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Blazingly fast Minecraft world manipulation for artists, builders and everyone else.

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/*
 * WorldEdit, a Minecraft world manipulation toolkit
 * Copyright (C) sk89q 
 * 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 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */

package com.sk89q.worldedit.world.block;

import com.sk89q.worldedit.WorldEdit;
import com.sk89q.worldedit.extension.platform.Capability;
import com.sk89q.worldedit.registry.Category;
import com.sk89q.worldedit.registry.Keyed;
import com.sk89q.worldedit.registry.NamespacedRegistry;

import java.util.Set;

/**
 * A category of blocks. This is due to the splitting up of
 * blocks such as wool into separate ids.
 */
public class BlockCategory extends Category implements Keyed {

    //FAWE start
    private boolean[] flatMap;
    //FAWE end
    public static final NamespacedRegistry REGISTRY = new NamespacedRegistry<>("block tag");

    public BlockCategory(final String id) {
        super(id);
    }

    @Override
    protected Set load() {
        Set result = WorldEdit.getInstance().getPlatformManager()
                .queryCapability(Capability.GAME_HOOKS).getRegistries()
                .getBlockCategoryRegistry().getAll(this);

        //FAWE start
        int max = -1;
        for (BlockType type : result) {
            max = Math.max(max, type.getInternalId());
        }
        this.flatMap = new boolean[max + 1];
        for (BlockType type : result) {
            this.flatMap[type.getInternalId()] = true;
        }
        return result;
        //FAWE end
    }

    /**
     * Checks whether the BlockStateHolder is contained within
     * this category.
     *
     * @param blockStateHolder The blockstateholder
     * @return If it's a part of this category
     */
    public > boolean contains(B blockStateHolder) {
        //FAWE start - use internal id
        int typeId = blockStateHolder.getBlockType().getInternalId();
        return flatMap.length > typeId && flatMap[typeId];
        //FAWE end
    }

}