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++
41 extern "C" void *memmove(void *, const void *, size_t);
42 extern "C" void *memset(void *, int, size_t);
45 #include <fg_typedefs.h>
46 #include <fg_constants.h>
48 #include <Aircraft/aircraft.h>
49 #include <Flight/flight.h>
50 #include <Controls/controls.h>
52 //using namespace std;
54 #include <deque> // STL
64 int top, bottom, left, right;
70 // View mode definitions
72 enum VIEW_MODES{ HUD_VIEW, PANEL_VIEW, CHASE_VIEW, TOWER_VIEW };
74 // DAY, NIGHT and brightness levels need to be visible where dialogs and
75 // controls can be used to set intensity and appropriate color. This will
77 // Hud general constants
93 enum fgLabelJust{ LEFT_JUST, CENTER_JUST, RIGHT_JUST } ;
98 #define UPPER_CENTER 3
100 #define CENTER_RIGHT 5
101 #define LOWER_RIGHT 6
102 #define LOWER_CENTER 7
104 #define CENTER_LEFT 9
105 #define SOLID_LINES 10
106 #define DASHED_LINES 11
107 #define DASHED_NEG_LINES 12
110 #define HORIZON_FIXED 1
111 #define HORIZON_MOVING 2
112 #define LABEL_COUNTER 1
113 #define LABEL_WARNING 2
116 // #define HUD_VERTICAL 1
117 // #define HUD_HORIZONTAL 2
118 // #define HUD_FREEFLOAT 3
120 // Ladder orientation modes
121 // #define HUD_LEFT 1
122 // #define HUD_RIGHT 2
124 // #define HUD_BOTTOM 2
125 // #define HUD_V_LEFT 1
126 // #define HUD_V_RIGHT 2
127 // #define HUD_H_TOP 1
128 // #define HUD_H_BOTTOM 2
133 // #define HUD_NOLIM 2
134 // #define HUD_CIRC 3
136 // #define HUD_INSTR_LADDER 1
137 // #define HUD_INSTR_CLADDER 2
138 // #define HUD_INSTR_HORIZON 3
139 // #define HUD_INSTR_LABEL 4
141 extern double get_throttleval ( void );
142 extern double get_aileronval ( void );
143 extern double get_elevatorval ( void );
144 extern double get_elev_trimval( void );
145 extern double get_rudderval ( void );
146 extern double get_speed ( void );
147 extern double get_aoa ( void );
148 extern double get_roll ( void );
149 extern double get_pitch ( void );
150 extern double get_heading ( void );
151 extern double get_altitude ( void );
152 extern double get_sideslip ( void );
153 extern double get_frame_rate ( void );
154 extern double get_latitude ( void );
155 extern double get_lat_min ( void );
156 extern double get_longitude ( void );
157 extern double get_long_min ( void );
158 extern double get_fov ( void );
159 extern double get_vfc_ratio ( void );
161 enum hudinstype{ HUDno_instr,
173 enum ReadOriented{ ReadRIGHT, ReadLEFT, ReadTOP, ReadBOTTOM };
175 class instr_item { // An Abstract Base Class (ABC)
177 static UINT instances; // More than 64K instruments? Nah!
179 RECT scrn_pos; // Framing - affects scale dimensions
180 // and orientation. Vert vs Horz, etc.
181 DBLFNPTR load_value_fn;
182 ReadOriented oriented;
186 UINT scr_span; // Working values for draw;
190 instr_item( RECT scrn_pos,
191 DBLFNPTR data_source,
193 bool working = true);
195 instr_item( const instr_item & image );
197 instr_item & operator = ( const instr_item & rhs );
198 virtual ~instr_item ();
200 int get_brightness ( void ) { return brightness;}
201 RECT get_location ( void ) { return scrn_pos; }
202 bool is_broken ( void ) { return broken; }
203 bool enabled ( void ) { return is_enabled;}
204 double get_value ( void ) { return load_value_fn();}
205 UINT get_span ( void ) { return scr_span; }
206 POINT get_centroid ( void ) { return mid_span; }
207 ReadOriented get_orientation ( void ) { return oriented; }
209 virtual void display_enable( bool working ) { is_enabled = !! working;}
212 virtual void update( void );
213 virtual void break_display ( bool bad );
214 virtual void SetBrightness( int illumination_level ); // fgHUDSetBright...
215 UINT get_Handle( void );
216 virtual void draw( void ) = 0; // Required method in derived classes
219 typedef instr_item *HIptr;
221 extern deque< instr_item * > HUD_deque;
223 // instr_item This class has no other purpose than to maintain
224 // a linked list of instrument and derived class
228 class instr_label : public instr_item {
232 const char *post_str;
238 instr_label( RECT the_box,
239 DBLFNPTR data_source,
240 const char *label_format,
241 const char *pre_label_string = 0,
242 const char *post_label_string = 0,
243 ReadOriented orientation = ReadTOP,
244 fgLabelJust justification = CENTER_JUST,
245 int font_size = SMALL,
246 int blinking = NOBLINK,
247 bool working = true);
251 instr_label( const instr_label & image);
252 instr_label & operator = (const instr_label & rhs );
254 virtual void draw( void ); // Required method in base class
257 typedef instr_label * pInstlabel;
260 // instr_scale This class is an abstract base class for both moving
261 // scale and moving needle (fixed scale) indicators. It
262 // does not draw itself, but is not instanciable.
265 class instr_scale : public instr_item {
267 int range_shown; // Width Units.
268 int Maximum_value; // ceiling.
269 int Minimum_value; // Representation floor.
270 UINT Maj_div; // major division marker units
271 UINT Min_div; // minor division marker units
272 UINT Modulo; // Roll over point
273 double scale_factor; // factor => screen units/range values.
276 instr_scale( RECT the_box,
282 UINT major_divs = 10,
285 bool working = true);
287 virtual ~instr_scale();
288 instr_scale( const instr_scale & image);
289 instr_scale & operator = (const instr_scale & rhs);
291 virtual void draw ( void ) {}; // No-op here. Defined in derived classes.
292 UINT div_min ( void ) { return Min_div;}
293 UINT div_max ( void ) { return Maj_div;}
294 int min_val ( void ) { return Minimum_value;}
295 int max_val ( void ) { return Maximum_value;}
296 UINT modulo ( void ) { return Modulo; }
297 double factor ( void ) { return scale_factor;}
298 double range_to_show( void ) { return range_shown;}
301 // moving_scale_instr This class displays the indicated quantity on
302 // a scale that moves past the pointer. It may be
303 // horizontal or vertical, read above(left) or below(right) of the base
306 class moving_scale : public instr_scale {
309 double half_width_units;
312 moving_scale( RECT box,
314 ReadOriented readway,
321 bool working = true);
324 moving_scale( const moving_scale & image);
325 moving_scale & operator = (const moving_scale & rhs );
326 // virtual void display_enable( bool setting );
327 virtual void draw( void ); // Required method in base class
330 typedef moving_scale * pMoveScale;
332 class guage_instr : public instr_scale {
336 guage_instr( RECT box,
338 ReadOriented readway,
344 bool working = true);
347 guage_instr( const guage_instr & image);
348 guage_instr & operator = (const guage_instr & rhs );
349 virtual void draw( void ); // Required method in base class
352 typedef guage_instr * pGuageInst;
354 // dual_instr_item This class was created to form the base class
355 // for both panel and HUD Turn Bank Indicators.
357 class dual_instr_item : public instr_item {
359 DBLFNPTR alt_data_source;
362 dual_instr_item ( RECT the_box,
363 DBLFNPTR chn1_source,
364 DBLFNPTR chn2_source,
366 ReadOriented readway = ReadTOP);
368 virtual ~dual_instr_item() {};
369 dual_instr_item( const dual_instr_item & image);
370 dual_instr_item & operator = (const dual_instr_item & rhs );
372 double current_ch1( void ) { return alt_data_source();}
373 double current_ch2( void ) { return get_value();}
374 virtual void draw ( void ) { }
377 class fgTBI_instr : public dual_instr_item {
384 fgTBI_instr( RECT the_box,
385 DBLFNPTR chn1_source = get_roll,
386 DBLFNPTR chn2_source = get_sideslip,
387 UINT maxBankAngle = 45,
388 UINT maxSlipAngle = 5,
390 bool working = true);
392 fgTBI_instr( const fgTBI_instr & image);
393 fgTBI_instr & operator = (const fgTBI_instr & rhs );
397 UINT bank_limit( void ) { return BankLimit;}
398 UINT slew_limit( void ) { return SlewLimit;}
400 virtual void draw( void ); // Required method in base class
403 typedef fgTBI_instr * pTBI;
405 class HudLadder : public dual_instr_item {
417 HudLadder( RECT the_box,
418 DBLFNPTR ptch_source = get_roll,
419 DBLFNPTR roll_source = get_pitch,
420 UINT span_units = 45,
421 int division_units = 10,
422 UINT minor_division = 0,
423 UINT screen_hole = 70,
425 bool working = true );
429 HudLadder( const HudLadder & image );
430 HudLadder & operator = ( const HudLadder & rhs );
431 virtual void draw( void );
435 //using namespace std;
436 //deque <instr_item> * Hdeque_ptr;
438 extern int fgHUDInit( fgAIRCRAFT * /* current_aircraft */ );
439 extern void fgUpdateHUD( void );
442 bool AddHUDInstrument( instr_item *pBlackBox );
443 void DrawHUD ( void );
444 bool DamageInstrument( INSTR_HANDLE unit );
445 bool RepairInstrument( INSTR_HANDLE unit );
448 void fgUpdateHUD ( Hptr hud );
449 void fgUpdateHUD2( Hptr hud ); // Future use?
450 void fgHUDSetTimeMode( Hptr hud, int time_of_day );
456 /* Revision 1.7 1998/06/12 00:56:00 curt
457 /* Build only static libraries.
458 /* Declare memmove/memset for Sloaris.
460 * Revision 1.6 1998/06/03 00:43:28 curt
461 * No .h when including stl stuff.
463 * Revision 1.5 1998/05/17 16:58:13 curt
464 * Added a View Frustum Culling ratio display to the hud.
466 * Revision 1.4 1998/05/16 13:04:15 curt
467 * New updates from Charlie Hotchkiss.
469 * Revision 1.3 1998/05/13 18:27:55 curt
470 * Added an fov to hud display.
472 * Revision 1.2 1998/05/11 18:13:12 curt
473 * Complete C++ rewrite of all cockpit code by Charlie Hotchkiss.
475 * Revision 1.15 1998/02/23 19:07:57 curt
476 * Incorporated Durk's Astro/ tweaks. Includes unifying the sun position
477 * calculation code between sun display, and other FG sections that use this
478 * for things like lighting.
480 * Revision 1.14 1998/02/21 14:53:14 curt
481 * Added Charlie's HUD changes.
483 * Revision 1.13 1998/02/20 00:16:22 curt
486 * Revision 1.12 1998/02/19 13:05:52 curt
487 * Incorporated some HUD tweaks from Michelle America.
488 * Tweaked the sky's sunset/rise colors.
489 * Other misc. tweaks.
491 * Revision 1.11 1998/02/16 13:38:42 curt
492 * Integrated changes from Charlie Hotchkiss.
494 * Revision 1.11 1998/02/16 13:38:42 curt
495 * Integrated changes from Charlie Hotchkiss.
497 * Revision 1.10 1998/02/12 21:59:42 curt
498 * Incorporated code changes contributed by Charlie Hotchkiss
499 * <chotchkiss@namg.us.anritsu.com>
501 * Revision 1.8 1998/02/07 15:29:35 curt
502 * Incorporated HUD changes and struct/typedef changes from Charlie Hotchkiss
503 * <chotchkiss@namg.us.anritsu.com>
505 * Revision 1.7 1998/02/03 23:20:15 curt
506 * Lots of little tweaks to fix various consistency problems discovered by
507 * Solaris' CC. Fixed a bug in fg_debug.c with how the fgPrintf() wrapper
508 * passed arguments along to the real printf(). Also incorporated HUD changes
509 * by Michele America.
511 * Revision 1.6 1998/01/22 02:59:30 curt
512 * Changed #ifdef FILE_H to #ifdef _FILE_H
514 * Revision 1.5 1998/01/19 19:27:01 curt
515 * Merged in make system changes from Bob Kuehne <rpk@sgi.com>
516 * This should simplify things tremendously.
518 * Revision 1.4 1998/01/19 18:40:21 curt
519 * Tons of little changes to clean up the code and to remove fatal errors
520 * when building with the c++ compiler.
522 * Revision 1.3 1997/12/30 16:36:41 curt
523 * Merged in Durk's changes ...
525 * Revision 1.2 1997/12/10 22:37:40 curt
526 * Prepended "fg" on the name of all global structures that didn't have it yet.
527 * i.e. "struct WEATHER {}" became "struct fgWEATHER {}"
529 * Revision 1.1 1997/08/29 18:03:22 curt