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> // 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 );
152 extern double get_vfc_ratio ( void );
154 enum hudinstype{ HUDno_instr,
166 enum ReadOriented{ ReadRIGHT, ReadLEFT, ReadTOP, ReadBOTTOM };
168 class instr_item { // An Abstract Base Class (ABC)
170 static UINT instances; // More than 64K instruments? Nah!
172 RECT scrn_pos; // Framing - affects scale dimensions
173 // and orientation. Vert vs Horz, etc.
174 DBLFNPTR load_value_fn;
175 ReadOriented oriented;
179 UINT scr_span; // Working values for draw;
183 instr_item( RECT scrn_pos,
184 DBLFNPTR data_source,
186 bool working = true);
188 instr_item( const instr_item & image );
190 instr_item & operator = ( const instr_item & rhs );
191 virtual ~instr_item ();
193 int get_brightness ( void ) { return brightness;}
194 RECT get_location ( void ) { return scrn_pos; }
195 bool is_broken ( void ) { return broken; }
196 bool enabled ( void ) { return is_enabled;}
197 double get_value ( void ) { return load_value_fn();}
198 UINT get_span ( void ) { return scr_span; }
199 POINT get_centroid ( void ) { return mid_span; }
200 ReadOriented get_orientation ( void ) { return oriented; }
202 virtual void display_enable( bool working ) { is_enabled = !! working;}
205 virtual void update( void );
206 virtual void break_display ( bool bad );
207 virtual void SetBrightness( int illumination_level ); // fgHUDSetBright...
208 UINT get_Handle( void );
209 virtual void draw( void ) = 0; // Required method in derived classes
212 typedef instr_item *HIptr;
214 extern deque< instr_item * > HUD_deque;
216 // instr_item This class has no other purpose than to maintain
217 // a linked list of instrument and derived class
221 class instr_label : public instr_item {
225 const char *post_str;
231 instr_label( RECT the_box,
232 DBLFNPTR data_source,
233 const char *label_format,
234 const char *pre_label_string = 0,
235 const char *post_label_string = 0,
236 ReadOriented orientation = ReadTOP,
237 fgLabelJust justification = CENTER_JUST,
238 int font_size = SMALL,
239 int blinking = NOBLINK,
240 bool working = true);
244 instr_label( const instr_label & image);
245 instr_label & operator = (const instr_label & rhs );
247 virtual void draw( void ); // Required method in base class
250 typedef instr_label * pInstlabel;
253 // instr_scale This class is an abstract base class for both moving
254 // scale and moving needle (fixed scale) indicators. It
255 // does not draw itself, but is not instanciable.
258 class instr_scale : public instr_item {
260 int range_shown; // Width Units.
261 int Maximum_value; // ceiling.
262 int Minimum_value; // Representation floor.
263 UINT Maj_div; // major division marker units
264 UINT Min_div; // minor division marker units
265 UINT Modulo; // Roll over point
266 double scale_factor; // factor => screen units/range values.
269 instr_scale( RECT the_box,
275 UINT major_divs = 10,
278 bool working = true);
280 virtual ~instr_scale();
281 instr_scale( const instr_scale & image);
282 instr_scale & operator = (const instr_scale & rhs);
284 virtual void draw ( void ) {}; // No-op here. Defined in derived classes.
285 UINT div_min ( void ) { return Min_div;}
286 UINT div_max ( void ) { return Maj_div;}
287 int min_val ( void ) { return Minimum_value;}
288 int max_val ( void ) { return Maximum_value;}
289 UINT modulo ( void ) { return Modulo; }
290 double factor ( void ) { return scale_factor;}
291 double range_to_show( void ) { return range_shown;}
294 // moving_scale_instr This class displays the indicated quantity on
295 // a scale that moves past the pointer. It may be
296 // horizontal or vertical, read above(left) or below(right) of the base
299 class moving_scale : public instr_scale {
302 double half_width_units;
305 moving_scale( RECT box,
307 ReadOriented readway,
314 bool working = true);
317 moving_scale( const moving_scale & image);
318 moving_scale & operator = (const moving_scale & rhs );
319 // virtual void display_enable( bool setting );
320 virtual void draw( void ); // Required method in base class
323 typedef moving_scale * pMoveScale;
325 class guage_instr : public instr_scale {
329 guage_instr( RECT box,
331 ReadOriented readway,
337 bool working = true);
340 guage_instr( const guage_instr & image);
341 guage_instr & operator = (const guage_instr & rhs );
342 virtual void draw( void ); // Required method in base class
345 typedef guage_instr * pGuageInst;
347 // dual_instr_item This class was created to form the base class
348 // for both panel and HUD Turn Bank Indicators.
350 class dual_instr_item : public instr_item {
352 DBLFNPTR alt_data_source;
355 dual_instr_item ( RECT the_box,
356 DBLFNPTR chn1_source,
357 DBLFNPTR chn2_source,
359 ReadOriented readway = ReadTOP);
361 virtual ~dual_instr_item() {};
362 dual_instr_item( const dual_instr_item & image);
363 dual_instr_item & operator = (const dual_instr_item & rhs );
365 double current_ch1( void ) { return alt_data_source();}
366 double current_ch2( void ) { return get_value();}
367 virtual void draw ( void ) { }
370 class fgTBI_instr : public dual_instr_item {
377 fgTBI_instr( RECT the_box,
378 DBLFNPTR chn1_source = get_roll,
379 DBLFNPTR chn2_source = get_sideslip,
380 UINT maxBankAngle = 45,
381 UINT maxSlipAngle = 5,
383 bool working = true);
385 fgTBI_instr( const fgTBI_instr & image);
386 fgTBI_instr & operator = (const fgTBI_instr & rhs );
390 UINT bank_limit( void ) { return BankLimit;}
391 UINT slew_limit( void ) { return SlewLimit;}
393 virtual void draw( void ); // Required method in base class
396 typedef fgTBI_instr * pTBI;
398 class HudLadder : public dual_instr_item {
410 HudLadder( RECT the_box,
411 DBLFNPTR ptch_source = get_roll,
412 DBLFNPTR roll_source = get_pitch,
413 UINT span_units = 45,
414 int division_units = 10,
415 UINT minor_division = 0,
416 UINT screen_hole = 70,
418 bool working = true );
422 HudLadder( const HudLadder & image );
423 HudLadder & operator = ( const HudLadder & rhs );
424 virtual void draw( void );
428 //using namespace std;
429 //deque <instr_item> * Hdeque_ptr;
431 extern int fgHUDInit( fgAIRCRAFT * /* current_aircraft */ );
432 extern void fgUpdateHUD( void );
435 bool AddHUDInstrument( instr_item *pBlackBox );
436 void DrawHUD ( void );
437 bool DamageInstrument( INSTR_HANDLE unit );
438 bool RepairInstrument( INSTR_HANDLE unit );
441 void fgUpdateHUD ( Hptr hud );
442 void fgUpdateHUD2( Hptr hud ); // Future use?
443 void fgHUDSetTimeMode( Hptr hud, int time_of_day );
449 /* Revision 1.6 1998/06/03 00:43:28 curt
450 /* No .h when including stl stuff.
452 * Revision 1.5 1998/05/17 16:58:13 curt
453 * Added a View Frustum Culling ratio display to the hud.
455 * Revision 1.4 1998/05/16 13:04:15 curt
456 * New updates from Charlie Hotchkiss.
458 * Revision 1.3 1998/05/13 18:27:55 curt
459 * Added an fov to hud display.
461 * Revision 1.2 1998/05/11 18:13:12 curt
462 * Complete C++ rewrite of all cockpit code by Charlie Hotchkiss.
464 * Revision 1.15 1998/02/23 19:07:57 curt
465 * Incorporated Durk's Astro/ tweaks. Includes unifying the sun position
466 * calculation code between sun display, and other FG sections that use this
467 * for things like lighting.
469 * Revision 1.14 1998/02/21 14:53:14 curt
470 * Added Charlie's HUD changes.
472 * Revision 1.13 1998/02/20 00:16:22 curt
475 * Revision 1.12 1998/02/19 13:05:52 curt
476 * Incorporated some HUD tweaks from Michelle America.
477 * Tweaked the sky's sunset/rise colors.
478 * Other misc. tweaks.
480 * Revision 1.11 1998/02/16 13:38:42 curt
481 * Integrated changes from Charlie Hotchkiss.
483 * Revision 1.11 1998/02/16 13:38:42 curt
484 * Integrated changes from Charlie Hotchkiss.
486 * Revision 1.10 1998/02/12 21:59:42 curt
487 * Incorporated code changes contributed by Charlie Hotchkiss
488 * <chotchkiss@namg.us.anritsu.com>
490 * Revision 1.8 1998/02/07 15:29:35 curt
491 * Incorporated HUD changes and struct/typedef changes from Charlie Hotchkiss
492 * <chotchkiss@namg.us.anritsu.com>
494 * Revision 1.7 1998/02/03 23:20:15 curt
495 * Lots of little tweaks to fix various consistency problems discovered by
496 * Solaris' CC. Fixed a bug in fg_debug.c with how the fgPrintf() wrapper
497 * passed arguments along to the real printf(). Also incorporated HUD changes
498 * by Michele America.
500 * Revision 1.6 1998/01/22 02:59:30 curt
501 * Changed #ifdef FILE_H to #ifdef _FILE_H
503 * Revision 1.5 1998/01/19 19:27:01 curt
504 * Merged in make system changes from Bob Kuehne <rpk@sgi.com>
505 * This should simplify things tremendously.
507 * Revision 1.4 1998/01/19 18:40:21 curt
508 * Tons of little changes to clean up the code and to remove fatal errors
509 * when building with the c++ compiler.
511 * Revision 1.3 1997/12/30 16:36:41 curt
512 * Merged in Durk's changes ...
514 * Revision 1.2 1997/12/10 22:37:40 curt
515 * Prepended "fg" on the name of all global structures that didn't have it yet.
516 * i.e. "struct WEATHER {}" became "struct fgWEATHER {}"
518 * Revision 1.1 1997/08/29 18:03:22 curt