur_time = htonl( net->cur_time );
+ net->warp = htonl( net->warp );
+ htonf(net->visibility);
+
+ htonf(net->elevator);
+ htonf(net->flaps);
+ htonf(net->left_aileron);
+ htonf(net->right_aileron);
+ htonf(net->rudder);
+ htonf(net->nose_wheel);
+ htonf(net->speedbrake);
+ htonf(net->spoilers);
}
- net->num_wheels = htonl(net->num_wheels);
- htond(net->flap_deflection);
-
- net->cur_time = htonl( net->cur_time );
- net->warp = htonl( net->warp );
- htond(net->visibility);
}
-void FGNetFDM2Props( FGNetFDM *net ) {
+void FGNetFDM2Props( FGNetFDM *net, bool net_byte_order ) {
int i;
- // 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->phidot);
- htond(net->thetadot);
- htond(net->psidot);
- htond(net->vcas);
- htond(net->climb_rate);
- htond(net->v_north);
- htond(net->v_east);
- htond(net->v_down);
- htond(net->v_wind_body_north);
- htond(net->v_wind_body_east);
- htond(net->v_wind_body_down);
- htond(net->stall_warning);
-
- htond(net->A_X_pilot);
- htond(net->A_Y_pilot);
- htond(net->A_Z_pilot);
-
- net->num_engines = htonl(net->num_engines);
- for ( i = 0; i < net->num_engines; ++i ) {
- htonl(net->eng_state[i]);
- htond(net->rpm[i]);
- htond(net->fuel_flow[i]);
- htond(net->EGT[i]);
- htond(net->oil_temp[i]);
- htond(net->oil_px[i]);
- }
+ if ( net_byte_order ) {
+ // Convert to the net buffer from network format
+ net->version = ntohl(net->version);
+
+ htond(net->longitude);
+ htond(net->latitude);
+ htond(net->altitude);
+ htonf(net->agl);
+ htonf(net->phi);
+ htonf(net->theta);
+ htonf(net->psi);
+ htonf(net->alpha);
+ htonf(net->beta);
+
+ htonf(net->phidot);
+ htonf(net->thetadot);
+ htonf(net->psidot);
+ htonf(net->vcas);
+ htonf(net->climb_rate);
+ htonf(net->v_north);
+ htonf(net->v_east);
+ htonf(net->v_down);
+ htonf(net->v_wind_body_north);
+ htonf(net->v_wind_body_east);
+ htonf(net->v_wind_body_down);
+
+ htonf(net->A_X_pilot);
+ htonf(net->A_Y_pilot);
+ htonf(net->A_Z_pilot);
+
+ htonf(net->stall_warning);
+ htonf(net->slip_deg);
+
+ net->num_engines = htonl(net->num_engines);
+ for ( i = 0; i < net->num_engines; ++i ) {
+ net->eng_state[i] = htonl(net->eng_state[i]);
+ htonf(net->rpm[i]);
+ htonf(net->fuel_flow[i]);
+ htonf(net->EGT[i]);
+ htonf(net->oil_temp[i]);
+ htonf(net->oil_px[i]);
+ }
- net->num_tanks = htonl(net->num_tanks);
- for ( i = 0; i < net->num_tanks; ++i ) {
- htond(net->fuel_quantity[i]);
- }
+ net->num_tanks = htonl(net->num_tanks);
+ for ( i = 0; i < net->num_tanks; ++i ) {
+ htonf(net->fuel_quantity[i]);
+ }
- net->num_wheels = htonl(net->num_wheels);
- // I don't need to convert the Wow flags, since they are one byte in size
- htond(net->flap_deflection);
+ net->num_wheels = htonl(net->num_wheels);
+ for ( i = 0; i < net->num_wheels; ++i ) {
+ net->wow[i] = htonl(net->wow[i]);
+ htonf(net->gear_pos[i]);
+ htonf(net->gear_steer[i]);
+ htonf(net->gear_compression[i]);
+ }
- net->cur_time = ntohl(net->cur_time);
- net->warp = ntohl(net->warp);
- htond(net->visibility);
+ net->cur_time = ntohl(net->cur_time);
+ net->warp = ntohl(net->warp);
+ htonf(net->visibility);
+
+ htonf(net->elevator);
+ htonf(net->flaps);
+ htonf(net->left_aileron);
+ htonf(net->right_aileron);
+ htonf(net->rudder);
+ htonf(net->nose_wheel);
+ htonf(net->speedbrake);
+ htonf(net->spoilers);
+ }
if ( net->version == FG_NET_FDM_VERSION ) {
// cout << "pos = " << net->longitude << " " << net->latitude << endl;
net->longitude,
net->altitude
* SG_METER_TO_FEET );
+ if ( net->agl > -9000 ) {
+ cur_fdm_state->_set_Altitude_AGL( net->agl * SG_METER_TO_FEET );
+ } else {
+ double agl_m
+ = net->altitude - globals->get_scenery()->get_cur_elev();
+ cur_fdm_state->_set_Altitude_AGL( agl_m * SG_METER_TO_FEET );
+ }
cur_fdm_state->_set_Euler_Angles( net->phi,
net->theta,
net->psi );
+ cur_fdm_state->_set_Alpha( net->alpha );
+ cur_fdm_state->_set_Beta( net->beta );
cur_fdm_state->_set_Euler_Rates( net->phidot,
net->thetadot,
net->psidot );
net->v_wind_body_east,
net->v_wind_body_down );
- fgSetDouble( "/sim/alarms/stall-warning", net->stall_warning );
cur_fdm_state->_set_Accels_Pilot_Body( net->A_X_pilot,
net->A_Y_pilot,
net->A_Z_pilot );
+ fgSetDouble( "/sim/alarms/stall-warning", net->stall_warning );
+ fgSetDouble( "/instrumentation/slip-skid-ball/indicated-slip-skid",
+ net->slip_deg );
+ fgSetBool( "/instrumentation/slip-skid-ball/override", true );
+
for ( i = 0; i < net->num_engines; ++i ) {
SGPropertyNode *node = fgGetNode( "engines/engine", i, true );
}
for (i = 0; i < net->num_wheels; ++i ) {
- SGPropertyNode * node
- = fgGetNode("/gear/gear", i, true);
+ SGPropertyNode * node = fgGetNode("/gear/gear", i, true);
node->setDoubleValue("wow", net->wow[i] );
+ node->setDoubleValue("position-norm", net->gear_pos[i] );
+ node->setDoubleValue("steering-norm", net->gear_steer[i] );
+ node->setDoubleValue("compression-norm", net->gear_compression[i] );
}
- fgSetDouble("/surface-positions/flap-pos-norm", net->flap_deflection);
- SGPropertyNode * node = fgGetNode("/controls", true);
- fgSetDouble("/surface-positions/elevator-pos-norm",
- node->getDoubleValue( "elevator" ));
- fgSetDouble("/surface-positions/rudder-pos-norm",
- node->getDoubleValue( "rudder" ));
- fgSetDouble("/surface-positions/left-aileron-pos-norm",
- node->getDoubleValue( "aileron" ));
- fgSetDouble("/surface-positions/right-aileron-pos-norm",
- -node->getDoubleValue( "aileron" ));
-
/* these are ignored for now ... */
/*
if ( net->cur_time ) {
globals->set_warp( net->warp );
last_warp = net->warp;
*/
+
+ SGPropertyNode *node = fgGetNode("/surface-positions", true);
+ node->setDoubleValue("elevator-pos-norm", net->elevator);
+ node->setDoubleValue("flap-pos-norm", net->flaps);
+ node->setDoubleValue("left-aileron-pos-norm", net->left_aileron);
+ node->setDoubleValue("right-aileron-pos-norm", net->right_aileron);
+ node->setDoubleValue("rudder-pos-norm", net->rudder);
+ node->setDoubleValue("nose-wheel-pos-norm", net->nose_wheel);
+ node->setDoubleValue("speedbrake-pos-norm", net->speedbrake);
+ node->setDoubleValue("spoilers-pos-norm", net->spoilers);
} else {
- SG_LOG( SG_IO, SG_ALERT, "Error: version mismatch in net2global()" );
+ SG_LOG( SG_IO, SG_ALERT,
+ "Error: version mismatch in FGNetFDM2Props()" );
SG_LOG( SG_IO, SG_ALERT,
"\tread " << net->version << " need " << FG_NET_FDM_VERSION );
SG_LOG( SG_IO, SG_ALERT,
- "\tsomeone needs to upgrade net_fdm.hxx and recompile." );
+ "\tNeeds to upgrade net_fdm.hxx and recompile." );
}
}
FGNetFDM2Props( &buf );
}
} else {
- while ( io->read( (char *)(& buf), length ) == length ) {
- SG_LOG( SG_IO, SG_DEBUG, "Success reading data." );
- FGNetFDM2Props( &buf );
+ int result;
+ result = io->read( (char *)(& buf), length );
+ while ( result == length ) {
+ if ( result == length ) {
+ SG_LOG( SG_IO, SG_DEBUG, " Success reading data." );
+ FGNetFDM2Props( &buf );
+ }
+ result = io->read( (char *)(& buf), length );
}
}
}