/**************************************************************************
 * 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 1.16  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.
 *
 */