Varint21LengthFieldPrepender.java

net.minecraft.network.Varint21LengthFieldPrepender

信息

• 全限定名：net.minecraft.network.Varint21LengthFieldPrepender
• 类型：public class
• 包：net.minecraft.network
• 源码路径：src/main/java/net/minecraft/network/Varint21LengthFieldPrepender.java
• 起始行号：L10
• 继承：MessageToByteEncoder
• 职责：

  TODO

字段/常量

• MAX_VARINT21_BYTES
  • 类型: int
  • 修饰符: public static final
  • 源码定位: L11
  • 说明:

    TODO

内部类/嵌套类型

• 无

构造器

• 无

方法

下面的方法块按源码顺序生成。

protected void encode(ChannelHandlerContext ctx, ByteBuf msg, ByteBuf out) @ L13

• 方法名：encode
• 源码定位：L13
• 返回类型：void
• 修饰符：protected

参数:

• ctx: ChannelHandlerContext
• msg: ByteBuf
• out: ByteBuf

说明:

TODO

代码

@Sharable
public class Varint21LengthFieldPrepender extends MessageToByteEncoder<ByteBuf> {
    public static final int MAX_VARINT21_BYTES = 3;
 
    protected void encode(ChannelHandlerContext ctx, ByteBuf msg, ByteBuf out) {
        int bodyLength = msg.readableBytes();
        int headerLength = VarInt.getByteSize(bodyLength);
        if (headerLength > 3) {
            throw new EncoderException("Packet too large: size " + bodyLength + " is over 8");
        } else {
            out.ensureWritable(headerLength + bodyLength);
            VarInt.write(out, bodyLength);
            out.writeBytes(msg, msg.readerIndex(), bodyLength);
        }
    }
}

引用的其他类

• VarInt
  • 引用位置: 方法调用
  • 关联成员: VarInt.getByteSize(), VarInt.write()