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feat(tracker): auto-create patterns when adding notes to empty area

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Closes #53.
This commit is contained in:
vsariola 2021-03-11 21:58:56 +02:00
parent adc12dde4f
commit 8a5d337775
1 changed files with 12 additions and 3 deletions
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15
tracker/model.go
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@ -300,13 +300,22 @@ func (m *Model) Note() byte {
func (m *Model) SetNote(iv byte) { func (m *Model) SetNote(iv byte) {
m.saveUndo("SetNote", 10) m.saveUndo("SetNote", 10)
tracks := m.song.Score.Tracks tracks := m.song.Score.Tracks
order := tracks[m.cursor.Track].Order if m.cursor.Pattern < 0 || m.cursor.Row < 0 {
if m.cursor.Pattern < 0 || m.cursor.Pattern >= len(order) || m.cursor.Row < 0 {
return return
} }
for len(tracks[m.cursor.Track].Order) <= m.cursor.Pattern {
tracks[m.cursor.Track].Order = append(tracks[m.cursor.Track].Order, -1)
}
order := tracks[m.cursor.Track].Order
patIndex := order[m.cursor.Pattern] patIndex := order[m.cursor.Pattern]
if patIndex < 0 { if patIndex < 0 {
return patIndex = len(tracks[m.cursor.Track].Patterns)
for _, pi := range tracks[m.cursor.Track].Order {
if pi >= patIndex {
patIndex = pi + 1 // we find a pattern that is not in the pattern table nor in the order list i.e. completely new pattern
}
}
tracks[m.cursor.Track].Order[m.cursor.Pattern] = patIndex
} }
for len(tracks[m.cursor.Track].Patterns) <= patIndex { for len(tracks[m.cursor.Track].Patterns) <= patIndex {
tracks[m.cursor.Track].Patterns = append(tracks[m.cursor.Track].Patterns, nil) tracks[m.cursor.Track].Patterns = append(tracks[m.cursor.Track].Patterns, nil)