1986 lines
64 KiB
C++
1986 lines
64 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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// 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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/*
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class instr_ptr {
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private:
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instr_item *pHI;
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public:
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instr_ptr ( instr_item * pHudInstr = 0) : pHI( pHudInstr){}
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~instr_ptr() { if( pHI ) delete pHI; }
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instr_ptr & operator = (const instr_ptr & rhs);
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instr_ptr( const instr_ptr & image );
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}
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instr_ptr &
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instr_ptr ::
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operator = ( const instr_ptr & rhs )
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{
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if( !(this == &rhs )) {
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pHI = new instr_item( *(rhs.pHI));
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}
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return *this;
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}
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instr_ptr ::
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instr_ptr ( const instr_ptr & image ) :
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{
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pHI = new instr_item( *(image.pHI));
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}
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*/
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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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// #define drawOneLine(x1,y1,x2,y2) glBegin(GL_LINES);
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// glVertex2f ((x1),(y1)); glVertex2f ((x2),(y2)); glEnd();
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//
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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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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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/*
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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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// Abstract Base Class instr_item
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//
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UINT instr_item :: instances; // Initial value of zero
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// constructor ( No default provided )
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instr_item ::
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instr_item( RECT scr_pos,
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DBLFNPTR data_source,
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ReadOriented orientation,
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bool working) :
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handle ( ++instances ),
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scrn_pos ( scr_pos ),
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load_value_fn ( data_source ),
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oriented ( orientation ),
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is_enabled ( working ),
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broken ( FALSE ),
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brightness ( BRT_DARK )
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{
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int hitemp, widetemp;
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int xtemp;
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// Check for inverted rect coords. We must have top/right > bottom
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// left corners or derived classes will draw their boxes very oddly.
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// This is the only place we can reliably validate this data. Note
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// that the box may be entirely or partly located off the screen.
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// This needs consideration and possibly a member function to move
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// the box, a keen idea for supporting "editing" of the HUD.
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if( scrn_pos.top < scrn_pos.bottom ) {
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xtemp = scrn_pos.bottom;
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scrn_pos.bottom = scrn_pos.top;
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scrn_pos.top = xtemp;
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}
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if( scrn_pos.left > scrn_pos.right ) {
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xtemp = scrn_pos.left;
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scrn_pos.left = scrn_pos.right;
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scrn_pos.right = xtemp;
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}
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// Insure that the midpoint marker will fall exactly at the
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// middle of the bar.
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if( !((scr_pos.top-scr_pos.bottom) % 2)) {
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scrn_pos.top++;
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}
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if( !((scr_pos.right - scr_pos.left ) % 2)) {
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scrn_pos.right++;
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}
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// Set up convenience values for centroid of the box and
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// the span values according to orientation
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hitemp = scr_pos.top - scr_pos.bottom;
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widetemp = scr_pos.right - scr_pos.left;
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if((orientation == ReadTOP) || (orientation == ReadBOTTOM)) {
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scr_span = widetemp;
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}
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else {
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scr_span = hitemp;
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}
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// Here we work out the centroid for the corrected box.
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mid_span.x = scr_pos.left + ((scr_pos.right - scr_pos.left) >> 1);
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mid_span.y = scr_pos.bottom + ((scr_pos.top - scr_pos.bottom) >> 1);
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}
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// copy constructor
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instr_item ::
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instr_item ( const instr_item & image ):
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handle ( ++instances ),
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scrn_pos ( image.scrn_pos ),
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load_value_fn( image.load_value_fn),
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oriented ( image.oriented ),
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is_enabled ( image.is_enabled ),
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broken ( image.broken ),
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brightness ( image.brightness ),
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scr_span ( image.scr_span ),
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mid_span ( image.mid_span )
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{
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}
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// assignment operator
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instr_item & instr_item :: operator = ( const instr_item & rhs )
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{
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if( !(this == &rhs )) { // Not an identity assignment
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scrn_pos = rhs.scrn_pos;
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load_value_fn = rhs.load_value_fn;
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oriented = rhs.oriented;
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is_enabled = rhs.is_enabled;
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broken = rhs.broken;
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brightness = rhs.brightness;
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}
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return *this;
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}
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// destructor
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instr_item :: ~instr_item ()
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{
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if( instances ) {
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instances--;
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}
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}
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void instr_item ::
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update( void )
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{
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}
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// break_display This is emplaced to provide hooks for making
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// instruments unreliable. The default behavior is
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// to simply not display, but more sophisticated behavior is available
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// by over riding the function which is virtual in this class.
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void instr_item ::
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break_display ( bool bad )
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{
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broken = !!bad;
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is_enabled = FALSE;
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}
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void instr_item ::
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SetBrightness ( int level )
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{
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brightness = level; // This is all we will do for now. Later the
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// brightness levels will be sensitive both to
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// the control knob and the outside light levels
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// to emulated night vision effects.
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}
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UINT instr_item :: get_Handle( void )
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{
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return handle;
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}
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//======================= Top of instr_label class =========================
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instr_label ::
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instr_label( RECT region,
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DBLFNPTR data_source,
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const char *label_format,
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const char *pre_label_string,
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const char *post_label_string,
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ReadOriented orientation,
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fgLabelJust justification,
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int font_size,
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int blinking,
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bool working ):
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instr_item( region, data_source,
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orientation, working ),
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pformat ( label_format ),
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pre_str ( pre_label_string ),
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post_str ( post_label_string ),
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justify ( justification ),
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fontSize ( font_size ),
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blink ( blinking )
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{
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}
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// I put this in to make it easy to construct a class member using the current
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// C code.
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instr_label :: ~instr_label()
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{
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}
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// Copy constructor
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instr_label :: instr_label( const instr_label & image) :
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instr_item((const instr_item &)image),
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pformat ( image.pformat ),
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pre_str ( image.pre_str ),
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post_str ( image.post_str ),
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blink ( image.blink )
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{
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}
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instr_label & instr_label ::operator = (const instr_label & rhs )
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{
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if( !(this == &rhs)) {
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instr_item::operator = (rhs);
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pformat = rhs.pformat;
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fontSize = rhs.fontSize;
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blink = rhs.blink;
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justify = rhs.justify;
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pre_str = rhs.pre_str;
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post_str = rhs.post_str;
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}
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return *this;
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}
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//
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// draw Draws a label anywhere in the HUD
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//
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//
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void instr_label ::
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draw( void ) // Required method in base class
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{
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char format_buffer[80];
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char label_buffer[80];
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int posincr;
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int lenstr;
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RECT scrn_rect = get_location();
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if( pre_str != NULL) {
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if( post_str != NULL ) {
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sprintf( format_buffer, "%s%s%s", pre_str, pformat, post_str );
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}
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else {
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sprintf( format_buffer, "%s%s", pre_str, pformat );
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}
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}
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else {
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if( post_str != NULL ) {
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sprintf( format_buffer, "%s%s", pformat, post_str );
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}
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} // else do nothing if both pre and post strings are nulls. Interesting.
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sprintf( label_buffer, format_buffer, get_value() );
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#ifdef DEBUGHUD
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fgPrintf( FG_COCKPIT, FG_DEBUG, format_buffer );
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fgPrintf( FG_COCKPIT, FG_DEBUG, "\n" );
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fgPrintf( FG_COCKPIT, FG_DEBUG, label_buffer );
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fgPrintf( FG_COCKPIT, FG_DEBUG, "\n" );
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#endif
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lenstr = strlen( label_buffer );
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posincr = 0; // default to RIGHT_JUST ... center located calc: -lenstr*8;
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if( justify == CENTER_JUST ) {
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posincr = - (lenstr << 2); // -lenstr*4;
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}
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else {
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if( justify == LEFT_JUST ) {
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posincr = - (lenstr << 8); // 0;
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}
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}
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if( fontSize == SMALL ) {
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textString( scrn_rect.left + posincr, scrn_rect.bottom,
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label_buffer, GLUT_BITMAP_8_BY_13);
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}
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else {
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if( fontSize == LARGE ) {
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textString( scrn_rect.left + posincr, scrn_rect.bottom,
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label_buffer, GLUT_BITMAP_9_BY_15);
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}
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}
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}
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//============== Top of instr_scale class memeber definitions ===============
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//
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// Notes:
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// 1. instr_scales divide the specified location into half and then
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// the half opposite the read direction in half again. A bar is
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// then drawn along the second divider. Scale ticks are drawn
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// between the middle and quarter section lines (minor division
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// markers) or just over the middle line.
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//
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// 2. This class was not intended to be instanciated. See moving_scale
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// and guage_instr classes.
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//============================================================================
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instr_scale ::
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instr_scale ( RECT the_box,
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DBLFNPTR load_fn,
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ReadOriented orient,
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int show_range,
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int maxValue,
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int minValue,
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UINT major_divs,
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UINT minor_divs,
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UINT rollover,
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bool working ) :
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instr_item( the_box, load_fn, orient, working),
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range_shown ( show_range ),
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Maximum_value( maxValue ),
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Minimum_value( minValue ),
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Maj_div ( major_divs ),
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Min_div ( minor_divs ),
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Modulo ( rollover )
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{
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int temp;
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scale_factor = (double)get_span() / range_shown;
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if( show_range < 0 ) {
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range_shown = -range_shown;
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}
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temp = (Maximum_value - Minimum_value) / 100;
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if( range_shown < temp ) {
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range_shown = temp;
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}
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}
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instr_scale ::
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instr_scale( const instr_scale & image ) :
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instr_item( (const instr_item &) image),
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range_shown ( image.range_shown ),
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Maximum_value( image.Maximum_value ),
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Minimum_value( image.Minimum_value ),
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Maj_div ( image.Maj_div ),
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Min_div ( image.Min_div ),
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Modulo ( image.Modulo ),
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scale_factor ( image.scale_factor )
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{
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}
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instr_scale & instr_scale :: operator = (const instr_scale & rhs )
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{
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if( !(this == &rhs)) {
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instr_item::operator = (rhs);
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Minimum_value = rhs.Minimum_value;
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Maximum_value = rhs.Maximum_value;
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Maj_div = rhs.Maj_div;
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Min_div = rhs.Min_div;
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Modulo = rhs.Modulo;
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scale_factor = rhs.scale_factor;
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range_shown = rhs.range_shown;
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}
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return *this;
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}
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instr_scale :: ~ instr_scale () {}
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//========== Top of moving_scale_instr class member definitions =============
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moving_scale ::
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moving_scale( RECT the_box,
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DBLFNPTR data_source,
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ReadOriented orientation,
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int max_value,
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int min_value,
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UINT major_divs,
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UINT minor_divs,
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UINT modulus,
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double value_span,
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bool working) :
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instr_scale( the_box,
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data_source, orientation,
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(int)value_span,
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max_value, min_value,
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major_divs, minor_divs, modulus,
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working),
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val_span ( value_span)
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{
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half_width_units = range_to_show() / 2.0;
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}
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moving_scale ::
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~moving_scale() { }
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moving_scale ::
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moving_scale( const moving_scale & image):
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instr_scale( (const instr_scale & ) image)
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{
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}
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moving_scale & moving_scale ::
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operator = (const moving_scale & rhs )
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{
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if( !( this == &rhs)){
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instr_scale::operator = (rhs);
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}
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return *this;
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}
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void moving_scale ::
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draw( void ) // (HUD_scale * pscale )
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{
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double vmin, vmax;
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int marker_x;
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int marker_y;
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register i;
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char TextScale[80];
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int condition;
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int disp_val;
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POINT mid_scr = get_centroid();
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POINT bias_bar; // eliminates some orientation checks
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double cur_value = get_value();
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RECT scrn_rect = get_location();
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ReadOriented orientation = get_orientation();
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vmin = cur_value - half_width_units; // width units == needle travel
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vmax = cur_value + half_width_units; // or picture unit span.
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if( (orientation == ReadLEFT) ||( orientation == ReadRIGHT)) // Vertical scale
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{
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if( orientation == ReadLEFT ) { // Calculate x marker offset
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marker_x = scrn_rect.left - 6;
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bias_bar.x = ((scrn_rect.right - mid_scr.x)>>1) + mid_scr.x;
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}
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else { // We'll default this for now.
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marker_x = mid_scr.x; // scrn_rect.right;
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bias_bar.x = ((mid_scr.x - scrn_rect.left)>>1) + scrn_rect.left;
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}
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// Draw the basic markings for the scale...
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drawOneLine( bias_bar.x, // Vertical scale bar
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scrn_rect.bottom,
|
|
bias_bar.x,
|
|
scrn_rect.top );
|
|
|
|
|
|
if( orientation == ReadLEFT )
|
|
{
|
|
|
|
drawOneLine( bias_bar.x, // Bottom tick bar
|
|
scrn_rect.bottom,
|
|
mid_scr.x,
|
|
scrn_rect.bottom );
|
|
|
|
drawOneLine( bias_bar.x, // Top tick bar
|
|
scrn_rect.top,
|
|
mid_scr.x,
|
|
scrn_rect.top );
|
|
|
|
drawOneLine( scrn_rect.right, // Middle tick bar /Index
|
|
mid_scr.y,
|
|
bias_bar.x,
|
|
mid_scr.y );
|
|
|
|
}
|
|
else { // ReadRight
|
|
drawOneLine( bias_bar.x,
|
|
scrn_rect.bottom,
|
|
mid_scr.x,
|
|
scrn_rect.bottom );
|
|
|
|
drawOneLine( bias_bar.x,
|
|
scrn_rect.top,
|
|
mid_scr.x,
|
|
scrn_rect.top );
|
|
|
|
drawOneLine( scrn_rect.left,
|
|
mid_scr.y,
|
|
bias_bar.x,
|
|
mid_scr.y );
|
|
}
|
|
|
|
// Work through from bottom to top of scale. Calculating where to put
|
|
// minor and major ticks.
|
|
|
|
for( i = (int)vmin; i <= (int)vmax; i++ )
|
|
{
|
|
// if( sub_type == LIMIT ) { // Don't show ticks
|
|
condition = (i >= min_val()); // below Minimum value.
|
|
// }
|
|
// else {
|
|
// if( sub_type == NOLIMIT ) {
|
|
// condition = 1;
|
|
// }
|
|
// }
|
|
if( condition ) // Show a tick if necessary
|
|
{
|
|
// Calculate the location of this tick
|
|
marker_y = scrn_rect.bottom + (int)((i - vmin) * factor());
|
|
|
|
// Block calculation artifact from drawing ticks below min coordinate.
|
|
// Calculation here accounts for text height.
|
|
|
|
if( marker_y < (scrn_rect.bottom + 4)) { // Magic number!!!
|
|
continue;
|
|
}
|
|
if( div_min()) {
|
|
if( (i%div_min()) == 0) {
|
|
// if( orientation == ReadLEFT )
|
|
// {
|
|
// drawOneLine( marker_x + 3, marker_y, marker_x + 6, marker_y );
|
|
drawOneLine( bias_bar.x, marker_y, mid_scr.x, marker_y );
|
|
// }
|
|
// else {
|
|
// if( orientation == ReadRIGHT )
|
|
// {
|
|
// drawOneLine( marker_x, marker_y, marker_x + 3, marker_y );
|
|
// drawOneLine( bias_bar.x, marker_y, mid_scr.x, marker_y );
|
|
// }
|
|
// }
|
|
}
|
|
}
|
|
if( div_max()) {
|
|
if( (i%div_max()) == 0 ) {
|
|
// drawOneLine( marker_x, marker_y,
|
|
// marker_x + 6, marker_y );
|
|
if(modulo()) {
|
|
disp_val = i % modulo();
|
|
if( disp_val < 0) {
|
|
disp_val += modulo();
|
|
}
|
|
}
|
|
else {
|
|
disp_val = i;
|
|
}
|
|
sprintf( TextScale, "%d", disp_val );
|
|
if( orientation == ReadLEFT ) {
|
|
drawOneLine( mid_scr.x - 3, marker_y, bias_bar.x, marker_y );
|
|
|
|
textString( marker_x - 8 * strlen(TextScale) - 2, marker_y - 4,
|
|
TextScale, GLUT_BITMAP_8_BY_13 );
|
|
}
|
|
else {
|
|
drawOneLine( mid_scr.x + 3, marker_y, bias_bar.x, marker_y );
|
|
textString( marker_x + 10, marker_y - 4,
|
|
TextScale, GLUT_BITMAP_8_BY_13 );
|
|
} // Else read oriented right
|
|
} // End if modulo division by major interval is zero
|
|
} // End if major interval divisor non-zero
|
|
} // End if condition
|
|
} // End for range of i from vmin to vmax
|
|
} // End if VERTICAL SCALE TYPE
|
|
else { // Horizontal scale by default
|
|
{
|
|
if( orientation == ReadTOP ) {
|
|
bias_bar.y = ((mid_scr.y - scrn_rect.bottom)>>1 ) + scrn_rect.bottom;
|
|
marker_y = bias_bar.y; // Don't use now
|
|
}
|
|
else { // We will assume no other possibility at this time.
|
|
bias_bar.y = ((scrn_rect.top - mid_scr.y)>>1 ) + mid_scr.y;
|
|
marker_y = bias_bar.y; // Don't use now
|
|
}
|
|
|
|
drawOneLine( scrn_rect.left,
|
|
bias_bar.y,
|
|
scrn_rect.right,
|
|
bias_bar.y );
|
|
|
|
if( orientation == ReadTOP )
|
|
{
|
|
drawOneLine( scrn_rect.left,
|
|
bias_bar.y,
|
|
scrn_rect.left,
|
|
mid_scr.y);
|
|
|
|
drawOneLine( scrn_rect.right,
|
|
bias_bar.y,
|
|
scrn_rect.right,
|
|
mid_scr.y );
|
|
|
|
drawOneLine( mid_scr.x,
|
|
scrn_rect.bottom,
|
|
mid_scr.x,
|
|
bias_bar.y );
|
|
|
|
}
|
|
else {
|
|
if( orientation == ReadBOTTOM )
|
|
{
|
|
drawOneLine( scrn_rect.left,
|
|
bias_bar.y,
|
|
scrn_rect.left,
|
|
mid_scr.y );
|
|
|
|
drawOneLine( scrn_rect.right,
|
|
bias_bar.y,
|
|
scrn_rect.right,
|
|
mid_scr.y );
|
|
|
|
drawOneLine( mid_scr.x,
|
|
scrn_rect.top,
|
|
mid_scr.x,
|
|
bias_bar.y );
|
|
}
|
|
}
|
|
|
|
for( i = (int)vmin; i <= (int)vmax; i++ ) // increment is faster than addition
|
|
{
|
|
// if( sub_type == LIMIT ) {
|
|
condition = (i >= min_val());
|
|
// }
|
|
// else {
|
|
// if( sub_type == NOLIMIT ) {
|
|
// condition = 1;
|
|
// }
|
|
// }
|
|
if( condition ) {
|
|
marker_x = scrn_rect.left + (int)((i - vmin) * factor());
|
|
if( div_min()){
|
|
if( (i%(int)div_min()) == 0 ) {
|
|
// if( orientation == ReadTOP )
|
|
// {
|
|
// drawOneLine( marker_x, marker_y, marker_x, marker_y + 3 );
|
|
drawOneLine( marker_x, bias_bar.y, marker_x, mid_scr.y );
|
|
// }
|
|
// else {
|
|
// drawOneLine( marker_x, marker_y + 3, marker_x, marker_y + 6 );
|
|
// drawOneLine( marker_x, bias_bar.y, marker_x, mid_scr.y );
|
|
// }
|
|
}
|
|
}
|
|
if( div_max()) {
|
|
if( (i%(int)div_max())==0 )
|
|
{
|
|
if(modulo()) {
|
|
disp_val = i % modulo();
|
|
if( disp_val < 0) {
|
|
disp_val += modulo();
|
|
}
|
|
}
|
|
else {
|
|
disp_val = i;
|
|
}
|
|
sprintf( TextScale, "%d", disp_val );
|
|
if( orientation == ReadTOP )
|
|
{
|
|
// drawOneLine( marker_x, marker_y, marker_x, marker_y+6 );
|
|
drawOneLine( marker_x, mid_scr.y + 3,marker_x, bias_bar.y );
|
|
textString ( marker_x - 4 * strlen(TextScale), marker_y + 14,
|
|
TextScale, GLUT_BITMAP_8_BY_13 );
|
|
}
|
|
else {
|
|
// drawOneLine( marker_x, marker_y, marker_x, marker_y+6 );
|
|
drawOneLine( marker_x, mid_scr.y - 3,marker_x, bias_bar.y );
|
|
textString ( marker_x - 4 * strlen(TextScale), mid_scr.y - 14,
|
|
TextScale, GLUT_BITMAP_8_BY_13 );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//============== Top of guage_instr class member definitions ==============
|
|
|
|
guage_instr ::
|
|
guage_instr( RECT the_box,
|
|
DBLFNPTR load_fn,
|
|
ReadOriented readway,
|
|
int maxValue,
|
|
int minValue,
|
|
UINT major_divs,
|
|
UINT minor_divs,
|
|
UINT modulus,
|
|
bool working) :
|
|
instr_scale( the_box,
|
|
load_fn, readway,
|
|
maxValue, maxValue, minValue,
|
|
major_divs, minor_divs,
|
|
modulus,
|
|
working)
|
|
{
|
|
}
|
|
|
|
guage_instr ::
|
|
~guage_instr()
|
|
{
|
|
}
|
|
|
|
guage_instr ::
|
|
guage_instr( const guage_instr & image):
|
|
instr_scale( (instr_scale &) image)
|
|
{
|
|
}
|
|
|
|
guage_instr & guage_instr ::
|
|
operator = (const guage_instr & rhs )
|
|
{
|
|
if( !(this == &rhs)) {
|
|
instr_scale::operator = (rhs);
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
// As implemented, draw only correctly draws a horizontal or vertical
|
|
// scale. It should contain a variation that permits clock type displays.
|
|
// Now is supports "tickless" displays such as control surface indicators.
|
|
// This routine should be worked over before using. Current value would be
|
|
// fetched and not used if not commented out. Clearly that is intollerable.
|
|
|
|
void guage_instr :: draw (void)
|
|
{
|
|
int marker_x;
|
|
int marker_y;
|
|
register i;
|
|
char TextScale[80];
|
|
// int condition;
|
|
int disp_val;
|
|
double vmin = min_val();
|
|
double vmax = max_val();
|
|
POINT mid_scr = get_centroid();
|
|
// double cur_value = get_value();
|
|
RECT scrn_rect = get_location();
|
|
ReadOriented orientation = get_orientation();
|
|
|
|
if( (orientation == ReadLEFT) ||( orientation == ReadRIGHT)) // Vertical scale
|
|
{
|
|
mid_scr = get_centroid();
|
|
if( orientation == ReadLEFT ) // Calculate x marker offset
|
|
marker_x = scrn_rect.left - 6;
|
|
else // We'll default this for now.
|
|
marker_x = scrn_rect.right;
|
|
|
|
// Draw the basic markings for the scale...
|
|
|
|
if( orientation == ReadLEFT )
|
|
{
|
|
|
|
drawOneLine( scrn_rect.right - 3, // Bottom tick bar
|
|
scrn_rect.bottom,
|
|
scrn_rect.right,
|
|
scrn_rect.bottom );
|
|
|
|
drawOneLine( scrn_rect.right - 3, // Top tick bar
|
|
scrn_rect.top,
|
|
scrn_rect.right,
|
|
scrn_rect.top );
|
|
}
|
|
else {
|
|
drawOneLine( scrn_rect.right,
|
|
scrn_rect.bottom,
|
|
scrn_rect.right+3,
|
|
scrn_rect.bottom );
|
|
|
|
drawOneLine( scrn_rect.right,
|
|
scrn_rect.top,
|
|
scrn_rect.right+3,
|
|
scrn_rect.top );
|
|
}
|
|
|
|
// Work through from bottom to top of scale. Calculating where to put
|
|
// minor and major ticks.
|
|
|
|
for( i = (int)vmin; i <= (int)vmax; i++ )
|
|
{
|
|
// Calculate the location of this tick
|
|
marker_y = scrn_rect.bottom + (int)((i - vmin) * factor());
|
|
|
|
if( div_min()) {
|
|
if( (i%div_min()) == 0) {
|
|
if( orientation == ReadLEFT )
|
|
{
|
|
drawOneLine( marker_x + 3, marker_y, marker_x + 6, marker_y );
|
|
}
|
|
else {
|
|
drawOneLine( marker_x, marker_y, marker_x + 3, marker_y );
|
|
}
|
|
}
|
|
}
|
|
if( div_max()) {
|
|
if( (i%div_max()) == 0 ) {
|
|
drawOneLine( marker_x, marker_y,
|
|
marker_x + 6, marker_y );
|
|
if(modulo()) {
|
|
disp_val = i % modulo();
|
|
if( disp_val < 0) {
|
|
disp_val += modulo();
|
|
}
|
|
}
|
|
else {
|
|
disp_val = i;
|
|
}
|
|
sprintf( TextScale, "%d", disp_val );
|
|
if( orientation == ReadLEFT ) {
|
|
textString( marker_x - 8 * strlen(TextScale) - 2, marker_y - 4,
|
|
TextScale, GLUT_BITMAP_8_BY_13 );
|
|
}
|
|
else {
|
|
if( orientation == ReadRIGHT ) {
|
|
textString( marker_x + 10, marker_y - 4,
|
|
TextScale, GLUT_BITMAP_8_BY_13 );
|
|
}
|
|
}
|
|
}
|
|
} // End if condition
|
|
} // End for range of i from vmin to vmax
|
|
} // End if VERTICAL SCALE TYPE
|
|
else { // Horizontal scale by default
|
|
{
|
|
if( orientation == ReadTOP ) {
|
|
marker_y = scrn_rect.bottom;
|
|
}
|
|
else {
|
|
if( orientation == ReadBOTTOM ) {
|
|
marker_y = scrn_rect.bottom - 6;
|
|
}
|
|
}
|
|
drawOneLine( scrn_rect.left,
|
|
scrn_rect.bottom,
|
|
scrn_rect.right,
|
|
scrn_rect.bottom );
|
|
|
|
if( orientation == ReadTOP )
|
|
{
|
|
drawOneLine( scrn_rect.left,
|
|
scrn_rect.bottom,
|
|
scrn_rect.left,
|
|
scrn_rect.bottom + 3 );
|
|
|
|
drawOneLine( scrn_rect.right,
|
|
scrn_rect.bottom,
|
|
scrn_rect.right,
|
|
scrn_rect.bottom + 6 );
|
|
}
|
|
else {
|
|
if( orientation == ReadBOTTOM )
|
|
{
|
|
drawOneLine( scrn_rect.left,
|
|
scrn_rect.bottom,
|
|
scrn_rect.left,
|
|
scrn_rect.bottom - 6 );
|
|
|
|
drawOneLine( scrn_rect.right,
|
|
scrn_rect.bottom,
|
|
scrn_rect.right,
|
|
scrn_rect.bottom - 6 );
|
|
}
|
|
}
|
|
|
|
for( i = (int)vmin; i <= (int)vmax; i++ ) // increment is faster than addition
|
|
{
|
|
marker_x = scrn_rect.left + (int)((i - vmin) * factor());
|
|
if( div_min()) {
|
|
if( (i%div_min()) == 0 ) {
|
|
if( orientation == ReadTOP )
|
|
{
|
|
drawOneLine( marker_x, marker_y, marker_x, marker_y + 3 );
|
|
}
|
|
else {
|
|
if( orientation == ReadBOTTOM )
|
|
{
|
|
drawOneLine( marker_x, marker_y + 3, marker_x, marker_y + 6 );
|
|
}
|
|
}
|
|
} // End if minor tick called for.
|
|
} // End if minor ticks are of interest
|
|
if( div_max()) {
|
|
if( (i%div_max())==0 )
|
|
{
|
|
// Modulo implies a "clock" style instrument. Needs work.
|
|
if(modulo()) {
|
|
disp_val = i % modulo();
|
|
if( disp_val < 0) {
|
|
disp_val += modulo();
|
|
}
|
|
}
|
|
else { // Scale doesn't roll around.
|
|
disp_val = i;
|
|
}
|
|
sprintf( TextScale, "%d", disp_val );
|
|
if( orientation == ReadTOP )
|
|
{
|
|
drawOneLine( marker_x, marker_y, marker_x, marker_y+6 );
|
|
textString ( marker_x - 4 * strlen(TextScale), marker_y + 14,
|
|
TextScale, GLUT_BITMAP_8_BY_13 );
|
|
}
|
|
else {
|
|
if( orientation == ReadBOTTOM )
|
|
{
|
|
drawOneLine( marker_x, marker_y, marker_x, marker_y+6 );
|
|
textString ( marker_x - 4 * strlen(TextScale), marker_y - 14,
|
|
TextScale, GLUT_BITMAP_8_BY_13 );
|
|
} // End if bottom
|
|
} // End else if not ReadTOP
|
|
} // End if major division point.
|
|
} // End if major divisions of interest.
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//============ Top of dual_instr_item class member definitions ============
|
|
|
|
dual_instr_item ::
|
|
dual_instr_item ( RECT the_box,
|
|
DBLFNPTR chn1_source,
|
|
DBLFNPTR chn2_source,
|
|
bool working,
|
|
ReadOriented readway ):
|
|
instr_item( the_box, chn1_source, readway, working),
|
|
alt_data_source( chn2_source )
|
|
{
|
|
}
|
|
|
|
dual_instr_item ::
|
|
dual_instr_item( const dual_instr_item & image) :
|
|
instr_item ((instr_item &) image ),
|
|
alt_data_source( image.alt_data_source)
|
|
{
|
|
}
|
|
|
|
dual_instr_item & dual_instr_item ::
|
|
operator = (const dual_instr_item & rhs )
|
|
{
|
|
if( !(this == &rhs)) {
|
|
instr_item::operator = (rhs);
|
|
alt_data_source = rhs.alt_data_source;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
//============ Top of fgTBI_instr class member definitions ==============
|
|
|
|
fgTBI_instr ::
|
|
fgTBI_instr( RECT the_box,
|
|
DBLFNPTR chn1_source,
|
|
DBLFNPTR chn2_source,
|
|
UINT maxBankAngle,
|
|
UINT maxSlipAngle,
|
|
UINT gap_width,
|
|
bool working ) :
|
|
dual_instr_item( the_box,
|
|
chn1_source,
|
|
chn2_source,
|
|
working,
|
|
ReadTOP),
|
|
BankLimit (maxBankAngle),
|
|
SlewLimit (maxSlipAngle),
|
|
scr_hole (gap_width )
|
|
{
|
|
}
|
|
|
|
fgTBI_instr :: ~fgTBI_instr() {}
|
|
|
|
fgTBI_instr :: fgTBI_instr( const fgTBI_instr & image):
|
|
dual_instr_item( (const dual_instr_item &) image),
|
|
BankLimit( image.BankLimit),
|
|
SlewLimit( image.SlewLimit),
|
|
scr_hole ( image.scr_hole )
|
|
{
|
|
}
|
|
|
|
fgTBI_instr & fgTBI_instr ::
|
|
operator = (const fgTBI_instr & rhs )
|
|
{
|
|
if( !(this == &rhs)) {
|
|
dual_instr_item::operator = (rhs);
|
|
BankLimit = rhs.BankLimit;
|
|
SlewLimit = rhs.SlewLimit;
|
|
scr_hole = rhs.scr_hole;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
//
|
|
// Draws a Turn Bank Indicator on the screen
|
|
//
|
|
|
|
void fgTBI_instr :: draw( void )
|
|
{
|
|
int x_inc1, y_inc1;
|
|
int x_inc2, y_inc2;
|
|
int x_t_inc1, y_t_inc1;
|
|
|
|
int d_bottom_x, d_bottom_y;
|
|
int d_right_x, d_right_y;
|
|
int d_top_x, d_top_y;
|
|
int d_left_x, d_left_y;
|
|
|
|
int inc_b_x, inc_b_y;
|
|
int inc_r_x, inc_r_y;
|
|
int inc_t_x, inc_t_y;
|
|
int inc_l_x, inc_l_y;
|
|
RECT My_box = get_location();
|
|
POINT centroid = get_centroid();
|
|
int tee_height = My_box.top - My_box.bottom; // Hack, hack.
|
|
|
|
// struct fgFLIGHT *f = ¤t_aircraft.flight;
|
|
double sin_bank, cos_bank;
|
|
double bank_angle, sideslip_angle;
|
|
double ss_const; // sideslip angle pixels per rad
|
|
|
|
bank_angle = current_ch2(); // Roll limit +/- 30 degrees
|
|
if( bank_angle < -FG_PI_2/3 ) {
|
|
bank_angle = -FG_PI_2/3;
|
|
}else if( bank_angle > FG_PI_2/3 ) {
|
|
bank_angle = FG_PI_2/3;
|
|
}
|
|
sideslip_angle = current_ch1(); // Sideslip limit +/- 20 degrees
|
|
if( sideslip_angle < -FG_PI/9 ) {
|
|
sideslip_angle = -FG_PI/9;
|
|
} else if( sideslip_angle > FG_PI/9 ) {
|
|
sideslip_angle = FG_PI/9;
|
|
}
|
|
|
|
// sin_bank = sin( FG_2PI-FG_Phi );
|
|
// cos_bank = cos( FG_2PI-FG_Phi );
|
|
sin_bank = sin(FG_2PI-bank_angle);
|
|
cos_bank = cos(FG_2PI-bank_angle);
|
|
|
|
x_inc1 = (int)(get_span() * cos_bank);
|
|
y_inc1 = (int)(get_span() * sin_bank);
|
|
x_inc2 = (int)(scr_hole * cos_bank);
|
|
y_inc2 = (int)(scr_hole * sin_bank);
|
|
|
|
x_t_inc1 = (int)(tee_height * sin_bank);
|
|
y_t_inc1 = (int)(tee_height * cos_bank);
|
|
|
|
d_bottom_x = 0;
|
|
d_bottom_y = (int)(-scr_hole);
|
|
d_right_x = (int)(scr_hole);
|
|
d_right_y = 0;
|
|
d_top_x = 0;
|
|
d_top_y = (int)(scr_hole);
|
|
d_left_x = (int)(-scr_hole);
|
|
d_left_y = 0;
|
|
|
|
ss_const = (get_span()*2)/(FG_2PI/9); // width represents 40 degrees
|
|
|
|
d_bottom_x += (int)(sideslip_angle*ss_const);
|
|
d_right_x += (int)(sideslip_angle*ss_const);
|
|
d_left_x += (int)(sideslip_angle*ss_const);
|
|
d_top_x += (int)(sideslip_angle*ss_const);
|
|
|
|
inc_b_x = (int)(d_bottom_x*cos_bank-d_bottom_y*sin_bank);
|
|
inc_b_y = (int)(d_bottom_x*sin_bank+d_bottom_y*cos_bank);
|
|
inc_r_x = (int)(d_right_x*cos_bank-d_right_y*sin_bank);
|
|
inc_r_y = (int)(d_right_x*sin_bank+d_right_y*cos_bank);
|
|
inc_t_x = (int)(d_top_x*cos_bank-d_top_y*sin_bank);
|
|
inc_t_y = (int)(d_top_x*sin_bank+d_top_y*cos_bank);
|
|
inc_l_x = (int)(d_left_x*cos_bank-d_left_y*sin_bank);
|
|
inc_l_y = (int)(d_left_x*sin_bank+d_left_y*cos_bank);
|
|
|
|
if( scr_hole == 0 )
|
|
{
|
|
drawOneLine( centroid.x - x_inc1, centroid.y - y_inc1, \
|
|
centroid.x + x_inc1, centroid.y + y_inc1 );
|
|
}
|
|
else
|
|
{
|
|
drawOneLine( centroid.x - x_inc1, centroid.y - y_inc1, \
|
|
centroid.x - x_inc2, centroid.y - y_inc2 );
|
|
drawOneLine( centroid.x + x_inc2, centroid.y + y_inc2, \
|
|
centroid.x + x_inc1, centroid.y + y_inc1 );
|
|
}
|
|
|
|
// draw teemarks
|
|
drawOneLine( centroid.x + x_inc2, \
|
|
centroid.y + y_inc2, \
|
|
centroid.x + x_inc2 + x_t_inc1, \
|
|
centroid.y + y_inc2 - y_t_inc1 );
|
|
drawOneLine( centroid.x - x_inc2, \
|
|
centroid.y - y_inc2, \
|
|
centroid.x - x_inc2 + x_t_inc1, \
|
|
centroid.y - y_inc2 - y_t_inc1 );
|
|
|
|
// draw sideslip diamond (it is not yet positioned correctly )
|
|
drawOneLine( centroid.x + inc_b_x, \
|
|
centroid.y + inc_b_y, \
|
|
centroid.x + inc_r_x, \
|
|
centroid.y + inc_r_y );
|
|
drawOneLine( centroid.x + inc_r_x, \
|
|
centroid.y + inc_r_y, \
|
|
centroid.x + inc_t_x, \
|
|
centroid.y + inc_t_y );
|
|
drawOneLine( centroid.x + inc_t_x, \
|
|
centroid.y + inc_t_y, \
|
|
centroid.x + inc_l_x, \
|
|
centroid.y + inc_l_y );
|
|
drawOneLine( centroid.x + inc_l_x, \
|
|
centroid.y + inc_l_y, \
|
|
centroid.x + inc_b_x, \
|
|
centroid.y + inc_b_y );
|
|
|
|
}
|
|
|
|
//====================== Top of HudLadder Class =======================
|
|
HudLadder ::
|
|
HudLadder( RECT the_box,
|
|
DBLFNPTR ptch_source,
|
|
DBLFNPTR roll_source,
|
|
UINT span_units,
|
|
int major_div,
|
|
UINT minor_div,
|
|
UINT screen_hole,
|
|
UINT lbl_pos,
|
|
bool working) :
|
|
dual_instr_item( the_box,
|
|
ptch_source,
|
|
roll_source,
|
|
working,
|
|
ReadRIGHT ),
|
|
width_units ( span_units ),
|
|
div_units ( major_div < 0? -major_div: major_div ),
|
|
minor_div ( minor_div ),
|
|
label_pos ( lbl_pos ),
|
|
scr_hole ( screen_hole ),
|
|
vmax ( span_units/2 ),
|
|
vmin ( -vmax )
|
|
{
|
|
if( !width_units ) {
|
|
width_units = 45;
|
|
}
|
|
factor = (double)get_span() / (double) width_units;
|
|
}
|
|
|
|
HudLadder ::
|
|
~HudLadder()
|
|
{
|
|
}
|
|
|
|
HudLadder ::
|
|
HudLadder( const HudLadder & image ) :
|
|
dual_instr_item( (dual_instr_item &) image),
|
|
width_units ( image.width_units ),
|
|
div_units ( image.div_units ),
|
|
label_pos ( image.label_pos ),
|
|
scr_hole ( image.scr_hole ),
|
|
vmax ( image.vmax ),
|
|
vmin ( image.vmin ),
|
|
factor ( image.factor )
|
|
{
|
|
}
|
|
HudLadder & HudLadder ::
|
|
operator = ( const HudLadder & rhs )
|
|
{
|
|
if( !(this == &rhs)) {
|
|
(dual_instr_item &)(*this) = (dual_instr_item &)rhs;
|
|
width_units = rhs.width_units;
|
|
div_units = rhs.div_units;
|
|
label_pos = rhs.label_pos;
|
|
scr_hole = rhs.scr_hole;
|
|
vmax = rhs.vmax;
|
|
vmin = rhs.vmin;
|
|
factor = rhs.factor;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
//
|
|
// Draws a climb ladder in the center of the HUD
|
|
//
|
|
|
|
void HudLadder :: draw( void )
|
|
{
|
|
double roll_value, pitch_value;
|
|
// int marker_x;
|
|
int marker_y;
|
|
int scr_min;
|
|
// int scr_max;
|
|
int x_ini, x_end;
|
|
int y_ini, y_end;
|
|
int new_x_ini, new_x_end;
|
|
int new_y_ini, new_y_end;
|
|
register i;
|
|
POINT centroid = get_centroid();
|
|
RECT box = get_location();
|
|
int half_span = (box.right - box.left) >> 1;
|
|
char TextLadder[80];
|
|
int condition;
|
|
|
|
roll_value = current_ch2();
|
|
pitch_value = current_ch1() * RAD_TO_DEG;
|
|
|
|
vmin = (int)(pitch_value - (double)width_units/2.0);
|
|
vmax = (int)(pitch_value + (double)width_units/2.0);
|
|
|
|
scr_min = box.bottom; // centroid.y - ((box.top - box.bottom) >> 1);
|
|
// scr_max = box.top; // scr_min + (box.top - box.bottom);
|
|
// marker_x = centroid.x - half_span;
|
|
|
|
// Box the target.
|
|
drawOneLine( centroid.x - 5, centroid.y, centroid.x, centroid.y + 5);
|
|
drawOneLine( centroid.x, centroid.y + 5, centroid.x + 5, centroid.y);
|
|
drawOneLine( centroid.x + 5, centroid.y, centroid.x, centroid.y - 5);
|
|
drawOneLine( centroid.x, centroid.y - 5, centroid.x - 5, centroid.y);
|
|
|
|
for( i=(int)vmin; i<=(int)vmax; i+=1 )
|
|
{
|
|
condition = 1;
|
|
if( condition )
|
|
{
|
|
marker_y = scr_min + (int)((i-vmin)*factor);
|
|
if( div_units ) {
|
|
if( i%div_units==0 )
|
|
{
|
|
sprintf( TextLadder, "%d", i );
|
|
if( scr_hole == 0 )
|
|
{
|
|
if( i ) {
|
|
x_ini = centroid.x - half_span;
|
|
}
|
|
else {
|
|
x_ini = centroid.x - half_span - 10;
|
|
}
|
|
y_ini = marker_y;
|
|
x_end = centroid.x + half_span;
|
|
y_end = marker_y;
|
|
new_x_ini = centroid.x + (int)( \
|
|
(x_ini - centroid.x) * cos(roll_value) - \
|
|
(y_ini - centroid.y) * sin(roll_value));
|
|
new_y_ini = centroid.y + (int)( \
|
|
(x_ini - centroid.x) * sin(roll_value) + \
|
|
(y_ini - centroid.y) * cos(roll_value));
|
|
new_x_end = centroid.x + (int)( \
|
|
(x_end - centroid.x) * cos(roll_value) - \
|
|
(y_end - centroid.y) * sin(roll_value));
|
|
new_y_end = centroid.y + (int)( \
|
|
(x_end - centroid.x) * sin(roll_value) + \
|
|
(y_end - centroid.y) * cos(roll_value));
|
|
|
|
if( i >= 0 )
|
|
{
|
|
drawOneLine( new_x_ini, new_y_ini, new_x_end, new_y_end );
|
|
}
|
|
else
|
|
{
|
|
glEnable(GL_LINE_STIPPLE);
|
|
glLineStipple( 1, 0x00FF );
|
|
drawOneLine( new_x_ini, new_y_ini, new_x_end, new_y_end );
|
|
glDisable(GL_LINE_STIPPLE);
|
|
}
|
|
textString( new_x_ini - 8 * strlen(TextLadder) - 8,
|
|
new_y_ini - 4,
|
|
TextLadder, GLUT_BITMAP_8_BY_13 );
|
|
textString( new_x_end + 10,
|
|
new_y_end - 4,
|
|
TextLadder, GLUT_BITMAP_8_BY_13 );
|
|
}
|
|
else
|
|
{
|
|
if( i != 0 ) {
|
|
x_ini = centroid.x - half_span;
|
|
}
|
|
else {
|
|
x_ini = centroid.x - half_span - 10;
|
|
}
|
|
y_ini = marker_y;
|
|
x_end = centroid.x - half_span + scr_hole/2;
|
|
y_end = marker_y;
|
|
new_x_ini = centroid.x+ (int)( \
|
|
(x_ini - centroid.x) * cos(roll_value) -\
|
|
(y_ini - centroid.y) * sin(roll_value));
|
|
new_y_ini = centroid.y+ (int)( \
|
|
(x_ini - centroid.x) * sin(roll_value) +\
|
|
(y_ini - centroid.y) * cos(roll_value));
|
|
new_x_end = centroid.x+ (int)( \
|
|
(x_end - centroid.x) * cos(roll_value) -\
|
|
(y_end - centroid.y) * sin(roll_value));
|
|
new_y_end = centroid.y+ (int)( \
|
|
(x_end - centroid.x) * sin(roll_value) +\
|
|
(y_end - centroid.y) * cos(roll_value));
|
|
|
|
if( i >= 0 )
|
|
{
|
|
drawOneLine( new_x_ini, new_y_ini, new_x_end, new_y_end );
|
|
}
|
|
else
|
|
{
|
|
glEnable(GL_LINE_STIPPLE);
|
|
glLineStipple( 1, 0x00FF );
|
|
drawOneLine( new_x_ini, new_y_ini, new_x_end, new_y_end );
|
|
glDisable(GL_LINE_STIPPLE);
|
|
}
|
|
textString( new_x_ini - 8 * strlen(TextLadder) - 8,
|
|
new_y_ini - 4,
|
|
TextLadder, GLUT_BITMAP_8_BY_13 );
|
|
|
|
x_ini = centroid.x + half_span - scr_hole/2;
|
|
y_ini = marker_y;
|
|
if( i != 0 ) {
|
|
x_end = centroid.x + half_span;
|
|
}
|
|
else {
|
|
x_end = centroid.x + half_span + 10;
|
|
}
|
|
y_end = marker_y;
|
|
new_x_ini = centroid.x + (int)( \
|
|
(x_ini-centroid.x)*cos(roll_value) -\
|
|
(y_ini-centroid.y)*sin(roll_value));
|
|
new_y_ini = centroid.y + (int)( \
|
|
(x_ini-centroid.x)*sin(roll_value) +\
|
|
(y_ini-centroid.y)*cos(roll_value));
|
|
new_x_end = centroid.x + (int)( \
|
|
(x_end-centroid.x)*cos(roll_value) -\
|
|
(y_end-centroid.y)*sin(roll_value));
|
|
new_y_end = centroid.y + (int)( \
|
|
(x_end-centroid.x)*sin(roll_value) +\
|
|
(y_end-centroid.y)*cos(roll_value));
|
|
|
|
if( i >= 0 )
|
|
{
|
|
drawOneLine( new_x_ini, new_y_ini, new_x_end, new_y_end );
|
|
}
|
|
else
|
|
{
|
|
glEnable(GL_LINE_STIPPLE);
|
|
glLineStipple( 1, 0x00FF );
|
|
drawOneLine( new_x_ini, new_y_ini, new_x_end, new_y_end );
|
|
glDisable(GL_LINE_STIPPLE);
|
|
}
|
|
textString( new_x_end+10, new_y_end-4,
|
|
TextLadder, GLUT_BITMAP_8_BY_13 );
|
|
}
|
|
}
|
|
}
|
|
/* if( i%div_max()==0 )
|
|
{
|
|
drawOneLine( marker_x, marker_y, marker_x+6, marker_y );
|
|
sprintf( TextScale, "%d", i );
|
|
if( orientation == LEFT )
|
|
{
|
|
textString( marker_x-8*strlen(TextScale)-2, marker_y-4,
|
|
TextScale, GLUT_BITMAP_8_BY_13 );
|
|
}
|
|
else if( orientation == RIGHT )
|
|
{
|
|
textString( marker_x+10, marker_y-4,
|
|
TextScale, GLUT_BITMAP_8_BY_13 );
|
|
}
|
|
} */
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
//========================= End of Class Implementations===================
|
|
// fgHUDInit
|
|
//
|
|
// Constructs a HUD object and then adds in instruments. At the present
|
|
// the instruments are hard coded into the routine. Ultimately these need
|
|
// to be defined by the aircraft's instrumentation records so that the
|
|
// display for a Piper Cub doesn't show the speed range of a North American
|
|
// mustange and the engine readouts of a B36!
|
|
//
|
|
|
|
#define INSTRDEFS 16
|
|
|
|
int fgHUDInit( fgAIRCRAFT * /* current_aircraft */ )
|
|
{
|
|
instr_item *HIptr;
|
|
int index;
|
|
RECT loc;
|
|
|
|
fgPrintf( FG_COCKPIT, FG_INFO, "Initializing current aircraft HUD\n" );
|
|
|
|
HUD_deque.erase( HUD_deque.begin(), HUD_deque.end()); // empty the HUD deque
|
|
|
|
// hud->code = 1;
|
|
// hud->status = 0;
|
|
|
|
// For now lets just hardcode the hud here.
|
|
// In the future, hud information has to come from the same place
|
|
// aircraft information came from.
|
|
|
|
// fgHUDSetTimeMode( hud, NIGHT );
|
|
// fgHUDSetBrightness( hud, BRT_LIGHT );
|
|
|
|
for( index = 0; index <= INSTRDEFS; index++) {
|
|
switch ( index ) {
|
|
case 0: // TBI
|
|
// fgHUDAddHorizon( hud, 330, 100, 40, 5, 10, get_roll, get_sideslip );
|
|
loc.left = 330 - 40;
|
|
loc.top = 110;
|
|
loc.right = 330 + 40;
|
|
loc.bottom = 100;
|
|
HIptr = (instr_item *) new fgTBI_instr( loc );
|
|
break;
|
|
|
|
case 1: // Artificial Horizon
|
|
// fgHUDAddLadder ( hud, 330, 285, 120, 180, 70, 10,
|
|
// NONE, 45, get_roll, get_pitch );
|
|
loc.left = 270; // 330 - 60
|
|
loc.top = 375; // 285 + 90
|
|
loc.right = 390; // 330 + 60
|
|
loc.bottom = 195; // 285 - 90
|
|
HIptr = (instr_item *) new HudLadder( loc );
|
|
break;
|
|
|
|
case 2: // KIAS
|
|
// fgHUDAddScale ( hud, VERTICAL, LIMIT, 200, 180, 380, 5, 10,
|
|
// LEFT, 0, 100, 50, 0, get_speed );
|
|
loc.left = 160;
|
|
loc.top = 380;
|
|
loc.right = 200;
|
|
loc.bottom = 180;
|
|
HIptr = (instr_item *) new moving_scale( loc,
|
|
get_speed,
|
|
ReadLEFT,
|
|
200, 0,
|
|
10, 5,
|
|
0,
|
|
50.0,
|
|
TRUE);
|
|
break;
|
|
|
|
case 3: // Angle of Attack
|
|
// fgHUDAddScale ( hud, HORIZONTAL, NOLIMIT, 180, 250, 410, 1, 5,
|
|
// BOTTOM, -40, 50, 21, 0, get_aoa );
|
|
loc.left = 250;
|
|
loc.top = 190;
|
|
loc.right = 410;
|
|
loc.bottom = 160;
|
|
HIptr = (instr_item *) new moving_scale( loc,
|
|
get_aoa,
|
|
ReadBOTTOM,
|
|
50, -40,
|
|
5, 1,
|
|
0,
|
|
21.0,
|
|
TRUE);
|
|
break;
|
|
|
|
case 4: // GYRO COMPASS
|
|
// fgHUDAddScale ( hud, HORIZONTAL, NOLIMIT, 380, 200, 460, 5, 10,
|
|
// TOP, 0, 50, 50, 360, get_heading );
|
|
loc.left = 200;
|
|
loc.top = 410;
|
|
loc.right = 460;
|
|
loc.bottom = 380;
|
|
HIptr = (instr_item *) new moving_scale( loc,
|
|
get_heading,
|
|
ReadTOP,
|
|
360, 0,
|
|
10, 5,
|
|
360,
|
|
50,
|
|
TRUE);
|
|
break;
|
|
|
|
case 5: // AMSL
|
|
// fgHUDAddScale ( hud, VERTICAL, LIMIT, 460, 180, 380, 25, 100,
|
|
// RIGHT, 0, 15000, 250, 0, get_altitude);
|
|
loc.left = 460;
|
|
loc.top = 380;
|
|
loc.right = 490;
|
|
loc.bottom = 180;
|
|
HIptr = (instr_item *) new moving_scale( loc,
|
|
get_altitude,
|
|
ReadRIGHT,
|
|
15000, 0,
|
|
100, 25,
|
|
0,
|
|
250,
|
|
TRUE);
|
|
break;
|
|
|
|
case 6: // Digital KIAS
|
|
// fgHUDAddLabel ( hud, 160, 150, SMALL, NOBLINK,
|
|
// RIGHT_JUST, NULL, " Kts", "%5.0f", get_speed );
|
|
loc.left = 160;
|
|
loc.top = 180; // Ignore
|
|
loc.right = 200; // Ignore
|
|
loc.bottom = 150;
|
|
HIptr = (instr_item *) new instr_label ( loc,
|
|
get_speed,
|
|
"%5.0f",
|
|
NULL,
|
|
" Kts",
|
|
ReadTOP,
|
|
RIGHT_JUST,
|
|
SMALL,
|
|
0,
|
|
TRUE );
|
|
break;
|
|
|
|
case 7: // Digital Altimeter
|
|
// fgHUDAddLabel ( hud, 160, 135, SMALL, NOBLINK,
|
|
// RIGHT_JUST, NULL, " m", "%5.0f", get_altitude );
|
|
loc.left = 160;
|
|
loc.top = 145; // Ignore
|
|
loc.right = 200; // Ignore
|
|
loc.bottom = 135;
|
|
HIptr = (instr_item *) new instr_label ( loc,
|
|
get_altitude,
|
|
"MSL %5.0f",
|
|
NULL,
|
|
" m",
|
|
ReadTOP,
|
|
LEFT_JUST,
|
|
SMALL,
|
|
0,
|
|
TRUE );
|
|
break;
|
|
|
|
case 8: // Roll indication diagnostic
|
|
// fgHUDAddLabel ( hud, 160, 120, SMALL, NOBLINK,
|
|
// RIGHT_JUST, NULL, " Roll", "%5.2f", get_roll );
|
|
loc.left = 160;
|
|
loc.top = 130; // Ignore
|
|
loc.right = 200; // Ignore
|
|
loc.bottom = 120;
|
|
HIptr = (instr_item *) new instr_label ( loc,
|
|
get_roll,
|
|
"%5.2f",
|
|
" Roll",
|
|
" Deg",
|
|
ReadTOP,
|
|
RIGHT_JUST,
|
|
SMALL,
|
|
0,
|
|
TRUE );
|
|
break;
|
|
|
|
case 9: // Angle of attack diagnostic
|
|
// fgHUDAddLabel ( hud, 440, 150, SMALL, NOBLINK,
|
|
// RIGHT_JUST, NULL, " AOA", "%5.2f", get_aoa );
|
|
loc.left = 440;
|
|
loc.top = 160; // Ignore
|
|
loc.right = 500; // Ignore
|
|
loc.bottom = 150;
|
|
HIptr = (instr_item *) new instr_label ( loc,
|
|
get_aoa,
|
|
" %5.2f",
|
|
" AOA",
|
|
" Deg",
|
|
ReadTOP,
|
|
RIGHT_JUST,
|
|
SMALL,
|
|
0,
|
|
TRUE );
|
|
break;
|
|
|
|
case 10:
|
|
// fgHUDAddLabel ( hud, 440, 135, SMALL, NOBLINK,
|
|
// RIGHT_JUST, NULL, " Heading", "%5.0f", get_heading );
|
|
loc.left = 440;
|
|
loc.top = 145; // Ignore
|
|
loc.right = 500; // Ignore
|
|
loc.bottom = 135;
|
|
HIptr = (instr_item *) new instr_label ( loc,
|
|
get_heading,
|
|
"%5.0f",
|
|
"Heading",
|
|
" Deg",
|
|
ReadTOP,
|
|
RIGHT_JUST,
|
|
SMALL,
|
|
0,
|
|
TRUE );
|
|
break;
|
|
|
|
case 11:
|
|
// fgHUDAddLabel ( hud, 440, 120, SMALL, NOBLINK,
|
|
// RIGHT_JUST, NULL, " Sideslip", "%5.2f", get_sideslip );
|
|
loc.left = 440;
|
|
loc.top = 130; // Ignore
|
|
loc.right = 500; // Ignore
|
|
loc.bottom = 120;
|
|
HIptr = (instr_item *) new instr_label ( loc,
|
|
get_sideslip,
|
|
"%5.2f",
|
|
"Sideslip ",
|
|
NULL,
|
|
ReadTOP,
|
|
RIGHT_JUST,
|
|
SMALL,
|
|
0,
|
|
TRUE );
|
|
break;
|
|
|
|
case 12:
|
|
loc.left = 440;
|
|
loc.top = 90; // Ignore
|
|
loc.right = 440; // Ignore
|
|
loc.bottom = 90;
|
|
HIptr = (instr_item *) new instr_label( loc, get_throttleval,
|
|
"%.2f",
|
|
"Throttle ",
|
|
NULL,
|
|
ReadTOP,
|
|
RIGHT_JUST,
|
|
SMALL,
|
|
0,
|
|
TRUE );
|
|
break;
|
|
|
|
case 13:
|
|
loc.left = 440;
|
|
loc.top = 70; // Ignore
|
|
loc.right = 500; // Ignore
|
|
loc.bottom = 75;
|
|
HIptr = (instr_item *) new instr_label( loc, get_elevatorval,
|
|
"%5.2f",
|
|
"Elevator",
|
|
NULL,
|
|
ReadTOP,
|
|
RIGHT_JUST,
|
|
SMALL,
|
|
0,
|
|
TRUE );
|
|
break;
|
|
|
|
case 14:
|
|
loc.left = 440;
|
|
loc.top = 100; // Ignore
|
|
loc.right = 500; // Ignore
|
|
loc.bottom = 60;
|
|
HIptr = (instr_item *) new instr_label( loc, get_aileronval,
|
|
"%5.2f",
|
|
"Aileron",
|
|
NULL,
|
|
ReadTOP,
|
|
RIGHT_JUST,
|
|
SMALL,
|
|
0,
|
|
TRUE );
|
|
break;
|
|
|
|
case 15:
|
|
loc.left = 10;
|
|
loc.top = 100; // Ignore
|
|
loc.right = 500; // Ignore
|
|
loc.bottom = 10;
|
|
HIptr = (instr_item *) new instr_label( loc, get_frame_rate,
|
|
"%.1f",
|
|
"Frame rate = ",
|
|
NULL,
|
|
ReadTOP,
|
|
RIGHT_JUST,
|
|
SMALL,
|
|
0,
|
|
TRUE );
|
|
break;
|
|
|
|
case 16:
|
|
loc.left = 10;
|
|
loc.top = 100; // Ignore
|
|
loc.right = 500; // Ignore
|
|
loc.bottom = 25;
|
|
HIptr = (instr_item *) new instr_label( loc, get_fov,
|
|
"%.1f",
|
|
"FOV = ",
|
|
NULL,
|
|
ReadTOP,
|
|
RIGHT_JUST,
|
|
SMALL,
|
|
0,
|
|
TRUE );
|
|
break;
|
|
|
|
// fgHUDAddControlSurfaces( hud, 10, 10, NULL );
|
|
// loc.left = 250;
|
|
// loc.top = 190;
|
|
// loc.right = 410;
|
|
// loc.bottom = 180;
|
|
// HIptr = (instr_item *) new
|
|
// break;
|
|
|
|
default:;
|
|
}
|
|
if( HIptr ) { // Anything to install?
|
|
HUD_deque.insert( HUD_deque.begin(), HIptr);
|
|
}
|
|
}
|
|
|
|
// fgHUDAddControl( hud, HORIZONTAL, 50, 25, get_aileronval ); // was 10, 10
|
|
// fgHUDAddControl( hud, VERTICAL, 150, 25, get_elevatorval ); // was 10, 10
|
|
// fgHUDAddControl( hud, HORIZONTAL, 250, 25, get_rudderval ); // was 10, 10
|
|
return 0; // For now. Later we may use this for an error code.
|
|
}
|
|
|
|
|
|
// 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++.
|
|
//
|
|
int global_day_night_switch = DAY;
|
|
|
|
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);
|
|
|
|
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);
|
|
}
|
|
}
|
|
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();
|
|
}
|
|
|
|
/* $Log$
|
|
/* Revision 1.9 1998/05/16 13:04:14 curt
|
|
/* New updates from Charlie Hotchkiss.
|
|
/*
|
|
* Revision 1.8 1998/05/13 18:27:54 curt
|
|
* Added an fov to hud display.
|
|
*
|
|
* Revision 1.7 1998/05/11 18:13:11 curt
|
|
* Complete C++ rewrite of all cockpit code by Charlie Hotchkiss.
|
|
*
|
|
* Revision 1.22 1998/04/18 04:14:02 curt
|
|
* Moved fg_debug.c to it's own library.
|
|
*
|
|
* Revision 1.21 1998/04/03 21:55:28 curt
|
|
* Converting to Gnu autoconf system.
|
|
* Tweaks to hud.c
|
|
*
|
|
* Revision 1.20 1998/03/09 22:48:40 curt
|
|
* Minor "formatting" tweaks.
|
|
*
|
|
* Revision 1.19 1998/02/23 20:18:28 curt
|
|
* Incorporated Michele America's hud changes.
|
|
*
|
|
* Revision 1.18 1998/02/21 14:53:10 curt
|
|
* Added Charlie's HUD changes.
|
|
*
|
|
* Revision 1.17 1998/02/20 00:16:21 curt
|
|
* Thursday's tweaks.
|
|
*
|
|
* Revision 1.16 1998/02/19 13:05:49 curt
|
|
* Incorporated some HUD tweaks from Michelle America.
|
|
* Tweaked the sky's sunset/rise colors.
|
|
* Other misc. tweaks.
|
|
*
|
|
* Revision 1.15 1998/02/16 13:38:39 curt
|
|
* Integrated changes from Charlie Hotchkiss.
|
|
*
|
|
* Revision 1.14 1998/02/12 21:59:41 curt
|
|
* Incorporated code changes contributed by Charlie Hotchkiss
|
|
* <chotchkiss@namg.us.anritsu.com>
|
|
*
|
|
* Revision 1.12 1998/02/09 15:07:48 curt
|
|
* Minor tweaks.
|
|
*
|
|
* Revision 1.11 1998/02/07 15:29:34 curt
|
|
* Incorporated HUD changes and struct/typedef changes from Charlie Hotchkiss
|
|
* <chotchkiss@namg.us.anritsu.com>
|
|
*
|
|
* Revision 1.10 1998/02/03 23:20:14 curt
|
|
* Lots of little tweaks to fix various consistency problems discovered by
|
|
* Solaris' CC. Fixed a bug in fg_debug.c with how the fgPrintf() wrapper
|
|
* passed arguments along to the real printf(). Also incorporated HUD changes
|
|
* by Michele America.
|
|
*
|
|
* Revision 1.9 1998/01/31 00:43:04 curt
|
|
* Added MetroWorks patches from Carmen Volpe.
|
|
*
|
|
* Revision 1.8 1998/01/27 00:47:51 curt
|
|
* Incorporated Paul Bleisch's <bleisch@chromatic.com> new debug message
|
|
* system and commandline/config file processing code.
|
|
*
|
|
* Revision 1.7 1998/01/19 18:40:20 curt
|
|
* Tons of little changes to clean up the code and to remove fatal errors
|
|
* when building with the c++ compiler.
|
|
*
|
|
* Revision 1.6 1997/12/15 23:54:34 curt
|
|
* Add xgl wrappers for debugging.
|
|
* Generate terrain normals on the fly.
|
|
*
|
|
* Revision 1.5 1997/12/10 22:37:39 curt
|
|
* Prepended "fg" on the name of all global structures that didn't have it yet.
|
|
* i.e. "struct WEATHER {}" became "struct fgWEATHER {}"
|
|
*
|
|
* Revision 1.4 1997/09/23 00:29:32 curt
|
|
* Tweaks to get things to compile with gcc-win32.
|
|
*
|
|
* Revision 1.3 1997/09/05 14:17:26 curt
|
|
* More tweaking with stars.
|
|
*
|
|
* Revision 1.2 1997/09/04 02:17:30 curt
|
|
* Shufflin' stuff.
|
|
*
|
|
* Revision 1.1 1997/08/29 18:03:22 curt
|
|
* Initial revision.
|
|
*
|
|
*/
|