811 lines
24 KiB
C
811 lines
24 KiB
C
/**************************************************************************
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* hud.c -- hud defines and prototypes
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*
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* Written by Michele America, started September 1997.
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*
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* Copyright (C) 1997 Michele F. America - nomimarketing@mail.telepac.pt
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Id$
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* (Log is kept at end of this file)
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**************************************************************************/
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#include <GL/glut.h>
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#include <stdlib.h>
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#ifndef WIN32
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# include <values.h> /* for MAXINT */
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#endif /* not WIN32 */
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#include "hud.h"
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#include "../constants.h"
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#include "../Aircraft/aircraft.h"
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#include "../Scenery/mesh.h"
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#include "../Scenery/scenery.h"
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#include "../Math/mat3.h"
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#include "../Math/polar.h"
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#include "../Time/fg_timer.h"
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#include "../Math/fg_random.h"
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#include "../Weather/weather.h"
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// #define DEBUG
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#define drawOneLine(x1,y1,x2,y2) glBegin(GL_LINES); \
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glVertex2f ((x1),(y1)); glVertex2f ((x2),(y2)); glEnd();
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/* textString - Bitmap font string */
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static void textString(int x, int y, char *msg, void *font)
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{
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glRasterPos2f(x, y);
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while (*msg) {
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glutBitmapCharacter(font, *msg);
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msg++;
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}
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}
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/* strokeString - Stroke font string */
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static void strokeString(int x, int y, char *msg, void *font)
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{
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glPushMatrix();
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glTranslatef(x, y, 0);
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glScalef(.04, .04, .04);
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while (*msg) {
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glutStrokeCharacter(font, *msg);
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msg++;
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}
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glPopMatrix();
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}
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/*
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Draws a measuring scale anywhere on the HUD
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Needs: HUD_scale struct
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*/
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static void drawscale( int type, int sub_type, int min_value, int orientation, int scr_pos, \
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int scr_min, int scr_max, double total_amount, int min_div, int max_div, \
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double cur_value )
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{
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double vmin, vmax;
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int marker_x, marker_y;
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int mid_scr;
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// int scale_min, scale_max;
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register i;
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double factor;
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char TextScale[80];
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int condition;
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vmin = cur_value-total_amount/2;
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vmax = cur_value+total_amount/2;
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mid_scr = scr_min+(scr_max-scr_min)/2;
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if( type == VERTICAL ) // Vertical scale
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{
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if( orientation == LEFT )
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marker_x = scr_pos-6;
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else if( orientation == RIGHT )
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marker_x = scr_pos;
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drawOneLine( scr_pos, scr_min, scr_pos, scr_max );
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if( orientation == LEFT )
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{
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drawOneLine( scr_pos-3, scr_min, scr_pos, scr_min );
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drawOneLine( scr_pos-3, scr_max, scr_pos, scr_max );
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drawOneLine( scr_pos, mid_scr, scr_pos+6, mid_scr );
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} else if( orientation == RIGHT )
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{
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drawOneLine( scr_pos, scr_min, scr_pos+3, scr_min );
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drawOneLine( scr_pos, scr_max, scr_pos+3, scr_max );
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drawOneLine( scr_pos, mid_scr, scr_pos-6, mid_scr );
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}
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factor = (scr_max-scr_min)/total_amount;
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for( i=vmin; i<=vmax; i+=1 )
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{
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if( sub_type == LIMIT )
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condition = i>= min_value;
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else if( sub_type == NOLIMIT )
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condition = 1;
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if( condition )
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{
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marker_y = scr_min+(i-vmin)*factor;
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if( i%min_div==0 )
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if( orientation == LEFT )
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{
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drawOneLine( marker_x+3, marker_y, marker_x+6, marker_y );
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}
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else if( orientation == RIGHT )
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{
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drawOneLine( marker_x, marker_y, marker_x+3, marker_y );
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}
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if( i%max_div==0 )
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{
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drawOneLine( marker_x, marker_y, marker_x+6, marker_y );
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sprintf( TextScale, "%d", i );
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if( orientation == LEFT )
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{
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textString( marker_x-8*strlen(TextScale)-2, marker_y-4, TextScale, GLUT_BITMAP_8_BY_13 );
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}
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else if( orientation == RIGHT )
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{
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textString( marker_x+10, marker_y-4, TextScale, GLUT_BITMAP_8_BY_13 );
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}
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}
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}
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}
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}
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if( type == HORIZONTAL ) // Horizontal scale
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{
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if( orientation == TOP )
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marker_y = scr_pos;
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else if( orientation == BOTTOM )
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marker_y = scr_pos-6;
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drawOneLine( scr_min, scr_pos, scr_max, scr_pos );
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if( orientation == TOP )
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{
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drawOneLine( scr_min, scr_pos, scr_min, scr_pos-3 );
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drawOneLine( scr_max, scr_pos, scr_max, scr_pos-3 );
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drawOneLine( mid_scr, scr_pos, mid_scr, scr_pos-6 );
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} else if( orientation == BOTTOM )
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{
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drawOneLine( scr_min, scr_pos, scr_min, scr_pos+3 );
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drawOneLine( scr_max, scr_pos, scr_max, scr_pos+3 );
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drawOneLine( mid_scr, scr_pos, mid_scr, scr_pos+6 );
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}
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factor = (scr_max-scr_min)/total_amount;
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for( i=vmin; i<=vmax; i+=1 )
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{
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if( sub_type == LIMIT )
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condition = i>= min_value;
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else if( sub_type == NOLIMIT )
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condition = 1;
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if( condition )
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{
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marker_x = scr_min+(i-vmin)*factor;
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if( i%min_div==0 )
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if( orientation == TOP )
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{
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drawOneLine( marker_x, marker_y, marker_x, marker_y+3 );
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}
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else if( orientation == BOTTOM )
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{
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drawOneLine( marker_x, marker_y+3, marker_x, marker_y+6 );
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}
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if( i%max_div==0 )
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{
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sprintf( TextScale, "%d", i );
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if( orientation == TOP )
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{
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drawOneLine( marker_x, marker_y, marker_x, marker_y+6 );
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textString( marker_x-4*strlen(TextScale), marker_y+14, TextScale, GLUT_BITMAP_8_BY_13 );
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}
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else if( orientation == BOTTOM )
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{
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drawOneLine( marker_x, marker_y, marker_x, marker_y+6 );
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textString( marker_x+10, marker_y-4, TextScale, GLUT_BITMAP_8_BY_13 );
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}
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}
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}
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}
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}
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}
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/*
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Draws a climb ladder in the center of the HUD
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Needs: HUD_ladder struct
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*/
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static void drawladder( struct HUD_ladder ladder )
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{
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double vmin, vmax;
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double roll_value, pitch_value;
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double cos_roll, sin_roll;
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int marker_x, marker_y;
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int mid_scr;
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int scr_min, scr_max;
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int x_ini, x_end;
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int y_ini, y_end;
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int new_x_ini, new_x_end;
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int new_y_ini, new_y_end;
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register i;
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double factor;
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char TextLadder[80];
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int condition;
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roll_value = (*ladder.load_roll)();
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pitch_value = (*ladder.load_pitch)()*RAD_TO_DEG;
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vmin = pitch_value-ladder.width_units/2;
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vmax = pitch_value+ladder.width_units/2;
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scr_min = ladder.y_pos-(ladder.scr_height/2);
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scr_max = scr_min+ladder.scr_height;
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mid_scr = scr_min+(scr_max-scr_min)/2;
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marker_x = ladder.x_pos-ladder.scr_width/2;
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factor = (scr_max-scr_min)/ladder.width_units;
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for( i=vmin; i<=vmax; i+=1 )
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{
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condition = 1;
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if( condition )
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{
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marker_y = scr_min+(i-vmin)*factor;
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if( i%ladder.div_units==0 )
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{
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sprintf( TextLadder, "%d", i );
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if( ladder.scr_hole == 0 )
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{
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if( i != 0 )
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x_ini = ladder.x_pos-ladder.scr_width/2;
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else
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x_ini = ladder.x_pos-ladder.scr_width/2-10;
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y_ini = marker_y;
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x_end = ladder.x_pos+ladder.scr_width/2;
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y_end = marker_y;
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new_x_ini = ladder.x_pos+(x_ini-ladder.x_pos)*cos(roll_value)-\
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(y_ini-ladder.y_pos)*sin(roll_value);
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new_y_ini = ladder.y_pos+(x_ini-ladder.x_pos)*sin(roll_value)+\
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(y_ini-ladder.y_pos)*cos(roll_value);
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new_x_end = ladder.x_pos+(x_end-ladder.x_pos)*cos(roll_value)-\
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(y_end-ladder.y_pos)*sin(roll_value);
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new_y_end = ladder.y_pos+(x_end-ladder.x_pos)*sin(roll_value)+\
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(y_end-ladder.y_pos)*cos(roll_value);
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if( i >= 0 )
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{
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drawOneLine( new_x_ini, new_y_ini, new_x_end, new_y_end );
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}
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else
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{
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glEnable(GL_LINE_STIPPLE);
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glLineStipple( 1, 0x00FF );
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drawOneLine( new_x_ini, new_y_ini, new_x_end, new_y_end );
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glDisable(GL_LINE_STIPPLE);
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}
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textString( new_x_ini-8*strlen(TextLadder)-8, new_y_ini-4, TextLadder, GLUT_BITMAP_8_BY_13 );
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textString( new_x_end+10, new_y_end-4, TextLadder, GLUT_BITMAP_8_BY_13 );
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}
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else
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{
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if( i != 0 )
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x_ini = ladder.x_pos-ladder.scr_width/2;
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else
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x_ini = ladder.x_pos-ladder.scr_width/2-10;
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y_ini = marker_y;
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x_end = ladder.x_pos-ladder.scr_width/2+ladder.scr_hole/2;
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y_end = marker_y;
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new_x_ini = ladder.x_pos+(x_ini-ladder.x_pos)*cos(roll_value)-\
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(y_ini-ladder.y_pos)*sin(roll_value);
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new_y_ini = ladder.y_pos+(x_ini-ladder.x_pos)*sin(roll_value)+\
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(y_ini-ladder.y_pos)*cos(roll_value);
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new_x_end = ladder.x_pos+(x_end-ladder.x_pos)*cos(roll_value)-\
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(y_end-ladder.y_pos)*sin(roll_value);
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new_y_end = ladder.y_pos+(x_end-ladder.x_pos)*sin(roll_value)+\
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(y_end-ladder.y_pos)*cos(roll_value);
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if( i >= 0 )
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{
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drawOneLine( new_x_ini, new_y_ini, new_x_end, new_y_end );
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}
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else
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{
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glEnable(GL_LINE_STIPPLE);
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glLineStipple( 1, 0x00FF );
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drawOneLine( new_x_ini, new_y_ini, new_x_end, new_y_end );
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glDisable(GL_LINE_STIPPLE);
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}
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textString( new_x_ini-8*strlen(TextLadder)-8, new_y_ini-4, TextLadder, GLUT_BITMAP_8_BY_13 );
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x_ini = ladder.x_pos+ladder.scr_width/2-ladder.scr_hole/2;
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y_ini = marker_y;
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if( i != 0 )
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x_end = ladder.x_pos+ladder.scr_width/2;
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else
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x_end = ladder.x_pos+ladder.scr_width/2+10;
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y_end = marker_y;
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new_x_ini = ladder.x_pos+(x_ini-ladder.x_pos)*cos(roll_value)-\
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(y_ini-ladder.y_pos)*sin(roll_value);
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new_y_ini = ladder.y_pos+(x_ini-ladder.x_pos)*sin(roll_value)+\
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(y_ini-ladder.y_pos)*cos(roll_value);
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new_x_end = ladder.x_pos+(x_end-ladder.x_pos)*cos(roll_value)-\
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(y_end-ladder.y_pos)*sin(roll_value);
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new_y_end = ladder.y_pos+(x_end-ladder.x_pos)*sin(roll_value)+\
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(y_end-ladder.y_pos)*cos(roll_value);
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if( i >= 0 )
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{
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drawOneLine( new_x_ini, new_y_ini, new_x_end, new_y_end );
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}
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else
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{
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glEnable(GL_LINE_STIPPLE);
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glLineStipple( 1, 0x00FF );
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drawOneLine( new_x_ini, new_y_ini, new_x_end, new_y_end );
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glDisable(GL_LINE_STIPPLE);
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}
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textString( new_x_end+10, new_y_end-4, TextLadder, GLUT_BITMAP_8_BY_13 );
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}
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}
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/* if( i%max_div==0 )
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{
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drawOneLine( marker_x, marker_y, marker_x+6, marker_y );
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sprintf( TextScale, "%d", i );
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if( orientation == LEFT )
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{
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textString( marker_x-8*strlen(TextScale)-2, marker_y-4, TextScale, GLUT_BITMAP_8_BY_13 );
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}
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else if( orientation == RIGHT )
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{
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textString( marker_x+10, marker_y-4, TextScale, GLUT_BITMAP_8_BY_13 );
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}
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} */
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}
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}
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}
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/*
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Draws an artificial horizon line in the center of the HUD
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(with or without a center hole)
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Needs: x_center, y_center, length, hole
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*/
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static void drawhorizon( struct HUD_horizon horizon )
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{
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int x_inc1, y_inc1;
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int x_inc2, y_inc2;
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struct FLIGHT *f;
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double sin_bank, cos_bank;
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double bank_angle;
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// f = ¤t_aircraft.flight;
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bank_angle = (*horizon.load_value)();
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// sin_bank = sin( FG_2PI-FG_Phi );
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// cos_bank = cos( FG_2PI-FG_Phi );
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sin_bank = sin(FG_2PI-bank_angle);
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cos_bank = cos(FG_2PI-bank_angle);
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x_inc1 = (int)(horizon.scr_width*cos_bank);
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y_inc1 = (int)(horizon.scr_width*sin_bank);
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x_inc2 = (int)(horizon.scr_hole*cos_bank);
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y_inc2 = (int)(horizon.scr_hole*sin_bank);
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if( horizon.scr_hole == 0 )
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{
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drawOneLine( horizon.x_pos-x_inc1, horizon.y_pos-y_inc1, \
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horizon.x_pos+x_inc1, horizon.y_pos+y_inc1 );
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}
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else
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{
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drawOneLine( horizon.x_pos-x_inc1, horizon.y_pos-y_inc1, \
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horizon.x_pos-x_inc2, horizon.y_pos-y_inc2 );
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drawOneLine( horizon.x_pos+x_inc2, horizon.y_pos+y_inc2, \
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horizon.x_pos+x_inc1, horizon.y_pos+y_inc1 );
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}
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}
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/*
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Draws a label anywhere in the HUD
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Needs: HUD_label struct
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*/
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static void drawlabel( struct HUD_label label )
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{
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char buffer[80];
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char string[80];
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int posincr;
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int lenstr;
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if( label.pre_str != NULL && label.post_str != NULL )
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sprintf( buffer, "%s%s%s", label.pre_str, label.format, label.post_str );
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else if( label.pre_str == NULL && label.post_str != NULL )
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sprintf( buffer, "%s%s", label.format, label.post_str );
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else if( label.pre_str != NULL && label.post_str == NULL )
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sprintf( buffer, "%s%s", label.pre_str, label.format );
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sprintf( string, buffer, (*label.load_value)() );
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#ifdef DEBUG
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printf( buffer );
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printf( "\n" );
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printf( string );
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printf( "\n" );
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#endif
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lenstr = strlen( string );
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if( label.justify == LEFT_JUST )
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posincr = -lenstr*8;
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else if( label.justify == CENTER_JUST )
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posincr = -lenstr*4;
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else if( label.justify == RIGHT_JUST )
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posincr = 0;
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if( label.size == SMALL )
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textString( label.x_pos+posincr, label.y_pos, string, GLUT_BITMAP_8_BY_13);
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else if( label.size == LARGE )
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textString( label.x_pos+posincr, label.y_pos, string, GLUT_BITMAP_9_BY_15);
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}
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double get_speed()
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{
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struct FLIGHT *f;
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f = ¤t_aircraft.flight;
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return( FG_V_equiv_kts );
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}
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double get_aoa()
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{
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struct FLIGHT *f;
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f = ¤t_aircraft.flight;
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return( FG_Gamma_vert_rad*RAD_TO_DEG );
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}
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double get_roll()
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|
{
|
|
struct FLIGHT *f;
|
|
|
|
f = ¤t_aircraft.flight;
|
|
return( FG_Phi );
|
|
}
|
|
|
|
double get_pitch()
|
|
{
|
|
struct FLIGHT *f;
|
|
|
|
f = ¤t_aircraft.flight;
|
|
return( FG_Theta );
|
|
}
|
|
|
|
double get_heading()
|
|
{
|
|
struct FLIGHT *f;
|
|
|
|
f = ¤t_aircraft.flight;
|
|
return( FG_Psi*RAD_TO_DEG );
|
|
}
|
|
|
|
double get_altitude()
|
|
{
|
|
struct FLIGHT *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 );
|
|
}
|
|
|
|
void add_instrument( Hptr hud, HIptr instrument )
|
|
{
|
|
HIptr instruments;
|
|
|
|
instruments = hud->instruments;
|
|
// while( ++instruments
|
|
}
|
|
|
|
Hptr fgHUDInit( struct AIRCRAFT 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;
|
|
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;
|
|
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;
|
|
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;
|
|
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
|
|
printf( "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
|
|
printf("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 1.3 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.
|
|
*
|
|
*/
|