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/**
* @file audioengine_openal.cpp
* @brief implementation of audio engine using OpenAL
* support as a OpenAL 3D implementation
*
* $LicenseInfo:firstyear=2002&license=viewergpl$
*
* Copyright (c) 2002-2009, 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_openal.h"
LLListener_OpenAL::LLListener_OpenAL()
{
init();
}
LLListener_OpenAL::~LLListener_OpenAL()
{
}
void LLListener_OpenAL::translate(LLVector3 offset)
{
//llinfos << "LLListener_OpenAL::translate() : " << offset << llendl;
LLListener::translate(offset);
}
void LLListener_OpenAL::setPosition(LLVector3 pos)
{
//llinfos << "LLListener_OpenAL::setPosition() : " << pos << llendl;
LLListener::setPosition(pos);
}
void LLListener_OpenAL::setVelocity(LLVector3 vel)
{
LLListener::setVelocity(vel);
}
void LLListener_OpenAL::orient(LLVector3 up, LLVector3 at)
{
//llinfos << "LLListener_OpenAL::orient() up: " << up << " at: " << at << llendl;
LLListener::orient(up, at);
}
void LLListener_OpenAL::commitDeferredChanges()
{
ALfloat orientation[6];
orientation[0] = mListenAt.mV[0];
orientation[1] = mListenAt.mV[1];
orientation[2] = mListenAt.mV[2];
orientation[3] = mListenUp.mV[0];
orientation[4] = mListenUp.mV[1];
orientation[5] = mListenUp.mV[2];
ALfloat velocity[3];
velocity[0] = mVelocity.mV[0];
velocity[1] = mVelocity.mV[1];
velocity[2] = mVelocity.mV[2];
alListenerfv(AL_ORIENTATION, orientation);
alListenerfv(AL_POSITION, mPosition.mV);
alListenerfv(AL_VELOCITY, velocity);
}
void LLListener_OpenAL::setDopplerFactor(F32 factor)
{
//llinfos << "LLListener_OpenAL::setDopplerFactor() : " << factor << llendl;
alDopplerFactor(factor);
}
F32 LLListener_OpenAL::getDopplerFactor()
{
ALfloat factor;
factor = alGetFloat(AL_DOPPLER_FACTOR);
//llinfos << "LLListener_OpenAL::getDopplerFactor() : " << factor << llendl;
return factor;
}
void LLListener_OpenAL::setRolloffFactor(F32 factor)
{
mRolloffFactor = factor;
}
F32 LLListener_OpenAL::getRolloffFactor()
{
return mRolloffFactor;
}
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