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fix: assign new IDs to loaded instruments

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Fixes #146.
This commit is contained in:
5684185+vsariola@users.noreply.github.com
2024-09-06 20:14:46 +03:00
parent 569958547e
commit d46605c638
3 changed files with 36 additions and 0 deletions
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32
tracker/model.go
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@ -225,6 +225,7 @@ func (m *Model) change(kind string, t ChangeType, severity ChangeSeverity) func(
m.send(m.d.Song.Score.Copy())
}
if m.changeType&PatchChange != 0 {
m.fixIDCollisions()
m.d.InstrIndex = clamp(m.d.InstrIndex, 0, len(m.d.Song.Patch)-1)
m.d.InstrIndex2 = clamp(m.d.InstrIndex2, 0, len(m.d.Song.Patch)-1)
unitCount := 0
@ -441,6 +442,37 @@ func (m *Model) assignUnitIDs(units []sointu.Unit) {
}
}
func (m *Model) fixIDCollisions() {
// loop over all instruments and units and check if two units have the same
// ID. If so, give the later units new IDs.
usedIDs := map[int]bool{}
needsFix := false
maxID := 0
for i, instr := range m.d.Song.Patch {
for j, unit := range instr.Units {
if usedIDs[unit.ID] {
m.d.Song.Patch[i].Units[j].ID = 0
needsFix = true
}
if unit.ID > maxID {
maxID = unit.ID
}
usedIDs[unit.ID] = true
}
}
if needsFix {
m.Alerts().Add("Some units had duplicate IDs, they were fixed", Error)
for i, instr := range m.d.Song.Patch {
for j, unit := range instr.Units {
if unit.ID == 0 {
maxID++
m.d.Song.Patch[i].Units[j].ID = maxID
}
}
}
}
}
func (m *Model) updatePatternUseCount() {
for i, track := range m.d.Song.Score.Tracks {
for len(m.cachePatternUseCount) <= i {