UUIDUtil.java

net.minecraft.core.UUIDUtil

信息

• 全限定名：net.minecraft.core.UUIDUtil
• 类型：public final class
• 包：net.minecraft.core
• 源码路径：src/main/java/net/minecraft/core/UUIDUtil.java
• 起始行号：L22
• 职责：

  TODO

字段/常量

• CODEC

  • 类型: Codec<UUID>
  • 修饰符: public static final
  • 源码定位: L23
  • 说明:

    TODO

• CODEC_SET

  • 类型: Codec<Set<UUID>>
  • 修饰符: public static final
  • 源码定位: L25
  • 说明:

    TODO

• CODEC_LINKED_SET

  • 类型: Codec<Set<UUID>>
  • 修饰符: public static final
  • 源码定位: L26
  • 说明:

    TODO

• STRING_CODEC

  • 类型: Codec<UUID>
  • 修饰符: public static final
  • 源码定位: L27
  • 说明:

    TODO

• AUTHLIB_CODEC

  • 类型: Codec<UUID>
  • 修饰符: public static final
  • 源码定位: L34
  • 说明:

    TODO

• LENIENT_CODEC

  • 类型: Codec<UUID>
  • 修饰符: public static final
  • 源码定位: L41
  • 说明:

    TODO

• STREAM_CODEC

  • 类型: StreamCodec<ByteBuf,UUID>
  • 修饰符: public static final public public
  • 源码定位: L42
  • 说明:

    TODO

• UUID_BYTES

  • 类型: int
  • 修饰符: public static final
  • 源码定位: L51
  • 说明:

    TODO

• UUID_PREFIX_OFFLINE_PLAYER

  • 类型: String
  • 修饰符: private static final
  • 源码定位: L52
  • 说明:

    TODO

内部类/嵌套类型

• 无

构造器

private UUIDUtil() @ L54

• 构造器名：UUIDUtil
• 源码定位：L54
• 修饰符：private

参数:

• 无

说明:

TODO

方法

下面的方法块按源码顺序生成。

public static UUID uuidFromIntArray(int[] intArray) @ L57

• 方法名：uuidFromIntArray
• 源码定位：L57
• 返回类型：UUID
• 修饰符：public static

参数:

• intArray: int[]

说明:

TODO

public static int[] uuidToIntArray(UUID uuid) @ L61

• 方法名：uuidToIntArray
• 源码定位：L61
• 返回类型：int[]
• 修饰符：public static

参数:

• uuid: UUID

说明:

TODO

private static int[] leastMostToIntArray(long mostSignificantBits, long leastSignificantBits) @ L67

• 方法名：leastMostToIntArray
• 源码定位：L67
• 返回类型：int[]
• 修饰符：private static

参数:

• mostSignificantBits: long
• leastSignificantBits: long

说明:

TODO

public static byte[] uuidToByteArray(UUID uuid) @ L71

• 方法名：uuidToByteArray
• 源码定位：L71
• 返回类型：byte[]
• 修饰符：public static

参数:

• uuid: UUID

说明:

TODO

public static UUID readUUID(Dynamic<?> input) @ L77

• 方法名：readUUID
• 源码定位：L77
• 返回类型：UUID
• 修饰符：public static

参数:

• input: Dynamic<?>

说明:

TODO

public static UUID createOfflinePlayerUUID(String playerName) @ L86

• 方法名：createOfflinePlayerUUID
• 源码定位：L86
• 返回类型：UUID
• 修饰符：public static

参数:

• playerName: String

说明:

TODO

public static GameProfile createOfflineProfile(String playerName) @ L90

• 方法名：createOfflineProfile
• 源码定位：L90
• 返回类型：GameProfile
• 修饰符：public static

参数:

• playerName: String

说明:

TODO

代码

public final class UUIDUtil {
    public static final Codec<UUID> CODEC = Codec.INT_STREAM
        .comapFlatMap(list -> Util.fixedSize(list, 4).map(UUIDUtil::uuidFromIntArray), uuid -> Arrays.stream(uuidToIntArray(uuid)));
    public static final Codec<Set<UUID>> CODEC_SET = Codec.list(CODEC).xmap(Sets::newHashSet, Lists::newArrayList);
    public static final Codec<Set<UUID>> CODEC_LINKED_SET = Codec.list(CODEC).xmap(Sets::newLinkedHashSet, Lists::newArrayList);
    public static final Codec<UUID> STRING_CODEC = Codec.STRING.comapFlatMap(s -> {
        try {
            return DataResult.success(UUID.fromString(s), Lifecycle.stable());
        } catch (IllegalArgumentException var2) {
            return DataResult.error(() -> "Invalid UUID " + s + ": " + var2.getMessage());
        }
    }, UUID::toString);
    public static final Codec<UUID> AUTHLIB_CODEC = Codec.withAlternative(Codec.STRING.comapFlatMap(s -> {
        try {
            return DataResult.success(UndashedUuid.fromStringLenient(s), Lifecycle.stable());
        } catch (IllegalArgumentException var2) {
            return DataResult.error(() -> "Invalid UUID " + s + ": " + var2.getMessage());
        }
    }, UndashedUuid::toString), CODEC);
    public static final Codec<UUID> LENIENT_CODEC = Codec.withAlternative(CODEC, STRING_CODEC);
    public static final StreamCodec<ByteBuf, UUID> STREAM_CODEC = new StreamCodec<ByteBuf, UUID>() {
        public UUID decode(ByteBuf input) {
            return FriendlyByteBuf.readUUID(input);
        }
 
        public void encode(ByteBuf output, UUID value) {
            FriendlyByteBuf.writeUUID(output, value);
        }
    };
    public static final int UUID_BYTES = 16;
    private static final String UUID_PREFIX_OFFLINE_PLAYER = "OfflinePlayer:";
 
    private UUIDUtil() {
    }
 
    public static UUID uuidFromIntArray(int[] intArray) {
        return new UUID((long)intArray[0] << 32 | intArray[1] & 4294967295L, (long)intArray[2] << 32 | intArray[3] & 4294967295L);
    }
 
    public static int[] uuidToIntArray(UUID uuid) {
        long mostSignificantBits = uuid.getMostSignificantBits();
        long leastSignificantBits = uuid.getLeastSignificantBits();
        return leastMostToIntArray(mostSignificantBits, leastSignificantBits);
    }
 
    private static int[] leastMostToIntArray(long mostSignificantBits, long leastSignificantBits) {
        return new int[]{(int)(mostSignificantBits >> 32), (int)mostSignificantBits, (int)(leastSignificantBits >> 32), (int)leastSignificantBits};
    }
 
    public static byte[] uuidToByteArray(UUID uuid) {
        byte[] bytes = new byte[16];
        ByteBuffer.wrap(bytes).order(ByteOrder.BIG_ENDIAN).putLong(uuid.getMostSignificantBits()).putLong(uuid.getLeastSignificantBits());
        return bytes;
    }
 
    public static UUID readUUID(Dynamic<?> input) {
        int[] intArray = input.asIntStream().toArray();
        if (intArray.length != 4) {
            throw new IllegalArgumentException("Could not read UUID. Expected int-array of length 4, got " + intArray.length + ".");
        } else {
            return uuidFromIntArray(intArray);
        }
    }
 
    public static UUID createOfflinePlayerUUID(String playerName) {
        return UUID.nameUUIDFromBytes(("OfflinePlayer:" + playerName).getBytes(StandardCharsets.UTF_8));
    }
 
    public static GameProfile createOfflineProfile(String playerName) {
        UUID id = createOfflinePlayerUUID(playerName);
        return new GameProfile(id, playerName);
    }
}

引用的其他类

• FriendlyByteBuf

  • 引用位置: 方法调用
  • 关联成员: FriendlyByteBuf.readUUID(), FriendlyByteBuf.writeUUID()

• StreamCodec

  • 引用位置: 字段

• Util

  • 引用位置: 方法调用
  • 关联成员: Util.fixedSize()

• ResolvableProfile

  • 引用位置: 参数