Class: BCDice::GameSystem::WorldOfDarkness

Inherits:
Base
  • Object
show all
Defined in:
lib/bcdice/game_system/WorldOfDarkness.rb

Constant Summary collapse

ID =

ゲームシステムの識別子

'WorldOfDarkness'
NAME =

ゲームシステム名

'ワールド・オブ・ダークネス'
SORT_KEY =

ゲームシステム名の読みがな

'わあるとおふたあくねす'
HELP_MESSAGE =

ダイスボットの使い方

<<~INFO_MESSAGE_TEXT
  ・判定コマンド(xSTn+y or xSTSn+y or xSTAn+y)
   (ダイス個数)ST(難易度)+(自動成功)
   (ダイス個数)STS(難易度)+(自動成功) ※出目10で振り足し、振り足し分の出目1で打ち消されない
   (ダイス個数)STB(難易度)+(自動成功) ※出目10で振り足し、振り足し分の出目1で打ち消される
   (ダイス個数)STA(難易度)+(自動成功) ※出目10は2成功 [20thルール]

   難易度=省略時6
   自動成功=省略時0、出目1で打ち消されない自動成功を指定
INFO_MESSAGE_TEXT

Instance Attribute Summary

Attributes inherited from Base

#d66_sort_type, #default_cmp_op, #default_target_number, #randomizer, #reroll_dice_reroll_threshold, #round_type, #sides_implicit_d, #upper_dice_reroll_threshold

Instance Method Summary collapse

Methods inherited from Base

#change_text, #check_result, command_pattern, #enable_debug, #enabled_d9?, #eval, eval, #grich_text, #initialize, prefixes_pattern, register_prefix, register_prefix_from_super_class, #sort_add_dice?, #sort_barabara_dice?

Methods included from Translate

#translate

Constructor Details

This class inherits a constructor from BCDice::Base

Instance Method Details

#eval_game_system_specific_command(command) ⇒ Object



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# File 'lib/bcdice/game_system/WorldOfDarkness.rb', line 29

def eval_game_system_specific_command(command)
  difficulty = 6
  auto_success = 0
  enabled_reroll = false
  enabled_reroll_with_botch = false
  enabled_20th = false

  md = command.match(/\A(\d+)(ST[SAB]?)(\d+)?([+-]\d+)?/)

  dice_pool = md[1].to_i
  case md[2]
  when 'STS'
    enabled_reroll = true
  when 'STA'
    enabled_20th = true
  when 'STB'
    enabled_reroll_with_botch = true
  end
  difficulty = md[3].to_i if md[3]
  auto_success = md[4].to_i if md[4]

  difficulty = 6 if difficulty < 2

  sequence = []
  sequence.push "DicePool=#{dice_pool}, Difficulty=#{difficulty}, AutomaticSuccess=#{auto_success}"

  # 出力では Difficulty=11..12 もあり得る
  difficulty = 10 if difficulty > 10

  total_success = 0
  total_botch = 0
  once_success = false

  dice, ten_success, success, botch = roll_wod(dice_pool, difficulty)
  sequence.push dice.join(',')
  total_success += success
  total_botch += botch

  # 成功がひとつでもあったか覚えておく
  once_success = true if success > 0 || ten_success > 0

  if enabled_20th
    # 20周年記念版なら10の目は2成功扱い
    total_success += ten_success * 2
  else
    # Revised Editionでは10は1成功と数える
    total_success += ten_success

    # 振り足し判定ありなら10が出ただけ振り足しを行う
    if enabled_reroll || enabled_reroll_with_botch
      while ten_success > 0
        dice, ten_success, success, botch = roll_wod(ten_success, difficulty)
        sequence.push dice.join(',')
        total_success += (success + ten_success)

        if enabled_reroll_with_botch
          # 振り足しでのボッチありなら出目1をカウントする
          total_botch += botch
        end
      end
    end
  end

  total_success -= [total_success, total_botch].min

  total_success += auto_success # 意志力による自動成功は打ち消されない

  if total_success > 0
    sequence.push "成功数#{total_success}"
    return Result.success(sequence.join(''))
  elsif total_botch > 0 && once_success == false
    # ボッチが存在し、かつ成功がひとつもない場合のみ大失敗
    sequence.push "大失敗"
    return Result.fumble(sequence.join(''))
  else
    sequence.push "失敗"
    return Result.failure(sequence.join(''))
  end
end

#roll_wod(dice_pool, difficulty) ⇒ Object

出目10と1、難易度以上が出た成功の目をカウントする。それぞれの解釈はバージョンによって異なるため、呼び出し元で行う。



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# File 'lib/bcdice/game_system/WorldOfDarkness.rb', line 111

def roll_wod(dice_pool, difficulty)
  # FIXME: まとめて振る
  dice = Array.new(dice_pool) do
    dice_now = @randomizer.roll_once(10)
    dice_now
  end

  dice.sort!

  success = 0
  botch = 0
  ten_success = 0

  dice.each do |d|
    case d
    when 10
      ten_success += 1
    when difficulty...10
      success += 1
    when 1
      botch += 1
    end
  end

  return dice, ten_success, success, botch
end