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/**
* @file listener_fmod.cpp
* @brief implementation of LISTENER class abstracting the audio
* support as a FMOD 3D implementation (windows only)
*
* $LicenseInfo:firstyear=2002&license=viewerlgpl$
* 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_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;
}
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