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 **************************************************************************/
32 # error This library requires C++
39 #include <fg_typedefs.h>
40 #include <fg_constants.h>
41 #include <Aircraft/aircraft.h>
42 #include <Flight/flight.h>
43 #include <Controls/controls.h>
45 //using namespace std;
47 #include <deque.h> // STL
57 int top, bottom, left, right;
63 // View mode definitions
65 enum VIEW_MODES{ HUD_VIEW, PANEL_VIEW, CHASE_VIEW, TOWER_VIEW };
67 // DAY, NIGHT and brightness levels need to be visible where dialogs and
68 // controls can be used to set intensity and appropriate color. This will
70 // Hud general constants
86 enum fgLabelJust{ LEFT_JUST, CENTER_JUST, RIGHT_JUST } ;
91 #define UPPER_CENTER 3
93 #define CENTER_RIGHT 5
95 #define LOWER_CENTER 7
98 #define SOLID_LINES 10
99 #define DASHED_LINES 11
100 #define DASHED_NEG_LINES 12
103 #define HORIZON_FIXED 1
104 #define HORIZON_MOVING 2
105 #define LABEL_COUNTER 1
106 #define LABEL_WARNING 2
109 // #define HUD_VERTICAL 1
110 // #define HUD_HORIZONTAL 2
111 // #define HUD_FREEFLOAT 3
113 // Ladder orientation modes
114 // #define HUD_LEFT 1
115 // #define HUD_RIGHT 2
117 // #define HUD_BOTTOM 2
118 // #define HUD_V_LEFT 1
119 // #define HUD_V_RIGHT 2
120 // #define HUD_H_TOP 1
121 // #define HUD_H_BOTTOM 2
126 // #define HUD_NOLIM 2
127 // #define HUD_CIRC 3
129 // #define HUD_INSTR_LADDER 1
130 // #define HUD_INSTR_CLADDER 2
131 // #define HUD_INSTR_HORIZON 3
132 // #define HUD_INSTR_LABEL 4
134 extern double get_throttleval ( void );
135 extern double get_aileronval ( void );
136 extern double get_elevatorval ( void );
137 extern double get_elev_trimval( void );
138 extern double get_rudderval ( void );
139 extern double get_speed ( void );
140 extern double get_aoa ( void );
141 extern double get_roll ( void );
142 extern double get_pitch ( void );
143 extern double get_heading ( void );
144 extern double get_altitude ( void );
145 extern double get_sideslip ( void );
146 extern double get_frame_rate ( void );
147 extern double get_latitude ( void );
148 extern double get_lat_min ( void );
149 extern double get_longitude ( void );
150 extern double get_long_min ( void );
151 extern double get_fov ( void );
153 enum hudinstype{ HUDno_instr,
165 enum ReadOriented{ ReadRIGHT, ReadLEFT, ReadTOP, ReadBOTTOM };
167 class instr_item { // An Abstract Base Class (ABC)
169 static UINT instances; // More than 64K instruments? Nah!
171 RECT scrn_pos; // Framing - affects scale dimensions
172 // and orientation. Vert vs Horz, etc.
173 DBLFNPTR load_value_fn;
174 ReadOriented oriented;
178 UINT scr_span; // Working values for draw;
182 instr_item( RECT scrn_pos,
183 DBLFNPTR data_source,
185 bool working = true);
187 instr_item( const instr_item & image );
189 instr_item & operator = ( const instr_item & rhs );
190 virtual ~instr_item ();
192 int get_brightness ( void ) { return brightness;}
193 RECT get_location ( void ) { return scrn_pos; }
194 bool is_broken ( void ) { return broken; }
195 bool enabled ( void ) { return is_enabled;}
196 double get_value ( void ) { return load_value_fn();}
197 UINT get_span ( void ) { return scr_span; }
198 POINT get_centroid ( void ) { return mid_span; }
199 ReadOriented get_orientation ( void ) { return oriented; }
201 virtual void display_enable( bool working ) { is_enabled = !! working;}
204 virtual void update( void );
205 virtual void break_display ( bool bad );
206 virtual void SetBrightness( int illumination_level ); // fgHUDSetBright...
207 UINT get_Handle( void );
208 virtual void draw( void ) = 0; // Required method in derived classes
211 typedef instr_item *HIptr;
213 extern deque< instr_item * > HUD_deque;
215 // instr_item This class has no other purpose than to maintain
216 // a linked list of instrument and derived class
220 class instr_label : public instr_item {
224 const char *post_str;
230 instr_label( RECT the_box,
231 DBLFNPTR data_source,
232 const char *label_format,
233 const char *pre_label_string = 0,
234 const char *post_label_string = 0,
235 ReadOriented orientation = ReadTOP,
236 fgLabelJust justification = CENTER_JUST,
237 int font_size = SMALL,
238 int blinking = NOBLINK,
239 bool working = true);
243 instr_label( const instr_label & image);
244 instr_label & operator = (const instr_label & rhs );
246 virtual void draw( void ); // Required method in base class
249 typedef instr_label * pInstlabel;
252 // instr_scale This class is an abstract base class for both moving
253 // scale and moving needle (fixed scale) indicators. It
254 // does not draw itself, but is not instanciable.
257 class instr_scale : public instr_item {
259 int range_shown; // Width Units.
260 int Maximum_value; // ceiling.
261 int Minimum_value; // Representation floor.
262 UINT Maj_div; // major division marker units
263 UINT Min_div; // minor division marker units
264 UINT Modulo; // Roll over point
265 double scale_factor; // factor => screen units/range values.
268 instr_scale( RECT the_box,
274 UINT major_divs = 10,
277 bool working = true);
279 virtual ~instr_scale();
280 instr_scale( const instr_scale & image);
281 instr_scale & operator = (const instr_scale & rhs);
283 virtual void draw ( void ) {}; // No-op here. Defined in derived classes.
284 UINT div_min ( void ) { return Min_div;}
285 UINT div_max ( void ) { return Maj_div;}
286 int min_val ( void ) { return Minimum_value;}
287 int max_val ( void ) { return Maximum_value;}
288 UINT modulo ( void ) { return Modulo; }
289 double factor ( void ) { return scale_factor;}
290 double range_to_show( void ) { return range_shown;}
293 // moving_scale_instr This class displays the indicated quantity on
294 // a scale that moves past the pointer. It may be
295 // horizontal or vertical, read above(left) or below(right) of the base
298 class moving_scale : public instr_scale {
301 double half_width_units;
304 moving_scale( RECT box,
306 ReadOriented readway,
313 bool working = true);
316 moving_scale( const moving_scale & image);
317 moving_scale & operator = (const moving_scale & rhs );
318 // virtual void display_enable( bool setting );
319 virtual void draw( void ); // Required method in base class
322 typedef moving_scale * pMoveScale;
324 class guage_instr : public instr_scale {
328 guage_instr( RECT box,
330 ReadOriented readway,
336 bool working = true);
339 guage_instr( const guage_instr & image);
340 guage_instr & operator = (const guage_instr & rhs );
341 virtual void draw( void ); // Required method in base class
344 typedef guage_instr * pGuageInst;
346 // dual_instr_item This class was created to form the base class
347 // for both panel and HUD Turn Bank Indicators.
349 class dual_instr_item : public instr_item {
351 DBLFNPTR alt_data_source;
354 dual_instr_item ( RECT the_box,
355 DBLFNPTR chn1_source,
356 DBLFNPTR chn2_source,
358 ReadOriented readway = ReadTOP);
360 virtual ~dual_instr_item() {};
361 dual_instr_item( const dual_instr_item & image);
362 dual_instr_item & operator = (const dual_instr_item & rhs );
364 double current_ch1( void ) { return alt_data_source();}
365 double current_ch2( void ) { return get_value();}
366 virtual void draw ( void ) { }
369 class fgTBI_instr : public dual_instr_item {
376 fgTBI_instr( RECT the_box,
377 DBLFNPTR chn1_source = get_roll,
378 DBLFNPTR chn2_source = get_sideslip,
379 UINT maxBankAngle = 45,
380 UINT maxSlipAngle = 5,
382 bool working = true);
384 fgTBI_instr( const fgTBI_instr & image);
385 fgTBI_instr & operator = (const fgTBI_instr & rhs );
389 UINT bank_limit( void ) { return BankLimit;}
390 UINT slew_limit( void ) { return SlewLimit;}
392 virtual void draw( void ); // Required method in base class
395 typedef fgTBI_instr * pTBI;
397 class HudLadder : public dual_instr_item {
409 HudLadder( RECT the_box,
410 DBLFNPTR ptch_source = get_roll,
411 DBLFNPTR roll_source = get_pitch,
412 UINT span_units = 45,
413 int division_units = 10,
414 UINT minor_division = 0,
415 UINT screen_hole = 70,
417 bool working = true );
421 HudLadder( const HudLadder & image );
422 HudLadder & operator = ( const HudLadder & rhs );
423 virtual void draw( void );
427 //using namespace std;
428 //deque <instr_item> * Hdeque_ptr;
430 extern int fgHUDInit( fgAIRCRAFT * /* current_aircraft */ );
431 extern void fgUpdateHUD( void );
434 bool AddHUDInstrument( instr_item *pBlackBox );
435 void DrawHUD ( void );
436 bool DamageInstrument( INSTR_HANDLE unit );
437 bool RepairInstrument( INSTR_HANDLE unit );
440 void fgUpdateHUD ( Hptr hud );
441 void fgUpdateHUD2( Hptr hud ); // Future use?
442 void fgHUDSetTimeMode( Hptr hud, int time_of_day );
448 /* Revision 1.4 1998/05/16 13:04:15 curt
449 /* New updates from Charlie Hotchkiss.
451 * Revision 1.3 1998/05/13 18:27:55 curt
452 * Added an fov to hud display.
454 * Revision 1.2 1998/05/11 18:13:12 curt
455 * Complete C++ rewrite of all cockpit code by Charlie Hotchkiss.
457 * Revision 1.15 1998/02/23 19:07:57 curt
458 * Incorporated Durk's Astro/ tweaks. Includes unifying the sun position
459 * calculation code between sun display, and other FG sections that use this
460 * for things like lighting.
462 * Revision 1.14 1998/02/21 14:53:14 curt
463 * Added Charlie's HUD changes.
465 * Revision 1.13 1998/02/20 00:16:22 curt
468 * Revision 1.12 1998/02/19 13:05:52 curt
469 * Incorporated some HUD tweaks from Michelle America.
470 * Tweaked the sky's sunset/rise colors.
471 * Other misc. tweaks.
473 * Revision 1.11 1998/02/16 13:38:42 curt
474 * Integrated changes from Charlie Hotchkiss.
476 * Revision 1.11 1998/02/16 13:38:42 curt
477 * Integrated changes from Charlie Hotchkiss.
479 * Revision 1.10 1998/02/12 21:59:42 curt
480 * Incorporated code changes contributed by Charlie Hotchkiss
481 * <chotchkiss@namg.us.anritsu.com>
483 * Revision 1.8 1998/02/07 15:29:35 curt
484 * Incorporated HUD changes and struct/typedef changes from Charlie Hotchkiss
485 * <chotchkiss@namg.us.anritsu.com>
487 * Revision 1.7 1998/02/03 23:20:15 curt
488 * Lots of little tweaks to fix various consistency problems discovered by
489 * Solaris' CC. Fixed a bug in fg_debug.c with how the fgPrintf() wrapper
490 * passed arguments along to the real printf(). Also incorporated HUD changes
491 * by Michele America.
493 * Revision 1.6 1998/01/22 02:59:30 curt
494 * Changed #ifdef FILE_H to #ifdef _FILE_H
496 * Revision 1.5 1998/01/19 19:27:01 curt
497 * Merged in make system changes from Bob Kuehne <rpk@sgi.com>
498 * This should simplify things tremendously.
500 * Revision 1.4 1998/01/19 18:40:21 curt
501 * Tons of little changes to clean up the code and to remove fatal errors
502 * when building with the c++ compiler.
504 * Revision 1.3 1997/12/30 16:36:41 curt
505 * Merged in Durk's changes ...
507 * Revision 1.2 1997/12/10 22:37:40 curt
508 * Prepended "fg" on the name of all global structures that didn't have it yet.
509 * i.e. "struct WEATHER {}" became "struct fgWEATHER {}"
511 * Revision 1.1 1997/08/29 18:03:22 curt