001/*
002 * PlotSquared, a land and world management plugin for Minecraft.
003 * Copyright (C) IntellectualSites <https://intellectualsites.com>
004 * Copyright (C) IntellectualSites team and contributors
005 *
006 * This program is free software: you can redistribute it and/or modify
007 * it under the terms of the GNU General Public License as published by
008 * the Free Software Foundation, either version 3 of the License, or
009 * (at your option) any later version.
010 *
011 * This program is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014 * GNU General Public License for more details.
015 *
016 * You should have received a copy of the GNU General Public License
017 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
018 */
019package com.plotsquared.core.util;
020
021import com.sk89q.worldedit.WorldEdit;
022import com.sk89q.worldedit.extension.input.InputParseException;
023import com.sk89q.worldedit.extension.input.ParserContext;
024import com.sk89q.worldedit.internal.registry.InputParser;
025import com.sk89q.worldedit.world.block.BaseBlock;
026import com.sk89q.worldedit.world.block.BlockState;
027import com.sk89q.worldedit.world.block.BlockType;
028import com.sk89q.worldedit.world.block.BlockTypes;
029import com.sk89q.worldedit.world.block.FuzzyBlockState;
030import com.sk89q.worldedit.world.registry.LegacyMapper;
031import org.checkerframework.checker.nullness.qual.NonNull;
032import org.checkerframework.checker.nullness.qual.Nullable;
033
034import java.util.List;
035
036/**
037 * {@link BlockState} related utility methods
038 */
039public final class BlockUtil {
040
041    private static final ParserContext PARSER_CONTEXT = new ParserContext();
042    private static final InputParser<BaseBlock> PARSER;
043
044    static {
045        PARSER_CONTEXT.setRestricted(false);
046        PARSER_CONTEXT.setPreferringWildcard(false);
047        PARSER_CONTEXT.setTryLegacy(true);
048        List<InputParser<BaseBlock>> parsers = WorldEdit.getInstance().getBlockFactory().getParsers();
049        PARSER = parsers.get(parsers.size() - 1); // Default parser is always at the end
050    }
051
052    private BlockUtil() {
053    }
054
055    /**
056     * Get a {@link BlockState} from a legacy id
057     *
058     * @param id Legacy ID
059     * @return Block state, or {@code null}
060     */
061    public static @Nullable BlockState get(final int id) {
062        return LegacyMapper.getInstance().getBlockFromLegacy(id);
063    }
064
065    /**
066     * Get a {@link BlockState} from a legacy id-data pair
067     *
068     * @param id   Legacy ID
069     * @param data Legacy data
070     * @return Block state, or {@code null}
071     */
072    public static @Nullable BlockState get(final int id, final int data) {
073        return LegacyMapper.getInstance().getBlockFromLegacy(id, data);
074    }
075
076    /**
077     * Get a {@link BlockState} from its ID
078     *
079     * @param id String or integer ID
080     * @return Parsed block state, or {@code null} if none
081     *         could be parsed
082     */
083    public static @Nullable BlockState get(final @NonNull String id) {
084        if (id.length() == 1 && id.charAt(0) == '*') {
085            return FuzzyBlockState.builder().type(BlockTypes.AIR).build();
086        }
087        String mutableId;
088        mutableId = id.toLowerCase();
089        BlockType type = BlockTypes.get(mutableId);
090        if (type != null) {
091            return type.getDefaultState();
092        }
093        if (Character.isDigit(mutableId.charAt(0))) {
094            String[] split = mutableId.split(":");
095            if (MathMan.isInteger(split[0])) {
096                if (split.length == 2) {
097                    if (MathMan.isInteger(split[1])) {
098                        return get(Integer.parseInt(split[0]), Integer.parseInt(split[1]));
099                    }
100                } else {
101                    return get(Integer.parseInt(split[0]));
102                }
103            }
104        }
105        try {
106            BaseBlock block = PARSER.parseFromInput(mutableId, PARSER_CONTEXT);
107            return block.toImmutableState();
108        } catch (InputParseException e) {
109            return null;
110        }
111    }
112
113}