Contents

# frozen_string_literal: true

module NBTUtils
  module Tag
    class ByteArray
      include NBTUtils::Tag

      type_id 7

      def initialize(io, named: true)
        read_name(io) if named

        len = ::BinData::Int32be.new.read(io).value
        # use single string for the payload because an array means each byte is a
        # separate object which is incredibly SLOW
        @payload = ::BinData::String.new(read_length: len).read(io)
      end

      def to_s(indent = 0)
        (' ' * indent) + "TAG_Byte_Array#{name ? "(\"#{name}\")" : ''}: [#{payload.length} bytes]"
      end

      def to_nbt_string(named: true)
        result = named ? binary_type_id + name_to_nbt_string : ''
        len = ::BinData::Int32be.new
        len.value = payload.length
        result << len.to_binary_s
        result + payload.to_binary_s
      end

      def set_value(new_value, index)
        b = ::BinData::Uint8.new
        b.value = new_value
        payload[index] = b.to_binary_s
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
nbt_utils-0.5.0	lib/nbt_utils/tag/byte_array.rb