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flightgear/Cockpit/hud.c

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/**************************************************************************
* hud.c -- hud defines and prototypes
*
* 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)
**************************************************************************/
#include <GL/glut.h>
#include <stdlib.h>
#ifndef WIN32
# include <values.h> /* for MAXINT */
#endif /* not WIN32 */
#include "hud.h"
#include <Include/fg_constants.h>
#include <Aircraft/aircraft.h>
/* #include <Scenery/mesh.h> */
#include <Scenery/scenery.h>
#include <Math/mat3.h>
#include <Math/polar.h>
#include <Time/fg_timer.h>
#include <Math/fg_random.h>
#include <Weather/weather.h>
// #define DEBUG
#define drawOneLine(x1,y1,x2,y2) glBegin(GL_LINES); \
glVertex2f ((x1),(y1)); glVertex2f ((x2),(y2)); glEnd();
/* textString - Bitmap font string */
static void textString(int x, int y, char *msg, void *font)
{
glRasterPos2f(x, y);
while (*msg) {
glutBitmapCharacter(font, *msg);
msg++;
}
}
/* strokeString - Stroke font string */
/* static void strokeString(int x, int y, char *msg, void *font) */
/* { */
/* glPushMatrix(); */
/* glTranslatef(x, y, 0); */
/* glScalef(.04, .04, .04); */
/* while (*msg) { */
/* glutStrokeCharacter(font, *msg); */
/* msg++; */
/* } */
/* glPopMatrix(); */
/* } */
/*
Draws a measuring scale anywhere on the HUD
Needs: HUD_scale struct
*/
static void drawscale( int type, int sub_type, int min_value, int orientation, int scr_pos, \
int scr_min, int scr_max, double total_amount, int min_div, int max_div, \
double cur_value )
{
double vmin, vmax;
int marker_x, marker_y;
int mid_scr;
// int scale_min, scale_max;
register i;
double factor;
char TextScale[80];
int condition;
vmin = cur_value-total_amount/2;
vmax = cur_value+total_amount/2;
mid_scr = scr_min+(scr_max-scr_min)/2;
if( type == VERTICAL ) // Vertical scale
{
if( orientation == LEFT )
marker_x = scr_pos-6;
else if( orientation == RIGHT )
marker_x = scr_pos;
drawOneLine( scr_pos, scr_min, scr_pos, scr_max );
if( orientation == LEFT )
{
drawOneLine( scr_pos-3, scr_min, scr_pos, scr_min );
drawOneLine( scr_pos-3, scr_max, scr_pos, scr_max );
drawOneLine( scr_pos, mid_scr, scr_pos+6, mid_scr );
} else if( orientation == RIGHT )
{
drawOneLine( scr_pos, scr_min, scr_pos+3, scr_min );
drawOneLine( scr_pos, scr_max, scr_pos+3, scr_max );
drawOneLine( scr_pos, mid_scr, scr_pos-6, mid_scr );
}
factor = (scr_max-scr_min)/total_amount;
for( i=vmin; i<=vmax; i+=1 )
{
if( sub_type == LIMIT )
condition = i>= min_value;
else if( sub_type == NOLIMIT )
condition = 1;
if( condition )
{
marker_y = scr_min+(i-vmin)*factor;
if( i%min_div==0 )
if( orientation == LEFT )
{
drawOneLine( marker_x+3, marker_y, marker_x+6, marker_y );
}
else if( orientation == RIGHT )
{
drawOneLine( marker_x, marker_y, marker_x+3, marker_y );
}
if( i%max_div==0 )
{
drawOneLine( marker_x, marker_y, marker_x+6, marker_y );
sprintf( TextScale, "%d", i );
if( orientation == LEFT )
{
textString( marker_x-8*strlen(TextScale)-2, marker_y-4, TextScale, GLUT_BITMAP_8_BY_13 );
}
else if( orientation == RIGHT )
{
textString( marker_x+10, marker_y-4, TextScale, GLUT_BITMAP_8_BY_13 );
}
}
}
}
}
if( type == HORIZONTAL ) // Horizontal scale
{
if( orientation == TOP )
marker_y = scr_pos;
else if( orientation == BOTTOM )
marker_y = scr_pos-6;
drawOneLine( scr_min, scr_pos, scr_max, scr_pos );
if( orientation == TOP )
{
drawOneLine( scr_min, scr_pos, scr_min, scr_pos-3 );
drawOneLine( scr_max, scr_pos, scr_max, scr_pos-3 );
drawOneLine( mid_scr, scr_pos, mid_scr, scr_pos-6 );
} else if( orientation == BOTTOM )
{
drawOneLine( scr_min, scr_pos, scr_min, scr_pos+3 );
drawOneLine( scr_max, scr_pos, scr_max, scr_pos+3 );
drawOneLine( mid_scr, scr_pos, mid_scr, scr_pos+6 );
}
factor = (scr_max-scr_min)/total_amount;
for( i=vmin; i<=vmax; i+=1 )
{
if( sub_type == LIMIT )
condition = i>= min_value;
else if( sub_type == NOLIMIT )
condition = 1;
if( condition )
{
marker_x = scr_min+(i-vmin)*factor;
if( i%min_div==0 )
if( orientation == TOP )
{
drawOneLine( marker_x, marker_y, marker_x, marker_y+3 );
}
else if( orientation == BOTTOM )
{
drawOneLine( marker_x, marker_y+3, marker_x, marker_y+6 );
}
if( i%max_div==0 )
{
sprintf( TextScale, "%d", i );
if( orientation == TOP )
{
drawOneLine( marker_x, marker_y, marker_x, marker_y+6 );
textString( marker_x-4*strlen(TextScale), marker_y+14, TextScale, GLUT_BITMAP_8_BY_13 );
}
else if( orientation == BOTTOM )
{
drawOneLine( marker_x, marker_y, marker_x, marker_y+6 );
textString( marker_x+10, marker_y-4, TextScale, GLUT_BITMAP_8_BY_13 );
}
}
}
}
}
}
/*
Draws a climb ladder in the center of the HUD
Needs: HUD_ladder struct
*/
static void drawladder( struct HUD_ladder ladder )
{
double vmin, vmax;
double roll_value, pitch_value;
/* double cos_roll, sin_roll; */
int marker_x, marker_y;
int mid_scr;
int scr_min, scr_max;
int x_ini, x_end;
int y_ini, y_end;
int new_x_ini, new_x_end;
int new_y_ini, new_y_end;
register i;
double factor;
char TextLadder[80];
int condition;
roll_value = (*ladder.load_roll)();
pitch_value = (*ladder.load_pitch)()*RAD_TO_DEG;
vmin = pitch_value-ladder.width_units/2;
vmax = pitch_value+ladder.width_units/2;
scr_min = ladder.y_pos-(ladder.scr_height/2);
scr_max = scr_min+ladder.scr_height;
mid_scr = scr_min+(scr_max-scr_min)/2;
marker_x = ladder.x_pos-ladder.scr_width/2;
factor = (scr_max-scr_min)/ladder.width_units;
for( i=vmin; i<=vmax; i+=1 )
{
condition = 1;
if( condition )
{
marker_y = scr_min+(i-vmin)*factor;
if( i%ladder.div_units==0 )
{
sprintf( TextLadder, "%d", i );
if( ladder.scr_hole == 0 )
{
if( i != 0 )
x_ini = ladder.x_pos-ladder.scr_width/2;
else
x_ini = ladder.x_pos-ladder.scr_width/2-10;
y_ini = marker_y;
x_end = ladder.x_pos+ladder.scr_width/2;
y_end = marker_y;
new_x_ini = ladder.x_pos+(x_ini-ladder.x_pos)*cos(roll_value)-\
(y_ini-ladder.y_pos)*sin(roll_value);
new_y_ini = ladder.y_pos+(x_ini-ladder.x_pos)*sin(roll_value)+\
(y_ini-ladder.y_pos)*cos(roll_value);
new_x_end = ladder.x_pos+(x_end-ladder.x_pos)*cos(roll_value)-\
(y_end-ladder.y_pos)*sin(roll_value);
new_y_end = ladder.y_pos+(x_end-ladder.x_pos)*sin(roll_value)+\
(y_end-ladder.y_pos)*cos(roll_value);
if( i >= 0 )
{
drawOneLine( new_x_ini, new_y_ini, new_x_end, new_y_end );
}
else
{
glEnable(GL_LINE_STIPPLE);
glLineStipple( 1, 0x00FF );
drawOneLine( new_x_ini, new_y_ini, new_x_end, new_y_end );
glDisable(GL_LINE_STIPPLE);
}
textString( new_x_ini-8*strlen(TextLadder)-8, new_y_ini-4, TextLadder, GLUT_BITMAP_8_BY_13 );
textString( new_x_end+10, new_y_end-4, TextLadder, GLUT_BITMAP_8_BY_13 );
}
else
{
if( i != 0 )
x_ini = ladder.x_pos-ladder.scr_width/2;
else
x_ini = ladder.x_pos-ladder.scr_width/2-10;
y_ini = marker_y;
x_end = ladder.x_pos-ladder.scr_width/2+ladder.scr_hole/2;
y_end = marker_y;
new_x_ini = ladder.x_pos+(x_ini-ladder.x_pos)*cos(roll_value)-\
(y_ini-ladder.y_pos)*sin(roll_value);
new_y_ini = ladder.y_pos+(x_ini-ladder.x_pos)*sin(roll_value)+\
(y_ini-ladder.y_pos)*cos(roll_value);
new_x_end = ladder.x_pos+(x_end-ladder.x_pos)*cos(roll_value)-\
(y_end-ladder.y_pos)*sin(roll_value);
new_y_end = ladder.y_pos+(x_end-ladder.x_pos)*sin(roll_value)+\
(y_end-ladder.y_pos)*cos(roll_value);
if( i >= 0 )
{
drawOneLine( new_x_ini, new_y_ini, new_x_end, new_y_end );
}
else
{
glEnable(GL_LINE_STIPPLE);
glLineStipple( 1, 0x00FF );
drawOneLine( new_x_ini, new_y_ini, new_x_end, new_y_end );
glDisable(GL_LINE_STIPPLE);
}
textString( new_x_ini-8*strlen(TextLadder)-8, new_y_ini-4, TextLadder, GLUT_BITMAP_8_BY_13 );
x_ini = ladder.x_pos+ladder.scr_width/2-ladder.scr_hole/2;
y_ini = marker_y;
if( i != 0 )
x_end = ladder.x_pos+ladder.scr_width/2;
else
x_end = ladder.x_pos+ladder.scr_width/2+10;
y_end = marker_y;
new_x_ini = ladder.x_pos+(x_ini-ladder.x_pos)*cos(roll_value)-\
(y_ini-ladder.y_pos)*sin(roll_value);
new_y_ini = ladder.y_pos+(x_ini-ladder.x_pos)*sin(roll_value)+\
(y_ini-ladder.y_pos)*cos(roll_value);
new_x_end = ladder.x_pos+(x_end-ladder.x_pos)*cos(roll_value)-\
(y_end-ladder.y_pos)*sin(roll_value);
new_y_end = ladder.y_pos+(x_end-ladder.x_pos)*sin(roll_value)+\
(y_end-ladder.y_pos)*cos(roll_value);
if( i >= 0 )
{
drawOneLine( new_x_ini, new_y_ini, new_x_end, new_y_end );
}
else
{
glEnable(GL_LINE_STIPPLE);
glLineStipple( 1, 0x00FF );
drawOneLine( new_x_ini, new_y_ini, new_x_end, new_y_end );
glDisable(GL_LINE_STIPPLE);
}
textString( new_x_end+10, new_y_end-4, TextLadder, GLUT_BITMAP_8_BY_13 );
}
}
/* if( i%max_div==0 )
{
drawOneLine( marker_x, marker_y, marker_x+6, marker_y );
sprintf( TextScale, "%d", i );
if( orientation == LEFT )
{
textString( marker_x-8*strlen(TextScale)-2, marker_y-4, TextScale, GLUT_BITMAP_8_BY_13 );
}
else if( orientation == RIGHT )
{
textString( marker_x+10, marker_y-4, TextScale, GLUT_BITMAP_8_BY_13 );
}
} */
}
}
}
/*
Draws an artificial horizon line in the center of the HUD
(with or without a center hole)
Needs: x_center, y_center, length, hole
*/
static void drawhorizon( struct HUD_horizon horizon )
{
int x_inc1, y_inc1;
int x_inc2, y_inc2;
/* struct fgFLIGHT *f; */
double sin_bank, cos_bank;
double bank_angle;
/* f = &current_aircraft.flight; */
bank_angle = (*horizon.load_value)();
// sin_bank = sin( FG_2PI-FG_Phi );
// cos_bank = cos( FG_2PI-FG_Phi );
sin_bank = sin(FG_2PI-bank_angle);
cos_bank = cos(FG_2PI-bank_angle);
x_inc1 = (int)(horizon.scr_width*cos_bank);
y_inc1 = (int)(horizon.scr_width*sin_bank);
x_inc2 = (int)(horizon.scr_hole*cos_bank);
y_inc2 = (int)(horizon.scr_hole*sin_bank);
if( horizon.scr_hole == 0 )
{
drawOneLine( horizon.x_pos-x_inc1, horizon.y_pos-y_inc1, \
horizon.x_pos+x_inc1, horizon.y_pos+y_inc1 );
}
else
{
drawOneLine( horizon.x_pos-x_inc1, horizon.y_pos-y_inc1, \
horizon.x_pos-x_inc2, horizon.y_pos-y_inc2 );
drawOneLine( horizon.x_pos+x_inc2, horizon.y_pos+y_inc2, \
horizon.x_pos+x_inc1, horizon.y_pos+y_inc1 );
}
}
/*
Draws a label anywhere in the HUD
Needs: HUD_label struct
*/
static void drawlabel( struct HUD_label label )
{
char buffer[80];
char string[80];
int posincr;
int lenstr;
if( label.pre_str != NULL && label.post_str != NULL )
sprintf( buffer, "%s%s%s", label.pre_str, label.format, label.post_str );
else if( label.pre_str == NULL && label.post_str != NULL )
sprintf( buffer, "%s%s", label.format, label.post_str );
else if( label.pre_str != NULL && label.post_str == NULL )
sprintf( buffer, "%s%s", label.pre_str, label.format );
sprintf( string, buffer, (*label.load_value)() );
#ifdef DEBUG
fgPrintf( FG_COCKPIT, FG_DEBUG, buffer );
fgPrintf( FG_COCKPIT, FG_DEBUG, "\n" );
fgPrintf( FG_COCKPIT, FG_DEBUG, string );
fgPrintf( FG_COCKPIT, FG_DEBUG, "\n" );
#endif
lenstr = strlen( string );
if( label.justify == LEFT_JUST )
posincr = -lenstr*8;
else if( label.justify == CENTER_JUST )
posincr = -lenstr*4;
else if( label.justify == RIGHT_JUST )
posincr = 0;
if( label.size == SMALL )
textString( label.x_pos+posincr, label.y_pos, string, GLUT_BITMAP_8_BY_13);
else if( label.size == LARGE )
textString( label.x_pos+posincr, label.y_pos, string, GLUT_BITMAP_9_BY_15);
}
double get_speed( void )
{
struct fgFLIGHT *f;
f = &current_aircraft.flight;
return( FG_V_equiv_kts );
}
double get_aoa( void )
{
struct fgFLIGHT *f;
f = &current_aircraft.flight;
return( FG_Gamma_vert_rad*RAD_TO_DEG );
}
double get_roll( void )
{
struct fgFLIGHT *f;
f = &current_aircraft.flight;
return( FG_Phi );
}
double get_pitch( void )
{
struct fgFLIGHT *f;
f = &current_aircraft.flight;
return( FG_Theta );
}
double get_heading( void )
{
struct fgFLIGHT *f;
f = &current_aircraft.flight;
return( FG_Psi*RAD_TO_DEG );
}
double get_altitude( void )
{
struct 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 */ );
}
void add_instrument( Hptr hud, HIptr instrument )
{
HIptr instruments;
instruments = hud->instruments;
// while( ++instruments
}
Hptr fgHUDInit( struct fgAIRCRAFT current_aircraft, int color )
{
Hptr hud;
hud = (Hptr)calloc(sizeof(struct HUD),1);
if( hud == NULL )
return( NULL );
hud->code = 123;
hud->status = 0;
// For now lets just hardcode a hud here .
// In the future, hud information has to come from the same place
// aircraft information came
fgHUDAddHorizon( hud, 590, 50, 40, 20, get_roll );
fgHUDAddScale( hud, VERTICAL, 220, 100, 280, 5, 10, LEFT, LEFT, 0, 100, get_speed );
fgHUDAddScale( hud, VERTICAL, 440, 100, 280, 1, 5, RIGHT, RIGHT, -400, 25, get_aoa );
fgHUDAddScale( hud, HORIZONTAL, 280, 220, 440, 5, 10, TOP, TOP, 0, 50, get_heading );
fgHUDAddLabel( hud, 180, 85, SMALL, NOBLINK, RIGHT_JUST, NULL, " Kts", "%5.0f", get_speed );
fgHUDAddLabel( hud, 180, 73, SMALL, NOBLINK, RIGHT_JUST, NULL, " m", "%5.0f", get_altitude );
fgHUDAddLadder( hud, 330, 190, 90, 180, 70, 10, NONE, 45, get_roll, get_pitch );
return( hud );
}
Hptr fgHUDAddHorizon( Hptr hud, int x_pos, int y_pos, int length, \
int hole_len, double (*load_value)() )
{
struct HUD_horizon *horizon;
struct HUD_instr *instrument;
HIptr tmp_first, tmp_next;
tmp_first = hud->instruments;
if( tmp_first != NULL )
tmp_next = tmp_first->next;
else
tmp_next = NULL;
instrument = (HIptr)calloc(sizeof(struct HUD_instr),1);
if( instrument == NULL )
return( NULL );
horizon = (struct HUD_horizon *)calloc(sizeof(struct HUD_horizon),1);
if( horizon == NULL )
return( NULL );
instrument->type = ARTIFICIAL_HORIZON;
instrument->instr.horizon = *horizon;
instrument->instr.horizon.x_pos = x_pos;
instrument->instr.horizon.y_pos = y_pos;
instrument->instr.horizon.scr_width = length;
instrument->instr.horizon.scr_hole = hole_len;
instrument->instr.horizon.load_value = load_value;
instrument->next = tmp_first;
hud->instruments = instrument;
return( hud );
}
Hptr fgHUDAddScale( Hptr hud, int type, int scr_pos, int scr_min, int scr_max, int div_min, int div_max, \
int orientation, int with_min, int min_value, int width_units, double (*load_value)() )
{
struct HUD_scale *scale;
struct HUD_instr *instrument;
HIptr tmp_first, tmp_next;
tmp_first = hud->instruments;
if( tmp_first != NULL )
tmp_next = tmp_first->next;
else
tmp_next = NULL;
instrument = (HIptr)calloc(sizeof(struct HUD_instr),1);
if( instrument == NULL )
return( NULL );
scale = (struct HUD_scale *)calloc(sizeof(struct HUD_scale),1);
if( scale == NULL )
return( NULL );
instrument->type = SCALE;
instrument->instr.scale = *scale;
instrument->instr.scale.type = type;
instrument->instr.scale.scr_pos = scr_pos;
instrument->instr.scale.scr_min = scr_min;
instrument->instr.scale.scr_max = scr_max;
instrument->instr.scale.div_min = div_min;
instrument->instr.scale.div_max = div_max;
instrument->instr.scale.orientation = orientation;
instrument->instr.scale.with_minimum = with_min;
instrument->instr.scale.minimum_value = min_value;
instrument->instr.scale.width_units = width_units;
instrument->instr.scale.load_value = load_value;
instrument->next = tmp_first;
hud->instruments = instrument;
return( hud );
}
Hptr fgHUDAddLabel( Hptr hud, int x_pos, int y_pos, int size, int blink, int justify, \
char *pre_str, char *post_str, char *format, double (*load_value)() )
{
struct HUD_label *label;
struct HUD_instr *instrument;
HIptr tmp_first, tmp_next;
tmp_first = hud->instruments;
if( tmp_first != NULL )
tmp_next = tmp_first->next;
else
tmp_next = NULL;
instrument = (HIptr)calloc(sizeof(struct HUD_instr),1);
if( instrument == NULL )
return( NULL );
label = (struct HUD_label *)calloc(sizeof(struct HUD_label),1);
if( label == NULL )
return( NULL );
instrument->type = LABEL;
instrument->instr.label = *label;
instrument->instr.label.x_pos = x_pos;
instrument->instr.label.y_pos = y_pos;
instrument->instr.label.size = size;
instrument->instr.label.blink = blink;
instrument->instr.label.justify = justify;
instrument->instr.label.pre_str = pre_str;
instrument->instr.label.post_str = post_str;
instrument->instr.label.format = format;
instrument->instr.label.load_value = load_value;
instrument->next = tmp_first;
hud->instruments = instrument;
return( hud );
}
Hptr fgHUDAddLadder( Hptr hud, int x_pos, int y_pos, int scr_width, int scr_height, \
int hole_len, int div_units, int label_pos, int width_units, \
double (*load_roll)(), double (*load_pitch)() )
{
struct HUD_ladder *ladder;
struct HUD_instr *instrument;
HIptr tmp_first, tmp_next;
tmp_first = hud->instruments;
if( tmp_first != NULL )
tmp_next = tmp_first->next;
else
tmp_next = NULL;
instrument = (HIptr)calloc(sizeof(struct HUD_instr),1);
if( instrument == NULL )
return( NULL );
ladder = (struct HUD_ladder *)calloc(sizeof(struct HUD_ladder),1);
if( ladder == NULL )
return( NULL );
instrument->type = LADDER;
instrument->instr.ladder = *ladder;
instrument->instr.ladder.type = 0; // Not used.
instrument->instr.ladder.x_pos = x_pos;
instrument->instr.ladder.y_pos = y_pos;
instrument->instr.ladder.scr_width = scr_width;
instrument->instr.ladder.scr_height = scr_height;
instrument->instr.ladder.scr_hole = hole_len;
instrument->instr.ladder.div_units = div_units;
instrument->instr.ladder.label_position = label_pos;
instrument->instr.ladder.width_units = width_units;
instrument->instr.ladder.load_roll = load_roll;
instrument->instr.ladder.load_pitch = load_pitch;
instrument->next = tmp_first;
hud->instruments = instrument;
return( hud );
}
/*
Hptr fgHUDAddMovingHorizon( Hptr hud, int x_pos, int y_pos, int length, int hole_len, \
int color )
{
}
Hptr fgHUDAddCircularLadder( Hptr hud, int scr_min, int scr_max, int div_min, int div_max, \
int max_value )
{
}
Hptr fgHUDAddNumDisp( Hptr hud, int x_pos, int y_pos, int size, int color, int blink, \
char *pre_str, char *post_str )
{
}
*/
void fgUpdateHUD( Hptr hud )
{
HIptr hud_instr;
union HUD_instr_data instr_data;
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);
glColor3f (0.1, 0.9, 0.1);
#ifdef DEBUG
fgPrintf( FG_COCKPIT, FG_DEBUG, "HUD Code %d Status %d\n",
hud->code, hud->status );
#endif
hud_instr = hud->instruments;
while( hud_instr != NULL )
{
instr_data = hud_instr->instr;
#ifdef DEBUG
fgPrintf( FG_COCKPIT, FG_DEBUG,
"Instr Type %d SubType %d Orient %d\n",
hud_instr->type, hud_instr->sub_type, hud_instr->orientation );
#endif
if( hud_instr->type == ARTIFICIAL_HORIZON )
{
drawhorizon( instr_data.horizon );
/* drawhorizon( instr_data.horizon.x_pos, instr_data.horizon.y_pos, \
instr_data.horizon.scr_width, instr_data.horizon.scr_hole ); */
}
else if( hud_instr->type == SCALE )
{
drawscale( instr_data.scale.type, instr_data.scale.with_minimum, \
instr_data.scale.minimum_value, instr_data.scale.orientation, \
instr_data.scale.scr_pos, instr_data.scale.scr_min, \
instr_data.scale.scr_max, instr_data.scale.width_units, \
instr_data.scale.div_min, instr_data.scale.div_max, \
(*instr_data.scale.load_value)() );
}
else if( hud_instr->type == LABEL )
{
drawlabel( instr_data.label );
/* drawlabel( instr_data.label.x_pos, instr_data.label.y_pos, instr_data.label.size, \
instr_data.label.blink, instr_data.label.pre_str, instr_data.label.post_str, \
instr_data.label.format, (*instr_data.label.load_value)() ); */
}
else if( hud_instr->type == LADDER )
{
drawladder( instr_data.ladder );
}
hud_instr = hud_instr->next;
}
glEnable(GL_DEPTH_TEST);
glEnable(GL_LIGHTING);
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
}
/* $Log$
/* 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.
*
*/
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