OpenSceneGraph/applications/present3D/SDLIntegration.h

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
 *
 * This library is open source and may be redistributed and/or modified under
 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
 * (at your option) any later version.  The full license is in LICENSE file
 * included with this distribution, and on the openscenegraph.org website.
 *
 * This library 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
 * OpenSceneGraph Public License for more details.
*/

#ifndef SDLINTEGRATION
#define SDLINTEGRATION

#include <SDL.h>
#include <SDL_events.h>
#include <SDL_joystick.h>

#include <vector>
#include <map>

class SDLIntegration
{
    public:

        SDLIntegration();
        ~SDLIntegration();

        typedef std::vector<int> ValueList;
        typedef std::map<int, int> ButtonMap;

        void update(osgViewer::Viewer& viewer);

        void addMouseButtonMapping(int joystickButton, int mouseButton)
        {
            _mouseButtonMap[joystickButton] = mouseButton;
        }

        int getMouseButtonMapping(int joystickButton)
        {
            ButtonMap::const_iterator itr = _mouseButtonMap.find(joystickButton);
            if (itr != _mouseButtonMap.end()) return itr->second;
            else return -1;
        }

        void addKeyMapping(int joystickButton, int key)
        {
            _keyMap[joystickButton] = key;
        }

        int getKeyMapping(int joystickButton)
        {
            ButtonMap::const_iterator itr = _keyMap.find(joystickButton);
            if (itr != _keyMap.end()) return itr->second;
            else return -1;
        }

    protected:

        void capture(ValueList& axisValues, ValueList& buttonValues) const;

        SDL_Joystick*   _joystick;
        int             _numAxes;
        int             _numBalls;
        int             _numHats;
        int             _numButtons;
        bool            _verbose;

        ValueList       _axisValues;
        ValueList       _buttonValues;
        ButtonMap       _mouseButtonMap;
        ButtonMap       _keyMap;
};

#endif