gameServer/ServerState.hs
author nemo
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{-
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2004-2015 Andrey Korotaev <unC0Rr@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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 \-}
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module ServerState
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    (
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    module RoomsAndClients,
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    module JoinsMonitor,
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    clientRoomA,
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    ServerState(..),
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    client's,
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    allClientsS,
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    allRoomsS,
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    roomClientsS,
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    sameProtoClientsS,
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    io
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    ) where
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import Control.Monad.State.Strict
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import Data.Set as Set(Set)
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import Data.Word
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----------------------
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import RoomsAndClients
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import CoreTypes
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import JoinsMonitor
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data ServerState = ServerState {
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        clientIndex :: !(Maybe ClientIndex),
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        serverInfo :: !ServerInfo,
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        removedClients :: !(Set.Set ClientIndex),
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        roomsClients :: !MRnC,
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        joinsMonitor :: !JoinsMonitor
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    }
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clientRoomA :: StateT ServerState IO RoomIndex
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clientRoomA = do
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    (Just ci) <- gets clientIndex
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    rnc <- gets roomsClients
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    io $ clientRoomM rnc ci
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client's :: (ClientInfo -> a) -> StateT ServerState IO a
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client's f = do
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    (Just ci) <- gets clientIndex
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    rnc <- gets roomsClients
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    io $ client'sM rnc f ci
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allClientsS :: StateT ServerState IO [ClientInfo]
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allClientsS = gets roomsClients >>= liftIO . clientsM
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allRoomsS :: StateT ServerState IO [RoomInfo]
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allRoomsS = gets roomsClients >>= liftIO . roomsM
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roomClientsS :: RoomIndex -> StateT ServerState IO [ClientInfo]
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roomClientsS ri = do
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    rnc <- gets roomsClients
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    io $ roomClientsM rnc ri
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sameProtoClientsS :: Word16 -> StateT ServerState IO [ClientInfo]
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sameProtoClientsS p = liftM f allClientsS
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    where
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        f = filter (\c -> clientProto c == p)
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io :: IO a -> StateT ServerState IO a
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io = liftIO