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feat: keeping instruments and tracks linked & splitting them

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Also includes a refactoring of the List: all methods that accepted
or returned a [from, to] range now return a Range, which is
non-inclusive i.e. [start,end).

Also the assignUnitIds was slightly refactored & a new function
called assignUnitIdsForPatch was added, to assign all unit IDs for
an patch at once.

Closes #157, #163.
This commit is contained in:
5684185+vsariola@users.noreply.github.com
2024-10-20 11:30:52 +03:00
parent 025f8832d9
commit 216cde2365
14 changed files with 675 additions and 284 deletions
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54
tracker/model.go
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@ -62,6 +62,10 @@ type (
follow bool
quitted bool
uniquePatterns bool
// when linkInstrTrack is false, editing an instrument does not change
// the track. when true, editing an instrument changes the tracks (e.g.
// reordering or deleting instrument can delete track)
linkInstrTrack bool
cachePatternUseCount [][]int
@ -184,6 +188,7 @@ func NewModelPlayer(synther sointu.Synther, midiContext MIDIContext, recoveryFil
m.modelMessages = modelMessages
m.PlayerMessages = playerMessages
m.d.Octave = 4
m.linkInstrTrack = true
m.d.RecoveryFilePath = recoveryFilePath
m.resetSong()
if recoveryFilePath != "" {
@ -431,33 +436,56 @@ func (m *Model) maxID() int {
return maxID
}
func (m *Model) assignUnitIDs(units []sointu.Unit) {
maxId := 0
usedIds := make(map[int]bool)
func (m *Model) maxIDandUsed() (maxID int, usedIDs map[int]bool) {
usedIDs = make(map[int]bool)
for _, instr := range m.d.Song.Patch {
for _, unit := range instr.Units {
usedIds[unit.ID] = true
if maxId < unit.ID {
maxId = unit.ID
usedIDs[unit.ID] = true
if maxID < unit.ID {
maxID = unit.ID
}
}
}
return
}
func (m *Model) assignUnitIDsForPatch(patch sointu.Patch) {
maxId, usedIds := m.maxIDandUsed()
rewrites := map[int]int{}
for _, instr := range patch {
rewriteUnitIds(instr.Units, &maxId, usedIds, rewrites)
}
for _, instr := range patch {
rewriteSendTargets(instr.Units, rewrites)
}
}
func (m *Model) assignUnitIDs(units []sointu.Unit) {
maxID, usedIds := m.maxIDandUsed()
rewrites := map[int]int{}
rewriteUnitIds(units, &maxID, usedIds, rewrites)
rewriteSendTargets(units, rewrites)
}
func rewriteUnitIds(units []sointu.Unit, maxId *int, usedIds map[int]bool, rewrites map[int]int) {
for i := range units {
if id := units[i].ID; id == 0 || usedIds[id] {
maxId++
*maxId++
if id > 0 {
rewrites[id] = maxId
rewrites[id] = *maxId
}
units[i].ID = maxId
units[i].ID = *maxId
}
usedIds[units[i].ID] = true
if maxId < units[i].ID {
maxId = units[i].ID
if *maxId < units[i].ID {
*maxId = units[i].ID
}
}
for i, u := range units {
if target, ok := u.Parameters["target"]; u.Type == "send" && ok {
}
func rewriteSendTargets(units []sointu.Unit, rewrites map[int]int) {
for i := range units {
if target, ok := units[i].Parameters["target"]; units[i].Type == "send" && ok {
if newId, ok := rewrites[target]; ok {
units[i].Parameters["target"] = newId
}