754 lines
17 KiB
C++
754 lines
17 KiB
C++
// cockpit.cxx -- routines to draw a cockpit (initial draft)
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//
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// Written by Michele America, started September 1997.
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//
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// Copyright (C) 1997 Michele F. America - nomimarketing@mail.telepac.pt
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Id$
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#ifdef HAVE_WINDOWS_H
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# include <windows.h>
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#endif
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#include <GL/glut.h>
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// #include <simgear/xgl/xgl.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <simgear/constants.h>
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#include <simgear/debug/logstream.hxx>
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#include <simgear/math/polar3d.hxx>
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#include <Aircraft/aircraft.hxx>
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#include <Include/general.hxx>
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#include <FDM/ADA.hxx>
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#include <Main/globals.hxx>
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#include <Scenery/scenery.hxx>
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#include <Time/fg_timer.hxx>
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#include <GUI/gui.h>
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#include "cockpit.hxx"
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// This is a structure that contains all data related to
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// cockpit/panel/hud system
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static pCockpit ac_cockpit;
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// The following routines obtain information concerntin the aircraft's
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// current state and return it to calling instrument display routines.
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// They should eventually be member functions of the aircraft.
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//
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float get_latitude( void )
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{
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double lat;
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lat = current_aircraft.fdm_state->get_Latitude() * RAD_TO_DEG;
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float flat = lat;
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return(flat);
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}
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float get_lat_min( void )
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{
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double a, d;
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a = current_aircraft.fdm_state->get_Latitude() * RAD_TO_DEG;
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if (a < 0.0) {
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a = -a;
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}
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d = (double) ( (int) a);
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float lat_min = (a - d) * 60.0;
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return(lat_min );
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}
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float get_longitude( void )
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{
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double lon;
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lon = current_aircraft.fdm_state->get_Longitude() * RAD_TO_DEG;
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float flon = lon;
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return(flon);
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}
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char*
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get_formated_gmt_time( void )
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{
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static char buf[32];
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const struct tm *p = globals->get_time_params()->getGmt();
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sprintf( buf, "%d/%d/%4d %d:%02d:%02d",
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p->tm_mon+1, p->tm_mday, 1900 + p->tm_year,
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p->tm_hour, p->tm_min, p->tm_sec);
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return buf;
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}
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float get_long_min( void )
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{
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double a, d;
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a = current_aircraft.fdm_state->get_Longitude() * RAD_TO_DEG;
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if (a < 0.0) {
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a = -a;
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}
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d = (double) ( (int) a);
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float lon_min = (a - d) * 60.0;
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return(lon_min);
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}
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float get_throttleval( void )
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{
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float throttle = controls.get_throttle( 0 );
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return (throttle); // Hack limiting to one engine
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}
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float get_aileronval( void )
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{
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float aileronval = controls.get_aileron();
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return (aileronval);
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}
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float get_elevatorval( void )
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{
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float elevator_val = (float)controls.get_elevator();
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return elevator_val;
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}
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float get_elev_trimval( void )
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{
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float elevatorval = controls.get_elevator_trim();
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return (elevatorval);
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}
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float get_rudderval( void )
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{
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float rudderval = controls.get_rudder();
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return (rudderval);
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}
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float get_speed( void )
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{
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// Make an explicit function call.
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float speed = current_aircraft.fdm_state->get_V_calibrated_kts()
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* globals->get_options()->get_speed_up();
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return( speed );
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}
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float get_mach(void)
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{
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float mach=current_aircraft.fdm_state->get_Mach_number();
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return mach;
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}
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float get_aoa( void )
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{
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float aoa = current_aircraft.fdm_state->get_Alpha() * RAD_TO_DEG;
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return( aoa );
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}
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float get_roll( void )
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{
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float roll = current_aircraft.fdm_state->get_Phi();
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return( roll );
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}
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float get_pitch( void )
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{
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float pitch = current_aircraft.fdm_state->get_Theta();
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return( pitch );
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}
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float get_heading( void )
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{
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float heading = (current_aircraft.fdm_state->get_Psi() * RAD_TO_DEG);
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return( heading );
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}
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float get_altitude( void )
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{
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// FGState *f;
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// double rough_elev;
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// current_aircraft.fdm_state
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// rough_elev = mesh_altitude(f->get_Longitude() * RAD_TO_ARCSEC,
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// f->get_Latitude() * RAD_TO_ARCSEC);
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float altitude;
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if ( globals->get_options()->get_units() == FGOptions::FG_UNITS_FEET ) {
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altitude = current_aircraft.fdm_state->get_Altitude();
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} else {
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altitude = (current_aircraft.fdm_state->get_Altitude() * FEET_TO_METER);
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}
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return altitude;
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}
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float get_agl( void )
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{
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float agl;
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if ( globals->get_options()->get_units() == FGOptions::FG_UNITS_FEET ) {
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agl = (current_aircraft.fdm_state->get_Altitude()
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- scenery.cur_elev * METER_TO_FEET);
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} else {
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agl = (current_aircraft.fdm_state->get_Altitude() * FEET_TO_METER
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- scenery.cur_elev);
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}
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return agl;
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}
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float get_sideslip( void )
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{
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float sideslip = current_aircraft.fdm_state->get_Beta();
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return( sideslip );
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}
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float get_frame_rate( void )
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{
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float frame_rate = general.get_frame_rate();
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return (frame_rate);
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}
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float get_fov( void )
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{
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float fov = globals->get_current_view()->get_fov();
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return (fov);
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}
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float get_vfc_ratio( void )
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{
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// float vfc = current_view.get_vfc_ratio();
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// return (vfc);
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return 0.0;
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}
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float get_vfc_tris_drawn ( void )
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{
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// float rendered = current_view.get_tris_rendered();
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// return (rendered);
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return 0.0;
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}
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float get_vfc_tris_culled ( void )
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{
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// float culled = current_view.get_tris_culled();
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// return (culled);
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return 0.0;
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}
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float get_climb_rate( void )
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{
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float climb_rate;
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if ( globals->get_options()->get_units() == FGOptions::FG_UNITS_FEET ) {
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climb_rate = current_aircraft.fdm_state->get_Climb_Rate() * 60.0;
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} else {
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climb_rate = current_aircraft.fdm_state->get_Climb_Rate() * FEET_TO_METER * 60.0;
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}
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return (climb_rate);
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}
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float get_view_direction( void )
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{
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double view_off = FG_2PI - globals->get_current_view()->get_view_offset();
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double view = ( current_aircraft.fdm_state->get_Psi() + view_off)
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* RAD_TO_DEG;
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if(view > 360.)
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view -= 360.;
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else if(view<0.)
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view += 360.;
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return view;
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}
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// $$$ begin - added, VS Renganathan 13 Oct 2K
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#ifdef FIGHTER_HUD
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float get_Vx ( void )
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{
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float Vxx = current_aircraft.fdm_state->get_V_north_rel_ground();
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return (Vxx);
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}
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float get_Vy ( void )
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{
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float Vyy = current_aircraft.fdm_state->get_V_east_rel_ground();
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return (Vyy);
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}
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float get_Vz ( void )
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{
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float Vzz = current_aircraft.fdm_state->get_V_down_rel_ground();
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return (Vzz);
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}
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float get_Ax ( void )
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{
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float Ax = current_aircraft.fdm_state->get_V_dot_north();
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return (Ax);
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}
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float get_Ay ( void )
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{
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float Ay = current_aircraft.fdm_state->get_V_dot_east();
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return (Ay);
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}
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float get_Az ( void )
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{
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float Az = current_aircraft.fdm_state->get_V_dot_down();
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return (Az);
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}
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float get_anzg ( void )
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{
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float anzg = current_aircraft.fdm_state->get_N_Z_cg();
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return (anzg);
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}
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int get_iaux1 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_iaux1();
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}
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int get_iaux2 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_iaux2();
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}
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int get_iaux3 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_iaux3();
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}
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int get_iaux4 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_iaux4();
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}
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int get_iaux5 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_iaux5();
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}
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int get_iaux6 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_iaux6();
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}
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int get_iaux7 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_iaux7();
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}
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int get_iaux8 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_iaux8();
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}
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int get_iaux9 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_iaux9();
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}
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int get_iaux10 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_iaux10();
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}
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int get_iaux11 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_iaux11();
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}
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int get_iaux12 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_iaux12();
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}
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float get_aux1 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_aux1();
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}
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float get_aux2 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_aux2();
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}
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float get_aux3 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_aux3();
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}
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float get_aux4 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_aux4();
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}
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float get_aux5 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_aux5();
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}
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float get_aux6 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_aux6();
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}
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float get_aux7 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_aux7();
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}
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float get_aux8 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_aux8();
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}
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float get_aux9 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_aux9();
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}
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float get_aux10 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_aux10();
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}
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float get_aux11 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_aux11();
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}
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float get_aux12 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_aux12();
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}
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float get_aux13 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_aux13();
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}
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float get_aux14 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_aux14();
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}
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float get_aux15 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_aux15();
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}
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float get_aux16 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_aux16();
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}
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float get_aux17 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_aux17();
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}
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float get_aux18 (void)
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{
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FGADA *fdm = (FGADA *)current_aircraft.fdm_state;
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return fdm->get_aux18();
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}
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#endif
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// $$$ end - added, VS Renganathan 13 Oct 2K
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#ifdef NOT_USED
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/****************************************************************************/
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/* Convert degrees to dd mm'ss.s" (DMS-Format) */
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/****************************************************************************/
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char *dmshh_format(double degrees)
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{
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static char buf[16];
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int deg_part;
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int min_part;
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double sec_part;
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if (degrees < 0)
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degrees = -degrees;
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deg_part = degrees;
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min_part = 60.0 * (degrees - deg_part);
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sec_part = 3600.0 * (degrees - deg_part - min_part / 60.0);
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/* Round off hundredths */
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if (sec_part + 0.005 >= 60.0)
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sec_part -= 60.0, min_part += 1;
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if (min_part >= 60)
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min_part -= 60, deg_part += 1;
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sprintf(buf,"%02d*%02d %05.2f",deg_part,min_part,sec_part);
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return buf;
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}
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#endif // 0
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/************************************************************************
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Convert degrees to dd mm.mmm' (DMM-Format)
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Description: Converts using a round-off factor tailored to the required
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precision of the minutes field (three decimal places). Round-off
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prevents function from returning a minutes value of 60.
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Input arguments: Coordinate value in decimal degrees
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************************************************************************/
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static char *toDM(float dd)
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{
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static char dm[16];
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double tempdd;
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double mn;
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double sign = 1;
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int deg;
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if (dd < 0) {
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sign = -1;
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}
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/* round for minutes expressed to three decimal places */
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tempdd = fabs(dd) + (5.0E-4 / 60.0);
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deg = (int)tempdd;
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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'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);
|
|
|
|
char *coord_format_lat(float latitude)
|
|
{
|
|
static char buf[16];
|
|
|
|
sprintf(buf,"%s%c",
|
|
// dmshh_format(latitude),
|
|
// toDMS(latitude),
|
|
// toDM(latitude),
|
|
fgLatLonFormat(latitude),
|
|
latitude > 0 ? 'N' : 'S');
|
|
return buf;
|
|
}
|
|
|
|
char *coord_format_lon(float longitude)
|
|
{
|
|
static char buf[80];
|
|
|
|
sprintf(buf,"%s%c",
|
|
// dmshh_format(longitude),
|
|
// toDMS(longitude),
|
|
// toDM(longitude),
|
|
fgLatLonFormat(longitude),
|
|
longitude > 0 ? 'E' : 'W');
|
|
return buf;
|
|
}
|
|
|
|
void fgLatLonFormatToggle( puObject *)
|
|
{
|
|
static int toggle = 0;
|
|
|
|
if ( toggle )
|
|
fgLatLonFormat = toDM;
|
|
else
|
|
fgLatLonFormat = toDMS;
|
|
|
|
toggle = ~toggle;
|
|
}
|
|
|
|
#ifdef NOT_USED
|
|
char *coord_format_latlon(double latitude, double longitude)
|
|
{
|
|
static char buf[1024];
|
|
|
|
sprintf(buf,"%s%c %s%c",
|
|
dmshh_format(latitude),
|
|
latitude > 0 ? 'N' : 'S',
|
|
dmshh_format(longitude),
|
|
longitude > 0 ? 'E' : 'W');
|
|
return buf;
|
|
}
|
|
#endif
|
|
|
|
|
|
bool fgCockpitInit( fgAIRCRAFT *cur_aircraft )
|
|
{
|
|
FG_LOG( FG_COCKPIT, FG_INFO, "Initializing cockpit subsystem" );
|
|
|
|
// cockpit->code = 1; /* It will be aircraft dependent */
|
|
// cockpit->status = 0;
|
|
|
|
// If aircraft has HUD specified we will get the specs from its def
|
|
// file. For now we will depend upon hard coding in hud?
|
|
|
|
// We must insure that the existing instrument link is purged.
|
|
// This is done by deleting the links in the list.
|
|
|
|
// HI_Head is now a null pointer so we can generate a new list from the
|
|
// current aircraft.
|
|
|
|
fgHUDInit( cur_aircraft );
|
|
ac_cockpit = new fg_Cockpit();
|
|
|
|
// Have to set the LatLon display type
|
|
fgLatLonFormat = toDM;
|
|
|
|
FG_LOG( FG_COCKPIT, FG_INFO,
|
|
" Code " << ac_cockpit->code() << " Status "
|
|
<< ac_cockpit->status() );
|
|
|
|
return true;
|
|
}
|
|
|
|
void fgCockpitUpdate( void ) {
|
|
|
|
FG_LOG( FG_COCKPIT, FG_DEBUG,
|
|
"Cockpit: code " << ac_cockpit->code() << " status "
|
|
<< ac_cockpit->status() );
|
|
|
|
int iwidth = globals->get_options()->get_xsize();
|
|
int iheight = globals->get_options()->get_ysize();
|
|
float width = iwidth;
|
|
float height = iheight;
|
|
|
|
if ( globals->get_options()->get_hud_status() ) {
|
|
// 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
|
|
{
|
|
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);
|
|
sprintf(buf,"%-5.1f", fps);
|
|
|
|
glMatrixMode( GL_PROJECTION );
|
|
glPushMatrix();
|
|
glLoadIdentity();
|
|
gluOrtho2D( 0, globals->get_options()->get_xsize(),
|
|
0, globals->get_options()->get_ysize() );
|
|
glMatrixMode( GL_MODELVIEW );
|
|
glPushMatrix();
|
|
glLoadIdentity();
|
|
|
|
glDisable( GL_DEPTH_TEST );
|
|
glDisable( GL_LIGHTING );
|
|
|
|
glColor3f( 0.9, 0.4, 0.2 );
|
|
|
|
guiFnt.drawString( buf,
|
|
int(width - guiFnt.getStringWidth(buf) - 10),
|
|
10 );
|
|
glEnable( GL_DEPTH_TEST );
|
|
glEnable( GL_LIGHTING );
|
|
glMatrixMode( GL_PROJECTION );
|
|
glPopMatrix();
|
|
glMatrixMode( GL_MODELVIEW );
|
|
glPopMatrix();
|
|
}
|
|
#endif // #ifdef DISPLAY_COUNTER
|
|
|
|
glViewport( 0, 0,
|
|
globals->get_options()->get_xsize(),
|
|
globals->get_options()->get_ysize() );
|
|
|
|
if (current_panel != 0)
|
|
current_panel->update();
|
|
}
|