82 lines
3.1 KiB
Java
82 lines
3.1 KiB
Java
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package net.minecraft.network.protocol.game;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.Unpooled;
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import java.util.List;
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import net.minecraft.network.FriendlyByteBuf;
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import net.minecraft.network.codec.StreamCodec;
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import net.minecraft.network.protocol.Packet;
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import net.minecraft.network.protocol.PacketType;
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import net.minecraft.world.level.ChunkPos;
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import net.minecraft.world.level.chunk.LevelChunk;
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import net.minecraft.world.level.chunk.LevelChunkSection;
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public record ClientboundChunksBiomesPacket(List<ClientboundChunksBiomesPacket.ChunkBiomeData> chunkBiomeData) implements Packet<ClientGamePacketListener> {
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public static final StreamCodec<FriendlyByteBuf, ClientboundChunksBiomesPacket> STREAM_CODEC = Packet.codec(
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ClientboundChunksBiomesPacket::write, ClientboundChunksBiomesPacket::new
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);
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private static final int TWO_MEGABYTES = 2097152;
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private ClientboundChunksBiomesPacket(FriendlyByteBuf p_275221_) {
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this(p_275221_.readList(ClientboundChunksBiomesPacket.ChunkBiomeData::new));
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}
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public static ClientboundChunksBiomesPacket forChunks(List<LevelChunk> p_275394_) {
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return new ClientboundChunksBiomesPacket(p_275394_.stream().map(ClientboundChunksBiomesPacket.ChunkBiomeData::new).toList());
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}
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private void write(FriendlyByteBuf p_275376_) {
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p_275376_.writeCollection(this.chunkBiomeData, (p_275199_, p_275200_) -> p_275200_.write(p_275199_));
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}
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@Override
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public PacketType<ClientboundChunksBiomesPacket> type() {
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return GamePacketTypes.CLIENTBOUND_CHUNKS_BIOMES;
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}
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public void handle(ClientGamePacketListener p_275524_) {
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p_275524_.handleChunksBiomes(this);
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}
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public record ChunkBiomeData(ChunkPos pos, byte[] buffer) {
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public ChunkBiomeData(LevelChunk p_275569_) {
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this(p_275569_.getPos(), new byte[calculateChunkSize(p_275569_)]);
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extractChunkData(new FriendlyByteBuf(this.getWriteBuffer()), p_275569_);
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}
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public ChunkBiomeData(FriendlyByteBuf p_275255_) {
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this(p_275255_.readChunkPos(), p_275255_.readByteArray(2097152));
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}
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private static int calculateChunkSize(LevelChunk p_275324_) {
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int i = 0;
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for (LevelChunkSection levelchunksection : p_275324_.getSections()) {
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i += levelchunksection.getBiomes().getSerializedSize();
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}
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return i;
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}
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public FriendlyByteBuf getReadBuffer() {
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return new FriendlyByteBuf(Unpooled.wrappedBuffer(this.buffer));
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}
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private ByteBuf getWriteBuffer() {
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ByteBuf bytebuf = Unpooled.wrappedBuffer(this.buffer);
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bytebuf.writerIndex(0);
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return bytebuf;
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}
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public static void extractChunkData(FriendlyByteBuf p_275626_, LevelChunk p_275570_) {
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for (LevelChunkSection levelchunksection : p_275570_.getSections()) {
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levelchunksection.getBiomes().write(p_275626_);
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}
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}
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public void write(FriendlyByteBuf p_275467_) {
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p_275467_.writeChunkPos(this.pos);
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p_275467_.writeByteArray(this.buffer);
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}
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}
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}
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