700 lines
16 KiB
C++
700 lines
16 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 <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 <GUI/gui.h>
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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 <Time/fg_time.hxx>
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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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// FGState *f;
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double lat;
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// current_aircraft.fdm_state
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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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// if(fabs(lat)<1.0)
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// {
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// if(lat<0)
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// return( -(double)((int)lat) );
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// else
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// return( (double)((int)lat) );
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// }
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// return( (double)((int)lat) );
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}
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float get_lat_min( void )
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{
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// FGState *f;
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double a, d;
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// current_aircraft.fdm_state
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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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// FGState *f;
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// current_aircraft.fdm_state
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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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// if(fabs(lon)<1.0)
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// {
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// if(lon<0)
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// return( -(double)((int)lon) );
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// else
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// return( (double)((int)lon) );
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// }
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// return( (double)((int)lon) );
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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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FGTime *t = FGTime::cur_time_params;
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const struct tm *p = t->getGmt();
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sprintf( buf, "%d/%d/%2d %d:%02d:%02d",
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p->tm_mon+1, p->tm_mday, 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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// FGState *f;
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double a, d;
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// current_aircraft.fdm_state
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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_equiv_kts();
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return( speed );
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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 ( current_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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// FGState *f;
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// f = current_aircraft.fdm_state;
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float agl;
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if ( current_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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// FGState *f;
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// f = current_aircraft.fdm_state;
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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 = current_options.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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}
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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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}
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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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}
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float get_climb_rate( void )
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{
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// FGState *f;
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// current_aircraft.fdm_state
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float climb_rate;
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if ( current_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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// FGState *f;
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// FGView *pview;
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double view;
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// pview = ¤t_view;
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// current_aircraft.fdm_state
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view = FG_2PI - current_view.get_view_offset();
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view = ( current_aircraft.fdm_state->get_Psi() + view) * 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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float fview = view;
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return( fview );
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}
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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'ss.s'' (DMS-Format) */
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/****************************************************************************/
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static char *toDMS(float a)
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{
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int neg = 0;
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float d, m, s;
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static char dms[16];
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if (a < 0.0f) {
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a = -a;
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neg = 1;
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}
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d = (float) ((int) a);
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a = (a - d) * 60.0f;
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m = (float) ((int) a);
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s = (a - m) * 60.0f;
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if (s > 59.5f) {
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s = 0.0f;
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m += 1.0f;
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}
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if (m > 59.5f) {
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m = 0.0f;
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d += 1.0f;
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}
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if (neg)
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d = -d;
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sprintf(dms, "%.0f*%02.0f'%04.1f\"", d, m, s);
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return dms;
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}
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/****************************************************************************/
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/* Convert degrees to dd mm.mmm' (DMM-Format) */
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/****************************************************************************/
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static char *toDM(float a)
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{
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int neg = 0;
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float d, m;
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static char dm[16];
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if (a < 0.0f) {
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a = -a;
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neg = 1;
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}
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d = (float) ( (int) a);
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m = (a - d) * 60.0f;
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if (m > 59.5f) {
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m = 0.0f;
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d += 1.0f;
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}
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if (neg) d = -d;
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sprintf(dm, "%.0f*%06.3f'", d, m);
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return dm;
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}
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static char *(*fgLatLonFormat)(float);
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char *coord_format_lat(float latitude)
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{
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static char buf[16];
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sprintf(buf,"%s%c",
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// dmshh_format(latitude),
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// toDMS(latitude),
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// toDM(latitude),
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fgLatLonFormat(latitude),
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latitude > 0 ? 'N' : 'S');
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return buf;
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}
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char *coord_format_lon(float longitude)
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{
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static char buf[80];
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sprintf(buf,"%s%c",
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// dmshh_format(longitude),
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// toDMS(longitude),
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// toDM(longitude),
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fgLatLonFormat(longitude),
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longitude > 0 ? 'E' : 'W');
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return buf;
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}
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void fgLatLonFormatToggle( puObject *)
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{
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static int toggle = 0;
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if ( toggle )
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fgLatLonFormat = toDM;
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else
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fgLatLonFormat = toDMS;
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toggle = ~toggle;
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}
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#ifdef NOT_USED
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char *coord_format_latlon(double latitude, double longitude)
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{
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static char buf[1024];
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sprintf(buf,"%s%c %s%c",
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dmshh_format(latitude),
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latitude > 0 ? 'N' : 'S',
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dmshh_format(longitude),
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longitude > 0 ? 'E' : 'W');
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return buf;
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}
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#endif
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#ifdef FAST_TEXT_TEST
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#undef FAST_TEXT_TEST
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#endif
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#ifdef FAST_TEXT_TEST
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static unsigned int first=0, last=128;
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unsigned int font_base;
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#define FONT "-adobe-courier-medium-r-normal--24-240-75-75-m-150-iso8859-1"
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HFONT hFont;
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void Font_Setup(void)
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{
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#ifdef _WIN32
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int count;
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HDC hdc;
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HGLRC hglrc;
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hdc = wglGetCurrentDC();
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hglrc = wglGetCurrentContext();
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if (hdc == 0 || hglrc == 0) {
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printf("Could not get context or DC\n");
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exit(1);
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}
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if (!wglMakeCurrent(hdc, hglrc)) {
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printf("Could not make context current\n");
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exit(1);
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}
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#define FONTBASE 0x1000
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/*
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hFont = GetStockObject(SYSTEM_FONT);
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hFont = CreateFont(h, w, esc, orient, weight,
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ital, under, strike, set, out, clip, qual, pitch/fam, face);
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*/
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hFont = CreateFont(30, 0, 0, 0, FW_NORMAL,
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FALSE, FALSE, FALSE, ANSI_CHARSET,
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OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DRAFT_QUALITY,
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FIXED_PITCH | FF_MODERN, "Arial");
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if (!hFont) {
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MessageBox(WindowFromDC(hdc),
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"Failed to find acceptable bitmap font.",
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"OpenGL Application Error",
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MB_ICONERROR | MB_OK);
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exit(1);
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}
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(void) SelectObject(hdc, hFont);
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wglUseFontBitmaps(hdc, 0, 255, FONTBASE);
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glListBase(FONTBASE);
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#if 0
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SelectObject (hdc, GetStockObject (SYSTEM_FONT));
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count=last-first+1;
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font_base = glGenLists(count);
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wglUseFontBitmaps (hdc, first, last, font_base);
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if (font_base == 0) {
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printf("Could not generate Text_Setup list\n");
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exit(1);
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}
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#endif // 0
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#else
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Display *Dpy;
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XFontStruct *fontInfo;
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Font id;
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Dpy = XOpenDisplay(NULL);
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fontInfo = XLoadQueryFont(Dpy, FONT);
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if (fontInfo == NULL)
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{
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printf("Failed to load font %s\n", FONT);
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exit(1);
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}
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id = fontInfo->fid;
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first = fontInfo->min_char_or_byte2;
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last = fontInfo->max_char_or_byte2;
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base = glGenLists((GLuint) last+1);
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if (base == 0) {
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printf ("out of display lists\n");
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exit (1);
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}
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glXUseXFont(id, first, last-first+1, base+first);
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#endif
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}
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static void
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drawString(char *string, GLfloat x, GLfloat y, GLfloat color[4])
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{
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glColor4fv(color);
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glRasterPos2f(x, y);
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glCallLists(strlen(string), GL_BYTE, (GLbyte *) string);
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}
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#endif // #ifdef FAST_TEXT_TEST
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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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|
|
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// cockpit->code = 1; /* It will be aircraft dependent */
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// cockpit->status = 0;
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|
|
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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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|
|
|
#ifdef FAST_TEXT_TEST
|
|
Font_Setup();
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|
#endif // #ifdef FAST_TEXT_TEST
|
|
|
|
fgHUDInit( cur_aircraft );
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|
ac_cockpit = new fg_Cockpit();
|
|
|
|
if ( current_options.get_panel_status() ) {
|
|
new FGPanel;
|
|
}
|
|
|
|
// 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 ) {
|
|
|
|
#define DISPLAY_COUNTER
|
|
#ifdef DISPLAY_COUNTER
|
|
static float lightCheck[4] = { 0.7F, 0.7F, 0.7F, 1.0F };
|
|
char buf[64],*ptr;
|
|
// int fontSize;
|
|
int c;
|
|
#endif
|
|
|
|
FG_LOG( FG_COCKPIT, FG_DEBUG,
|
|
"Cockpit: code " << ac_cockpit->code() << " status "
|
|
<< ac_cockpit->status() );
|
|
|
|
if ( current_options.get_hud_status() ) {
|
|
// This will check the global hud linked list pointer.
|
|
// If these is anything to draw it will.
|
|
fgUpdateHUD();
|
|
}
|
|
#ifdef DISPLAY_COUNTER
|
|
else
|
|
{
|
|
float fps = get_frame_rate();
|
|
float tris = fps * get_vfc_tris_drawn();
|
|
float culled = fps * get_vfc_tris_culled();
|
|
|
|
int len = sprintf(buf," %4.1f %7.0f %7.0f",
|
|
fps, tris, culled);
|
|
// sprintf(buf,"Tris Per Sec: %7.0f", t);
|
|
// fontSize = (current_options.get_xsize() > 1000) ? LARGE : SMALL;
|
|
glMatrixMode(GL_PROJECTION);
|
|
glPushMatrix();
|
|
|
|
glLoadIdentity();
|
|
gluOrtho2D(0, 1024, 0, 768);
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glPushMatrix();
|
|
glLoadIdentity();
|
|
|
|
glDisable(GL_DEPTH_TEST);
|
|
glDisable(GL_LIGHTING);
|
|
|
|
// glColor3f (.90, 0.27, 0.67);
|
|
|
|
|
|
#ifdef FAST_TEXT_TEST
|
|
drawString(buf, 250.0F, 10.0F, lightCheck);
|
|
// glRasterPos2f( 220, 10);
|
|
// for (int i=0; i < len; i++) {
|
|
// glCallList(font_base+buf[i]);
|
|
// }
|
|
#else
|
|
glColor3f (.8, 0.8, 0.8);
|
|
glTranslatef( 400, 10, 0);
|
|
glScalef(.1, .1, 0.0);
|
|
ptr = buf;
|
|
while ( ( c = *ptr++) ){
|
|
glutStrokeCharacter( GLUT_STROKE_MONO_ROMAN, c);
|
|
}
|
|
#endif // #ifdef FAST_TEXT_TEST
|
|
|
|
// glutStrokeCharacter( GLUT_STROKE_MONO_ROMAN, ' ');
|
|
// glutStrokeCharacter( GLUT_STROKE_MONO_ROMAN, ' ');
|
|
|
|
// ptr = get_formated_gmt_time();
|
|
// while ( ( c = *ptr++) ){
|
|
// glutStrokeCharacter( GLUT_STROKE_MONO_ROMAN, c);
|
|
// }
|
|
|
|
glEnable(GL_DEPTH_TEST);
|
|
glEnable(GL_LIGHTING);
|
|
glMatrixMode(GL_PROJECTION);
|
|
glPopMatrix();
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glPopMatrix();
|
|
}
|
|
#endif // DISPLAY_COUNTER
|
|
|
|
if ( current_options.get_panel_status() &&
|
|
(fabs( current_view.get_view_offset() ) < 0.2) )
|
|
{
|
|
xglViewport( 0, 0,
|
|
current_view.get_winWidth(),
|
|
current_view.get_winHeight() );
|
|
FGPanel::OurPanel->Update();
|
|
}
|
|
}
|