public WZIMGFile(File wzfile, WZFileEntry file, boolean provideImages, boolean modernImg)
throws IOException {
RandomAccessFile raf = new RandomAccessFile(wzfile, "r");
SeekableLittleEndianAccessor slea =
new GenericSeekableLittleEndianAccessor(new RandomAccessByteStream(raf));
slea.seek(file.getOffset());
this.file = file;
this.provideImages = provideImages;
root = new WZIMGEntry(file.getParent());
root.setName(file.getName());
root.setType(MapleDataType.EXTENDED);
this.modernImg = modernImg;
parseExtended(root, slea, 0);
root.finish();
raf.close();
}
private void parse(WZIMGEntry entry, SeekableLittleEndianAccessor slea) {
byte marker = slea.readByte();
switch (marker) {
case 0:
{
String name = WZTool.readDecodedString(slea);
entry.setName(name);
break;
}
case 1:
{
String name =
WZTool.readDecodedStringAtOffsetAndReset(slea, file.getOffset() + slea.readInt());
entry.setName(name);
break;
}
default:
System.out.println(
"Unknown Image identifier: "
+ marker
+ " at offset "
+ (slea.getPosition() - file.getOffset()));
}
marker = slea.readByte();
switch (marker) {
case 0:
entry.setType(MapleDataType.IMG_0x00);
break;
case 2:
case 11: // ??? no idea, since 0.49
entry.setType(MapleDataType.SHORT);
entry.setData(Short.valueOf(slea.readShort()));
break;
case 3:
entry.setType(MapleDataType.INT);
entry.setData(Integer.valueOf(WZTool.readValue(slea)));
break;
case 4:
entry.setType(MapleDataType.FLOAT);
entry.setData(Float.valueOf(WZTool.readFloatValue(slea)));
break;
case 5:
entry.setType(MapleDataType.DOUBLE);
entry.setData(Double.valueOf(slea.readDouble()));
break;
case 8:
entry.setType(MapleDataType.STRING);
byte iMarker = slea.readByte();
if (iMarker == 0) {
entry.setData(WZTool.readDecodedString(slea));
} else if (iMarker == 1) {
entry.setData(
WZTool.readDecodedStringAtOffsetAndReset(slea, slea.readInt() + file.getOffset()));
} else {
System.out.println("Unknown String type " + iMarker);
}
break;
case 9:
entry.setType(MapleDataType.EXTENDED);
long endOfExtendedBlock = slea.readInt();
endOfExtendedBlock += slea.getPosition();
parseExtended(entry, slea, endOfExtendedBlock);
break;
default:
System.out.println("Unknown Image type " + marker);
}
}
private void parseExtended(
WZIMGEntry entry, SeekableLittleEndianAccessor slea, long endOfExtendedBlock) {
byte marker = slea.readByte();
String type;
switch (marker) {
case 0x73:
type = WZTool.readDecodedString(slea);
break;
case 0x1B:
type = WZTool.readDecodedStringAtOffsetAndReset(slea, file.getOffset() + slea.readInt());
break;
default:
throw new RuntimeException(
"Unknown extended image identifier: "
+ marker
+ " at offset "
+ (slea.getPosition() - file.getOffset()));
}
if (type.equals("Property")) {
entry.setType(MapleDataType.PROPERTY);
slea.readByte();
slea.readByte();
int children = WZTool.readValue(slea);
for (int i = 0; i < children; i++) {
WZIMGEntry cEntry = new WZIMGEntry(entry);
parse(cEntry, slea);
cEntry.finish();
entry.addChild(cEntry);
}
} else if (type.equals("Canvas")) {
entry.setType(MapleDataType.CANVAS);
slea.readByte();
marker = slea.readByte();
if (marker == 0) {
// do nothing
} else if (marker == 1) {
slea.readByte();
slea.readByte();
int children = WZTool.readValue(slea);
for (int i = 0; i < children; i++) {
WZIMGEntry child = new WZIMGEntry(entry);
parse(child, slea);
child.finish();
entry.addChild(child);
}
} else {
System.out.println("Canvas marker != 1 (" + marker + ")");
}
int width = WZTool.readValue(slea);
int height = WZTool.readValue(slea);
int format = WZTool.readValue(slea);
int format2 = slea.readByte();
slea.readInt();
int dataLength = slea.readInt() - 1;
slea.readByte();
if (provideImages) {
byte[] pngdata = slea.read(dataLength);
entry.setData(new PNGMapleCanvas(width, height, dataLength, format + format2, pngdata));
} else {
entry.setData(new PNGMapleCanvas(width, height, dataLength, format + format2, null));
slea.skip(dataLength);
}
} else if (type.equals("Shape2D#Vector2D")) {
entry.setType(MapleDataType.VECTOR);
int x = WZTool.readValue(slea);
int y = WZTool.readValue(slea);
entry.setData(new Point(x, y));
} else if (type.equals("Shape2D#Convex2D")) {
int children = WZTool.readValue(slea);
for (int i = 0; i < children; i++) {
WZIMGEntry cEntry = new WZIMGEntry(entry);
parseExtended(cEntry, slea, 0);
cEntry.finish();
entry.addChild(cEntry);
}
} else if (type.equals("Sound_DX8")) {
entry.setType(MapleDataType.SOUND);
slea.readByte();
int dataLength = WZTool.readValue(slea);
WZTool.readValue(slea); // no clue what this is
int offset = (int) slea.getPosition();
entry.setData(new ImgMapleSound(dataLength, offset - file.getOffset()));
slea.seek(endOfExtendedBlock);
} else if (type.equals("UOL")) {
entry.setType(MapleDataType.UOL);
slea.readByte();
byte uolmarker = slea.readByte();
switch (uolmarker) {
case 0:
entry.setData(WZTool.readDecodedString(slea));
break;
case 1:
entry.setData(
WZTool.readDecodedStringAtOffsetAndReset(slea, file.getOffset() + slea.readInt()));
break;
default:
System.out.println("Unknown UOL marker: " + uolmarker + " " + entry.getName());
}
} else {
throw new RuntimeException("Unhandeled extended type: " + type);
}
}
