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https://github.com/lax1dude/eagler-binary-tools.git
synced 2024-10-05 20:05:59 -07:00
Implement PNG to/from EBP converter
This commit is contained in:
lax1dude
parent
62e8cd6618
commit
475df84405
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@ -0,0 +1,116 @@
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package net.lax1dude.eaglercraft.bintools;
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import java.awt.image.BufferedImage;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import javax.imageio.ImageIO;
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/**
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* Copyright (c) 2023-2024 lax1dude. All Rights Reserved.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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public class EBPFileDecoder {
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private static int getFromBits(int idxx, int bits, byte[] bytes) {
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int startByte = idxx >> 3;
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int endByte = (idxx + bits - 1) >> 3;
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if(startByte == endByte) {
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return (((int)bytes[startByte] & 0xff) >> (8 - (idxx & 7) - bits)) & ((1 << bits) - 1);
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}else {
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return (((((int)bytes[startByte] & 0xff) << 8) | ((int)bytes[endByte] & 0xff)) >> (16 - (idxx & 7) - bits)) & ((1 << bits) - 1);
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}
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}
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public static void _main(String[] args) throws IOException {
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if(args.length == 1) {
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File input = new File(args[0]);
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if(!input.isDirectory()) {
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System.err.println("Error: Not a directory: " + input.getAbsolutePath());
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System.exit(-1);
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return;
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}
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File[] f = input.listFiles();
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for(int i = 0; i < f.length; ++i) {
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String name = f[i].getAbsolutePath();
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if(!name.toLowerCase().endsWith(".ebp")) {
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continue;
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}
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File ff = new File(name.substring(0, name.length() - 3) + "png");
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System.out.println(f[i].getName());
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BufferedImage img;
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try(InputStream is = new FileInputStream(f[i])) {
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img = read(is);
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}
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ImageIO.write(img, "PNG", ff);
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}
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}else if(args.length == 2) {
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System.out.println("Reading input file...");
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BufferedImage img;
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try(InputStream is = new FileInputStream(new File(args[0]))) {
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img = read(is);
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}
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File output = new File(args[1]);
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System.out.println("Writing PNG: " + output.getAbsolutePath());
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ImageIO.write(img, "PNG", output);
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}else {
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System.out.println("Usage: ebp-decode <input file> <output file>");
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System.out.println(" ebp-decode <directory>");
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}
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}
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public static BufferedImage read(InputStream is) throws IOException {
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if(is.read() != '%' || is.read() != 'E' || is.read() != 'B' || is.read() != 'P') {
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throw new IOException("Not an EBP file!");
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}
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int v = is.read();
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if(v != 1) {
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throw new IOException("Unknown EBP version: " + v);
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}
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v = is.read();
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if(v != 3) {
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throw new IOException("Invalid component count: " + v);
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}
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int w = is.read() | (is.read() << 8);
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int h = is.read() | (is.read() << 8);
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BufferedImage img = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
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v = is.read();
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if(v == 0) {
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for(int i = 0, l = w * h; i < l; ++i) {
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img.setRGB(i % w, i / w, (is.read() << 16) | (is.read() << 8) | is.read() | 0xFF000000);
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}
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}else if(v == 1) {
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int paletteSize = is.read();
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int[] palette = new int[paletteSize + 1];
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palette[0] = 0xFF000000;
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for(int i = 0; i < paletteSize; ++i) {
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palette[i + 1] = (is.read() << 16) | (is.read() << 8) | is.read() | 0xFF000000;
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}
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int bpp = is.read();
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byte[] readSet = new byte[is.read() | (is.read() << 8) | (is.read() << 16)];
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is.read(readSet);
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for(int i = 0, l = w * h; i < l; ++i) {
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img.setRGB(i % w, i / w, palette[getFromBits(i * bpp, bpp, readSet)]);
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}
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}else {
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throw new IOException("Unknown EBP storage type: " + v);
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}
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if(is.read() != ':' || is.read() != '>') {
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throw new IOException("Invalid footer! (:>)");
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}
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return img;
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}
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}
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@ -0,0 +1,144 @@
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package net.lax1dude.eaglercraft.bintools;
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import java.awt.image.BufferedImage;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.Set;
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import javax.imageio.ImageIO;
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/**
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* Copyright (c) 2023-2024 lax1dude. All Rights Reserved.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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public class EBPFileEncoder {
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private static final int[] paletteHelper = new int[0xFFFFFF + 1];
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private static void setBit(int idx, boolean v, byte[] bytes) {
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int idx2 = idx >> 3;
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if(v) {
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bytes[idx2] |= (1 << (7 - (idx & 7)));
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}else {
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bytes[idx2] &= (-1 ^ (1 << (7 - (idx & 7))));
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}
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}
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public static void _main(String[] args) throws IOException {
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if(args.length == 1) {
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File input = new File(args[0]);
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if(!input.isDirectory()) {
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System.err.println("Error: Not a directory: " + input.getAbsolutePath());
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System.exit(-1);
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return;
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}
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File[] f = input.listFiles();
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for(int i = 0; i < f.length; ++i) {
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String name = f[i].getAbsolutePath();
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if(!name.toLowerCase().endsWith(".png")) {
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continue;
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}
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File ff = new File(name.substring(0, name.length() - 3) + "ebp");
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System.out.println(f[i].getName());
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try(OutputStream os = new FileOutputStream(ff)) {
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write(ImageIO.read(f[i]), os);
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}
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}
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}else if(args.length == 2) {
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System.out.println("Reading input file...");
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BufferedImage img = ImageIO.read(new File(args[0]));
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File output = new File(args[1]);
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System.out.println("Encoding EBP: " + output.getAbsolutePath());
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try(OutputStream os = new FileOutputStream(output)) {
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write(img, os);
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}
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}else {
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System.out.println("Usage: ebp-encode <input file> <output file>");
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System.out.println(" ebp-encode <directory>");
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}
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}
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public static void write(BufferedImage img, OutputStream fos) throws IOException {
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fos.write(new byte[] { '%', 'E', 'B', 'P'});
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fos.write(1); // v1
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fos.write(3); // 3 component
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int w = img.getWidth();
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int h = img.getHeight();
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fos.write(w & 0xFF);
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fos.write((w >> 8) & 0xFF);
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fos.write(h & 0xFF);
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fos.write((h >> 8) & 0xFF);
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int[] pixels = img.getRGB(0, 0, w, h, null, 0, w);
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Set<Integer> colorPalette = new HashSet();
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for(int i = 0; i < pixels.length; ++i) {
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if((pixels[i] & 0xFF000000) == 0) {
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pixels[i] = 0;
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}else {
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pixels[i] &= 0xFFFFFF;
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}
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if(pixels[i] == 0) {
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continue;
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}
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colorPalette.add(pixels[i]);
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}
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if(colorPalette.size() > 255) {
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fos.write(0); // type is no palette
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for(int i = 0; i < pixels.length; ++i) {
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fos.write((pixels[i] >> 16) & 0xFF);
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fos.write((pixels[i] >> 8) & 0xFF);
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fos.write(pixels[i] & 0xFF);
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}
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}else {
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fos.write(1); // type is palette
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fos.write(colorPalette.size()); // write palette size
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Iterator<Integer> paletteItr = colorPalette.iterator();
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int paletteIdx = 0;
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paletteHelper[0] = 0;
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while(paletteItr.hasNext()) {
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int j = paletteItr.next().intValue();
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paletteHelper[j] = ++paletteIdx;
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fos.write((j >> 16) & 0xFF);
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fos.write((j >> 8) & 0xFF);
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fos.write(j & 0xFF);
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}
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int bpp = 1;
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while((paletteIdx >> bpp) != 0) {
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++bpp;
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}
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fos.write(bpp); // write bpp
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int totalBits = pixels.length * bpp;
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byte[] completedBitSet = new byte[(totalBits & 7) == 0 ? (totalBits >> 3) : ((totalBits >> 3) + 1)];
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int bsi = 0;
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for(int i = 0; i < pixels.length; ++i) {
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int wr = paletteHelper[pixels[i]];
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for(int j = bpp - 1; j >= 0; --j) {
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setBit(bsi++, ((wr >> j) & 1) != 0, completedBitSet);
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}
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}
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fos.write(completedBitSet.length & 0xFF); // write expect length (as 24 bits not 32)
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fos.write((completedBitSet.length >> 8) & 0xFF);
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fos.write((completedBitSet.length >> 16) & 0xFF);
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fos.write(completedBitSet); // write the bits
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}
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fos.write(new byte[] { ':', '>' });
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}
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}
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@ -26,10 +26,13 @@ public class EaglerBinaryTools {
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System.arraycopy(args, 1, argz, 0, argz.length);
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switch(args[0].toLowerCase()) {
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case "epkcompiler":
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case "epkcompile":
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EPKCompiler._main(argz);
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return;
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case "legacy-epkcompiler":
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case "legacyepkcompiler":
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case "legacy-epkcompile":
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case "legacyepkcompile":
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EPKCompilerLegacy._main(argz);
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return;
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case "epkdecompiler":
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@ -46,13 +49,22 @@ public class EaglerBinaryTools {
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return;
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case "ebp-encode":
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case "ebpencode":
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case "ebp-encoder":
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case "ebpencoder":
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EBPFileEncoder._main(argz);
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return;
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case "ebp-decode":
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case "ebpdecode":
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case "ebp-decoder":
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case "ebpdecoder":
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EBPFileDecoder._main(argz);
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return;
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case "skybox-gen":
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case "skyboxgen":
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return;
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case "light-mesh-gen":
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case "lightmeshgen":
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return;
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case "eagler-moon-gen":
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case "eaglermoongen":
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return;
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@ -46,7 +46,7 @@ public class OBJConverter {
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}
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}
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File output = new File(args[1]);
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System.out.println("Exporting MDL: " + output.getAbsolutePath());
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System.out.println("Exporting " + (v1_8 ? "1.8" : "1.5") + " MDL: " + output.getAbsolutePath());
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boolean tex = args[2].equalsIgnoreCase("true") || args[2].equals("1");
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try(FileOutputStream fs = new FileOutputStream(output)) {
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convertModel(lns, fs, tex, v1_8);
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