835 lines
26 KiB
C++
835 lines
26 KiB
C++
// hud.cxx -- 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 - micheleamerica@geocities.com
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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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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#ifdef HAVE_WINDOWS_H
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# include <windows.h>
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#endif
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#ifdef __BORLANDC__
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# define exception c_exception
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#endif
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#include <math.h>
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#include <GL/glut.h>
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#include <stdlib.h>
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#include <string.h>
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#include <Aircraft/aircraft.hxx>
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#include <Debug/logstream.hxx>
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#include <Include/fg_constants.h>
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#include <Main/options.hxx>
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#include <Math/fg_random.h>
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#include <Math/mat3.h>
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#include <Math/polar3d.hxx>
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#include <Scenery/scenery.hxx>
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#include <Time/fg_timer.hxx>
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#if defined ( __sun__ ) || defined ( __sgi )
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extern "C" {
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extern void *memmove(void *, const void *, size_t);
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}
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#endif
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#include "hud.hxx"
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static char units[5];
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// The following routines obtain information concerntin the aircraft's
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// current state and return it to calling instrument display routines.
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// They should eventually be member functions of the aircraft.
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//
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HudContainerType HUD_deque;
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class locRECT {
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public:
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RECT rect;
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locRECT( UINT left, UINT top, UINT right, UINT bottom);
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RECT get_rect(void) { return rect;}
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};
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locRECT :: locRECT( UINT left, UINT top, UINT right, UINT bottom)
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{
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rect.left = left;
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rect.top = top;
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rect.right = right;
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rect.bottom = bottom;
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}
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// #define DEBUG
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void drawOneLine( UINT x1, UINT y1, UINT x2, UINT y2)
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{
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glBegin(GL_LINES);
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glVertex2f(x1, y1);
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glVertex2f(x2, y2);
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glEnd();
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}
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void drawOneLine( RECT &rect)
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{
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glBegin(GL_LINES);
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glVertex2f(rect.left, rect.top);
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glVertex2f(rect.right, rect.bottom);
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glEnd();
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}
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//
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// The following code deals with painting the "instrument" on the display
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//
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/* textString - Bitmap font string */
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void textString( int x, int y, char *msg, void *font ){
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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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void strokeString(int x, int y, char *msg, void *font, float theta)
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{
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int xx;
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int yy;
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glPushMatrix();
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glRotatef(theta * RAD_TO_DEG, 0.0, 0.0, 1.0);
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xx = (int)(x * cos(theta) + y * sin( theta ));
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yy = (int)(y * cos(theta) - x * sin( theta ));
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glTranslatef( xx, yy, 0);
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glScalef(.1, .1, 0.0);
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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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//========================= End of Class Implementations===================
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// fgHUDInit
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//
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// Constructs a HUD object and then adds in instruments. At the present
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// the instruments are hard coded into the routine. Ultimately these need
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// to be defined by the aircraft's instrumentation records so that the
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// display for a Piper Cub doesn't show the speed range of a North American
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// mustange and the engine readouts of a B36!
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//
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#define INSTRDEFS 21
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int fgHUDInit( fgAIRCRAFT * /* current_aircraft */ )
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{
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instr_item *HIptr;
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int index;
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FG_LOG( FG_COCKPIT, FG_INFO, "Initializing current aircraft HUD" );
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HUD_deque.erase( HUD_deque.begin(), HUD_deque.end()); // empty the HUD deque
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// hud->code = 1;
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// hud->status = 0;
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// For now lets just hardcode the hud here.
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// In the future, hud information has to come from the same place
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// aircraft information came from.
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// fgHUDSetTimeMode( hud, NIGHT );
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// fgHUDSetBrightness( hud, BRT_LIGHT );
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index = 0;
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do {
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switch ( index ) {
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case 0: // TBI
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HIptr = (instr_item *) new fgTBI_instr( 270, 100, 60, 10 );
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break;
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case 1: // Artificial Horizon
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HIptr = (instr_item *) new HudLadder( 240, 195, 120, 180 );
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break;
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case 2: // KIAS
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HIptr = (instr_item *) new hud_card( 130,
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170,
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28,
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200,
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get_speed,
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HUDS_LEFT | HUDS_VERT,
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200.0, 0.0,
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1.0,
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10, 5,
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0,
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0,
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50.0,
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true);
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break;
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case 3: // Radio Altimeter
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HIptr = (instr_item *) new hud_card( 420,
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195,
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25,
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150,
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get_agl,
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HUDS_LEFT | HUDS_VERT,
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1000, 0,
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1.0,
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25, 5,
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0,
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0,
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200.0,
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true);
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break;
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case 4: // GYRO COMPASS
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HIptr = (instr_item *) new hud_card( 200,
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375,
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200,
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28,
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get_heading,
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HUDS_TOP,
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360, 0,
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1.0,
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5, 1,
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360,
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0,
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25,
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true);
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break;
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case 5: // AMSL
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HIptr = (instr_item *) new hud_card( 460,
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170,
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35,
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200,
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get_altitude,
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HUDS_RIGHT | HUDS_VERT,
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15000, -500,
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1.0,
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100, 25,
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0,
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0,
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250,
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true);
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break;
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case 6:
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HIptr = (instr_item *) new guage_instr( 250, // x
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350, // y
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100, // width
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20, // height
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get_aileronval, // data source
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HUDS_BOTTOM | HUDS_NOTEXT,
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100.0,
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+1.0,
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-1.0);
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break;
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case 7:
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HIptr = (instr_item *) new guage_instr( 170, // x
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225, // y
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20, // width
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100, // height
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get_elevatorval, // data source
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HUDS_RIGHT | HUDS_VERT | HUDS_NOTEXT,
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-100.0, // Scale data
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+1.0, // Data Range
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-1.0);
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break;
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case 8:
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HIptr = (instr_item *) new guage_instr( 250, // x
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200, // y
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100, // width
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20, // height
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get_rudderval, // data source
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HUDS_TOP | HUDS_NOTEXT,
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100.0,
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+1.0,
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-1.0);
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break;
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case 9:
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HIptr = (instr_item *) new guage_instr( 100, // x
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190,
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20,
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160, // height
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get_throttleval, // data source
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HUDS_VERT | HUDS_RIGHT | HUDS_NOTEXT,
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100.0,
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1.0,
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0.0);
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break;
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case 10: // Digital KIAS
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HIptr = (instr_item *) new instr_label ( 110,
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150,
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40,
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30,
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get_speed,
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"%5.0f",
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NULL,
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" Kts",
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1.0,
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HUDS_TOP,
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RIGHT_JUST,
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SMALL,
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0,
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TRUE );
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break;
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case 11: // Digital Rate of Climb
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HIptr = (instr_item *) new instr_label ( 110,
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135,
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40,
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10,
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get_climb_rate,
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"%5.0f",
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" Climb",
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NULL,
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1.0,
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HUDS_TOP,
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RIGHT_JUST,
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SMALL,
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0,
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TRUE );
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break;
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case 12: // Roll indication diagnostic
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HIptr = (instr_item *) new instr_label ( 110,
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120,
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40,
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10,
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get_roll,
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"%5.2f",
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" Roll",
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" Deg",
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1.0,
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HUDS_TOP,
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RIGHT_JUST,
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SMALL,
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0,
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TRUE );
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break;
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case 13: // Angle of attack diagnostic
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HIptr = (instr_item *) new instr_label ( 440,
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150,
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60,
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10,
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get_aoa,
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" %5.2f",
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"AOA",
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" Deg",
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1.0,
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HUDS_TOP,
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RIGHT_JUST,
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SMALL,
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0,
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TRUE );
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break;
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case 14:
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HIptr = (instr_item *) new instr_label ( 440,
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135,
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60,
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10,
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get_heading,
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" %5.1f",
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"Heading ",
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" Deg",
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1.0,
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HUDS_TOP,
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RIGHT_JUST,
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SMALL,
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0,
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TRUE );
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break;
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case 15:
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HIptr = (instr_item *) new instr_label ( 440,
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120,
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60,
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10,
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get_sideslip,
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"%5.2f",
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"Sideslip ",
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NULL,
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1.0,
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HUDS_TOP,
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RIGHT_JUST,
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SMALL,
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0,
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TRUE );
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break;
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case 16:
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HIptr = (instr_item *) new instr_label( 440,
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100,
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60,
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10,
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get_throttleval,
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"%5.2f",
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"Throttle ",
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NULL,
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1.0,
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HUDS_TOP,
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RIGHT_JUST,
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SMALL,
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0,
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TRUE );
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break;
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case 17:
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HIptr = (instr_item *) new instr_label( 440,
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85,
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60,
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10,
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get_elevatorval,
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"%5.2f",
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"Elevator ",
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NULL,
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1.0,
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HUDS_TOP,
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RIGHT_JUST,
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SMALL,
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0,
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TRUE );
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break;
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case 18:
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HIptr = (instr_item *) new instr_label( 440,
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60,
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60,
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10,
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get_aileronval,
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"%5.2f",
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"Aileron ",
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NULL,
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1.0,
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HUDS_TOP,
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RIGHT_JUST,
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SMALL,
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0,
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TRUE );
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break;
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case 19:
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HIptr = (instr_item *) new instr_label( 10,
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10,
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60,
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10,
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get_frame_rate,
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"%.0f",
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"Frame rate = ",
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NULL,
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1.0,
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HUDS_TOP,
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RIGHT_JUST,
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SMALL,
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0,
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TRUE );
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break;
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case 20:
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switch( current_options.get_tris_or_culled() ) {
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case 0:
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HIptr = (instr_item *) new instr_label( 10,
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25,
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90,
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10,
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get_vfc_tris_drawn,
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"%.0f",
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"Tris Rendered = ",
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NULL,
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1.0,
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HUDS_TOP,
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RIGHT_JUST,
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SMALL,
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0,
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TRUE );
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break;
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case 1:
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HIptr = (instr_item *) new instr_label( 10,
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25,
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90,
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10,
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get_vfc_ratio,
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"%.2f",
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"VFC Ratio = ",
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NULL,
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1.0,
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HUDS_TOP,
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RIGHT_JUST,
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SMALL,
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0,
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TRUE );
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break;
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}
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break;
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case 21:
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HIptr = (instr_item *) new instr_label( 10,
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40,
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90,
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10,
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get_fov,
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"%.1f",
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"FOV = ",
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NULL,
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1.0,
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HUDS_TOP,
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RIGHT_JUST,
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SMALL,
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0,
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TRUE );
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break;
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default:
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HIptr = 0;;
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}
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if( HIptr ) { // Anything to install?
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HUD_deque.insert( HUD_deque.begin(), HIptr);
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}
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index++;
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}
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while( HIptr );
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return 0; // For now. Later we may use this for an error code.
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}
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int fgHUDInit2( fgAIRCRAFT * /* current_aircraft */ )
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{
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int index;
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FG_LOG( FG_COCKPIT, FG_INFO, "Initializing current aircraft HUD" );
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HUD_deque.erase( HUD_deque.begin(), HUD_deque.end());
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// hud->code = 1;
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// hud->status = 0;
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|
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// For now lets just hardcode the hud here.
|
|
// In the future, hud information has to come from the same place
|
|
// aircraft information came from.
|
|
|
|
// fgHUDSetTimeMode( hud, NIGHT );
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// fgHUDSetBrightness( hud, BRT_LIGHT );
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// index = 0;
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index = 19;
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instr_item* p;
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p = new instr_label( 10, 10, 60, 10,
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get_frame_rate,
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"%.0f",
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"Frame rate = ",
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NULL,
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1.0,
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HUDS_TOP,
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RIGHT_JUST,
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SMALL,
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0,
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TRUE );
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HUD_deque.push_front( p );
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if ( current_options.get_tris_or_culled() == 0 )
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p = new instr_label( 10, 25, 90, 10,
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get_vfc_tris_drawn,
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"%.0f",
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"Tris Rendered = ",
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NULL,
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1.0,
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HUDS_TOP,
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RIGHT_JUST,
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SMALL,
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0,
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TRUE );
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else
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p = new instr_label( 10, 25, 90, 10,
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get_vfc_ratio,
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"%.2f",
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"VFC Ratio = ",
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NULL,
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1.0,
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HUDS_TOP,
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RIGHT_JUST,
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SMALL,
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0,
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TRUE );
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HUD_deque.push_front( p );
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p = new instr_label( 10, 40, 90, 10,
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get_fov,
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"%.1f",
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"FOV = ",
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NULL,
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1.0,
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HUDS_TOP,
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RIGHT_JUST,
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SMALL,
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0,
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TRUE );
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HUD_deque.push_front( p );
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|
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const int x_pos = 480;
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p = new instr_label( x_pos, 40, 40, 30,
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get_speed,
|
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"%5.0f",
|
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"Airspeed ",
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" Kts",
|
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1.0,
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HUDS_TOP,
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RIGHT_JUST,
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SMALL,
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0,
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TRUE );
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HUD_deque.push_front( p );
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|
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if ( current_options.get_units() == fgOPTIONS::FG_UNITS_FEET ) {
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strcpy(units, " ft");
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|
} else {
|
|
strcpy(units, " m");
|
|
}
|
|
p = new instr_label( x_pos, 25, 40, 10,
|
|
get_altitude,
|
|
"%5.0f",
|
|
"Altitude ",
|
|
units,
|
|
1.0,
|
|
HUDS_TOP,
|
|
RIGHT_JUST,
|
|
SMALL,
|
|
0,
|
|
TRUE );
|
|
HUD_deque.push_front( p );
|
|
|
|
p = new instr_label( x_pos, 10, 60, 10,
|
|
get_heading,
|
|
"%5.1f",
|
|
"Heading ",
|
|
" Deg",
|
|
1.0,
|
|
HUDS_TOP,
|
|
RIGHT_JUST,
|
|
SMALL,
|
|
0,
|
|
TRUE );
|
|
HUD_deque.push_front( p );
|
|
|
|
return 0; // For now. Later we may use this for an error code.
|
|
}
|
|
|
|
int global_day_night_switch = DAY;
|
|
|
|
void HUD_brightkey( bool incr_bright )
|
|
{
|
|
instr_item *pHUDInstr = HUD_deque[0];
|
|
int brightness = pHUDInstr->get_brightness();
|
|
|
|
if( current_options.get_hud_status() ) {
|
|
if( incr_bright ) {
|
|
switch (brightness) {
|
|
case BRT_LIGHT:
|
|
current_options.set_hud_status(0);
|
|
break;
|
|
|
|
case BRT_MEDIUM:
|
|
brightness = BRT_LIGHT;
|
|
break;
|
|
|
|
case BRT_DARK:
|
|
brightness = BRT_MEDIUM;
|
|
break;
|
|
|
|
case BRT_BLACK:
|
|
brightness = BRT_DARK;
|
|
break;
|
|
|
|
default:
|
|
brightness = BRT_BLACK;
|
|
}
|
|
}
|
|
else {
|
|
switch (brightness) {
|
|
case BRT_LIGHT:
|
|
brightness = BRT_MEDIUM;
|
|
break;
|
|
|
|
case BRT_MEDIUM:
|
|
brightness = BRT_DARK;
|
|
break;
|
|
|
|
case BRT_DARK:
|
|
brightness = BRT_BLACK;
|
|
break;
|
|
|
|
case BRT_BLACK:
|
|
default:
|
|
current_options.set_hud_status(0);
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
current_options.set_hud_status(1);
|
|
if( incr_bright ) {
|
|
if( DAY == global_day_night_switch ) {
|
|
brightness = BRT_BLACK;
|
|
}
|
|
else {
|
|
brightness = BRT_DARK;
|
|
global_day_night_switch = DAY;
|
|
}
|
|
}
|
|
else {
|
|
if( NIGHT == global_day_night_switch ) {
|
|
brightness = BRT_DARK;
|
|
}
|
|
else {
|
|
brightness = BRT_MEDIUM;
|
|
global_day_night_switch = NIGHT;
|
|
}
|
|
}
|
|
}
|
|
pHUDInstr->SetBrightness( brightness );
|
|
}
|
|
|
|
// fgUpdateHUD
|
|
//
|
|
// Performs a once around the list of calls to instruments installed in
|
|
// the HUD object with requests for redraw. Kinda. It will when this is
|
|
// all C++.
|
|
//
|
|
void fgUpdateHUD( void ) {
|
|
int i;
|
|
int brightness;
|
|
// int day_night_sw = current_aircraft.controls->day_night_switch;
|
|
int day_night_sw = global_day_night_switch;
|
|
int hud_displays = HUD_deque.size();
|
|
instr_item *pHUDInstr;
|
|
|
|
if( !hud_displays ) { // Trust everyone, but ALWAYS cut the cards!
|
|
return;
|
|
}
|
|
|
|
pHUDInstr = HUD_deque[0];
|
|
brightness = pHUDInstr->get_brightness();
|
|
// brightness = HUD_deque.at(0)->get_brightness();
|
|
|
|
glMatrixMode(GL_PROJECTION);
|
|
glPushMatrix();
|
|
|
|
glLoadIdentity();
|
|
gluOrtho2D(0, 640, 0, 480);
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glPushMatrix();
|
|
glLoadIdentity();
|
|
|
|
glColor3f(1.0, 1.0, 1.0);
|
|
glIndexi(7);
|
|
|
|
glDisable(GL_DEPTH_TEST);
|
|
glDisable(GL_LIGHTING);
|
|
|
|
glLineWidth(1);
|
|
|
|
HudIterator current = HUD_deque.begin();
|
|
HudIterator last = HUD_deque.end();
|
|
|
|
for ( ; current != last; ++current ) {
|
|
pHUDInstr = *current;
|
|
|
|
// for( i = hud_displays; i; --i) { // Draw everything
|
|
// if( HUD_deque.at(i)->enabled()) {
|
|
// pHUDInstr = HUD_deque[i - 1];
|
|
if( pHUDInstr->enabled()) {
|
|
// We should to respond to a dial instead
|
|
// or as well to the of time of day. Of
|
|
// course, we have no dial!
|
|
if( day_night_sw == DAY) {
|
|
switch (brightness) {
|
|
case BRT_LIGHT:
|
|
glColor3f (0.1, 0.9, 0.1);
|
|
break;
|
|
|
|
case BRT_MEDIUM:
|
|
glColor3f (0.1, 0.7, 0.0);
|
|
break;
|
|
|
|
case BRT_DARK:
|
|
glColor3f (0.0, 0.5, 0.0);
|
|
break;
|
|
|
|
case BRT_BLACK:
|
|
glColor3f( 0.0, 0.0, 0.0);
|
|
break;
|
|
|
|
default:;
|
|
}
|
|
}
|
|
else {
|
|
if( day_night_sw == NIGHT) {
|
|
switch (brightness) {
|
|
case BRT_LIGHT:
|
|
glColor3f (0.9, 0.1, 0.1);
|
|
break;
|
|
|
|
case BRT_MEDIUM:
|
|
glColor3f (0.7, 0.0, 0.1);
|
|
break;
|
|
|
|
case BRT_DARK:
|
|
default:
|
|
glColor3f (0.5, 0.0, 0.0);
|
|
}
|
|
}
|
|
else { // Just in case default
|
|
glColor3f (0.1, 0.9, 0.1);
|
|
}
|
|
}
|
|
// fgPrintf( FG_COCKPIT, FG_DEBUG, "HUD Code %d Status %d\n",
|
|
// hud->code, hud->status );
|
|
pHUDInstr->draw();
|
|
// HUD_deque.at(i)->draw(); // Responsible for broken or fixed variants.
|
|
// No broken displays honored just now.
|
|
}
|
|
}
|
|
|
|
glEnable(GL_DEPTH_TEST);
|
|
glEnable(GL_LIGHTING);
|
|
glMatrixMode(GL_PROJECTION);
|
|
glPopMatrix();
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glPopMatrix();
|
|
}
|
|
|