140 lines
4.1 KiB
Java
140 lines
4.1 KiB
Java
/*
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* This file is part of BlueMap, licensed under the MIT License (MIT).
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*
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* Copyright (c) Blue (Lukas Rieger) <https://bluecolored.de>
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* Copyright (c) contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package de.bluecolored.bluemap.core.mca;
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import de.bluecolored.bluemap.core.world.BlockState;
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import de.bluecolored.bluemap.core.world.Chunk;
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import de.bluecolored.bluemap.core.world.LightData;
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import net.querz.nbt.CompoundTag;
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import java.io.IOException;
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import java.util.Arrays;
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public abstract class MCAChunk implements Chunk {
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private final MCAWorld world;
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private final int dataVersion;
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private int[] netherCeilingHeights;
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protected MCAChunk() {
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this(null, -1);
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}
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protected MCAChunk(MCAWorld world) {
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this(world, -1);
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}
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protected MCAChunk(MCAWorld world, CompoundTag chunkTag) {
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this(world, chunkTag.getInt("DataVersion"));
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}
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private MCAChunk(MCAWorld world, int dataVersion) {
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this.world = world;
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this.dataVersion = dataVersion;
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this.netherCeilingHeights = new int[16 * 16];
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Arrays.fill(this.netherCeilingHeights, Integer.MIN_VALUE);
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}
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@Override
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public abstract boolean isGenerated();
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public int getDataVersion() {
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return dataVersion;
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}
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@Override
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public abstract long getInhabitedTime();
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@Override
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public abstract BlockState getBlockState(int x, int y, int z);
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@Override
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public abstract LightData getLightData(int x, int y, int z, LightData target);
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@Override
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public abstract String getBiome(int x, int y, int z);
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@Override
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public int getMaxY(int x, int z) {
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return 255;
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}
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@Override
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public int getMinY(int x, int z) {
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return 0;
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}
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@Override
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public int getWorldSurfaceY(int x, int z) { return 0; }
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@Override
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public int getOceanFloorY(int x, int z) { return 0; }
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@Override
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public int getNetherCeilingY(int x, int z) {
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int lx = x & 0xF, lz = z & 0xF;
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int i = lz * 16 + lx;
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int y = netherCeilingHeights[i];
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if (y == Integer.MIN_VALUE) {
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int maxY = getMaxY(x, z);
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int minY = getMinY(x, z);
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for (y = Math.min(maxY, 120); y >= minY; y--){
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if (!getBlockState(x, y, z).isNetherCeiling()) break;
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}
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netherCeilingHeights[i] = y;
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}
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return y;
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}
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protected MCAWorld getWorld() {
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return world;
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}
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public static MCAChunk create(MCAWorld world, CompoundTag chunkTag) throws IOException {
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int version = chunkTag.getInt("DataVersion");
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if (version < 2200) return new ChunkAnvil113(world, chunkTag);
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if (version < 2500) return new ChunkAnvil115(world, chunkTag);
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if (version < 2844) return new ChunkAnvil116(world, chunkTag);
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return new ChunkAnvil118(world, chunkTag);
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}
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@Override
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public String toString() {
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return "MCAChunk{" +
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"world=" + world +
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"dataVersion=" + dataVersion +
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"isGenerated()=" + isGenerated() +
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'}';
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}
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}
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