forked from git-mirrors/GeyserConnect
83 lines
3.1 KiB
Java
83 lines
3.1 KiB
Java
/*
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* Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
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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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* @author GeyserMC
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* @link https://github.com/GeyserMC/GeyserConnect
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*
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*/
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package org.geysermc.connect.utils;
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import com.nukkitx.nbt.*;
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import org.geysermc.connector.utils.FileUtils;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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/**
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* This class is mostly copied from core Geyser
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*/
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public class PaletteManger {
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public static final NbtList<NbtMap> BLOCK_PALLETE;
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public static final NbtMap BIOMES_PALLETE;
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public static final byte[] EMPTY_LEVEL_CHUNK_DATA;
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private static final NbtMap EMPTY_TAG = NbtMap.EMPTY;
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static {
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/* Load block palette */
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InputStream stream = FileUtils.getResource("bedrock/runtime_block_states.dat");
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try (NBTInputStream nbtInputStream = NbtUtils.createNetworkReader(stream)) {
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BLOCK_PALLETE = (NbtList<NbtMap>) nbtInputStream.readTag();
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} catch (Exception e) {
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throw new AssertionError("Unable to get blocks from runtime block states", e);
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}
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/* Load biomes */
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stream = FileUtils.getResource("bedrock/biome_definitions.dat");
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try (NBTInputStream nbtInputStream = NbtUtils.createNetworkReader(stream)){
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BIOMES_PALLETE = (NbtMap) nbtInputStream.readTag();
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} catch (Exception e) {
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throw new AssertionError("Failed to get biomes from biome definitions", e);
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}
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/* Create empty chunk data */
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try (ByteArrayOutputStream outputStream = new ByteArrayOutputStream()) {
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outputStream.write(new byte[258]); // Biomes + Border Size + Extra Data Size
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try (NBTOutputStream nbtOutputStream = NbtUtils.createNetworkWriter(outputStream)) {
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nbtOutputStream.writeTag(EMPTY_TAG);
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}
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EMPTY_LEVEL_CHUNK_DATA = outputStream.toByteArray();
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} catch (IOException e) {
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throw new AssertionError("Unable to generate empty level chunk data");
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}
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}
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public static void init() {
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// no-op
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}
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}
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