author | koda |
Wed, 12 Jun 2013 01:02:33 +0200 | |
changeset 9203 | bcc25cb9b122 |
parent 8452 | 170afc3ac39f |
child 10215 | 26fc5502ba22 |
permissions | -rw-r--r-- |
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{-# LANGUAGE BangPatterns, GeneralizedNewtypeDeriving #-} |
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4905 | 3 |
module RoomsAndClients( |
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RoomIndex(), |
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ClientIndex(), |
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MRoomsAndClients(), |
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IRoomsAndClients(), |
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newRoomsAndClients, |
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addRoom, |
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addClient, |
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removeRoom, |
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removeClient, |
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modifyRoom, |
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modifyClient, |
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lobbyId, |
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moveClientToLobby, |
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moveClientToRoom, |
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clientRoomM, |
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clientExists, |
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client, |
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room, |
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client'sM, |
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room'sM, |
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allClientsM, |
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clientsM, |
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roomsM, |
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roomClientsM, |
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roomClientsIndicesM, |
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withRoomsAndClients, |
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allRooms, |
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allClients, |
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clientRoom, |
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showRooms, |
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roomClients |
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) where |
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||
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import Store |
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import Control.Monad |
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import Control.DeepSeq |
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||
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data Room r = Room { |
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roomClients' :: ![ClientIndex], |
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room' :: !r |
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} |
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||
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||
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data Client c = Client { |
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clientRoom' :: !RoomIndex, |
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client' :: !c |
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} |
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newtype RoomIndex = RoomIndex ElemIndex |
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deriving (Eq, NFData) |
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newtype ClientIndex = ClientIndex ElemIndex |
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deriving (Eq, Show, Read, Ord, NFData) |
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instance Show RoomIndex where |
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show (RoomIndex i) = 'r' : show i |
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unRoomIndex :: RoomIndex -> ElemIndex |
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unRoomIndex (RoomIndex r) = r |
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unClientIndex :: ClientIndex -> ElemIndex |
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unClientIndex (ClientIndex c) = c |
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newtype MRoomsAndClients r c = MRoomsAndClients (MStore (Room r), MStore (Client c)) |
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newtype IRoomsAndClients r c = IRoomsAndClients (IStore (Room r), IStore (Client c)) |
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lobbyId :: RoomIndex |
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lobbyId = RoomIndex firstIndex |
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newRoomsAndClients :: r -> IO (MRoomsAndClients r c) |
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newRoomsAndClients r = do |
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rooms <- newStore |
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clients <- newStore |
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let rnc = MRoomsAndClients (rooms, clients) |
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ri <- addRoom rnc r |
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when (ri /= lobbyId) $ error "Empty struct inserts not at firstIndex index" |
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return rnc |
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roomAddClient :: ClientIndex -> Room r -> Room r |
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roomAddClient cl rm = let cls = cl : roomClients' rm; nr = rm{roomClients' = cls} in cls `deepseq` nr |
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roomRemoveClient :: ClientIndex -> Room r -> Room r |
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roomRemoveClient cl rm = let cls = filter (/= cl) $ roomClients' rm; nr = rm{roomClients' = cls} in cls `deepseq` nr |
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addRoom :: MRoomsAndClients r c -> r -> IO RoomIndex |
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addRoom (MRoomsAndClients (rooms, _)) rm = do |
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i <- addElem rooms (Room [] rm) |
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return $ RoomIndex i |
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addClient :: MRoomsAndClients r c -> c -> IO ClientIndex |
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addClient (MRoomsAndClients (rooms, clients)) cl = do |
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i <- addElem clients (Client lobbyId cl) |
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modifyElem rooms (roomAddClient (ClientIndex i)) (unRoomIndex lobbyId) |
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return $ ClientIndex i |
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removeRoom :: MRoomsAndClients r c -> RoomIndex -> IO () |
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removeRoom rnc@(MRoomsAndClients (rooms, _)) rm@(RoomIndex ri) |
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| rm == lobbyId = error "Cannot delete lobby" |
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| otherwise = do |
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clIds <- liftM roomClients' $ readElem rooms ri |
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forM_ clIds (moveClientToLobby rnc) |
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removeElem rooms ri |
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removeClient :: MRoomsAndClients r c -> ClientIndex -> IO () |
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removeClient (MRoomsAndClients (rooms, clients)) cl@(ClientIndex ci) = do |
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RoomIndex ri <- liftM clientRoom' $ readElem clients ci |
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modifyElem rooms (roomRemoveClient cl) ri |
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removeElem clients ci |
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modifyRoom :: MRoomsAndClients r c -> (r -> r) -> RoomIndex -> IO () |
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modifyRoom (MRoomsAndClients (rooms, _)) f (RoomIndex ri) = modifyElem rooms (\r -> r{room' = f $ room' r}) ri |
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modifyClient :: MRoomsAndClients r c -> (c -> c) -> ClientIndex -> IO () |
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modifyClient (MRoomsAndClients (_, clients)) f (ClientIndex ci) = modifyElem clients (\c -> c{client' = f $ client' c}) ci |
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moveClientInRooms :: MRoomsAndClients r c -> RoomIndex -> RoomIndex -> ClientIndex -> IO () |
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moveClientInRooms (MRoomsAndClients (rooms, clients)) (RoomIndex riFrom) rt@(RoomIndex riTo) cl@(ClientIndex ci) = do |
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modifyElem rooms (roomRemoveClient cl) riFrom |
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modifyElem rooms (roomAddClient cl) riTo |
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modifyElem clients (\c -> c{clientRoom' = rt}) ci |
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moveClientToLobby :: MRoomsAndClients r c -> ClientIndex -> IO () |
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moveClientToLobby rnc ci = do |
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rm <- clientRoomM rnc ci |
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moveClientInRooms rnc rm lobbyId ci |
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moveClientToRoom :: MRoomsAndClients r c -> RoomIndex -> ClientIndex -> IO () |
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moveClientToRoom rnc = moveClientInRooms rnc lobbyId |
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clientExists :: MRoomsAndClients r c -> ClientIndex -> IO Bool |
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clientExists (MRoomsAndClients (_, clients)) (ClientIndex ci) = elemExists clients ci |
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clientRoomM :: MRoomsAndClients r c -> ClientIndex -> IO RoomIndex |
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clientRoomM (MRoomsAndClients (_, clients)) (ClientIndex ci) = liftM clientRoom' (clients `readElem` ci) |
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client'sM :: MRoomsAndClients r c -> (c -> a) -> ClientIndex -> IO a |
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client'sM (MRoomsAndClients (_, clients)) f (ClientIndex ci) = liftM (f . client') (clients `readElem` ci) |
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room'sM :: MRoomsAndClients r c -> (r -> a) -> RoomIndex -> IO a |
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room'sM (MRoomsAndClients (rooms, _)) f (RoomIndex ri) = liftM (f . room') (rooms `readElem` ri) |
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allClientsM :: MRoomsAndClients r c -> IO [ClientIndex] |
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allClientsM (MRoomsAndClients (_, clients)) = liftM (map ClientIndex) $ indicesM clients |
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clientsM :: MRoomsAndClients r c -> IO [c] |
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clientsM (MRoomsAndClients (_, clients)) = indicesM clients >>= mapM (liftM client' . readElem clients) |
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roomsM :: MRoomsAndClients r c -> IO [r] |
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roomsM (MRoomsAndClients (rooms, _)) = indicesM rooms >>= mapM (liftM room' . readElem rooms) |
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roomClientsIndicesM :: MRoomsAndClients r c -> RoomIndex -> IO [ClientIndex] |
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roomClientsIndicesM (MRoomsAndClients (rooms, _)) (RoomIndex ri) = liftM roomClients' (rooms `readElem` ri) |
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roomClientsM :: MRoomsAndClients r c -> RoomIndex -> IO [c] |
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roomClientsM (MRoomsAndClients (rooms, clients)) (RoomIndex ri) = liftM roomClients' (rooms `readElem` ri) >>= mapM (\(ClientIndex ci) -> liftM client' $ readElem clients ci) |
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withRoomsAndClients :: MRoomsAndClients r c -> (IRoomsAndClients r c -> a) -> IO a |
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withRoomsAndClients (MRoomsAndClients (rooms, clients)) f = |
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withIStore2 rooms clients (\r c -> f $ IRoomsAndClients (r, c)) |
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---------------------------------------- |
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----------- IRoomsAndClients ----------- |
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showRooms :: (Show r, Show c) => IRoomsAndClients r c -> String |
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showRooms rnc@(IRoomsAndClients (rooms, clients)) = concatMap showRoom (allRooms rnc) |
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where |
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showRoom r = unlines $ (show r ++ ": " ++ (show . room' $ rooms ! unRoomIndex r)) : map showClient (roomClients' $ rooms ! unRoomIndex r) |
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showClient c = " " ++ show c ++ ": " ++ (show . client' $ clients ! unClientIndex c) |
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allRooms :: IRoomsAndClients r c -> [RoomIndex] |
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allRooms (IRoomsAndClients (rooms, _)) = map RoomIndex $ indices rooms |
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allClients :: IRoomsAndClients r c -> [ClientIndex] |
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allClients (IRoomsAndClients (_, clients)) = map ClientIndex $ indices clients |
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clientRoom :: IRoomsAndClients r c -> ClientIndex -> RoomIndex |
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clientRoom (IRoomsAndClients (_, clients)) (ClientIndex ci) = clientRoom' (clients ! ci) |
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client :: IRoomsAndClients r c -> ClientIndex -> c |
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client (IRoomsAndClients (_, clients)) (ClientIndex ci) = client' (clients ! ci) |
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room :: IRoomsAndClients r c -> RoomIndex -> r |
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room (IRoomsAndClients (rooms, _)) (RoomIndex ri) = room' (rooms ! ri) |
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roomClients :: IRoomsAndClients r c -> RoomIndex -> [ClientIndex] |
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roomClients (IRoomsAndClients (rooms, _)) (RoomIndex ri) = roomClients' (rooms ! ri) |