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Minecraft mapping and rendering tool

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/* Copyright (c) 2010-2012 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.chunky.world;

import se.llbit.chunky.ui.ProgressTracker;

import java.util.Collection;

/**
 * A job for deleting selected chunks.
 *
 * @author Jesper Öqvist 
 */
public class DeleteChunksJob extends Thread {

  private World world;
  private Collection selected;
  private ProgressTracker progress;

  public DeleteChunksJob(World world, Collection selected,
      ProgressTracker progress) {
    this.world = world;
    this.selected = selected;
    this.progress = progress;
  }

  @Override public void run() {
    if (progress.tryStartJob()) {
      progress.setJobName("Deleting chunks");
      progress.setJobSize(selected.size());
      int ndeleted = 0;
      for (ChunkPosition pos : selected) {
        if (progress.isInterrupted())
          break;
        Region region = world.getRegion(pos.getRegionPosition());
        region.deleteChunk(pos);
        progress.setProgress(++ndeleted);
      }
      progress.finishJob();
    }
  }

}