Exemplos de INC_POS_LOOPED em C++ (Cpp)

Exemplo n.º 1

Arquivo: SoundSource.cpp Projeto: AliAkbarMontazeri/AtomicGameEngine

void SoundSource::MixMonoToStereoIP(Sound* sound, int* dest, unsigned samples, int mixRate)
{
    float totalGain = masterGain_ * attenuation_ * gain_;
    int leftVol = (int)((-panning_ + 1.0f) * (256.0f * totalGain + 0.5f));
    int rightVol = (int)((panning_ + 1.0f) * (256.0f * totalGain + 0.5f));
    if (!leftVol && !rightVol)
    {
        MixZeroVolume(sound, samples, mixRate);
        return;
    }

    float add = frequency_ / (float)mixRate;
    int intAdd = (int)add;
    int fractAdd = (int)((add - floorf(add)) * 65536.0f);
    int fractPos = fractPosition_;

    if (sound->IsSixteenBit())
    {
        short* pos = (short*)position_;
        short* end = (short*)sound->GetEnd();
        short* repeat = (short*)sound->GetRepeat();

        if (sound->IsLooped())
        {
            while (samples--)
            {
                int s = GET_IP_SAMPLE();
                *dest = *dest + (s * leftVol) / 256;
                ++dest;
                *dest = *dest + (s * rightVol) / 256;
                ++dest;
                INC_POS_LOOPED();
            }
            position_ = (signed char*)pos;
        }
        else
        {
            while (samples--)
            {
                int s = GET_IP_SAMPLE();
                *dest = *dest + (s * leftVol) / 256;
                ++dest;
                *dest = *dest + (s * rightVol) / 256;
                ++dest;
                INC_POS_ONESHOT();
            }
            position_ = (signed char*)pos;
        }
    }
    else
    {
        signed char* pos = (signed char*)position_;
        signed char* end = sound->GetEnd();
        signed char* repeat = sound->GetRepeat();

        if (sound->IsLooped())
        {
            while (samples--)
            {
                int s = GET_IP_SAMPLE();
                *dest = *dest + s * leftVol;
                ++dest;
                *dest = *dest + s * rightVol;
                ++dest;
                INC_POS_LOOPED();
            }
            position_ = pos;
        }
        else
        {
            while (samples--)
            {
                int s = GET_IP_SAMPLE();
                *dest = *dest + s * leftVol;
                ++dest;
                *dest = *dest + s * rightVol;
                ++dest;
                INC_POS_ONESHOT();
            }
            position_ = pos;
        }
    }

    fractPosition_ = fractPos;
}

Exemplo n.º 2

Arquivo: SoundSource.cpp Projeto: 1vanK/Urho3DQuake2

void SoundSource::MixMonoToMonoIP(Sound* sound, int* dest, unsigned samples, int mixRate)
{
    float totalGain = audio_->GetSoundSourceMasterGain(soundType_) * attenuation_ * gain_;
    int vol = (int)(256.0f * totalGain + 0.5f);
    if (!vol)
    {
        MixZeroVolume(sound, samples, mixRate);
        return;
    }

    float add = frequency_ / (float)mixRate;
    int intAdd = (int)add;
    int fractAdd = (int)((add - floorf(add)) * 65536.0f);
    int fractPos = fractPosition_;

    if (sound->IsSixteenBit())
    {
        short* pos = (short*)position_;
        short* end = (short*)sound->GetEnd();
        short* repeat = (short*)sound->GetRepeat();

        if (sound->IsLooped())
        {
            while (samples--)
            {
                *dest = *dest + (GET_IP_SAMPLE() * vol) / 256;
                ++dest;
                INC_POS_LOOPED();
            }
            position_ = (signed char*)pos;
        }
        else
        {
            while (samples--)
            {
                *dest = *dest + (GET_IP_SAMPLE() * vol) / 256;
                ++dest;
                INC_POS_ONESHOT();
            }
            position_ = (signed char*)pos;
        }
    }
    else
    {
        signed char* pos = (signed char*)position_;
        signed char* end = sound->GetEnd();
        signed char* repeat = sound->GetRepeat();

        if (sound->IsLooped())
        {
            while (samples--)
            {
                *dest = *dest + GET_IP_SAMPLE() * vol;
                ++dest;
                INC_POS_LOOPED();
            }
            position_ = pos;
        }
        else
        {
            while (samples--)
            {
                *dest = *dest + GET_IP_SAMPLE() * vol;
                ++dest;
                INC_POS_ONESHOT();
            }
            position_ = pos;
        }
    }

    fractPosition_ = fractPos;
}