/*
* 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.pattern;
import com.sk89q.worldedit.Vector;
import com.sk89q.worldedit.blocks.BaseBlock;
import com.sk89q.worldedit.extent.Extent;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* Returns the blocks from {@link Extent}, repeating when out of bounds.
*/
public class RepeatingExtentPattern extends AbstractPattern {
private Extent extent;
private Vector offset;
/**
* Create a new instance.
*
* @param extent the extent
* @param offset the offset
*/
public RepeatingExtentPattern(Extent extent, Vector offset) {
setExtent(extent);
setOffset(offset);
}
/**
* Get the extent.
*
* @return the extent
*/
public Extent getExtent() {
return extent;
}
/**
* Set the extent.
*
* @param extent the extent
*/
public void setExtent(Extent extent) {
checkNotNull(extent);
this.extent = extent;
}
/**
* Get the offset.
*
* @return the offset
*/
public Vector getOffset() {
return offset;
}
/**
* Set the offset.
*
* @param offset the offset
*/
public void setOffset(Vector offset) {
checkNotNull(offset);
this.offset = offset;
}
@Override
public BaseBlock apply(Vector position) {
Vector base = position.add(offset);
Vector size = extent.getMaximumPoint().subtract(extent.getMinimumPoint()).add(1, 1, 1);
int x = base.getBlockX() % size.getBlockX();
int y = base.getBlockY() % size.getBlockY();
int z = base.getBlockZ() % size.getBlockZ();
return extent.getBlock(new Vector(x, y, z));
}
}