joystick.h

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/*
 *  The Mana Client
 *  Copyright (C) 2004-2009  The Mana World Development Team
 *  Copyright (C) 2009-2012  The Mana Developers
 *
 *  This file is part of The Mana 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/>.
 */
 
#pragma once
 
#include <SDL.h>
 
class Joystick
{
    public:
        enum
        {
            MAX_BUTTONS = 6
        };
 
        enum
        {
            UP    = 1,
            DOWN  = 2,
            LEFT  = 4,
            RIGHT = 8
        };
 
        static void init();
 
        static int getNumberOfJoysticks() { return joystickCount; }
 
        Joystick(int no);
 
        ~Joystick();
 
        bool isEnabled() const { return mEnabled; }
 
        void setEnabled(bool enabled) { mEnabled = enabled; }
 
        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();
};