VisClient/org/hfbk/vis/visnode/Sound.java

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package org.hfbk.vis.visnode;

import java.net.MalformedURLException;

import org.dronus.al.ALUtil;
import org.dronus.gl.Buffers;
import org.hfbk.vis.Prefs;
import org.lwjgl.openal.AL;
import org.lwjgl.openal.AL10;
import org.lwjgl.util.vector.Vector3f;

public class Sound extends VisNode {

        String wavfile;
        int source, buffer;
        
        
        public Sound(String wavfile){
                super(null, new Vector3f());
                this.wavfile=wavfile;
                radius=1000;
        }
        
        void renderSelf() {
                //get world position 
                Vector3f worldPosition=traverse(getRoot(), position);
                if (Prefs.current.sound && AL.isCreated()) 
                        AL10.alSource(source, AL10.AL_POSITION, Buffers.buffer(worldPosition));
        }
        
        public void trigger(){
                trigger(false);
        }

        public void trigger(boolean looping){
                if (!AL.isCreated()) return; 
                if (source==0){
                        source=ALUtil.createSource();
                        try {
                                buffer=ALUtil.createBuffer(ALUtil.loadWav(wavfile));
                        } catch (MalformedURLException e) {
                                e.printStackTrace();
                        }
                        AL10.alSourcei(source, AL10.AL_BUFFER, buffer);
                }
                AL10.alSourcei(source, AL10.AL_LOOPING, (looping?AL10.AL_TRUE:AL10.AL_FALSE));
                AL10.alSourcePlay(source);
        }
        
        protected void finalize() throws Throwable {
                if(source>0) AL10.alDeleteSources(Buffers.i(source));
                if(buffer>0) AL10.alDeleteBuffers(Buffers.i(buffer));
                if (Prefs.current.verbose) System.out.println("AL Source Destroyed!");
                super.finalize();
        }
}

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