/*
* 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.mask;
import com.sk89q.worldedit.extent.Extent;
import com.sk89q.worldedit.Vector;
import com.sk89q.worldedit.blocks.BaseBlock;
import javax.annotation.Nullable;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* A mask that checks whether blocks at the given positions are matched by
* a block in a list.
*
* <p>This mask checks for both an exact block ID and data value match, as well
* for a block with the same ID but a data value of -1.</p>
*/
public class BlockMask extends AbstractExtentMask {
private final Set<BaseBlock> blocks = new HashSet<BaseBlock>();
/**
* Create a new block mask.
*
* @param extent the extent
* @param blocks a list of blocks to match
*/
public BlockMask(Extent extent, Collection<BaseBlock> blocks) {
super(extent);
checkNotNull(blocks);
this.blocks.addAll(blocks);
}
/**
* Create a new block mask.
*
* @param extent the extent
* @param block an array of blocks to match
*/
public BlockMask(Extent extent, BaseBlock... block) {
this(extent, Arrays.asList(checkNotNull(block)));
}
/**
* Add the given blocks to the list of criteria.
*
* @param blocks a list of blocks
*/
public void add(Collection<BaseBlock> blocks) {
checkNotNull(blocks);
this.blocks.addAll(blocks);
}
/**
* Add the given blocks to the list of criteria.
*
* @param block an array of blocks
*/
public void add(BaseBlock... block) {
add(Arrays.asList(checkNotNull(block)));
}
/**
* Get the list of blocks that are tested with.
*
* @return a list of blocks
*/
public Collection<BaseBlock> getBlocks() {
return blocks;
}
@Override
public boolean test(Vector vector) {
BaseBlock block = getExtent().getBlock(vector);
return blocks.contains(block) || blocks.contains(new BaseBlock(block.getType(), -1));
}
@Nullable
@Override
public Mask2D toMask2D() {
return null;
}
}