1 /* 2 * Copyright (c) 2009-2010 jMonkeyEngine 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * * Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * * Neither the name of 'jMonkeyEngine' nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 27 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 package com.jme3.audio; 34 35 import com.jme3.export.InputCapsule; 36 import com.jme3.export.JmeExporter; 37 import com.jme3.export.JmeImporter; 38 import com.jme3.export.OutputCapsule; 39 import com.jme3.util.NativeObject; 40 import java.io.IOException; 41 42 public class LowPassFilter extends Filter { 43 44 protected float volume, highFreqVolume; 45 46 public LowPassFilter(float volume, float highFreqVolume) { 47 super(); 48 setVolume(volume); 49 setHighFreqVolume(highFreqVolume); 50 } 51 52 protected LowPassFilter(int id){ 53 super(id); 54 } 55 56 public float getHighFreqVolume() { 57 return highFreqVolume; 58 } 59 60 public void setHighFreqVolume(float highFreqVolume) { 61 if (highFreqVolume < 0 || highFreqVolume > 1) 62 throw new IllegalArgumentException("High freq volume must be between 0 and 1"); 63 64 this.highFreqVolume = highFreqVolume; 65 this.updateNeeded = true; 66 } 67 68 public float getVolume() { 69 return volume; 70 } 71 72 public void setVolume(float volume) { 73 if (volume < 0 || volume > 1) 74 throw new IllegalArgumentException("Volume must be between 0 and 1"); 75 76 this.volume = volume; 77 this.updateNeeded = true; 78 } 79 80 public void write(JmeExporter ex) throws IOException{ 81 super.write(ex); 82 OutputCapsule oc = ex.getCapsule(this); 83 oc.write(volume, "volume", 0); 84 oc.write(highFreqVolume, "hf_volume", 0); 85 } 86 87 @Override 88 public void read(JmeImporter im) throws IOException{ 89 super.read(im); 90 InputCapsule ic = im.getCapsule(this); 91 volume = ic.readFloat("volume", 0); 92 highFreqVolume = ic.readFloat("hf_volume", 0); 93 } 94 95 @Override 96 public NativeObject createDestructableClone() { 97 return new LowPassFilter(id); 98 } 99 100 } 101