X-Git-Url: https://ruin.nu/git/?p=moosique.git;a=blobdiff_plain;f=MooNote.java;h=d49495fcaafb3693144612b97c9d8e05c5fdb8cb;hp=edd815900705e538aafb1c68dcceb887ed4ac332;hb=c3a31c2aa833e2197f0929655c69a2090e8bbecc;hpb=1e06fcb34d222ef2017d4adf888568184dd63ab9

diff --git a/MooNote.java b/MooNote.java
index edd8159..d49495f 100644
--- a/MooNote.java
+++ b/MooNote.java
@@ -1,84 +1,164 @@
 import javax.sound.midi.*;
 
 /**
- * Functional representation of a MIDI note, which contains two MIDI events, note on and note off.
+ * Functional representation of a MIDI note, which adds functionality to the existent MidiEvent class.
+ * Also provides a reference to the corresponding NoteOff event.
  * 
- * @author  Andersson, Andreen, Lanneskog, Pehrson
- * @version 1
+ * @author  Einar Pehrson
  */
  
-public class MooNote {
+public class MooNote extends MidiEvent {
 
-	private MidiEvent noteOn, noteOff;
+	protected MidiEvent noteOffEvent;
+	protected ShortMessage noteOnMsg, noteOffMsg;
 
 	/** 
-	 * Creates a MooNote of the given pitch, velocity and length in the current track.
+	 * Creates a MooNote from the given NoteOn event in the current track.
+	 * @param noteOnEvent	the NoteOn event of the note
 	 */
-	public MooNote (int pitch, int velocity, int length) {
+	public MooNote (MidiEvent noteOnEvent) {
+		super(noteOnEvent.getMessage(), noteOnEvent.getTick());
+		noteOnMsg = (ShortMessage)getMessage();
+	}
+
+	/** 
+	 * Creates a MooNote from the given NoteOn event in the current track and creates a reference to
+	 * the corresponding NoteOff event.
+	 * @param noteOnEvent	the NoteOn event of the note
+	 * @param noteOffEvent	the NoteOff event of the note
+	 */
+	public MooNote (MidiEvent noteOnEvent, MidiEvent noteOffEvent) {
+		super(noteOnEvent.getMessage(), noteOnEvent.getTick());
+		this.noteOffEvent = noteOffEvent;
+		noteOnMsg = (ShortMessage)getMessage();
+		noteOffMsg = (ShortMessage)noteOffEvent.getMessage();
+	}
 
+	/** 
+	 * Creates a MooNote of the given pitch, velocity and duration in the current track.
+	 * @param channel	the channel of the note (1-16)
+	 * @param pitch		the pitch of the note (0-127)
+	 * @param velocity	the velocity of the note (0-127)
+	 * @param timestamp	the timestamp of the note in ticks (96 per beat)
+	 * @param duration	the duration of the note in ticks (96 per beat)
+	 */
+	public MooNote (int channel, int pitch, int velocity, long timestamp, int duration) {
+		super(new ShortMessage(), timestamp);
+		noteOffEvent = new MidiEvent(new ShortMessage(), timestamp + duration);
+		noteOnMsg = (ShortMessage)getMessage();
+		noteOffMsg = (ShortMessage)noteOffEvent.getMessage();
+		try {
+			noteOnMsg.setMessage(ShortMessage.NOTE_ON, channel, pitch, velocity);
+			noteOffMsg.setMessage(ShortMessage.NOTE_OFF, channel, pitch, 0);
+		} catch (InvalidMidiDataException e) {}
+	}
+
+	/** 
+	 * Sets the channel of the current note.
+	 * @param channel	the channel of the note (1-16)
+	 */
+	public void setChannel(int channel) {
+		try {
+			noteOnMsg.setMessage(noteOnMsg.getCommand(), (byte)channel, noteOnMsg.getData1(), noteOnMsg.getData2());
+			if(hasNoteOffEvent()) noteOffMsg.setMessage(noteOffMsg.getCommand(), (byte)channel, noteOffMsg.getData1(), noteOffMsg.getData2());
+		} catch (InvalidMidiDataException e) {}
 	}
 
 	/** 
 	 * Sets the pitch of the current note.
-	 + @param pitch		the pitch of the note (0-127)
+	 * @param pitch		the pitch of the note (0-127)
 	 */
 	public void setPitch(int pitch) {
-	
+		try {
+			noteOnMsg.setMessage(noteOnMsg.getCommand(), noteOnMsg.getChannel(), (byte)pitch, noteOnMsg.getData2());
+			if(hasNoteOffEvent()) noteOffMsg.setMessage(noteOffMsg.getCommand(), noteOffMsg.getChannel(), (byte)pitch, noteOffMsg.getData2());
+		} catch (InvalidMidiDataException e) {}
 	}
 
 	/** 
 	 * Sets the velocity of the current note.
-	 + @param vel	the velocity of the note (0-127)
+	 * @param vel	the velocity of the note (0-127)
 	 */
 	public void setVelocity(int vel) {
-	
+		try {
+			noteOnMsg.setMessage(noteOnMsg.getCommand(), noteOnMsg.getChannel(), noteOnMsg.getData1(), (byte)vel);
+			if(hasNoteOffEvent()) noteOffMsg.setMessage(noteOffMsg.getCommand(), noteOffMsg.getChannel(), noteOffMsg.getData1(), noteOffMsg.getData2());
+		} catch (InvalidMidiDataException e) {}
 	}
 
 	/** 
-	 * Sets the length of the current note (or rather moves the note off event).
-	 + @param n	the length of the note in ticks (100 per beat)
+	 * Sets the duration of the current note (or rather moves the note off event).
+	 * @param n	the duration of the note in ticks (96 per beat)
 	 */
-	public void setLength(int ticks) {
-	
+	public void setDuration(int ticks) {
+		if (hasNoteOffEvent()) noteOffEvent.setTick(getTick() + ticks);
 	}
 
 	/** 
-	 * Returns the note on event of the current note.
-	 * @return	the note on MidiEvent
+	 * Sets the timestamp of the current note.
+	 * @param tick	the timestamp of the note in ticks (96 per beat)
 	 */
-	public MidiEvent getNoteOnEvent() {
-	
+	public void setTick(long tick) {
+		if (hasNoteOffEvent()) noteOffEvent.setTick(tick +  getDuration());
+		super.setTick(tick);
 	}
 
 	/** 
-	 * Returns the note off event of the current note.
-	 * @return	the note off MidiEvent
+	 * Returns the channel of the current note.
+	 * @return the channel of the note (1-16)
 	 */
-	public MidiEvent getNoteOffEvent() {
-	
+	public int getChannel() {
+		return noteOnMsg.getChannel();
 	}
 
 	/** 
 	 * Returns the pitch of the current note.
-	 * @return the pitch of the note
+	 * @return the pitch of the note (0-127)
 	 */
 	public int getPitch() {
-	
+		return noteOnMsg.getData1();
 	}
 
 	/** 
 	 * Returns the velocity of the current note.
-	 * @return the velocity of the note
+	 * @return the velocity of the note (0-127)
 	 */
 	public int getVelocity() {
-	
+		return noteOnMsg.getData2();
+	}
+
+	/** 
+	 * Returns the duration of the current note.
+	 * @return the duration of the note (in ticks)
+	 */
+	public int getDuration() {
+		if (!hasNoteOffEvent()) return 0;
+		return (int)(noteOffEvent.getTick() - getTick());
 	}
 
 	/** 
-	 * Returns the length of the current note.
-	 * @return the length of the note
+	 * Returns whether the NoteOff event was found.
+	 * @return	the note off MidiEvent
 	 */
-	public int getLength() {
+	public boolean hasNoteOffEvent() {
+		return noteOffEvent != null;
+	}
+
+	/**
+	 * Adds this note (both noteOn and noteOffEvents) to a track.
+	 * @param track the track it'll be added to.
+	 */
+	public void addTo(Track track){
+		track.add(this);
+		if (hasNoteOffEvent()) track.add(noteOffEvent);
+	}
 	
+	/**
+	 * Removes this note (both noteOn and noteOffEvents) from a track.
+	 * @param track the track it'll be removed from.
+	 */
+	public void removeFrom(Track track){
+		track.remove(this);
+		if (hasNoteOffEvent()) track.remove(noteOffEvent);
 	}
 }