listener_fmod.cpp

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#include "linden_common.h"
#include "audioengine.h"

#if LL_FMOD

#include "listener_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;
        mDistanceFactor = 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;
}


void LLListener_FMOD::setDistanceFactor(F32 factor)
{
        mDistanceFactor = factor;
        FSOUND_3D_SetDistanceFactor(factor);
}


F32 LLListener_FMOD::getDistanceFactor()
{
        return mDistanceFactor;
}

#endif  // LL_FMOD

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