184 lines
5.3 KiB
Java
184 lines
5.3 KiB
Java
/*
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* Copyright (c) 2002-2008 LWJGL Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'LWJGL' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.lwjgl.test.applet;
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import java.nio.IntBuffer;
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import org.lwjgl.BufferUtils;
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import org.lwjgl.LWJGLException;
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import org.lwjgl.openal.AL;
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import org.lwjgl.openal.AL10;
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import org.lwjgl.opengl.AWTGLCanvas;
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import org.lwjgl.opengl.Display;
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import org.lwjgl.util.WaveData;
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import static org.lwjgl.opengl.GL11.*;
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public class OpenAL extends AWTGLCanvas implements Test {
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float angle;
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// create 1 buffer and 1 source
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IntBuffer buffers = BufferUtils.createIntBuffer(1);
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IntBuffer sources = BufferUtils.createIntBuffer(1);
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public OpenAL() throws LWJGLException {
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try {
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AL.create();
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} catch (Exception e) {
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System.out.println("Unable to create OpenAL.\nPlease make sure that OpenAL is available on this system. Exception: " + e);
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return;
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}
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Thread t = new Thread() {
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public void run() {
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while (true) {
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if (isVisible())
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repaint();
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Display.sync(60);
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}
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}
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};
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t.setDaemon(true);
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t.start();
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}
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private void playOpenAL() {
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int lastError;
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// al generate buffers and sources
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buffers.position(0).limit(1);
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AL10.alGenBuffers(buffers);
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if((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
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exit(lastError);
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}
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sources.position(0).limit(1);
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AL10.alGenSources(sources);
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if((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
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exit(lastError);
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}
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// load wave data from buffer
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WaveData wavefile = WaveData.create(getClass().getClassLoader().getResourceAsStream("Footsteps.wav"));
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//copy to buffers
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AL10.alBufferData(buffers.get(0), wavefile.format, wavefile.data, wavefile.samplerate);
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//unload file again
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wavefile.dispose();
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if((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
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exit(lastError);
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}
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//set up source input
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AL10.alSourcei(sources.get(0), AL10.AL_BUFFER, buffers.get(0));
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if((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
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exit(lastError);
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}
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//lets loop the sound
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AL10.alSourcei(sources.get(0), AL10.AL_LOOPING, AL10.AL_TRUE);
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if((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
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exit(lastError);
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}
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//play source 0
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AL10.alSourcePlay(sources.get(0));
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if((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
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exit(lastError);
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}
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}
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private void exit(int error) {
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System.out.println("OpenAL Error: " + AL10.alGetString(error));
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}
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public void paintGL() {
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glClear(GL_COLOR_BUFFER_BIT);
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glMatrixMode(GL_PROJECTION_MATRIX);
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glLoadIdentity();
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glOrtho(0, 640, 0, 480, 1, -1);
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glMatrixMode(GL_MODELVIEW_MATRIX);
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glPushMatrix();
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glTranslatef(320, 240, 0.0f);
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glRotatef(angle, 0, 0, 1.0f);
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glBegin(GL_QUADS);
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glVertex2i(-50, -50);
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glVertex2i(50, -50);
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glVertex2i(50, 50);
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glVertex2i(-50, 50);
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glEnd();
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glPopMatrix();
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angle += 1;
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try {
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swapBuffers();
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} catch (Exception e) {/*OK*/
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}
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}
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public void start() {
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playOpenAL();
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}
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public void stop() {
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int lastError;
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//stop source 0
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AL10.alSourceStop(sources.get(0));
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if((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
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exit(lastError);
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}
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//delete buffers and sources
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sources.position(0).limit(1);
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AL10.alDeleteSources(sources);
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if((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
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exit(lastError);
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}
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buffers.position(0).limit(1);
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AL10.alDeleteBuffers(buffers);
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if((lastError = AL10.alGetError()) != AL10.AL_NO_ERROR) {
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exit(lastError);
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}
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AL.destroy();
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}
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}
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