55 lines
1.9 KiB
Haskell
55 lines
1.9 KiB
Haskell
module Groups where
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type Group = [MainCharacter]
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type NeoTokyo = [Group]
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data MainCharacter = Asuka | Shinji | Rei | Misato | Ritsuko | Gendo
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deriving (Show, Eq)
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-- Each characters default adjacents
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defFrens :: MainCharacter -> [MainCharacter]
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defFrens Asuka = [Rei, Shinji, Misato]
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defFrens Shinji = [Rei, Gendo, Ritsuko, Misato, Asuka]
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defFrens Rei = [Gendo, Shinji, Asuka]
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defFrens Misato = [Asuka, Shinji, Ritsuko]
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defFrens Ritsuko = [Misato, Shinji, Gendo]
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defFrens Gendo = [Rei, Shinji, Ritsuko]
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-- The group that character x belongs to
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charsGroup :: MainCharacter -> NeoTokyo -> Group
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charsGroup x nt = head $ filter (\g -> x `elem` g) nt
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-- The characters currently grouped with x
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curFrens :: MainCharacter -> NeoTokyo -> [MainCharacter]
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curFrens x nt = filter (/= x) $ charsGroup x nt
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-- Remove duplicates, stabily
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uniq :: (Eq a) => [a] -> [a]
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uniq x = reverse $ go x []
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where
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go [] al = al
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go (c:cs) al = if (c `elem` al) then (go cs al) else (go cs (c:al))
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-- The groups a character is adaject to
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adjGroups :: MainCharacter -> NeoTokyo -> [Group]
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adjGroups x nt = filter (\g -> any (\x -> x `elem` adjFrens) g) (otherGroups x nt)
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where
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adjFrens = uniq $ foldr (++) [] (map defFrens $ charsGroup x nt)
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-- The groups a character isnt in
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otherGroups :: MainCharacter -> NeoTokyo -> [Group]
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otherGroups x nt = filter (\g -> not $ x `elem` g) nt
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-- All characters a X is adjacent to
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getAdj :: MainCharacter -> NeoTokyo -> [MainCharacter]
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getAdj x nt = curFrens x nt ++ (foldr (++) [] (adjGroups x nt))
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-- Hurt character x
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hurt :: MainCharacter -> NeoTokyo -> NeoTokyo
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hurt x nt
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| curFrens x nt == [] = nt
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| otherwise = [x] : (filter (/= x) $ charsGroup x nt) : (otherGroups x nt)
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-- Attract X and Y
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attract :: MainCharacter -> MainCharacter -> NeoTokyo -> NeoTokyo
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attract x y nt = (uniq (charsGroup x nt ++ charsGroup y nt)) : (otherGroups y (otherGroups x nt))
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