lllistener_fmod.cpp
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- /**
- * @file listener_fmod.cpp
- * @brief implementation of LISTENER class abstracting the audio
- * support as a FMOD 3D implementation (windows only)
- *
- * $LicenseInfo:firstyear=2002&license=viewergpl$
- *
- * Copyright (c) 2002-2010, 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.
- * $/LicenseInfo$
- */
- #include "linden_common.h"
- #include "llaudioengine.h"
- #include "lllistener_fmod.h"
- #include "fmod.h"
- //-----------------------------------------------------------------------
- // constructor
- //-----------------------------------------------------------------------
- LLListener_FMOD::LLListener_FMOD()
- {
- init();
- }
- //-----------------------------------------------------------------------
- LLListener_FMOD::~LLListener_FMOD()
- {
- }
- //-----------------------------------------------------------------------
- void LLListener_FMOD::init(void)
- {
- // do inherited
- LLListener::init();
- mDopplerFactor = 1.0f;
- mRolloffFactor = 1.0f;
- }
- //-----------------------------------------------------------------------
- void LLListener_FMOD::translate(LLVector3 offset)
- {
- LLListener::translate(offset);
- FSOUND_3D_Listener_SetAttributes(mPosition.mV, NULL, mListenAt.mV[0],mListenAt.mV[1],mListenAt.mV[2], mListenUp.mV[0],mListenUp.mV[1],mListenUp.mV[2]);
- }
- //-----------------------------------------------------------------------
- void LLListener_FMOD::setPosition(LLVector3 pos)
- {
- LLListener::setPosition(pos);
- FSOUND_3D_Listener_SetAttributes(pos.mV, NULL, mListenAt.mV[0],mListenAt.mV[1],mListenAt.mV[2], mListenUp.mV[0],mListenUp.mV[1],mListenUp.mV[2]);
- }
- //-----------------------------------------------------------------------
- void LLListener_FMOD::setVelocity(LLVector3 vel)
- {
- LLListener::setVelocity(vel);
- FSOUND_3D_Listener_SetAttributes(NULL, vel.mV, mListenAt.mV[0],mListenAt.mV[1],mListenAt.mV[2], mListenUp.mV[0],mListenUp.mV[1],mListenUp.mV[2]);
- }
- //-----------------------------------------------------------------------
- void LLListener_FMOD::orient(LLVector3 up, LLVector3 at)
- {
- LLListener::orient(up, at);
- // Welcome to the transition between right and left
- // (coordinate systems, that is)
- // Leaving the at vector alone results in a L/R reversal
- // since DX is left-handed and we (LL, OpenGL, OpenAL) are right-handed
- at = -at;
- FSOUND_3D_Listener_SetAttributes(NULL, NULL, at.mV[0],at.mV[1],at.mV[2], up.mV[0],up.mV[1],up.mV[2]);
- }
- //-----------------------------------------------------------------------
- void LLListener_FMOD::commitDeferredChanges()
- {
- FSOUND_Update();
- }
- void LLListener_FMOD::setRolloffFactor(F32 factor)
- {
- mRolloffFactor = factor;
- FSOUND_3D_SetRolloffFactor(factor);
- }
- F32 LLListener_FMOD::getRolloffFactor()
- {
- return mRolloffFactor;
- }
- void LLListener_FMOD::setDopplerFactor(F32 factor)
- {
- mDopplerFactor = factor;
- FSOUND_3D_SetDopplerFactor(factor);
- }
- F32 LLListener_FMOD::getDopplerFactor()
- {
- return mDopplerFactor;
- }