1 /**************************************************************************
2 * hud.hxx -- hud defines and prototypes (initial draft)
4 * Written by Michele America, started September 1997.
6 * Copyright (C) 1997 Michele F. America - nomimarketing@mail.telepac.pt
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of the
11 * License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 * (Log is kept at end of this file)
24 **************************************************************************/
31 # error This library requires C++
47 # include <values.h> // for MAXINT
50 #include <fg_typedefs.h>
51 #include <fg_constants.h>
52 #include <Aircraft/aircraft.h>
53 #include <Flight/flight.h>
54 #include <Controls/controls.h>
57 #include <deque> // STL
58 #ifdef NEEDNAMESPACESTD
68 int top, bottom, left, right;
72 // View mode definitions
74 enum VIEW_MODES{ HUD_VIEW, PANEL_VIEW, CHASE_VIEW, TOWER_VIEW };
76 // DAY, NIGHT and brightness levels need to be visible where dialogs and
77 // controls can be used to set intensity and appropriate color. This will
79 // Hud general constants
95 enum fgLabelJust{ LEFT_JUST, CENTER_JUST, RIGHT_JUST } ;
100 #define UPPER_CENTER 3
101 #define UPPER_RIGHT 4
102 #define CENTER_RIGHT 5
103 #define LOWER_RIGHT 6
104 #define LOWER_CENTER 7
106 #define CENTER_LEFT 9
107 #define SOLID_LINES 10
108 #define DASHED_LINES 11
109 #define DASHED_NEG_LINES 12
112 #define HORIZON_FIXED 1
113 #define HORIZON_MOVING 2
114 #define LABEL_COUNTER 1
115 #define LABEL_WARNING 2
117 #define HUDS_AUTOTICKS 0x0001
118 #define HUDS_VERT 0x0002
\r
119 #define HUDS_HORZ 0x0000
\r
120 #define HUDS_TOP 0x0004
\r
121 #define HUDS_BOTTOM 0x0008
\r
122 #define HUDS_LEFT HUDS_TOP
\r
123 #define HUDS_RIGHT HUDS_BOTTOM
\r
124 #define HUDS_BOTH (HUDS_LEFT | HUDS_RIGHT)
\r
125 #define HUDS_NOTICKS 0x0010
\r
126 #define HUDS_ARITHTIC 0x0020
\r
127 #define HUDS_DECITICS 0x0040
\r
128 #define HUDS_NOTEXT 0x0080
\r
131 // #define HUD_VERTICAL 1
132 // #define HUD_HORIZONTAL 2
133 // #define HUD_FREEFLOAT 3
135 // Ladder orientation modes
136 // #define HUD_LEFT 1
137 // #define HUD_RIGHT 2
139 // #define HUD_BOTTOM 2
140 // #define HUD_V_LEFT 1
141 // #define HUD_V_RIGHT 2
142 // #define HUD_H_TOP 1
143 // #define HUD_H_BOTTOM 2
148 // #define HUD_NOLIM 2
149 // #define HUD_CIRC 3
151 // #define HUD_INSTR_LADDER 1
152 // #define HUD_INSTR_CLADDER 2
153 // #define HUD_INSTR_HORIZON 3
154 // #define HUD_INSTR_LABEL 4
156 extern double get_throttleval ( void );
157 extern double get_aileronval ( void );
158 extern double get_elevatorval ( void );
159 extern double get_elev_trimval( void );
160 extern double get_rudderval ( void );
161 extern double get_speed ( void );
162 extern double get_aoa ( void );
163 extern double get_roll ( void );
164 extern double get_pitch ( void );
165 extern double get_heading ( void );
166 extern double get_altitude ( void );
167 extern double get_sideslip ( void );
168 extern double get_frame_rate ( void );
169 extern double get_latitude ( void );
170 extern double get_lat_min ( void );
171 extern double get_longitude ( void );
172 extern double get_long_min ( void );
173 extern double get_fov ( void );
174 extern double get_vfc_ratio ( void );
176 enum hudinstype{ HUDno_instr,
188 class instr_item { // An Abstract Base Class (ABC)
190 static UINT instances; // More than 64K instruments? Nah!
192 RECT scrn_pos; // Framing - affects scale dimensions
193 // and orientation. Vert vs Horz, etc.
194 DBLFNPTR load_value_fn;
199 UINT scr_span; // Working values for draw;
207 DBLFNPTR data_source,
209 bool working = true);
211 instr_item( const instr_item & image );
213 instr_item & operator = ( const instr_item & rhs );
214 virtual ~instr_item ();
216 int get_brightness ( void ) { return brightness;}
217 RECT get_location ( void ) { return scrn_pos; }
218 bool is_broken ( void ) { return broken; }
219 bool enabled ( void ) { return is_enabled;}
220 double get_value ( void ) { return load_value_fn();}
221 UINT get_span ( void ) { return scr_span; }
222 POINT get_centroid ( void ) { return mid_span; }
223 UINT get_options ( void ) { return opts; }
225 virtual void display_enable( bool working ) { is_enabled = !! working;}
228 virtual void update( void );
229 virtual void break_display ( bool bad );
230 virtual void SetBrightness( int illumination_level ); // fgHUDSetBright...
231 void SetPosition ( int x, int y, UINT width, UINT height );
232 UINT get_Handle( void );
233 virtual void draw( void ) = 0; // Required method in derived classes
236 typedef instr_item *HIptr;
237 extern deque< instr_item *> HUD_deque;
239 // instr_item This class has no other purpose than to maintain
240 // a linked list of instrument and derived class
244 class instr_label : public instr_item {
248 const char *post_str;
258 DBLFNPTR data_source,
259 const char *label_format,
260 const char *pre_label_string = 0,
261 const char *post_label_string = 0,
262 UINT options = HUDS_TOP,
263 fgLabelJust justification = CENTER_JUST,
264 int font_size = SMALL,
265 int blinking = NOBLINK,
266 bool working = true);
270 instr_label( const instr_label & image);
271 instr_label & operator = (const instr_label & rhs );
273 virtual void draw( void ); // Required method in base class
276 typedef instr_label * pInstlabel;
279 // instr_scale This class is an abstract base class for both moving
280 // scale and moving needle (fixed scale) indicators. It
281 // does not draw itself, but is not instanciable.
284 class instr_scale : public instr_item {
286 double range_shown; // Width Units.
287 double Maximum_value; // ceiling.
288 double Minimum_value; // Representation floor.
289 double scale_factor; // factor => screen units/range values.
290 UINT Maj_div; // major division marker units
291 UINT Min_div; // minor division marker units
292 double disp_factor; // Multiply by to get numbers shown on scale.
293 UINT Modulo; // Roll over point
294 int signif_digits; // digits to show to the right.
304 double max_value = 100.0,
305 double min_value = 0.0,
306 double disp_scaling = 1.0,
307 UINT major_divs = 10,
311 bool working = true);
313 virtual ~instr_scale();
314 instr_scale( const instr_scale & image);
315 instr_scale & operator = (const instr_scale & rhs);
317 virtual void draw ( void ) {}; // No-op here. Defined in derived classes.
318 UINT div_min ( void ) { return Min_div;}
319 UINT div_max ( void ) { return Maj_div;}
320 double min_val ( void ) { return Minimum_value;}
321 double max_val ( void ) { return Maximum_value;}
322 UINT modulo ( void ) { return Modulo; }
323 double factor ( void ) { return scale_factor;}
324 double range_to_show( void ) { return range_shown;}
327 // hud_card_ This class displays the indicated quantity on
328 // a scale that moves past the pointer. It may be
329 // horizontal or vertical, read above(left) or below(right) of the base
332 class hud_card : public instr_scale {
335 double half_width_units;
344 double maxValue = 100.0,
345 double minValue = 0.0,
346 double disp_scaling = 1.0,
347 UINT major_divs = 10,
349 UINT modulator = 100,
351 double value_span = 100.0,
352 bool working = true);
355 hud_card( const hud_card & image);
356 hud_card & operator = (const hud_card & rhs );
357 // virtual void display_enable( bool setting );
358 virtual void draw( void ); // Required method in base class
361 typedef hud_card * pCardScale;
363 class guage_instr : public instr_scale {
373 double disp_scaling = 1.0,
374 double maxValue = 100,
376 UINT major_divs = 50,
380 bool working = true);
383 guage_instr( const guage_instr & image);
384 guage_instr & operator = (const guage_instr & rhs );
385 virtual void draw( void ); // Required method in base class
388 typedef guage_instr * pGuageInst;
390 // dual_instr_item This class was created to form the base class
391 // for both panel and HUD Turn Bank Indicators.
393 class dual_instr_item : public instr_item {
395 DBLFNPTR alt_data_source;
398 dual_instr_item ( int x,
402 DBLFNPTR chn1_source,
403 DBLFNPTR chn2_source,
405 UINT options = HUDS_TOP);
407 virtual ~dual_instr_item() {};
408 dual_instr_item( const dual_instr_item & image);
409 dual_instr_item & operator = (const dual_instr_item & rhs );
411 double current_ch1( void ) { return alt_data_source();}
412 double current_ch2( void ) { return get_value();}
413 virtual void draw ( void ) { }
416 class fgTBI_instr : public dual_instr_item {
427 DBLFNPTR chn1_source = get_roll,
428 DBLFNPTR chn2_source = get_sideslip,
429 double maxBankAngle = 45.0,
430 double maxSlipAngle = 5.0,
431 UINT gap_width = 5.0,
432 bool working = true);
434 fgTBI_instr( const fgTBI_instr & image);
435 fgTBI_instr & operator = (const fgTBI_instr & rhs );
439 UINT bank_limit( void ) { return BankLimit;}
440 UINT slew_limit( void ) { return SlewLimit;}
442 virtual void draw( void ); // Required method in base class
445 typedef fgTBI_instr * pTBI;
447 class HudLadder : public dual_instr_item {
463 DBLFNPTR ptch_source = get_roll,
464 DBLFNPTR roll_source = get_pitch,
465 double span_units = 45.0,
466 double division_units = 10.0,
467 double minor_division = 0.0,
468 UINT screen_hole = 70,
470 bool working = true );
474 HudLadder( const HudLadder & image );
475 HudLadder & operator = ( const HudLadder & rhs );
476 virtual void draw( void );
480 //using namespace std;
481 //deque <instr_item> * Hdeque_ptr;
483 extern int fgHUDInit( fgAIRCRAFT * /* current_aircraft */ );
484 extern void fgUpdateHUD( void );
486 extern void drawOneLine ( UINT x1, UINT y1, UINT x2, UINT y2);
487 extern void drawOneLine ( RECT &rect);
488 extern void textString ( int x,
491 void *font = GLUT_BITMAP_8_BY_13);
492 extern void strokeString( int x,
495 void *font = GLUT_STROKE_ROMAN,
498 bool AddHUDInstrument( instr_item *pBlackBox );
499 void DrawHUD ( void );
500 bool DamageInstrument( INSTR_HANDLE unit );
501 bool RepairInstrument( INSTR_HANDLE unit );
504 void fgUpdateHUD ( Hptr hud );
505 void fgUpdateHUD2( Hptr hud ); // Future use?
506 void fgHUDSetTimeMode( Hptr hud, int time_of_day );
512 /* Revision 1.8 1998/07/03 13:16:29 curt
513 /* Added Charlie Hotchkiss's HUD updates and improvementes.
515 * Revision 1.6 1998/06/03 00:43:28 curt
516 * No .h when including stl stuff.
518 * Revision 1.5 1998/05/17 16:58:13 curt
519 * Added a View Frustum Culling ratio display to the hud.
521 * Revision 1.4 1998/05/16 13:04:15 curt
522 * New updates from Charlie Hotchkiss.
524 * Revision 1.3 1998/05/13 18:27:55 curt
525 * Added an fov to hud display.
527 * Revision 1.2 1998/05/11 18:13:12 curt
528 * Complete C++ rewrite of all cockpit code by Charlie Hotchkiss.
530 * Revision 1.15 1998/02/23 19:07:57 curt
531 * Incorporated Durk's Astro/ tweaks. Includes unifying the sun position
532 * calculation code between sun display, and other FG sections that use this
533 * for things like lighting.
535 * Revision 1.14 1998/02/21 14:53:14 curt
536 * Added Charlie's HUD changes.
538 * Revision 1.13 1998/02/20 00:16:22 curt
541 * Revision 1.12 1998/02/19 13:05:52 curt
542 * Incorporated some HUD tweaks from Michelle America.
543 * Tweaked the sky's sunset/rise colors.
544 * Other misc. tweaks.
546 * Revision 1.11 1998/02/16 13:38:42 curt
547 * Integrated changes from Charlie Hotchkiss.
549 * Revision 1.11 1998/02/16 13:38:42 curt
550 * Integrated changes from Charlie Hotchkiss.
552 * Revision 1.10 1998/02/12 21:59:42 curt
553 * Incorporated code changes contributed by Charlie Hotchkiss
554 * <chotchkiss@namg.us.anritsu.com>
556 * Revision 1.8 1998/02/07 15:29:35 curt
557 * Incorporated HUD changes and struct/typedef changes from Charlie Hotchkiss
558 * <chotchkiss@namg.us.anritsu.com>
560 * Revision 1.7 1998/02/03 23:20:15 curt
561 * Lots of little tweaks to fix various consistency problems discovered by
562 * Solaris' CC. Fixed a bug in fg_debug.c with how the fgPrintf() wrapper
563 * passed arguments along to the real printf(). Also incorporated HUD changes
564 * by Michele America.
566 * Revision 1.6 1998/01/22 02:59:30 curt
567 * Changed #ifdef FILE_H to #ifdef _FILE_H
569 * Revision 1.5 1998/01/19 19:27:01 curt
570 * Merged in make system changes from Bob Kuehne <rpk@sgi.com>
571 * This should simplify things tremendously.
573 * Revision 1.4 1998/01/19 18:40:21 curt
574 * Tons of little changes to clean up the code and to remove fatal errors
575 * when building with the c++ compiler.
577 * Revision 1.3 1997/12/30 16:36:41 curt
578 * Merged in Durk's changes ...
580 * Revision 1.2 1997/12/10 22:37:40 curt
581 * Prepended "fg" on the name of all global structures that didn't have it yet.
582 * i.e. "struct WEATHER {}" became "struct fgWEATHER {}"
584 * Revision 1.1 1997/08/29 18:03:22 curt