/* Copyright (c) 2010 Jesper Öqvist <jesper@llbit.se>
*
* This file is part of Chunky.
*
* Chunky is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Chunky is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with Chunky. If not, see <http://www.gnu.org/licenses/>.
*/
package se.llbit.nbt.test;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.GZIPInputStream;
import java.util.zip.GZIPOutputStream;
import se.llbit.nbt.AnyTag;
import se.llbit.nbt.LongTag;
import se.llbit.nbt.NamedTag;
@SuppressWarnings("javadoc")
public class SeedTool {
public static void main(String[] args) {
if (args.length < 3) {
System.out.println("arguments: <level.dat> <new seed> <output file>");
System.exit(0);
}
String fn = args[0];
Long seed = Long.parseLong(args[1]);
try {
System.out.println("loading save: "+fn);
DataInputStream in = new DataInputStream(new GZIPInputStream(new FileInputStream(fn)));
AnyTag tag = NamedTag.read(in);
LongTag seedTag = (LongTag) tag.unpack().get("Data").get("RandomSeed");
seedTag.setData(seed);
DataOutputStream out = new DataOutputStream(new GZIPOutputStream(new FileOutputStream(args[2])));
tag.write(out);
out.close();
System.out.println("done");
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}