import jm.JMC;
import jm.music.data.*;
import jm.midi.*;
import jm.util.*;

/**
* A skeleton for your own class of library routines to reuse
* @author Andrew R. Brown
*/

public final class MyLibrary implements JMC{

	
	//This method produces one bar of alternating kick and snare
	public static Phrase basicDrums() {
		Phrase drumPhrase = new Phrase();
		for(int i=0; i<2;i++) {
			Note n = new Note(36, QUAVER);
			drumPhrase.addNote(n);
			n = new Note(42, QUAVER);
			drumPhrase.addNote(n);
			n = new Note(38, QUAVER);
			drumPhrase.addNote(n);
			n = new Note(42, QUAVER);
			drumPhrase.addNote(n);
		}
		return drumPhrase;
	}
	
	// This method returns a major triad crotchet
	public static CPhrase majorChord(int root) {
		CPhrase chordPhrase = new CPhrase();
		int[] chordPitches = new int[3];
		chordPitches[0] = root;
		chordPitches[1] = root+4;
		chordPitches[2] = root+7;
		
		chordPhrase.addChord(chordPitches, QUAVER);
		chordPhrase.addChord(chordPitches, CROTCHET);
		chordPhrase.addChord(chordPitches, CROTCHET);
		chordPhrase.addChord(chordPitches, QUAVER);
		chordPhrase.addChord(chordPitches, CROTCHET);
		return chordPhrase;
	}
	
	// This method returns a one bar bass walk
	public static Phrase bassPhrase(int root) {
		Phrase bassPhrase = new Phrase();
		Note n = new Note(root,C);
		bassPhrase.addNote(n);
		n = new Note(root+4,C);
		bassPhrase.addNote(n);
		n = new Note(root+7,C);
		bassPhrase.addNote(n);
		n = new Note(root+9,C);
		bassPhrase.addNote(n);
		
		return bassPhrase;
	}
}