940 lines
27 KiB
C++
940 lines
27 KiB
C++
// hud.hxx -- hud defines and prototypes (initial draft)
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//
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// Written by Michele America, started September 1997.
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//
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// Copyright (C) 1997 Michele F. America - nomimarketing@mail.telepac.pt
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Id$
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#ifndef _HUD_HXX
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#define _HUD_HXX
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#ifndef __cplusplus
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# error This library requires C++
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#endif
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#include <simgear/compiler.h>
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#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 <GL/glut.h>
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#include <stdlib.h>
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#include <string.h>
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//#ifdef HAVE_VALUES_H
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//# include <values.h> // for MAXINT
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//#endif
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#include <vector> // STL vector
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#include <deque> // STL double ended queue
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#include <simgear/constants.h>
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#include <Include/fg_typedefs.h>
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#include <Aircraft/aircraft.hxx>
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#include <FDM/flight.hxx>
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#include <Controls/controls.hxx>
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#include <GUI/gui.h>
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#include "hud_opts.hxx"
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SG_USING_STD(deque);
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SG_USING_STD(vector);
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SG_USING_NAMESPACE(std);
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// some of Norman's crazy optimizations. :-)
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#ifndef WIN32
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typedef struct {
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int x, y;
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} POINT;
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typedef struct {
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int top, bottom, left, right;
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} RECT;
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#endif
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// View mode definitions
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enum VIEW_MODES{ HUD_VIEW, PANEL_VIEW, CHASE_VIEW, TOWER_VIEW };
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// DAY, NIGHT and brightness levels need to be visible where dialogs and
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// controls can be used to set intensity and appropriate color. This will
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// be moved.
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// Hud general constants
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#define DAY 1
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#define NIGHT 2
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#define BRT_BLACK 3
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#define BRT_DARK 4
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#define BRT_MEDIUM 5
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#define BRT_LIGHT 6
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#define SIZE_SMALL 7
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#define SIZE_LARGE 8
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// Label constants
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#define SMALL 1
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#define LARGE 2
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#define BLINK 3
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#define NOBLINK 4
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enum fgLabelJust{ LEFT_JUST, CENTER_JUST, RIGHT_JUST } ;
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// Ladder constants
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#define NONE 1
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#define UPPER_LEFT 2
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#define UPPER_CENTER 3
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#define UPPER_RIGHT 4
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#define CENTER_RIGHT 5
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#define LOWER_RIGHT 6
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#define LOWER_CENTER 7
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#define LOWER_LEFT 8
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#define CENTER_LEFT 9
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#define SOLID_LINES 10
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#define DASHED_LINES 11
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#define DASHED_NEG_LINES 12
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#define HORIZON_FIXED 1
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#define HORIZON_MOVING 2
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#define LABEL_COUNTER 1
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#define LABEL_WARNING 2
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#define HUDS_AUTOTICKS 0x0001
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#define HUDS_VERT 0x0002
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#define HUDS_HORZ 0x0000
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#define HUDS_TOP 0x0004
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#define HUDS_BOTTOM 0x0008
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#define HUDS_LEFT HUDS_TOP
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#define HUDS_RIGHT HUDS_BOTTOM
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#define HUDS_BOTH (HUDS_LEFT | HUDS_RIGHT)
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#define HUDS_NOTICKS 0x0010
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#define HUDS_ARITHTIC 0x0020
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#define HUDS_DECITICS 0x0040
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#define HUDS_NOTEXT 0x0080
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// Ladder orientaion
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// #define HUD_VERTICAL 1
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// #define HUD_HORIZONTAL 2
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// #define HUD_FREEFLOAT 3
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// Ladder orientation modes
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// #define HUD_LEFT 1
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// #define HUD_RIGHT 2
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// #define HUD_TOP 1
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// #define HUD_BOTTOM 2
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// #define HUD_V_LEFT 1
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// #define HUD_V_RIGHT 2
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// #define HUD_H_TOP 1
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// #define HUD_H_BOTTOM 2
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// Ladder sub-types
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// #define HUD_LIM 1
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// #define HUD_NOLIM 2
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// #define HUD_CIRC 3
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// #define HUD_INSTR_LADDER 1
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// #define HUD_INSTR_CLADDER 2
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// #define HUD_INSTR_HORIZON 3
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// #define HUD_INSTR_LABEL 4
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// in cockpit.cxx
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extern float get_throttleval ( void );
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extern float get_aileronval ( void );
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extern float get_elevatorval ( void );
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extern float get_elev_trimval( void );
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extern float get_rudderval ( void );
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extern float get_speed ( void );
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extern float get_aoa ( void );
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extern float get_roll ( void );
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extern float get_pitch ( void );
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extern float get_heading ( void );
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extern float get_view_direction( void );
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extern float get_altitude ( void );
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extern float get_agl ( void );
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extern float get_sideslip ( void );
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extern float get_frame_rate ( void );
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extern float get_latitude ( void );
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extern float get_lat_min ( void );
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extern float get_longitude ( void );
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extern float get_long_min ( void );
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extern float get_fov ( void );
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extern float get_vfc_ratio ( void );
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extern float get_vfc_tris_drawn ( void );
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extern float get_vfc_tris_culled ( void );
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extern float get_climb_rate ( void );
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extern float get_mach( void );
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extern char *coord_format_lat(float);
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extern char *coord_format_lon(float);
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//extern char *coord_format_latlon(float latitude, float longitude); // cockpit.cxx
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// $$$ begin - added, VS Renganathan, 13 Oct 2K
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// #define FIGHTER_HUD
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extern float get_anzg (void);
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extern float get_Vx (void);
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extern float get_Vy (void);
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extern float get_Vz (void);
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extern float get_Ax (void);
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extern float get_Ay (void);
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extern float get_Az (void);
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extern int get_iaux1 (void);
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extern int get_iaux2 (void);
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extern int get_iaux3 (void);
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extern int get_iaux4 (void);
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extern int get_iaux5 (void);
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extern int get_iaux6 (void);
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extern int get_iaux7 (void);
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extern int get_iaux8 (void);
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extern int get_iaux9 (void);
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extern int get_iaux10 (void);
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extern int get_iaux11 (void);
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extern int get_iaux12 (void);
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extern float get_aux1(void);
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extern float get_aux2(void);
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extern float get_aux3(void);
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extern float get_aux4(void);
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extern float get_aux5 (void);
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extern float get_aux6 (void);
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extern float get_aux8(void);
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extern float get_aux9(void);
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extern float get_aux10(void);
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extern float get_aux11(void);
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extern float get_aux12(void);
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extern float get_aux13(void);
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extern float get_aux14(void);
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extern float get_aux15(void);
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extern float get_aux16(void);
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extern float get_aux17(void);
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extern float get_aux18(void);
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// $$$ end - added, VS Renganathan, 13 Oct 2K
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extern char *get_formated_gmt_time( void );
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extern void fgHUDReshape(void);
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enum hudinstype{ HUDno_instr,
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HUDscale,
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HUDlabel,
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HUDladder,
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HUDcirc_ladder,
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HUDhorizon,
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HUDguage,
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HUDdual_inst,
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HUDmoving_scale,
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HUDtbi
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};
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typedef struct gltagRGBTRIPLE { // rgbt
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GLfloat Blue;
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GLfloat Green;
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GLfloat Red;
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} glRGBTRIPLE;
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class fgLineSeg2D {
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private:
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GLfloat x0, y0, x1, y1;
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public:
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fgLineSeg2D( GLfloat a = 0, GLfloat b =0, GLfloat c = 0, GLfloat d =0 )
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: x0(a), y0(b), x1(c), y1(d) {}
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fgLineSeg2D( const fgLineSeg2D & image )
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: x0(image.x0), y0(image.y0), x1(image.x1), y1(image.y1) {}
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fgLineSeg2D& operator= ( const fgLineSeg2D & image ) {
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x0 = image.x0; y0 = image.y0; x1 = image.x1; y1 = image.y1; return *this;
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}
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~fgLineSeg2D() {}
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void draw()
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{
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glVertex2f(x0, y0);
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glVertex2f(x1, y1);
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}
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};
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#define USE_HUD_TextList
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extern float HUD_TextSize;
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extern fntRenderer *HUDtext;
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extern float HUD_matrix[16];
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class fgText {
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private:
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float x, y;
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char msg[64];
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public:
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fgText( float x = 0, float y = 0, char *c = NULL )
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: x(x), y(y) {strncpy(msg,c,64-1);}
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fgText( const fgText & image )
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: x(image.x), y(image.y) {strcpy(msg,image.msg);}
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fgText& operator = ( const fgText & image ) {
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strcpy(msg,image.msg); x = image.x; y = image.y;
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return *this;
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}
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~fgText() {msg[0]='\0';}
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int getStringWidth ( char *str )
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{
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if ( HUDtext && str )
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{
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float r, l ;
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guiFntHandle->getBBox ( str, HUD_TextSize, 0, &l, &r, NULL, NULL ) ;
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return FloatToInt( r - l );
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}
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return 0 ;
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}
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int StringWidth (void )
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{
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if ( HUDtext && strlen( msg ))
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{
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float r, l ;
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guiFntHandle->getBBox ( msg, HUD_TextSize, 0, &l, &r, NULL, NULL ) ;
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return FloatToInt( r - l );
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}
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return 0 ;
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}
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void Draw(fntRenderer *fnt)
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{
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fnt->start2f( x, y );
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fnt->puts ( msg ) ;
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}
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void Draw()
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{
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puDrawString ( guiFnt, msg, FloatToInt(x), FloatToInt(y) );
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}
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};
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class fgLineList {
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vector < fgLineSeg2D > List;
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public:
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fgLineList( void ) {}
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~fgLineList( void ) {}
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void add( fgLineSeg2D seg ) { List.push_back(seg); }
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void erase( void ) { List.erase( List.begin(), List.end() ); }
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void draw( void ) {
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vector < fgLineSeg2D > :: iterator curSeg;
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vector < fgLineSeg2D > :: iterator lastSeg;
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curSeg = List.begin();
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lastSeg = List.end();
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glBegin(GL_LINES);
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for ( ; curSeg != lastSeg; curSeg++ ) {
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curSeg->draw();
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}
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glEnd();
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}
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/* void draw( void ) {
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vector < fgLineSeg2D > :: iterator curSeg;
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vector < fgLineSeg2D > :: iterator lastSeg;
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curSeg = List.begin();
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lastSeg = List.end();
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glBegin(GL_LINES);
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for ( ; curSeg != lastSeg; curSeg++ ) {
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curSeg->draw();
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}
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glEnd();
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} */
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};
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class fgTextList {
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fntRenderer *Font;
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vector< fgText > List;
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public:
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fgTextList ( void ) { Font = 0; }
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~fgTextList( void ) {}
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void setFont( fntRenderer *Renderer ) { Font = Renderer; }
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void add( fgText String ) { List.push_back(String); }
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void erase( void ) { List.erase( List.begin(), List.end() ); }
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void draw( void ) {
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vector < fgText > :: iterator curString;
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vector < fgText > :: iterator lastString;
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if( Font == 0 ) return;
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curString = List.begin();
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lastString = List.end();
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glPushAttrib( GL_COLOR_BUFFER_BIT );
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glEnable ( GL_ALPHA_TEST ) ;
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glEnable ( GL_BLEND ) ;
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glAlphaFunc ( GL_GREATER, 0.1 ) ;
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glBlendFunc ( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA ) ;
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Font->begin();
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for( ; curString != lastString; curString++ ) {
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curString->Draw(Font);
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}
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Font->end();
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glDisable ( GL_TEXTURE_2D ) ;
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glPopAttrib();
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}
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};
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inline void Text( fgTextList &List, float x, float y, char *s)
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{
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List.add( fgText( x, y, s) );
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}
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inline void Text( fgTextList &List, fgText &me)
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{
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List.add(me);
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}
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inline void Line( fgLineList &List, float x1, float y1, float x2, float y2)
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{
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List.add(fgLineSeg2D(x1,y1,x2,y2));
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}
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// Declare our externals
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extern fgTextList HUD_TextList;
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extern fgLineList HUD_LineList;
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extern fgLineList HUD_StippleLineList;
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class instr_item { // An Abstract Base Class (ABC)
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private:
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static UINT instances; // More than 64K instruments? Nah!
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static int brightness;
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static glRGBTRIPLE color;
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UINT handle;
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RECT scrn_pos; // Framing - affects scale dimensions
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// and orientation. Vert vs Horz, etc.
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FLTFNPTR load_value_fn;
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float disp_factor; // Multiply by to get numbers shown on scale.
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UINT opts;
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bool is_enabled;
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bool broken;
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UINT scr_span; // Working values for draw;
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POINT mid_span; //
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public:
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instr_item( int x,
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int y,
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UINT height,
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UINT width,
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FLTFNPTR data_source,
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float data_scaling,
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UINT options,
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bool working = true);
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instr_item( const instr_item & image );
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instr_item & operator = ( const instr_item & rhs );
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virtual ~instr_item ();
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int get_brightness ( void ) { return brightness;}
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RECT get_location ( void ) { return scrn_pos; }
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bool is_broken ( void ) { return broken; }
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bool enabled ( void ) { return is_enabled;}
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bool data_available ( void ) { return !!load_value_fn; }
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float get_value ( void ) { return load_value_fn(); }
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float data_scaling ( void ) { return disp_factor; }
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UINT get_span ( void ) { return scr_span; }
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POINT get_centroid ( void ) { return mid_span; }
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UINT get_options ( void ) { return opts; }
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UINT huds_vert (UINT options) { return( options & HUDS_VERT ); }
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UINT huds_left (UINT options) { return( options & HUDS_LEFT ); }
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UINT huds_right (UINT options) { return( options & HUDS_RIGHT ); }
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UINT huds_both (UINT options) { return( (options & HUDS_BOTH) == HUDS_BOTH ); }
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UINT huds_noticks (UINT options) { return( options & HUDS_NOTICKS ); }
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UINT huds_notext (UINT options) { return( options & HUDS_NOTEXT ); }
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UINT huds_top (UINT options) { return( options & HUDS_TOP ); }
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UINT huds_bottom (UINT options) { return( options & HUDS_BOTTOM ); }
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virtual void display_enable( bool working ) { is_enabled = !! working;}
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virtual void update( void );
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virtual void break_display ( bool bad );
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virtual void SetBrightness( int illumination_level ); // fgHUDSetBright...
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void SetPosition ( int x, int y, UINT width, UINT height );
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UINT get_Handle( void );
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virtual void draw( void ) = 0; // Required method in derived classes
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void drawOneLine( float x1, float y1, float x2, float y2)
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{
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HUD_LineList.add(fgLineSeg2D(x1,y1,x2,y2));
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}
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void drawOneStippleLine( float x1, float y1, float x2, float y2)
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{
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HUD_StippleLineList.add(fgLineSeg2D(x1,y1,x2,y2));
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}
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void TextString( char *msg, float x, float y )
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{
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HUD_TextList.add(fgText(x, y, msg));
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}
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int getStringWidth ( char *str )
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{
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if ( HUDtext && str )
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{
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float r, l ;
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guiFntHandle->getBBox ( str, HUD_TextSize, 0, &l, &r, NULL, NULL ) ;
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return FloatToInt( r - l );
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}
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return 0 ;
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}
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};
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typedef instr_item *HIptr;
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//typedef deque < instr_item * > hud_deque_type;
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//typedef hud_deque_type::iterator hud_deque_iterator;
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//typedef hud_deque_type::const_iterator hud_deque_const_iterator;
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extern deque< instr_item *> HUD_deque;
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extern int HUD_style;
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//extern hud_deque_type HUD_deque;
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// instr_item This class has no other purpose than to maintain
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// a linked list of instrument and derived class
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// object pointers.
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class instr_label : public instr_item {
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private:
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const char *pformat;
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const char *pre_str;
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const char *post_str;
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fgLabelJust justify;
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int fontSize;
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int blink;
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char format_buffer[80];
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bool lat;
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bool lon;
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public:
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instr_label( int x,
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int y,
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UINT width,
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UINT height,
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FLTFNPTR data_source,
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const char *label_format,
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const char *pre_label_string,
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const char *post_label_string,
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float scale_data,
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UINT options,
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fgLabelJust justification,
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int font_size,
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int blinking,
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bool latitude,
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bool longitude,
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bool working);
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~instr_label();
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instr_label( const instr_label & image);
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instr_label & operator = (const instr_label & rhs );
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virtual void draw( void ); // Required method in base class
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};
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typedef instr_label * pInstlabel;
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class lat_label : public instr_item {
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private:
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const char *pformat;
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const char *pre_str;
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const char *post_str;
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fgLabelJust justify;
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int fontSize;
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int blink;
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char format_buffer[80];
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public:
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lat_label( int x,
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int y,
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UINT width,
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UINT height,
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FLTFNPTR data_source,
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const char *label_format,
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const char *pre_label_string,
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const char *post_label_string,
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float scale_data,
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UINT options,
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fgLabelJust justification,
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int font_size,
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int blinking,
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bool working);
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~lat_label();
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lat_label( const lat_label & image);
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lat_label & operator = (const lat_label & rhs );
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virtual void draw( void ); // Required method in base class
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};
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typedef lat_label * pLatlabel;
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class lon_label : public instr_item {
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private:
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const char *pformat;
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const char *pre_str;
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const char *post_str;
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fgLabelJust justify;
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int fontSize;
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int blink;
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char format_buffer[80];
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public:
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lon_label( int x,
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int y,
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UINT width,
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UINT height,
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FLTFNPTR data_source,
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const char *label_format,
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const char *pre_label_string,
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const char *post_label_string,
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float scale_data,
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UINT options,
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fgLabelJust justification,
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int font_size,
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int blinking,
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bool working);
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~lon_label();
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lon_label( const lon_label & image);
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lon_label & operator = (const lon_label & rhs );
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virtual void draw( void ); // Required method in base class
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};
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typedef lon_label * pLonlabel;
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//
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// instr_scale This class is an abstract base class for both moving
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// scale and moving needle (fixed scale) indicators. It
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// does not draw itself, but is not instanciable.
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//
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class instr_scale : public instr_item {
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private:
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float range_shown; // Width Units.
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float Maximum_value; // ceiling.
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float Minimum_value; // Representation floor.
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float scale_factor; // factor => screen units/range values.
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UINT Maj_div; // major division marker units
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UINT Min_div; // minor division marker units
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UINT Modulo; // Roll over point
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int signif_digits; // digits to show to the right.
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public:
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instr_scale( int x,
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int y,
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UINT width,
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UINT height,
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FLTFNPTR load_fn,
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UINT options,
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float show_range,
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float max_value,
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float min_value,
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float disp_scaling,
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UINT major_divs,
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UINT minor_divs,
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UINT rollover,
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int dp_showing,
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bool working = true);
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virtual ~instr_scale();
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instr_scale( const instr_scale & image);
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instr_scale & operator = (const instr_scale & rhs);
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virtual void draw ( void ) {}; // No-op here. Defined in derived classes.
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UINT div_min ( void ) { return Min_div;}
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UINT div_max ( void ) { return Maj_div;}
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float min_val ( void ) { return Minimum_value;}
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float max_val ( void ) { return Maximum_value;}
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UINT modulo ( void ) { return Modulo; }
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float factor ( void ) { return scale_factor;}
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float range_to_show( void ) { return range_shown;}
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};
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// hud_card_ This class displays the indicated quantity on
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// a scale that moves past the pointer. It may be
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// horizontal or vertical, read above(left) or below(right) of the base
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// line.
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class hud_card : public instr_scale {
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private:
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float val_span;
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string type;
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float half_width_units;
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bool draw_tick_bottom;
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bool draw_tick_top;
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bool draw_tick_right;
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bool draw_tick_left;
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bool draw_cap_bottom;
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bool draw_cap_top;
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bool draw_cap_right;
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bool draw_cap_left;
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float marker_offset;
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bool pointer;
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string pointer_type;
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public:
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hud_card( int x,
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int y,
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UINT width,
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UINT height,
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FLTFNPTR load_fn,
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UINT options,
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float maxValue,
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float minValue,
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float disp_scaling,
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UINT major_divs,
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UINT minor_divs,
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UINT modulator,
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int dp_showing,
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float value_span,
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string type,
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bool draw_tick_bottom,
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bool draw_tick_top,
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bool draw_tick_right,
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bool draw_tick_left,
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bool draw_cap_bottom,
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bool draw_cap_top,
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bool draw_cap_right,
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bool draw_cap_left,
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float marker_offset,
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bool pointer,
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string pointer_type,
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bool working);
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~hud_card();
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hud_card( const hud_card & image);
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hud_card & operator = (const hud_card & rhs );
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// virtual void display_enable( bool setting );
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virtual void draw( void ); // Required method in base class
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};
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typedef hud_card * pCardScale;
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class guage_instr : public instr_scale {
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public:
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guage_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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FLTFNPTR load_fn,
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UINT options,
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float disp_scaling,
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float maxValue,
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float minValue,
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UINT major_divs,
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UINT minor_divs,
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int dp_showing,
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UINT modulus,
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bool working);
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~guage_instr();
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guage_instr( const guage_instr & image);
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guage_instr & operator = (const guage_instr & rhs );
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virtual void draw( void ); // Required method in base class
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};
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typedef guage_instr * pGuageInst;
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//
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// dual_instr_item This class was created to form the base class
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// for both panel and HUD Turn Bank Indicators.
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class dual_instr_item : public instr_item {
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private:
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FLTFNPTR alt_data_source;
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public:
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dual_instr_item ( int x,
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int y,
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UINT width,
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UINT height,
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FLTFNPTR chn1_source,
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FLTFNPTR chn2_source,
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bool working,
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UINT options );
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virtual ~dual_instr_item() {};
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dual_instr_item( const dual_instr_item & image);
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dual_instr_item & operator = (const dual_instr_item & rhs );
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float current_ch1( void ) { return (float)alt_data_source();}
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float current_ch2( void ) { return (float)get_value();}
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virtual void draw ( void ) { }
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};
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class fgTBI_instr : public dual_instr_item {
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private:
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UINT BankLimit;
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UINT SlewLimit;
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UINT scr_hole;
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public:
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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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FLTFNPTR chn1_source,
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FLTFNPTR chn2_source,
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float maxBankAngle,
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float maxSlipAngle,
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UINT gap_width,
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bool working);
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fgTBI_instr( const fgTBI_instr & image);
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fgTBI_instr & operator = (const fgTBI_instr & rhs );
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~fgTBI_instr();
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UINT bank_limit( void ) { return BankLimit;}
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UINT slew_limit( void ) { return SlewLimit;}
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virtual void draw( void ); // Required method in base class
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};
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typedef fgTBI_instr * pTBI;
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class HudLadder : public dual_instr_item {
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private:
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UINT width_units;
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int div_units;
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UINT minor_div;
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UINT label_pos;
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UINT scr_hole;
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float vmax;
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float vmin;
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float factor;
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string hudladder_type;
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bool frl;
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bool target_spot;
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bool velocity_vector;
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bool drift_marker;
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bool alpha_bracket;
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bool energy_marker;
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bool climb_dive_marker;
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bool glide_slope_marker;
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float glide_slope;
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bool energy_worm;
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bool waypoint_marker;
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fgTextList TextList;
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fgLineList LineList;
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fgLineList StippleLineList;
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public:
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HudLadder( string name,
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int x,
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int y,
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UINT width,
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UINT height,
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float factor,
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FLTFNPTR ptch_source,
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FLTFNPTR roll_source,
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float span_units,
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float division_units,
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float minor_division,
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UINT screen_hole,
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UINT lbl_pos,
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bool frl,
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bool target_spot,
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bool velocity_vector,
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bool drift_marker,
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bool alpha_bracket,
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bool energy_marker,
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bool climb_dive_marker,
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bool glide_slope_marker,
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float glide_slope,
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bool energy_worm,
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bool waypoint_marker,
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bool working);
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~HudLadder();
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HudLadder( const HudLadder & image );
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HudLadder & operator = ( const HudLadder & rhs );
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virtual void draw( void );
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void Text( float x, float y, char *s)
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{
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TextList.add( fgText( x, y, s) );
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}
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void Line( float x1, float y1, float x2, float y2)
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{
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LineList.add(fgLineSeg2D(x1,y1,x2,y2));
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}
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void StippleLine( float x1, float y1, float x2, float y2)
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{
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StippleLineList.add(fgLineSeg2D(x1,y1,x2,y2));
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}
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};
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//using namespace std;
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//deque <instr_item> * Hdeque_ptr;
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extern void HUD_masterswitch( bool incr );
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extern void HUD_brightkey( bool incr_bright );
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extern int fgHUDInit( fgAIRCRAFT * /* current_aircraft */ );
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extern int fgHUDInit2( fgAIRCRAFT * /* current_aircraft */ );
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extern void fgUpdateHUD( void );
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extern void drawOneLine ( UINT x1, UINT y1, UINT x2, UINT y2);
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extern void drawOneLine ( RECT &rect);
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extern void textString ( int x,
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int y,
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char *msg,
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void *font = GLUT_BITMAP_8_BY_13);
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extern void strokeString( int x,
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int y,
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char *msg,
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void *font = GLUT_STROKE_ROMAN,
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float theta = 0);
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//extern void strokeString(float xx,
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// float yy,
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// char *msg,
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// void *font = GLUT_STROKE_ROMAN)
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/*
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bool AddHUDInstrument( instr_item *pBlackBox );
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void DrawHUD ( void );
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bool DamageInstrument( INSTR_HANDLE unit );
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bool RepairInstrument( INSTR_HANDLE unit );
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void fgUpdateHUD ( Hptr hud );
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void fgUpdateHUD2( Hptr hud ); // Future use?
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void fgHUDSetTimeMode( Hptr hud, int time_of_day );
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*/
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#endif // _HUD_H
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