Here's the code:
package org.lwjgl.test.openal;
import org.lwjgl.test.openal.PositionTest.*;
import java.nio.FloatBuffer;
import java.nio.IntBuffer;
import org.lwjgl.BufferUtils;
import org.lwjgl.LWJGLUtil;
import org.lwjgl.input.Keyboard;
import org.lwjgl.input.Mouse;
import org.lwjgl.openal.AL;
import org.lwjgl.openal.AL10;
import org.lwjgl.opengl.Display;
import org.lwjgl.opengl.GL11;
import org.lwjgl.util.glu.GLU;
import org.lwjgl.util.WaveData;
/**
* <br>
* This test demonstrates OpenAL positioning Based on the example by Chad Armstrong
* (http://www.edenwaith.com/products/pige/tutorials/openal.php)
*
* @author Brian Matzon <brian@matzon.dk>
* @version $Revision: 2983 $
* $Id: PositionTest.java 2983 2008-04-07 18:36:09Z matzon $
*/
public class PositionTest extends BasicTest {
/** *Small* glut implementation :) */
private GLUT glut;
/** Width of window */
public static final int WINDOW_WIDTH = 640;
/** Height of window */
public static final int WINDOW_HEIGHT = 480;
/** LEFT enumeration */
public static final int LEFT = 0;
/** CENTER enumeration */
public static final int CENTER = 1;
/** RIGHT enumeration */
public static final int RIGHT = 2;
/** Whether the demo is done */
private boolean finished = false;
/** Whether in pause mode */
private boolean pauseMode = false;
// OpenAL stuff
// ===================================================
/** OpenAL buffers */
private IntBuffer soundBuffers = BufferUtils.createIntBuffer(3);
/** OpenAL sources */
private IntBuffer soundSources = BufferUtils.createIntBuffer(3);
/** Position of listener */
private FloatBuffer listenerPosition = createFloatBuffer(new float[] { 0.0f, 0.0f, 0.0f });
/** Velocity of listener */
private FloatBuffer listenerVelocity = createFloatBuffer(new float[] { 0.0f, 0.0f, 0.0f });
/** Orientation of listener */
private FloatBuffer listenerOrientation =
createFloatBuffer(new float[] { 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f });
/** Position of left sound */
private FloatBuffer leftPosition = createFloatBuffer(new float[] { -2.0f, 0.0f, 0.0f });
/** Velocity of left sound */
private FloatBuffer leftVelocity = createFloatBuffer(new float[] { 0.0f, 0.0f, 0.0f });
/** Position of center sound */
private FloatBuffer centerPosition = createFloatBuffer(new float[] { 0.0f, 0.0f, -4.0f });
/** Velocity of center sound */
private FloatBuffer centerVelocity = createFloatBuffer(new float[] { 0.0f, 0.0f, 0.0f });
/** Position of right sound */
private FloatBuffer rightPosition = createFloatBuffer(new float[] { 2.0f, 0.0f, 0.0f });
/** Velocity of right sound */
private FloatBuffer rightVelocity = createFloatBuffer(new float[] { 0.0f, 0.0f, 0.0f });
// ---------------------------------------------------
/**
* Runs the actual test, using supplied arguments
*/
protected void execute(String[] args) {
// Setup needed stuff
try {
setup();
} catch (Exception e) {
System.out.println("Error setting up demonstration: ");
e.printStackTrace();
System.exit(-1);
}
// run the actual demonstration
run();
// shutdown
shutdown();
}
/**
* Performs setup of demonstration
*/
private void setup() throws Exception {
// Setup Window
// =====================================================
LWJGLUtil.log("Setting up window");
// calc center
int centerX = (Display.getDisplayMode().getWidth() - WINDOW_WIDTH) / 2;
int centerY = (Display.getDisplayMode().getHeight() - WINDOW_HEIGHT) / 2;
// setup window
setDisplayMode();
Display.create();
// -----------------------------------------------------
// Setup OpenGL
// =====================================================
LWJGLUtil.log("Setting up OpenGL");
GL11.glViewport(0, 0, WINDOW_WIDTH, WINDOW_HEIGHT);
GL11.glMatrixMode(GL11.GL_PROJECTION);
GL11.glLoadIdentity();
GLU.gluPerspective(50.0f, (float) WINDOW_WIDTH / WINDOW_HEIGHT, 0.0f, 50.0f);
GL11.glMatrixMode(GL11.GL_MODELVIEW);
GL11.glLoadIdentity();
GL11.glTranslatef(0.0f, 0.0f, -6.6f);
GL11.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glut = this.new GLUT();
Display.setVSyncEnabled(true);
// -----------------------------------------------------
// Setup OpenAL
// =====================================================
LWJGLUtil.log("C:/Program Files/Java/jdk1.6.0_21/ding.wav");
AL10.alListener(AL10.AL_POSITION, listenerPosition);
AL10.alListener(AL10.AL_VELOCITY, listenerVelocity);
AL10.alListener(AL10.AL_ORIENTATION, listenerOrientation);
// creating buffers
LWJGLUtil.log("C:/Program Files/Java/jdk1.6.0_21/ding.wav");
AL10.alGenBuffers(soundBuffers);
soundBuffers.rewind();
// creating sources
AL10.alGenSources(soundSources);
soundSources.rewind();
// load sound files (left, center, right).wav
LWJGLUtil.log("C:/Program Files/Java/jdk1.6.0_21/ding.wav");
LWJGLUtil.log("C:/Program Files/Java/jdk1.6.0_21/ding.wav");
WaveData left = WaveData.create("C:/Program Files/Java/jdk1.6.0_21/ding.wav");
AL10.alBufferData(soundBuffers.get(LEFT), left.format, left.data, left.samplerate);
AL10.alSourcef(soundSources.get(LEFT), AL10.AL_PITCH, 1.0f);
AL10.alSourcef(soundSources.get(LEFT), AL10.AL_GAIN, 1.0f);
AL10.alSource(soundSources.get(LEFT), AL10.AL_POSITION, leftPosition);
AL10.alSource(soundSources.get(LEFT), AL10.AL_VELOCITY, leftVelocity);
AL10.alSourcei(soundSources.get(LEFT), AL10.AL_BUFFER, soundBuffers.get(LEFT));
AL10.alSourcei(soundSources.get(LEFT), AL10.AL_LOOPING, AL10.AL_TRUE);
LWJGLUtil.log("C:/Program Files/Java/jdk1.6.0_21/ding.wav");
WaveData center = WaveData.create("C:/Program Files/Java/jdk1.6.0_21/ding.wav");
AL10.alBufferData(soundBuffers.get(CENTER), center.format, center.data, center.samplerate);
AL10.alSourcef(soundSources.get(CENTER), AL10.AL_PITCH, 1.0f);
AL10.alSourcef(soundSources.get(CENTER), AL10.AL_GAIN, 1.0f);
AL10.alSource(soundSources.get(CENTER), AL10.AL_POSITION, centerPosition);
AL10.alSource(soundSources.get(CENTER), AL10.AL_VELOCITY, centerVelocity);
AL10.alSourcei(soundSources.get(CENTER), AL10.AL_BUFFER, soundBuffers.get(CENTER));
AL10.alSourcei(soundSources.get(CENTER), AL10.AL_LOOPING, AL10.AL_TRUE);
LWJGLUtil.log("C:/Program Files/Java/jdk1.6.0_21/ding.wav");
WaveData right = WaveData.create("C:/Program Files/Java/jdk1.6.0_21/ding.wav");
AL10.alBufferData(soundBuffers.get(RIGHT), right.format, right.data, right.samplerate);
AL10.alSourcef(soundSources.get(RIGHT), AL10.AL_PITCH, 1.0f);
AL10.alSourcef(soundSources.get(RIGHT), AL10.AL_GAIN, 1.0f);
AL10.alSource(soundSources.get(RIGHT), AL10.AL_POSITION, rightPosition);
AL10.alSource(soundSources.get(RIGHT), AL10.AL_VELOCITY, rightVelocity);
AL10.alSourcei(soundSources.get(RIGHT), AL10.AL_BUFFER, soundBuffers.get(RIGHT));
AL10.alSourcei(soundSources.get(RIGHT), AL10.AL_LOOPING, AL10.AL_TRUE);
LWJGLUtil.log("C:/Program Files/Java/jdk1.6.0_21/ding.wav");
// -----------------------------------------------------
Mouse.setGrabbed(true);
}
/**
* Runs the actual demonstration
*/
private void run() {
boolean firstRun = true;
System.out.println("Press 1/4 (left), 2/5 (center) or 3/6 (right) to toggle sound");
System.out.println("Press LEFT/RIGHT to move along x axis");
System.out.println("Press SHIFT and either UP/DOWN to move along y axis");
System.out.println("Press UP/DOWN to move along z axis");
System.out.println("Move along the x and y axis with the mouse");
System.out.println("Press LEFT or RIGHT mouse button to move along z axis");
System.out.println("Press ESC to exit demo");
LWJGLUtil.log(
"Listener position: "
+ listenerPosition.get(0)
+ ", "
+ listenerPosition.get(1)
+ ", "
+ listenerPosition.get(2));
LWJGLUtil.log("Left position: " + leftPosition.get(0) + ", " + leftPosition.get(1) + ", " + leftPosition.get(2));
LWJGLUtil.log("Center position: " + centerPosition.get(0) + ", " + centerPosition.get(1) + ", " + centerPosition.get(2));
LWJGLUtil.log("Right position: " + rightPosition.get(0) + ", " + rightPosition.get(1) + ", " + rightPosition.get(2));
while (!finished) {
// handle any input
handleInput();
// allow window to process internal messages
Display.update();
// render and paint if !minimized and not dirty
if(Display.isVisible()) {
render();
} else {
// sleeeeeep
pause(100);
}
// act on pause mode
paused(!(Display.isVisible() || Display.isActive()));
// start sound after first paint, since we don't want
// the delay before something is painted on the screen
if (firstRun && !pauseMode) {
firstRun = false;
// start sounds with delays
startSounds();
}
}
}
/**
* Starts playing the sounds at different times
*/
private void startSounds() {
AL10.alSourcePlay(soundSources.get(LEFT));
pause(300);
AL10.alSourcePlay(soundSources.get(CENTER));
pause(500);
AL10.alSourcePlay(soundSources.get(RIGHT));
}
/**
* Handles any changes in pause mode
*
* @param paused Which pause mode to enter
*/
private void paused(boolean paused) {
// if requesting pause, and not paused - pause and stop sound
if(paused && !pauseMode) {
pauseMode = true;
AL10.alSourcePause(soundSources);
System.out.println("pauseMode = true");
}
// else go out of pause mode and start sounds
else if(!paused && pauseMode) {
pauseMode = false;
startSounds();
System.out.println("pauseMode = false");
}
}
/**
* Handles any input
*/
private void handleInput() {
// User wants to exit?
finished = Display.isCloseRequested() || Keyboard.isKeyDown(Keyboard.KEY_ESCAPE);
if (finished) {
return;
}
boolean shift = Keyboard.isKeyDown(Keyboard.KEY_LSHIFT) || Keyboard.isKeyDown(Keyboard.KEY_RSHIFT);
// Test for play
// ============================================
if (Keyboard.isKeyDown(Keyboard.KEY_1)) {
AL10.alSourcePlay(soundSources.get(LEFT));
LWJGLUtil.log("C:/Program Files/Java/jdk1.6.0_21/ding.wav");
}
if (Keyboard.isKeyDown(Keyboard.KEY_2)) {
AL10.alSourcePlay(soundSources.get(CENTER));
LWJGLUtil.log("C:/Program Files/Java/jdk1.6.0_21/ding.wav");
}
if (Keyboard.isKeyDown(Keyboard.KEY_3)) {
AL10.alSourcePlay(soundSources.get(RIGHT));
LWJGLUtil.log("C:/Program Files/Java/jdk1.6.0_21/ding.wav");
}
// --------------------------------------------
// Test for stop
// ============================================
if (Keyboard.isKeyDown(Keyboard.KEY_4)) {
AL10.alSourceStop(soundSources.get(LEFT));
LWJGLUtil.log("C:/Program Files/Java/jdk1.6.0_21/ding.wav");
}
if (Keyboard.isKeyDown(Keyboard.KEY_5)) {
AL10.alSourceStop(soundSources.get(CENTER));
LWJGLUtil.log("C:/Program Files/Java/jdk1.6.0_21/ding.wav");
}
if (Keyboard.isKeyDown(Keyboard.KEY_6)) {
AL10.alSourceStop(soundSources.get(RIGHT));
LWJGLUtil.log("C:/Program Files/Java/jdk1.6.0_21/ding.wav");
}
// --------------------------------------------
// Test for movement with keyboard
// ============================================
if (Keyboard.isKeyDown(Keyboard.KEY_LEFT)) {
listenerPosition.put(0, listenerPosition.get(0) - 0.1f);
AL10.alListener(AL10.AL_POSITION, listenerPosition);
}
if (Keyboard.isKeyDown(Keyboard.KEY_RIGHT)) {
listenerPosition.put(0, listenerPosition.get(0) + 0.1f);
AL10.alListener(AL10.AL_POSITION, listenerPosition);
}
if (Keyboard.isKeyDown(Keyboard.KEY_UP)) {
if (shift) {
listenerPosition.put(1, listenerPosition.get(1) + 0.1f);
} else {
listenerPosition.put(2, listenerPosition.get(2) - 0.1f);
}
AL10.alListener(AL10.AL_POSITION, listenerPosition);
}
if (Keyboard.isKeyDown(Keyboard.KEY_DOWN)) {
if (shift) {
listenerPosition.put(1, listenerPosition.get(1) - 0.1f);
} else {
listenerPosition.put(2, listenerPosition.get(2) + 0.1f);
}
AL10.alListener(AL10.AL_POSITION, listenerPosition);
}
// --------------------------------------------
// Test for movement with Mouse
// ============================================
listenerPosition.put(0, listenerPosition.get(0) + (0.01f * Mouse.getDX()));
listenerPosition.put(1, listenerPosition.get(1) + (0.01f * Mouse.getDY()));
if (Mouse.isButtonDown(0)) {
listenerPosition.put(2, listenerPosition.get(2) - 0.1f);
}
if (Mouse.isButtonDown(1)) {
listenerPosition.put(2, listenerPosition.get(2) + 0.1f);
}
AL10.alListener(AL10.AL_POSITION, listenerPosition);
// empty mouse buffer
while(Mouse.next());
}
/**
* Render the scene
*/
private void render() {
GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
GL11.glPushMatrix();
{
GL11.glRotatef(20.0f, 1.0f, 1.0f, 0.0f);
// left
GL11.glPushMatrix();
{
GL11.glTranslatef(leftPosition.get(0), leftPosition.get(1), leftPosition.get(2));
GL11.glColor3f(1.0f, 0.0f, 0.0f);
glut.glutWireCube(0.5f);
}
GL11.glPopMatrix();
// center
GL11.glPushMatrix();
{
GL11.glTranslatef(centerPosition.get(0), centerPosition.get(1), centerPosition.get(2));
GL11.glColor3f(0.0f, 0.0f, 1.0f);
glut.glutWireCube(0.5f);
}
GL11.glPopMatrix();
// right
GL11.glPushMatrix();
{
GL11.glTranslatef(rightPosition.get(0), rightPosition.get(1), rightPosition.get(2));
GL11.glColor3f(0.0f, 1.0f, 0.0f);
glut.glutWireCube(0.5f);
}
GL11.glPopMatrix();
// listener
GL11.glPushMatrix();
{
GL11.glTranslatef(listenerPosition.get(0), listenerPosition.get(1), listenerPosition.get(2));
GL11.glColor3f(1.0f, 1.0f, 1.0f);
glut.glutSolidCube(0.5f);
}
GL11.glPopMatrix();
}
GL11.glPopMatrix();
}
/**
* Shutdown of demonstration
*/
private void shutdown() {
LWJGLUtil.log("Shutting down OpenAL");
AL10.alSourceStop(soundSources);
AL10.alDeleteSources(soundSources);
AL10.alDeleteBuffers(soundBuffers);
AL.destroy();
LWJGLUtil.log("Shutting down Window");
Display.destroy();
}
/**
* main entry point
*
* @param args
* String array containing arguments
*/
public static void main(String[] args) {
PositionTest positionTest = new PositionTest();
positionTest.execute(args);
System.exit(0);
}
/**
* Minute implementation of GLUT: <br>COPYRIGHT:
*
* The OpenGL Utility Toolkit distribution for Win32 (Windows NT & Windows
* 95) contains source code modified from the original source code for GLUT
* version 3.3 which was developed by Mark J. Kilgard. The original source
* code for GLUT is Copyright 1997 by Mark J. Kilgard. GLUT for Win32 is
* Copyright 1997 by Nate Robins and is not in the public domain, but it is
* freely distributable without licensing fees. It is provided without
* guarantee or warrantee expressed or implied. It was ported with the
* permission of Mark J. Kilgard by Nate Robins.
*
* THIS SOURCE CODE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OR MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
*/
class GLUT {
float n[][] = new float[][] { { -1.0f, 0.0f, 0.0f }, {
0.0f, 1.0f, 0.0f }, {
1.0f, 0.0f, 0.0f }, {
0.0f, -1.0f, 0.0f }, {
0.0f, 0.0f, 1.0f }, {
0.0f, 0.0f, -1.0f }
};
int faces[][] = new int[][] { { 0, 1, 2, 3 }, {
3, 2, 6, 7 }, {
7, 6, 5, 4 }, {
4, 5, 1, 0 }, {
5, 6, 2, 1 }, {
7, 4, 0, 3 }
};
float v[][] = new float[8][3];
public void glutWireCube(float size) {
drawBox(size, GL11.GL_LINE_LOOP);
}
public void glutSolidCube(float size) {
drawBox(size, GL11.GL_QUADS);
}
private void drawBox(float size, int type) {
v[0][0] = v[1][0] = v[2][0] = v[3][0] = -size / 2;
v[4][0] = v[5][0] = v[6][0] = v[7][0] = size / 2;
v[0][1] = v[1][1] = v[4][1] = v[5][1] = -size / 2;
v[2][1] = v[3][1] = v[6][1] = v[7][1] = size / 2;
v[0][2] = v[3][2] = v[4][2] = v[7][2] = -size / 2;
v[1][2] = v[2][2] = v[5][2] = v[6][2] = size / 2;
for (int i = 5; i >= 0; i--) {
GL11.glBegin(type);
GL11.glNormal3f(n[i][0], n[i][1], n[i][2]);
GL11.glVertex3f(v[faces[i][0]][0], v[faces[i][0]][1], v[faces[i][0]][2]);
GL11.glVertex3f(v[faces[i][1]][0], v[faces[i][1]][1], v[faces[i][1]][2]);
GL11.glVertex3f(v[faces[i][2]][0], v[faces[i][2]][1], v[faces[i][2]][2]);
GL11.glVertex3f(v[faces[i][3]][0], v[faces[i][3]][1], v[faces[i][3]][2]);
GL11.glEnd();
}
}
}
}
And here's the error report:
run:
Default device: Generic Software
Available devices:
0: Generic Software
Error setting up demonstration:
java.lang.NullPointerException
at org.lwjgl.test.openal.PositionTest.setup(PositionTest.java:199)
at org.lwjgl.test.openal.PositionTest.execute(PositionTest.java:128)
at org.lwjgl.test.openal.PositionTest.main(PositionTest.java:485)
Java Result: -1
BUILD SUCCESSFUL (total time: 2 seconds)
Thanks in advance
A
