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feat: remove hold from song

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assume songs code it as 1 always; implementations are free to change this during compilation, but this should be a compile time flag / optimization; not a concern of song.
This commit is contained in:
vsariola
2021-01-05 15:50:27 +02:00
parent 994c11e8db
commit 30379c981d
96 changed files with 14 additions and 138 deletions
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31
sointu.go
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@ -214,7 +214,6 @@ var UnitTypes = map[string]([]UnitParameter){
type Song struct {
BPM int
Output16Bit bool
Hold byte
Tracks []Track
Patch Patch
}
@ -299,11 +298,11 @@ func Play(synth Synth, song Song) ([]float32, error) {
for t := range song.Tracks {
patternIndex := song.Tracks[t].Sequence[pattern]
note := song.Tracks[t].Patterns[patternIndex][patternRow]
if note > 0 && note <= song.Hold { // anything but hold causes an action.
if note > 0 && note <= 1 { // anything but hold causes an action.
continue
}
synth.Release(curVoices[t])
if note > song.Hold {
if note > 1 {
curVoices[t]++
first := song.FirstTrackVoice(t)
if curVoices[t] >= first+song.Tracks[t].NumVoices {
@ -324,29 +323,3 @@ func Play(synth Synth, song Song) ([]float32, error) {
}
return buffer, nil
}
func (s *Song) UpdateHold(newHold byte) error {
if newHold == 0 {
return errors.New("hold value cannot be 0, 0 is reserved for release")
}
for _, track := range s.Tracks {
for _, pat := range track.Patterns {
for _, v := range pat {
if v > s.Hold && v <= newHold {
return errors.New("song uses note values greater or equal to the new hold value")
}
}
}
}
for _, track := range s.Tracks {
for _, pat := range track.Patterns {
for i, v := range pat {
if v > 0 && v <= s.Hold {
pat[i] = newHold
}
}
}
}
s.Hold = newHold
return nil
}