отделяем сериализацию от сущностей

src/main/java/mc/nbt/codec/vanilla/CodecEnum.java

@@ -0,0 +1,36 @@
+package mc.nbt.codec.vanilla;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import mc.nbt.TypeTag;
+
+import java.util.stream.Stream;
+
+@RequiredArgsConstructor
+@Getter
+public enum CodecEnum {
+
+    END(TypeTag.END, new TagEndCodec()),
+    BYTE(TypeTag.BYTE, new TagByteCodec()),
+    SHORT(TypeTag.SHORT, new TagShortCodec()),
+    INT(TypeTag.INT, new TagIntCodec()),
+    LONG(TypeTag.LONG, new TagLongCodec()),
+    FLOAT(TypeTag.FLOAT, new TagFloatCodec()),
+    DOUBLE(TypeTag.DOUBLE, new TagDoubleCodec()),
+    BYTE_ARRAY(TypeTag.BYTE_ARRAY, new TagByteArrayCodec()),
+    STRING(TypeTag.STRING, new TagStringCodec()),
+    LIST(TypeTag.LIST, new TagListCodec()),
+    COMPOUND(TypeTag.COMPOUND, new TagCompoundCodec()),
+    INT_ARRAY(TypeTag.INT_ARRAY, new TagIntArrayCodec()),
+    LONG_ARRAY(TypeTag.LONG_ARRAY, new TagLongArrayCodec());
+
+    public static CodecEnum valueOfTypeTag(TypeTag typeTag) {
+        return Stream.of(CodecEnum.values())
+                .filter(codecEnum -> codecEnum.getTypeTag() == typeTag)
+                .findFirst()
+                .orElseThrow(() -> new RuntimeException("Codec for " + typeTag.name() + " not found"));
+    }
+
+    private final TypeTag typeTag;
+    private final Codec codec;
+}