public static uint CalcIndex(byte note, byte channel) => ((uint)channel << 7) | note; // equivelent to channel * 128 + note
public void MatchNoteEvents()
{
// Handle note on/off event matching, as well as converting vel 0 noteon's to note off events.
if (state.eventElement is NoteOnEvent noteOn)
{
uint key = CalcIndex(noteOn.note, noteOn.Channel);
if (noteOn.velocity == 0 && notesActive[key].Count > 0)
{
NoteOffEvent off = noteOn.ToOffEvent();
NoteOnEvent on = notesActive[key].Pop();
on.NoteOff = off;
state.eventElement = off;
}
else
{
notesActive[key].Push(noteOn);
}
}
else if (state.eventElement is NoteOffEvent noteOff)
{
uint key = CalcIndex(noteOff.note, noteOff.Channel);
NoteOnEvent on = notesActive[key].Pop();
on.NoteOff = noteOff;
}
}
void LoadMidiFile(string fileName)
{
MidiFile mf = new MidiFile(fileName);
midiFile = mf;
long highestTick = -1;
bpm = 120;
int tempo_count = 0;
beats.Clear();
for (int i = 0; i < mf.Events.Tracks; i++)
{
var channel = mf.Events[i];
foreach (var eve in channel)
{
highestTick = (eve.AbsoluteTime > highestTick) ? eve.AbsoluteTime : highestTick;
if (eve.CommandCode == MidiCommandCode.MetaEvent)
{
//Debug.Log(eve.Channel+":"+eve);
if (eve is TempoEvent)
{
tempo_count++;
if (tempo_count <= 1)
{
bpm = (60000000 / ((TempoEvent)eve).MicrosecondsPerQuarterNote);
// calculate ticks per second!
ticksPerSecond = bpm * mf.DeltaTicksPerQuarterNote / 60f;
}
else
{
Debug.LogError("BPM has changed twice!");
}
}
}
else if (eve.CommandCode == MidiCommandCode.NoteOn)
{
NoteOnEvent noteOnEvent = eve as NoteOnEvent;
Beat beat = new Beat();
beat._event = noteOnEvent;
beat.Time = (int)noteOnEvent.AbsoluteTime;
beat.trackIndex = i;
beat.estimatedTime = beat.Time / ticksPerSecond;
beats.Add(beat);
}
}
}
musicLength = highestTick / ticksPerSecond;
Debug.Log(string.Format("music length = {0}, bpm = {1}", musicLength, bpm));
beats.Sort((a, b) => a._event.AbsoluteTime.CompareTo(b._event.AbsoluteTime));
SetBeatIndexes();
Debug.Log(string.Format("beat count = {0}, last beat time = {1}, last beat = {2}",
beats.Count, beats[beats.Count - 1]._event.AbsoluteTime / ticksPerSecond,
beats[beats.Count - 1]._event));
}
private void AddNote(byte Key, uint Duration, byte Velocity, byte Channel = 0)
{
var onEvent = new EventData();
onEvent.EventType = EventTypeList.NoteOn;
var on = new NoteOnEvent();
on.Channel = Channel;
on.Key = (byte)(Key + Offset);
on.Velocity = Velocity;
onEvent.Event = on;
onEvent.DeltaTime = 0;
Events.Add(onEvent);
var offEvent = new EventData();
offEvent.EventType = EventTypeList.NoteOff;
var off = new NoteOffEvent();
off.Channel = Channel;
off.Key = (byte)(Key + Offset);
off.Velocity = Velocity;
offEvent.Event = off;
offEvent.DeltaTime = Duration;
Events.Add(offEvent);
}
public FaderPort()
{
_inputDevice = InputDevice.GetByName("FaderPort");
_outputDevice = OutputDevice.GetByName("FaderPort");
if (_inputDevice == null)
{
throw new InvalidOperationException("Unable to connect to FaderPort input device.");
}
if (_outputDevice == null)
{
throw new InvalidOperationException("Unable to connect to FaderPort output device.");
}
_inputDevice.EventReceived += OnInputEvent;
_inputDevice.StartEventsListening();
_outputDevice.PrepareForEventsSending();
var nativeEvent = new NoteOnEvent((SevenBitNumber)0, (SevenBitNumber)0x64)
{
Channel = (FourBitNumber)1
};
Console.WriteLine("Switching FaderPort to native mode.");
_outputDevice.SendEvent(nativeEvent);
ClearAllLights();
_cts = new CancellationTokenSource();
_blinkerThread = new Thread(BlinkerMain);
_blinkerThread.Start();
}
public int getAverageVelocity()
{
int velocitySum = 0;
int velocityCount = 0;
for (int track = 0; track < m_data.Tracks; track++)
{
foreach (MidiEvent e in m_data[track])
{
TimeSignatureEvent t;
if (e.CommandCode == MidiCommandCode.NoteOn)
{
NoteOnEvent n = (NoteOnEvent)e;
if (n.OffEvent != null)
{
++velocityCount;
velocitySum += n.Velocity;
// It is an event!
}
}
}
}
return((int)(velocitySum / velocityCount));
}
/// <summary>
/// Play a MIDI note inside Warframe.
/// </summary>
/// <param name="note"> The note to be played.</param>
/// <param name="enableVibrato"> Should we use vibrato to play unplayable notes?.</param>
/// <param name="transposeNotes"> Should we transpose unplayable notes?.</param>
public static void PlayNote(NoteOnEvent note, bool enableVibrato, bool transposeNotes)
{
var hWnd = GetForegroundWindow();
if (warframeWindow.Equals(IntPtr.Zero) || !hWnd.Equals(warframeWindow))
{
return;
}
var noteId = (int)note.NoteNumber;
if (!shawzinNotes.ContainsKey(noteId))
{
if (transposeNotes)
{
if (noteId < shawzinNotes.Keys.First())
{
noteId = shawzinNotes.Keys.First() + noteId % 12;
}
else if (noteId > shawzinNotes.Keys.Last())
{
noteId = shawzinNotes.Keys.Last() - 15 + noteId % 12;
}
}
else
{
return;
}
}
var shawzinNote = shawzinNotes[noteId];
PlayNote(noteId, enableVibrato, transposeNotes);
}
// Token: 0x06002A62 RID: 10850 RVA: 0x00137FB8 File Offset: 0x001361B8
private static void smethod_4(IList <MidiEvent> ilist_0)
{
foreach (MidiEvent midiEvent in ilist_0)
{
NoteOnEvent noteOnEvent = midiEvent as NoteOnEvent;
if (noteOnEvent != null)
{
Console.WriteLine(string.Concat(new object[]
{
"Note: ",
noteOnEvent.NoteNumber,
", Pos: ",
noteOnEvent.AbsoluteTime,
", Vel: ",
noteOnEvent.Velocity,
", Channel: ",
noteOnEvent.Channel,
", Off pos: ",
noteOnEvent.OffEvent.AbsoluteTime
}));
}
TextEvent textEvent = midiEvent as TextEvent;
if (textEvent != null)
{
Console.WriteLine(textEvent.Text + " " + textEvent.AbsoluteTime);
}
}
}
private static TrackChunk AddEventsOfNote(
TrackChunk chunkito,
Note n,
byte channel)
{
var noteOn = new NoteOnEvent()
{
Channel = new FourBitNumber(channel),
DeltaTime = n.StartSinceBeginningOfSongInTicks,
NoteNumber = new SevenBitNumber(n.Pitch),
Velocity = new SevenBitNumber(n.Volume)
};
chunkito.Events.Add(noteOn);
var noteOff = new NoteOffEvent()
{
Channel = new FourBitNumber(channel),
DeltaTime = n.EndSinceBeginningOfSongInTicks,
NoteNumber = new SevenBitNumber(n.Pitch)
};
chunkito.Events.Add(noteOff);
foreach (var pb in n.PitchBending)
{
var p = new PitchBendEvent()
{
Channel = new FourBitNumber(channel),
DeltaTime = pb.TicksSinceBeginningOfSong,
PitchValue = pb.Pitch
};
chunkito.Events.Add(p);
}
return(chunkito);
}
private void LoadScore()
{
var strictMode = false;
mf = new MidiFile(MidiScoreFile, strictMode);
ppq = mf.DeltaTicksPerQuarterNote;
ScoreLoaded = true;
tempo = PlayerCtrl.Control.tempo;
//Find first note
var track = mf.Events[0]; // MIDI Files for VRMIN should only have one track
int eventIdx = 0;
NoteOnEvent firstNoteEvent = null;
foreach (var midiEvent in track)
{
if (MidiEvent.IsNoteOn(midiEvent))
{
firstNoteEvent = (NoteOnEvent)midiEvent;
break;
}
}
if (firstNoteEvent != null)
{
CurrentNote = new NoteMessage(-1, firstNoteEvent.NoteNumber, PlayerCtrl.Control.startDelay);
}
else
{
throw new System.ArgumentException("No Data in loaded Score");
}
}
public void SendEvent_MidiEvent()
{
var midiEvent = new NoteOnEvent((SevenBitNumber)45, (SevenBitNumber)89)
{
Channel = (FourBitNumber)6
};
using (var outputDevice = OutputDevice.GetByName(MidiDevicesNames.DeviceA))
{
MidiEvent eventSent = null;
outputDevice.EventSent += (_, e) => eventSent = e.Event;
using (var inputDevice = InputDevice.GetByName(MidiDevicesNames.DeviceA))
{
MidiEvent eventReceived = null;
inputDevice.EventReceived += (_, e) => eventReceived = e.Event;
inputDevice.StartEventsListening();
outputDevice.PrepareForEventsSending();
outputDevice.SendEvent(new NoteOnEvent((SevenBitNumber)45, (SevenBitNumber)89)
{
Channel = (FourBitNumber)6
});
var timeout = TimeSpan.FromMilliseconds(15);
var isEventSentReceived = SpinWait.SpinUntil(() => eventSent != null && eventReceived != null, timeout);
Assert.IsTrue(isEventSentReceived, "Event either not sent ot not received.");
MidiAsserts.AreEventsEqual(midiEvent, eventSent, false, "Sent event is invalid.");
MidiAsserts.AreEventsEqual(eventSent, eventReceived, false, "Received event is invalid.");
}
}
}
/// <summary>
/// Finds the first pair of same-note on and off events
/// in an array of MIDI events starting from <paramref name="start_index"/>
/// </summary>
/// <param name="events"></param>
/// <param name="start_index"></param>
/// <param name="on_event"></param>
/// <param name="off_event"></param>
/// <param name="time_span_in_pulses"></param>
/// <param name="max_steps"></param>
/// <returns></returns>
public static bool FindNoteOnOff(
MidiEvent[] events,
int start_index,
out NoteOnEvent on_event,
out NoteOffEvent off_event,
out int time_span_in_pulses,
int max_steps)
{
on_event = null;
off_event = null;
time_span_in_pulses = 0;
for (int i = 0; i < max_steps; i++)
{
int index = start_index + i;
MidiEvent @event = events[index];
if (on_event != null)
{
time_span_in_pulses += @event.delta_time;
if (@event is NoteOffEvent)
{
off_event = @event as NoteOffEvent;
if (off_event.note_number == on_event.note_number)
{
return(true);
}
}
}
if (@event is NoteOnEvent)
{
on_event = on_event ?? @event as NoteOnEvent;
}
}
return(false);
}
public void DebugTrack()
{
int itrck = 0;
foreach (IList <MidiEvent> track in midifile.Events)
{
itrck++;
foreach (MidiEvent midievent in track)
{
string info = string.Format("Track:{0} Channel:{1,2:00} Command:{2} AbsoluteTime:{3:0000000} ", itrck, midievent.Channel, midievent.CommandCode, midievent.AbsoluteTime);
if (midievent.CommandCode == MidiCommandCode.NoteOn)
{
NoteOnEvent noteon = (NoteOnEvent)midievent;
if (noteon.OffEvent == null)
{
info += string.Format(" OffEvent null");
}
else
{
info += string.Format(" OffEvent.DeltaTimeChannel:{0:0000.00} ", noteon.OffEvent.DeltaTime);
}
}
Debug.Log(info);
}
}
}
public void DebugMidiSorted()
{
foreach (TrackMidiEvent midievent in MidiSorted)
{
string info = string.Format("Track:{0} Channel:{1,2:00} Command:{2} AbsoluteTime:{3:0000000} ", midievent.IndexTrack, midievent.Event.Channel, midievent.Event.CommandCode, midievent.Event.AbsoluteTime);
switch (midievent.Event.CommandCode)
{
case MidiCommandCode.NoteOn:
NoteOnEvent noteon = (NoteOnEvent)midievent.Event;
if (noteon.Velocity == 0)
{
info += string.Format(" Velocity 0");
}
if (noteon.OffEvent == null)
{
info += string.Format(" OffEvent null");
}
else
{
info += string.Format(" OffEvent.DeltaTimeChannel:{0:0000.00} ", noteon.OffEvent.DeltaTime);
}
break;
}
Debug.Log(info);
}
}
public void NoteOnIsDeepClone()
{
var ev = new NoteOnEvent(0, 1, 30, 100, 15);
var clone = (NoteOnEvent)ev.Clone();
Assert.That(clone.OffEvent, Is.Not.SameAs(ev.OffEvent));
}
/// <summary>
/// Play a MIDI note inside Warframe.
/// </summary>
/// <param name="note"> The note to be played.</param>
/// <param name="enableVibrato"> Should we use vibrato to play unplayable notes?.</param>
/// <param name="transposeNotes"> Should we transpose unplayable notes?.</param>
public static bool PlayNote(NoteOnEvent note, bool enableVibrato, bool transposeNotes)
{
//var hWnd = GetForegroundWindow();
//if (warframeWindow.Equals(IntPtr.Zero) || !hWnd.Equals(warframeWindow)) return false;
if (!IsWindowFocused("Warframe"))
{
return(false);
}
var noteId = (int)note.NoteNumber;
if (!shawzinNotes.ContainsKey(noteId))
{
if (transposeNotes)
{
if (noteId < shawzinNotes.Keys.First())
{
noteId = shawzinNotes.Keys.First() + noteId % 12;
}
else if (noteId > shawzinNotes.Keys.Last())
{
noteId = shawzinNotes.Keys.Last() - 15 + noteId % 12;
}
}
else
{
return(false);
}
}
PlayNote(noteId, enableVibrato, transposeNotes);
return(true);
}
public void TestAddNamedTrackCopyWithOwnEnd()
{
var manualMidi = new MidiEventCollection(1, 200);
var noteEvent = new NoteOnEvent(0, 1, 1, 1, 1);
const string trackName = "name";
var trackNameEvent = new TextEvent(trackName, MetaEventType.SequenceTrackName, 0);
var endTrackEvent = new MetaEvent(MetaEventType.EndTrack, 0, 90);
var track = manualMidi.AddTrack();
track.Add(trackNameEvent);
track.Add(noteEvent);
track.Add(noteEvent.OffEvent);
track.Add(endTrackEvent);
var extensionMidi = new MidiEventCollection(1, 200);
var events = new MidiEvent[] { noteEvent, noteEvent.OffEvent, endTrackEvent };
extensionMidi.AddNamedTrackCopy(trackName, events);
MidiAssert.Equal(manualMidi, extensionMidi);
// Assert they aren't the same objects
var manualTrack = manualMidi[0];
var extensionTrack = extensionMidi[0];
for (var e = 0; e < manualTrack.Count; e++)
{
Assert.That(extensionTrack[e], Is.Not.SameAs(manualTrack[e]));
}
// Verify the NoteOnEvent.OffEvent link
Assert.AreEqual(extensionMidi[0][2], ((NoteOnEvent)extensionMidi[0][1]).OffEvent);
}
private void OnTimerTick(object sender, EventArgs e) //once over 10ms after play is clicked
{
try
{
timePassed += m_timeInterval; //count up the time
DrawTimeIndicatorCanvas(); //redraw the time indicator line
pointInTime = (timePassed * xScale);
if (timePassed == NoteOnList[listCount].AbsoluteTime)
{
noteOn = new NoteOnEvent(NoteOnList[listCount].AbsoluteTime, NoteOnList[listCount].Channel, NoteOnList[listCount].NoteNumber, NoteOnList[listCount].Velocity, NoteOnList[listCount].NoteLength);
PlayNote(noteOn.NoteNumber, noteOn.NoteLength);
// pointInTime = (noteOn.AbsoluteTime * xScale) + 168 ;
// (double)startTime * xScale)
listCount++;
}
}
catch (ArgumentOutOfRangeException)
{
listCount = 0;
}
catch (NullReferenceException)
{
m_timer.Stop();
outputDevice.Close();
}
}
GameObject UpdateNewPlatformPositionAndScale(GameObject platform, NoteOnEvent note)
{
platform.transform.localScale = new Vector3(note.NoteLength * (note.NoteLength < 50 ? 0.3f : 0.03f), platform.transform.localScale.y);
// Check if it is not too far in Y, then X
if (Math.Abs(platform.transform.position.y - lastPosition.y) > MaxJumpYGain)
{
platform.transform.position = new Vector3(platform.transform.position.x,
lastPosition.y + (lastPosition.y > platform.transform.position.y ? -MaxJumpYGain : MaxJumpYGain));
}
if (Math.Abs(platform.transform.position.x - lastPosition.x) > MaxJumpXGain)
{
platform.transform.position = new Vector3(lastPosition.x + MaxJumpXGain, platform.transform.position.y);
}
// Adapt material according to note
var comp = platform.gameObject.GetComponentInChildren <MeshRenderer>();
comp.material = GetMaterialOfNote(note.NoteName);
comp.material.shader.name = "UI/Default";
platform.GetComponent <PlatformEffect>().Tag = "PP" + note.NoteNumber;
return(platform);
}
public void TestAddNamedTrack()
{
var manualMidi = new MidiEventCollection(1, 200);
var noteEvent = new NoteOnEvent(0, 1, 1, 1, 1);
const string trackName = "name";
var trackNameEvent = new TextEvent(trackName, MetaEventType.SequenceTrackName, 0);
var endTrackEvent = new MetaEvent(MetaEventType.EndTrack, 0, noteEvent.OffEvent.AbsoluteTime);
var track = manualMidi.AddTrack();
track.Add(trackNameEvent);
track.Add(noteEvent);
track.Add(noteEvent.OffEvent);
track.Add(endTrackEvent);
var extensionMidi = new MidiEventCollection(1, 200);
var events = new MidiEvent[] { noteEvent, noteEvent.OffEvent };
extensionMidi.AddNamedTrack(trackName, events);
MidiAssert.Equal(manualMidi, extensionMidi);
// Assert events (not name / end) are the same objects
var manualTrack = manualMidi[0];
var extensionTrack = extensionMidi[0];
for (var e = 1; e < manualTrack.Count - 1; e++)
{
Assert.That(extensionTrack[e], Is.SameAs(manualTrack[e]));
}
}
public void TestAddTrackCopyParams()
{
var manualMidi = new MidiEventCollection(1, 200);
var noteEvent = new NoteOnEvent(0, 1, 1, 1, 1);
var track = manualMidi.AddTrack();
track.Add(noteEvent);
track.Add(noteEvent.OffEvent);
var extensionMidi = new MidiEventCollection(1, 200);
extensionMidi.AddTrackCopy(noteEvent, noteEvent.OffEvent);
MidiAssert.Equal(manualMidi, extensionMidi);
// Assert they aren't the same objects
var manualTrack = manualMidi[0];
var extensionTrack = extensionMidi[0];
for (var e = 0; e < manualTrack.Count; e++)
{
Assert.That(extensionTrack[e], Is.Not.SameAs(manualTrack[e]));
}
// Verify the NoteOnEvent.OffEvent link
Assert.AreEqual(extensionMidi[0][1], ((NoteOnEvent)extensionMidi[0][0]).OffEvent);
}
public void AddDefaultDifficultyEventsDrums(MidiEventCollection midi)
{
var track = midi.GetTrackByName(TrackName.Drums.ToString());
var notes = track.OfType <NoteOnEvent>().ToList();
var expert = new Range <int>("Expert", 96, 100);
var hard = new Range <int>("Hard", 84, 88);
var medium = new Range <int>("Medium", 72, 76);
var easy = new Range <int>("Easy", 60, 64);
foreach (var range in new[] { easy, medium, hard, expert })
{
if (notes.Any(n => n.NoteNumber >= range.Start && n.NoteNumber <= range.End))
{
AddInfo($"{TrackName.Drums} already has at least one '{range.Name}' note.");
continue;
}
var note = new NoteOnEvent(ThirdBarTime(midi), 1, range.Start, DefaultVelocity, MaxDrumNoteLength(midi));
track.Add(note);
track.Add(note.OffEvent);
}
UpdateTrackEnd(track);
}
public int getOctaveEstimate()
{
// Midi musicnote numbers go from #21 to #108
int noteNumberSum = 0;
int noteCount = 0;
for (int track = 0; track < m_data.Tracks; track++)
{
foreach (MidiEvent e in m_data[track])
{
TimeSignatureEvent t;
if (e.CommandCode == MidiCommandCode.NoteOn)
{
NoteOnEvent n = (NoteOnEvent)e;
if (n.OffEvent != null)
{
++noteCount;
noteNumberSum += n.NoteNumber;
// It is an event!
}
}
}
}
int avgNoteVal = (int)(noteNumberSum / noteCount);
return(avgNoteVal % 7);
}
public void StopPlaying()
{
if (PlayingNote != null)
{
_midiOut.Send(PlayingNote.OffEvent.GetAsShortMessage());
PlayingNote = null;
}
}
public void TestAddTrackCopyDuplicateEvents()
{
var noteEvent = new NoteOnEvent(0, 1, 1, 1, 1);
var extensionMidi = new MidiEventCollection(1, 200);
var events = new MidiEvent[] { noteEvent, noteEvent.OffEvent, noteEvent, noteEvent.OffEvent };
Assert.Throws <ArgumentException>(() => extensionMidi.AddTrackCopy(events));
}
private void AddNoteEvent(int noteNumber)
{
int channel = 2;
var noteOnEvent = new NoteOnEvent(0, channel, noteNumber, 100, 50);
events.Add(noteOnEvent);
events.Add(noteOnEvent.OffEvent);
}
public void GetNoteId_NoteEvent_Null()
{
NoteOnEvent noteEvent = null;
Assert.Throws <ArgumentNullException>(
() => NoteIdUtilities.GetNoteId(noteEvent),
"The method did not throw a NullReferenceException when passed a null reference.");
}
private void MidiPushButtonLearnCallback(object sender, MidiInMessageEventArgs e)
{
NoteOnEvent evento = (NoteOnEvent)e.MidiEvent;
_pushButtonMidiNote = evento.NoteNumber;
GlobalStaticContext.RegisterPadWithMidiNote(this, _pushButtonMidiNote);
GlobalStaticContext.ExitLearnMode();
}
public void PlayNewNote(int note, int velocity)
{
var nextNote = new NoteOnEvent(0, _channel, note, velocity, 0);
StopPlaying();
_midiOut.Send(nextNote.GetAsShortMessage());
PlayingNote = nextNote;
}
/// <returns>Was the step successful? (false if e.g. startTime == endTIme)</returns>
public bool StepMIDI(double startTime, double endTime) //Fire all events between prevTime and time.
{
//Convert times to absolute:
startTime = GetTimeInTicks(startTime);
endTime = GetTimeInTicks(endTime);
if (startTime == endTime)
{
return(false); //Ignore if start and end time are equal.
}
if (logTrack != -1)
{
Debug.Log("Stepping MIDI from " + startTime + " to " + endTime + "...");
}
for (int t = 0; t < MIDIEvents.Length; t++) //for every track...
{
for (int i = lastEventCache[t] + 1; i < trackLengthsCache[t]; i++) //for every event...
{
ITimedObject e = MIDIEvents[t][i];
if (e.Time < startTime) //Event has already played. Skip to next one.
{
if (t == logTrack)
{
Debug.Log("Read expired event on track " + t + " between times " + startTime + " and " + endTime + ". Event time is " + e.Time);
}
lastEventCache[t] = i;
continue;
}
if (e.Time >= endTime) //Event is too far in the future. Abort loop.
{
if (t == logTrack)
{
Debug.Log("Read future event on track " + t + " between times " + startTime + " and " + endTime + ". Event time is " + e.Time);
}
//Don't set last event cache - we want to revisit this event in the future.
break;
}
//Else, event is within the timestep.
if (e is TimedEvent && ((TimedEvent)e).Event is NoteOnEvent) //NoteOn without Note Off - convert it to a short note because Reaper f****d shit up.
{
NoteOnEvent noteOn = ((TimedEvent)e).Event as NoteOnEvent;
Note newNote = new Note(noteOn.NoteNumber, midi.TimeDivision.ToInt16() / 4, e.Time);
newNote.Velocity = noteOn.Velocity;
e = newNote;
}
if (e is Note) //If it is a Note...
{
if (t == logTrack)
{
Debug.Log("Read new note on track " + t + " between times " + startTime + " and " + endTime + ". Event time is " + e.Time);
}
OnMIDINoteDown(t, e as Note); //Fire OnMIDINoteDown event.
lastEventCache[t] = i;
}
}
}
return(true);
}
protected override MidiEvent CloneEvent()
{
var non = new NoteOnEvent(base.NoteNumber, base.Velocity)
{
Channel = base.Channel
};
return(new TaggedNoteOnEvent(non));
}
/// <summary>
/// Creates a MidiEvent from a raw message received using
/// the MME MIDI In APIs
/// </summary>
/// <param name="rawMessage">The short MIDI message</param>
/// <returns>A new MIDI Event</returns>
public static MidiEvent FromRawMessage(int rawMessage)
{
long absoluteTime = 0;
int b = rawMessage & 0xFF;
int data1 = (rawMessage >> 8) & 0xFF;
int data2 = (rawMessage >> 16) & 0xFF;
MidiCommandCode commandCode;
int channel = 1;
if ((b & 0xF0) == 0xF0)
{
// both bytes are used for command code in this case
commandCode = (MidiCommandCode)b;
}
else
{
commandCode = (MidiCommandCode)(b & 0xF0);
channel = (b & 0x0F) + 1;
}
MidiEvent me;
switch (commandCode)
{
case MidiCommandCode.NoteOn:
case MidiCommandCode.NoteOff:
case MidiCommandCode.KeyAfterTouch:
if (data2 > 0 && commandCode == MidiCommandCode.NoteOn)
{
me = new NoteOnEvent(absoluteTime, channel, data1, data2, 0);
}
else
{
me = new NoteEvent(absoluteTime, channel, commandCode, data1, data2);
}
break;
case MidiCommandCode.ControlChange:
me = new ControlChangeEvent(absoluteTime,channel,(MidiController)data1,data2);
break;
case MidiCommandCode.PatchChange:
me = new PatchChangeEvent(absoluteTime,channel,data1);
break;
case MidiCommandCode.ChannelAfterTouch:
me = new ChannelAfterTouchEvent(absoluteTime,channel,data1);
break;
case MidiCommandCode.PitchWheelChange:
me = new PitchWheelChangeEvent(absoluteTime, channel, data1 + (data2 << 7));
break;
case MidiCommandCode.TimingClock:
case MidiCommandCode.StartSequence:
case MidiCommandCode.ContinueSequence:
case MidiCommandCode.StopSequence:
case MidiCommandCode.AutoSensing:
me = new MidiEvent(absoluteTime,channel,commandCode);
break;
case MidiCommandCode.MetaEvent:
case MidiCommandCode.Sysex:
default:
throw new FormatException(String.Format("Unsupported MIDI Command Code for Raw Message {0}", commandCode));
}
return me;
}
/// <summary>
/// Constructs a MidiEvent from a BinaryStream
/// </summary>
/// <param name="br">The binary stream of MIDI data</param>
/// <param name="previous">The previous MIDI event (pass null for first event)</param>
/// <returns>A new MidiEvent</returns>
public static MidiEvent ReadNextEvent(BinaryReader br, MidiEvent previous)
{
int deltaTime = MidiEvent.ReadVarInt(br);
MidiCommandCode commandCode;
int channel = 1;
byte b = br.ReadByte();
if((b & 0x80) == 0)
{
// a running command - command & channel are same as previous
commandCode = previous.CommandCode;
channel = previous.Channel;
br.BaseStream.Position--; // need to push this back
}
else
{
if((b & 0xF0) == 0xF0)
{
// both bytes are used for command code in this case
commandCode = (MidiCommandCode) b;
}
else
{
commandCode = (MidiCommandCode) (b & 0xF0);
channel = (b & 0x0F) + 1;
}
}
MidiEvent me;
switch(commandCode)
{
case MidiCommandCode.NoteOn:
me = new NoteOnEvent(br);
break;
case MidiCommandCode.NoteOff:
case MidiCommandCode.KeyAfterTouch:
me = new NoteEvent(br);
break;
case MidiCommandCode.ControlChange:
me = new ControlChangeEvent(br);
break;
case MidiCommandCode.PatchChange:
me = new PatchChangeEvent(br);
break;
case MidiCommandCode.ChannelAfterTouch:
me = new ChannelAfterTouchEvent(br);
break;
case MidiCommandCode.PitchWheelChange:
me = new PitchWheelChangeEvent(br);
break;
case MidiCommandCode.TimingClock:
case MidiCommandCode.StartSequence:
case MidiCommandCode.ContinueSequence:
case MidiCommandCode.StopSequence:
me = new MidiEvent();
break;
case MidiCommandCode.Sysex:
me = SysexEvent.ReadSysexEvent(br);
break;
case MidiCommandCode.MetaEvent:
me = MetaEvent.ReadMetaEvent(br);
break;
default:
throw new FormatException(String.Format("Unsupported MIDI Command Code {0:X2}",(byte) commandCode));
}
me.channel = channel;
me.deltaTime = deltaTime;
me.commandCode = commandCode;
return me;
}
