Complete all serverbound packets at PLAY state

libmc-nbt/src/commonMain/kotlin/cn/rtast/libmc/nbt/NBTReader.kt

@@ -79,10 +79,7 @@ public fun NBTInput.readRootCompound(): NBTCompound {
 public fun NBTInput.readNetworkCompound(): NBTCompound {
     return when (val type = NBTType.fromId(readByte().toInt() and 0xFF)) {
         NBTType.Compound -> NBTCompound("", readCompoundTag())
-        NBTType.String -> NBTCompound(
-            "", NBTTag.CompoundTag(linkedMapOf("text" to NBTTag.StringTag(readStringTag())))
-        )
-
+        NBTType.String -> NBTCompound("", NBTTag.CompoundTag(linkedMapOf("text" to NBTTag.StringTag(readStringTag()))))
         else -> throw UnsupportedOperationException("Unsupported network nbt tag 0x${type.id.toString(16).uppercase()}")
     }
 }

libmc-nbt/src/commonMain/kotlin/cn/rtast/libmc/nbt/NBTWriter.kt

@@ -62,3 +62,10 @@ public fun NBTOutput.writeRootNBTCompound(name: String = ""): ByteArray {
     writeTagPayload(root)
     return toByteArray()
 }
+
+public fun NBTOutput.writeNetworkCompound(compound: NBTCompound) {
+    val compoundTag = compound.element as? NBTTag.CompoundTag
+        ?: throw IllegalArgumentException("NBTCompound element must be an NBTTag.CompoundTag")
+    writeByte(NBTType.Compound.id)
+    writeTagPayload(compoundTag)
+}