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/**
* 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.lesson2;
import java.io.*;
import java.nio.*;
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/lesson2.php">LoopingAndFadeaway Tutorial</a>
* by Jesse Maurais.
*
* @author Athomas Goldberg
* @author Kenneth Russell
*/
public class LoopingAndFadeaway {
static int[] buffer = new int[1];
static int[] source = new int[1];
static float[] sourcePos = { 0.0f, 0.0f, 0.0f };
static float[] sourceVel = { 0.0f, 0.0f, 0.1f };
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 AL al;
static ALC alc;
static int loadALData() {
if (al.alGetError() != AL.AL_NO_ERROR) {
return AL.AL_FALSE;
}
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 a buffer.
al.alGenBuffers(1, buffer, 0);
if (al.alGetError() != AL.AL_NO_ERROR)
return AL.AL_FALSE;
ALut.alutLoadWAVFile(
LoopingAndFadeaway.class.getClassLoader().getResourceAsStream("demos/data/Footsteps.wav"),
format,
data,
size,
freq,
loop);
al.alBufferData(buffer[0], format[0], data[0], size[0], freq[0]);
al.alGenSources(1, source, 0);
al.alSourcei(source[0], AL.AL_BUFFER, buffer[0]);
al.alSourcef(source[0], AL.AL_PITCH, 1.0f);
al.alSourcef(source[0], AL.AL_GAIN, 1.0f);
al.alSourcefv(source[0], AL.AL_POSITION, sourcePos, 0);
al.alSourcefv(source[0], AL.AL_POSITION, sourceVel, 0);
al.alSourcei(source[0], AL.AL_LOOPING, AL.AL_TRUE);
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(1, buffer, 0);
al.alDeleteSources(1, source, 0);
}
public static void main(String[] args) {
try {
ALut.alutInit();
al = ALFactory.getAL();
} catch (ALException e) {
e.printStackTrace();
return;
}
if(loadALData() == AL.AL_FALSE) {
System.exit(1);
};
setListenerValues();
al.alSourcePlay(source[0]);
long startTime = System.currentTimeMillis();
long elapsed = 0;
long ticker = 0;
long lastTime = 0;
while (elapsed < 10000) {
elapsed = System.currentTimeMillis() - startTime;
if (ticker > 100) {
ticker = 0;
sourcePos[0] += sourceVel[0];
sourcePos[1] += sourceVel[1];
sourcePos[2] += sourceVel[2];
al.alSourcefv(source[0],
AL.AL_POSITION,
sourcePos, 0);
}
ticker += System.currentTimeMillis() - lastTime;
lastTime = System.currentTimeMillis();
}
}
}
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