// hud.cxx -- hud defines and prototypes
//
// Written by Michele America, started September 1997.
//
// Copyright (C) 1997 Michele F. America - micheleamerica@geocities.com
//
// 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 <string.h>
#ifdef HAVE_VALUES_H
# include <values.h> // for MAXINT
#endif
#include <Aircraft/aircraft.hxx>
#include <Debug/logstream.hxx>
#include <Include/fg_constants.h>
#include <Main/options.hxx>
#include <Math/fg_random.h>
#include <Math/mat3.h>
#include <Math/polar3d.hxx>
#include <Scenery/scenery.hxx>
#include <Time/fg_timer.hxx>
#if defined ( __sun__ ) || defined ( __sgi )
extern "C" {
extern void *memmove(void *, const void *, size_t);
}
#endif
#include "hud.hxx"
static char units[5];
// 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.
//
deque< instr_item * > HUD_deque;
class locRECT {
public:
RECT rect;
locRECT( UINT left, UINT top, UINT right, UINT bottom);
RECT get_rect(void) { return rect;}
};
locRECT :: locRECT( UINT left, UINT top, UINT right, UINT bottom)
{
rect.left = left;
rect.top = top;
rect.right = right;
rect.bottom = bottom;
}
// #define DEBUG
void drawOneLine( UINT x1, UINT y1, UINT x2, UINT y2)
{
glBegin(GL_LINES);
glVertex2f(x1, y1);
glVertex2f(x2, y2);
glEnd();
}
void drawOneLine( RECT &rect)
{
glBegin(GL_LINES);
glVertex2f(rect.left, rect.top);
glVertex2f(rect.right, rect.bottom);
glEnd();
}
//
// The following code deals with painting the "instrument" on the display
//
/* textString - Bitmap font string */
void textString( int x, int y, char *msg, void *font ){
glRasterPos2f(x, y);
while (*msg) {
glutBitmapCharacter(font, *msg);
msg++;
}
}
/* strokeString - Stroke font string */
void strokeString(int x, int y, char *msg, void *font, float theta)
{
int xx;
int yy;
glPushMatrix();
glRotatef(theta * RAD_TO_DEG, 0.0, 0.0, 1.0);
xx = (int)(x * cos(theta) + y * sin( theta ));
yy = (int)(y * cos(theta) - x * sin( theta ));
glTranslatef( xx, yy, 0);
glScalef(.1, .1, 0.0);
while (*msg) {
glutStrokeCharacter(font, *msg);
msg++;
}
glPopMatrix();
}
//========================= End of Class Implementations===================
// fgHUDInit
//
// Constructs a HUD object and then adds in instruments. At the present
// the instruments are hard coded into the routine. Ultimately these need
// to be defined by the aircraft's instrumentation records so that the
// display for a Piper Cub doesn't show the speed range of a North American
// mustange and the engine readouts of a B36!
//
#define INSTRDEFS 21
int fgHUDInit( fgAIRCRAFT * /* current_aircraft */ )
{
instr_item *HIptr;
int index;
FG_LOG( FG_COCKPIT, FG_INFO, "Initializing current aircraft HUD" );
HUD_deque.erase( HUD_deque.begin(), HUD_deque.end()); // empty the HUD deque
// hud->code = 1;
// hud->status = 0;
// For now lets just hardcode the hud here.
// In the future, hud information has to come from the same place
// aircraft information came from.
// fgHUDSetTimeMode( hud, NIGHT );
// fgHUDSetBrightness( hud, BRT_LIGHT );
index = 0;
do {
switch ( index ) {
case 0: // TBI
HIptr = (instr_item *) new fgTBI_instr( 270, 100, 60, 10 );
break;
case 1: // Artificial Horizon
HIptr = (instr_item *) new HudLadder( 240, 195, 120, 180 );
break;
case 2: // KIAS
HIptr = (instr_item *) new hud_card( 130,
170,
28,
200,
get_speed,
HUDS_LEFT | HUDS_VERT,
200.0, 0.0,
1.0,
10, 5,
0,
0,
50.0,
true);
break;
case 3: // Radio Altimeter
HIptr = (instr_item *) new hud_card( 420,
195,
25,
150,
get_agl,
HUDS_LEFT | HUDS_VERT,
1000, 0,
1.0,
25, 5,
0,
0,
200.0,
true);
break;
case 4: // GYRO COMPASS
HIptr = (instr_item *) new hud_card( 200,
375,
200,
28,
get_heading,
HUDS_TOP,
360, 0,
1.0,
5, 1,
360,
0,
25,
true);
break;
case 5: // AMSL
HIptr = (instr_item *) new hud_card( 460,
170,
35,
200,
get_altitude,
HUDS_RIGHT | HUDS_VERT,
15000, 0,
1.0,
100, 25,
0,
0,
250,
true);
break;
case 6:
HIptr = (instr_item *) new guage_instr( 250, // x
350, // y
100, // width
20, // height
get_aileronval, // data source
HUDS_BOTTOM | HUDS_NOTEXT,
100.0,
+1.0,
-1.0);
break;
case 7:
HIptr = (instr_item *) new guage_instr( 170, // x
225, // y
20, // width
100, // height
get_elevatorval, // data source
HUDS_RIGHT | HUDS_VERT | HUDS_NOTEXT,
-100.0, // Scale data
+1.0, // Data Range
-1.0);
break;
case 8:
HIptr = (instr_item *) new guage_instr( 250, // x
200, // y
100, // width
20, // height
get_rudderval, // data source
HUDS_TOP | HUDS_NOTEXT,
100.0,
+1.0,
-1.0);
break;
case 9:
HIptr = (instr_item *) new guage_instr( 100, // x
190,
20,
160, // height
get_throttleval, // data source
HUDS_VERT | HUDS_RIGHT | HUDS_NOTEXT,
100.0,
1.0,
0.0);
break;
case 10: // Digital KIAS
HIptr = (instr_item *) new instr_label ( 110,
150,
40,
30,
get_speed,
"%5.0f",
NULL,
" Kts",
1.0,
HUDS_TOP,
RIGHT_JUST,
SMALL,
0,
TRUE );
break;
case 11: // Digital Rate of Climb
HIptr = (instr_item *) new instr_label ( 110,
135,
40,
10,
get_climb_rate,
"%5.0f",
" Climb",
NULL,
1.0,
HUDS_TOP,
RIGHT_JUST,
SMALL,
0,
TRUE );
break;
case 12: // Roll indication diagnostic
HIptr = (instr_item *) new instr_label ( 110,
120,
40,
10,
get_roll,
"%5.2f",
" Roll",
" Deg",
1.0,
HUDS_TOP,
RIGHT_JUST,
SMALL,
0,
TRUE );
break;
case 13: // Angle of attack diagnostic
HIptr = (instr_item *) new instr_label ( 440,
150,
60,
10,
get_aoa,
" %5.2f",
"AOA",
" Deg",
1.0,
HUDS_TOP,
RIGHT_JUST,
SMALL,
0,
TRUE );
break;
case 14:
HIptr = (instr_item *) new instr_label ( 440,
135,
60,
10,
get_heading,
" %5.1f",
"Heading ",
" Deg",
1.0,
HUDS_TOP,
RIGHT_JUST,
SMALL,
0,
TRUE );
break;
case 15:
HIptr = (instr_item *) new instr_label ( 440,
120,
60,
10,
get_sideslip,
"%5.2f",
"Sideslip ",
NULL,
1.0,
HUDS_TOP,
RIGHT_JUST,
SMALL,
0,
TRUE );
break;
case 16:
HIptr = (instr_item *) new instr_label( 440,
100,
60,
10,
get_throttleval,
"%5.2f",
"Throttle ",
NULL,
1.0,
HUDS_TOP,
RIGHT_JUST,
SMALL,
0,
TRUE );
break;
case 17:
HIptr = (instr_item *) new instr_label( 440,
85,
60,
10,
get_elevatorval,
"%5.2f",
"Elevator ",
NULL,
1.0,
HUDS_TOP,
RIGHT_JUST,
SMALL,
0,
TRUE );
break;
case 18:
HIptr = (instr_item *) new instr_label( 440,
60,
60,
10,
get_aileronval,
"%5.2f",
"Aileron ",
NULL,
1.0,
HUDS_TOP,
RIGHT_JUST,
SMALL,
0,
TRUE );
break;
case 19:
HIptr = (instr_item *) new instr_label( 10,
10,
60,
10,
get_frame_rate,
"%.1f",
"Frame rate = ",
NULL,
1.0,
HUDS_TOP,
RIGHT_JUST,
SMALL,
0,
TRUE );
break;
case 20:
switch( current_options.get_tris_or_culled() ) {
case 0:
HIptr = (instr_item *) new instr_label( 10,
25,
90,
10,
get_vfc_tris_drawn,
"%.0f",
"Tris Rendered = ",
NULL,
1.0,
HUDS_TOP,
RIGHT_JUST,
SMALL,
0,
TRUE );
break;
case 1:
HIptr = (instr_item *) new instr_label( 10,
25,
90,
10,
get_vfc_ratio,
"%.2f",
"VFC Ratio = ",
NULL,
1.0,
HUDS_TOP,
RIGHT_JUST,
SMALL,
0,
TRUE );
break;
}
break;
case 21:
HIptr = (instr_item *) new instr_label( 10,
40,
90,
10,
get_fov,
"%.1f",
"FOV = ",
NULL,
1.0,
HUDS_TOP,
RIGHT_JUST,
SMALL,
0,
TRUE );
break;
default:
HIptr = 0;;
}
if( HIptr ) { // Anything to install?
HUD_deque.insert( HUD_deque.begin(), HIptr);
}
index++;
}
while( HIptr );
return 0; // For now. Later we may use this for an error code.
}
int fgHUDInit2( fgAIRCRAFT * /* current_aircraft */ )
{
instr_item *HIptr;
int index;
FG_LOG( FG_COCKPIT, FG_INFO, "Initializing current aircraft HUD" );
HUD_deque.erase( HUD_deque.begin(), HUD_deque.end());
// hud->code = 1;
// hud->status = 0;
// For now lets just hardcode the hud here.
// In the future, hud information has to come from the same place
// aircraft information came from.
// fgHUDSetTimeMode( hud, NIGHT );
// fgHUDSetBrightness( hud, BRT_LIGHT );
// index = 0;
index = 19;
instr_item* p;
p = new instr_label( 10, 10, 60, 10,
get_frame_rate,
"%.1f",
"Frame rate = ",
NULL,
1.0,
HUDS_TOP,
RIGHT_JUST,
SMALL,
0,
TRUE );
HUD_deque.push_front( p );
if ( current_options.get_tris_or_culled() == 0 )
p = new instr_label( 10, 25, 90, 10,
get_vfc_tris_drawn,
"%.0f",
"Tris Rendered = ",
NULL,
1.0,
HUDS_TOP,
RIGHT_JUST,
SMALL,
0,
TRUE );
else
p = new instr_label( 10, 25, 90, 10,
get_vfc_ratio,
"%.2f",
"VFC Ratio = ",
NULL,
1.0,
HUDS_TOP,
RIGHT_JUST,
SMALL,
0,
TRUE );
HUD_deque.push_front( p );
p = new instr_label( 10, 40, 90, 10,
get_fov,
"%.1f",
"FOV = ",
NULL,
1.0,
HUDS_TOP,
RIGHT_JUST,
SMALL,
0,
TRUE );
HUD_deque.push_front( p );
const int x_pos = 480;
p = new instr_label( x_pos, 40, 40, 30,
get_speed,
"%5.0f",
"Airspeed ",
" Kts",
1.0,
HUDS_TOP,
RIGHT_JUST,
SMALL,
0,
TRUE );
HUD_deque.push_front( p );
if ( current_options.get_units() == fgOPTIONS::FG_UNITS_FEET ) {
strcpy(units, " ft");
} else {
strcpy(units, " m");
}
p = new instr_label( x_pos, 25, 40, 10,
get_altitude,
"%5.0f",
"Altitude ",
units,
1.0,
HUDS_TOP,
RIGHT_JUST,
SMALL,
0,
TRUE );
HUD_deque.push_front( p );
p = new instr_label( x_pos, 10, 60, 10,
get_heading,
"%5.1f",
"Heading ",
" Deg",
1.0,
HUDS_TOP,
RIGHT_JUST,
SMALL,
0,
TRUE );
HUD_deque.push_front( p );
return 0; // For now. Later we may use this for an error code.
}
int global_day_night_switch = DAY;
void HUD_brightkey( bool incr_bright )
{
instr_item *pHUDInstr = HUD_deque[0];
int brightness = pHUDInstr->get_brightness();
if( current_options.get_hud_status() ) {
if( incr_bright ) {
switch (brightness) {
case BRT_LIGHT:
current_options.set_hud_status(0);
break;
case BRT_MEDIUM:
brightness = BRT_LIGHT;
break;
case BRT_DARK:
brightness = BRT_MEDIUM;
break;
case BRT_BLACK:
brightness = BRT_DARK;
break;
default:
brightness = BRT_BLACK;
}
}
else {
switch (brightness) {
case BRT_LIGHT:
brightness = BRT_MEDIUM;
break;
case BRT_MEDIUM:
brightness = BRT_DARK;
break;
case BRT_DARK:
brightness = BRT_BLACK;
break;
case BRT_BLACK:
default:
current_options.set_hud_status(0);
}
}
}
else {
current_options.set_hud_status(1);
if( incr_bright ) {
if( DAY == global_day_night_switch ) {
brightness = BRT_BLACK;
}
else {
brightness = BRT_DARK;
global_day_night_switch = DAY;
}
}
else {
if( NIGHT == global_day_night_switch ) {
brightness = BRT_DARK;
}
else {
brightness = BRT_MEDIUM;
global_day_night_switch = NIGHT;
}
}
}
pHUDInstr->SetBrightness( brightness );
}
// fgUpdateHUD
//
// Performs a once around the list of calls to instruments installed in
// the HUD object with requests for redraw. Kinda. It will when this is
// all C++.
//
void fgUpdateHUD( void ) {
int i;
int brightness;
// int day_night_sw = current_aircraft.controls->day_night_switch;
int day_night_sw = global_day_night_switch;
int hud_displays = HUD_deque.size();
instr_item *pHUDInstr;
if( !hud_displays ) { // Trust everyone, but ALWAYS cut the cards!
return;
}
pHUDInstr = HUD_deque[0];
brightness = pHUDInstr->get_brightness();
// brightness = HUD_deque.at(0)->get_brightness();
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
gluOrtho2D(0, 640, 0, 480);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glColor3f(1.0, 1.0, 1.0);
glIndexi(7);
glDisable(GL_DEPTH_TEST);
glDisable(GL_LIGHTING);
glLineWidth(1);
deque < instr_item * > :: iterator current = HUD_deque.begin();
deque < instr_item * > :: iterator last = HUD_deque.end();
for ( ; current != last; ++current ) {
pHUDInstr = *current;
// for( i = hud_displays; i; --i) { // Draw everything
// if( HUD_deque.at(i)->enabled()) {
// pHUDInstr = HUD_deque[i - 1];
if( pHUDInstr->enabled()) {
// We should to respond to a dial instead
// or as well to the of time of day. Of
// course, we have no dial!
if( day_night_sw == DAY) {
switch (brightness) {
case BRT_LIGHT:
glColor3f (0.1, 0.9, 0.1);
break;
case BRT_MEDIUM:
glColor3f (0.1, 0.7, 0.0);
break;
case BRT_DARK:
glColor3f (0.0, 0.5, 0.0);
break;
case BRT_BLACK:
glColor3f( 0.0, 0.0, 0.0);
break;
default:;
}
}
else {
if( day_night_sw == NIGHT) {
switch (brightness) {
case BRT_LIGHT:
glColor3f (0.9, 0.1, 0.1);
break;
case BRT_MEDIUM:
glColor3f (0.7, 0.0, 0.1);
break;
case BRT_DARK:
default:
glColor3f (0.5, 0.0, 0.0);
}
}
else { // Just in case default
glColor3f (0.1, 0.9, 0.1);
}
}
// fgPrintf( FG_COCKPIT, FG_DEBUG, "HUD Code %d Status %d\n",
// hud->code, hud->status );
pHUDInstr->draw();
// HUD_deque.at(i)->draw(); // Responsible for broken or fixed variants.
// No broken displays honored just now.
}
}
glEnable(GL_DEPTH_TEST);
glEnable(GL_LIGHTING);
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
}
// $Log$
// Revision 1.27 1998/11/06 21:17:47 curt
// Converted to new logstream debugging facility. This allows release
// builds with no messages at all (and no performance impact) by using
// the -DFG_NDEBUG flag.
//
// Revision 1.26 1998/11/03 12:33:11 curt
// Display ft or m in mini-hud next to altitude.
//
// Revision 1.25 1998/10/17 01:33:57 curt
// C++ ifying ...
//
// Revision 1.24 1998/10/16 23:27:25 curt
// C++-ifying.
//
// Revision 1.23 1998/10/16 00:53:00 curt
// Mods to display a bit more info when mini-hud is active.
//
// Revision 1.22 1998/09/29 14:56:31 curt
// c++-ified comments.
//
// Revision 1.21 1998/09/29 02:01:07 curt
// Added a "rate of climb" indicator.
//
// Revision 1.20 1998/08/24 20:05:16 curt
// Added a second minimalistic HUD.
// Added code to display the number of triangles rendered.
//
// Revision 1.19 1998/07/30 23:44:05 curt
// Tweaks for sgi building.
//
// Revision 1.18 1998/07/20 12:47:55 curt
// Replace the hud rendering for loop (which linearly searches the the hud
// list to find the entry with the proper position) with a simple linear
// traversal using an "iterator."
//
// Revision 1.17 1998/07/13 21:28:02 curt
// Converted the aoa scale to a radio altimeter.
//
// Revision 1.16 1998/07/13 21:00:47 curt
// Integrated Charlies latest HUD updates.
// Wrote access functions for current fgOPTIONS.
//
// Revision 1.15 1998/07/08 14:41:08 curt
// Renamed polar3d.h to polar3d.hxx
//
// Revision 1.14 1998/07/06 21:31:20 curt
// Removed an extraneous ^M.
//
// Revision 1.13 1998/07/03 13:16:28 curt
// Added Charlie Hotchkiss's HUD updates and improvementes.
//
// Revision 1.11 1998/06/05 18:17:10 curt
// Added the declaration of memmove needed by the stl which apparently
// solaris only defines for cc compilations and not for c++ (__STDC__)
//
// Revision 1.10 1998/05/17 16:58:12 curt
// Added a View Frustum Culling ratio display to the hud.
//
// Revision 1.9 1998/05/16 13:04:14 curt
// New updates from Charlie Hotchkiss.
//
// Revision 1.8 1998/05/13 18:27:54 curt
// Added an fov to hud display.
//
// Revision 1.7 1998/05/11 18:13:11 curt
// Complete C++ rewrite of all cockpit code by Charlie Hotchkiss.
//
// Revision 1.22 1998/04/18 04:14:02 curt
// Moved fg_debug.c to it's own library.
//
// Revision 1.21 1998/04/03 21:55:28 curt
// Converting to Gnu autoconf system.
// Tweaks to hud.c
//
// Revision 1.20 1998/03/09 22:48:40 curt
// Minor "formatting" tweaks.
//
// Revision 1.19 1998/02/23 20:18:28 curt
// Incorporated Michele America's hud changes.
//
// Revision 1.18 1998/02/21 14:53:10 curt
// Added Charlie's HUD changes.
//
// Revision 1.17 1998/02/20 00:16:21 curt
// Thursday's tweaks.
//
// Revision 1.16 1998/02/19 13:05:49 curt
// Incorporated some HUD tweaks from Michelle America.
// Tweaked the sky's sunset/rise colors.
// Other misc. tweaks.
//
// Revision 1.15 1998/02/16 13:38:39 curt
// Integrated changes from Charlie Hotchkiss.
//
// Revision 1.14 1998/02/12 21:59:41 curt
// Incorporated code changes contributed by Charlie Hotchkiss
// <chotchkiss@namg.us.anritsu.com>
//
// Revision 1.12 1998/02/09 15:07:48 curt
// Minor tweaks.
//
// Revision 1.11 1998/02/07 15:29:34 curt
// Incorporated HUD changes and struct/typedef changes from Charlie Hotchkiss
// <chotchkiss@namg.us.anritsu.com>
//
// Revision 1.10 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 1.9 1998/01/31 00:43:04 curt
// Added MetroWorks patches from Carmen Volpe.
//
// Revision 1.8 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 1.7 1998/01/19 18:40:20 curt
// Tons of little changes to clean up the code and to remove fatal errors
// when building with the c++ compiler.
//
// Revision 1.6 1997/12/15 23:54:34 curt
// Add xgl wrappers for debugging.
// Generate terrain normals on the fly.
//
// Revision 1.5 1997/12/10 22:37:39 curt
// Prepended "fg" on the name of all global structures that didn't have it yet.
// i.e. "struct WEATHER {}" became "struct fgWEATHER {}"
//
// Revision 1.4 1997/09/23 00:29:32 curt
// Tweaks to get things to compile with gcc-win32.
//
// Revision 1.3 1997/09/05 14:17:26 curt
// More tweaking with stars.
//
// Revision 1.2 1997/09/04 02:17:30 curt
// Shufflin' stuff.
//
// Revision 1.1 1997/08/29 18:03:22 curt
// Initial revision.
//