/*
  * Copyright 2007 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Sun designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Sun in the LICENSE file that accompanied this code.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  * CA 95054 USA or visit www.sun.com if you need additional information or
  * have any questions.
  */ 

package com.sun.media.sound;

/**
 * 
 * A standard director who chooses performers
 * by there keyfrom,keyto,velfrom,velto properties.
 * 
 * @version %I%, %E%
 * @author Karl Helgason
 */ 

public class ModelStandardDirector implements ModelDirector {

	ModelPerformer[] performers;
	ModelDirectedPlayer player;
	boolean noteOnUsed = false;
	boolean noteOffUsed = false;
	
	public ModelStandardDirector(ModelPerformer[] performers, ModelDirectedPlayer player)
	{
		this.performers = performers;
		this.player = player;
		for (int i = 0; i < performers.length; i++) {
			ModelPerformer p = performers[i];
			if(p.isReleaseTriggered())
			{
				noteOffUsed = true;
			}
			else
			{
				noteOnUsed = true;
			}
		}
	}

	public void close() {
	}

	public void noteOff(int noteNumber, int velocity) {
		if(!noteOffUsed) return;
		for (int i = 0; i < performers.length; i++) {
			ModelPerformer p = performers[i];
			if (p.getKeyFrom() <= noteNumber && p.getKeyTo() >= noteNumber)
				if (p.getVelFrom() <= velocity && p.getVelTo() >= velocity)
					if(p.isReleaseTriggered()){					
						player.play(i, null);
					}
		}			
	}

	public void noteOn(int noteNumber, int velocity) {
		if(!noteOnUsed) return;
		for (int i = 0; i < performers.length; i++) {
			ModelPerformer p = performers[i];
			if (p.getKeyFrom() <= noteNumber && p.getKeyTo() >= noteNumber)
				if (p.getVelFrom() <= velocity && p.getVelTo() >= velocity) 					
					if(!p.isReleaseTriggered()){					
						player.play(i, null);
					}
		}		
	}
	
}