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Fate Core System #499

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merged 2 commits into from
Oct 16, 2021
Merged

Fate Core System #499

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91b06e5
FateCoreSystem
ysakasin Sep 12, 2021
f16d161
[FateCoreSystem] ヘルプメッセージ
ysakasin Oct 16, 2021
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1 change: 1 addition & 0 deletions lib/bcdice/game_system.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,7 @@
require "bcdice/game_system/Emoklore"
require "bcdice/game_system/EndBreaker"
require "bcdice/game_system/EtrianOdysseySRS"
require "bcdice/game_system/FateCoreSystem"
require "bcdice/game_system/Fiasco"
require "bcdice/game_system/Fiasco_Korean"
require "bcdice/game_system/FilledWith"
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117 changes: 117 additions & 0 deletions lib/bcdice/game_system/FateCoreSystem.rb
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@@ -0,0 +1,117 @@
# frozen_string_literal: true

module BCDice
module GameSystem
class FateCoreSystem < Base
# ゲームシステムの識別子
ID = 'FateCoreSystem'

# ゲームシステム名
NAME = 'Fate Core System'

# ゲームシステム名の読みがな
SORT_KEY = 'ふえいとこあしすてむ'

# ダイスボットの使い方
HELP_MESSAGE = <<~MESSAGETEXT
■ ファッジダイスによる判定 (xDF+y>=t)
ファッジダイスをx個ダイスロールし、結果を判定します。
x: ダイス数
y: 修正値（省略可）
t: 目標値値（省略可）
例）4DF, 4DF>=3, 4DF+1>=3
MESSAGETEXT

register_prefix('\d+DF')

def eval_game_system_specific_command(command)
roll_df(command)
end

private

def roll_df(command)
parser = Command::Parser.new("DF", round_type: @round_type)
.enable_prefix_number()
.restrict_cmp_op_to(:>=, nil)

parsed = parser.parse(command)
unless parsed
return nil
end

dice_list = roll_fate_dice(parsed.prefix_number)
total = dice_list.sum() + parsed.modify_number

fate_dice_list = dice_list.map do |i|
if i.zero?
"[ ]"
elsif i.positive?
"[+]"
else
"[-]"
end
end

result = outcome(total, parsed.target_number)
sequence = [
"(#{parsed})",
"#{fate_dice_list.join()}#{Format.modifier(parsed.modify_number)}",
result_ladder(total),
result.text,
]

result.text = sequence.compact.join(" ＞ ")
return result
end

def roll_fate_dice(times)
@randomizer.roll_barabara(times, 3).map { |i| i - 2 }
end

def result_ladder(total)
ladder =
case total.clamp(-2, 8)
when 8
"Legendary"
when 7
"Epic"
when 6
"Fantastic"
when 5
"Superb"
when 4
"Great"
when 3
"Good"
when 2
"Fair"
when 1
"Average"
when 0
"Mediocre"
when -1
"Poor"
else
"Terrible"
end

return "#{ladder}(#{format('%+d', total)})"
end

def outcome(total, target)
if target.nil?
Result.new
elsif total == target
Result.success("Tie")
elsif total >= target + 3
Result.critical("Succeed with Style")
elsif total >= target
Result.success("Succeed")
else
Result.failure("Fail")
end
end
end
end
end
219 changes: 219 additions & 0 deletions test/data/FateCoreSystem.toml
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[[ test ]]
game_system = "FateCoreSystem"
input = "4DF"
output = "(4DF) ＞ [-][ ][-][-] ＞ Terrible(-3)"
rands = [
{ sides = 3, value = 1 },
{ sides = 3, value = 2 },
{ sides = 3, value = 1 },
{ sides = 3, value = 1 },
]

[[ test ]]
game_system = "FateCoreSystem"
input = "4DF"
output = "(4DF) ＞ [-][ ][-][ ] ＞ Terrible(-2)"
rands = [
{ sides = 3, value = 1 },
{ sides = 3, value = 2 },
{ sides = 3, value = 1 },
{ sides = 3, value = 2 },
]

[[ test ]]
game_system = "FateCoreSystem"
input = "4DF"
output = "(4DF) ＞ [ ][ ][-][ ] ＞ Poor(-1)"
rands = [
{ sides = 3, value = 2 },
{ sides = 3, value = 2 },
{ sides = 3, value = 1 },
{ sides = 3, value = 2 },
]

[[ test ]]
game_system = "FateCoreSystem"
input = "4DF"
output = "(4DF) ＞ [ ][ ][ ][ ] ＞ Mediocre(+0)"
rands = [
{ sides = 3, value = 2 },
{ sides = 3, value = 2 },
{ sides = 3, value = 2 },
{ sides = 3, value = 2 },
]

[[ test ]]
game_system = "FateCoreSystem"
input = "4DF"
output = "(4DF) ＞ [+][ ][ ][ ] ＞ Average(+1)"
rands = [
{ sides = 3, value = 3 },
{ sides = 3, value = 2 },
{ sides = 3, value = 2 },
{ sides = 3, value = 2 },
]

[[ test ]]
game_system = "FateCoreSystem"
input = "4DF"
output = "(4DF) ＞ [+][+][ ][ ] ＞ Fair(+2)"
rands = [
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 2 },
{ sides = 3, value = 2 },
]

[[ test ]]
game_system = "FateCoreSystem"
input = "4DF"
output = "(4DF) ＞ [+][+][+][ ] ＞ Good(+3)"
rands = [
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 2 },
]

[[ test ]]
game_system = "FateCoreSystem"
input = "4DF"
output = "(4DF) ＞ [+][+][+][+] ＞ Great(+4)"
rands = [
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
]

[[ test ]]
game_system = "FateCoreSystem"
input = "5DF"
output = "(5DF) ＞ [+][+][+][+][+] ＞ Superb(+5)"
rands = [
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
]

[[ test ]]
game_system = "FateCoreSystem"
input = "5DF+1"
output = "(5DF+1) ＞ [+][+][+][+][+]+1 ＞ Fantastic(+6)"
rands = [
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
]

[[ test ]]
game_system = "FateCoreSystem"
input = "5DF+2"
output = "(5DF+2) ＞ [+][+][+][+][+]+2 ＞ Epic(+7)"
rands = [
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
]

[[ test ]]
game_system = "FateCoreSystem"
input = "5DF+3"
output = "(5DF+3) ＞ [+][+][+][+][+]+3 ＞ Legendary(+8)"
rands = [
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
]

[[ test ]]
game_system = "FateCoreSystem"
input = "5DF+4"
output = "(5DF+4) ＞ [+][+][+][+][+]+4 ＞ Legendary(+9)"
rands = [
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
]

[[ test ]]
game_system = "FateCoreSystem"
input = "4DF"
output = "(4DF) ＞ [ ][-][ ][+] ＞ Mediocre(+0)"
rands = [
{ sides = 3, value = 2 },
{ sides = 3, value = 1 },
{ sides = 3, value = 2 },
{ sides = 3, value = 3 },
]

[[ test ]]
game_system = "FateCoreSystem"
input = "4DF>=3"
output = "(4DF>=3) ＞ [+][+][+][+] ＞ Great(+4) ＞ Succeed"
success = true
rands = [
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
]

[[ test ]]
game_system = "FateCoreSystem"
input = "4DF+1>=3"
output = "(4DF+1>=3) ＞ [+][+][+][+]+1 ＞ Superb(+5) ＞ Succeed"
success = true
rands = [
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
]

[[ test ]]
game_system = "FateCoreSystem"
input = "4DF+2>=3"
output = "(4DF+2>=3) ＞ [+][+][+][+]+2 ＞ Fantastic(+6) ＞ Succeed with Style"
success = true
critical = true
rands = [
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
]

[[ test ]]
game_system = "FateCoreSystem"
input = "4DF+1>=3"
output = "(4DF+1>=3) ＞ [+][+][+][-]+1 ＞ Good(+3) ＞ Tie"
success = true
rands = [
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 3 },
{ sides = 3, value = 1 },
]

[[ test ]]
game_system = "FateCoreSystem"
input = "4DF+1>=3"
output = "(4DF+1>=3) ＞ [+][ ][+][-]+1 ＞ Fair(+2) ＞ Fail"
failure = true
rands = [
{ sides = 3, value = 3 },
{ sides = 3, value = 2 },
{ sides = 3, value = 3 },
{ sides = 3, value = 1 },
]