/*
* 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.function.block;
import com.sk89q.worldedit.extent.Extent;
import com.sk89q.worldedit.Vector;
import com.sk89q.worldedit.WorldEditException;
import com.sk89q.worldedit.blocks.BaseBlock;
import com.sk89q.worldedit.function.RegionFunction;
import com.sk89q.worldedit.math.transform.Transform;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* Copies blocks from one extent to another.
*/
public class ExtentBlockCopy implements RegionFunction {
private final Extent source;
private final Extent destination;
private final Vector from;
private final Vector to;
private final Transform transform;
/**
* Make a new copy.
*
* @param source the source extent
* @param from the source offset
* @param destination the destination extent
* @param to the destination offset
* @param transform a transform to apply to positions (after source offset, before destination offset)
*/
public ExtentBlockCopy(Extent source, Vector from, Extent destination, Vector to, Transform transform) {
checkNotNull(source);
checkNotNull(from);
checkNotNull(destination);
checkNotNull(to);
checkNotNull(transform);
this.source = source;
this.from = from;
this.destination = destination;
this.to = to;
this.transform = transform;
}
@Override
public boolean apply(Vector position) throws WorldEditException {
BaseBlock block = source.getBlock(position);
Vector orig = position.subtract(from);
Vector transformed = transform.apply(orig);
return destination.setBlock(transformed.add(to), block);
}
}