190 lines
5.5 KiB
C++
190 lines
5.5 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.hxx>
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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 "hud.hxx"
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//============ Top of fgTBI_instr class member definitions ==============
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fgTBI_instr ::
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fgTBI_instr( 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 chn1_source,
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DBLFNPTR chn2_source,
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double maxBankAngle,
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double maxSlipAngle,
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UINT gap_width,
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bool working ) :
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dual_instr_item( x, y, width, height,
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chn1_source,
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chn2_source,
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working,
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HUDS_TOP),
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BankLimit (maxBankAngle),
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SlewLimit (maxSlipAngle),
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scr_hole (gap_width )
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{
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}
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fgTBI_instr :: ~fgTBI_instr() {}
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fgTBI_instr :: fgTBI_instr( const fgTBI_instr & image):
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dual_instr_item( (const dual_instr_item &) image),
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BankLimit( image.BankLimit),
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SlewLimit( image.SlewLimit),
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scr_hole ( image.scr_hole )
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{
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}
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fgTBI_instr & fgTBI_instr ::
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operator = (const fgTBI_instr & rhs )
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{
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if( !(this == &rhs)) {
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dual_instr_item::operator = (rhs);
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BankLimit = rhs.BankLimit;
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SlewLimit = rhs.SlewLimit;
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scr_hole = rhs.scr_hole;
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}
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return *this;
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}
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//
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// Draws a Turn Bank Indicator on the screen
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//
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void fgTBI_instr :: draw( void )
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{
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int x_inc1, y_inc1;
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int x_inc2, y_inc2;
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int x_t_inc1, y_t_inc1;
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int d_bottom_x, d_bottom_y;
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int d_right_x, d_right_y;
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int d_top_x, d_top_y;
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int d_left_x, d_left_y;
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int inc_b_x, inc_b_y;
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int inc_r_x, inc_r_y;
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int inc_t_x, inc_t_y;
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int inc_l_x, inc_l_y;
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RECT My_box = get_location();
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POINT centroid = get_centroid();
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int tee_height = My_box.bottom;
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// struct fgFLIGHT *f = ¤t_aircraft.flight;
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double sin_bank, cos_bank;
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double bank_angle, sideslip_angle;
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double ss_const; // sideslip angle pixels per rad
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bank_angle = current_ch2(); // Roll limit +/- 30 degrees
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if( bank_angle < -FG_PI_2/3 ) {
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bank_angle = -FG_PI_2/3;
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}
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else
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if( bank_angle > FG_PI_2/3 ) {
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bank_angle = FG_PI_2/3;
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}
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sideslip_angle = current_ch1(); // Sideslip limit +/- 20 degrees
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if( sideslip_angle < -FG_PI/9 ) {
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sideslip_angle = -FG_PI/9;
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}
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else
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if( sideslip_angle > FG_PI/9 ) {
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sideslip_angle = FG_PI/9;
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}
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// sin_bank = sin( FG_2PI-FG_Phi );
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// cos_bank = cos( FG_2PI-FG_Phi );
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sin_bank = sin(FG_2PI-bank_angle);
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cos_bank = cos(FG_2PI-bank_angle);
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x_inc1 = (int)(get_span() * cos_bank);
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y_inc1 = (int)(get_span() * sin_bank);
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x_inc2 = (int)(scr_hole * cos_bank);
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y_inc2 = (int)(scr_hole * sin_bank);
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x_t_inc1 = (int)(tee_height * sin_bank);
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y_t_inc1 = (int)(tee_height * cos_bank);
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d_bottom_x = 0;
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d_bottom_y = (int)(-scr_hole);
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d_right_x = (int)(scr_hole);
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d_right_y = 0;
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d_top_x = 0;
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d_top_y = (int)(scr_hole);
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d_left_x = (int)(-scr_hole);
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d_left_y = 0;
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ss_const = (get_span()*2)/(FG_2PI/9); // width represents 40 degrees
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d_bottom_x += (int)(sideslip_angle*ss_const);
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d_right_x += (int)(sideslip_angle*ss_const);
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d_left_x += (int)(sideslip_angle*ss_const);
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d_top_x += (int)(sideslip_angle*ss_const);
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inc_b_x = (int)(d_bottom_x*cos_bank-d_bottom_y*sin_bank);
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inc_b_y = (int)(d_bottom_x*sin_bank+d_bottom_y*cos_bank);
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inc_r_x = (int)(d_right_x*cos_bank-d_right_y*sin_bank);
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inc_r_y = (int)(d_right_x*sin_bank+d_right_y*cos_bank);
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inc_t_x = (int)(d_top_x*cos_bank-d_top_y*sin_bank);
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inc_t_y = (int)(d_top_x*sin_bank+d_top_y*cos_bank);
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inc_l_x = (int)(d_left_x*cos_bank-d_left_y*sin_bank);
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inc_l_y = (int)(d_left_x*sin_bank+d_left_y*cos_bank);
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if( scr_hole == 0 )
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{
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drawOneLine( centroid.x - x_inc1, centroid.y - y_inc1, \
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centroid.x + x_inc1, centroid.y + y_inc1 );
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}
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else
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{
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drawOneLine( centroid.x - x_inc1, centroid.y - y_inc1, \
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centroid.x - x_inc2, centroid.y - y_inc2 );
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drawOneLine( centroid.x + x_inc2, centroid.y + y_inc2, \
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centroid.x + x_inc1, centroid.y + y_inc1 );
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}
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// draw teemarks
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drawOneLine( centroid.x + x_inc2, \
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centroid.y + y_inc2, \
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centroid.x + x_inc2 + x_t_inc1, \
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centroid.y + y_inc2 - y_t_inc1 );
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drawOneLine( centroid.x - x_inc2, \
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centroid.y - y_inc2, \
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centroid.x - x_inc2 + x_t_inc1, \
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centroid.y - y_inc2 - y_t_inc1 );
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// draw sideslip diamond (it is not yet positioned correctly )
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drawOneLine( centroid.x + inc_b_x, \
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centroid.y + inc_b_y, \
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centroid.x + inc_r_x, \
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centroid.y + inc_r_y );
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drawOneLine( centroid.x + inc_r_x, \
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centroid.y + inc_r_y, \
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centroid.x + inc_t_x, \
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centroid.y + inc_t_y );
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drawOneLine( centroid.x + inc_t_x, \
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centroid.y + inc_t_y, \
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centroid.x + inc_l_x, \
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centroid.y + inc_l_y );
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drawOneLine( centroid.x + inc_l_x, \
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centroid.y + inc_l_y, \
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centroid.x + inc_b_x, \
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centroid.y + inc_b_y );
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}
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