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[fate core system](Update) Fudgeダイスにデフォルト値を設定など #813

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[fate core system](Update) Fudgeダイスにデフォルト値を設定など #813

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5b5c5a4
fudgeダイスの個数にデフォルト値(4)を設定。目標値による追記の仮実装。
Faceless192x Oct 27, 2025
322d953
トータルが目標値のTieもしくは+1の時の表示を目立つように改修(ルール処理が特殊)
Faceless192x Oct 27, 2025
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16 changes: 10 additions & 6 deletions lib/bcdice/game_system/FateCoreSystem.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -16,13 +16,13 @@ class FateCoreSystem < Base
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
x: ダイス数(省略時4)
y: 修正値（省略可）
t: 目標値値（省略可）
例）4DF, 4DF>=3, 4DF+1>=3
t: 目標値（省略可）
例）4DF, 4DF>=3, 4DF+1>=3, DF, DF>=3, DF+1>=3
MESSAGETEXT

register_prefix('\d+DF')
register_prefix('\d*DF')

def eval_game_system_specific_command(command)
roll_df(command)
Expand All @@ -40,7 +40,9 @@ def roll_df(command)
return nil
end

dice_list = roll_fate_dice(parsed.prefix_number)
dice_x = 4
dice_x = parsed.prefix_number if parsed.prefix_number
dice_list = roll_fate_dice(dice_x)
total = dice_list.sum() + parsed.modify_number

fate_dice_list = dice_list.map do |i|
Expand Down Expand Up @@ -103,7 +105,9 @@ def outcome(total, target)
if target.nil?
Result.new
elsif total == target
Result.success("Tie")
Result.success("Tie(+0)")
elsif total == target + 1
Result.success("Succeed(+1)")
elsif total >= target + 3
Result.critical("Succeed with Style")
elsif total >= target
Expand Down
40 changes: 38 additions & 2 deletions test/data/FateCoreSystem.toml
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Expand Up @@ -160,7 +160,7 @@ rands = [
[[ test ]]
game_system = "FateCoreSystem"
input = "4DF>=3"
output = "(4DF>=3) ＞ [+][+][+][+] ＞ Great(+4) ＞ Succeed"
output = "(4DF>=3) ＞ [+][+][+][+] ＞ Great(+4) ＞ Succeed(+1)"
success = true
rands = [
{ sides = 3, value = 3 },
Expand Down Expand Up @@ -197,7 +197,7 @@ rands = [
[[ test ]]
game_system = "FateCoreSystem"
input = "4DF+1>=3"
output = "(4DF+1>=3) ＞ [+][+][+][-]+1 ＞ Good(+3) ＞ Tie"
output = "(4DF+1>=3) ＞ [+][+][+][-]+1 ＞ Good(+3) ＞ Tie(+0)"
success = true
rands = [
{ sides = 3, value = 3 },
Expand All @@ -217,3 +217,39 @@ rands = [
{ sides = 3, value = 3 },
{ sides = 3, value = 1 },
]

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

[[ test ]]
game_system = "FateCoreSystem"
input = "DF+1>=3"
output = "(DF+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 },
]

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