/*

 * Copyright (c) 2007, 2013, Oracle and/or its affiliates. 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.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

package com.sun.media.sound;

import java.util.Arrays;

/**

 * A standard director who chooses performers

 * by there keyfrom,keyto,velfrom,velto properties.

 *

 * @author Karl Helgason

 */

public final class ModelStandardDirector implements ModelDirector {

    private final ModelPerformer[] performers;

    private final ModelDirectedPlayer player;

    private boolean noteOnUsed = false;

    private boolean noteOffUsed = false;

    public ModelStandardDirector(final ModelPerformer[] performers,

                                 final ModelDirectedPlayer player) {

        this.performers = Arrays.copyOf(performers, performers.length);

        this.player = player;

        for (final ModelPerformer p : this.performers) {

            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);

                    }

                }

            }

        }

    }

}