78 lines
3.2 KiB
Java
78 lines
3.2 KiB
Java
package net.minecraft.network.protocol.game;
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import it.unimi.dsi.fastutil.shorts.ShortSet;
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import java.util.function.BiConsumer;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.SectionPos;
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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.block.Block;
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import net.minecraft.world.level.block.state.BlockState;
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import net.minecraft.world.level.chunk.LevelChunkSection;
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public class ClientboundSectionBlocksUpdatePacket implements Packet<ClientGamePacketListener> {
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public static final StreamCodec<FriendlyByteBuf, ClientboundSectionBlocksUpdatePacket> STREAM_CODEC = Packet.codec(
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ClientboundSectionBlocksUpdatePacket::write, ClientboundSectionBlocksUpdatePacket::new
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);
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private static final int POS_IN_SECTION_BITS = 12;
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private final SectionPos sectionPos;
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private final short[] positions;
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private final BlockState[] states;
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public ClientboundSectionBlocksUpdatePacket(SectionPos p_284963_, ShortSet p_285027_, LevelChunkSection p_285414_) {
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this.sectionPos = p_284963_;
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int i = p_285027_.size();
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this.positions = new short[i];
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this.states = new BlockState[i];
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int j = 0;
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for (short short1 : p_285027_) {
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this.positions[j] = short1;
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this.states[j] = p_285414_.getBlockState(SectionPos.sectionRelativeX(short1), SectionPos.sectionRelativeY(short1), SectionPos.sectionRelativeZ(short1));
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j++;
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}
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}
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private ClientboundSectionBlocksUpdatePacket(FriendlyByteBuf p_179196_) {
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this.sectionPos = SectionPos.of(p_179196_.readLong());
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int i = p_179196_.readVarInt();
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this.positions = new short[i];
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this.states = new BlockState[i];
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for (int j = 0; j < i; j++) {
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long k = p_179196_.readVarLong();
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this.positions[j] = (short)(k & 4095L);
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this.states[j] = Block.BLOCK_STATE_REGISTRY.byId((int)(k >>> 12));
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}
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}
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private void write(FriendlyByteBuf p_133002_) {
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p_133002_.writeLong(this.sectionPos.asLong());
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p_133002_.writeVarInt(this.positions.length);
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for (int i = 0; i < this.positions.length; i++) {
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p_133002_.writeVarLong((long)Block.getId(this.states[i]) << 12 | this.positions[i]);
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}
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}
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@Override
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public PacketType<ClientboundSectionBlocksUpdatePacket> type() {
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return GamePacketTypes.CLIENTBOUND_SECTION_BLOCKS_UPDATE;
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}
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public void handle(ClientGamePacketListener p_132999_) {
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p_132999_.handleChunkBlocksUpdate(this);
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}
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public void runUpdates(BiConsumer<BlockPos, BlockState> p_132993_) {
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BlockPos.MutableBlockPos blockpos$mutableblockpos = new BlockPos.MutableBlockPos();
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for (int i = 0; i < this.positions.length; i++) {
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short short1 = this.positions[i];
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blockpos$mutableblockpos.set(this.sectionPos.relativeToBlockX(short1), this.sectionPos.relativeToBlockY(short1), this.sectionPos.relativeToBlockZ(short1));
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p_132993_.accept(blockpos$mutableblockpos, this.states[i]);
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}
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}
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} |