Package se.llbit.chunky.map

Source Code of se.llbit.chunky.map.UnknownLayer

/* Copyright (c) 2014 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.chunky.map;

import java.awt.Graphics;

import se.llbit.chunky.resources.MiscImages;
import se.llbit.chunky.world.ChunkView;
import se.llbit.util.ImageTools;

/**
* Represents an unknown chunk (not parsed/loaded).
* @author Jesper Öqvist <jesper@llbit.se>
*/
public class UnknownLayer extends AbstractLayer {

  /**
   * Singleton instance.
   */
  public static final UnknownLayer INSTANCE = new UnknownLayer();

  private UnknownLayer() {
  }

  @Override
  public synchronized void render(MapBuffer rbuff, int cx, int cz) {
    ChunkView view = rbuff.getView();
    int x0 = view.chunkScale * (cx - view.px0);
    int z0 = view.chunkScale * (cz - view.pz0);

    if (view.chunkScale == 1) {
      rbuff.setRGB(x0, z0, averageColor);
    } else {
      Graphics g = rbuff.getGraphics();
      g.drawImage(MiscImages.load, x0, z0,
          view.chunkScale, view.chunkScale, null);
    }
  }

  private final int averageColor = ImageTools.calcAvgColor(MiscImages.load);

  @Override
  public int getAvgColor() {
    return averageColor;
  }
}
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