se.llbit.nbt.test.SeedTool Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of chunky-core

Minecraft mapping and rendering tool

There is a newer version: 1.4.5

/* Copyright (c) 2010 Jesper Öqvist 
 *
 * 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 .
 */
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;

public class SeedTool {

  public static void main(String[] args) throws IOException {

    if (args.length < 3) {
      System.out.println("arguments:   ");
      System.exit(0);
    }

    String fn = args[0];
    Long seed = Long.parseLong(args[1]);
      System.out.println("loading save: " + fn);
    try (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);
      try (DataOutputStream out =
          new DataOutputStream(new GZIPOutputStream(new FileOutputStream(args[2])))) {
        tag.write(out);
      }
      System.out.println("done");
    }
  }
}