Class: BCDice::GameSystem::AFF2e

Inherits:
Base
  • Object
show all
Defined in:
lib/bcdice/game_system/AFF2e.rb

Constant Summary collapse

ID =

ゲームシステムの識別子

'AFF2e'
NAME =

ゲームシステム名

'ADVANCED FIGHTING FANTASY 2nd Edition'
SORT_KEY =

ゲームシステム名の読みがな

'あとはんすとふあいていんくふあんたしい2'
HELP_MESSAGE =

ダイスボットの使い方

<<~MESSAGETEXT
  対抗なしロール\tFF{目標値}+{補正}
  対抗ロール\tFR{能力値}+{補正}
  武器ロール\tFD[2,3,3,3,3,3,4]+{補正}
  防具ロール\tFD[0,0,0,0,1+1,1+1,2+2]+{補正}
MESSAGETEXT

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

#clamp(i, min, max) ⇒ Object 



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# File 'lib/bcdice/game_system/AFF2e.rb', line 62

def clamp(i, min, max)
  if i < min
    min
  elsif i > max
    max
  else
    i
  end
end

#critical(total) ⇒ Object 



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# File 'lib/bcdice/game_system/AFF2e.rb', line 53

def critical(total)
  case total
  when  2
    'ファンブル！'
  when 12
    '強打！'
  end
end

#eval_game_system_specific_command(command) ⇒ Object 



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# File 'lib/bcdice/game_system/AFF2e.rb', line 72

def eval_game_system_specific_command(command)
  case command
  when /\AFF/
    # 対抗なしロール
    # '成功' or '失敗' を出力する
    #
    md = Regexp.last_match
    term = md.post_match

    # 目標値
    diff = eval_term(term)

    dice_command = "2D6<=#{diff}"
    dice_list = @randomizer.roll_barabara(2, 6)
    total = dice_list.sum()
    dice_str = dice_list.join(",")
    expr = "#{total}[#{dice_str}]"
    succ = successful_or_failed(total, diff)
    sequence = [parentheses(dice_command), expr, succ]
  when /\AFR/
    # 対抗ロール
    # 値を出力する
    #
    md = Regexp.last_match
    term = md.post_match

    # 補正値
    corr = eval_term(term)

    dice_command = "2D6#{explicit_sign corr}"
    dice_list = @randomizer.roll_barabara(2, 6)
    total = dice_list.sum()
    dice_str = dice_list.join(",")
    expr = "#{total}[#{dice_str}]#{explicit_sign corr}"
    crit = critical(total)
    sequence = [parentheses(dice_command), expr, crit, total + corr].compact
  when /\AFD/
    # 武器防具ロール
    # ダメージを出力する
    #
    md = Regexp.last_match
    term = md.post_match
    md = /\A\[(.+)\]/.match(term)
    unless md
      return 'ダメージスロットは必須です。'
    end

    term = md.post_match
    damage_slots = md[1].split(',').map { |t| eval_term(t) }
    if damage_slots.size != 7
      return 'ダメージスロットの長さに誤りがあります。'
    end

    # 補正値
    corr = eval_term(term)

    dice_command = "1D6#{explicit_sign corr}"
    total = @randomizer.roll_once(6)
    expr = "#{total}#{explicit_sign corr}"
    slot_number = clamp(total + corr, 1, 7)
    damage = damage_slots[slot_number - 1]
    sequence = [parentheses(dice_command), expr, total + corr, "#{damage}ダメージ"]
  end

  result = sequence.join(' ＞ ')
  return result
end

#eval_term(term) ⇒ Object 



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# File 'lib/bcdice/game_system/AFF2e.rb', line 30

def eval_term(term)
  value = 0
  term.scan(/[+-]?\d+/) do |fact|
    value += fact.to_i
  end
  value
end

#explicit_sign(i) ⇒ Object 



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# File 'lib/bcdice/game_system/AFF2e.rb', line 26

def explicit_sign(i)
  format('%+d', i)
end

#parentheses(str) ⇒ Object 



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# File 'lib/bcdice/game_system/AFF2e.rb', line 38

def parentheses(str)
  '(' + str + ')'
end

#successful_or_failed(total, diff) ⇒ Object 



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# File 'lib/bcdice/game_system/AFF2e.rb', line 42

def successful_or_failed(total, diff)
  case total
  when  2
    diff <=  1 ? '成功（大成功ではない）' : '大成功！'
  when 12
    diff >= 12 ? '失敗（大失敗ではない）' : '大失敗！'
  else
    total <= diff ? '成功' : '失敗'
  end
end