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feat(tracker): rework the MIDI input and note event handling

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This commit is contained in:
5684185+vsariola@users.noreply.github.com
2025-06-03 20:03:22 +03:00
parent 7ef868a434
commit 283fbc1171
19 changed files with 428 additions and 500 deletions
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39
tracker/model.go
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@ -82,8 +82,7 @@ type (
broker *Broker
MIDI MIDIContext
trackMidiIn bool
MIDI MIDIContext
}
// Cursor identifies a row and a track in a song score.
@ -104,26 +103,12 @@ type (
Continuation func(string) // function to call with the selected file path
}
// Describes a note triggered either a track or an instrument
// If Go had union or Either types, this would be it, but in absence
// those, this uses a boolean to define if the instrument is defined or the track
NoteID struct {
IsInstr bool
Instr int
Track int
Note byte
model *Model
}
IsPlayingMsg struct{ bool }
StartPlayMsg struct{ sointu.SongPos }
BPMMsg struct{ int }
RowsPerBeatMsg struct{ int }
PanicMsg struct{ bool }
RecordingMsg struct{ bool }
NoteOnMsg struct{ NoteID }
NoteOffMsg struct{ NoteID }
ChangeSeverity int
ChangeType int
@ -187,7 +172,6 @@ func NewModel(broker *Broker, synther sointu.Synther, midiContext MIDIContext, r
m := new(Model)
m.synther = synther
m.MIDI = midiContext
m.trackMidiIn = midiContext.HasDeviceOpen()
m.broker = broker
m.d.Octave = 4
m.linkInstrTrack = true
@ -353,6 +337,10 @@ func (m *Model) ProcessMsg(msg MsgToModel) {
if m.playing && m.follow {
m.d.Cursor.SongPos = msg.SongPosition
m.d.Cursor2.SongPos = msg.SongPosition
TrySend(m.broker.ToGUI, any(MsgToGUI{
Kind: GUIMessageCenterOnRow,
Param: m.PlaySongRow(),
}))
}
m.panic = msg.Panic
}
@ -386,29 +374,12 @@ func (m *Model) ProcessMsg(msg MsgToModel) {
m.playing = e.bool
case *sointu.AudioBuffer:
m.signalAnalyzer.ProcessAudioBuffer(e)
default:
}
}
func (m *Model) SignalAnalyzer() *ScopeModel { return m.signalAnalyzer }
func (m *Model) Broker() *Broker { return m.broker }
func (m *Model) TrackNoteOn(track int, note byte) (id NoteID) {
id = NoteID{IsInstr: false, Track: track, Note: note, model: m}
TrySend(m.broker.ToPlayer, any(NoteOnMsg{id}))
return id
}
func (m *Model) InstrNoteOn(instr int, note byte) (id NoteID) {
id = NoteID{IsInstr: true, Instr: instr, Note: note, model: m}
TrySend(m.broker.ToPlayer, any(NoteOnMsg{id}))
return id
}
func (n NoteID) NoteOff() {
TrySend(n.model.broker.ToPlayer, any(NoteOffMsg{n}))
}
func (d *modelData) Copy() modelData {
ret := *d
ret.Song = d.Song.Copy()