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.texture.Image; 3859b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.texture.Image.Format; 3959b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.texture.Texture; 4059b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.texture.Texture3D; 4159b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.util.BufferUtils; 4259b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.nio.ByteBuffer; 4359b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.util.ArrayList; 4459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 4559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta/** 4659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * This class generates the 'magic' texture. 4759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @author Marcin Roguski (Kaelthas) 4859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 4959b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartapublic class TextureGeneratorMagic extends TextureGenerator { 5059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private static NoiseDepthFunction[] noiseDepthFunctions = new NoiseDepthFunction[10]; 5159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta static { 5259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta noiseDepthFunctions[0] = new NoiseDepthFunction() { 5359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 5459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void compute(float[] xyz, float turbulence) { 5559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta xyz[1] = -(float) Math.cos(xyz[0] - xyz[1] + xyz[2]) * turbulence; 5659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 5759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta }; 5859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta noiseDepthFunctions[1] = new NoiseDepthFunction() { 5959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 6059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void compute(float[] xyz, float turbulence) { 6159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta xyz[0] = (float) Math.cos(xyz[0] - xyz[1] - xyz[2]) * turbulence; 6259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 6359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta }; 6459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta noiseDepthFunctions[2] = new NoiseDepthFunction() { 6559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 6659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void compute(float[] xyz, float turbulence) { 6759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta xyz[2] = (float) Math.sin(-xyz[0] - xyz[1] - xyz[2]) * turbulence; 6859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 6959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta }; 7059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta noiseDepthFunctions[3] = new NoiseDepthFunction() { 7159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 7259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void compute(float[] xyz, float turbulence) { 7359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta xyz[0] = -(float) Math.cos(-xyz[0] + xyz[1] - xyz[2]) * turbulence; 7459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 7559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta }; 7659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta noiseDepthFunctions[4] = new NoiseDepthFunction() { 7759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 7859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void compute(float[] xyz, float turbulence) { 7959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta xyz[1] = -(float) Math.sin(-xyz[0] + xyz[1] + xyz[2]) * turbulence; 8059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 8159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta }; 8259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta noiseDepthFunctions[5] = new NoiseDepthFunction() { 8359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 8459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void compute(float[] xyz, float turbulence) { 8559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta xyz[1] = -(float) Math.cos(-xyz[0] + xyz[1] + xyz[2]) * turbulence; 8659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 8759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta }; 8859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta noiseDepthFunctions[6] = new NoiseDepthFunction() { 8959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 9059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void compute(float[] xyz, float turbulence) { 9159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta xyz[0] = (float) Math.cos(xyz[0] + xyz[1] + xyz[2]) * turbulence; 9259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta }; 9459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta noiseDepthFunctions[7] = new NoiseDepthFunction() { 9559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 9659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void compute(float[] xyz, float turbulence) { 9759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta xyz[2] = (float) Math.sin(xyz[0] + xyz[1] - xyz[2]) * turbulence; 9859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta }; 10059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta noiseDepthFunctions[8] = new NoiseDepthFunction() { 10159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 10259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void compute(float[] xyz, float turbulence) { 10359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta xyz[0] = -(float) Math.cos(-xyz[0] - xyz[1] + xyz[2]) * turbulence; 10459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 10559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta }; 10659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta noiseDepthFunctions[9] = new NoiseDepthFunction() { 10759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 10859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void compute(float[] xyz, float turbulence) { 10959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta xyz[1] = -(float) Math.sin(xyz[0] - xyz[1] + xyz[2]) * turbulence; 11059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 11159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta }; 11259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 11359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 11459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 11559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Constructor stores the given noise generator. 11659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param noiseGenerator 11759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * the noise generator 11859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 11959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public TextureGeneratorMagic(NoiseGenerator noiseGenerator) { 12059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta super(noiseGenerator); 12159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 12259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 12359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 12459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected Texture generate(Structure tex, int width, int height, int depth, BlenderContext blenderContext) { 12559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float xyz[] = new float[3], turb; 12659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int noisedepth = ((Number) tex.getFieldValue("noisedepth")).intValue(); 12759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float turbul = ((Number) tex.getFieldValue("turbul")).floatValue() / 5.0f; 12859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float[] texvec = new float[] { 0, 0, 0 }; 12959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta TexturePixel texres = new TexturePixel(); 13059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int halfW = width >> 1, halfH = height >> 1, halfD = depth >> 1, index = 0; 13159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float wDelta = 1.0f / halfW, hDelta = 1.0f / halfH, dDelta = 1.0f / halfD; 13259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float[][] colorBand = this.computeColorband(tex, blenderContext); 13359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta BrightnessAndContrastData bacd = new BrightnessAndContrastData(tex); 13459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 13559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta byte[] data = new byte[width * height * depth * 4]; 13659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (int i = -halfW; i < halfW; ++i) { 13759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texvec[0] = wDelta * i; 13859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (int j = -halfH; j < halfH; ++j) { 13959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texvec[1] = hDelta * j; 14059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (int k = -halfD; k < halfD; ++k) { 14159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta turb = turbul; 14259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texvec[2] = dDelta * k; 14359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta xyz[0] = (float) Math.sin((texvec[0] + texvec[1] + texvec[2]) * 5.0f); 14459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta xyz[1] = (float) Math.cos((-texvec[0] + texvec[1] - texvec[2]) * 5.0f); 14559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta xyz[2] = -(float) Math.cos((-texvec[0] - texvec[1] + texvec[2]) * 5.0f); 14659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 14759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (colorBand != null) { 14859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texres.intensity = FastMath.clamp(0.3333f * (xyz[0] + xyz[1] + xyz[2]), 0.0f, 1.0f); 14959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int colorbandIndex = (int) (texres.intensity * 1000.0f); 15059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texres.red = colorBand[colorbandIndex][0]; 15159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texres.green = colorBand[colorbandIndex][1]; 15259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texres.blue = colorBand[colorbandIndex][2]; 15359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texres.alpha = colorBand[colorbandIndex][3]; 15459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } else { 15559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (noisedepth > 0) { 15659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta xyz[0] *= turb; 15759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta xyz[1] *= turb; 15859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta xyz[2] *= turb; 15959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (int m=0;m<noisedepth;++m) { 16059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta noiseDepthFunctions[m].compute(xyz, turb); 16159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 16259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 16359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 16459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (turb != 0.0f) { 16559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta turb *= 2.0f; 16659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta xyz[0] /= turb; 16759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta xyz[1] /= turb; 16859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta xyz[2] /= turb; 16959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 17059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texres.red = 0.5f - xyz[0]; 17159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texres.green = 0.5f - xyz[1]; 17259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texres.blue = 0.5f - xyz[2]; 17359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texres.alpha = 1.0f; 17459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 17559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.applyBrightnessAndContrast(bacd, texres); 17659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta data[index++] = (byte) (texres.red * 255.0f); 17759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta data[index++] = (byte) (texres.green * 255.0f); 17859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta data[index++] = (byte) (texres.blue * 255.0f); 17959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta data[index++] = (byte) (texres.alpha * 255.0f); 18059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 18159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 18259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 18359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ArrayList<ByteBuffer> dataArray = new ArrayList<ByteBuffer>(1); 18459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta dataArray.add(BufferUtils.createByteBuffer(data)); 18559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return new Texture3D(new Image(Format.RGBA8, width, height, depth, dataArray)); 18659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 18759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 18859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private static interface NoiseDepthFunction { 18959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta void compute(float[] xyz, float turbulence); 19059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 19159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta} 192