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/*
* The ManaPlus Client
* Copyright (C) 2004-2009 The Mana World Development Team
* Copyright (C) 2009-2010 The Mana Developers
* Copyright (C) 2011 The ManaPlus Developers
*
* This file is part of The ManaPlus Client.
*
* 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
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef JOYSTICK_H
#define JOYSTICK_H
#include <SDL.h>
class Joystick
{
public:
/**
* Number of buttons we can handle.
*/
enum
{
MAX_BUTTONS = 6
};
/**
* Directions, to be used as bitmask values.
*/
enum
{
UP = 1,
DOWN = 2,
LEFT = 4,
RIGHT = 8
};
/**
* Initializes the joystick subsystem.
*/
static void init();
/**
* Returns the number of available joysticks.
*/
static int getNumberOfJoysticks()
{ return joystickCount; }
/**
* Constructor, pass the number of the joystick the new object
* should access.
*/
Joystick(int no);
~Joystick();
bool isEnabled() const
{ return mEnabled; }
void setEnabled(bool enabled)
{ mEnabled = enabled; }
/**
* Updates the direction and button information.
*/
void update();
void startCalibration();
void finishCalibration();
bool isCalibrating() const
{ return mCalibrating; }
bool buttonPressed(unsigned char no) const;
bool isUp() const
{ return mEnabled && (mDirection & UP); };
bool isDown() const
{ return mEnabled && (mDirection & DOWN); };
bool isLeft() const
{ return mEnabled && (mDirection & LEFT); };
bool isRight() const
{ return mEnabled && (mDirection & RIGHT); };
protected:
unsigned char mDirection;
bool mButtons[MAX_BUTTONS];
SDL_Joystick *mJoystick;
int mUpTolerance, mDownTolerance, mLeftTolerance, mRightTolerance;
bool mCalibrating;
bool mEnabled;
static int joystickCount;
void doCalibration();
};
#endif // JOYSTICK_H
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