com.sk89q.worldedit.function.mask.OffsetMask2D Maven / Gradle / Ivy

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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.function.mask;

import com.fastasyncworldedit.core.math.MutableBlockVector2;
import com.sk89q.worldedit.math.BlockVector2;

import static com.google.common.base.Preconditions.checkNotNull;

/**
 * Checks whether another mask tests true for a position that is offset
 * a given vector.
 */
public class OffsetMask2D extends AbstractMask2D {

    private Mask2D mask;
    private BlockVector2 offset;
    private final MutableBlockVector2 mutableBlockVector2;

    /**
     * Create a new instance.
     *
     * @param mask   the mask
     * @param offset the offset
     */
    public OffsetMask2D(Mask2D mask, BlockVector2 offset) {
        checkNotNull(mask);
        checkNotNull(offset);
        this.mask = mask;
        this.offset = offset;
        this.mutableBlockVector2 = new MutableBlockVector2();
    }

    /**
     * Get the mask.
     *
     * @return the mask
     */
    public Mask2D getMask() {
        return mask;
    }

    /**
     * Set the mask.
     *
     * @param mask the mask
     */
    public void setMask(Mask2D mask) {
        checkNotNull(mask);
        this.mask = mask;
    }

    /**
     * Get the offset.
     *
     * @return the offset
     */
    public BlockVector2 getOffset() {
        return offset;
    }

    /**
     * Set the offset.
     *
     * @param offset the offset
     */
    public void setOffset(BlockVector2 offset) {
        checkNotNull(offset);
        this.offset = offset;
    }

    //FAWE start
    @Override
    public boolean test(BlockVector2 vector) {
        mutableBlockVector2.setComponents(vector.getX() + offset.getX(), vector.getZ() + offset.getZ());
        return getMask().test(mutableBlockVector2);
    }

    @Override
    public Mask2D copy2D() {
        return new OffsetMask2D(mask.copy2D(), BlockVector2.at(offset.getX(), offset.getZ()));
    }
    //FAWE end

}