diff --git a/jme3-plugins/src/fbx/java/com/jme3/scene/plugins/fbx/file/FBXElement.java b/jme3-plugins/src/fbx/java/com/jme3/scene/plugins/fbx/file/FBXElement.java new file mode 100644 index 000000000..eeeee872c --- /dev/null +++ b/jme3-plugins/src/fbx/java/com/jme3/scene/plugins/fbx/file/FBXElement.java @@ -0,0 +1,64 @@ +/* + * Copyright (c) 2009-2014 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.fbx.file; + +import java.util.ArrayList; +import java.util.List; + +public class FBXElement { + + public String id; + public List properties; + /* + * Y - signed short + * C - boolean + * I - signed integer + * F - float + * D - double + * L - long + * R - byte array + * S - string + * f - array of floats + * i - array of ints + * d - array of doubles + * l - array of longs + * b - array of boleans + * c - array of unsigned bytes (represented as array of ints) + */ + public char[] propertiesTypes; + public List children = new ArrayList(); + + public FBXElement(int propsCount) { + properties = new ArrayList(propsCount); + propertiesTypes = new char[propsCount]; + } +} diff --git a/jme3-plugins/src/fbx/java/com/jme3/scene/plugins/fbx/file/FBXFile.java b/jme3-plugins/src/fbx/java/com/jme3/scene/plugins/fbx/file/FBXFile.java new file mode 100644 index 000000000..ba81f1a74 --- /dev/null +++ b/jme3-plugins/src/fbx/java/com/jme3/scene/plugins/fbx/file/FBXFile.java @@ -0,0 +1,42 @@ +/* + * Copyright (c) 2009-2014 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.fbx.file; + +import java.util.ArrayList; +import java.util.List; + +public class FBXFile { + + public List rootElements = new ArrayList(); + public long version; + +} diff --git a/jme3-plugins/src/fbx/java/com/jme3/scene/plugins/fbx/file/FBXReader.java b/jme3-plugins/src/fbx/java/com/jme3/scene/plugins/fbx/file/FBXReader.java new file mode 100644 index 000000000..b39dfef1c --- /dev/null +++ b/jme3-plugins/src/fbx/java/com/jme3/scene/plugins/fbx/file/FBXReader.java @@ -0,0 +1,225 @@ +/* + * Copyright (c) 2009-2014 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.fbx.file; + +import java.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; +import java.io.IOException; +import java.io.InputStream; +import java.nio.ByteBuffer; +import java.nio.ByteOrder; +import java.util.Arrays; +import java.util.zip.InflaterInputStream; + +public class FBXReader { + + public static final int BLOCK_SENTINEL_LENGTH = 13; + public static final byte[] BLOCK_SENTINEL_DATA = new byte[BLOCK_SENTINEL_LENGTH]; + /** + * Majic string at start: + * "Kaydara FBX Binary\x20\x20\x00\x1a\x00" + */ + public static final byte[] HEAD_MAGIC = new byte[]{0x4b, 0x61, 0x79, 0x64, 0x61, 0x72, 0x61, 0x20, 0x46, 0x42, 0x58, 0x20, 0x42, 0x69, 0x6e, 0x61, 0x72, 0x79, 0x20, 0x20, 0x00, 0x1a, 0x00}; + + public static FBXFile readFBX(InputStream stream) throws IOException { + FBXFile fbxFile = new FBXFile(); + // Read file to byte buffer so we can know current position in file + ByteBuffer byteBuffer = readToByteBuffer(stream); + try { + stream.close(); + } catch(IOException e) { + } + // Check majic header + byte[] majic = getBytes(byteBuffer, HEAD_MAGIC.length); + if(!Arrays.equals(HEAD_MAGIC, majic)) + throw new IOException("Not FBX file"); + // Read version + fbxFile.version = getUInt(byteBuffer); + // Read root elements + while(true) { + FBXElement e = readFBXElement(byteBuffer); + if(e == null) + break; + fbxFile.rootElements.add(e); + } + return fbxFile; + } + + private static FBXElement readFBXElement(ByteBuffer byteBuffer) throws IOException { + long endOffset = getUInt(byteBuffer); + if(endOffset == 0) + return null; + long propCount = getUInt(byteBuffer); + getUInt(byteBuffer); // Properties length unused + + FBXElement element = new FBXElement((int) propCount); + element.id = new String(getBytes(byteBuffer, getUByte(byteBuffer))); + + for(int i = 0; i < propCount; ++i) { + char dataType = readDataType(byteBuffer); + element.properties.add(readData(byteBuffer, dataType)); + element.propertiesTypes[i] = dataType; + } + if(byteBuffer.position() < endOffset) { + while(byteBuffer.position() < (endOffset - BLOCK_SENTINEL_LENGTH)) + element.children.add(readFBXElement(byteBuffer)); + + if(!Arrays.equals(BLOCK_SENTINEL_DATA, getBytes(byteBuffer, BLOCK_SENTINEL_LENGTH))) + throw new IOException("Failed to read block sentinel, expected 13 zero bytes"); + } + if(byteBuffer.position() != endOffset) + throw new IOException("Data length not equal to expected"); + return element; + } + + private static Object readData(ByteBuffer byteBuffer, char dataType) throws IOException { + switch(dataType) { + case 'Y': + return byteBuffer.getShort(); + case 'C': + return byteBuffer.get() == 1; + case 'I': + return byteBuffer.getInt(); + case 'F': + return byteBuffer.getFloat(); + case 'D': + return byteBuffer.getDouble(); + case 'L': + return byteBuffer.getLong(); + case 'R': + return getBytes(byteBuffer, (int) getUInt(byteBuffer)); + case 'S': + return new String(getBytes(byteBuffer, (int) getUInt(byteBuffer))); + case 'f': + return readArray(byteBuffer, 'f', 4); + case 'i': + return readArray(byteBuffer, 'i', 4); + case 'd': + return readArray(byteBuffer, 'd', 8); + case 'l': + return readArray(byteBuffer, 'l', 8); + case 'b': + return readArray(byteBuffer, 'b', 1); + case 'c': + return readArray(byteBuffer, 'c', 1); + } + throw new IOException("Unknown data type: " + dataType); + } + + private static Object readArray(ByteBuffer byteBuffer, char type, int bytes) throws IOException { + int count = (int) getUInt(byteBuffer); + int encoding = (int) getUInt(byteBuffer); + int length = (int) getUInt(byteBuffer); + + byte[] data = getBytes(byteBuffer, length); + if(encoding == 1) + data = inflate(data); + if(data.length != count * bytes) + throw new IOException("Wrong data lenght. Expected: " + count * bytes + ", got: " + data.length); + ByteBuffer dis = ByteBuffer.wrap(data).order(ByteOrder.LITTLE_ENDIAN); + switch(type) { + case 'f': + float[] arr = new float[count]; + for(int i = 0; i < count; ++i) + arr[i] = dis.getFloat(); + return arr; + case 'i': + int[] arr2 = new int[count]; + for(int i = 0; i < count; ++i) + arr2[i] = dis.getInt(); + return arr2; + case 'd': + double[] arr3 = new double[count]; + for(int i = 0; i < count; ++i) + arr3[i] = dis.getDouble(); + return arr3; + case 'l': + long[] arr4 = new long[count]; + for(int i = 0; i < count; ++i) + arr4[i] = dis.getLong(); + return arr4; + case 'b': + boolean[] arr5 = new boolean[count]; + for(int i = 0; i < count; ++i) + arr5[i] = dis.get() == 1; + return arr5; + case 'c': + int[] arr6 = new int[count]; + for(int i = 0; i < count; ++i) + arr6[i] = dis.get() & 0xFF; + return arr6; + } + throw new IOException("Unknown array data type: " + type); + } + + private static byte[] inflate(byte[] input) throws IOException { + InflaterInputStream gzis = new InflaterInputStream(new ByteArrayInputStream(input)); + ByteArrayOutputStream out = new ByteArrayOutputStream(); + byte[] buffer = new byte[1024]; + while(gzis.available() > 0) { + int l = gzis.read(buffer); + if(l > 0) + out.write(buffer, 0, l); + } + return out.toByteArray(); + } + + private static char readDataType(ByteBuffer byteBuffer) { + return (char) byteBuffer.get(); + } + + private static long getUInt(ByteBuffer byteBuffer) { + return byteBuffer.getInt() & 0x00000000ffffffffL; + } + + private static int getUByte(ByteBuffer byteBuffer) { + return byteBuffer.get() & 0xFF; + } + + private static byte[] getBytes(ByteBuffer byteBuffer, int size) { + byte[] b = new byte[size]; + byteBuffer.get(b); + return b; + } + + private static ByteBuffer readToByteBuffer(InputStream input) throws IOException { + ByteArrayOutputStream out = new ByteArrayOutputStream(2048); + byte[] tmp = new byte[2048]; + while(true) { + int r = input.read(tmp); + if(r == -1) + break; + out.write(tmp, 0, r); + } + return ByteBuffer.wrap(out.toByteArray()).order(ByteOrder.LITTLE_ENDIAN); + } +}