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flightgear/Simulator/Cockpit/hud_card.cxx

494 lines
17 KiB
C++

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifdef HAVE_WINDOWS_H
# include <windows.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <Aircraft/aircraft.hxx>
#include <GUI/gui.h>
#include <Include/fg_constants.h>
#include <Math/fg_random.h>
#include <Math/mat3.h>
#include <Math/polar3d.hxx>
#include <Scenery/scenery.hxx>
#include <Time/fg_timer.hxx>
#include "hud.hxx"
#ifdef USE_HUD_TextList
#define textString( x , y, text, font ) TextString( font, text, x , y )
#endif
//========== Top of hud_card class member definitions =============
hud_card ::
hud_card( int x,
int y,
UINT width,
UINT height,
FLTFNPTR data_source,
UINT options,
float max_value, // 360
float min_value, // 0
float disp_scaling,
UINT major_divs,
UINT minor_divs,
UINT modulus, // 360
int dp_showing,
float value_span,
bool working) :
instr_scale( x,y,width,height,
data_source, options,
value_span,
max_value, min_value, disp_scaling,
major_divs, minor_divs, modulus,
working),
val_span ( value_span)
{
half_width_units = range_to_show() / 2.0;
// UINT options = get_options();
// huds_both = (options & HUDS_BOTH) == HUDS_BOTH;
// huds_right = options & HUDS_RIGHT;
// huds_left = options & HUDS_LEFT;
// huds_vert = options & HUDS_VERT;
// huds_notext = options & HUDS_NOTEXT;
// huds_top = options & HUDS_TOP;
// huds_bottom = options & HUDS_BOTTOM;
}
hud_card ::
~hud_card() { }
hud_card ::
hud_card( const hud_card & image):
instr_scale( (const instr_scale & ) image),
val_span( image.val_span),
half_width_units (image.half_width_units)
{
// UINT options = get_options();
// huds_both = (options & HUDS_BOTH) == HUDS_BOTH;
// huds_right = options & HUDS_RIGHT;
// huds_left = options & HUDS_LEFT;
// huds_vert = options & HUDS_VERT;
// huds_notext = options & HUDS_NOTEXT;
// huds_top = options & HUDS_TOP;
// huds_bottom = options & HUDS_BOTTOM;
}
hud_card & hud_card ::
operator = (const hud_card & rhs )
{
if( !( this == &rhs)){
instr_scale::operator = (rhs);
val_span = rhs.val_span;
half_width_units = rhs.half_width_units;
}
return *this;
}
void hud_card ::
draw( void ) // (HUD_scale * pscale )
{
float vmin, vmax;
int marker_xs;
int marker_xe;
int marker_ys;
int marker_ye;
int lenstr;
int height, width;
int i, last;
char TextScale[80];
bool condition;
int disp_val = 0;
POINT mid_scr = get_centroid();
float cur_value = get_value();
RECT scrn_rect = get_location();
UINT options = get_options();
height = scrn_rect.top + scrn_rect.bottom;
width = scrn_rect.left + scrn_rect.right;
vmin = cur_value - half_width_units; // width units == needle travel
vmax = cur_value + half_width_units; // or picture unit span.
// Draw the basic markings for the scale...
if( huds_vert(options) ) { // Vertical scale
drawOneLine( scrn_rect.left, // Bottom tick bar
scrn_rect.top,
width,
scrn_rect.top);
drawOneLine( scrn_rect.left, // Top tick bar
height,
width,
height );
marker_xs = scrn_rect.left; // x start
marker_xe = width; // x extent
marker_ye = height;
// glBegin(GL_LINES);
// Bottom tick bar
// glVertex2f( marker_xs, scrn_rect.top);
// glVertex2f( marker_xe, scrn_rect.top);
// Top tick bar
// glVertex2f( marker_xs, marker_ye);
// glVertex2f( marker_xe, marker_ye );
// glEnd();
// We do not use else in the following so that combining the two
// options produces a "caged" display with double carrots. The
// same is done for horizontal card indicators.
if( huds_left(options) ) { // Calculate x marker offset
drawOneLine( marker_xe, scrn_rect.top,
marker_xe, marker_ye); // Cap right side
marker_xs = marker_xe - scrn_rect.right / 3; // Adjust tick xs
// Indicator carrot
// drawOneLine( marker_xs, mid_scr.y,
// marker_xe, mid_scr.y + scrn_rect.right / 6);
// drawOneLine( marker_xs, mid_scr.y,
// marker_xe, mid_scr.y - scrn_rect.right / 6);
glBegin(GL_LINE_STRIP);
glVertex2f( marker_xe, mid_scr.y + scrn_rect.right / 6);
glVertex2f( marker_xs, mid_scr.y);
glVertex2f( marker_xe, mid_scr.y - scrn_rect.right / 6);
glEnd();
}
if( huds_right(options) ) { // We'll default this for now.
drawOneLine( scrn_rect.left, scrn_rect.top,
scrn_rect.left, marker_ye ); // Cap left side
marker_xe = scrn_rect.left + scrn_rect.right / 3; // Adjust tick xe
// Indicator carrot
// drawOneLine( scrn_rect.left, mid_scr.y + scrn_rect.right / 6,
// marker_xe, mid_scr.y );
// drawOneLine( scrn_rect.left, mid_scr.y - scrn_rect.right / 6,
// marker_xe, mid_scr.y);
glBegin(GL_LINE_STRIP);
glVertex2f( scrn_rect.left, mid_scr.y + scrn_rect.right / 6);
glVertex2f( marker_xe, mid_scr.y );
glVertex2f( scrn_rect.left, mid_scr.y - scrn_rect.right / 6);
glEnd();
}
// At this point marker x_start and x_end values are transposed.
// To keep this from confusing things they are now interchanged.
if(huds_both(options)) {
marker_ye = marker_xs;
marker_xs = marker_xe;
marker_xe = marker_ye;
}
// Work through from bottom to top of scale. Calculating where to put
// minor and major ticks.
// last = FloatToInt(vmax)+1;
// i = FloatToInt(vmin);
last = (int)vmax + 1;
i = (int)vmin;
for( ; i <last ; i++ )
{
condition = true;
if( !modulo()) {
if( i < min_val()) {
condition = false;
}
}
if( condition ) { // Show a tick if necessary
// Calculate the location of this tick
marker_ys = scrn_rect.top + FloatToInt(((i - vmin) * factor()/*+.5f*/));
// marker_ys = scrn_rect.top + (int)((i - vmin) * factor() + .5);
// Block calculation artifact from drawing ticks below min coordinate.
// Calculation here accounts for text height.
if(( marker_ys < (scrn_rect.top + 4)) |
( marker_ys > (height - 4))) {
// Magic numbers!!!
continue;
}
if( div_min()) {
// if( (i%div_min()) == 0) {
if( !(i%(int)div_min())) {
if((( marker_ys - 5) > scrn_rect.top ) &&
(( marker_ys + 5) < (height))){
if( huds_both(options) ) {
drawOneLine( scrn_rect.left, marker_ys,
marker_xs, marker_ys );
drawOneLine( marker_xe, marker_ys,
width, marker_ys );
// glBegin(GL_LINES);
// glVertex2f( scrn_rect.left, marker_ys );
// glVertex2f( marker_xs, marker_ys );
// glVertex2f( marker_xe, marker_ys);
// glVertex2f( scrn_rect.left + scrn_rect.right, marker_ys );
// glEnd();
}
else {
if( huds_left(options) ) {
drawOneLine( marker_xs + 4, marker_ys,
marker_xe, marker_ys );
}
else {
drawOneLine( marker_xs, marker_ys,
marker_xe - 4, marker_ys );
}
}
}
}
}
if( div_max() ) {
if( !(i%(int)div_max()) )
{
if(modulo()) {
if( disp_val < 0) {
while(disp_val < 0)
disp_val += modulo();
// } else {
// disp_val = i % (int)modulo();
}
disp_val = i % (int) modulo(); // ?????????
} else {
disp_val = i;
}
lenstr = sprintf( TextScale, "%d",
FloatToInt(disp_val * data_scaling()/*+.5*/));
// (int)(disp_val * data_scaling() +.5));
if(( (marker_ys - 8 ) > scrn_rect.top ) &&
( (marker_ys + 8) < (height))){
if( huds_both(options) ) {
// drawOneLine( scrn_rect.left, marker_ys,
// marker_xs, marker_ys);
// drawOneLine( marker_xs, marker_ys,
// scrn_rect.left + scrn_rect.right,
// marker_ys);
glBegin(GL_LINE_STRIP);
glVertex2f( scrn_rect.left, marker_ys );
glVertex2f( marker_xs, marker_ys);
glVertex2f( width, marker_ys);
glEnd();
if( !huds_notext(options)) {
textString ( marker_xs + 2, marker_ys,
TextScale, GLUT_BITMAP_8_BY_13 );
}
}
else {
drawOneLine( marker_xs, marker_ys, marker_xe, marker_ys );
if( !huds_notext(options) ) {
if( huds_left(options) ) {
textString( marker_xs - 8 * lenstr - 2,
marker_ys - 4,
TextScale, GLUT_BITMAP_8_BY_13 );
}
else {
textString( marker_xe + 3 * lenstr,
marker_ys - 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
// left tick bar
drawOneLine( scrn_rect.left, scrn_rect.top,
scrn_rect.left, height);
// right tick bar
drawOneLine( width, scrn_rect.top,
width,
height );
marker_ys = scrn_rect.top; // Starting point for
marker_ye = height; // tick y location calcs
marker_xe = width;
// glBegin(GL_LINES);
// left tick bar
// glVertex2f( scrn_rect.left, scrn_rect.top);
// glVertex2f( scrn_rect.left, marker_ye);
// right tick bar
// glVertex2f( marker_xe, scrn_rect.top);
// glVertex2f( marker_xe, marker_ye );
// glEnd();
if( huds_top(options) ) {
// Bottom box line
drawOneLine( scrn_rect.left,
scrn_rect.top,
width,
scrn_rect.top);
// Tick point adjust
marker_ye = scrn_rect.top + scrn_rect.bottom / 2;
// Bottom arrow
// drawOneLine( mid_scr.x, marker_ye,
// mid_scr.x - scrn_rect.bottom / 4, scrn_rect.top);
// drawOneLine( mid_scr.x, marker_ye,
// mid_scr.x + scrn_rect.bottom / 4, scrn_rect.top);
glBegin(GL_LINE_STRIP);
glVertex2f( mid_scr.x - scrn_rect.bottom / 4, scrn_rect.top);
glVertex2f( mid_scr.x, marker_ye);
glVertex2f( mid_scr.x + scrn_rect.bottom / 4, scrn_rect.top);
glEnd();
}
if( huds_bottom(options) ) {
// Top box line
drawOneLine( scrn_rect.left, height,
width, height);
// Tick point adjust
marker_ys = height - scrn_rect.bottom / 2;
// Top arrow
// drawOneLine( mid_scr.x + scrn_rect.bottom / 4,
// scrn_rect.top + scrn_rect.bottom,
// mid_scr.x, marker_ys );
// drawOneLine( mid_scr.x - scrn_rect.bottom / 4,
// scrn_rect.top + scrn_rect.bottom,
// mid_scr.x , marker_ys );
glBegin(GL_LINE_STRIP);
glVertex2f( mid_scr.x + scrn_rect.bottom / 4,
height);
glVertex2f( mid_scr.x , marker_ys );
glVertex2f( mid_scr.x - scrn_rect.bottom / 4,
height);
glEnd();
}
// if(( options & HUDS_BOTTOM) == HUDS_BOTTOM ) {
// marker_xe = marker_ys;
// marker_ys = marker_ye;
// marker_ye = marker_xe;
// }
// printf("vmin = %d vmax = %d\n", (int)vmin, (int)vmax);
// last = FloatToInt(vmax)+1;
// i = FloatToInt(vmin);
last = (int)vmax + 1;
i = (int)vmin;
for(; i <last ; i++ ) {
// for( i = (int)vmin; i <= (int)vmax; i++ ) {
// printf("<*> i = %d\n", i);
condition = true;
if( !modulo()) {
if( i < min_val()) {
condition = false;
}
}
// printf("<**> i = %d\n", i);
if( condition ) {
// marker_xs = scrn_rect.left + (int)((i - vmin) * factor() + .5);
marker_xs = scrn_rect.left + FloatToInt(((i - vmin) * factor()/*+ .5f*/));
if( div_min()){
// if( (i%(int)div_min()) == 0 ) {
if( !(i%(int)div_min() )) {
// draw in ticks only if they aren't too close to the edge.
if((( marker_xs - 5) > scrn_rect.left ) &&
(( marker_xs + 5 )< (scrn_rect.left + scrn_rect.right))){
if( huds_both(options) ) {
drawOneLine( marker_xs, scrn_rect.top,
marker_xs, marker_ys - 4);
drawOneLine( marker_xs, marker_ye + 4,
marker_xs, height);
// glBegin(GL_LINES);
// glVertex2f( marker_xs, scrn_rect.top);
// glVertex2f( marker_xs, marker_ys - 4);
// glVertex2f( marker_xs, marker_ye + 4);
// glVertex2f( marker_xs, scrn_rect.top + scrn_rect.bottom);
// glEnd();
}
else {
if( huds_top(options)) {
drawOneLine( marker_xs, marker_ys,
marker_xs, marker_ye - 4);
}
else {
drawOneLine( marker_xs, marker_ys + 4,
marker_xs, marker_ye);
}
}
}
}
}
// printf("<***> i = %d\n", i);
if( div_max()) {
// printf("i = %d\n", i);
// if( (i%(int)div_max())==0 ) {
if( !(i%(int)div_max()) ) {
if(modulo()) {
if( disp_val < 0) {
while(disp_val<0)
disp_val += modulo();
}
disp_val = i % (int) modulo(); // ?????????
} else {
disp_val = i;
}
// printf("disp_val = %d\n", disp_val);
// printf("%d\n", (int)(disp_val * (double)data_scaling() + 0.5));
lenstr = sprintf( TextScale, "%d",
// (int)(disp_val * data_scaling() +.5));
FloatToInt(disp_val * data_scaling()/*+.5*/));
// Draw major ticks and text only if far enough from the edge.
if(( (marker_xs - 10)> scrn_rect.left ) &&
( (marker_xs + 10) < (scrn_rect.left + scrn_rect.right))){
if( huds_both(options) ) {
// drawOneLine( marker_xs, scrn_rect.top,
// marker_xs, marker_ys);
// drawOneLine( marker_xs, marker_ye,
// marker_xs, scrn_rect.top + scrn_rect.bottom);
glBegin(GL_LINE_STRIP);
glVertex2f( marker_xs, scrn_rect.top);
glVertex2f( marker_xs, marker_ye);
glVertex2f( marker_xs, height);
glEnd();
if( !huds_notext(options) ) {
textString ( marker_xs - 4 * lenstr,
marker_ys + 4,
TextScale, GLUT_BITMAP_8_BY_13 );
}
}
else {
drawOneLine( marker_xs, marker_ys,
marker_xs, marker_ye );
if( !huds_notext(options)) {
if( huds_top(options) ) {
textString ( marker_xs - 4 * lenstr,
height - 10,
TextScale, GLUT_BITMAP_8_BY_13 );
}
else {
textString( marker_xs - 4 * lenstr,
scrn_rect.top,
TextScale, GLUT_BITMAP_8_BY_13 );
}
}
}
}
}
}
// printf("<****> i = %d\n", i);
}
}
}
}