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flexEG: allow release to bypass the pre-sustain stages

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It makes the EG equivalent to ARIA in case of early release.
This commit is contained in:
Jean Pierre Cimalando 2020-09-28 21:49:20 +02:00
parent 1212dbfbe9
commit 9cab74f2c4
1 changed files with 17 additions and 5 deletions
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22
src/sfizz/FlexEnvelope.cpp
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@ -141,12 +141,24 @@ void FlexEnvelope::Impl::process(absl::Span<float> out)
} }
// Perform stage transitions // Perform stage transitions
const bool isReleased = isReleased_; if (isReleased_) {
while ((!stageSustained_ && currentTime_ >= stageTime_) || // on release, fast forward past the sustain stage
(stageSustained_ && isReleased)) { const unsigned sustainStage = desc.sustain;
// If stage is of zero duration, immediate transition to level while (currentStageNumber_ <= sustainStage) {
if (!stageSustained_ && stageTime_ == 0) if (!advanceToNextStage()) {
out.remove_prefix(frameIndex);
fill(out, 0.0f);
return;
}
}
}
while (!stageSustained_ && currentTime_ >= stageTime_) {
// advance through completed timed stages
ASSERT(isReleased_ || !stageSustained_);
if (stageTime_ == 0) {
// if stage is of zero duration, immediate transition to level
currentLevel_ = stageTargetLevel_; currentLevel_ = stageTargetLevel_;
}
if (!advanceToNextStage()) { if (!advanceToNextStage()) {
out.remove_prefix(frameIndex); out.remove_prefix(frameIndex);
fill(out, 0.0f); fill(out, 0.0f);