349 lines
8.5 KiB
C++
349 lines
8.5 KiB
C++
/**************************************************************************
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* cockpit.c -- 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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* (Log is kept at end of this file)
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**************************************************************************/
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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 <stdlib.h>
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#include <Aircraft/aircraft.h>
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#include <Debug/fg_debug.h>
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#include <Include/fg_constants.h>
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#include <Include/general.h>
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#include <Main/options.hxx>
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#include <Main/views.hxx>
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#include <Math/fg_random.h>
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#include <Math/mat3.h>
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#include <Math/polar3d.h>
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#include <Scenery/scenery.hxx>
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#include <Time/fg_timer.hxx>
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#include <Weather/weather.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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double get_latitude( void )
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{
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fgFLIGHT *f;
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f = current_aircraft.flight;
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// return( toDM(FG_Latitude * RAD_TO_DEG) );
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return((double)((int)( FG_Latitude * RAD_TO_DEG)) );
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}
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double get_lat_min( void )
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{
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fgFLIGHT *f;
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double a, d;
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f = current_aircraft.flight;
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a = FG_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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return( (a - d) * 60.0);
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}
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double get_longitude( void )
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{
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fgFLIGHT *f;
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f = current_aircraft.flight;
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// return( toDM(FG_Longitude * RAD_TO_DEG) );
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return((double)((int) (FG_Longitude * RAD_TO_DEG)) );
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}
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double get_long_min( void )
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{
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fgFLIGHT *f;
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double a, d;
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f = current_aircraft.flight;
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a = FG_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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return( (a - d) * 60.0);
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}
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double get_throttleval( void )
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{
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fgCONTROLS *pcontrols;
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pcontrols = current_aircraft.controls;
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return pcontrols->throttle[0]; // Hack limiting to one engine
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}
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double get_aileronval( void )
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{
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fgCONTROLS *pcontrols;
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pcontrols = current_aircraft.controls;
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return pcontrols->aileron;
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}
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double get_elevatorval( void )
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{
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fgCONTROLS *pcontrols;
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pcontrols = current_aircraft.controls;
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return pcontrols->elevator;
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}
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double get_elev_trimval( void )
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{
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fgCONTROLS *pcontrols;
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pcontrols = current_aircraft.controls;
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return pcontrols->elevator_trim;
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}
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double get_rudderval( void )
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{
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fgCONTROLS *pcontrols;
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pcontrols = current_aircraft.controls;
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return pcontrols->rudder;
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}
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double get_speed( void )
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{
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fgFLIGHT *f;
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f = current_aircraft.flight;
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return( FG_V_equiv_kts ); // Make an explicit function call.
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}
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double get_aoa( void )
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{
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fgFLIGHT *f;
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f = current_aircraft.flight;
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return( FG_Gamma_vert_rad * RAD_TO_DEG );
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}
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double get_roll( void )
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{
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fgFLIGHT *f;
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f = current_aircraft.flight;
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return( FG_Phi );
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}
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double get_pitch( void )
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{
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fgFLIGHT *f;
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f = current_aircraft.flight;
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return( FG_Theta );
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}
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double get_heading( void )
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{
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fgFLIGHT *f;
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f = current_aircraft.flight;
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return( FG_Psi * RAD_TO_DEG );
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}
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double get_altitude( void )
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{
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fgFLIGHT *f;
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// double rough_elev;
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f = current_aircraft.flight;
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// rough_elev = mesh_altitude(FG_Longitude * RAD_TO_ARCSEC,
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// FG_Latitude * RAD_TO_ARCSEC);
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return( FG_Altitude * FEET_TO_METER /* -rough_elev */ );
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}
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double get_sideslip( void )
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{
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fgFLIGHT *f;
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f = current_aircraft.flight;
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return( FG_Beta );
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}
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double get_frame_rate( void )
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{
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fgGENERAL *g;
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g = &general;
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return g->frame_rate;
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}
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double get_fov( void )
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{
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fgOPTIONS *o;
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o = ¤t_options;
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return o->fov;
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}
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double get_vfc_ratio( void )
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{
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fgVIEW *v;
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v = ¤t_view;
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return v->vfc_ratio;
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}
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bool fgCockpitInit( fgAIRCRAFT *cur_aircraft )
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{
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fgPrintf( FG_COCKPIT, FG_INFO, "Initializing cockpit subsystem\n");
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// cockpit->code = 1; /* It will be aircraft dependent */
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// cockpit->status = 0;
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// If aircraft has HUD specified we will get the specs from its def
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// file. For now we will depend upon hard coding in hud?
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// We must insure that the existing instrument link is purged.
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// This is done by deleting the links in the list.
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// HI_Head is now a null pointer so we can generate a new list from the
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// current aircraft.
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fgHUDInit( cur_aircraft );
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ac_cockpit = new fg_Cockpit();
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fgPrintf( FG_COCKPIT, FG_INFO,
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" Code %d Status %d\n",
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ac_cockpit->code(), ac_cockpit->status() );
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return true;
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}
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void fgCockpitUpdate( void )
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{
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fgPrintf( FG_COCKPIT, FG_DEBUG,
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"Cockpit: code %d status %d\n",
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ac_cockpit->code(), ac_cockpit->status() );
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fgUpdateHUD(); // This will check the global hud linked list pointer.
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// If these is anything to draw it will.
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}
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/* $Log$
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/* Revision 1.8 1998/05/17 16:58:12 curt
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/* Added a View Frustum Culling ratio display to the hud.
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/*
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* Revision 1.7 1998/05/16 13:04:13 curt
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* New updates from Charlie Hotchkiss.
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*
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* Revision 1.6 1998/05/13 18:27:53 curt
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* Added an fov to hud display.
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*
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* Revision 1.5 1998/05/11 18:13:10 curt
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* Complete C++ rewrite of all cockpit code by Charlie Hotchkiss.
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*
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* Revision 1.4 1998/05/03 00:46:45 curt
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* polar.h -> polar3d.h
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*
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* Revision 1.3 1998/04/30 12:36:02 curt
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* C++-ifying a couple source files.
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*
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* Revision 1.2 1998/04/25 22:06:26 curt
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* Edited cvs log messages in source files ... bad bad bad!
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*
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* Revision 1.1 1998/04/24 00:45:54 curt
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* C++-ifing the code a bit.
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*
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* Revision 1.13 1998/04/18 04:14:01 curt
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* Moved fg_debug.c to it's own library.
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*
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* Revision 1.12 1998/04/14 02:23:09 curt
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* Code reorganizations. Added a Lib/ directory for more general libraries.
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*
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* Revision 1.11 1998/03/14 00:32:13 curt
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* Changed a printf() to a fgPrintf().
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*
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* Revision 1.10 1998/02/07 15:29:33 curt
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* Incorporated HUD changes and struct/typedef changes from Charlie Hotchkiss
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* <chotchkiss@namg.us.anritsu.com>
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*
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* Revision 1.9 1998/02/03 23:20:14 curt
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* Lots of little tweaks to fix various consistency problems discovered by
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* Solaris' CC. Fixed a bug in fg_debug.c with how the fgPrintf() wrapper
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* passed arguments along to the real printf(). Also incorporated HUD changes
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* by Michele America.
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*
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* Revision 1.8 1998/01/31 00:43:03 curt
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* Added MetroWorks patches from Carmen Volpe.
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*
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* Revision 1.7 1998/01/27 00:47:51 curt
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* Incorporated Paul Bleisch's <bleisch@chromatic.com> new debug message
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* system and commandline/config file processing code.
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*
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* Revision 1.6 1998/01/19 19:27:01 curt
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* Merged in make system changes from Bob Kuehne <rpk@sgi.com>
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* This should simplify things tremendously.
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*
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* Revision 1.5 1998/01/19 18:40:19 curt
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* Tons of little changes to clean up the code and to remove fatal errors
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* when building with the c++ compiler.
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*
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* Revision 1.4 1997/12/30 20:47:34 curt
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* Integrated new event manager with subsystem initializations.
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*
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* Revision 1.3 1997/12/15 23:54:33 curt
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* Add xgl wrappers for debugging.
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* Generate terrain normals on the fly.
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*
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* Revision 1.2 1997/12/10 22:37:38 curt
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* Prepended "fg" on the name of all global structures that didn't have it yet.
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* i.e. "struct WEATHER {}" became "struct fgWEATHER {}"
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*
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* Revision 1.1 1997/08/29 18:03:20 curt
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* Initial revision.
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*
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*/
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