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/**
* @file llviewerjoystick.h
* @brief Viewer joystick / NDOF device functionality.
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* 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 GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_LLVIEWERJOYSTICK_H
#define LL_LLVIEWERJOYSTICK_H
#include "stdtypes.h"
#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>
{
LLSINGLETON(LLViewerJoystick);
virtual ~LLViewerJoystick();
LOG_CLASS(LLViewerJoystick);
public:
void init(bool autoenable);
void initDevice(LLSD &guid);
void initDevice(void * preffered_device /*LPDIRECTINPUTDEVICE8*/);
void initDevice(void * preffered_device /*LPDIRECTINPUTDEVICE8*/, std::string &name, LLSD &guid);
void terminate();
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();
bool isDeviceUUIDSet();
LLSD getDeviceUUID(); //unconverted, OS dependent value wrapped into LLSD, for comparison/search
std::string getDeviceUUIDString(); // converted readable value for settings
std::string getDescription();
protected:
void updateEnabled(bool autoenable);
void handleRun(F32 inc);
void agentSlide(F32 inc);
void agentPush(F32 inc);
void agentFly(F32 inc);
void agentPitch(F32 pitch_inc);
void agentYaw(F32 yaw_inc);
void agentJump();
void resetDeltas(S32 axis[]);
void loadDeviceIdFromSettings();
#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;
U32 mJoystickRun;
LLSD mLastDeviceUUID; // _GUID as U8 binary map, integer 1 for no device/ndof's device
static F32 sLastDelta[7];
static F32 sDelta[7];
};
#endif
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