class BCDice::DiceTable::ChainTable

Public Class Methods

new(name, type, items) click to toggle source

@param [String] name 表の名前 @param [String] type 項目を選ぶときのダイスロールの方法 '1D6'など @param [Array<String, roll>] items 表の項目の配列

# File lib/bcdice/dice_table/chain_table.rb, line 9
def initialize(name, type, items)
  @name = name
  @items = items.freeze

  m = /(\d+)D(\d+)/i.match(type)
  unless m
    raise ArgumentError, "Unexpected table type: #{type}"
  end

  @times = m[1].to_i
  @sides = m[2].to_i
end

Public Instance Methods

roll(randomizer) click to toggle source

表を振る @param randomizer [#roll_sum] ランダマイザ @return [String] 結果

# File lib/bcdice/dice_table/chain_table.rb, line 25
def roll(randomizer)
  value = randomizer.roll_sum(@times, @sides)
  index = value - @times
  chosen = @items[index]
  chosen = chosen.roll(randomizer) if chosen.respond_to?(:roll)

  return RollResult.new(@name, value, chosen)
end