/** * @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 "llagent.h" #include "llagentcamera.h" #include "llmutelist.h" #include "llviewercontrol.h" #include "llviewerparcelmgr.h" #include "llvoavatarself.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::checkCutOffRadius() { if (mSourceMuted // already muted by something, will be recalculated on update() || !mObjectp) { return; } F32 cutoff = mObjectp->getSoundCutOffRadius(); if (cutoff < 0.1f) { // consider cutoff below 0.1m as off (to avoid near zero comparison) return; } LLVector3d pos_global = getPosGlobal(); if (!isInCutOffRadius(pos_global, cutoff)) { mSourceMuted = true; } } LLVector3d LLAudioSourceVO::getPosGlobal() const { if (mObjectp->isAttachment()) { LLViewerObject* parent = mObjectp; while (parent && !parent->isAvatar()) { parent = (LLViewerObject*)parent->getParent(); } if (parent) { return parent->getPositionGlobal(); } } else { return mObjectp->getPositionGlobal(); } return LLVector3d(); } bool LLAudioSourceVO::isInCutOffRadius(const LLVector3d pos_global, const F32 cutoff) const { static LLCachedControl<S32> ear_mode(gSavedSettings, "MediaSoundsEarLocation", 0); LLVector3d pos_ear; switch (ear_mode()) { case 0: // camera pos_ear = gAgentCamera.getCameraPositionGlobal(); break; case 1: // avatar pos_ear = gAgent.getPositionGlobal(); break; default: pos_ear = gAgentCamera.getCameraPositionGlobal(); break; } LLVector3d to_vec = pos_global - pos_ear; F32 dist = (F32)to_vec.magVec(); return dist < cutoff; } void LLAudioSourceVO::updateMute() { if (!mObjectp || mObjectp->isDead()) { mSourceMuted = true; return; } bool mute = false; LLVector3d pos_global = getPosGlobal(); F32 cutoff = mObjectp->getSoundCutOffRadius(); // Object can specify radius at which it turns off // consider cutoff below 0.1m as 'cutoff off' if (cutoff > 0.1f && !isInCutOffRadius(pos_global, cutoff)) { mute = true; } // check if parcel allows sounds to pass border else if (!LLViewerParcelMgr::getInstance()->canHearSound(pos_global)) { if (isAgentAvatarValid() && gAgentAvatarp->getParent()) { // Check if agent is riding this object // Agent can ride something out of region border and canHearSound // will treat object as not being part of agent's parcel. LLViewerObject *sound_root = (LLViewerObject*)mObjectp->getRoot(); LLViewerObject *agent_root = (LLViewerObject*)gAgentAvatarp->getRoot(); if (sound_root != agent_root) { mute = true; } else { LL_INFOS() << "roots identical" << LL_ENDL; } } else { 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(); }