/indra/llaudio/lllistener_openal.cpp
C++ | 110 lines | 61 code | 18 blank | 31 comment | 0 complexity | 523b501681d72adcbad6fabe5eb2d6cd MD5 | raw file
Possible License(s): LGPL-2.1
- /**
- * @file audioengine_openal.cpp
- * @brief implementation of audio engine using OpenAL
- * support as a OpenAL 3D implementation
- *
- * $LicenseInfo:firstyear=2002&license=viewerlgpl$
- * 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
- * $/LicenseInfo$
- */
- #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;
- }