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/**
* @file llaudiosourcevo.cpp
* @author Douglas Soo, James Cook
* @brief Audio sources attached to viewer objects
*
* $LicenseInfo:firstyear=2006&license=viewergpl$
*
* Copyright (c) 2006-2009, 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 "llviewerprecompiledheaders.h"
#include "llaudiosourcevo.h"
#include "llagentcamera.h"
#include "llmutelist.h"
#include "llviewerparcelmgr.h"
LLAudioSourceVO::LLAudioSourceVO(const LLUUID &sound_id, const LLUUID& owner_id, const F32 gain, LLViewerObject *objectp)
: LLAudioSource(sound_id, owner_id, gain, LLAudioEngine::AUDIO_TYPE_SFX),
mObjectp(objectp)
{
update();
}
LLAudioSourceVO::~LLAudioSourceVO()
{
if (mObjectp)
{
mObjectp->clearAttachedSound();
}
mObjectp = NULL;
}
void LLAudioSourceVO::setGain(const F32 gain)
{
mGain = llclamp(gain, 0.f, 1.f);
}
void LLAudioSourceVO::updateMute()
{
if (!mObjectp || mObjectp->isDead())
{
mSourceMuted = true;
return;
}
bool mute = false;
LLVector3d pos_global;
if (mObjectp->isAttachment())
{
LLViewerObject* parent = mObjectp;
while (parent && !parent->isAvatar())
{
parent = (LLViewerObject*)parent->getParent();
}
if (parent)
{
pos_global = parent->getPositionGlobal();
}
}
else
{
pos_global = mObjectp->getPositionGlobal();
}
if (!LLViewerParcelMgr::getInstance()->canHearSound(pos_global))
{
mute = true;
}
if (!mute)
{
if (LLMuteList::getInstance()->isMuted(mObjectp->getID()))
{
mute = true;
}
else if (LLMuteList::getInstance()->isMuted(mOwnerID, LLMute::flagObjectSounds))
{
mute = true;
}
else if (mObjectp->isAttachment())
{
LLViewerObject* parent = mObjectp;
while (parent && !parent->isAvatar())
{
parent = (LLViewerObject*)parent->getParent();
}
if (parent
&& LLMuteList::getInstance()->isMuted(parent->getID()))
{
mute = true;
}
}
}
if (mute != mSourceMuted)
{
mSourceMuted = mute;
if (mSourceMuted)
{
// Stop the sound.
this->play(LLUUID::null);
}
else
{
// Muted sounds keep there data at all times, because
// it's the place where the audio UUID is stored.
// However, it's possible that mCurrentDatap is
// NULL when this source did only preload sounds.
if (mCurrentDatap)
{
// Restart the sound.
this->play(mCurrentDatap->getID());
}
}
}
}
void LLAudioSourceVO::update()
{
updateMute();
if (!mObjectp)
{
return;
}
if (mObjectp->isDead())
{
mObjectp = NULL;
return;
}
if (mSourceMuted)
{
return;
}
if (mObjectp->isHUDAttachment())
{
mPositionGlobal = gAgentCamera.getCameraPositionGlobal();
}
else
{
mPositionGlobal = mObjectp->getPositionGlobal();
}
if (mObjectp->getSubParent())
{
mVelocity = mObjectp->getSubParent()->getVelocity();
}
else
{
mVelocity = mObjectp->getVelocity();
}
LLAudioSource::update();
}
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