package test;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.RandomAccessFile;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.channels.Channels;
import java.nio.channels.FileChannel;
import java.nio.channels.WritableByteChannel;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class ConvertGeo
{
public static void main(String arg[]) throws IOException
{
convertGeo();
}
public static void convertGeo() throws IOException
{
File f = new File("C:/", "geodata");
if (!f.exists() || !f.isDirectory())
{
System.out.println("GeoEngine: Files missing, loading aborted.");
return;
}
int counter = 0;
Pattern p = Pattern.compile("(\\d{2}_\\d{2})\\.l2s");
for (File q : f.listFiles())
{
if (q.isDirectory())
{
continue;
}
String fn = q.getName();
Matcher m = p.matcher(fn);
if (m.matches())
{
fn = fn.substring(0, 5);
String[] xy = fn.split("_");
byte rx = Byte.parseByte(xy[0]);
byte ry = Byte.parseByte(xy[1]);
loadgeo(rx, ry);
counter++;
}
}
System.out.println("GeoEngine: Loaded " + counter + " map(s)");
}
public static void loadgeo(int x, int y) throws IOException
{
String fname = "geodata/" + x + "_" + y + ".l2s";
File geoFile = new File("C:/", fname);
try
{
@SuppressWarnings("resource")
FileChannel roChannel = new RandomAccessFile(geoFile, "r").getChannel();
int size = (int)roChannel.size() - 4;
ByteBuffer buf = ByteBuffer.allocate(size);
buf.limit(4);
byte[] addrBytes = "195.211.223.110".trim().getBytes();
int checkSum = -2126429781;
for (int addrByteIdx = 0; addrByteIdx < addrBytes.length; addrByteIdx++)
{
checkSum ^= addrBytes[addrByteIdx];
checkSum = checkSum >>> 1 | checkSum << 31;
}
buf.order(ByteOrder.LITTLE_ENDIAN);
roChannel.read(buf);
buf.rewind();
checkSum ^= buf.getInt();
byte xorByte = (byte)(checkSum >> 24 & 0xFF ^ checkSum >> 16 & 0xFF ^ checkSum >> 8 & 0xFF ^ checkSum >> 0 & 0xFF);
buf.clear();
roChannel.read(buf);
buf.rewind();
while (buf.hasRemaining())
{
buf.put(buf.position(), (byte)(buf.get() ^ xorByte));
checkSum -= (xorByte = buf.get(buf.position() - 1));
}
buf.rewind();
if (checkSum != 0)
{
System.out.println("Invalid geodata!");
}
OutputStream outputStream = new FileOutputStream("C:/geoconv/" + x + "_" + y + ".l2j");
writeBuffer(buf, outputStream);
outputStream.close();
}
catch (IOException e)
{
System.out.println(e);
}
}
public static void writeBuffer(ByteBuffer buffer, OutputStream stream) throws IOException
{
WritableByteChannel channel = Channels.newChannel(stream);
channel.write(buffer);
}
}
Вот накалякал. Кому надо - изменит под себя. Бегло пробежался по квадратам - хб старый, бенон и иное измерение новое.
Если у кого-то завалялся квадрат 19_25 скиньте пожалуйста =)
з.ы. куда кнопка спойлера делась?!
