// controls.h -- defines a standard interface to all flight sim controls
//
// Written by Curtis Olson, started May 1997.
//
// Copyright (C) 1997  Curtis L. Olson  - curt@infoplane.com
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// $Id$
// (Log is kept at end of this file)


#ifndef _CONTROLS_H
#define _CONTROLS_H


#include <Include/fg_limits.h>


#ifdef __cplusplus                                                          
extern "C" {                            
#endif                                   


/* Define a structure containing the control parameters */

typedef struct {
    double aileron;
    double elevator;
    double elevator_trim;
    double rudder;
    double throttle[FG_MAX_ENGINES];
    double brake_amt;
} fgCONTROLS, *pfgControls;


#define FG_Elevator     c->elevator
#define FG_Aileron      c->aileron
#define FG_Rudder       c->rudder
#define FG_Throttle     c->throttle
#define FG_Throttle_All -1
#define FG_Elev_Trim    c->elevator_trim
#define FG_Brake_Amt    c->brake_amt

/* 
#define Left_button     cockpit_.left_pb_on_stick
#define Right_button    cockpit_.right_pb_on_stick
#define First_trigger   cockpit_.trig_pos_1
#define Second_trigger  cockpit_.trig_pos_2
#define Left_trim       cockpit_.left_trim
#define Right_trim      cockpit_.right_trim
#define SB_extend       cockpit_.sb_extend
#define SB_retract      cockpit_.sb_retract
#define Gear_sel_up     cockpit_.gear_sel_up 
*/


extern fgCONTROLS cur_control_params;

void fgControlsInit( void );

void fgElevMove(double amt);
void fgElevSet(double pos);
void fgElevTrimMove(double amt);
void fgElevTrimSet(double pos);
void fgAileronMove(double amt);
void fgAileronSet(double pos);
void fgRudderMove(double amt);
void fgRudderSet(double pos);
void fgThrottleMove(int engine, double amt);
void fgThrottleSet(int engine, double pos);
void fgBrakeSet( double brake_amt );
double fgBrakeGet( void );

#ifdef __cplusplus
}
#endif


#endif /* _CONTROLS_H */


// $Log$
// Revision 1.17  1998/09/29 14:57:00  curt
// c++-ified some comments.
//
// Revision 1.16  1998/09/29 02:01:32  curt
// Added a brake.
//
// Revision 1.15  1998/04/25 22:06:27  curt
// Edited cvs log messages in source files ... bad bad bad!
//
// Revision 1.14  1998/04/22 13:26:19  curt
// C++ - ifing the code a bit.
//
// Revision 1.13  1998/04/21 17:02:35  curt
// Prepairing for C++ integration.
//
// Revision 1.12  1998/02/09 22:56:48  curt
// Removed "depend" files from cvs control.  Other minor make tweaks.
//
// Revision 1.11  1998/02/07 15:29:36  curt
// Incorporated HUD changes and struct/typedef changes from Charlie Hotchkiss
// <chotchkiss@namg.us.anritsu.com>
//
// Revision 1.10  1998/01/27 00:47:52  curt
// Incorporated Paul Bleisch's <pbleisch@acm.org> new debug message
// system and commandline/config file processing code.
//
// Revision 1.9  1998/01/22 02:59:31  curt
// Changed #ifdef FILE_H to #ifdef _FILE_H
//
// Revision 1.8  1998/01/19 18:40:22  curt
// Tons of little changes to clean up the code and to remove fatal errors
// when building with the c++ compiler.
//
// Revision 1.7  1997/12/15 23:54:36  curt
// Add xgl wrappers for debugging.
// Generate terrain normals on the fly.
//
// Revision 1.6  1997/12/10 22:37:41  curt
// Prepended "fg" on the name of all global structures that didn't have it yet.
// i.e. "struct WEATHER {}" became "struct fgWEATHER {}"
//
// Revision 1.5  1997/08/27 03:30:02  curt
// Changed naming scheme of basic shared structures.
//
// Revision 1.4  1997/07/23 21:52:18  curt
// Put comments around the text after an #endif for increased portability.
//
// Revision 1.3  1997/05/31 19:16:27  curt
// Elevator trim added.
//
// Revision 1.2  1997/05/23 15:40:33  curt
// Added GNU copyright headers.
//
// Revision 1.1  1997/05/16 15:59:48  curt
// Initial revision.
//