SignedMessageBody.java

net.minecraft.network.chat.SignedMessageBody

信息

• 全限定名：net.minecraft.network.chat.SignedMessageBody
• 类型：public record
• 包：net.minecraft.network.chat
• 源码路径：src/main/java/net/minecraft/network/chat/SignedMessageBody.java
• 起始行号：L16
• 职责：

  TODO

字段/常量

• MAP_CODEC
  • 类型: MapCodec<SignedMessageBody>
  • 修饰符: public static final
  • 源码定位: L17
  • 说明:

    TODO

内部类/嵌套类型

• net.minecraft.network.chat.SignedMessageBody.Packed
  • 类型: record
  • 修饰符: public
  • 源码定位: L44
  • 说明:

    TODO

构造器

• 无

方法

下面的方法块按源码顺序生成。

public static SignedMessageBody unsigned(String content) @ L27

• 方法名：unsigned
• 源码定位：L27
• 返回类型：SignedMessageBody
• 修饰符：public static

参数:

• content: String

说明:

TODO

public void updateSignature(SignatureUpdater.Output output) @ L31

• 方法名：updateSignature
• 源码定位：L31
• 返回类型：void
• 修饰符：public

参数:

• output: SignatureUpdater.Output

说明:

TODO

public SignedMessageBody.Packed pack(MessageSignatureCache cache) @ L40

• 方法名：pack
• 源码定位：L40
• 返回类型：SignedMessageBody.Packed
• 修饰符：public

参数:

• cache: MessageSignatureCache

说明:

TODO

代码

public record SignedMessageBody(String content, Instant timeStamp, long salt, LastSeenMessages lastSeen) {
    public static final MapCodec<SignedMessageBody> MAP_CODEC = RecordCodecBuilder.mapCodec(
        i -> i.group(
                Codec.STRING.fieldOf("content").forGetter(SignedMessageBody::content),
                ExtraCodecs.INSTANT_ISO8601.fieldOf("time_stamp").forGetter(SignedMessageBody::timeStamp),
                Codec.LONG.fieldOf("salt").forGetter(SignedMessageBody::salt),
                LastSeenMessages.CODEC.optionalFieldOf("last_seen", LastSeenMessages.EMPTY).forGetter(SignedMessageBody::lastSeen)
            )
            .apply(i, SignedMessageBody::new)
    );
 
    public static SignedMessageBody unsigned(String content) {
        return new SignedMessageBody(content, Instant.now(), 0L, LastSeenMessages.EMPTY);
    }
 
    public void updateSignature(SignatureUpdater.Output output) throws SignatureException {
        output.update(Longs.toByteArray(this.salt));
        output.update(Longs.toByteArray(this.timeStamp.getEpochSecond()));
        byte[] contentBytes = this.content.getBytes(StandardCharsets.UTF_8);
        output.update(Ints.toByteArray(contentBytes.length));
        output.update(contentBytes);
        this.lastSeen.updateSignature(output);
    }
 
    public SignedMessageBody.Packed pack(MessageSignatureCache cache) {
        return new SignedMessageBody.Packed(this.content, this.timeStamp, this.salt, this.lastSeen.pack(cache));
    }
 
    public record Packed(String content, Instant timeStamp, long salt, LastSeenMessages.Packed lastSeen) {
        public Packed(FriendlyByteBuf input) {
            this(input.readUtf(256), input.readInstant(), input.readLong(), new LastSeenMessages.Packed(input));
        }
 
        public void write(FriendlyByteBuf output) {
            output.writeUtf(this.content, 256);
            output.writeInstant(this.timeStamp);
            output.writeLong(this.salt);
            this.lastSeen.write(output);
        }
 
        public Optional<SignedMessageBody> unpack(MessageSignatureCache cache) {
            return this.lastSeen.unpack(cache).map(lastSeen -> new SignedMessageBody(this.content, this.timeStamp, this.salt, lastSeen));
        }
    }
}

引用的其他类

• LastSeenMessages

  • 引用位置: 方法调用/构造调用
  • 关联成员: LastSeenMessages.Packed(), Packed()

• MessageSignatureCache

  • 引用位置: 参数

• SignatureUpdater

  • 引用位置: 参数