/*
* WorldEdit, a Minecraft world manipulation toolkit
* Copyright (C) sk89q <http://www.sk89q.com>
* Copyright (C) WorldEdit team and contributors
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.sk89q.worldedit.command.tool.brush;
import com.sk89q.worldedit.EditSession;
import com.sk89q.worldedit.function.pattern.Pattern;
import com.sk89q.worldedit.internal.LocalWorldAdapter;
import com.sk89q.worldedit.math.convolution.HeightMap;
import com.sk89q.worldedit.MaxChangedBlocksException;
import com.sk89q.worldedit.Vector;
import com.sk89q.worldedit.WorldVector;
import com.sk89q.worldedit.math.convolution.GaussianKernel;
import com.sk89q.worldedit.math.convolution.HeightMapFilter;
import com.sk89q.worldedit.regions.CuboidRegion;
import com.sk89q.worldedit.regions.Region;
public class SmoothBrush implements Brush {
private int iterations;
private boolean naturalOnly;
public SmoothBrush(int iterations) {
this(iterations, false);
}
public SmoothBrush(int iterations, boolean naturalOnly) {
this.iterations = iterations;
this.naturalOnly = naturalOnly;
}
@Override
public void build(EditSession editSession, Vector position, Pattern pattern, double size) throws MaxChangedBlocksException {
WorldVector min = new WorldVector(LocalWorldAdapter.adapt(editSession.getWorld()), position.subtract(size, size, size));
Vector max = position.add(size, size + 10, size);
Region region = new CuboidRegion(editSession.getWorld(), min, max);
HeightMap heightMap = new HeightMap(editSession, region, naturalOnly);
HeightMapFilter filter = new HeightMapFilter(new GaussianKernel(5, 1.0));
heightMap.applyFilter(filter, iterations);
}
}