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Diffstat (limited to 'src/java/demos/devmaster/lesson2/LoopingAndFadeaway.java')
-rwxr-xr-x | src/java/demos/devmaster/lesson2/LoopingAndFadeaway.java | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/src/java/demos/devmaster/lesson2/LoopingAndFadeaway.java b/src/java/demos/devmaster/lesson2/LoopingAndFadeaway.java new file mode 100755 index 0000000..5095481 --- /dev/null +++ b/src/java/demos/devmaster/lesson2/LoopingAndFadeaway.java @@ -0,0 +1,148 @@ +/** + * 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(); + } + } +} |