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refactor: implement Order and Pattern types: slices returning default values for out of bound indices

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vsariola
2021-05-12 11:31:38 +03:00
parent ce6e5d4942
commit a2723829da
9 changed files with 68 additions and 51 deletions
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10
tracker/gioui/trackeditor.go
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@ -418,10 +418,7 @@ func (te *TrackEditor) layoutTracks(gtx C, t *Tracker) D {
for row := firstRow; row <= lastRow; row++ {
pat := row / t.Song().Score.RowsPerPattern
patRow := row % t.Song().Score.RowsPerPattern
s := -1
if pat >= 0 && pat < len(trk.Order) {
s = trk.Order[pat]
}
s := trk.Order.Get(pat)
if s < 0 {
op.Offset(f32.Pt(0, trackRowHeight)).Add(gtx.Ops)
continue
@ -442,10 +439,7 @@ func (te *TrackEditor) layoutTracks(gtx C, t *Tracker) D {
}
var c byte = 1
if s >= 0 && s < len(trk.Patterns) {
pattern := trk.Patterns[s]
if patRow >= 0 && patRow < len(pattern) {
c = pattern[patRow]
}
c = trk.Patterns[s].Get(patRow)
}
if trk.Effect {
var text string