1 /*
2  * Copyright 2007 Sun Microsystems, Inc.  All Rights Reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
7  * published by the Free Software Foundation.  Sun designates this
8  * particular file as subject to the "Classpath" exception as provided
9  * by Sun in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22  * CA 95054 USA or visit www.sun.com if you need additional information or
23  * have any questions.
24  */
25 package com.sun.media.sound;
26 
27 /**
28  * A standard director who chooses performers
29  * by there keyfrom,keyto,velfrom,velto properties.
30  *
31  * @author Karl Helgason
32  */
33 public class ModelStandardDirector implements ModelDirector {
34 
35     ModelPerformer[] performers;
36     ModelDirectedPlayer player;
37     boolean noteOnUsed = false;
38     boolean noteOffUsed = false;
39 
ModelStandardDirector(ModelPerformer[] performers, ModelDirectedPlayer player)40     public ModelStandardDirector(ModelPerformer[] performers,
41             ModelDirectedPlayer player) {
42         this.performers = performers;
43         this.player = player;
44         for (int i = 0; i < performers.length; i++) {
45             ModelPerformer p = performers[i];
46             if (p.isReleaseTriggered()) {
47                 noteOffUsed = true;
48             } else {
49                 noteOnUsed = true;
50             }
51         }
52     }
53 
close()54     public void close() {
55     }
56 
noteOff(int noteNumber, int velocity)57     public void noteOff(int noteNumber, int velocity) {
58         if (!noteOffUsed)
59             return;
60         for (int i = 0; i < performers.length; i++) {
61             ModelPerformer p = performers[i];
62             if (p.getKeyFrom() <= noteNumber && p.getKeyTo() >= noteNumber) {
63                 if (p.getVelFrom() <= velocity && p.getVelTo() >= velocity) {
64                     if (p.isReleaseTriggered()) {
65                         player.play(i, null);
66                     }
67                 }
68             }
69         }
70     }
71 
noteOn(int noteNumber, int velocity)72     public void noteOn(int noteNumber, int velocity) {
73         if (!noteOnUsed)
74             return;
75         for (int i = 0; i < performers.length; i++) {
76             ModelPerformer p = performers[i];
77             if (p.getKeyFrom() <= noteNumber && p.getKeyTo() >= noteNumber) {
78                 if (p.getVelFrom() <= velocity && p.getVelTo() >= velocity) {
79                     if (!p.isReleaseTriggered()) {
80                         player.play(i, null);
81                     }
82                 }
83             }
84         }
85     }
86 }
87