forked from GeyserMC/Geyser
112 lines
5.3 KiB
Java
112 lines
5.3 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/Geyser
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*/
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package org.geysermc.connector.network.translators.java.world;
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import com.github.steveice10.mc.protocol.data.game.chunk.Chunk;
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import com.github.steveice10.mc.protocol.data.game.world.block.BlockState;
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import com.github.steveice10.mc.protocol.packet.ingame.server.world.ServerChunkDataPacket;
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import com.nukkitx.math.vector.Vector3i;
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import com.nukkitx.network.VarInts;
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import com.nukkitx.protocol.bedrock.packet.LevelChunkPacket;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.Unpooled;
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import org.geysermc.connector.GeyserConnector;
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import org.geysermc.connector.network.session.GeyserSession;
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import org.geysermc.connector.network.translators.BiomeTranslator;
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import org.geysermc.connector.network.translators.PacketTranslator;
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import org.geysermc.connector.utils.ChunkUtils;
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import org.geysermc.connector.world.chunk.ChunkSection;
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public class JavaChunkDataTranslator extends PacketTranslator<ServerChunkDataPacket> {
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@Override
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public void translate(ServerChunkDataPacket packet, GeyserSession session) {
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// Not sure if this is safe or not, however without this the client usually times out
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GeyserConnector.getInstance().getGeneralThreadPool().execute(() -> {
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try {
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if (packet.getColumn().getBiomeData() != null) { //Full chunk
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ChunkUtils.ChunkData chunkData = ChunkUtils.translateToBedrock(packet.getColumn());
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ByteBuf byteBuf = Unpooled.buffer(32);
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ChunkSection[] sections = chunkData.sections;
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int sectionCount = sections.length - 1;
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while (sectionCount >= 0 && sections[sectionCount].isEmpty()) {
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sectionCount--;
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}
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sectionCount++;
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for (int i = 0; i < sectionCount; i++) {
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ChunkSection section = chunkData.sections[i];
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section.writeToNetwork(byteBuf);
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}
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byte[] bedrockBiome = BiomeTranslator.toBedrockBiome(packet.getColumn().getBiomeData());
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byteBuf.writeBytes(bedrockBiome); // Biomes - 256 bytes
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byteBuf.writeByte(0); // Border blocks - Edu edition only
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VarInts.writeUnsignedInt(byteBuf, 0); // extra data length, 0 for now
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byte[] payload = new byte[byteBuf.writerIndex()];
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byteBuf.readBytes(payload);
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LevelChunkPacket levelChunkPacket = new LevelChunkPacket();
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levelChunkPacket.setSubChunksLength(sectionCount);
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levelChunkPacket.setCachingEnabled(false);
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levelChunkPacket.setChunkX(packet.getColumn().getX());
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levelChunkPacket.setChunkZ(packet.getColumn().getZ());
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levelChunkPacket.setData(payload);
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session.getUpstream().sendPacket(levelChunkPacket);
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} else {
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final int xOffset = packet.getColumn().getX() << 4;
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final int zOffset = packet.getColumn().getZ() << 4;
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Chunk[] chunks = packet.getColumn().getChunks();
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for (int i = 0; i < chunks.length; i++) {
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Chunk chunk = chunks[i];
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if (chunk == null) continue;
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final int yOffset = i * 16;
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for (int x = 0; x < 16; x++) {
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for (int y = 0; y < 16; y++) {
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for (int z = 0; z < 16; z++) {
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BlockState blockState = chunk.get(x, y, z);
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Vector3i pos = Vector3i.from(
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x + xOffset,
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y + yOffset,
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z + zOffset);
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ChunkUtils.updateBlock(session, blockState, pos);
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}
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}
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}
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}
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}
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} catch (Exception ex) {
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ex.printStackTrace();
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}
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});
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}
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}
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