llviewerjoystick.h
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上传日期:2021-03-01
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- /**
- * @file llviewerjoystick.h
- * @brief Viewer joystick / NDOF device functionality.
- *
- * $LicenseInfo:firstyear=2001&license=viewergpl$
- *
- * Copyright (c) 2001-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #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>
- {
- public:
- LLViewerJoystick();
- virtual ~LLViewerJoystick();
-
- void init(bool autoenable);
- 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();
- 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[]);
- #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;
-
- static F32 sLastDelta[7];
- static F32 sDelta[7];
- };
- #endif