phoenix-firestorm/indra/newview/llaudiosourcevo.cpp

162 lines
3.2 KiB
C++

/**
* @file llaudiosourcevo.cpp
* @author Douglas Soo, James Cook
* @brief Audio sources attached to viewer objects
*
* $LicenseInfo:firstyear=2006&license=viewerlgpl$
* 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 "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),
mActualGain(gain)
{
setAmbient(FALSE);
updateGain();
update();
}
LLAudioSourceVO::~LLAudioSourceVO()
{
if (mObjectp)
{
mObjectp->clearAttachedSound();
}
mObjectp = NULL;
}
void LLAudioSourceVO::setGain(const F32 gain)
{
mActualGain = llclamp(gain, 0.f, 1.f);
updateGain();
}
void LLAudioSourceVO::updateGain()
{
if (!mObjectp)
{
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)
{
mGain = mActualGain;
}
else
{
mGain = 0.f;
}
}
void LLAudioSourceVO::update()
{
if (!mObjectp)
{
return;
}
if (mObjectp->isDead())
{
mObjectp = NULL;
return;
}
updateGain();
if (mObjectp->isHUDAttachment())
{
mPositionGlobal = gAgentCamera.getCameraPositionGlobal();
}
else
{
mPositionGlobal = mObjectp->getPositionGlobal();
}
if (mObjectp->getSubParent())
{
mVelocity = mObjectp->getSubParent()->getVelocity();
}
else
{
mVelocity = mObjectp->getVelocity();
}
LLAudioSource::update();
}