void MouseDown(int note, float time, Sequencer sequencer, SerializedProperty allNotes)
{
float divisionLength = sequencer.GetDivisionLength();
roundingToIndex = false;
mouseActive = true;
activeNote = sequencer.GetNoteInRange(note, time, time);
dragTime = time;
activeTime = time;
pressTime = time;
pressNote = note;
if (pressedKey >= 0)
{
sequencer.NoteOff(pressedKey);
pressedKey = -1;
}
if (time < 0.0f)
{
mode = Mode.kKeyboarding;
pressedKey = note;
sequencer.NoteOn(pressedKey, 1.0f);
return;
}
else if (activeNote != null)
{
float startPixels = colWidth * (time - activeNote.start) / divisionLength;
float endPixels = colWidth * (activeNote.end - time) / divisionLength;
if (endPixels <= grabResizeWidth)
{
mode = Mode.kDraggingEnd;
}
else if (startPixels <= grabResizeWidth)
{
mode = Mode.kDraggingStart;
}
else
{
mode = Mode.kDeleting;
}
}
else
{
mode = Mode.kAdding;
}
}
bool MouseDrag(int note, float time, Sequencer sequencer, SerializedProperty allNotes)
{
float divisionLength = sequencer.GetDivisionLength();
float clampedTime = Mathf.Clamp(time, 0.0f, sequencer.length);
float lastDragTime = dragTime;
dragTime = clampedTime;
float newActiveTime = dragTime;
if (roundingToIndex)
{
newActiveTime = divisionLength * Mathf.Round(dragTime / divisionLength);
}
if (Mathf.Abs(dragTime - pressTime) >= dragDeltaStartRounding)
{
roundingToIndex = true;
}
if (mode == Mode.kKeyboarding)
{
if (note == pressedKey)
{
return(false);
}
sequencer.NoteOff(pressedKey);
sequencer.NoteOn(note);
pressedKey = note;
return(true);
}
else if (mode == Mode.kDraggingStart)
{
if (activeNote == null)
{
return(false);
}
newActiveTime = Mathf.Min(activeNote.end - minNoteTime, newActiveTime);
bool redraw = activeTime == newActiveTime;
activeTime = newActiveTime;
return(redraw);
}
else if (mode == Mode.kDraggingEnd)
{
if (activeNote == null)
{
return(false);
}
newActiveTime = Mathf.Max(activeNote.start + minNoteTime, newActiveTime);
bool redraw = activeTime == newActiveTime;
activeTime = newActiveTime;
return(redraw);
}
else if (mode == Mode.kAdding)
{
int lastIndex = Mathf.FloorToInt(lastDragTime / divisionLength);
int index = Mathf.FloorToInt(time / divisionLength);
return(lastIndex != index);
}
return(true);
}