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227
src/main/java/provider/wz/WZIMGFile.java
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227
src/main/java/provider/wz/WZIMGFile.java
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/*
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This file is part of the OdinMS Maple Story Server
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Copyright (C) 2008 Patrick Huy <patrick.huy@frz.cc>
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Matthias Butz <matze@odinms.de>
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Jan Christian Meyer <vimes@odinms.de>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation version 3 as published by
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the Free Software Foundation. You may not use, modify or distribute
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this program under any other version of the GNU Affero General Public
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License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package provider.wz;
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import java.awt.Point;
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import java.io.DataOutputStream;
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import java.io.File;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.io.RandomAccessFile;
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import tools.data.input.GenericSeekableLittleEndianAccessor;
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import tools.data.input.RandomAccessByteStream;
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import tools.data.input.SeekableLittleEndianAccessor;
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public class WZIMGFile {
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private WZFileEntry file;
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private WZIMGEntry root;
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private boolean provideImages;
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@SuppressWarnings ("unused")
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private boolean modernImg;
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public WZIMGFile(File wzfile, WZFileEntry file, boolean provideImages, boolean modernImg) throws IOException {
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RandomAccessFile raf = new RandomAccessFile(wzfile, "r");
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SeekableLittleEndianAccessor slea = new GenericSeekableLittleEndianAccessor(new RandomAccessByteStream(raf));
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slea.seek(file.getOffset());
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this.file = file;
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this.provideImages = provideImages;
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root = new WZIMGEntry(file.getParent());
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root.setName(file.getName());
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root.setType(MapleDataType.EXTENDED);
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this.modernImg = modernImg;
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parseExtended(root, slea, 0);
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root.finish();
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raf.close();
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}
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protected void dumpImg(OutputStream out, SeekableLittleEndianAccessor slea) throws IOException {
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DataOutputStream os = new DataOutputStream(out);
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long oldPos = slea.getPosition();
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slea.seek(file.getOffset());
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for (int x = 0; x < file.getSize(); x++) {
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os.write(slea.readByte());
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}
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slea.seek(oldPos);
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}
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public WZIMGEntry getRoot() {
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return root;
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}
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private void parse(WZIMGEntry entry, SeekableLittleEndianAccessor slea) {
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byte marker = slea.readByte();
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switch (marker) {
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case 0: {
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String name = WZTool.readDecodedString(slea);
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entry.setName(name);
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break;
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}
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case 1: {
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String name = WZTool.readDecodedStringAtOffsetAndReset(slea, file.getOffset() + slea.readInt());
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entry.setName(name);
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break;
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}
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default:
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System.out.println("Unknown Image identifier: " + marker + " at offset " + (slea.getPosition() - file.getOffset()));
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}
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marker = slea.readByte();
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switch (marker) {
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case 0:
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entry.setType(MapleDataType.IMG_0x00);
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break;
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case 2:
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case 11: //??? no idea, since 0.49
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entry.setType(MapleDataType.SHORT);
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entry.setData(Short.valueOf(slea.readShort()));
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break;
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case 3:
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entry.setType(MapleDataType.INT);
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entry.setData(Integer.valueOf(WZTool.readValue(slea)));
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break;
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case 4:
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entry.setType(MapleDataType.FLOAT);
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entry.setData(Float.valueOf(WZTool.readFloatValue(slea)));
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break;
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case 5:
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entry.setType(MapleDataType.DOUBLE);
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entry.setData(Double.valueOf(slea.readDouble()));
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break;
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case 8:
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entry.setType(MapleDataType.STRING);
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byte iMarker = slea.readByte();
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if (iMarker == 0) {
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entry.setData(WZTool.readDecodedString(slea));
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} else if (iMarker == 1) {
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entry.setData(WZTool.readDecodedStringAtOffsetAndReset(slea, slea.readInt() + file.getOffset()));
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} else {
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System.out.println("Unknown String type " + iMarker);
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}
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break;
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case 9:
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entry.setType(MapleDataType.EXTENDED);
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long endOfExtendedBlock = slea.readInt();
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endOfExtendedBlock += slea.getPosition();
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parseExtended(entry, slea, endOfExtendedBlock);
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break;
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default:
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System.out.println("Unknown Image type " + marker);
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}
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}
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private void parseExtended(WZIMGEntry entry, SeekableLittleEndianAccessor slea, long endOfExtendedBlock) {
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byte marker = slea.readByte();
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String type;
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switch (marker) {
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case 0x73:
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type = WZTool.readDecodedString(slea);
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break;
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case 0x1B:
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type = WZTool.readDecodedStringAtOffsetAndReset(slea, file.getOffset() + slea.readInt());
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break;
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default:
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throw new RuntimeException("Unknown extended image identifier: " + marker + " at offset " +
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(slea.getPosition() - file.getOffset()));
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}
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if (type.equals("Property")) {
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entry.setType(MapleDataType.PROPERTY);
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slea.readByte();
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slea.readByte();
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int children = WZTool.readValue(slea);
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for (int i = 0; i < children; i++) {
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WZIMGEntry cEntry = new WZIMGEntry(entry);
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parse(cEntry, slea);
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cEntry.finish();
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entry.addChild(cEntry);
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}
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} else if (type.equals("Canvas")) {
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entry.setType(MapleDataType.CANVAS);
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slea.readByte();
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marker = slea.readByte();
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if (marker == 0) {
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// do nothing
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} else if (marker == 1) {
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slea.readByte();
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slea.readByte();
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int children = WZTool.readValue(slea);
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for (int i = 0; i < children; i++) {
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WZIMGEntry child = new WZIMGEntry(entry);
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parse(child, slea);
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child.finish();
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entry.addChild(child);
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}
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} else {
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System.out.println("Canvas marker != 1 (" + marker + ")");
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}
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int width = WZTool.readValue(slea);
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int height = WZTool.readValue(slea);
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int format = WZTool.readValue(slea);
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int format2 = slea.readByte();
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slea.readInt();
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int dataLength = slea.readInt() - 1;
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slea.readByte();
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if (provideImages) {
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byte[] pngdata = slea.read(dataLength);
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entry.setData(new PNGMapleCanvas(width, height, dataLength, format + format2, pngdata));
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} else {
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entry.setData(new PNGMapleCanvas(width, height, dataLength, format + format2, null));
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slea.skip(dataLength);
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}
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} else if (type.equals("Shape2D#Vector2D")) {
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entry.setType(MapleDataType.VECTOR);
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int x = WZTool.readValue(slea);
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int y = WZTool.readValue(slea);
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entry.setData(new Point(x, y));
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} else if (type.equals("Shape2D#Convex2D")) {
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int children = WZTool.readValue(slea);
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for (int i = 0; i < children; i++) {
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WZIMGEntry cEntry = new WZIMGEntry(entry);
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parseExtended(cEntry, slea, 0);
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cEntry.finish();
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entry.addChild(cEntry);
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}
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} else if (type.equals("Sound_DX8")) {
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entry.setType(MapleDataType.SOUND);
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slea.readByte();
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int dataLength = WZTool.readValue(slea);
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WZTool.readValue(slea); // no clue what this is
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int offset = (int) slea.getPosition();
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entry.setData(new ImgMapleSound(dataLength, offset - file.getOffset()));
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slea.seek(endOfExtendedBlock);
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} else if (type.equals("UOL")) {
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entry.setType(MapleDataType.UOL);
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slea.readByte();
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byte uolmarker = slea.readByte();
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switch (uolmarker) {
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case 0:
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entry.setData(WZTool.readDecodedString(slea));
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break;
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case 1:
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entry.setData(WZTool.readDecodedStringAtOffsetAndReset(slea, file.getOffset() + slea.readInt()));
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break;
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default:
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System.out.println("Unknown UOL marker: " + uolmarker + " " + entry.getName());
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}
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} else {
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throw new RuntimeException("Unhandled extended type: " + type);
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}
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}
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}
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