mirror/sointu
1
0
Fork 0
mirror of https://github.com/vsariola/sointu.git synced 2025-07-18 21:14:31 -04:00
Code Issues Packages Projects Releases Wiki Activity

refactor(sointu): add explicit RowsPerPattern to the song

Browse Source
This commit is contained in:
vsariola
2021-01-21 13:16:41 +02:00
parent 08dcbb9edb
commit 61437db0d6
98 changed files with 117 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
sointu.go
View File

@ -254,9 +254,10 @@ var UnitTypes = map[string]([]UnitParameter){
}
type Song struct {
BPM int
Tracks []Track
Patch Patch
BPM int
RowsPerPattern int
Tracks []Track
Patch Patch
}
func (s *Song) Copy() Song {
@ -267,16 +268,12 @@ func (s *Song) Copy() Song {
return Song{BPM: s.BPM, Tracks: tracks, Patch: s.Patch.Copy()}
}
func (s *Song) PatternRows() int {
return len(s.Tracks[0].Patterns[0])
}
func (s *Song) SequenceLength() int {
return len(s.Tracks[0].Sequence)
}
func (s *Song) TotalRows() int {
return s.PatternRows() * s.SequenceLength()
return s.RowsPerPattern * s.SequenceLength()
}
func (s *Song) SamplesPerRow() int {
@ -350,8 +347,8 @@ func Play(synth Synth, song Song) ([]float32, error) {
buffer := make([]float32, 0, initialCapacity)
rowbuffer := make([]float32, song.SamplesPerRow()*2)
for row := 0; row < song.TotalRows(); row++ {
patternRow := row % song.PatternRows()
pattern := row / song.PatternRows()
patternRow := row % song.RowsPerPattern
pattern := row / song.RowsPerPattern
for t := range song.Tracks {
patternIndex := song.Tracks[t].Sequence[pattern]
note := song.Tracks[t].Patterns[patternIndex][patternRow]