#include "hud.h"
-#include <Aircraft/aircraft.h>
#include <Include/fg_constants.h>
+#include <Aircraft/aircraft.h>
#include <Main/fg_debug.h>
#include <Math/fg_random.h>
#include <Math/mat3.h>
#include <Math/polar.h>
#include <Scenery/scenery.h>
+// #include <Scenery/mesh.h> /* not used any more :-) */
#include <Time/fg_timer.h>
#include <Weather/weather.h>
#define drawOneLine(x1,y1,x2,y2) glBegin(GL_LINES); \
glVertex2f ((x1),(y1)); glVertex2f ((x2),(y2)); glEnd();
-/* textString - Bitmap font string */
+
+// 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_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 */ );
+}
+
+//
+// The following code deals with painting the "instrument" on the display
+//
+ /* textString - Bitmap font string */
static void textString(int x, int y, char *msg, void *font)
{
}
/* 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(); */
-/* } */
+/*
+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 )
+static void drawscale( HUD_scale * pscale )
{
- 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
+ double vmin, vmax;
+ int marker_x;
+ int marker_y;
+ int mid_scr;
+ register i;
+ double factor;
+ char TextScale[80];
+ int condition;
+ double cur_value = (*(pscale->load_value))();
+
+ vmin = cur_value - pscale->maximum_value / 2;
+ vmax = cur_value + pscale->maximum_value / 2;
+
+ mid_scr = pscale->scr_min+(pscale->scr_max-pscale->scr_min)/2;
+
+ if( pscale->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 )
+ if( pscale->orientation == LEFT )
+ marker_x = pscale->scr_pos-6;
+ else
+ if( pscale->orientation == RIGHT )
+ marker_x = pscale->scr_pos;
+ drawOneLine( pscale->scr_pos,
+ pscale->scr_min,
+ pscale->scr_pos,
+ pscale->scr_max );
+ if( pscale->orientation == LEFT )
+ {
+ drawOneLine( pscale->scr_pos-3,
+ pscale->scr_min,
+ pscale->scr_pos,
+ pscale->scr_min );
+
+ drawOneLine( pscale->scr_pos-3,
+ pscale->scr_max,
+ pscale->scr_pos,
+ pscale->scr_max );
+
+ drawOneLine( pscale->scr_pos,
+ mid_scr,
+ pscale->scr_pos+6,
+ mid_scr );
+
+ }
+ else
+ if( pscale->orientation == RIGHT )
{
- 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 );
+ drawOneLine( pscale->scr_pos,
+ pscale->scr_min,
+ pscale->scr_pos+3,
+ pscale->scr_min );
+
+ drawOneLine( pscale->scr_pos,
+ pscale->scr_max,
+ pscale->scr_pos+3,
+ pscale->scr_max );
+
+ drawOneLine( pscale->scr_pos,
+ mid_scr,
+ pscale->scr_pos-6,
+ mid_scr );
}
- factor = (scr_max-scr_min)/total_amount;
+ factor = (pscale->scr_max - pscale->scr_min)/pscale->maximum_value;
- for( i=vmin; i<=vmax; i+=1 )
+ for( i=vmin; i<=vmax; i+=1 )
+ {
+ if( pscale->sub_type == LIMIT )
+ condition = i>= pscale->minimum_value;
+ else
+ if( pscale->sub_type == NOLIMIT )
+ condition = 1;
+
+ if( condition )
{
- if( sub_type == LIMIT )
- condition = i>= min_value;
- else if( sub_type == NOLIMIT )
- condition = 1;
-
- if( condition )
+ marker_y = pscale->scr_min+(i-vmin)*factor;
+ if( i%pscale->div_min==0 )
+ if( pscale->orientation == LEFT )
{
- 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+3, marker_y, marker_x+6, marker_y );
+ }
+ else
+ if( pscale->orientation == RIGHT )
+ {
+ drawOneLine( marker_x, marker_y, marker_x+3, marker_y );
+ }
+ if( i%pscale->div_max==0 )
+ {
+ drawOneLine( marker_x, marker_y, marker_x+6, marker_y );
+ sprintf( TextScale, "%d", i );
+ if( pscale->orientation == LEFT )
{
- 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 );
- }
+ textString( marker_x-8*strlen(TextScale)-2, marker_y-4,
+ TextScale, GLUT_BITMAP_8_BY_13 );
}
- }
- }
+ else
+ if( pscale->orientation == RIGHT )
+ {
+ textString( marker_x+10, marker_y-4,
+ TextScale, GLUT_BITMAP_8_BY_13 );
+ }
+ }
+ }
+ } // End for range of i from vmin to vmax
}
- if( type == HORIZONTAL ) // Horizontal scale
+ if( pscale->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 )
+ if( pscale->orientation == TOP )
+ marker_y = pscale->scr_pos;
+ else
+ if( pscale->orientation == BOTTOM )
+ marker_y = pscale->scr_pos-6;
+ drawOneLine( pscale->scr_min,
+ pscale->scr_pos,
+ pscale->scr_max,
+ pscale->scr_pos );
+ if( pscale->orientation == TOP )
+ {
+ drawOneLine( pscale->scr_min,
+ pscale->scr_pos,
+ pscale->scr_min,
+ pscale->scr_pos-3 );
+
+ drawOneLine( pscale->scr_max,
+ pscale->scr_pos,
+ pscale->scr_max,
+ pscale->scr_pos-3 );
+
+ drawOneLine( mid_scr,
+ pscale->scr_pos,
+ mid_scr,
+ pscale->scr_pos-6 );
+
+ }
+ else
+ if( pscale->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 );
- } 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 );
+ drawOneLine( pscale->scr_min,
+ pscale->scr_pos,
+ pscale->scr_min,
+ pscale->scr_pos+3 );
+
+ drawOneLine( pscale->scr_max,
+ pscale->scr_pos,
+ pscale->scr_max,
+ pscale->scr_pos+3 );
+
+ drawOneLine( mid_scr,
+ pscale->scr_pos,
+ mid_scr,
+ pscale->scr_pos+6 );
}
- factor = (scr_max-scr_min)/total_amount;
+ factor = (pscale->scr_max - pscale->scr_min)/pscale->maximum_value;
- for( i=vmin; i<=vmax; i+=1 )
+ for( i=vmin; i<=vmax; i+=1 )
+ {
+ if( pscale->sub_type == LIMIT )
+ condition = i>= pscale->minimum_value;
+ else
+ if( pscale->sub_type == NOLIMIT )
+ condition = 1;
+
+ if( condition )
{
- if( sub_type == LIMIT )
- condition = i>= min_value;
- else if( sub_type == NOLIMIT )
- condition = 1;
-
- if( condition )
+ marker_x = pscale->scr_min+(i-vmin)*factor;
+ if( i%pscale->div_min==0 )
+ if( pscale->orientation == TOP )
+ {
+ drawOneLine( marker_x, marker_y, marker_x, marker_y+3 );
+ }
+ else
+ if( pscale->orientation == BOTTOM )
+ {
+ drawOneLine( marker_x, marker_y+3, marker_x, marker_y+6 );
+ }
+ if( i%pscale->div_max==0 )
{
- 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( pscale->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( pscale->orientation == BOTTOM )
{
- 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 );
- }
+ 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 )
+
+static void drawladder( 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;
+ double vmin, vmax;
+ double roll_value, pitch_value;
+ int marker_x, marker_y;
+#ifdef DEBUGHUD
+ int mid_scr;
+#endif
+ 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;
- mid_scr = scr_min+(scr_max-scr_min)/2;
+ scr_min = ladder->y_pos - (ladder->scr_height/2);
+ scr_max = scr_min + ladder->scr_height;
- marker_x = ladder.x_pos-ladder.scr_width/2;
-
- factor = (scr_max-scr_min)/ladder.width_units;
+#ifdef DEBUGHUD
+ mid_scr = scr_min + (scr_max-scr_min)/2;
+#endif
- for( i=vmin; i<=vmax; i+=1 )
+ 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 )
+ condition = 1;
+ if( condition )
+ {
+ marker_y = scr_min+(i-vmin)*factor;
+ if( i%ladder->div_units==0 )
{
- marker_y = scr_min+(i-vmin)*factor;
- if( i%ladder.div_units==0 )
+ sprintf( TextLadder, "%d", i );
+ if( ladder->scr_hole == 0 )
+ {
+ if( i )
+ 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 )
{
- 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 );
- }
+ 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);
}
- /* if( i%max_div==0 )
+ 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%pscale->div_max==0 )
{
drawOneLine( marker_x, marker_y, marker_x+6, marker_y );
sprintf( TextScale, "%d", i );
- if( orientation == LEFT )
+ if( pscale->orientation == LEFT )
{
- textString( marker_x-8*strlen(TextScale)-2, marker_y-4, TextScale, GLUT_BITMAP_8_BY_13 );
+ textString( marker_x-8*strlen(TextScale)-2, marker_y-4,
+ TextScale, GLUT_BITMAP_8_BY_13 );
}
- else if( orientation == RIGHT )
+ else if( pscale->orientation == RIGHT )
{
- textString( marker_x+10, marker_y-4, TextScale, GLUT_BITMAP_8_BY_13 );
+ 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
+//
- 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 )
+static void drawhorizon( 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 = ¤t_aircraft.flight; */
-
- bank_angle = (*horizon.load_value)();
+ int x_inc1, y_inc1;
+ int x_inc2, y_inc2;
+// struct fgFLIGHT *f = ¤t_aircraft.flight;
+ double sin_bank, cos_bank;
+ double bank_angle;
+
+ 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 );
- }
+ 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 representation of the control surfaces in their current state
Needs: struct HUD_control_surfaces
*/
-static void drawcontrolsurfaces( struct HUD_control_surfaces ctrl_surf )
+static void drawControlSurfaces( HUD_control_surfaces *ctrl_surf )
{
int x_ini, y_ini;
int x_end, y_end;
/* int x_1, y_1; */
/* int x_2, y_2; */
- struct fgCONTROLS *c;
-
- x_ini = ctrl_surf.x_pos;
- y_ini = ctrl_surf.y_pos;
- x_end = x_ini+150;
- y_end = y_ini+60;
-
+ fgCONTROLS *c;
+
+ x_ini = ctrl_surf->x_pos;
+ y_ini = ctrl_surf->y_pos;
+ x_end = x_ini + 150;
+ y_end = y_ini + 60;
+
drawOneLine( x_ini, y_ini, x_end, y_ini );
drawOneLine( x_ini, y_ini, x_ini, y_end );
drawOneLine( x_ini, y_end, x_end, y_end );
drawOneLine( x_end, y_end, x_end, y_ini );
- drawOneLine( x_ini+30, y_ini, x_ini+30, y_end );
- drawOneLine( x_ini+30, y_ini+30, x_ini+90, y_ini+30 );
- drawOneLine( x_ini+90, y_ini, x_ini+90, y_end );
- drawOneLine( x_ini+120, y_ini, x_ini+120, y_end );
-
- c = ¤t_aircraft.controls;
-
+ drawOneLine( x_ini + 30, y_ini, x_ini + 30, y_end );
+ drawOneLine( x_ini + 30, y_ini + 30, x_ini + 90, y_ini + 30 );
+ drawOneLine( x_ini + 90, y_ini, x_ini + 90, y_end );
+ drawOneLine( x_ini + 120, y_ini, x_ini + 120, y_end );
+
+ c = current_aircraft.controls;
+
/* Draw elevator diagram */
- textString( x_ini+1, y_end-11, "E", GLUT_BITMAP_8_BY_13 );
- drawOneLine( x_ini+15, y_ini+5, x_ini+15, y_ini+55 );
- drawOneLine( x_ini+14, y_ini+30, x_ini+16, y_ini+30 );
+ textString( x_ini + 1, y_end-11, "E", GLUT_BITMAP_8_BY_13 );
+ drawOneLine( x_ini + 15, y_ini + 5, x_ini + 15, y_ini + 55 );
+ drawOneLine( x_ini + 14, y_ini + 30, x_ini + 16, y_ini + 30 );
if( FG_Elevator <= -0.01 || FG_Elevator >= 0.01 )
{
- drawOneLine( x_ini+10, y_ini+5+(int)(((FG_Elevator+1.0)/2)*50.0), \
- x_ini+20, y_ini+5+(int)(((FG_Elevator+1.0)/2)*50.0) );
+ drawOneLine( x_ini + 10, y_ini + 5 + (int)(((FG_Elevator + 1.0)/2)*50.0), \
+ x_ini + 20, y_ini + 5 + (int)(((FG_Elevator + 1.0)/2)*50.0) );
}
else
{
- drawOneLine( x_ini+7, y_ini+5+(int)(((FG_Elevator+1.0)/2)*50.0), \
- x_ini+23, y_ini+5+(int)(((FG_Elevator+1.0)/2)*50.0) );
+ drawOneLine( x_ini + 7, y_ini + 5 + (int)(((FG_Elevator + 1.0)/2)*50.0), \
+ x_ini + 23, y_ini + 5 + (int)(((FG_Elevator + 1.0)/2)*50.0) );
}
-
+
/* Draw aileron diagram */
- textString( x_ini+30+1, y_end-11, "A", GLUT_BITMAP_8_BY_13 );
- drawOneLine( x_ini+35, y_end-15, x_ini+85, y_end-15 );
- drawOneLine( x_ini+60, y_end-14, x_ini+60, y_end-16 );
+ textString( x_ini + 30 + 1, y_end-11, "A", GLUT_BITMAP_8_BY_13 );
+ drawOneLine( x_ini + 35, y_end-15, x_ini + 85, y_end-15 );
+ drawOneLine( x_ini + 60, y_end-14, x_ini + 60, y_end-16 );
if( FG_Aileron <= -0.01 || FG_Aileron >= 0.01 )
{
- drawOneLine( x_ini+35+(int)(((FG_Aileron+1.0)/2)*50.0), y_end-20, \
- x_ini+35+(int)(((FG_Aileron+1.0)/2)*50.0), y_end-10 );
+ drawOneLine( x_ini + 35 + (int)(((FG_Aileron + 1.0)/2)*50.0), y_end-20, \
+ x_ini + 35 + (int)(((FG_Aileron + 1.0)/2)*50.0), y_end-10 );
}
else
{
- drawOneLine( x_ini+35+(int)(((FG_Aileron+1.0)/2)*50.0), y_end-25, \
- x_ini+35+(int)(((FG_Aileron+1.0)/2)*50.0), y_end-5 );
+ drawOneLine( x_ini + 35 + (int)(((FG_Aileron + 1.0)/2)*50.0), y_end-25, \
+ x_ini + 35 + (int)(((FG_Aileron + 1.0)/2)*50.0), y_end-5 );
}
-
+
/* Draw rudder diagram */
- textString( x_ini+30+1, y_ini+21, "R", GLUT_BITMAP_8_BY_13 );
- drawOneLine( x_ini+35, y_ini+15, x_ini+85, y_ini+15 );
- drawOneLine( x_ini+60, y_ini+14, x_ini+60, y_ini+16 );
+ textString( x_ini + 30 + 1, y_ini + 21, "R", GLUT_BITMAP_8_BY_13 );
+ drawOneLine( x_ini + 35, y_ini + 15, x_ini + 85, y_ini + 15 );
+ drawOneLine( x_ini + 60, y_ini + 14, x_ini + 60, y_ini + 16 );
if( FG_Rudder <= -0.01 || FG_Rudder >= 0.01 )
{
- drawOneLine( x_ini+35+(int)(((FG_Rudder+1.0)/2)*50.0), y_ini+20, \
- x_ini+35+(int)(((FG_Rudder+1.0)/2)*50.0), y_ini+10 );
+ drawOneLine( x_ini + 35 + (int)(((FG_Rudder + 1.0)/2)*50.0), y_ini + 20, \
+ x_ini + 35 + (int)(((FG_Rudder + 1.0)/2)*50.0), y_ini + 10 );
}
else
{
- drawOneLine( x_ini+35+(int)(((FG_Rudder+1.0)/2)*50.0), y_ini+25, \
- x_ini+35+(int)(((FG_Rudder+1.0)/2)*50.0), y_ini+5 );
+ drawOneLine( x_ini + 35 + (int)(((FG_Rudder + 1.0)/2)*50.0), y_ini + 25, \
+ x_ini + 35 + (int)(((FG_Rudder + 1.0)/2)*50.0), y_ini + 5 );
}
/* Draw throttle diagram */
- textString( x_ini+90+1, y_end-11, "T", GLUT_BITMAP_8_BY_13 );
- textString( x_ini+90+1, y_end-21, "r", GLUT_BITMAP_8_BY_13 );
- drawOneLine( x_ini+105, y_ini+5, x_ini+105, y_ini+55 );
- drawOneLine( x_ini+100, y_ini+5+(int)(FG_Throttle[0]*50.0), \
- x_ini+110, y_ini+5+(int)(FG_Throttle[0]*50.0) );
+ textString( x_ini + 90 + 1, y_end-11, "T", GLUT_BITMAP_8_BY_13 );
+ textString( x_ini + 90 + 1, y_end-21, "r", GLUT_BITMAP_8_BY_13 );
+ drawOneLine( x_ini + 105, y_ini + 5, x_ini + 105, y_ini + 55 );
+ drawOneLine( x_ini + 100, y_ini + 5 + (int)(FG_Throttle[0]*50.0), \
+ x_ini + 110, y_ini + 5 + (int)(FG_Throttle[0]*50.0) );
/* Draw elevator trim diagram */
- textString( x_ini+121, y_end-11, "T", GLUT_BITMAP_8_BY_13 );
- textString( x_ini+121, y_end-22, "m", GLUT_BITMAP_8_BY_13 );
- drawOneLine( x_ini+135, y_ini+5, x_ini+135, y_ini+55 );
- drawOneLine( x_ini+134, y_ini+30, x_ini+136, y_ini+30 );
+ textString( x_ini + 121, y_end-11, "T", GLUT_BITMAP_8_BY_13 );
+ textString( x_ini + 121, y_end-22, "m", GLUT_BITMAP_8_BY_13 );
+ drawOneLine( x_ini + 135, y_ini + 5, x_ini + 135, y_ini + 55 );
+ drawOneLine( x_ini + 134, y_ini + 30, x_ini + 136, y_ini + 30 );
if( FG_Elev_Trim <= -0.01 || FG_Elev_Trim >= 0.01 )
{
- drawOneLine( x_ini+130, y_ini+5+(int)(((FG_Elev_Trim+1)/2)*50.0), \
- x_ini+140, y_ini+5+(int)(((FG_Elev_Trim+1.0)/2)*50.0) );
+ drawOneLine( x_ini + 130, y_ini + 5 + (int)(((FG_Elev_Trim + 1)/2)*50.0), \
+ x_ini + 140, y_ini + 5 + (int)(((FG_Elev_Trim + 1.0)/2)*50.0) );
}
else
{
- drawOneLine( x_ini+127, y_ini+5+(int)(((FG_Elev_Trim+1.0)/2)*50.0), \
- x_ini+143, y_ini+5+(int)(((FG_Elev_Trim+1.0)/2)*50.0) );
+ drawOneLine( x_ini + 127, y_ini + 5 + (int)(((FG_Elev_Trim + 1.0)/2)*50.0), \
+ x_ini + 143, y_ini + 5 + (int)(((FG_Elev_Trim + 1.0)/2)*50.0) );
}
}
-/*
-
- Draws a label anywhere in the HUD
-
- Needs: HUD_label struct
+//
+// Draws a label anywhere in the HUD
+//
+//
-*/
-static void drawlabel( struct HUD_label label )
+static void drawlabel( 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 );
+ char buffer[80];
+ char string[80];
+ int posincr;
+ int lenstr;
+
+ if( !label ) { // Eliminate the possible, but absurd case.
+ return;
+ }
+
+ if( label->pre_str != NULL) {
+ if( label->post_str != NULL ) {
+ sprintf( buffer, "%s%s%s", label->pre_str, \
+ label->format, \
+ label->post_str );
+ }
+ else {
+ sprintf( buffer, "%s%s", label->pre_str, \
+ label->format );
+ }
+ }
+ else {
+ if( label->post_str != NULL ) {
+ sprintf( buffer, "%s%s", label->format, \
+ label->post_str );
+ }
+ } // else do nothing if both pre and post strings are nulls. Interesting.
+
- sprintf( string, buffer, (*label.load_value)() );
+ sprintf( string, buffer, (*label->load_value)() );
fgPrintf( FG_COCKPIT, FG_DEBUG, buffer );
fgPrintf( FG_COCKPIT, FG_DEBUG, "\n" );
fgPrintf( FG_COCKPIT, FG_DEBUG, string );
fgPrintf( FG_COCKPIT, FG_DEBUG, "\n" );
- 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 = ¤t_aircraft.flight;
- return( FG_V_equiv_kts );
-}
+ 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;
+ }
+ }
+ }
-double get_aoa( void )
-{
- struct fgFLIGHT *f;
-
- f = ¤t_aircraft.flight;
- return( FG_Gamma_vert_rad*RAD_TO_DEG );
+ 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_roll( void )
+// The following routines concern HUD object/component object construction
+//
+
+// 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!
+//
+Hptr fgHUDInit( fgAIRCRAFT *current_aircraft )
{
- struct fgFLIGHT *f;
-
- f = ¤t_aircraft.flight;
- return( FG_Phi );
+ Hptr hud;
+
+ hud = (Hptr)calloc(sizeof( HUD),1);
+ if( hud == NULL )
+ return( NULL );
+
+ 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.
+
+ fgHUDAddHorizon( hud, 590, 50, 40, 20, get_roll );
+ fgHUDAddScale ( hud, VERTICAL, NOLIMIT, 220, 100, 280, 5, 10,
+ LEFT, LEFT, 0, 100, get_speed );
+ fgHUDAddScale ( hud, VERTICAL, NOLIMIT, 440, 100, 280, 1, 5,
+ RIGHT, RIGHT, -400, 25, get_aoa );
+ fgHUDAddScale ( hud, HORIZONTAL, NOLIMIT, 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 );
+ // fgHUDAddControlSurfaces( hud, 10, 10, get_heading );
+
+ return( hud );
}
-double get_pitch( void )
-{
- struct fgFLIGHT *f;
-
- f = ¤t_aircraft.flight;
- return( FG_Theta );
-}
+// add_instrument
+//
+// This is a stand in for linked list code that will get replaced later
+// by some more elegant list handling code.
-double get_heading( void )
+void add_instrument( Hptr hud, HIptr pinstrument )
{
- struct fgFLIGHT *f;
-
- f = ¤t_aircraft.flight;
- return( FG_Psi*RAD_TO_DEG );
+ if( !hud || !pinstrument ) {
+ return;
+ }
+ pinstrument->next = hud->instruments;
+ hud->instruments = pinstrument;
}
-double get_altitude( void )
+// fgHUDAddHorizon
+//
+// Constructs a HUD_horizon "object" and installs it into the hud instrument
+// list.
+
+Hptr fgHUDAddHorizon( Hptr hud, \
+ int x_pos, \
+ int y_pos, \
+ int length, \
+ int hole_len, \
+ double (*load_value)() )
{
- struct fgFLIGHT *f;
- /* double rough_elev; */
-
- f = ¤t_aircraft.flight;
- /* rough_elev = mesh_altitude(FG_Longitude * RAD_TO_ARCSEC,
- FG_Latitude * RAD_TO_ARCSEC); */
-
- return( FG_Altitude * FEET_TO_METER /* -rough_elev */ );
-}
+ HUD_horizon *phorizon;
+ HUD_instr *pinstrument;
-void add_instrument( Hptr hud, HIptr instrument )
-{
- HIptr instruments;
-
- instruments = hud->instruments;
- // while( ++instruments
-}
+ if( !hud ) {
+ return NULL;
+ }
+ // construct the parent object
+ pinstrument = (HIptr)calloc(sizeof(HUD_instr),1);
+ if( pinstrument == NULL ) {
+ return( NULL );
+ }
+ pinstrument->type = HUDhorizon; // ARTIFICIAL_HORIZON;
-Hptr fgHUDInit( struct fgAIRCRAFT current_aircraft, int color )
-{
- Hptr hud;
-
- hud = (Hptr)calloc(sizeof(struct HUD),1);
- if( hud == NULL )
+ // Construct the horizon
+ phorizon = (HUD_horizon *) calloc( sizeof(HUD_horizon),1);
+ if( phorizon == NULL ) {
return( NULL );
-
- hud->code = 1; /* It will be aircraft dependent */
- 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 );
- fgHUDAddControlSurfaces( hud, 10, 10, get_heading );
-
- return( hud );
+ }
+
+ phorizon->x_pos = x_pos;
+ phorizon->y_pos = y_pos;
+ phorizon->scr_width = length;
+ phorizon->scr_hole = hole_len;
+ phorizon->load_value = load_value;
+ // Install the horizon in the parent.
+ pinstrument->instr = phorizon;
+ // Install the instrument into hud.
+ add_instrument( hud, pinstrument);
+
+ return( hud );
}
-Hptr fgHUDAddHorizon( Hptr hud, int x_pos, int y_pos, int length, \
- int hole_len, double (*load_value)() )
+// fgHUDAddScale
+//
+// Constructs a HUD_scale "object" and installs it into the hud instrument
+// list.
+
+Hptr fgHUDAddScale( Hptr hud, \
+ int type, \
+ int sub_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_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_scale *pscale;
+ HUD_instr *pinstrument;
- hud->instruments = instrument;
+ if( !hud ) {
+ return NULL;
+ }
- return( hud );
-}
+ pinstrument = (HIptr)calloc(sizeof(HUD_instr),1);
+ if( pinstrument == NULL ) {
+ return( NULL );
+ }
-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;
+ pinstrument->type = SCALE;
- return( hud );
+ pscale = ( HUD_scale *)calloc(sizeof(HUD_scale),1);
+ if( pscale == NULL ) {
+ return( NULL );
+ }
+ pscale->type = type;
+ pscale->type = sub_type;
+ pscale->scr_pos = scr_pos;
+ pscale->scr_min = scr_min;
+ pscale->scr_max = scr_max;
+ pscale->div_min = div_min;
+ pscale->div_max = div_max;
+ pscale->orientation = orientation;
+ pscale->with_minimum = with_min;
+ pscale->minimum_value = min_value;
+ pscale->width_units = width_units;
+ pscale->load_value = load_value;
+ // Install the scale
+ pinstrument->instr = pscale;
+ // Install the instrument into hud.
+ add_instrument( hud, pinstrument);
+
+ 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)() )
+// fgHUDAddLabel
+//
+// Constructs a HUD_Label object and installs it into the hud instrument
+// list.
+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;
+ HUD_label *plabel;
+ HUD_instr *pinstrument;
- return( hud );
-}
+ if( !hud ) {
+ return NULL;
+ }
-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 );
+ pinstrument = (HIptr)calloc(sizeof(HUD_instr),1);
+ if( pinstrument == NULL ) {
+ return NULL;
+ }
+ pinstrument->type = LABEL;
+
+ plabel = (HUD_label *)calloc(sizeof(HUD_label),1);
+ if( plabel == 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;
+ plabel->x_pos = x_pos;
+ plabel->y_pos = y_pos;
+ plabel->size = size;
+ plabel->blink = blink;
+ plabel->justify = justify;
+ plabel->pre_str = pre_str;
+ plabel->post_str = post_str;
+ plabel->format = format;
+ plabel->load_value = load_value;
+ // Install the label
+ pinstrument->instr = plabel;
+ // Install the instrument into hud.
+ add_instrument( hud, pinstrument);
return( hud );
}
-Hptr fgHUDAddControlSurfaces( Hptr hud, int x_pos, int y_pos, double (*load_value)() )
+// fgHUDAddLadder
+//
+// Contains code that constructs a ladder "object" and installs it as
+// a hud instrument in the hud instrument list.
+//
+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_control_surfaces *ctrl_surf;
- 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 );
-
- ctrl_surf = (struct HUD_control_surfaces *)calloc(sizeof(struct HUD_control_surfaces),1);
- if( ctrl_surf == NULL )
+ HUD_ladder *pladder;
+ HUD_instr *pinstrument;
+
+ if( !hud ) {
+ return NULL;
+ }
+
+ pinstrument = (HIptr)calloc(sizeof(HUD_instr),1);
+ if( pinstrument == NULL )
return( NULL );
-
- instrument->type = CONTROL_SURFACES;
- instrument->instr.control_surfaces = *ctrl_surf;
- instrument->instr.control_surfaces.x_pos = x_pos;
- instrument->instr.control_surfaces.y_pos = y_pos;
- instrument->instr.horizon.load_value = load_value;
- instrument->next = tmp_first;
- hud->instruments = instrument;
+ pinstrument->type = LADDER;
- return( hud );
+ pladder = (HUD_ladder *)calloc(sizeof(HUD_ladder),1);
+ if( pladder == NULL )
+ return( NULL );
+
+ pladder->type = 0; // Not used.
+ pladder->x_pos = x_pos;
+ pladder->y_pos = y_pos;
+ pladder->scr_width = scr_width;
+ pladder->scr_height = scr_height;
+ pladder->scr_hole = hole_len;
+ pladder->div_units = div_units;
+ pladder->label_position = label_pos;
+ pladder->width_units = width_units;
+ pladder->load_roll = load_roll;
+ pladder->load_pitch = load_pitch;
+
+ pinstrument->instr = pladder;
+ // Install the instrument into hud.
+ add_instrument( hud, pinstrument);
+ return hud;
}
/*
-Hptr fgHUDAddMovingHorizon( Hptr hud, int x_pos, int y_pos, int length, int hole_len, \
- int color )
+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 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 )
+Hptr fgHUDAddNumDisp( Hptr hud, \
+ int x_pos, \
+ int y_pos, \
+ int size, \
+ int color, \
+ int blink, \
+ char *pre_str, \
+ char *post_str )
{
}
*/
+// 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( Hptr hud )
{
- HIptr hud_instr;
- union HUD_instr_data instr_data;
-
+ HIptr phud_instr;
+
glMatrixMode(GL_PROJECTION);
glPushMatrix();
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);
-
- fgPrintf( FG_COCKPIT, FG_DEBUG, "HUD Code %d Status %d\n",
- hud->code, hud->status );
- hud_instr = hud->instruments;
- while( hud_instr != NULL )
- {
- instr_data = hud_instr->instr;
- fgPrintf( FG_COCKPIT, FG_DEBUG,
- "Instr Type %d SubType %d Orient %d\n",
- hud_instr->type, hud_instr->sub_type, hud_instr->orientation );
- 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 == CONTROL_SURFACES )
- {
- drawcontrolsurfaces( instr_data.control_surfaces );
- }
- 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;
+
+ fgPrintf( FG_COCKPIT, FG_DEBUG,
+ "HUD Code %d Status %d\n",
+ hud->code, hud->status );
+
+ phud_instr = hud->instruments;
+ while( phud_instr ) {
+ switch (phud_instr->type){
+ case HUDhorizon: // ARTIFICIAL HORIZON
+ drawhorizon( (pHUDhorizon)phud_instr );
+ break;
+
+ case HUDscale: // Need to simplify this call.
+ drawscale ( (pHUDscale) phud_instr );
+ break;
+
+ case HUDlabel:
+ drawlabel ( (pHUDlabel) phud_instr );
+ break;
+
+ case HUDladder:
+ drawladder( (pHUDladder) phud_instr );
+ break;
+
+ case HUDcontrols:
+ drawControlSurfaces( (pHUDControlSurface) phud_instr );
+ default:; // Ignore anything you don't know about.
+ }
+ phud_instr = phud_instr->next;
}
-
-
+
glEnable(GL_DEPTH_TEST);
glEnable(GL_LIGHTING);
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
-
+
}
/* $Log$
-/* 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 1.11 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.
*
projects / flightgear.git / commitdiff