public void HandleChannelMessageKeys(int chnl, int NoteID, int Velocity, bool NoteOn = true)
{
//
// Keyboard Key Pressed Channel Messages
//
if (NoteID < MinNote || NoteID > MaxNote)
{
return;
}
NoteMsg.SetText(NoteID.ToString()); //display note value
Entity CurrentKey; //get the key entity
CurrentKey = this.FindEntity("pkey" + NoteID.ToString());
if (CurrentKey == null)
{
return;
}
SpriteRenderer sp = CurrentKey.GetComponent <SpriteRenderer>();
//sp.renderLayer = -8; //same render layer for black or white key
if (NoteOn)
{
outDevice.Send(new ChannelMessage(ChannelCommand.NoteOn, 0, NoteID, Velocity));
sp.Color = Color.Blue; //current key turned blue
}
else
{
outDevice.Send(new ChannelMessage(ChannelCommand.NoteOff, 0, NoteID, Velocity));
sp.Color = Color.Yellow; //current key turned white
}
}
public override void Initialize()
{
base.Initialize();
font = new NezSpriteFont(Content.Load <SpriteFont>("Arial"));
//
// MIDI sequencer must have processes
//
sequencer1 = new Sanford.Multimedia.Midi.Sequencer();
sequencer1.clock.Tick += onTick;
this.sequencer1.PlayingCompleted += new System.EventHandler(this.HandlePlayingCompleted);
this.sequencer1.ChannelMessagePlayed += new System.EventHandler <Sanford.Multimedia.Midi.ChannelMessageEventArgs>(this.HandleChannelMessagePlayed);
this.sequencer1.SysExMessagePlayed += new System.EventHandler <Sanford.Multimedia.Midi.SysExMessageEventArgs>(this.HandleSysExMessagePlayed);
this.sequencer1.Chased += new System.EventHandler <Sanford.Multimedia.Midi.ChasedEventArgs>(this.HandleChased);
this.sequencer1.Stopped += new System.EventHandler <Sanford.Multimedia.Midi.StoppedEventArgs>(this.HandleStopped);
//
// Default output device (usually 0)
//
outDevice = new OutputDevice(outDeviceID);
//DialogBar db = new DialogBar(-1);
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// mouse entity (used for tracking of clicks)
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MouseCursor = CreateEntity("mouse");
MouseCursor.AddComponent(new BoxCollider());
MouseCursor.AddComponent(new MouseComponent());
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// keyboard entity (playing piano manually)
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MouseCursor = CreateEntity("keyboard");
MouseCursor.AddComponent(new KeyComponent());
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// Text entity with component (Game name label)
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TextEntity = CreateEntity("txt");
TextEntity.Transform.Position = new Vector2(10, 20);
TextEntity.Transform.Scale = new Vector2(1, 1);
txt = new TextComponent(Graphics.Instance.BitmapFont, "MIDI Player", new Vector2(0, 0), Color.White);
txt.SetFont(font);
TextEntity.AddComponent(txt);
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// Background, with high value render layer
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Background = CreateEntity("background", new Vector2(0, 0));
Background.Tag = 90;
//SpriteRenderer comp = new SpriteRenderer(Content.Load<Texture2D>("Background")).SetRenderLayer(99);
Background.AddComponent(new SpriteRenderer(Content.Load <Texture2D>("Slider/BackgroundMetal")).SetRenderLayer(99));
Background.GetComponent <SpriteRenderer>().SetOrigin(new Vector2(0, 0));
Background.SetPosition(new Vector2(310, 15));
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// Canvas
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//
int StartX = 10;
Entity uiCan = CreateEntity("ui");
canvas = uiCan.AddComponent(new UICanvas());
canvas.IsFullScreen = true;
canvas.RenderLayer = -10;//= SCREEN_SPACE_RENDER_LAYER;
//
// Display for track number
//
TrackMsg = canvas.Stage.AddElement(new Nez.UI.Label("All Tracks"));
TrackMsg.SetPosition(320, 310);
TrackMsg.SetSize(100f, 50f);
//
// Display for channel number
//
ChnlMsg = canvas.Stage.AddElement(new Nez.UI.Label("All Channels"));
ChnlMsg.SetPosition(320, 330);
ChnlMsg.SetSize(100f, 50f);
AllChannels = -1;
//
// Display for instrument name
//
InstrumentMsg = canvas.Stage.AddElement(new Nez.UI.Label("All Channels"));
InstrumentMsg.SetPosition(320, 350);
InstrumentMsg.SetSize(100f, 50f);
//
// Dispaly for note number being played
//
NoteMsg = canvas.Stage.AddElement(new Nez.UI.Label("Piano note played"));
NoteMsg.SetPosition(320, 370);
NoteMsg.SetSize(100f, 50f);
//
// Track buttons and channels
//
for (int i = 0; i < 16; i++)
{
TrackChanl[i] = -1;
TracksInMidi[i] = false; //is track number active in MIDI file
TracksPlaying[i] = false; //individual tracks playing (buttons)
ChannelsPlaying[i] = true; //they all are playing
}
//
// turn off all buttons
//
//SetTrackButtonOff();
//
// Progress bar
//
PgBar = canvas.Stage.AddElement(new Nez.UI.ProgressBar(0, 1000, 1, false, Nez.UI.ProgressBarStyle.Create(Color.Green, Color.White)));
PgBar.SetPosition(10, StartPos);
//
// Play button
//
PlayImageUp = new SpriteDrawable((Content.Load <Texture2D>("Player/play_blk")));
PlayImageDn = new SpriteDrawable((Content.Load <Texture2D>("Player/play_grn")));
PlayBtn = canvas.Stage.AddElement(new ImageButton(PlayImageUp, PlayImageDn));
PlayBtn.SetPosition(StartX, StartPos + 30);
PlayBtn.OnClicked += Play;
//
// Stop button
//
StopImageUp = new SpriteDrawable((Content.Load <Texture2D>("Player/stop_blk")));
StopImageDn = new SpriteDrawable((Content.Load <Texture2D>("Player/stop_grn")));
StopBtn = canvas.Stage.AddElement(new ImageButton(StopImageUp, StopImageDn));
StopBtn.SetPosition(StartX + 71, StartPos + 30);
StopBtn.OnClicked += Stop;
//
// Load/Eject button (stop playing, look for another MIDI file)
//
LoadImageUp = new SpriteDrawable((Content.Load <Texture2D>("Player/eject_blk")));
LoadImageDn = new SpriteDrawable((Content.Load <Texture2D>("Player/eject_grn")));
LoadBtn = canvas.Stage.AddElement(new ImageButton(LoadImageUp, LoadImageDn));
LoadBtn.SetPosition(StartX + 110, StartPos + 30);
LoadBtn.OnClicked += Load;
//
//znznznznznznznznznznznznznznznznznznznznznznznznznznznznznznznznznznznznznznznznznznznzn
// Systems to process our requests
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//
this.AddEntityProcessor(new MouseClickSystem(new Matcher().All(typeof(MouseComponent))));
this.AddEntityProcessor(new KeyClickSystem(new Matcher().All(typeof(KeyComponent))));
this.AddEntityProcessor(new PianoClickSystem(new Matcher().All(typeof(NoteComponent), typeof(PlayingComponent))));
//
// Start by loading a file
//
if (!LoadMidiFile())
{
return;
}
//
// Create the Mixer image with buttons, sliders, etc
//
var Track = new TrackMixerEntity(this, new Vector2(310, 20), canvas, TracksInMidi);
//
// Create the piano keys on bottom of mixer
//
var pi00 = new PianoEntity(this, new Vector2(StartX + 245, StartPos + 420), 0);
//
// Octave 4 is the middle C (note 60), color the keys
//
HandleOctaveColor(60);
}