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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.queue;

import com.plotsquared.core.util.ChunkUtil;
import com.plotsquared.core.util.MathMan;
import com.sk89q.jnbt.CompoundTag;
import com.sk89q.worldedit.entity.BaseEntity;
import com.sk89q.worldedit.math.BlockVector3;
import com.sk89q.worldedit.util.Location;
import com.sk89q.worldedit.world.biome.BiomeType;
import com.sk89q.worldedit.world.block.BaseBlock;
import org.checkerframework.checker.nullness.qual.NonNull;

import java.util.HashMap;

public class LocalChunk {

    private final QueueCoordinator parent;
    private final int x;
    private final int z;
    private final int minSection;

    private final BaseBlock[][] baseblocks;
    private final BiomeType[][] biomes;
    private final HashMap tiles = new HashMap<>();
    private final HashMap entities = new HashMap<>();

    public LocalChunk(@NonNull QueueCoordinator parent, int x, int z) {
        this.parent = parent;
        this.x = x;
        this.z = z;
        this.minSection = parent.getMinLayer();
        int sections = parent.getMaxLayer() - parent.getMinLayer() + 1;
        baseblocks = new BaseBlock[sections][];
        biomes = new BiomeType[sections][];
    }

    public @NonNull QueueCoordinator getParent() {
        return this.parent;
    }

    public int getX() {
        return this.x;
    }

    public int getZ() {
        return this.z;
    }

    /**
     * Get the minimum layer position stored (usually -4 or 0).
     *
     * @since 6.6.0
     */
    public int getMinSection() {
        return this.minSection;
    }

    public @NonNull BaseBlock[][] getBaseblocks() {
        return this.baseblocks;
    }

    public @NonNull BiomeType[][] getBiomes() {
        return this.biomes;
    }

    public @NonNull HashMap getTiles() {
        return this.tiles;
    }

    public void setBiome(final int x, final int y, final int z, final @NonNull BiomeType biomeType) {
        final int i = getLayerIndex(y);
        final int j = ChunkUtil.getJ(x, y, z);
        BiomeType[] array = this.biomes[i];
        if (array == null) {
            array = this.biomes[i] = new BiomeType[4096];
        }
        array[j] = biomeType;
    }

    @Override
    public int hashCode() {
        return MathMan.pair((short) x, (short) z);
    }

    public void setBlock(final int x, final int y, final int z, final @NonNull BaseBlock baseBlock) {
        final int i = getLayerIndex(y);
        final int j = ChunkUtil.getJ(x, y, z);
        BaseBlock[] array = baseblocks[i];
        if (array == null) {
            array = (baseblocks[i] = new BaseBlock[4096]);
        }
        array[j] = baseBlock;
    }

    public void setTile(final int x, final int y, final int z, final @NonNull CompoundTag tag) {
        tiles.put(BlockVector3.at(x, y, z), tag);
    }

    public void setEntity(@NonNull Location location, @NonNull BaseEntity entity) {
        this.entities.put(location, entity);
    }

    public @NonNull HashMap getEntities() {
        return this.entities;
    }

    private int getLayerIndex(final int y) {
        return (y >> 4) - minSection;
    }

}