libogre/include/sirikata/ogre/input/SDLInputManager.hpp

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/*  Sirikata libproxyobject -- Ogre Graphics Plugin
 *  SDLInputManager.hpp
 *
 *  Copyright (c) 2009, Daniel Reiter Horn
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are
 *  met:
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *  * Neither the name of Sirikata nor the names of its contributors may
 *    be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
extern "C" typedef struct SDL_Surface SDL_Surface;
extern "C" typedef Sirikata::uint32 SDL_WindowID;
extern "C" typedef void* SDL_GLContext;
extern "C" typedef union SDL_Event SDL_Event;

#include <sirikata/ogre/input/InputManager.hpp>

namespace Sirikata {

namespace Graphics {
class OgreRenderer;
}

namespace Input {

class InputDevice;
class SDLKeyboard;
class SDLMouse;
class SDLJoystick;
typedef std::tr1::shared_ptr<InputDevice> InputDevicePtr;
typedef std::tr1::weak_ptr<InputDevice> InputDeviceWPtr;
typedef std::tr1::shared_ptr<SDLMouse> SDLMousePtr;
typedef std::tr1::shared_ptr<SDLJoystick> SDLJoystickPtr;
typedef std::tr1::shared_ptr<SDLKeyboard> SDLKeyboardPtr;

struct SIRIKATA_OGRE_EXPORT SDLKeyRepeatInfo {
    SDLKeyRepeatInfo();
    ~SDLKeyRepeatInfo();

    bool isRepeating(uint32 key);
    void repeat(uint32 key, SDL_Event* evt);
    void unrepeat(uint32 key);

    typedef std::tr1::unordered_map<uint32, SDL_Event*> RepeatMap;
    RepeatMap mRepeat;
};
typedef std::tr1::shared_ptr<SDLKeyRepeatInfo> SDLKeyRepeatInfoPtr;


class SIRIKATA_OGRE_EXPORT SDLInputManager : public InputManager {
    Graphics::OgreRenderer* mParent;
    bool mInitialized;
    SDL_WindowID mWindowID;
    SDL_GLContext mWindowContext;
    std::vector<SDLKeyboardPtr> mKeys;
    std::vector<SDLKeyRepeatInfoPtr> mLastKeys;
    std::vector<SDLMousePtr> mMice;
    std::vector<SDLJoystickPtr> mJoy;
    unsigned int mWidth, mHeight;
    bool mHasKeyboardFocus;
    static int modifiersFromSDL(int sdlMod);

    OptionValue*mDragDeadband;
    OptionValue*mDragMultiplier;
    OptionValue*mWorldScale;
    OptionValue*mAxisToRadians;
    OptionValue*mRotateSnap;
    OptionValue*mWheelToAxis;
    OptionValue*mRelativeMouseToAxis;
    OptionValue*mJoyBallToAxis;
public:
    class InitializationException : public std::exception {
    public:
        InitializationException(const String& msg);
        virtual ~InitializationException() throw();
        virtual const char* what() const throw();
    private:
        std::string _msg;
    };

    void windowFocusChange();

    float dragDeadBand() const;
    float relativeMouseToAxis() const;
    float wheelToAxis() const;
    float joyBallToAxis() const;

    void getWindowSize(unsigned int &width, unsigned int &height) {
        width = this->mWidth;
        height = this->mHeight;
    }
    SDLInputManager(Graphics::OgreRenderer* parent,
        unsigned int width,
        unsigned int height,
        bool fullscreen,
        bool grabCursor,
        void *&currentWindowData);
    bool tick(Task::LocalTime currentTime, Duration frameTime);

    void filesDropped(const std::vector<std::string> &files);

    virtual bool isModifierDown(Modifier modifier) const;
    virtual bool isCapsLockDown() const;
    virtual bool isNumLockDown() const;
    virtual bool isScrollLockDown() const;

    virtual ~SDLInputManager();
};
} }