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flightgear/src/Input/FGJoystickInput.hxx
James Turner dce282d7b8 Rename js.h -> FlightGear_js.h
Ensure we don’t get weird conflicts as our internal version is
starting to diverge from the original PLIB one.
2020-06-11 17:48:49 +01:00

116 lines
3.5 KiB
C++

// FGJoystickInput.hxx -- handle user input from joystick devices
//
// Written by Torsten Dreyer, started August 2009
// Based on work from David Megginson, started May 2001.
//
// Copyright (C) 2009 Torsten Dreyer, Torsten (at) t3r _dot_ de
// Copyright (C) 2001 David Megginson, david@megginson.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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
#ifndef _FGJOYSTICKINPUT_HXX
#define _FGJOYSTICKINPUT_HXX
#include "FGCommonInput.hxx"
#include "FGButton.hxx"
#include <memory> // for std::unique_ptr
#include <simgear/structure/subsystem_mgr.hxx>
#include "FlightGear_js.h"
////////////////////////////////////////////////////////////////////////
// The Joystick Input Class
////////////////////////////////////////////////////////////////////////
class FGJoystickInput : public SGSubsystem,
FGCommonInput
{
public:
FGJoystickInput();
virtual ~FGJoystickInput();
// Subsystem API.
void init() override;
void postinit() override;
void reinit() override;
void update(double dt) override;
// Subsystem identification.
static const char* staticSubsystemClassId() { return "input-joystick"; }
static const int MAX_JOYSTICKS = 16;
static const int MAX_JOYSTICK_AXES = _JS_MAX_AXES;
static const int MAX_JOYSTICK_BUTTONS = 32;
private:
/**
* @brief computeDeviceIndexName - compute the name including the index, based
* on the number of identically named devices. This is used to allow multiple
* different files for identical hardware, especially throttles
* @param name - the base joystick name
* @param lastIndex - don't check names at this index or above. Needed to
* ensure we only check as far as the joystick we are currently processing
* @return
*/
std::string computeDeviceIndexName(const std::string &name, int lastIndex) const;
void _remove(bool all);
SGPropertyNode_ptr status_node;
/**
* Settings for a single joystick axis.
*/
struct axis {
axis ();
virtual ~axis ();
float last_value;
float tolerance;
binding_list_t bindings[KEYMOD_MAX];
float low_threshold;
float high_threshold;
FGButton low;
FGButton high;
float interval_sec, delay_sec, release_delay_sec;
double last_dt;
};
/**
* Settings for a joystick.
*/
struct joystick {
joystick ();
virtual ~joystick ();
int jsnum;
std::unique_ptr<jsJoystick> plibJS;
int naxes;
int nbuttons;
axis * axes;
FGButton * buttons;
bool predefined;
bool initializing = true;
bool initialized = false;
float values[MAX_JOYSTICK_AXES];
double init_dt = 0.0f;
void clearAxesAndButtons();
};
joystick joysticks[MAX_JOYSTICKS];
void updateJoystick(int index, joystick* joy, double dt);
};
#endif