159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta/* 259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Copyright (c) 2009-2010 jMonkeyEngine 359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * All rights reserved. 459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Redistribution and use in source and binary forms, with or without 659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * modification, are permitted provided that the following conditions are 759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * met: 859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Redistributions of source code must retain the above copyright 1059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * notice, this list of conditions and the following disclaimer. 1159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 1259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Redistributions in binary form must reproduce the above copyright 1359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * notice, this list of conditions and the following disclaimer in the 1459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * documentation and/or other materials provided with the distribution. 1559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 1659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Neither the name of 'jMonkeyEngine' nor the names of its contributors 1759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * may be used to endorse or promote products derived from this software 1859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * without specific prior written permission. 1959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 2059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 2459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 2559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 2659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 2759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 2859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 2959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 3059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 3259b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartapackage com.jme3.scene.plugins.blender.textures; 3359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3459b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.math.FastMath; 3559b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.scene.plugins.blender.BlenderContext; 3659b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.scene.plugins.blender.file.Structure; 3759b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.scene.plugins.blender.textures.NoiseGenerator.NoiseFunction; 3859b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.texture.Image; 3959b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.texture.Image.Format; 4059b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.texture.Texture; 4159b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.texture.Texture3D; 4259b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.util.BufferUtils; 4359b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.nio.ByteBuffer; 4459b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.util.ArrayList; 4559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 4659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta/** 4759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * This class generates the 'distorted noise' texture. 4859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @author Marcin Roguski (Kaelthas) 4959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 5059b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartapublic class TextureGeneratorDistnoise extends TextureGenerator { 5159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 5259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 5359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Constructor stores the given noise generator. 5459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param noiseGenerator 5559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * the noise generator 5659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 5759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public TextureGeneratorDistnoise(NoiseGenerator noiseGenerator) { 5859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta super(noiseGenerator); 5959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 6059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 6159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 6259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected Texture generate(Structure tex, int width, int height, int depth, BlenderContext blenderContext) { 6359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float noisesize = ((Number) tex.getFieldValue("noisesize")).floatValue(); 6459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float distAmount = ((Number) tex.getFieldValue("dist_amount")).floatValue(); 6559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int noisebasis = ((Number) tex.getFieldValue("noisebasis")).intValue(); 6659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int noisebasis2 = ((Number) tex.getFieldValue("noisebasis2")).intValue(); 6759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 6859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta TexturePixel texres = new TexturePixel(); 6959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float[] texvec = new float[] { 0, 0, 0 }; 7059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int halfW = width >> 1, halfH = height >> 1, halfD = depth >> 1, index = 0; 7159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float wDelta = 1.0f / halfW, hDelta = 1.0f / halfH, dDelta = 1.0f / halfD; 7259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float[][] colorBand = this.computeColorband(tex, blenderContext); 7359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Format format = colorBand != null ? Format.RGBA8 : Format.Luminance8; 7459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int bytesPerPixel = colorBand != null ? 4 : 1; 7559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta BrightnessAndContrastData bacd = new BrightnessAndContrastData(tex); 7659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 7759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta byte[] data = new byte[width * height * depth * bytesPerPixel]; 7859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (int i = -halfW; i < halfW; ++i) { 7959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texvec[0] = wDelta * i / noisesize; 8059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (int j = -halfH; j < halfH; ++j) { 8159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texvec[1] = hDelta * j / noisesize; 8259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (int k = -halfD; k < halfD; ++k) { 8359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texvec[2] = dDelta * k; 8459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texres.intensity = this.musgraveVariableLunacrityNoise(texvec[0], texvec[1], texvec[2], distAmount, noisebasis, noisebasis2); 8559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texres.intensity = FastMath.clamp(texres.intensity, 0.0f, 1.0f); 8659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (colorBand != null) { 8759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int colorbandIndex = (int) (texres.intensity * 1000.0f); 8859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texres.red = colorBand[colorbandIndex][0]; 8959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texres.green = colorBand[colorbandIndex][1]; 9059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texres.blue = colorBand[colorbandIndex][2]; 9159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 9259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.applyBrightnessAndContrast(bacd, texres); 9359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta data[index++] = (byte) (texres.red * 255.0f); 9459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta data[index++] = (byte) (texres.green * 255.0f); 9559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta data[index++] = (byte) (texres.blue * 255.0f); 9659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta data[index++] = (byte) (colorBand[colorbandIndex][3] * 255.0f); 9759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } else { 9859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.applyBrightnessAndContrast(texres, bacd.contrast, bacd.brightness); 9959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta data[index++] = (byte) (texres.intensity * 255.0f); 10059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 10159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 10259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 10359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 10459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ArrayList<ByteBuffer> dataArray = new ArrayList<ByteBuffer>(1); 10559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta dataArray.add(BufferUtils.createByteBuffer(data)); 10659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return new Texture3D(new Image(format, width, height, depth, dataArray)); 10759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 10859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 10959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 11059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * "Variable Lacunarity Noise" A distorted variety of Perlin noise. This method is used to calculate distorted noise 11159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * texture. 11259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param x 11359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param y 11459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param z 11559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param distortion 11659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param nbas1 11759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param nbas2 11859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @return 11959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 12059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private float musgraveVariableLunacrityNoise(float x, float y, float z, float distortion, int nbas1, int nbas2) { 12159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta NoiseFunction abstractNoiseFunc1 = NoiseGenerator.noiseFunctions.get(Integer.valueOf(nbas1)); 12259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (abstractNoiseFunc1 == null) { 12359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta abstractNoiseFunc1 = NoiseGenerator.noiseFunctions.get(Integer.valueOf(0)); 12459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 12559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta NoiseFunction abstractNoiseFunc2 = NoiseGenerator.noiseFunctions.get(Integer.valueOf(nbas2)); 12659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (abstractNoiseFunc2 == null) { 12759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta abstractNoiseFunc2 = NoiseGenerator.noiseFunctions.get(Integer.valueOf(0)); 12859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 12959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // get a random vector and scale the randomization 13059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float rx = abstractNoiseFunc1.execute(x + 13.5f, y + 13.5f, z + 13.5f) * distortion; 13159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float ry = abstractNoiseFunc1.execute(x, y, z) * distortion; 13259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float rz = abstractNoiseFunc1.execute(x - 13.5f, y - 13.5f, z - 13.5f) * distortion; 13359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return abstractNoiseFunc2.executeSigned(x + rx, y + ry, z + rz); //distorted-domain noise 13459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 13559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta} 136