1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
/**
* Copyright (c) 2003-2005 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* -Redistribution of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* -Redistribution in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind.
* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
* ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
* NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN") AND ITS
* LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A
* RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
* IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT
* OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
* PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS
* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed or intended for use in the
* design, construction, operation or maintenance of any nuclear facility.
*
*/
package demos.devmaster.lesson3;
import java.nio.ByteBuffer;
import java.util.Random;
import net.java.games.joal.*;
import net.java.games.joal.util.*;
/**
* Adapted from <a href="http://www.devmaster.net/">DevMaster</a>
* <a href="http://www.devmaster.net/articles/openal-tutorials/lesson3.php">MultipleSources Tutorial</a>
* by Jesse Maurais.
*
* @author Athomas Goldberg
* @author Kenneth Russell
*/
public class MultipleSources {
static AL al;
static final int NUM_BUFFERS = 3;
static final int NUM_SOURCES = 3;
static final int BATTLE = 0;
static final int GUN1 = 1;
static final int GUN2 = 2;
static int[] buffers = new int[NUM_BUFFERS];
static int[] sources = new int[NUM_SOURCES];
static float[][] sourcePos = new float[NUM_SOURCES][3];
static float[][] sourceVel = new float[NUM_SOURCES][3];
static float[] listenerPos = { 0.0f, 0.0f, 0.0f };
static float[] listenerVel = { 0.0f, 0.0f, 0.0f };
static float[] listenerOri = { 0.0f, 0.0f, -1.0f, 0.0f, 1.0f, 0.0f };
static int loadALData() {
//variables to load into
int[] format = new int[1];
int[] size = new int[1];
ByteBuffer[] data = new ByteBuffer[1];
int[] freq = new int[1];
int[] loop = new int[1];
// load wav data into buffers
al.alGenBuffers(NUM_BUFFERS, buffers, 0);
if (al.alGetError() != AL.AL_NO_ERROR) {
return AL.AL_FALSE;
}
ALut.alutLoadWAVFile(
MultipleSources.class.getClassLoader().getResourceAsStream("demos/data/Battle.wav"),
format,
data,
size,
freq,
loop);
al.alBufferData(buffers[BATTLE],
format[0],
data[0],
size[0],
freq[0]);
ALut.alutLoadWAVFile(
MultipleSources.class.getClassLoader().getResourceAsStream("demos/data/Gun1.wav"),
format,
data,
size,
freq,
loop);
al.alBufferData(buffers[GUN1],
format[0],
data[0],
size[0],
freq[0]);
ALut.alutLoadWAVFile(
MultipleSources.class.getClassLoader().getResourceAsStream("demos/data/Gun2.wav"),
format,
data,
size,
freq,
loop);
al.alBufferData(buffers[GUN2],
format[0],
data[0],
size[0],
freq[0]);
// bind buffers into audio sources
al.alGenSources(NUM_SOURCES, sources, 0);
al.alSourcei(sources[BATTLE], AL.AL_BUFFER, buffers[BATTLE]);
al.alSourcef(sources[BATTLE], AL.AL_PITCH, 1.0f);
al.alSourcef(sources[BATTLE], AL.AL_GAIN, 1.0f);
al.alSourcefv(sources[BATTLE], AL.AL_POSITION, sourcePos[BATTLE], 0);
al.alSourcefv(sources[BATTLE], AL.AL_POSITION, sourceVel[BATTLE], 0);
al.alSourcei(sources[BATTLE], AL.AL_LOOPING, AL.AL_TRUE);
al.alSourcei(sources[GUN1], AL.AL_BUFFER, buffers[GUN1]);
al.alSourcef(sources[GUN1], AL.AL_PITCH, 1.0f);
al.alSourcef(sources[GUN1], AL.AL_GAIN, 1.0f);
al.alSourcefv(sources[GUN1], AL.AL_POSITION, sourcePos[GUN1], 0);
al.alSourcefv(sources[GUN1], AL.AL_POSITION, sourceVel[GUN1], 0);
al.alSourcei(sources[GUN1], AL.AL_LOOPING, AL.AL_FALSE);
al.alSourcei(sources[GUN2], AL.AL_BUFFER, buffers[GUN2]);
al.alSourcef(sources[GUN2], AL.AL_PITCH, 1.0f);
al.alSourcef(sources[GUN2], AL.AL_GAIN, 1.0f);
al.alSourcefv(sources[GUN2], AL.AL_POSITION, sourcePos[GUN2], 0);
al.alSourcefv(sources[GUN2], AL.AL_POSITION, sourceVel[GUN2], 0);
al.alSourcei(sources[GUN2], AL.AL_LOOPING, AL.AL_FALSE);
// do another error check and return
if (al.alGetError() != AL.AL_NO_ERROR) {
return AL.AL_FALSE;
}
return AL.AL_TRUE;
}
static void setListenerValues() {
al.alListenerfv(AL.AL_POSITION, listenerPos, 0);
al.alListenerfv(AL.AL_VELOCITY, listenerVel, 0);
al.alListenerfv(AL.AL_ORIENTATION, listenerOri, 0);
}
static void killAllData() {
al.alDeleteBuffers(NUM_BUFFERS, buffers, 0);
al.alDeleteSources(NUM_SOURCES, sources, 0);
}
public static void main(String[] args) {
try {
ALut.alutInit();
al = ALFactory.getAL();
} catch (ALException e) {
e.printStackTrace();
System.exit(1);
}
al.alGetError();
if(loadALData() == AL.AL_FALSE) {
System.exit(1);
}
setListenerValues();
al.alSourcePlay(sources[BATTLE]);
long startTime = System.currentTimeMillis();
long elapsed = 0;
long totalElapsed = 0;
Random rand = new Random();
int[] state = new int[1];
while (totalElapsed < 10000) {
elapsed = System.currentTimeMillis() - startTime;
if (elapsed > 50) {
totalElapsed += elapsed;
startTime = System.currentTimeMillis();
// pick one of the two guns
int pick = Math.abs((rand.nextInt()) % 2) + 1;
al.alGetSourcei(sources[pick], AL.AL_SOURCE_STATE, state, 0);
if (state[0] != AL.AL_PLAYING) {
double theta = (rand.nextInt() % 360) * 3.14 / 180.0;
sourcePos[pick][0] = - ((float) Math.cos(theta));
sourcePos[pick][1] = - ((float) (rand.nextInt() % 2));
sourcePos[pick][2] = - ((float) Math.sin(theta));
al.alSourcefv(sources[pick],
AL.AL_POSITION,
sourcePos[pick], 0);
al.alSourcePlay(sources[pick]);
}
}
}
killAllData();
System.exit(0);
}
}
|
