-/**************************************************************************
- * hud.cxx -- hud defines and prototypes
- *
- * Written by Michele America, started September 1997.
- *
- * Copyright (C) 1997 Michele F. America - micheleamerica@geocities.com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * $Id$
- * (Log is kept at end of this file)
- **************************************************************************/
+// hud.cxx -- hud defines and prototypes
+//
+// Written by Michele America, started September 1997.
+//
+// Copyright (C) 1997 Michele F. America - micheleamerica@geocities.com
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+// $Id$
+// (Log is kept at end of this file)
#ifdef HAVE_CONFIG_H
# include <values.h> // for MAXINT
#endif
-#include <Aircraft/aircraft.h>
-#include <Debug/fg_debug.h>
+#include <Aircraft/aircraft.hxx>
+#include <Debug/logstream.hxx>
#include <Include/fg_constants.h>
+#include <Main/options.hxx>
#include <Math/fg_random.h>
#include <Math/mat3.h>
-#include <Math/polar3d.h>
+#include <Math/polar3d.hxx>
#include <Scenery/scenery.hxx>
#include <Time/fg_timer.hxx>
-#include <Weather/weather.h>
+
+#if defined ( __sun__ ) || defined ( __sgi )
+extern "C" {
+ extern void *memmove(void *, const void *, size_t);
+}
+#endif
#include "hud.hxx"
+
+static char units[5];
+
// The following routines obtain information concerntin the aircraft's
// current state and return it to calling instrument display routines.
// They should eventually be member functions of the aircraft.
//
-//using namespace std;
-
-/*
-
-class instr_ptr {
- private:
- instr_item *pHI;
-
- public:
- instr_ptr ( instr_item * pHudInstr = 0) : pHI( pHudInstr){}
- ~instr_ptr() { if( pHI ) delete pHI; }
- instr_ptr & operator = (const instr_ptr & rhs);
- instr_ptr( const instr_ptr & image );
-}
-
-instr_ptr &
-instr_ptr ::
-operator = ( const instr_ptr & rhs )
-{
- if( !(this == &rhs )) {
- pHI = new instr_item( *(rhs.pHI));
- }
- return *this;
-}
-
-instr_ptr ::
-instr_ptr ( const instr_ptr & image ) :
-{
- pHI = new instr_item( *(image.pHI));
-}
-*/
deque< instr_item * > HUD_deque;
class locRECT {
}
// #define DEBUG
-// #define drawOneLine(x1,y1,x2,y2) glBegin(GL_LINES);
-// glVertex2f ((x1),(y1)); glVertex2f ((x2),(y2)); glEnd();
-//
-
void drawOneLine( UINT x1, UINT y1, UINT x2, UINT y2)
{
glBegin(GL_LINES);
//
/* textString - Bitmap font string */
-static void textString(int x, int y, char *msg, void *font)
-{
+void textString( int x, int y, char *msg, void *font ){
glRasterPos2f(x, y);
while (*msg) {
glutBitmapCharacter(font, *msg);
}
/* strokeString - Stroke font string */
-/*
-static void strokeString(int x, int y, char *msg, void *font)
+
+void strokeString(int x, int y, char *msg, void *font, float theta)
{
+int xx;
+int yy;
+
glPushMatrix();
- glTranslatef(x, y, 0);
- glScalef(.04, .04, .04);
+ glRotatef(theta * RAD_TO_DEG, 0.0, 0.0, 1.0);
+ xx = (int)(x * cos(theta) + y * sin( theta ));
+ yy = (int)(y * cos(theta) - x * sin( theta ));
+ glTranslatef( xx, yy, 0);
+ glScalef(.1, .1, 0.0);
while (*msg) {
glutStrokeCharacter(font, *msg);
msg++;
}
glPopMatrix();
}
-*/
-
-
-
-// Abstract Base Class instr_item
-//
-UINT instr_item :: instances; // Initial value of zero
-
-// constructor ( No default provided )
-
-instr_item ::
- instr_item( RECT scr_pos,
- DBLFNPTR data_source,
- ReadOriented orientation,
- bool working) :
- handle ( ++instances ),
- scrn_pos ( scr_pos ),
- load_value_fn ( data_source ),
- oriented ( orientation ),
- is_enabled ( working ),
- broken ( FALSE ),
- brightness ( BRT_DARK )
-{
-int hitemp, widetemp;
-int xtemp;
-
- // Check for inverted rect coords. We must have top/right > bottom
- // left corners or derived classes will draw their boxes very oddly.
- // This is the only place we can reliably validate this data. Note
- // that the box may be entirely or partly located off the screen.
- // This needs consideration and possibly a member function to move
- // the box, a keen idea for supporting "editing" of the HUD.
- if( scrn_pos.top < scrn_pos.bottom ) {
- xtemp = scrn_pos.bottom;
- scrn_pos.bottom = scrn_pos.top;
- scrn_pos.top = xtemp;
- }
- if( scrn_pos.left > scrn_pos.right ) {
- xtemp = scrn_pos.left;
- scrn_pos.left = scrn_pos.right;
- scrn_pos.right = xtemp;
- }
-
- // Insure that the midpoint marker will fall exactly at the
- // middle of the bar.
- if( !((scr_pos.top-scr_pos.bottom) % 2)) {
- scrn_pos.top++;
- }
- if( !((scr_pos.right - scr_pos.left ) % 2)) {
- scrn_pos.right++;
- }
- // Set up convenience values for centroid of the box and
- // the span values according to orientation
-
- hitemp = scr_pos.top - scr_pos.bottom;
- widetemp = scr_pos.right - scr_pos.left;
- if((orientation == ReadTOP) || (orientation == ReadBOTTOM)) {
- scr_span = widetemp;
- }
- else {
- scr_span = hitemp;
- }
- // Here we work out the centroid for the corrected box.
- mid_span.x = scr_pos.left + ((scr_pos.right - scr_pos.left) >> 1);
- mid_span.y = scr_pos.bottom + ((scr_pos.top - scr_pos.bottom) >> 1);
-}
-
-// copy constructor
-instr_item ::
- instr_item ( const instr_item & image ):
- handle ( ++instances ),
- scrn_pos ( image.scrn_pos ),
- load_value_fn( image.load_value_fn),
- oriented ( image.oriented ),
- is_enabled ( image.is_enabled ),
- broken ( image.broken ),
- brightness ( image.brightness ),
- scr_span ( image.scr_span ),
- mid_span ( image.mid_span )
-{
-}
-
-// assignment operator
-
-instr_item & instr_item :: operator = ( const instr_item & rhs )
-{
- if( !(this == &rhs )) { // Not an identity assignment
- scrn_pos = rhs.scrn_pos;
- load_value_fn = rhs.load_value_fn;
- oriented = rhs.oriented;
- is_enabled = rhs.is_enabled;
- broken = rhs.broken;
- brightness = rhs.brightness;
- }
- return *this;
-}
-
-// destructor
-
-instr_item :: ~instr_item ()
-{
- if( instances ) {
- instances--;
- }
-}
-
-void instr_item ::
- update( void )
-{
-}
-
-// break_display This is emplaced to provide hooks for making
-// instruments unreliable. The default behavior is
-// to simply not display, but more sophisticated behavior is available
-// by over riding the function which is virtual in this class.
-
-void instr_item ::
- break_display ( bool bad )
-{
- broken = !!bad;
- is_enabled = FALSE;
-}
-
-void instr_item ::
- SetBrightness ( int level )
-{
- brightness = level; // This is all we will do for now. Later the
- // brightness levels will be sensitive both to
- // the control knob and the outside light levels
- // to emulated night vision effects.
-}
-
-UINT instr_item :: get_Handle( void )
-{
- return handle;
-}
-
-//======================= Top of instr_label class =========================
-instr_label ::
- instr_label( RECT region,
- DBLFNPTR data_source,
- const char *label_format,
- const char *pre_label_string,
- const char *post_label_string,
- ReadOriented orientation,
- fgLabelJust justification,
- int font_size,
- int blinking,
- bool working ):
- instr_item( region, data_source,
- orientation, working ),
- pformat ( label_format ),
- pre_str ( pre_label_string ),
- post_str ( post_label_string ),
- justify ( justification ),
- fontSize ( font_size ),
- blink ( blinking )
-{
-}
-
-// I put this in to make it easy to construct a class member using the current
-// C code.
-
-
-instr_label :: ~instr_label()
-{
-}
-
-// Copy constructor
-instr_label :: instr_label( const instr_label & image) :
- instr_item((const instr_item &)image),
- pformat ( image.pformat ),
- pre_str ( image.pre_str ),
- post_str ( image.post_str ),
- blink ( image.blink )
-{
-}
-
-instr_label & instr_label ::operator = (const instr_label & rhs )
-{
- if( !(this == &rhs)) {
- instr_item::operator = (rhs);
- pformat = rhs.pformat;
- fontSize = rhs.fontSize;
- blink = rhs.blink;
- justify = rhs.justify;
- pre_str = rhs.pre_str;
- post_str = rhs.post_str;
- }
- return *this;
-}
-
-
-//
-// draw Draws a label anywhere in the HUD
-//
-//
-void instr_label ::
-draw( void ) // Required method in base class
-{
- char format_buffer[80];
- char label_buffer[80];
- int posincr;
- int lenstr;
- RECT scrn_rect = get_location();
-
- if( pre_str != NULL) {
- if( post_str != NULL ) {
- sprintf( format_buffer, "%s%s%s", pre_str, pformat, post_str );
- }
- else {
- sprintf( format_buffer, "%s%s", pre_str, pformat );
- }
- }
- else {
- if( post_str != NULL ) {
- sprintf( format_buffer, "%s%s", pformat, post_str );
- }
- } // else do nothing if both pre and post strings are nulls. Interesting.
-
- sprintf( label_buffer, format_buffer, get_value() );
-#ifdef DEBUGHUD
- fgPrintf( FG_COCKPIT, FG_DEBUG, format_buffer );
- fgPrintf( FG_COCKPIT, FG_DEBUG, "\n" );
- fgPrintf( FG_COCKPIT, FG_DEBUG, label_buffer );
- fgPrintf( FG_COCKPIT, FG_DEBUG, "\n" );
-#endif
- lenstr = strlen( label_buffer );
-
- posincr = 0; // default to RIGHT_JUST ... center located calc: -lenstr*8;
-
- if( justify == CENTER_JUST ) {
- posincr = - (lenstr << 2); // -lenstr*4;
- }
- else {
- if( justify == LEFT_JUST ) {
- posincr = - (lenstr << 8); // 0;
- }
- }
-
- if( fontSize == SMALL ) {
- textString( scrn_rect.left + posincr, scrn_rect.bottom,
- label_buffer, GLUT_BITMAP_8_BY_13);
- }
- else {
- if( fontSize == LARGE ) {
- textString( scrn_rect.left + posincr, scrn_rect.bottom,
- label_buffer, GLUT_BITMAP_9_BY_15);
- }
- }
-}
-
-//============== Top of instr_scale class memeber definitions ===============
-//
-// Notes:
-// 1. instr_scales divide the specified location into half and then
-// the half opposite the read direction in half again. A bar is
-// then drawn along the second divider. Scale ticks are drawn
-// between the middle and quarter section lines (minor division
-// markers) or just over the middle line.
-//
-// 2. This class was not intended to be instanciated. See moving_scale
-// and guage_instr classes.
-//============================================================================
-instr_scale ::
-instr_scale ( RECT the_box,
- DBLFNPTR load_fn,
- ReadOriented orient,
- int show_range,
- int maxValue,
- int minValue,
- UINT major_divs,
- UINT minor_divs,
- UINT rollover,
- bool working ) :
- instr_item( the_box, load_fn, orient, working),
- range_shown ( show_range ),
- Maximum_value( maxValue ),
- Minimum_value( minValue ),
- Maj_div ( major_divs ),
- Min_div ( minor_divs ),
- Modulo ( rollover )
-{
-int temp;
-
- scale_factor = (double)get_span() / range_shown;
- if( show_range < 0 ) {
- range_shown = -range_shown;
- }
- temp = (Maximum_value - Minimum_value) / 100;
- if( range_shown < temp ) {
- range_shown = temp;
- }
-}
-
-instr_scale ::
- instr_scale( const instr_scale & image ) :
- instr_item( (const instr_item &) image),
- range_shown ( image.range_shown ),
- Maximum_value( image.Maximum_value ),
- Minimum_value( image.Minimum_value ),
- Maj_div ( image.Maj_div ),
- Min_div ( image.Min_div ),
- Modulo ( image.Modulo ),
- scale_factor ( image.scale_factor )
-{
-}
-
-instr_scale & instr_scale :: operator = (const instr_scale & rhs )
-{
- if( !(this == &rhs)) {
- instr_item::operator = (rhs);
- Minimum_value = rhs.Minimum_value;
- Maximum_value = rhs.Maximum_value;
- Maj_div = rhs.Maj_div;
- Min_div = rhs.Min_div;
- Modulo = rhs.Modulo;
- scale_factor = rhs.scale_factor;
- range_shown = rhs.range_shown;
- }
- return *this;
-}
-
-instr_scale :: ~ instr_scale () {}
-
-//========== Top of moving_scale_instr class member definitions =============
-
-moving_scale ::
-moving_scale( RECT the_box,
- DBLFNPTR data_source,
- ReadOriented orientation,
- int max_value,
- int min_value,
- UINT major_divs,
- UINT minor_divs,
- UINT modulus,
- double value_span,
- bool working) :
- instr_scale( the_box,
- data_source, orientation,
- (int)value_span,
- max_value, min_value,
- major_divs, minor_divs, modulus,
- working),
- val_span ( value_span)
-{
- half_width_units = range_to_show() / 2.0;
-}
-
-moving_scale ::
-~moving_scale() { }
-
-moving_scale ::
-moving_scale( const moving_scale & image):
- instr_scale( (const instr_scale & ) image)
-{
-}
-
-moving_scale & moving_scale ::
-operator = (const moving_scale & rhs )
-{
- if( !( this == &rhs)){
- instr_scale::operator = (rhs);
- }
- return *this;
-}
-
-void moving_scale ::
-draw( void ) // (HUD_scale * pscale )
-{
- double vmin, vmax;
- int marker_x;
- int marker_y;
- register i;
- char TextScale[80];
- int condition;
- int disp_val;
- POINT mid_scr = get_centroid();
- POINT bias_bar; // eliminates some orientation checks
- double cur_value = get_value();
- RECT scrn_rect = get_location();
- ReadOriented orientation = get_orientation();
-
- vmin = cur_value - half_width_units; // width units == needle travel
- vmax = cur_value + half_width_units; // or picture unit span.
-
-
- if( (orientation == ReadLEFT) ||( orientation == ReadRIGHT)) // Vertical scale
- {
- if( orientation == ReadLEFT ) { // Calculate x marker offset
- marker_x = scrn_rect.left - 6;
- bias_bar.x = ((scrn_rect.right - mid_scr.x)>>1) + mid_scr.x;
- }
- else { // We'll default this for now.
- marker_x = mid_scr.x; // scrn_rect.right;
- bias_bar.x = ((mid_scr.x - scrn_rect.left)>>1) + scrn_rect.left;
- }
-
- // Draw the basic markings for the scale...
-
- drawOneLine( bias_bar.x, // Vertical scale bar
- 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
// mustange and the engine readouts of a B36!
//
-#define INSTRDEFS 16
+#define INSTRDEFS 21
int fgHUDInit( fgAIRCRAFT * /* current_aircraft */ )
{
instr_item *HIptr;
int index;
- RECT loc;
- fgPrintf( FG_COCKPIT, FG_INFO, "Initializing current aircraft HUD\n" );
+ FG_LOG( FG_COCKPIT, FG_INFO, "Initializing current aircraft HUD" );
HUD_deque.erase( HUD_deque.begin(), HUD_deque.end()); // empty the HUD deque
// fgHUDSetTimeMode( hud, NIGHT );
// fgHUDSetBrightness( hud, BRT_LIGHT );
- for( index = 0; index <= INSTRDEFS; index++) {
+ index = 0;
+
+ do {
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 );
+ HIptr = (instr_item *) new fgTBI_instr( 270, 100, 60, 10 );
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 );
+ HIptr = (instr_item *) new HudLadder( 240, 195, 120, 180 );
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);
+ HIptr = (instr_item *) new hud_card( 130,
+ 170,
+ 28,
+ 200,
+ get_speed,
+ HUDS_LEFT | HUDS_VERT,
+ 200.0, 0.0,
+ 1.0,
+ 10, 5,
+ 0,
+ 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);
+ case 3: // Radio Altimeter
+ HIptr = (instr_item *) new hud_card( 420,
+ 195,
+ 25,
+ 150,
+ get_agl,
+ HUDS_LEFT | HUDS_VERT,
+ 1000, 0,
+ 1.0,
+ 25, 5,
+ 0,
+ 0,
+ 200.0,
+ 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);
+ HIptr = (instr_item *) new hud_card( 200,
+ 375,
+ 200,
+ 28,
+ get_heading,
+ HUDS_TOP,
+ 360, 0,
+ 1.0,
+ 5, 1,
+ 360,
+ 0,
+ 25,
+ 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);
+ HIptr = (instr_item *) new hud_card( 460,
+ 170,
+ 35,
+ 200,
+ get_altitude,
+ HUDS_RIGHT | HUDS_VERT,
+ 15000, 0,
+ 1.0,
+ 100, 25,
+ 0,
+ 0,
+ 250,
+ true);
+ break;
+
+ case 6:
+ HIptr = (instr_item *) new guage_instr( 250, // x
+ 350, // y
+ 100, // width
+ 20, // height
+ get_aileronval, // data source
+ HUDS_BOTTOM | HUDS_NOTEXT,
+ 100.0,
+ +1.0,
+ -1.0);
+ break;
+
+ case 7:
+ HIptr = (instr_item *) new guage_instr( 170, // x
+ 225, // y
+ 20, // width
+ 100, // height
+ get_elevatorval, // data source
+ HUDS_RIGHT | HUDS_VERT | HUDS_NOTEXT,
+ -100.0, // Scale data
+ +1.0, // Data Range
+ -1.0);
+ break;
+
+ case 8:
+ HIptr = (instr_item *) new guage_instr( 250, // x
+ 200, // y
+ 100, // width
+ 20, // height
+ get_rudderval, // data source
+ HUDS_TOP | HUDS_NOTEXT,
+ 100.0,
+ +1.0,
+ -1.0);
+ break;
+
+ case 9:
+ HIptr = (instr_item *) new guage_instr( 100, // x
+ 190,
+ 20,
+ 160, // height
+ get_throttleval, // data source
+ HUDS_VERT | HUDS_RIGHT | HUDS_NOTEXT,
+ 100.0,
+ 1.0,
+ 0.0);
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,
+ case 10: // Digital KIAS
+ HIptr = (instr_item *) new instr_label ( 110,
+ 150,
+ 40,
+ 30,
get_speed,
"%5.0f",
NULL,
" Kts",
- ReadTOP,
+ 1.0,
+ HUDS_TOP,
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",
+ case 11: // Digital Rate of Climb
+ HIptr = (instr_item *) new instr_label ( 110,
+ 135,
+ 40,
+ 10,
+ get_climb_rate,
+ "%5.0f",
+ " Climb",
NULL,
- " m",
- ReadTOP,
- LEFT_JUST,
+ 1.0,
+ HUDS_TOP,
+ RIGHT_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,
+ case 12: // Roll indication diagnostic
+ HIptr = (instr_item *) new instr_label ( 110,
+ 120,
+ 40,
+ 10,
get_roll,
"%5.2f",
" Roll",
" Deg",
- ReadTOP,
+ 1.0,
+ HUDS_TOP,
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,
+ case 13: // Angle of attack diagnostic
+ HIptr = (instr_item *) new instr_label ( 440,
+ 150,
+ 60,
+ 10,
get_aoa,
- " %5.2f",
- " AOA",
+ " %5.2f",
+ "AOA",
" Deg",
- ReadTOP,
+ 1.0,
+ HUDS_TOP,
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,
+ case 14:
+ HIptr = (instr_item *) new instr_label ( 440,
+ 135,
+ 60,
+ 10,
get_heading,
- "%5.0f",
- "Heading",
+ " %5.1f",
+ "Heading ",
" Deg",
- ReadTOP,
+ 1.0,
+ HUDS_TOP,
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,
+ case 15:
+ HIptr = (instr_item *) new instr_label ( 440,
+ 120,
+ 60,
+ 10,
get_sideslip,
"%5.2f",
"Sideslip ",
NULL,
- ReadTOP,
+ 1.0,
+ HUDS_TOP,
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",
+ case 16:
+ HIptr = (instr_item *) new instr_label( 440,
+ 100,
+ 60,
+ 10,
+ get_throttleval,
+ "%5.2f",
"Throttle ",
NULL,
- ReadTOP,
+ 1.0,
+ HUDS_TOP,
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,
+ case 17:
+ HIptr = (instr_item *) new instr_label( 440,
+ 85,
+ 60,
+ 10,
+ get_elevatorval,
"%5.2f",
- "Elevator",
+ "Elevator ",
NULL,
- ReadTOP,
+ 1.0,
+ HUDS_TOP,
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,
+ case 18:
+ HIptr = (instr_item *) new instr_label( 440,
+ 60,
+ 60,
+ 10,
+ get_aileronval,
"%5.2f",
- "Aileron",
+ "Aileron ",
NULL,
- ReadTOP,
+ 1.0,
+ HUDS_TOP,
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,
+
+ case 19:
+ HIptr = (instr_item *) new instr_label( 10,
+ 10,
+ 60,
+ 10,
+ get_frame_rate,
"%.1f",
"Frame rate = ",
NULL,
- ReadTOP,
+ 1.0,
+ HUDS_TOP,
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,
+ case 20:
+ switch( current_options.get_tris_or_culled() ) {
+ case 0:
+ HIptr = (instr_item *) new instr_label( 10,
+ 25,
+ 90,
+ 10,
+ get_vfc_tris_drawn,
+ "%.0f",
+ "Tris Rendered = ",
+ NULL,
+ 1.0,
+ HUDS_TOP,
+ RIGHT_JUST,
+ SMALL,
+ 0,
+ TRUE );
+ break;
+ case 1:
+ HIptr = (instr_item *) new instr_label( 10,
+ 25,
+ 90,
+ 10,
+ get_vfc_ratio,
+ "%.2f",
+ "VFC Ratio = ",
+ NULL,
+ 1.0,
+ HUDS_TOP,
+ RIGHT_JUST,
+ SMALL,
+ 0,
+ TRUE );
+ break;
+ }
+ break;
+
+ case 21:
+ HIptr = (instr_item *) new instr_label( 10,
+ 40,
+ 90,
+ 10,
+ get_fov,
"%.1f",
"FOV = ",
NULL,
- ReadTOP,
+ 1.0,
+ HUDS_TOP,
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:;
+ default:
+ HIptr = 0;;
}
if( HIptr ) { // Anything to install?
HUD_deque.insert( HUD_deque.begin(), HIptr);
}
+ index++;
}
+ while( 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.
}
+int fgHUDInit2( fgAIRCRAFT * /* current_aircraft */ )
+{
+ instr_item *HIptr;
+ int index;
+
+ FG_LOG( FG_COCKPIT, FG_INFO, "Initializing current aircraft HUD" );
+
+ HUD_deque.erase( HUD_deque.begin(), HUD_deque.end());
+
+ // 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 );
+
+ // index = 0;
+ index = 19;
+
+ instr_item* p;
+
+ p = new instr_label( 10, 10, 60, 10,
+ get_frame_rate,
+ "%.1f",
+ "Frame rate = ",
+ NULL,
+ 1.0,
+ HUDS_TOP,
+ RIGHT_JUST,
+ SMALL,
+ 0,
+ TRUE );
+ HUD_deque.push_front( p );
+
+ if ( current_options.get_tris_or_culled() == 0 )
+ p = new instr_label( 10, 25, 90, 10,
+ get_vfc_tris_drawn,
+ "%.0f",
+ "Tris Rendered = ",
+ NULL,
+ 1.0,
+ HUDS_TOP,
+ RIGHT_JUST,
+ SMALL,
+ 0,
+ TRUE );
+ else
+ p = new instr_label( 10, 25, 90, 10,
+ get_vfc_ratio,
+ "%.2f",
+ "VFC Ratio = ",
+ NULL,
+ 1.0,
+ HUDS_TOP,
+ RIGHT_JUST,
+ SMALL,
+ 0,
+ TRUE );
+ HUD_deque.push_front( p );
+
+ p = new instr_label( 10, 40, 90, 10,
+ get_fov,
+ "%.1f",
+ "FOV = ",
+ NULL,
+ 1.0,
+ HUDS_TOP,
+ RIGHT_JUST,
+ SMALL,
+ 0,
+ TRUE );
+ HUD_deque.push_front( p );
+
+ const int x_pos = 480;
+ p = new instr_label( x_pos, 40, 40, 30,
+ get_speed,
+ "%5.0f",
+ "Airspeed ",
+ " Kts",
+ 1.0,
+ HUDS_TOP,
+ RIGHT_JUST,
+ SMALL,
+ 0,
+ TRUE );
+ HUD_deque.push_front( p );
+
+ if ( current_options.get_units() == fgOPTIONS::FG_UNITS_FEET ) {
+ strcpy(units, " ft");
+ } else {
+ strcpy(units, " m");
+ }
+ p = new instr_label( x_pos, 25, 40, 10,
+ get_altitude,
+ "%5.0f",
+ "Altitude ",
+ units,
+ 1.0,
+ HUDS_TOP,
+ RIGHT_JUST,
+ SMALL,
+ 0,
+ TRUE );
+ HUD_deque.push_front( p );
+
+ p = new instr_label( x_pos, 10, 60, 10,
+ get_heading,
+ "%5.1f",
+ "Heading ",
+ " Deg",
+ 1.0,
+ HUDS_TOP,
+ RIGHT_JUST,
+ SMALL,
+ 0,
+ TRUE );
+ HUD_deque.push_front( p );
+
+ return 0; // For now. Later we may use this for an error code.
+}
+
+int global_day_night_switch = DAY;
+
+void HUD_brightkey( bool incr_bright )
+{
+instr_item *pHUDInstr = HUD_deque[0];
+int brightness = pHUDInstr->get_brightness();
+
+ if( current_options.get_hud_status() ) {
+ if( incr_bright ) {
+ switch (brightness) {
+ case BRT_LIGHT:
+ current_options.set_hud_status(0);
+ break;
+
+ case BRT_MEDIUM:
+ brightness = BRT_LIGHT;
+ break;
+
+ case BRT_DARK:
+ brightness = BRT_MEDIUM;
+ break;
+
+ case BRT_BLACK:
+ brightness = BRT_DARK;
+ break;
+
+ default:
+ brightness = BRT_BLACK;
+ }
+ }
+ else {
+ switch (brightness) {
+ case BRT_LIGHT:
+ brightness = BRT_MEDIUM;
+ break;
+
+ case BRT_MEDIUM:
+ brightness = BRT_DARK;
+ break;
+
+ case BRT_DARK:
+ brightness = BRT_BLACK;
+ break;
+
+ case BRT_BLACK:
+ default:
+ current_options.set_hud_status(0);
+ }
+ }
+ }
+ else {
+ current_options.set_hud_status(1);
+ if( incr_bright ) {
+ if( DAY == global_day_night_switch ) {
+ brightness = BRT_BLACK;
+ }
+ else {
+ brightness = BRT_DARK;
+ global_day_night_switch = DAY;
+ }
+ }
+ else {
+ if( NIGHT == global_day_night_switch ) {
+ brightness = BRT_DARK;
+ }
+ else {
+ brightness = BRT_MEDIUM;
+ global_day_night_switch = NIGHT;
+ }
+ }
+ }
+ pHUDInstr->SetBrightness( brightness );
+}
// fgUpdateHUD
//
// 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;
glLineWidth(1);
- for( i = hud_displays; i; --i) { // Draw everything
-// if( HUD_deque.at(i)->enabled()) {
- pHUDInstr = HUD_deque[i - 1];
+ deque < instr_item * > :: iterator current = HUD_deque.begin();
+ deque < instr_item * > :: iterator last = HUD_deque.end();
+
+ for ( ; current != last; ++current ) {
+ pHUDInstr = *current;
+
+ // for( i = hud_displays; i; --i) { // Draw everything
+ // if( HUD_deque.at(i)->enabled()) {
+ // pHUDInstr = HUD_deque[i - 1];
if( pHUDInstr->enabled()) {
// We should to respond to a dial instead
// or as well to the of time of day. Of
case BRT_DARK:
glColor3f (0.0, 0.5, 0.0);
+ break;
+
+ case BRT_BLACK:
+ glColor3f( 0.0, 0.0, 0.0);
+ break;
+
+ default:;
}
}
else {
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.
- *
- */
+// $Log$
+// Revision 1.27 1998/11/06 21:17:47 curt
+// Converted to new logstream debugging facility. This allows release
+// builds with no messages at all (and no performance impact) by using
+// the -DFG_NDEBUG flag.
+//
+// Revision 1.26 1998/11/03 12:33:11 curt
+// Display ft or m in mini-hud next to altitude.
+//
+// Revision 1.25 1998/10/17 01:33:57 curt
+// C++ ifying ...
+//
+// Revision 1.24 1998/10/16 23:27:25 curt
+// C++-ifying.
+//
+// Revision 1.23 1998/10/16 00:53:00 curt
+// Mods to display a bit more info when mini-hud is active.
+//
+// Revision 1.22 1998/09/29 14:56:31 curt
+// c++-ified comments.
+//
+// Revision 1.21 1998/09/29 02:01:07 curt
+// Added a "rate of climb" indicator.
+//
+// Revision 1.20 1998/08/24 20:05:16 curt
+// Added a second minimalistic HUD.
+// Added code to display the number of triangles rendered.
+//
+// Revision 1.19 1998/07/30 23:44:05 curt
+// Tweaks for sgi building.
+//
+// Revision 1.18 1998/07/20 12:47:55 curt
+// Replace the hud rendering for loop (which linearly searches the the hud
+// list to find the entry with the proper position) with a simple linear
+// traversal using an "iterator."
+//
+// Revision 1.17 1998/07/13 21:28:02 curt
+// Converted the aoa scale to a radio altimeter.
+//
+// Revision 1.16 1998/07/13 21:00:47 curt
+// Integrated Charlies latest HUD updates.
+// Wrote access functions for current fgOPTIONS.
+//
+// Revision 1.15 1998/07/08 14:41:08 curt
+// Renamed polar3d.h to polar3d.hxx
+//
+// Revision 1.14 1998/07/06 21:31:20 curt
+// Removed an extraneous ^M.
+//
+// Revision 1.13 1998/07/03 13:16:28 curt
+// Added Charlie Hotchkiss's HUD updates and improvementes.
+//
+// Revision 1.11 1998/06/05 18:17:10 curt
+// Added the declaration of memmove needed by the stl which apparently
+// solaris only defines for cc compilations and not for c++ (__STDC__)
+//
+// Revision 1.10 1998/05/17 16:58:12 curt
+// Added a View Frustum Culling ratio display to the hud.
+//
+// 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.
+//