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jMonkeyEngine is a 3-D game engine for adventurous Java developers
/*
* Copyright (c) 2009-2012 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jme3.audio;
import com.jme3.math.FastMath;
/**
* Audio environment, for reverb effects.
* @author Kirill
*/
public class Environment {
private float airAbsorbGainHf = 0.99426f;
private float roomRolloffFactor = 0;
private float decayTime = 1.49f;
private float decayHFRatio = 0.54f;
private float density = 1.0f;
private float diffusion = 0.3f;
private float gain = 0.316f;
private float gainHf = 0.022f;
private float lateReverbDelay = 0.088f;
private float lateReverbGain = 0.768f;
private float reflectDelay = 0.162f;
private float reflectGain = 0.052f;
private boolean decayHfLimit = true;
public static final Environment Garage, Dungeon, Cavern, AcousticLab, Closet;
static {
Garage = new Environment(1, 1, 1, 1, .9f, .5f, .751f, .0039f, .661f, .0137f);
Dungeon = new Environment(.75f, 1, 1, .75f, 1.6f, 1, 0.95f, 0.0026f, 0.93f, 0.0103f);
Cavern = new Environment(.5f, 1, 1, .5f, 2.25f, 1, .908f, .0103f, .93f, .041f);
AcousticLab = new Environment(.5f, 1, 1, 1, .28f, 1, .87f, .002f, .81f, .008f);
Closet = new Environment(1, 1, 1, 1, .15f, 1, .6f, .0025f, .5f, .0006f);
}
private static float eaxDbToAmp(float eaxDb) {
float dB = eaxDb / 2000f;
return FastMath.pow(10f, dB);
}
public Environment() {
}
public Environment(Environment source) {
this.airAbsorbGainHf = source.airAbsorbGainHf;
this.roomRolloffFactor = source.roomRolloffFactor;
this.decayTime = source.decayTime;
this.decayHFRatio = source.decayHFRatio;
this.density = source.density;
this.diffusion = source.diffusion;
this.gain = source.gain;
this.gainHf = source.gainHf;
this.lateReverbDelay = source.lateReverbDelay;
this.lateReverbGain = source.lateReverbGain;
this.reflectDelay = source.reflectDelay;
this.reflectGain = source.reflectGain;
this.decayHfLimit = source.decayHfLimit;
}
public Environment(float density, float diffusion, float gain, float gainHf,
float decayTime, float decayHf, float reflGain,
float reflDelay, float lateGain, float lateDelay) {
this.decayTime = decayTime;
this.decayHFRatio = decayHf;
this.density = density;
this.diffusion = diffusion;
this.gain = gain;
this.gainHf = gainHf;
this.lateReverbDelay = lateDelay;
this.lateReverbGain = lateGain;
this.reflectDelay = reflDelay;
this.reflectGain = reflGain;
}
public Environment(float[] e) {
if (e.length != 28)
throw new IllegalArgumentException("Not an EAX preset");
// skip env id
// e[0]
// skip room size
// e[1]
// density = 0;
diffusion = e[2];
gain = eaxDbToAmp(e[3]); // convert
gainHf = eaxDbToAmp(e[4]) / eaxDbToAmp(e[5]); // convert
decayTime = e[6];
decayHFRatio = e[7] / e[8];
reflectGain = eaxDbToAmp(e[9]); // convert
reflectDelay = e[10];
// skip 3 pan values
// e[11] e[12] e[13]
lateReverbGain = eaxDbToAmp(e[14]); // convert
lateReverbDelay = e[15];
// skip 3 pan values
// e[16] e[17] e[18]
// skip echo time, echo damping, mod time, mod damping
// e[19] e[20] e[21] e[22]
airAbsorbGainHf = eaxDbToAmp(e[23]);
// skip HF Reference and LF Reference
// e[24] e[25]
roomRolloffFactor = e[26];
// skip flags
// e[27]
}
public float getAirAbsorbGainHf() {
return airAbsorbGainHf;
}
public void setAirAbsorbGainHf(float airAbsorbGainHf) {
this.airAbsorbGainHf = airAbsorbGainHf;
}
public float getDecayHFRatio() {
return decayHFRatio;
}
public void setDecayHFRatio(float decayHFRatio) {
this.decayHFRatio = decayHFRatio;
}
public boolean isDecayHfLimit() {
return decayHfLimit;
}
public void setDecayHfLimit(boolean decayHfLimit) {
this.decayHfLimit = decayHfLimit;
}
public float getDecayTime() {
return decayTime;
}
public void setDecayTime(float decayTime) {
this.decayTime = decayTime;
}
public float getDensity() {
return density;
}
public void setDensity(float density) {
this.density = density;
}
public float getDiffusion() {
return diffusion;
}
public void setDiffusion(float diffusion) {
this.diffusion = diffusion;
}
public float getGain() {
return gain;
}
public void setGain(float gain) {
this.gain = gain;
}
public float getGainHf() {
return gainHf;
}
public void setGainHf(float gainHf) {
this.gainHf = gainHf;
}
public float getLateReverbDelay() {
return lateReverbDelay;
}
public void setLateReverbDelay(float lateReverbDelay) {
this.lateReverbDelay = lateReverbDelay;
}
public float getLateReverbGain() {
return lateReverbGain;
}
public void setLateReverbGain(float lateReverbGain) {
this.lateReverbGain = lateReverbGain;
}
public float getReflectDelay() {
return reflectDelay;
}
public void setReflectDelay(float reflectDelay) {
this.reflectDelay = reflectDelay;
}
public float getReflectGain() {
return reflectGain;
}
public void setReflectGain(float reflectGain) {
this.reflectGain = reflectGain;
}
public float getRoomRolloffFactor() {
return roomRolloffFactor;
}
public void setRoomRolloffFactor(float roomRolloffFactor) {
this.roomRolloffFactor = roomRolloffFactor;
}
}
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