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PlotSquared, a land and world management plugin for Minecraft.
There is a newer version: 7.4.0
/*
 * PlotSquared, a land and world management plugin for Minecraft.
 * Copyright (C) IntellectualSites 
 * Copyright (C) IntellectualSites 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.plotsquared.core.util;

import com.google.common.base.Preconditions;
import com.plotsquared.core.command.Command;
import com.plotsquared.core.configuration.caption.TranslatableCaption;
import com.plotsquared.core.player.PlotPlayer;
import com.sk89q.worldedit.WorldEdit;
import com.sk89q.worldedit.entity.Player;
import com.sk89q.worldedit.extension.input.InputParseException;
import com.sk89q.worldedit.extension.input.ParserContext;
import com.sk89q.worldedit.extension.platform.Actor;
import com.sk89q.worldedit.function.pattern.BlockPattern;
import com.sk89q.worldedit.function.pattern.Pattern;
import com.sk89q.worldedit.math.BlockVector3;
import com.sk89q.worldedit.world.block.BaseBlock;
import com.sk89q.worldedit.world.block.BlockState;
import com.sk89q.worldedit.world.block.BlockType;
import net.kyori.adventure.text.Component;
import net.kyori.adventure.text.minimessage.tag.Tag;
import net.kyori.adventure.text.minimessage.tag.resolver.TagResolver;
import org.checkerframework.checker.nullness.qual.NonNull;

import java.util.ArrayList;
import java.util.List;

public class PatternUtil {

    public static BaseBlock apply(@NonNull Pattern pattern, int x, int y, int z) {
        Preconditions.checkNotNull(pattern, "Pattern may not be null");
        if (pattern instanceof BlockPattern
                || pattern instanceof BlockState || pattern instanceof BlockType
                || pattern instanceof BaseBlock) {
            return pattern.applyBlock(BlockVector3.ZERO);
        }
        return pattern.applyBlock(BlockVector3.at(x, y, z));
    }

    public static Pattern parse(PlotPlayer plotPlayer, String input) {
        return parse(plotPlayer, input, true);
    }

    public static List getSuggestions(String input) {
        try {
            return WorldEdit.getInstance().getPatternFactory().getSuggestions(input);
        } catch (final Exception ignored) {
        }
        return new ArrayList<>();
    }

    public static Pattern parse(PlotPlayer plotPlayer, String input, boolean allowLegacy) {
        ParserContext context = new ParserContext();
        if (plotPlayer != null) {
            Actor actor = plotPlayer.toActor();
            context.setActor(actor);
            if (actor instanceof Player) {
                context.setWorld(((Player) actor).getWorld());
            }
            context.setSession(WorldEdit.getInstance().getSessionManager().get(actor));
            context.setRestricted(true);
        } else {
            context.setRestricted(false);
        }
        context.setPreferringWildcard(false);
        context.setTryLegacy(allowLegacy);
        try {
            return WorldEdit.getInstance().getPatternFactory().parseFromInput(input, context);
        } catch (InputParseException e) {
            throw new Command.CommandException(
                    TranslatableCaption.of("invalid.not_valid_block"),
                    TagResolver.resolver("value", Tag.inserting(Component.text(e.getMessage())))
            );
        }
    }

    public static boolean isAir(Pattern pattern) {
        if (pattern instanceof BlockPattern) {
            return ((BlockPattern) pattern).getBlock().getBlockType().getMaterial().isAir();
        }
        if (pattern instanceof BlockState) {
            return ((BlockState) pattern).getBlockType().getMaterial().isAir();
        }
        if (pattern instanceof BlockType) {
            return ((BlockType) pattern).getMaterial().isAir();
        }
        if (pattern instanceof BaseBlock) {
            return ((BaseBlock) pattern).getBlockType().getMaterial().isAir();
        }
        return false;
    }

}