414 lines
11 KiB
C++
414 lines
11 KiB
C++
//*************************************************************************
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// 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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// (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 <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 <Aircraft/aircraft.hxx>
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#include <Debug/logstream.hxx>
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#include <Include/fg_constants.h>
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#include <Include/general.hxx>
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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.hxx>
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#include <Scenery/scenery.hxx>
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#include <Time/fg_timer.hxx>
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#include "cockpit.hxx"
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#include "panel.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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return((double)((int)( current_aircraft.fdm_state->get_Latitude()
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* RAD_TO_DEG)) );
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}
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double 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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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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return( (double)((int) (current_aircraft.fdm_state->get_Longitude()
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* RAD_TO_DEG)) );
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}
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double 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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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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return controls.get_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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return controls.get_aileron();
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}
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double get_elevatorval( void )
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{
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return controls.get_elevator();
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}
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double get_elev_trimval( void )
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{
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return controls.get_elevator_trim();
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}
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double get_rudderval( void )
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{
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return controls.get_rudder();
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}
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double get_speed( void )
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{
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return( current_aircraft.fdm_state->get_V_equiv_kts() );
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}
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double get_aoa( void )
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{
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return( current_aircraft.fdm_state->get_Alpha() * RAD_TO_DEG );
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}
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double get_roll( void )
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{
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return( current_aircraft.fdm_state->get_Phi() );
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}
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double get_pitch( void )
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{
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return( current_aircraft.fdm_state->get_Theta() );
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}
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double get_heading( void )
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{
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return( current_aircraft.fdm_state->get_Psi() * RAD_TO_DEG );
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}
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double get_altitude( void )
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{
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if ( current_options.get_units() == fgOPTIONS::FG_UNITS_FEET ) {
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return current_aircraft.fdm_state->get_Altitude();
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} else {
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return current_aircraft.fdm_state->get_Altitude() * FEET_TO_METER;
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}
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}
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double get_agl( void )
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{
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if ( current_options.get_units() == fgOPTIONS::FG_UNITS_FEET ) {
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return 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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return current_aircraft.fdm_state->get_Altitude() * FEET_TO_METER
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- scenery.cur_elev;
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}
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}
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double get_sideslip( void )
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{
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return( current_aircraft.fdm_state->get_Beta() );
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}
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double get_frame_rate( void )
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{
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return (double) general.get_frame_rate();
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}
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double get_fov( void )
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{
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return (current_options.get_fov());
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}
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double get_vfc_ratio( void )
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{
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return current_view.get_vfc_ratio();
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}
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double get_vfc_tris_drawn ( void )
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{
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return current_view.get_tris_rendered();
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}
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double get_climb_rate( void )
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{
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if ( current_options.get_units() == fgOPTIONS::FG_UNITS_FEET ) {
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return current_aircraft.fdm_state->get_Climb_Rate() * 60.0;
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} else {
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return current_aircraft.fdm_state->get_Climb_Rate()
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* FEET_TO_METER * 60.0;
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}
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}
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bool fgCockpitInit( fgAIRCRAFT *cur_aircraft )
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{
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FG_LOG( FG_COCKPIT, FG_INFO, "Initializing cockpit subsystem" );
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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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if ( current_options.get_panel_status() ) {
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new FGPanel;
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}
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FG_LOG( FG_COCKPIT, FG_INFO,
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" Code " << ac_cockpit->code() << " Status "
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<< ac_cockpit->status() );
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return true;
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}
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void fgCockpitUpdate( void ) {
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FG_LOG( FG_COCKPIT, FG_DEBUG,
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"Cockpit: code " << ac_cockpit->code() << " status "
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<< ac_cockpit->status() );
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if ( current_options.get_hud_status() ) {
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// 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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fgUpdateHUD();
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}
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if ( current_options.get_panel_status() &&
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(fabs( current_view.get_view_offset() ) < 0.2) )
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{
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xglViewport( 0, 0,
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current_view.get_winWidth(),
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current_view.get_winHeight() );
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FGPanel::OurPanel->Update();
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}
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}
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// $Log$
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// Revision 1.31 1999/03/08 21:56:08 curt
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// Added panel changes sent in by Friedemann.
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//
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// Revision 1.30 1999/02/05 21:28:57 curt
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// Modifications to incorporate Jon S. Berndts flight model code.
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//
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// Revision 1.29 1999/01/08 19:27:34 curt
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// Fixed AOA reading on HUD.
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// Continued work on time jitter compensation.
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//
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// Revision 1.28 1999/01/07 20:24:17 curt
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// Update fgGENERAL to FGGeneral.
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//
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// Revision 1.27 1998/12/18 23:35:09 curt
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// Converted to a simpler frame rate counting method.
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//
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// Revision 1.26 1998/12/09 18:50:19 curt
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// Converted "class fgVIEW" to "class FGView" and updated to make data
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// members private and make required accessor functions.
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//
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// Revision 1.25 1998/12/05 15:54:07 curt
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// Renamed class fgFLIGHT to class FGState as per request by JSB.
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//
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// Revision 1.24 1998/12/03 01:16:00 curt
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// Converted fgFLIGHT to a class.
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//
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// Revision 1.23 1998/11/09 23:38:50 curt
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// Panel updates from Friedemann.
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//
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// Revision 1.22 1998/11/06 21:17:45 curt
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// Converted to new logstream debugging facility. This allows release
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// builds with no messages at all (and no performance impact) by using
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// the -DFG_NDEBUG flag.
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//
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// Revision 1.21 1998/11/02 23:04:02 curt
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// HUD units now display in feet by default with meters being a command line
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// option.
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//
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// Revision 1.20 1998/10/25 14:08:40 curt
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// Turned "struct fgCONTROLS" into a class, with inlined accessor functions.
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//
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// Revision 1.19 1998/10/17 01:33:56 curt
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// C++ ifying ...
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//
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// Revision 1.18 1998/10/16 23:27:23 curt
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// C++-ifying.
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//
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// Revision 1.17 1998/09/29 14:56:30 curt
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// c++-ified comments.
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//
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// Revision 1.16 1998/09/29 02:01:06 curt
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// Added a "rate of climb" indicator.
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//
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// Revision 1.15 1998/08/28 18:14:39 curt
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// Added new cockpit code from Friedemann Reinhard
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// <mpt218@faupt212.physik.uni-erlangen.de>
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//
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// Revision 1.14 1998/08/24 20:05:15 curt
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// Added a second minimalistic HUD.
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// Added code to display the number of triangles rendered.
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//
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// Revision 1.13 1998/08/22 01:19:27 curt
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// Omit panel code because it's texture loading overruns array bounds.
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//
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// Revision 1.12 1998/07/13 21:28:00 curt
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// Converted the aoa scale to a radio altimeter.
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//
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// Revision 1.11 1998/07/13 21:00:45 curt
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// Integrated Charlies latest HUD updates.
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// Wrote access functions for current fgOPTIONS.
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//
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// Revision 1.10 1998/07/08 14:41:08 curt
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// Renamed polar3d.h to polar3d.hxx
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//
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// Revision 1.9 1998/06/27 16:47:53 curt
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// Incorporated Friedemann Reinhard's <mpt218@faupt212.physik.uni-erlangen.de>
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// first pass at an isntrument panel.
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//
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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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