587 lines
18 KiB
C++
587 lines
18 KiB
C++
/**************************************************************************
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* 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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* (Log is kept at end of this file)
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**************************************************************************/
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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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#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 <fg_typedefs.h>
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#include <fg_constants.h>
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#include <Aircraft/aircraft.h>
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#include <Flight/flight.h>
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#include <Controls/controls.h>
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#include <deque> // STL
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#ifdef NEEDNAMESPACESTD
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using namespace std;
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#endif
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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_DARK 3
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#define BRT_MEDIUM 4
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#define BRT_LIGHT 5
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#define SIZE_SMALL 6
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#define SIZE_LARGE 7
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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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extern double get_throttleval ( void );
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extern double get_aileronval ( void );
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extern double get_elevatorval ( void );
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extern double get_elev_trimval( void );
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extern double get_rudderval ( void );
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extern double get_speed ( void );
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extern double get_aoa ( void );
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extern double get_roll ( void );
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extern double get_pitch ( void );
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extern double get_heading ( void );
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extern double get_altitude ( void );
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extern double get_sideslip ( void );
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extern double get_frame_rate ( void );
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extern double get_latitude ( void );
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extern double get_lat_min ( void );
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extern double get_longitude ( void );
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extern double get_long_min ( void );
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extern double get_fov ( void );
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extern double get_vfc_ratio ( 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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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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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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DBLFNPTR load_value_fn;
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UINT opts;
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bool is_enabled;
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bool broken;
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int brightness;
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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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DBLFNPTR data_source,
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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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double get_value ( void ) { return load_value_fn();}
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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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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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};
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typedef instr_item *HIptr;
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extern deque< instr_item *> 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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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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DBLFNPTR data_source,
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const char *label_format,
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const char *pre_label_string = 0,
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const char *post_label_string = 0,
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UINT options = HUDS_TOP,
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fgLabelJust justification = CENTER_JUST,
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int font_size = SMALL,
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int blinking = NOBLINK,
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bool working = true);
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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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//
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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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double range_shown; // Width Units.
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double Maximum_value; // ceiling.
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double Minimum_value; // Representation floor.
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double 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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double disp_factor; // Multiply by to get numbers shown on scale.
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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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DBLFNPTR load_fn,
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UINT options,
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double show_range,
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double max_value = 100.0,
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double min_value = 0.0,
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double disp_scaling = 1.0,
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UINT major_divs = 10,
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UINT minor_divs = 5,
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UINT rollover = 0,
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int dp_showing = 2,
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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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double min_val ( void ) { return Minimum_value;}
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double max_val ( void ) { return Maximum_value;}
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UINT modulo ( void ) { return Modulo; }
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double factor ( void ) { return scale_factor;}
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double 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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double val_span;
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double half_width_units;
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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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DBLFNPTR load_fn,
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UINT options,
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double maxValue = 100.0,
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double minValue = 0.0,
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double disp_scaling = 1.0,
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UINT major_divs = 10,
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UINT minor_divs = 5,
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UINT modulator = 100,
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int dp_showing = 2,
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double value_span = 100.0,
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bool working = true);
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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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private:
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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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DBLFNPTR load_fn,
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UINT options,
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double disp_scaling = 1.0,
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double maxValue = 100,
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double minValue = 0,
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UINT major_divs = 50,
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UINT minor_divs = 0,
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int dp_showing = 2,
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UINT modulus = 0,
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bool working = true);
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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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DBLFNPTR 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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DBLFNPTR chn1_source,
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DBLFNPTR chn2_source,
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bool working = true,
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UINT options = HUDS_TOP);
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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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double current_ch1( void ) { return alt_data_source();}
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double current_ch2( void ) { return 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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DBLFNPTR chn1_source = get_roll,
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DBLFNPTR chn2_source = get_sideslip,
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double maxBankAngle = 45.0,
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double maxSlipAngle = 5.0,
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UINT gap_width = 5.0,
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bool working = true);
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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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double vmax;
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double vmin;
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double factor;
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public:
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HudLadder( int x,
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int y,
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UINT width,
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UINT height,
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DBLFNPTR ptch_source = get_roll,
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DBLFNPTR roll_source = get_pitch,
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double span_units = 45.0,
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double division_units = 10.0,
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double minor_division = 0.0,
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UINT screen_hole = 70,
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UINT lbl_pos = 0,
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bool working = true );
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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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};
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//using namespace std;
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//deque <instr_item> * Hdeque_ptr;
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extern int fgHUDInit( 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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/*
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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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/* $Log$
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/* Revision 1.8 1998/07/03 13:16:29 curt
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/* Added Charlie Hotchkiss's HUD updates and improvementes.
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/*
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* Revision 1.6 1998/06/03 00:43:28 curt
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* No .h when including stl stuff.
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*
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* Revision 1.5 1998/05/17 16:58:13 curt
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* Added a View Frustum Culling ratio display to the hud.
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*
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* Revision 1.4 1998/05/16 13:04:15 curt
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* New updates from Charlie Hotchkiss.
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*
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* Revision 1.3 1998/05/13 18:27:55 curt
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* Added an fov to hud display.
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*
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* Revision 1.2 1998/05/11 18:13:12 curt
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* Complete C++ rewrite of all cockpit code by Charlie Hotchkiss.
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*
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* Revision 1.15 1998/02/23 19:07:57 curt
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* Incorporated Durk's Astro/ tweaks. Includes unifying the sun position
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* calculation code between sun display, and other FG sections that use this
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* for things like lighting.
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*
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* Revision 1.14 1998/02/21 14:53:14 curt
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* Added Charlie's HUD changes.
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*
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* Revision 1.13 1998/02/20 00:16:22 curt
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* Thursday's tweaks.
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*
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* Revision 1.12 1998/02/19 13:05:52 curt
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* Incorporated some HUD tweaks from Michelle America.
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* Tweaked the sky's sunset/rise colors.
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* Other misc. tweaks.
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*
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* Revision 1.11 1998/02/16 13:38:42 curt
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* Integrated changes from Charlie Hotchkiss.
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*
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* Revision 1.11 1998/02/16 13:38:42 curt
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* Integrated changes from Charlie Hotchkiss.
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*
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* Revision 1.10 1998/02/12 21:59:42 curt
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* Incorporated code changes contributed by Charlie Hotchkiss
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* <chotchkiss@namg.us.anritsu.com>
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*
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* Revision 1.8 1998/02/07 15:29:35 curt
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* Incorporated HUD changes and struct/typedef changes from Charlie Hotchkiss
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* <chotchkiss@namg.us.anritsu.com>
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*
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* Revision 1.7 1998/02/03 23:20:15 curt
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* Lots of little tweaks to fix various consistency problems discovered by
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* Solaris' CC. Fixed a bug in fg_debug.c with how the fgPrintf() wrapper
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* passed arguments along to the real printf(). Also incorporated HUD changes
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* by Michele America.
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*
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* Revision 1.6 1998/01/22 02:59:30 curt
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* Changed #ifdef FILE_H to #ifdef _FILE_H
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*
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* Revision 1.5 1998/01/19 19:27:01 curt
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* Merged in make system changes from Bob Kuehne <rpk@sgi.com>
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* This should simplify things tremendously.
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*
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* Revision 1.4 1998/01/19 18:40:21 curt
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* Tons of little changes to clean up the code and to remove fatal errors
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* when building with the c++ compiler.
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*
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* Revision 1.3 1997/12/30 16:36:41 curt
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* Merged in Durk's changes ...
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*
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* Revision 1.2 1997/12/10 22:37:40 curt
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* Prepended "fg" on the name of all global structures that didn't have it yet.
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* i.e. "struct WEATHER {}" became "struct fgWEATHER {}"
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*
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* Revision 1.1 1997/08/29 18:03:22 curt
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* Initial revision.
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*
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*/
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