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13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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15  * accompanied this code).
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24  */
25 
26 package com.sun.media.sound;
27 
28 import java.util.Arrays;
29 
30 /**
31  * A standard director who chooses performers
32  * by there keyfrom,keyto,velfrom,velto properties.
33  *
34  * @author Karl Helgason
35  */
36 public final class ModelStandardDirector implements ModelDirector {
37 
38     private final ModelPerformer[] performers;
39     private final ModelDirectedPlayer player;
40     private boolean noteOnUsed = false;
41     private boolean noteOffUsed = false;
42 
ModelStandardDirector(final ModelPerformer[] performers, final ModelDirectedPlayer player)43     public ModelStandardDirector(final ModelPerformer[] performers,
44                                  final ModelDirectedPlayer player) {
45         this.performers = Arrays.copyOf(performers, performers.length);
46         this.player = player;
47         for (final ModelPerformer p : this.performers) {
48             if (p.isReleaseTriggered()) {
49                 noteOffUsed = true;
50             } else {
51                 noteOnUsed = true;
52             }
53         }
54     }
55 
56     @Override
close()57     public void close() {
58     }
59 
60     @Override
noteOff(int noteNumber, int velocity)61     public void noteOff(int noteNumber, int velocity) {
62         if (!noteOffUsed)
63             return;
64         for (int i = 0; i < performers.length; i++) {
65             ModelPerformer p = performers[i];
66             if (p.getKeyFrom() <= noteNumber && p.getKeyTo() >= noteNumber) {
67                 if (p.getVelFrom() <= velocity && p.getVelTo() >= velocity) {
68                     if (p.isReleaseTriggered()) {
69                         player.play(i, null);
70                     }
71                 }
72             }
73         }
74     }
75 
76     @Override
noteOn(int noteNumber, int velocity)77     public void noteOn(int noteNumber, int velocity) {
78         if (!noteOnUsed)
79             return;
80         for (int i = 0; i < performers.length; i++) {
81             ModelPerformer p = performers[i];
82             if (p.getKeyFrom() <= noteNumber && p.getKeyTo() >= noteNumber) {
83                 if (p.getVelFrom() <= velocity && p.getVelTo() >= velocity) {
84                     if (!p.isReleaseTriggered()) {
85                         player.play(i, null);
86                     }
87                 }
88             }
89         }
90     }
91 }
92