diff options
Diffstat (limited to 'engine/src/blender/com/jme3/scene/plugins/blender/textures/TextureGeneratorNoise.java')
-rw-r--r-- | engine/src/blender/com/jme3/scene/plugins/blender/textures/TextureGeneratorNoise.java | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/engine/src/blender/com/jme3/scene/plugins/blender/textures/TextureGeneratorNoise.java b/engine/src/blender/com/jme3/scene/plugins/blender/textures/TextureGeneratorNoise.java new file mode 100644 index 0000000..02d4687 --- /dev/null +++ b/engine/src/blender/com/jme3/scene/plugins/blender/textures/TextureGeneratorNoise.java @@ -0,0 +1,106 @@ +/* + * Copyright (c) 2009-2010 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.scene.plugins.blender.textures; + +import com.jme3.math.FastMath; +import com.jme3.scene.plugins.blender.BlenderContext; +import com.jme3.scene.plugins.blender.file.Structure; +import com.jme3.texture.Image; +import com.jme3.texture.Image.Format; +import com.jme3.texture.Texture; +import com.jme3.texture.Texture3D; +import com.jme3.util.BufferUtils; +import java.nio.ByteBuffer; +import java.util.ArrayList; + +/** + * This class generates the 'noise' texture. + * @author Marcin Roguski (Kaelthas) + */ +public class TextureGeneratorNoise extends TextureGenerator { + + /** + * Constructor stores the given noise generator. + * @param noiseGenerator + * the noise generator + */ + public TextureGeneratorNoise(NoiseGenerator noiseGenerator) { + super(noiseGenerator); + } + + @Override + protected Texture generate(Structure tex, int width, int height, int depth, BlenderContext blenderContext) { + int val, random, loop; + int noisedepth = ((Number) tex.getFieldValue("noisedepth")).intValue(); + TexturePixel texres = new TexturePixel(); + int halfW = width >> 1, halfH = height >> 1, halfD = depth >> 1, index = 0; + float[][] colorBand = this.computeColorband(tex, blenderContext); + Format format = colorBand != null ? Format.RGBA8 : Format.Luminance8; + int bytesPerPixel = colorBand != null ? 4 : 1; + BrightnessAndContrastData bacd = new BrightnessAndContrastData(tex); + + byte[] data = new byte[width * height * depth * bytesPerPixel]; + for (int i = -halfW; i < halfW; ++i) { + for (int j = -halfH; j < halfH; ++j) { + for (int k = -halfD; k < halfD; ++k) { + random = FastMath.rand.nextInt(); + val = random & 3; + + loop = noisedepth; + while (loop-- != 0) { + random >>= 2; + val *= random & 3; + } + texres.intensity = FastMath.clamp(val, 0.0f, 1.0f); + if (colorBand != null) { + int colorbandIndex = (int) (texres.intensity * 1000.0f); + texres.red = colorBand[colorbandIndex][0]; + texres.green = colorBand[colorbandIndex][1]; + texres.blue = colorBand[colorbandIndex][2]; + + this.applyBrightnessAndContrast(bacd, texres); + data[index++] = (byte) (texres.red * 255.0f); + data[index++] = (byte) (texres.green * 255.0f); + data[index++] = (byte) (texres.blue * 255.0f); + data[index++] = (byte) (colorBand[colorbandIndex][3] * 255.0f); + } else { + this.applyBrightnessAndContrast(texres, bacd.contrast, bacd.brightness); + data[index++] = (byte) (texres.intensity * 255.0f); + } + } + } + } + ArrayList<ByteBuffer> dataArray = new ArrayList<ByteBuffer>(1); + dataArray.add(BufferUtils.createByteBuffer(data)); + return new Texture3D(new Image(format, width, height, depth, dataArray)); + } +} |