388 lines
14 KiB
C++
388 lines
14 KiB
C++
#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 <stdlib.h>
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#include <string.h>
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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.hxx>
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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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//========== Top of hud_card class member definitions =============
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hud_card ::
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hud_card( int x,
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int y,
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UINT width,
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UINT height,
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DBLFNPTR data_source,
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UINT options,
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double max_value,
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double min_value,
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double disp_scaling,
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UINT major_divs,
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UINT minor_divs,
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UINT modulus,
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int dp_showing,
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double value_span,
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bool working) :
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instr_scale( x,y,width,height,
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data_source, options,
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value_span,
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max_value, min_value, disp_scaling,
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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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hud_card ::
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~hud_card() { }
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hud_card ::
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hud_card( const hud_card & image):
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instr_scale( (const instr_scale & ) image),
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val_span( image.val_span),
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half_width_units (image.half_width_units)
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{
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}
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hud_card & hud_card ::
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operator = (const hud_card & rhs )
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{
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if( !( this == &rhs)){
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instr_scale::operator = (rhs);
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val_span = rhs.val_span;
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half_width_units = rhs.half_width_units;
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}
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return *this;
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}
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void hud_card ::
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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_xs;
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int marker_xe;
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int marker_ys;
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int marker_ye;
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/* register */ int i;
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char TextScale[80];
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bool condition;
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int disp_val;
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POINT mid_scr = get_centroid();
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double cur_value = get_value();
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RECT scrn_rect = get_location();
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UINT options = get_options();
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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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// Draw the basic markings for the scale...
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if( options & HUDS_VERT ) { // Vertical scale
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drawOneLine( scrn_rect.left, // Bottom tick bar
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scrn_rect.top,
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scrn_rect.left + scrn_rect.right,
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scrn_rect.top);
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drawOneLine( scrn_rect.left, // Top tick bar
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scrn_rect.top + scrn_rect.bottom,
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scrn_rect.left + scrn_rect.right,
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scrn_rect.top + scrn_rect.bottom );
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marker_xs = scrn_rect.left;
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marker_xe = scrn_rect.left + scrn_rect.right;
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// We do not use else in the following so that combining the two
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// options produces a "caged" display with double carrots. The
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// same is done for horizontal card indicators.
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if( options & HUDS_LEFT ) { // Calculate x marker offset
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drawOneLine( scrn_rect.left + scrn_rect.right,
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scrn_rect.top,
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scrn_rect.left + scrn_rect.right,
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scrn_rect.top + scrn_rect.bottom); // Cap right side
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marker_xs = marker_xe - scrn_rect.right / 3; // Adjust tick xs
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// Indicator carrot
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drawOneLine( marker_xs, mid_scr.y,
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marker_xe, mid_scr.y + scrn_rect.right / 6);
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drawOneLine( marker_xs, mid_scr.y,
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marker_xe, mid_scr.y - scrn_rect.right / 6);
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}
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if( options & HUDS_RIGHT ) { // We'll default this for now.
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drawOneLine( scrn_rect.left,
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scrn_rect.top,
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scrn_rect.left,
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scrn_rect.top + scrn_rect.bottom); // Cap left side
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marker_xe = scrn_rect.left + scrn_rect.right / 3; // Adjust tick xe
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// Indicator carrot
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drawOneLine( scrn_rect.left, mid_scr.y + scrn_rect.right / 6,
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marker_xe, mid_scr.y );
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drawOneLine( scrn_rect.left, mid_scr.y - scrn_rect.right / 6,
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marker_xe, mid_scr.y);
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}
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// At this point marker x_start and x_end values are transposed.
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// To keep this from confusing things they are now interchanged.
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if(( options & HUDS_BOTH) == HUDS_BOTH) {
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marker_ye = marker_xs;
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marker_xs = marker_xe;
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marker_xe = marker_ye;
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}
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// Work through from bottom to top of scale. Calculating where to put
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// minor and major ticks.
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for( i = (int)vmin; i <= (int)vmax; i++ ) {
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condition = true;
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if( !modulo()) {
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if( i < min_val()) {
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condition = false;
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}
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}
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if( condition ) { // Show a tick if necessary
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// Calculate the location of this tick
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marker_ys = scrn_rect.top + (int)((i - vmin) * factor() + .5);
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// Block calculation artifact from drawing ticks below min coordinate.
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// Calculation here accounts for text height.
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if(( marker_ys < (scrn_rect.top + 4)) |
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( marker_ys > (scrn_rect.top + scrn_rect.bottom - 4))) {
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// Magic numbers!!!
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continue;
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}
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if( div_min()) {
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if( (i%div_min()) == 0) {
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if((( marker_ys - 5) > scrn_rect.top ) &&
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(( marker_ys + 5) < (scrn_rect.top + scrn_rect.bottom))){
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if( (options & HUDS_BOTH) == HUDS_BOTH ) {
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drawOneLine( scrn_rect.left, marker_ys,
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marker_xs, marker_ys );
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drawOneLine( marker_xe, marker_ys,
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scrn_rect.left + scrn_rect.right, marker_ys );
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}
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else {
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if( options & HUDS_LEFT ) {
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drawOneLine( marker_xs + 4, marker_ys,
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marker_xe, marker_ys );
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}
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else {
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drawOneLine( marker_xs, marker_ys,
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marker_xe - 4, marker_ys );
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}
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}
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}
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}
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}
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if( div_max()) {
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if( !(i%(int)div_max())){
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if(modulo()) {
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if( disp_val < 0) {
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disp_val += modulo();
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}
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else {
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disp_val = i % modulo();
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}
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}
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else {
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disp_val = i;
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}
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sprintf( TextScale, "%d", (int)(disp_val * data_scaling() +.5));
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if(( (marker_ys - 8 ) > scrn_rect.top ) &&
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( (marker_ys + 8) < (scrn_rect.top + scrn_rect.bottom))){
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if( (options & HUDS_BOTH) == HUDS_BOTH) {
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drawOneLine( scrn_rect.left, marker_ys,
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marker_xs, marker_ys);
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drawOneLine( marker_xs, marker_ys,
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scrn_rect.left + scrn_rect.right,
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marker_ys);
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if( !(options & HUDS_NOTEXT)) {
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textString ( marker_xs + 2, marker_ys,
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TextScale, GLUT_BITMAP_8_BY_13 );
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}
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}
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else {
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drawOneLine( marker_xs, marker_ys, marker_xe, marker_ys );
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if( !(options & HUDS_NOTEXT)) {
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if( options & HUDS_LEFT ) {
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textString( marker_xs - 8 * strlen(TextScale) - 2,
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marker_ys - 4,
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TextScale, GLUT_BITMAP_8_BY_13 );
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}
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else {
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textString( marker_xe + 3 * strlen(TextScale),
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marker_ys - 4,
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TextScale, GLUT_BITMAP_8_BY_13 );
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}
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}
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}
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} // Else read oriented right
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} // End if modulo division by major interval is zero
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} // End if major interval divisor non-zero
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} // End if condition
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} // End for range of i from vmin to vmax
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} // End if VERTICAL SCALE TYPE
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else { // Horizontal scale by default
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drawOneLine( scrn_rect.left, // left tick bar
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scrn_rect.top,
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scrn_rect.left,
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scrn_rect.top + scrn_rect.bottom);
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drawOneLine( scrn_rect.left + scrn_rect.right, // right tick bar
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scrn_rect.top,
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scrn_rect.left + scrn_rect.right,
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scrn_rect.top + scrn_rect.bottom );
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marker_ys = scrn_rect.top; // Starting point for
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marker_ye = scrn_rect.top + scrn_rect.bottom; // tick y location calcs
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if( options & HUDS_TOP ) {
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drawOneLine( scrn_rect.left,
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scrn_rect.top,
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scrn_rect.left + scrn_rect.right,
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scrn_rect.top); // Bottom box line
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marker_ye = scrn_rect.top + scrn_rect.bottom / 2; // Tick point adjust
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// Bottom arrow
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drawOneLine( mid_scr.x, marker_ye,
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mid_scr.x - scrn_rect.bottom / 4, scrn_rect.top);
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drawOneLine( mid_scr.x, marker_ye,
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mid_scr.x + scrn_rect.bottom / 4, scrn_rect.top);
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}
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if( options & HUDS_BOTTOM) {
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drawOneLine( scrn_rect.left,
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scrn_rect.top + scrn_rect.bottom,
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scrn_rect.left + scrn_rect.right,
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scrn_rect.top + scrn_rect.bottom); // Top box line
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// Tick point adjust
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marker_ys = scrn_rect.top +
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scrn_rect.bottom - scrn_rect.bottom / 2;
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// Top arrow
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drawOneLine( mid_scr.x + scrn_rect.bottom / 4,
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scrn_rect.top + scrn_rect.bottom,
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mid_scr.x ,
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marker_ys );
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drawOneLine( mid_scr.x - scrn_rect.bottom / 4,
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scrn_rect.top + scrn_rect.bottom,
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mid_scr.x ,
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marker_ys );
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}
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// if(( options & HUDS_BOTTOM) == HUDS_BOTTOM ) {
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// marker_xe = marker_ys;
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// marker_ys = marker_ye;
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// marker_ye = marker_xe;
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// }
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// printf("vmin = %d vmax = %d\n", (int)vmin, (int)vmax);
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for( i = (int)vmin; i <= (int)vmax; i++ ) {
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// printf("<*> i = %d\n", i);
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condition = true;
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if( !modulo()) {
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if( i < min_val()) {
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condition = false;
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}
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}
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// printf("<**> i = %d\n", i);
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if( condition ) {
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marker_xs = scrn_rect.left + (int)((i - vmin) * factor() + .5);
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if( div_min()){
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if( (i%(int)div_min()) == 0 ) {
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// draw in ticks only if they aren't too close to the edge.
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if((( marker_xs - 5) > scrn_rect.left ) &&
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(( marker_xs + 5 )< (scrn_rect.left + scrn_rect.right))){
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if( (options & HUDS_BOTH) == HUDS_BOTH ) {
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drawOneLine( marker_xs, scrn_rect.top,
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marker_xs, marker_ys - 4);
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drawOneLine( marker_xs, marker_ye + 4,
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marker_xs, scrn_rect.top + scrn_rect.bottom);
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}
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else {
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if( options & HUDS_TOP) {
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drawOneLine( marker_xs, marker_ys,
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marker_xs, marker_ye - 4);
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}
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else {
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drawOneLine( marker_xs, marker_ys + 4,
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marker_xs, marker_ye);
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}
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}
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}
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}
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}
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// printf("<***> i = %d\n", i);
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if( div_max()) {
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// printf("i = %d\n", i);
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if( (i%(int)div_max())==0 ) {
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if(modulo()) {
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if( disp_val < 0) {
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disp_val += modulo();
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}
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else {
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disp_val = i % modulo();
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}
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}
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else {
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disp_val = i;
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}
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// printf("disp_val = %d\n", disp_val);
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// printf("%d\n", (int)(disp_val * (double)data_scaling() + 0.5));
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sprintf( TextScale, "%d", (int)(disp_val * data_scaling() +.5));
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// Draw major ticks and text only if far enough from the edge.
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if(( (marker_xs - 10)> scrn_rect.left ) &&
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( (marker_xs + 10) < (scrn_rect.left + scrn_rect.right))){
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if( (options & HUDS_BOTH) == HUDS_BOTH) {
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drawOneLine( marker_xs, scrn_rect.top,
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marker_xs, marker_ys);
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drawOneLine( marker_xs, marker_ye,
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marker_xs, scrn_rect.top + scrn_rect.bottom);
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if( !(options & HUDS_NOTEXT)) {
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textString ( marker_xs - 4 * strlen(TextScale),
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marker_ys + 4,
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TextScale, GLUT_BITMAP_8_BY_13 );
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}
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}
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else {
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drawOneLine( marker_xs, marker_ys,
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marker_xs, marker_ye );
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if( !(options & HUDS_NOTEXT)) {
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if( options & HUDS_TOP ) {
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textString ( marker_xs - 4 * strlen(TextScale),
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scrn_rect.top + scrn_rect.bottom - 10,
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TextScale, GLUT_BITMAP_8_BY_13 );
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}
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else {
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textString( marker_xs - 4 * strlen(TextScale),
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scrn_rect.top,
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TextScale, GLUT_BITMAP_8_BY_13 );
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}
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}
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}
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}
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}
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}
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// printf("<****> i = %d\n", i);
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}
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}
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}
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}
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