6502
|
1 |
/*
|
|
2 |
* Copyright (c) 2010, Oracle and/or its affiliates. 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. Oracle designates this
|
|
8 |
* particular file as subject to the "Classpath" exception as provided
|
|
9 |
* by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
22 |
* or visit www.oracle.com if you need additional information or have any
|
|
23 |
* questions.
|
|
24 |
*/
|
|
25 |
package com.sun.media.sound;
|
|
26 |
|
|
27 |
/**
|
|
28 |
* A standard indexed director who chooses performers
|
|
29 |
* by there keyfrom,keyto,velfrom,velto properties.
|
|
30 |
*
|
|
31 |
* @author Karl Helgason
|
|
32 |
*/
|
|
33 |
public class ModelStandardIndexedDirector implements ModelDirector {
|
|
34 |
|
|
35 |
ModelPerformer[] performers;
|
|
36 |
ModelDirectedPlayer player;
|
|
37 |
boolean noteOnUsed = false;
|
|
38 |
boolean noteOffUsed = false;
|
|
39 |
|
|
40 |
// Variables needed for index
|
|
41 |
byte[][] trantables;
|
|
42 |
int[] counters;
|
|
43 |
int[][] mat;
|
|
44 |
|
|
45 |
public ModelStandardIndexedDirector(ModelPerformer[] performers,
|
|
46 |
ModelDirectedPlayer player) {
|
|
47 |
this.performers = performers;
|
|
48 |
this.player = player;
|
|
49 |
for (int i = 0; i < performers.length; i++) {
|
|
50 |
ModelPerformer p = performers[i];
|
|
51 |
if (p.isReleaseTriggered()) {
|
|
52 |
noteOffUsed = true;
|
|
53 |
} else {
|
|
54 |
noteOnUsed = true;
|
|
55 |
}
|
|
56 |
}
|
|
57 |
buildindex();
|
|
58 |
}
|
|
59 |
|
|
60 |
private int[] lookupIndex(int x, int y)
|
|
61 |
{
|
|
62 |
if ((x >= 0) && (x < 128) && (y >= 0) && (y < 128)) {
|
|
63 |
int xt = trantables[0][x];
|
|
64 |
int yt = trantables[1][y];
|
|
65 |
if (xt != -1 && yt != -1) {
|
|
66 |
return mat[xt + yt * counters[0]];
|
|
67 |
}
|
|
68 |
}
|
|
69 |
return null;
|
|
70 |
}
|
|
71 |
|
|
72 |
private void buildindex() {
|
|
73 |
trantables = new byte[2][129];
|
|
74 |
counters = new int[trantables.length];
|
|
75 |
for (ModelPerformer performer : performers) {
|
|
76 |
trantables[0][performer.getKeyFrom()] = 1;
|
|
77 |
trantables[0][performer.getKeyTo() + 1] = 1;
|
|
78 |
trantables[1][performer.getVelFrom()] = 1;
|
|
79 |
trantables[1][performer.getVelTo() + 1] = 1;
|
|
80 |
}
|
|
81 |
for (int d = 0; d < trantables.length; d++) {
|
|
82 |
byte[] trantable = trantables[d];
|
|
83 |
int transize = trantable.length;
|
|
84 |
for (int i = transize - 1; i >= 0; i--) {
|
|
85 |
if (trantable[i] == 1) {
|
|
86 |
trantable[i] = -1;
|
|
87 |
break;
|
|
88 |
}
|
|
89 |
trantable[i] = -1;
|
|
90 |
}
|
|
91 |
int counter = -1;
|
|
92 |
for (int i = 0; i < transize; i++) {
|
|
93 |
if (trantable[i] != 0) {
|
|
94 |
counter++;
|
|
95 |
if (trantable[i] == -1)
|
|
96 |
break;
|
|
97 |
}
|
|
98 |
trantable[i] = (byte) counter;
|
|
99 |
}
|
|
100 |
counters[d] = counter;
|
|
101 |
}
|
|
102 |
mat = new int[counters[0] * counters[1]][];
|
|
103 |
int ix = 0;
|
|
104 |
for (ModelPerformer performer : performers) {
|
|
105 |
int x_from = trantables[0][performer.getKeyFrom()];
|
|
106 |
int x_to = trantables[0][performer.getKeyTo() + 1];
|
|
107 |
int y_from = trantables[1][performer.getVelFrom()];
|
|
108 |
int y_to = trantables[1][performer.getVelTo() + 1];
|
|
109 |
if (x_to == -1)
|
|
110 |
x_to = counters[0];
|
|
111 |
if (y_to == -1)
|
|
112 |
y_to = counters[1];
|
|
113 |
for (int y = y_from; y < y_to; y++) {
|
|
114 |
int i = x_from + y * counters[0];
|
|
115 |
for (int x = x_from; x < x_to; x++) {
|
|
116 |
int[] mprev = mat[i];
|
|
117 |
if (mprev == null) {
|
|
118 |
mat[i] = new int[] { ix };
|
|
119 |
} else {
|
|
120 |
int[] mnew = new int[mprev.length + 1];
|
|
121 |
mnew[mnew.length - 1] = ix;
|
|
122 |
for (int k = 0; k < mprev.length; k++)
|
|
123 |
mnew[k] = mprev[k];
|
|
124 |
mat[i] = mnew;
|
|
125 |
}
|
|
126 |
i++;
|
|
127 |
}
|
|
128 |
}
|
|
129 |
ix++;
|
|
130 |
}
|
|
131 |
}
|
|
132 |
|
|
133 |
public void close() {
|
|
134 |
}
|
|
135 |
|
|
136 |
public void noteOff(int noteNumber, int velocity) {
|
|
137 |
if (!noteOffUsed)
|
|
138 |
return;
|
|
139 |
int[] plist = lookupIndex(noteNumber, velocity);
|
|
140 |
if(plist == null) return;
|
|
141 |
for (int i : plist) {
|
|
142 |
ModelPerformer p = performers[i];
|
|
143 |
if (p.isReleaseTriggered()) {
|
|
144 |
player.play(i, null);
|
|
145 |
}
|
|
146 |
}
|
|
147 |
}
|
|
148 |
|
|
149 |
public void noteOn(int noteNumber, int velocity) {
|
|
150 |
if (!noteOnUsed)
|
|
151 |
return;
|
|
152 |
int[] plist = lookupIndex(noteNumber, velocity);
|
|
153 |
if(plist == null) return;
|
|
154 |
for (int i : plist) {
|
|
155 |
ModelPerformer p = performers[i];
|
|
156 |
if (!p.isReleaseTriggered()) {
|
|
157 |
player.play(i, null);
|
|
158 |
}
|
|
159 |
}
|
|
160 |
}
|
|
161 |
}
|