/* * 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