1 files changed, 114 insertions, 0 deletions
diff --git a/src/joystick.h b/src/joystick.h
new file mode 100644
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--- /dev/null
+++ b/src/joystick.h
@@ -0,0 +1,114 @@
+/*
+ *  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