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+/*
+ * The Mana Client
+ * Copyright (C) 2004-2009 The Mana World Development Team
+ * Copyright (C) 2009-2010 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/>.
+ */
+
+#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