Util.scala

implicit class RichByteBuf(buf: ByteBuf) {
    def writeString(str: String) = ByteBufUtils.writeUTF8String(buf, String)
    def readString() = ByteBufUtils.readUTF8String(buf)

    def writeItemStack(is: ItemStack) = ByteBufUtils.writeItemStack(buf, is)
    def readItemStack() = ByteBufUtils.readItemStack(buf)

    def writePos(pos: BlockPos): Unit = {
      buf.writeInt(pos.getX)
      buf.writeInt(pos.getY)
      buf.writeInt(pos.getZ)
    }
    def readPos() = {
      val x = buf.readInt()
      val y = buf.readInt()
      val z = buf.readInt()

      new BlockPos(x, y, z)
    }
  }