/// <summary>
/// Read the list of midi events available in the Midi from a ticks position to an end position.
/// </summary>
/// <param name="fromTicks">ticks start</param>
/// <param name="toTicks">ticks end</param>
/// <returns></returns>
public List <MPTKEvent> MPTK_ReadMidiEvents(long fromTicks = 0, long toTicks = long.MaxValue)
{
if (miditoload == null)
{
NoMidiLoaded("MPTK_ReadMidiEvents");
return(null);
}
miditoload.LogEvents = MPTK_LogEvents;
miditoload.KeepNoteOff = MPTK_KeepNoteOff;
return(miditoload.MPTK_ReadMidiEvents(fromTicks, toTicks));
}
/// <summary>
/// It's an optional action before playing a midi file witk MPTK_Play.
/// Useful to get information (duration, ...) before playing the Midi.
/// </summary>
private void GetMidiInfo()
{
MidiLoad midiloaded = midiFilePlayer.MPTK_Load();
if (midiloaded != null)
{
infoMidi = "Duration: " + midiloaded.MPTK_Duration.TotalSeconds + " seconds\n";
infoMidi += "Tempo: " + midiloaded.MPTK_InitialTempo + "\n";
List <MPTKEvent> listEvents = midiloaded.MPTK_ReadMidiEvents();
infoMidi += "Count Midi Events: " + listEvents.Count + "\n";
Debug.Log(infoMidi);
}
}
/// <summary>
/// It's an optional action before playing a midi file witk MPTK_Play.
/// Useful to get information (duration, ...) before playing the Midi.
/// </summary>
private void GetMidiInfo()
{
MidiLoad midiloaded = midiFilePlayer.MPTK_Load();
if (midiloaded != null)
{
infoMidi = string.Format("Duration : {0}\n", midiloaded.MPTK_Duration);
infoMidi += string.Format("Real Duration: {0}\n", midiloaded.MPTK_RealDuration);
infoMidi += "Tempo: " + Mathf.RoundToInt((float)midiloaded.MPTK_InitialTempo) + "\n";
List <MPTKEvent> listEvents = midiloaded.MPTK_ReadMidiEvents();
infoMidi += "Count Midi Events: " + listEvents.Count + "\n";
//Debug.Log(infoMidi);
}
}
void OnGUI()
{
if (!HelperDemo.CheckSFExists())
{
return;
}
// Set custom Style. Good for background color 3E619800
if (myStyle == null)
{
myStyle = new CustomStyle();
}
if (butCentered == null)
{
butCentered = new GUIStyle("Button");
butCentered.alignment = TextAnchor.MiddleCenter;
butCentered.fontSize = 16;
}
if (labCentered == null)
{
labCentered = new GUIStyle("Label");
labCentered.alignment = TextAnchor.MiddleCenter;
labCentered.fontSize = 16;
}
if (MidiLoaded != null)
{
scrollerWindow = GUILayout.BeginScrollView(scrollerWindow, false, false, GUILayout.Width(Screen.width));
// Display popup in first to avoid activate other layout behind
PopMidi.Draw(MidiPlayerGlobal.MPTK_ListMidi, MidiIndex, myStyle);
MainMenu.Display("Test Midi File Loader - Demonstrate how to use the MPTK API to load a Midi file", myStyle);
//
// Left column: Midi action and info
// ---------------------------------
GUILayout.BeginHorizontal();
GUILayout.BeginVertical(myStyle.BacgDemos, GUILayout.Width(450));
GUILayout.BeginHorizontal();
// Open the popup to select a midi
if (GUILayout.Button("Select And Load Midi File", GUILayout.Height(40)))
{
PopMidi.Show = !PopMidi.Show;
}
PopMidi.Position(ref scrollerWindow);
if (GUILayout.Button(new GUIContent("Read Events", ""), GUILayout.Height(40)))
{
infoEvents = new List <string>();
List <MPTKEvent> events = MidiLoaded.MPTK_ReadMidiEvents(StartTicks, EndTicks);
foreach (MPTKEvent evt in events)
{
switch (evt.Command)
{
case MPTKCommand.NoteOn:
infoEvents.Add(string.Format("NoteOn\tChannel:{0:00} \tTick:{1}\tNote:{2}\tDuration:{3,2}\tVelocity:{4}\n",
evt.Channel, evt.Tick, evt.Value, Math.Round(evt.Duration, 2), evt.Velocity));
break;
case MPTKCommand.NoteOff:
infoEvents.Add(string.Format("NoteOff\tChannel:{0:00} \tTick:{1}\tNote:{2}\tDuration:{3,2}\tVelocity:{4}\n",
evt.Channel, evt.Tick, evt.Value, Math.Round(evt.Duration, 2), evt.Velocity));
break;
case MPTKCommand.PatchChange:
infoEvents.Add(string.Format("Patch\tChannel:{0:00} \tTick:{1}\tPatch:{2}\n",
evt.Channel, evt.Tick, evt.Value));
break;
case MPTKCommand.ControlChange:
infoEvents.Add(string.Format("Control\tChannel:{0:00} \tTick:{1}\tValue:{2}\tControler:{3}\n",
evt.Channel, evt.Tick, evt.Value, evt.Controller));
break;
case MPTKCommand.MetaEvent:
if (!string.IsNullOrEmpty(evt.Info))
{
infoEvents.Add(string.Format("Text\tChannel:{0:00} \tTick:{1}\tValue:{2}\n",
evt.Channel, evt.Tick, evt.Info));
}
break;
}
}
}
GUILayout.EndHorizontal();
string midiname = "no midi defined";
if (MidiIndex >= 0 && MidiPlayerGlobal.MPTK_ListMidi != null && MidiIndex < MidiPlayerGlobal.MPTK_ListMidi.Count)
{
midiname = MidiPlayerGlobal.MPTK_ListMidi[MidiIndex].Label;
}
GUILayout.Label("Current Midi file: " + midiname, myStyle.TitleLabel3);
GUILayout.Space(10);
GUILayout.BeginHorizontal();
GUILayout.Label("Read Midi Events from: " + StartTicks, myStyle.TitleLabel3, GUILayout.Width(220));
StartTicks = (long)GUILayout.HorizontalSlider((float)StartTicks, 0f, (float)MidiLoaded.MPTK_TickLast, GUILayout.Width(buttonWidth));
GUILayout.EndHorizontal();
GUILayout.Space(10);
GUILayout.BeginHorizontal();
GUILayout.Label("Read Midi Events to: " + EndTicks, myStyle.TitleLabel3, GUILayout.Width(220));
EndTicks = (long)GUILayout.HorizontalSlider((float)EndTicks, 0f, (float)MidiLoaded.MPTK_TickLast, GUILayout.Width(buttonWidth));
GUILayout.EndHorizontal();
GUILayout.Space(10);
GUILayout.BeginHorizontal();
GUILayout.Label("Duration in seconds: ", myStyle.TitleLabel3, GUILayout.Width(220));
GUILayout.Label(MidiLoaded.MPTK_Duration.TotalSeconds.ToString(), myStyle.TitleLabel3);
GUILayout.EndHorizontal();
GUILayout.Space(10);
GUILayout.BeginHorizontal();
GUILayout.Label("Beat per Measure: ", myStyle.TitleLabel3, GUILayout.Width(220));
GUILayout.Label(MidiLoaded.MPTK_NumberBeatsMeasure.ToString());
GUILayout.EndHorizontal();
GUILayout.Space(10);
GUILayout.BeginHorizontal();
GUILayout.Label("Quarter per Beat: ", myStyle.TitleLabel3, GUILayout.Width(220));
GUILayout.Label(MidiLoaded.MPTK_NumberQuarterBeat.ToString(), myStyle.TitleLabel3);
GUILayout.EndHorizontal();
GUILayout.Space(10);
GUILayout.BeginHorizontal();
GUILayout.Label("MPTK_InitialTempo: ", myStyle.TitleLabel3, GUILayout.Width(220));
GUILayout.Label(Convert.ToInt32(MidiLoaded.MPTK_InitialTempo).ToString(), myStyle.TitleLabel3);
GUILayout.EndHorizontal();
// End left column
GUILayout.EndVertical();
if (infoEvents != null && infoEvents.Count > 0)
{
GUILayout.BeginVertical(myStyle.BacgDemos, GUILayout.Width(650));
//
// Right Column: midi infomation, lyrics, ...
// ------------------------------------------
GUILayout.BeginHorizontal(myStyle.BacgDemos);
if (GUILayout.Button("<<", butCentered, GUILayout.Height(40)))
{
PageToDisplay = 0;
}
if (GUILayout.Button("<", butCentered, GUILayout.Height(40)))
{
PageToDisplay--;
}
GUILayout.Label("page " + (PageToDisplay + 1).ToString() + " / " + (infoEvents.Count / MAXLINEPAGE + 1).ToString(), labCentered, GUILayout.Width(150), GUILayout.Height(40));
if (GUILayout.Button(">", butCentered, GUILayout.Height(40)))
{
PageToDisplay++;
}
if (GUILayout.Button(">>", butCentered, GUILayout.Height(40)))
{
PageToDisplay = infoEvents.Count / MAXLINEPAGE;
}
GUILayout.EndHorizontal();
if (PageToDisplay < 0)
{
PageToDisplay = 0;
}
if (PageToDisplay * MAXLINEPAGE > infoEvents.Count)
{
PageToDisplay = infoEvents.Count / MAXLINEPAGE;
}
string infoToDisplay = "";
for (int i = PageToDisplay * MAXLINEPAGE; i < (PageToDisplay + 1) * MAXLINEPAGE; i++)
{
if (i < infoEvents.Count)
{
infoToDisplay += infoEvents[i];
}
}
GUILayout.BeginHorizontal();
scrollPos = GUILayout.BeginScrollView(scrollPos, false, false);//, GUILayout.Height(heightLyrics));
GUILayout.Label(infoToDisplay, myStyle.TextFieldMultiLine);
GUILayout.EndScrollView();
GUILayout.EndVertical();
}
GUILayout.EndHorizontal();
GUILayout.EndScrollView();
}
}
