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feat: add ability to select & move multiple units (closes #71)

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This commit is contained in:
5684185+vsariola@users.noreply.github.com
2023-07-21 00:39:29 +03:00
parent 5884a8d195
commit 61776f397a
5 changed files with 126 additions and 55 deletions
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73
tracker/model.go
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@ -641,18 +641,20 @@ func (m *Model) SetUnitType(t string) {
m.notifyPatchChange()
}
func (m *Model) PasteUnit(unit sointu.Unit) {
m.saveUndo("PasteUnit", 0)
newUnits := make([]sointu.Unit, len(m.Instrument().Units)+1)
func (m *Model) PasteUnits(units []sointu.Unit) {
m.saveUndo("PasteUnits", 0)
newUnits := make([]sointu.Unit, len(m.Instrument().Units)+len(units))
m.unitIndex++
copy(newUnits, m.Instrument().Units[:m.unitIndex])
copy(newUnits[m.unitIndex+1:], m.Instrument().Units[m.unitIndex:])
if _, ok := m.usedIDs[unit.ID]; ok {
m.maxID++
unit.ID = m.maxID
copy(newUnits[m.unitIndex+len(units):], m.Instrument().Units[m.unitIndex:])
for _, unit := range units {
if _, ok := m.usedIDs[unit.ID]; ok {
m.maxID++
unit.ID = m.maxID
}
m.usedIDs[unit.ID] = true
}
m.usedIDs[unit.ID] = true
newUnits[m.unitIndex] = unit
copy(newUnits[m.unitIndex:m.unitIndex+len(units)], units)
m.song.Patch[m.instrIndex].Units = newUnits
m.paramIndex = 0
m.clampPositions()
@ -724,23 +726,38 @@ func (m *Model) DeleteOrderRow(forward bool) {
m.notifyScoreChange()
}
func (m *Model) DeleteUnit(forward bool) {
if !m.CanDeleteUnit() {
return
}
func (m *Model) DeleteUnits(forward bool, a, b int) []sointu.Unit {
instr := m.Instrument()
m.saveUndo("DeleteUnit", 0)
delete(m.usedIDs, instr.Units[m.unitIndex].ID)
newUnits := make([]sointu.Unit, len(instr.Units)-1)
copy(newUnits, instr.Units[:m.unitIndex])
copy(newUnits[m.unitIndex:], instr.Units[m.unitIndex+1:])
m.song.Patch[m.instrIndex].Units = newUnits
if !forward && m.unitIndex > 0 {
m.unitIndex--
m.saveUndo("DeleteUnits", 0)
a, b = intMin(a, b), intMax(a, b)
if a < 0 {
a = 0
}
if b > len(instr.Units)-1 {
b = len(instr.Units) - 1
}
for i := a; i <= b; i++ {
delete(m.usedIDs, instr.Units[i].ID)
}
var newUnits []sointu.Unit
if a == 0 && b == len(instr.Units)-1 {
newUnits = make([]sointu.Unit, 1)
m.unitIndex = 0
} else {
newUnits = make([]sointu.Unit, len(instr.Units)-(b-a+1))
copy(newUnits, instr.Units[:a])
copy(newUnits[a:], instr.Units[b+1:])
m.unitIndex = a
if forward {
m.unitIndex--
}
}
deletedUnits := instr.Units[a : b+1]
m.song.Patch[m.instrIndex].Units = newUnits
m.paramIndex = 0
m.clampPositions()
m.notifyPatchChange()
return deletedUnits
}
func (m *Model) CanDeleteUnit() bool {
@ -1377,3 +1394,17 @@ func clamp(a, min, max int) int {
}
return a
}
func intMax(a, b int) int {
if a > b {
return a
}
return b
}
func intMin(a, b int) int {
if a < b {
return a
}
return b
}