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package org.lwjgl.test.openal;
import java.nio.IntBuffer;
import org.lwjgl.BufferUtils;
import org.lwjgl.input.Keyboard;
import org.lwjgl.openal.AL10;
import org.lwjgl.opengl.Display;
import org.lwjgl.util.WaveData;
import org.lwjgl.util.vector.Vector3f;
/**
*
* This test simulates a listener positioned in the center, and
* a source moving around the listener using the keyboard
*
* @author Brian Matzon <brian@matzon.dk>
* @version $Revision: 2983 $
* $Id: MovingSoundTest.java 2983 2008-04-07 18:36:09Z matzon $
*/
public class MovingSoundTest extends BasicTest {
public static float MOVEMENT = 50.00f;
/**
* Creates an instance of MovingSoundTest
*/
public MovingSoundTest() {
super();
}
/**
* Runs the actual test, using supplied arguments
*/
protected void execute(String[] args) {
if (args.length < 1) {
System.out.println("no argument supplied, assuming Footsteps.wav");
args = new String[] {"Footsteps.wav"};
}
try {
setDisplayMode();
Display.create();
} catch (Exception e) {
e.printStackTrace();
}
int lastError;
Vector3f sourcePosition = new Vector3f();
Vector3f listenerPosition = new Vector3f();
//initialize keyboard
try {
Keyboard.create();
} catch (Exception e) {
e.printStackTrace();
exit(-1);
}
//create 1 buffer and 1 source
IntBuffer buffers = BufferUtils.createIntBuffer(1);
IntBuffer sources = BufferUtils.createIntBuffer(1);
// al generate buffers and sources
buffers.position(0).limit(1);
AL10.alGenBuffers(buffers);
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
sources.position(0).limit(1);
AL10.alGenSources(sources);
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
//load wave data
WaveData wavefile = WaveData.create(args[0]);
//copy to buffers
AL10.alBufferData(
buffers.get(0),
wavefile.format,
wavefile.data,
wavefile.samplerate);
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
//unload file again
wavefile.dispose();
//set up source input
AL10.alSourcei(sources.get(0), AL10.AL_BUFFER, buffers.get(0));
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
AL10.alSourcef(sources.get(0), AL10.AL_REFERENCE_DISTANCE, 1024.0f);
AL10.alSourcef(sources.get(0), AL10.AL_ROLLOFF_FACTOR, 0.5f);
//lets loop the sound
AL10.alSourcei(sources.get(0), AL10.AL_LOOPING, AL10.AL_TRUE);
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
//play source 0
AL10.alSourcePlay(sources.get(0));
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
System.out.println("Move source with arrow keys\nMove listener with right shift and arrowkeys\nExit with ESC");
while(!Keyboard.isKeyDown(Keyboard.KEY_ESCAPE)) {
Display.update();
Keyboard.poll();
if(Keyboard.isKeyDown(Keyboard.KEY_LEFT)) {
if(Keyboard.isKeyDown(Keyboard.KEY_RSHIFT)) {
listenerPosition.x -= MOVEMENT;
AL10.alListener3f(AL10.AL_POSITION, listenerPosition.x, listenerPosition.y, listenerPosition.z);
System.out.println("listenerx: " + listenerPosition.x);
} else {
sourcePosition.x -= MOVEMENT;
AL10.alSource3f(sources.get(0), AL10.AL_POSITION, sourcePosition.x, sourcePosition.y, sourcePosition.z);
System.out.println("sourcex: " + sourcePosition.x);
}
}
if(Keyboard.isKeyDown(Keyboard.KEY_RIGHT)) {
if(Keyboard.isKeyDown(Keyboard.KEY_RSHIFT)) {
listenerPosition.x += MOVEMENT;
AL10.alListener3f(AL10.AL_POSITION, listenerPosition.x, listenerPosition.y, listenerPosition.z);
System.out.println("listenerx: " + listenerPosition.x);
} else {
sourcePosition.x += MOVEMENT;
AL10.alSource3f(sources.get(0), AL10.AL_POSITION, sourcePosition.x, sourcePosition.y, sourcePosition.z);
System.out.println("sourcex: " + sourcePosition.x);
}
}
if(Display.isCloseRequested()) {
break;
}
try {
Thread.sleep(100);
} catch (InterruptedException inte) {
}
}
//stop source 0
AL10.alSourceStop(sources.get(0));
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
//delete buffers and sources
sources.position(0).limit(1);
AL10.alDeleteSources(sources);
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
buffers.position(0).limit(1);
AL10.alDeleteBuffers(buffers);
if ((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
exit(lastError);
}
//shutdown
alExit();
}
/**
* main entry point
*
* @param args String array containing arguments
*/
public static void main(String[] args) {
MovingSoundTest movingSoundTest = new MovingSoundTest();
movingSoundTest.execute(args);
System.exit(0);
}
}