ClientboundSectionBlocksUpdatePacket.java

net.minecraft.network.protocol.game.ClientboundSectionBlocksUpdatePacket

信息

• 全限定名：net.minecraft.network.protocol.game.ClientboundSectionBlocksUpdatePacket
• 类型：public class
• 包：net.minecraft.network.protocol.game
• 源码路径：src/main/java/net/minecraft/network/protocol/game/ClientboundSectionBlocksUpdatePacket.java
• 起始行号：L15
• 实现：Packet
• 职责：

  TODO

字段/常量

• STREAM_CODEC

  • 类型: StreamCodec<FriendlyByteBuf,ClientboundSectionBlocksUpdatePacket>
  • 修饰符: public static final
  • 源码定位: L16
  • 说明:

    TODO

• POS_IN_SECTION_BITS

  • 类型: int
  • 修饰符: private static final
  • 源码定位: L19
  • 说明:

    TODO

• sectionPos

  • 类型: SectionPos
  • 修饰符: private final
  • 源码定位: L20
  • 说明:

    TODO

• positions

  • 类型: short[]
  • 修饰符: private final
  • 源码定位: L21
  • 说明:

    TODO

• states

  • 类型: BlockState[]
  • 修饰符: private final
  • 源码定位: L22
  • 说明:

    TODO

内部类/嵌套类型

• 无

构造器

public ClientboundSectionBlocksUpdatePacket(SectionPos sectionPos, ShortSet changes, LevelChunkSection section) @ L24

• 构造器名：ClientboundSectionBlocksUpdatePacket
• 源码定位：L24
• 修饰符：public

参数:

• sectionPos: SectionPos
• changes: ShortSet
• section: LevelChunkSection

说明:

TODO

private ClientboundSectionBlocksUpdatePacket(FriendlyByteBuf input) @ L40

• 构造器名：ClientboundSectionBlocksUpdatePacket
• 源码定位：L40
• 修饰符：private

参数:

• input: FriendlyByteBuf

说明:

TODO

方法

下面的方法块按源码顺序生成。

private void write(FriendlyByteBuf output) @ L53

• 方法名：write
• 源码定位：L53
• 返回类型：void
• 修饰符：private

参数:

• output: FriendlyByteBuf

说明:

TODO

public PacketType<ClientboundSectionBlocksUpdatePacket> type() @ L62

• 方法名：type
• 源码定位：L62
• 返回类型：PacketType
• 修饰符：public

参数:

• 无

说明:

TODO

public void handle(ClientGamePacketListener listener) @ L67

• 方法名：handle
• 源码定位：L67
• 返回类型：void
• 修饰符：public

参数:

• listener: ClientGamePacketListener

说明:

TODO

public void runUpdates(BiConsumer<BlockPos,BlockState> updateFunction) @ L71

• 方法名：runUpdates
• 源码定位：L71
• 返回类型：void
• 修饰符：public

参数:

• updateFunction: BiConsumer<BlockPos,BlockState>

说明:

TODO

代码

public class ClientboundSectionBlocksUpdatePacket implements Packet<ClientGamePacketListener> {
    public static final StreamCodec<FriendlyByteBuf, ClientboundSectionBlocksUpdatePacket> STREAM_CODEC = Packet.codec(
        ClientboundSectionBlocksUpdatePacket::write, ClientboundSectionBlocksUpdatePacket::new
    );
    private static final int POS_IN_SECTION_BITS = 12;
    private final SectionPos sectionPos;
    private final short[] positions;
    private final BlockState[] states;
 
    public ClientboundSectionBlocksUpdatePacket(SectionPos sectionPos, ShortSet changes, LevelChunkSection section) {
        this.sectionPos = sectionPos;
        int count = changes.size();
        this.positions = new short[count];
        this.states = new BlockState[count];
        int i = 0;
 
        for (short packedPos : changes) {
            this.positions[i] = packedPos;
            this.states[i] = section.getBlockState(
                SectionPos.sectionRelativeX(packedPos), SectionPos.sectionRelativeY(packedPos), SectionPos.sectionRelativeZ(packedPos)
            );
            i++;
        }
    }
 
    private ClientboundSectionBlocksUpdatePacket(FriendlyByteBuf input) {
        this.sectionPos = SectionPos.STREAM_CODEC.decode(input);
        int count = input.readVarInt();
        this.positions = new short[count];
        this.states = new BlockState[count];
 
        for (int i = 0; i < count; i++) {
            long packedChange = input.readVarLong();
            this.positions[i] = (short)(packedChange & 4095L);
            this.states[i] = Block.BLOCK_STATE_REGISTRY.byId((int)(packedChange >>> 12));
        }
    }
 
    private void write(FriendlyByteBuf output) {
        SectionPos.STREAM_CODEC.encode(output, this.sectionPos);
        output.writeVarInt(this.positions.length);
 
        for (int i = 0; i < this.positions.length; i++) {
            output.writeVarLong((long)Block.getId(this.states[i]) << 12 | this.positions[i]);
        }
    }
 
    @Override
    public PacketType<ClientboundSectionBlocksUpdatePacket> type() {
        return GamePacketTypes.CLIENTBOUND_SECTION_BLOCKS_UPDATE;
    }
 
    public void handle(ClientGamePacketListener listener) {
        listener.handleChunkBlocksUpdate(this);
    }
 
    public void runUpdates(BiConsumer<BlockPos, BlockState> updateFunction) {
        BlockPos.MutableBlockPos cursor = new BlockPos.MutableBlockPos();
 
        for (int i = 0; i < this.positions.length; i++) {
            short packedPos = this.positions[i];
            cursor.set(this.sectionPos.relativeToBlockX(packedPos), this.sectionPos.relativeToBlockY(packedPos), this.sectionPos.relativeToBlockZ(packedPos));
            updateFunction.accept(cursor, this.states[i]);
        }
    }
}

引用的其他类

• BlockPos

  • 引用位置: 参数/方法调用/构造调用
  • 关联成员: BlockPos.MutableBlockPos(), MutableBlockPos()

• SectionPos

  • 引用位置: 参数/字段/方法调用
  • 关联成员: SectionPos.sectionRelativeX(), SectionPos.sectionRelativeY(), SectionPos.sectionRelativeZ()

• FriendlyByteBuf

  • 引用位置: 参数/字段

• StreamCodec

  • 引用位置: 字段

• Packet

  • 引用位置: 实现/方法调用
  • 关联成员: Packet.codec()

• PacketType

  • 引用位置: 返回值

• ClientGamePacketListener

  • 引用位置: 参数

• Block

  • 引用位置: 方法调用
  • 关联成员: Block.getId()

• BlockState

  • 引用位置: 参数/字段

• LevelChunkSection

  • 引用位置: 参数