llviewerjoystick.h

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#ifndef LL_LLVIEWERJOYSTICK_H
#define LL_LLVIEWERJOYSTICK_H

#include "stdtypes.h"

#define LIB_NDOF (LL_WINDOWS || LL_DARWIN)

#if LIB_NDOF
#include "ndofdev_external.h"
#else
#define NDOF_Device     void
#define NDOF_HotPlugResult S32
#endif

typedef enum e_joystick_driver_state
{
        JDS_UNINITIALIZED,
        JDS_INITIALIZED,
        JDS_INITIALIZING
} EJoystickDriverState;

class LLViewerJoystick : public LLSingleton<LLViewerJoystick>
{
public:
        LLViewerJoystick();
        virtual ~LLViewerJoystick();
        
        void init(bool autoenable);
        void updateStatus();
        void scanJoystick();
        void moveObjects(bool reset = false);
        void moveAvatar(bool reset = false);
        void moveFlycam(bool reset = false);
        F32 getJoystickAxis(U32 axis) const;
        U32 getJoystickButton(U32 button) const;
        bool isJoystickInitialized() const {return (mDriverState==JDS_INITIALIZED);}
        bool isLikeSpaceNavigator() const;
        void setNeedsReset(bool reset = true) { mResetFlag = reset; }
        void setCameraNeedsUpdate(bool b)     { mCameraUpdated = b; }
        bool getCameraNeedsUpdate() const     { return mCameraUpdated; }
        bool getOverrideCamera() { return mOverrideCamera; }
        void setOverrideCamera(bool val);
        bool toggleFlycam();
        void setSNDefaults();
        std::string getDescription();
        
protected:
        void updateEnabled(bool autoenable);
        void terminate();
        void agentSlide(F32 inc);
        void agentPush(F32 inc);
        void agentFly(F32 inc);
        void agentRotate(F32 pitch_inc, F32 turn_inc);
    void agentJump();
        void resetDeltas(S32 axis[], bool flycam_and_build = false);
#if LIB_NDOF
        static NDOF_HotPlugResult HotPlugAddCallback(NDOF_Device *dev);
        static void HotPlugRemovalCallback(NDOF_Device *dev);
#endif
        
private:
        F32                                             mAxes[6];
        long                                    mBtn[16];
        EJoystickDriverState    mDriverState;
        NDOF_Device                             *mNdofDev;
        bool                                    mResetFlag;
        F32                                             mPerfScale;
        bool                                    mCameraUpdated;
        bool                                    mOverrideCamera;
        
        static F32                              sLastDelta[7];
        static F32                              sDelta[7];
};

#endif

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