681 lines
24 KiB
C++
681 lines
24 KiB
C++
/**************************************************************************
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* 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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* (Log is kept at end of this file)
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**************************************************************************/
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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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#include <GL/glut.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef HAVE_VALUES_H
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# include <values.h> // for MAXINT
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#endif
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#include <Aircraft/aircraft.h>
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#include <Debug/fg_debug.h>
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#include <Include/fg_constants.h>
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#include <Math/fg_random.h>
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#include <Math/mat3.h>
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#include <Math/polar3d.h>
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#include <Scenery/scenery.hxx>
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#include <Time/fg_timer.hxx>
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#include <Weather/weather.h>
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#include "hud.hxx"
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#ifdef __sun__
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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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// 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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//using namespace std;
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deque< instr_item * > 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 = x * cos(theta) + y * sin( theta );
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yy = 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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fgPrintf( FG_COCKPIT, FG_INFO, "Initializing current aircraft HUD\n" );
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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( 300, 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( 270, 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( 160,
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170,
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35,
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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: // Angle of Attack
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HIptr = (instr_item *) new hud_card( 450,
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195,
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30,
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150,
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get_aoa,
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HUDS_LEFT | HUDS_VERT,
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50, -40,
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1.0,
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5, 1,
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0,
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1,
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21.0,
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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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260,
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32,
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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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10, 5,
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360,
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0,
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50,
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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( 490,
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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, 0,
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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: // Digital KIAS
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HIptr = (instr_item *) new instr_label ( 160,
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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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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 7: // Digital Altimeter
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HIptr = (instr_item *) new instr_label ( 160,
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135,
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40,
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10,
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get_altitude,
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"MSL %5.0f",
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NULL,
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" m",
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HUDS_TOP,
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LEFT_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 8: // Roll indication diagnostic
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HIptr = (instr_item *) new instr_label ( 160,
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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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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 9: // 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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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 10:
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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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" %5.0f",
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"Heading ",
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" Deg",
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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:
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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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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:
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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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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:
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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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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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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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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( 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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"%.1f",
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"Frame rate = ",
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NULL,
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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( 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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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( 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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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 guage_instr( 50, // x
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200, // 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,
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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 19:
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HIptr = (instr_item *) new guage_instr( 90, // 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_BOTH | HUDS_VERT,
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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 20:
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HIptr = (instr_item *) new guage_instr( 50, // x
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350, // 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,
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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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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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// fgUpdateHUD
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//
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// Performs a once around the list of calls to instruments installed in
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// the HUD object with requests for redraw. Kinda. It will when this is
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// all C++.
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//
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int global_day_night_switch = DAY;
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void fgUpdateHUD( void ) {
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int i;
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int brightness;
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// int day_night_sw = current_aircraft.controls->day_night_switch;
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int day_night_sw = global_day_night_switch;
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int hud_displays = HUD_deque.size();
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instr_item *pHUDInstr;
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if( !hud_displays ) { // Trust everyone, but ALWAYS cut the cards!
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return;
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}
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pHUDInstr = HUD_deque[0];
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brightness = pHUDInstr->get_brightness();
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// brightness = HUD_deque.at(0)->get_brightness();
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glMatrixMode(GL_PROJECTION);
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glPushMatrix();
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glLoadIdentity();
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gluOrtho2D(0, 640, 0, 480);
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glMatrixMode(GL_MODELVIEW);
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glPushMatrix();
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glLoadIdentity();
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glColor3f(1.0, 1.0, 1.0);
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glIndexi(7);
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glDisable(GL_DEPTH_TEST);
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glDisable(GL_LIGHTING);
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glLineWidth(1);
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for( i = hud_displays; i; --i) { // Draw everything
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// if( HUD_deque.at(i)->enabled()) {
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pHUDInstr = HUD_deque[i - 1];
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if( pHUDInstr->enabled()) {
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// We should to respond to a dial instead
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// or as well to the of time of day. Of
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// course, we have no dial!
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if( day_night_sw == DAY) {
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switch (brightness) {
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case BRT_LIGHT:
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glColor3f (0.1, 0.9, 0.1);
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break;
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case BRT_MEDIUM:
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glColor3f (0.1, 0.7, 0.0);
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break;
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case BRT_DARK:
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glColor3f (0.0, 0.5, 0.0);
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}
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}
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else {
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if( day_night_sw == NIGHT) {
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switch (brightness) {
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case BRT_LIGHT:
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glColor3f (0.9, 0.1, 0.1);
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break;
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case BRT_MEDIUM:
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glColor3f (0.7, 0.0, 0.1);
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break;
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case BRT_DARK:
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default:
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glColor3f (0.5, 0.0, 0.0);
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}
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}
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else { // Just in case default
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glColor3f (0.1, 0.9, 0.1);
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}
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}
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// fgPrintf( FG_COCKPIT, FG_DEBUG, "HUD Code %d Status %d\n",
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// hud->code, hud->status );
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pHUDInstr->draw();
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// HUD_deque.at(i)->draw(); // Responsible for broken or fixed variants.
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// No broken displays honored just now.
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}
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}
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glEnable(GL_DEPTH_TEST);
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glEnable(GL_LIGHTING);
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glMatrixMode(GL_PROJECTION);
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glPopMatrix();
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glMatrixMode(GL_MODELVIEW);
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glPopMatrix();
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}
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/* $Log$
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/* Revision 1.13 1998/07/03 13:16:28 curt
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/* Added Charlie Hotchkiss's HUD updates and improvementes.
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/*
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* Revision 1.11 1998/06/05 18:17:10 curt
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* Added the declaration of memmove needed by the stl which apparently
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* solaris only defines for cc compilations and not for c++ (__STDC__)
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*
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* Revision 1.10 1998/05/17 16:58:12 curt
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* Added a View Frustum Culling ratio display to the hud.
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*
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* Revision 1.9 1998/05/16 13:04:14 curt
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* New updates from Charlie Hotchkiss.
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*
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* Revision 1.8 1998/05/13 18:27:54 curt
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* Added an fov to hud display.
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*
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* Revision 1.7 1998/05/11 18:13:11 curt
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* Complete C++ rewrite of all cockpit code by Charlie Hotchkiss.
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*
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* Revision 1.22 1998/04/18 04:14:02 curt
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* Moved fg_debug.c to it's own library.
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*
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* Revision 1.21 1998/04/03 21:55:28 curt
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* Converting to Gnu autoconf system.
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* Tweaks to hud.c
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*
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* Revision 1.20 1998/03/09 22:48:40 curt
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* Minor "formatting" tweaks.
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*
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* Revision 1.19 1998/02/23 20:18:28 curt
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* Incorporated Michele America's hud changes.
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*
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* Revision 1.18 1998/02/21 14:53:10 curt
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* Added Charlie's HUD changes.
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*
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* Revision 1.17 1998/02/20 00:16:21 curt
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* Thursday's tweaks.
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*
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* Revision 1.16 1998/02/19 13:05:49 curt
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* Incorporated some HUD tweaks from Michelle America.
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* Tweaked the sky's sunset/rise colors.
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* Other misc. tweaks.
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*
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* Revision 1.15 1998/02/16 13:38:39 curt
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* Integrated changes from Charlie Hotchkiss.
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*
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* Revision 1.14 1998/02/12 21:59:41 curt
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* Incorporated code changes contributed by Charlie Hotchkiss
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* <chotchkiss@namg.us.anritsu.com>
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*
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* Revision 1.12 1998/02/09 15:07:48 curt
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* Minor tweaks.
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*
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* Revision 1.11 1998/02/07 15:29:34 curt
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* Incorporated HUD changes and struct/typedef changes from Charlie Hotchkiss
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* <chotchkiss@namg.us.anritsu.com>
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*
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* Revision 1.10 1998/02/03 23:20:14 curt
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* Lots of little tweaks to fix various consistency problems discovered by
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* Solaris' CC. Fixed a bug in fg_debug.c with how the fgPrintf() wrapper
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* passed arguments along to the real printf(). Also incorporated HUD changes
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* by Michele America.
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*
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* Revision 1.9 1998/01/31 00:43:04 curt
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* Added MetroWorks patches from Carmen Volpe.
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*
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* Revision 1.8 1998/01/27 00:47:51 curt
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* Incorporated Paul Bleisch's <bleisch@chromatic.com> new debug message
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* system and commandline/config file processing code.
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*
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* Revision 1.7 1998/01/19 18:40:20 curt
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* Tons of little changes to clean up the code and to remove fatal errors
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* when building with the c++ compiler.
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*
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* Revision 1.6 1997/12/15 23:54:34 curt
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* Add xgl wrappers for debugging.
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* Generate terrain normals on the fly.
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*
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* Revision 1.5 1997/12/10 22:37:39 curt
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* Prepended "fg" on the name of all global structures that didn't have it yet.
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* i.e. "struct WEATHER {}" became "struct fgWEATHER {}"
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*
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* Revision 1.4 1997/09/23 00:29:32 curt
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* Tweaks to get things to compile with gcc-win32.
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*
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* Revision 1.3 1997/09/05 14:17:26 curt
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* More tweaking with stars.
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*
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* Revision 1.2 1997/09/04 02:17:30 curt
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* Shufflin' stuff.
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*
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* Revision 1.1 1997/08/29 18:03:22 curt
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* Initial revision.
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*
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*/
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