llaudiosourcevo.cpp

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#include "llviewerprecompiledheaders.h"

#include "llaudiosourcevo.h"

#include "llagent.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), 
        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;
        if (gParcelMgr)
        {
                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 (!gParcelMgr->canHearSound(pos_global))
                {
                        mute = TRUE;
                }
        }

        if (!mute && gMuteListp)
        {
                if (gMuteListp->isMuted(mObjectp->getID()))
                {
                        mute = TRUE;
                }
                else if (gMuteListp->isMuted(mOwnerID, LLMute::flagObjectSounds))
                {
                        mute = TRUE;
                }
                else if (mObjectp->isAttachment())
                {
                        LLViewerObject* parent = mObjectp;
                        while (parent 
                                   && !parent->isAvatar())
                        {
                                parent = (LLViewerObject*)parent->getParent();
                        }
                        if (parent 
                                && gMuteListp->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 = gAgent.getCameraPositionGlobal();
        }
        else
        {
                mPositionGlobal = mObjectp->getPositionGlobal();
        }
        if (mObjectp->getSubParent())
        {
                mVelocity = mObjectp->getSubParent()->getVelocity();
        }
        else
        {
                mVelocity = mObjectp->getVelocity();
        }

        LLAudioSource::update();
}

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