gameServer/HandlerUtils.hs
author Mitchell Kember <mk12360@gmail.com>
Fri, 30 Nov 2012 20:00:53 -0500
changeset 8149 237802cf4610
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permissions -rw-r--r--
Google Code-in: Center help text field Modifies the grid layout slightly so that the help text which appears when hovering over certain elements is centered with respect to the window, even when there are more buttons on one side. https://google-melange.appspot.com/gci/task/view/google/gci2012/7968226
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module HandlerUtils where
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import Control.Monad.Reader
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import qualified Data.ByteString.Char8 as B
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import Data.List
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import RoomsAndClients
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import CoreTypes
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import Actions
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thisClient :: Reader (ClientIndex, IRnC) ClientInfo
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thisClient = do
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    (ci, rnc) <- ask
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    return $ rnc `client` ci
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thisRoom :: Reader (ClientIndex, IRnC) RoomInfo
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thisRoom = do
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    (ci, rnc) <- ask
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    let ri = clientRoom rnc ci
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    return $ rnc `room` ri
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clientNick :: Reader (ClientIndex, IRnC) B.ByteString
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clientNick = liftM nick thisClient
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roomOthersChans :: Reader (ClientIndex, IRnC) [ClientChan]
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roomOthersChans = do
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    (ci, rnc) <- ask
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    let ri = clientRoom rnc ci
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    return $ map (sendChan . client rnc) $ filter (/= ci) (roomClients rnc ri)
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roomSameClanChans :: Reader (ClientIndex, IRnC) [ClientChan]
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roomSameClanChans = do
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    (ci, rnc) <- ask
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    let ri = clientRoom rnc ci
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    let otherRoomClients = map (client rnc) . filter (/= ci) $ roomClients rnc ri
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    let cl = rnc `client` ci
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    let sameClanClients = Prelude.filter (\c -> clientClan c == clientClan cl) otherRoomClients
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    return $ map sendChan sameClanClients
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roomClientsChans :: Reader (ClientIndex, IRnC) [ClientChan]
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roomClientsChans = do
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    (ci, rnc) <- ask
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    let ri = clientRoom rnc ci
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    return $ map (sendChan . client rnc) (roomClients rnc ri)
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thisClientChans :: Reader (ClientIndex, IRnC) [ClientChan]
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thisClientChans = do
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    (ci, rnc) <- ask
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    return [sendChan (rnc `client` ci)]
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sameProtoChans :: Reader (ClientIndex, IRnC) [ClientChan]
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sameProtoChans = do
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    (ci, rnc) <- ask
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    let p = clientProto (rnc `client` ci)
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    return . map sendChan . filter (\c -> clientProto c == p) . map (client rnc) $ allClients rnc
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answerClient :: [B.ByteString] -> Reader (ClientIndex, IRnC) [Action]
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answerClient msg = liftM ((: []) . flip AnswerClients msg) thisClientChans
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allRoomInfos :: Reader (a, IRnC) [RoomInfo]
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allRoomInfos = liftM ((\irnc -> map (room irnc) $ allRooms irnc) . snd) ask
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clientByNick :: B.ByteString -> Reader (ClientIndex, IRnC) (Maybe ClientIndex)
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clientByNick n = do
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    (_, rnc) <- ask
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    let allClientIDs = allClients rnc
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    return $ find (\clId -> n == nick (client rnc clId)) allClientIDs
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