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Working SFXGroup playback

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This commit is contained in:
Jack Andersen
2016-05-14 12:38:37 -10:00
parent b1e7f66199
commit 1382a1e946
17 changed files with 249 additions and 170 deletions
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24
lib/Envelope.cpp
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@@ -33,7 +33,14 @@ float Envelope::nextSample(double sampleRate)
{
case State::Attack:
{
double attackFac = m_curMs / (m_curADSR->attackCoarse * 255 + m_curADSR->attackFine);
uint16_t attack = m_curADSR->attackCoarse * 255 + m_curADSR->attackFine;
if (attack == 0)
{
m_phase = State::Decay;
m_curMs = 0;
return 1.f;
}
double attackFac = m_curMs / double(attack);
if (attackFac >= 1.0)
{
m_phase = State::Decay;
@@ -45,7 +52,15 @@ float Envelope::nextSample(double sampleRate)
}
case State::Decay:
{
double decayFac = m_curMs / (m_curADSR->decayCoarse * 255 + m_curADSR->decayFine);
uint16_t decay = m_curADSR->decayCoarse * 255 + m_curADSR->decayFine;
if (decay == 0)
{
m_phase = State::Sustain;
m_curMs = 0;
m_releaseStartFactor = m_sustainFactor;
return m_sustainFactor;
}
double decayFac = m_curMs / double(decay);
if (decayFac >= 1.0)
{
m_phase = State::Sustain;
@@ -62,7 +77,10 @@ float Envelope::nextSample(double sampleRate)
}
case State::Release:
{
double releaseFac = m_curMs / (m_curADSR->releaseCoarse * 255 + m_curADSR->releaseFine);
uint16_t release = m_curADSR->releaseCoarse * 255 + m_curADSR->releaseFine;
if (release == 0)
return 0.f;
double releaseFac = m_curMs / double(release);
if (releaseFac >= 1.0)
return 0.f;
return (1.0 - releaseFac) * m_releaseStartFactor;