/**************************************************************************
* cockpit.c -- routines to draw a cockpit (initial draft)
*
* Written by Michele America, started September 1997.
*
* Copyright (C) 1997 Michele F. America - nomimarketing@mail.telepac.pt
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id$
* (Log is kept at end of this file)
**************************************************************************/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifdef HAVE_WINDOWS_H
# include <windows.h>
#endif
#include <GL/glut.h>
#include <stdlib.h>
#include <Aircraft/aircraft.h>
#include <Debug/fg_debug.h>
#include <Include/fg_constants.h>
#include <Include/general.h>
#include <Main/options.hxx>
#include <Main/views.hxx>
#include <Math/fg_random.h>
#include <Math/mat3.h>
#include <Math/polar3d.h>
#include <Scenery/scenery.hxx>
#include <Time/fg_timer.hxx>
#include <Weather/weather.h>
#include "cockpit.hxx"
// This is a structure that contains all data related to
// cockpit/panel/hud system
static pCockpit ac_cockpit;
// The following routines obtain information concerntin the aircraft's
// current state and return it to calling instrument display routines.
// They should eventually be member functions of the aircraft.
//
double get_latitude( void )
{
fgFLIGHT *f;
f = current_aircraft.flight;
// return( toDM(FG_Latitude * RAD_TO_DEG) );
return((double)((int)( FG_Latitude * RAD_TO_DEG)) );
}
double get_lat_min( void )
{
fgFLIGHT *f;
double a, d;
f = current_aircraft.flight;
a = FG_Latitude * RAD_TO_DEG;
if (a < 0.0) {
a = -a;
}
d = (double) ( (int) a);
return( (a - d) * 60.0);
}
double get_longitude( void )
{
fgFLIGHT *f;
f = current_aircraft.flight;
// return( toDM(FG_Longitude * RAD_TO_DEG) );
return((double)((int) (FG_Longitude * RAD_TO_DEG)) );
}
double get_long_min( void )
{
fgFLIGHT *f;
double a, d;
f = current_aircraft.flight;
a = FG_Longitude * RAD_TO_DEG;
if (a < 0.0) {
a = -a;
}
d = (double) ( (int) a);
return( (a - d) * 60.0);
}
double get_throttleval( void )
{
fgCONTROLS *pcontrols;
pcontrols = current_aircraft.controls;
return pcontrols->throttle[0]; // Hack limiting to one engine
}
double get_aileronval( void )
{
fgCONTROLS *pcontrols;
pcontrols = current_aircraft.controls;
return pcontrols->aileron;
}
double get_elevatorval( void )
{
fgCONTROLS *pcontrols;
pcontrols = current_aircraft.controls;
return pcontrols->elevator;
}
double get_elev_trimval( void )
{
fgCONTROLS *pcontrols;
pcontrols = current_aircraft.controls;
return pcontrols->elevator_trim;
}
double get_rudderval( void )
{
fgCONTROLS *pcontrols;
pcontrols = current_aircraft.controls;
return pcontrols->rudder;
}
double get_speed( void )
{
fgFLIGHT *f;
f = current_aircraft.flight;
return( FG_V_equiv_kts ); // Make an explicit function call.
}
double get_aoa( void )
{
fgFLIGHT *f;
f = current_aircraft.flight;
return( FG_Gamma_vert_rad * RAD_TO_DEG );
}
double get_roll( void )
{
fgFLIGHT *f;
f = current_aircraft.flight;
return( FG_Phi );
}
double get_pitch( void )
{
fgFLIGHT *f;
f = current_aircraft.flight;
return( FG_Theta );
}
double get_heading( void )
{
fgFLIGHT *f;
f = current_aircraft.flight;
return( FG_Psi * RAD_TO_DEG );
}
double get_altitude( void )
{
fgFLIGHT *f;
// double rough_elev;
f = current_aircraft.flight;
// rough_elev = mesh_altitude(FG_Longitude * RAD_TO_ARCSEC,
// FG_Latitude * RAD_TO_ARCSEC);
return( FG_Altitude * FEET_TO_METER /* -rough_elev */ );
}
double get_sideslip( void )
{
fgFLIGHT *f;
f = current_aircraft.flight;
return( FG_Beta );
}
double get_frame_rate( void )
{
fgGENERAL *g;
g = &general;
return g->frame_rate;
}
double get_fov( void )
{
fgOPTIONS *o;
o = ¤t_options;
return o->fov;
}
double get_vfc_ratio( void )
{
fgVIEW *v;
v = ¤t_view;
return v->vfc_ratio;
}
bool fgCockpitInit( fgAIRCRAFT *cur_aircraft )
{
fgPrintf( FG_COCKPIT, FG_INFO, "Initializing cockpit subsystem\n");
// cockpit->code = 1; /* It will be aircraft dependent */
// cockpit->status = 0;
// If aircraft has HUD specified we will get the specs from its def
// file. For now we will depend upon hard coding in hud?
// We must insure that the existing instrument link is purged.
// This is done by deleting the links in the list.
// HI_Head is now a null pointer so we can generate a new list from the
// current aircraft.
fgHUDInit( cur_aircraft );
ac_cockpit = new fg_Cockpit();
fgPrintf( FG_COCKPIT, FG_INFO,
" Code %d Status %d\n",
ac_cockpit->code(), ac_cockpit->status() );
return true;
}
void fgCockpitUpdate( void )
{
fgPrintf( FG_COCKPIT, FG_DEBUG,
"Cockpit: code %d status %d\n",
ac_cockpit->code(), ac_cockpit->status() );
fgUpdateHUD(); // This will check the global hud linked list pointer.
// If these is anything to draw it will.
}
/* $Log$
/* Revision 1.8 1998/05/17 16:58:12 curt
/* Added a View Frustum Culling ratio display to the hud.
/*
* Revision 1.7 1998/05/16 13:04:13 curt
* New updates from Charlie Hotchkiss.
*
* Revision 1.6 1998/05/13 18:27:53 curt
* Added an fov to hud display.
*
* Revision 1.5 1998/05/11 18:13:10 curt
* Complete C++ rewrite of all cockpit code by Charlie Hotchkiss.
*
* Revision 1.4 1998/05/03 00:46:45 curt
* polar.h -> polar3d.h
*
* Revision 1.3 1998/04/30 12:36:02 curt
* C++-ifying a couple source files.
*
* Revision 1.2 1998/04/25 22:06:26 curt
* Edited cvs log messages in source files ... bad bad bad!
*
* Revision 1.1 1998/04/24 00:45:54 curt
* C++-ifing the code a bit.
*
* Revision 1.13 1998/04/18 04:14:01 curt
* Moved fg_debug.c to it's own library.
*
* Revision 1.12 1998/04/14 02:23:09 curt
* Code reorganizations. Added a Lib/ directory for more general libraries.
*
* Revision 1.11 1998/03/14 00:32:13 curt
* Changed a printf() to a fgPrintf().
*
* Revision 1.10 1998/02/07 15:29:33 curt
* Incorporated HUD changes and struct/typedef changes from Charlie Hotchkiss
* <chotchkiss@namg.us.anritsu.com>
*
* Revision 1.9 1998/02/03 23:20:14 curt
* Lots of little tweaks to fix various consistency problems discovered by
* Solaris' CC. Fixed a bug in fg_debug.c with how the fgPrintf() wrapper
* passed arguments along to the real printf(). Also incorporated HUD changes
* by Michele America.
*
* Revision 1.8 1998/01/31 00:43:03 curt
* Added MetroWorks patches from Carmen Volpe.
*
* Revision 1.7 1998/01/27 00:47:51 curt
* Incorporated Paul Bleisch's <bleisch@chromatic.com> new debug message
* system and commandline/config file processing code.
*
* Revision 1.6 1998/01/19 19:27:01 curt
* Merged in make system changes from Bob Kuehne <rpk@sgi.com>
* This should simplify things tremendously.
*
* Revision 1.5 1998/01/19 18:40:19 curt
* Tons of little changes to clean up the code and to remove fatal errors
* when building with the c++ compiler.
*
* Revision 1.4 1997/12/30 20:47:34 curt
* Integrated new event manager with subsystem initializations.
*
* Revision 1.3 1997/12/15 23:54:33 curt
* Add xgl wrappers for debugging.
* Generate terrain normals on the fly.
*
* Revision 1.2 1997/12/10 22:37:38 curt
* Prepended "fg" on the name of all global structures that didn't have it yet.
* i.e. "struct WEATHER {}" became "struct fgWEATHER {}"
*
* Revision 1.1 1997/08/29 18:03:20 curt
* Initial revision.
*
*/