gameServer/HWProtoInRoomState.hs
author unc0rr
Mon, 26 Nov 2012 00:06:42 +0400
branchflibqtfrontend
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{-# LANGUAGE OverloadedStrings #-}
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module HWProtoInRoomState where
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import qualified Data.Map as Map
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import Data.Sequence((|>))
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import Data.List as L
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import Data.Maybe
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import qualified Data.ByteString.Char8 as B
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import Control.Monad
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import Control.Monad.Reader
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import Control.DeepSeq
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--------------------------------------
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import CoreTypes
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import Actions
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import Utils
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import HandlerUtils
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import RoomsAndClients
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import EngineInteraction
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handleCmd_inRoom :: CmdHandler
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handleCmd_inRoom ["CHAT", msg] = do
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    n <- clientNick
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    s <- roomOthersChans
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    return [AnswerClients s ["CHAT", n, msg]]
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handleCmd_inRoom ["PART"] = return [MoveToLobby "part"]
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handleCmd_inRoom ["PART", msg] = return [MoveToLobby $ "part: " `B.append` msg]
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handleCmd_inRoom ("CFG" : paramName : paramStrs)
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    | null paramStrs = return [ProtocolError "Empty config entry"]
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    | otherwise = do
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        chans <- roomOthersChans
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        cl <- thisClient
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        if isMaster cl then
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           return [
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                ModifyRoom f,
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                AnswerClients chans ("CFG" : paramName : paramStrs)]
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            else
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            return [ProtocolError "Not room master"]
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    where
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        f r = if paramName `Map.member` (mapParams r) then
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                r{mapParams = Map.insert paramName (head paramStrs) (mapParams r)}
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                else
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                r{params = Map.insert paramName paramStrs (params r)}
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handleCmd_inRoom ("ADD_TEAM" : tName : color : grave : fort : voicepack : flag : difStr : hhsInfo)
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    | length hhsInfo /= 16 = return [ProtocolError "Corrupted hedgehogs info"]
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    | otherwise = do
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        (ci, _) <- ask
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        rm <- thisRoom
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        clNick <- clientNick
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        clChan <- thisClientChans
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        othChans <- roomOthersChans
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        roomChans <- roomClientsChans
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        cl <- thisClient
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        teamColor <-
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            if clientProto cl < 42 then 
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                return color
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                else
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                liftM (head . (L.\\) (map B.singleton ['0'..]) . map teamcolor . teams) thisRoom
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        let newTeam = clNick `seq` TeamInfo ci clNick tName teamColor grave fort voicepack flag dif (newTeamHHNum rm) (hhsList hhsInfo)
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        return $
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            if not . null . drop (maxTeams rm - 1) $ teams rm then
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                [Warning "too many teams"]
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            else if canAddNumber rm <= 0 then
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                [Warning "too many hedgehogs"]
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            else if isJust $ findTeam rm then
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                [Warning "There's already a team with same name in the list"]
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            else if isJust $ gameInfo rm then
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                [Warning "round in progress"]
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            else if isRestrictedTeams rm then
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                [Warning "restricted"]
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            else
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                [ModifyRoom (\r -> r{teams = teams r ++ [newTeam]}),
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                SendUpdateOnThisRoom,
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                ModifyClient (\c -> c{teamsInGame = teamsInGame c + 1, clientClan = Just teamColor}),
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                AnswerClients clChan ["TEAM_ACCEPTED", tName],
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                AnswerClients othChans $ teamToNet $ newTeam,
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                AnswerClients roomChans ["TEAM_COLOR", tName, teamColor]
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                ]
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        where
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        canAddNumber r = 48 - (sum . map hhnum $ teams r)
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        findTeam = find (\t -> tName == teamname t) . teams
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        dif = readInt_ difStr
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        hhsList [] = []
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        hhsList [_] = error "Hedgehogs list with odd elements number"
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        hhsList (n:h:hhs) = HedgehogInfo n h : hhsList hhs
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        newTeamHHNum r = min 4 (canAddNumber r)
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        maxTeams r
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            | roomProto r < 38 = 6
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            | otherwise = 8
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handleCmd_inRoom ["REMOVE_TEAM", tName] = do
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        (ci, _) <- ask
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        r <- thisRoom
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        clNick <- clientNick
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        let maybeTeam = findTeam r
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        let team = fromJust maybeTeam
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        return $
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            if isNothing $ findTeam r then
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                [Warning "REMOVE_TEAM: no such team"]
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            else if clNick /= teamowner team then
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                [ProtocolError "Not team owner!"]
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            else
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                [RemoveTeam tName,
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                ModifyClient
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                    (\c -> c{
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                        teamsInGame = teamsInGame c - 1,
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                        clientClan = if teamsInGame c == 1 then Nothing else Just $ anotherTeamClan ci r
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                    })
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                ]
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    where
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        anotherTeamClan ci = teamcolor . fromJust . find (\t -> teamownerId t == ci) . teams
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        findTeam = find (\t -> tName == teamname t) . teams
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handleCmd_inRoom ["HH_NUM", teamName, numberStr] = do
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    cl <- thisClient
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    others <- roomOthersChans
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    r <- thisRoom
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    let maybeTeam = findTeam r
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    let team = fromJust maybeTeam
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    return $
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        if not $ isMaster cl then
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            [ProtocolError "Not room master"]
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        else if hhNumber < 1 || hhNumber > 8 || isNothing maybeTeam || hhNumber > canAddNumber r + hhnum team then
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            []
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        else
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            [ModifyRoom $ modifyTeam team{hhnum = hhNumber},
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            AnswerClients others ["HH_NUM", teamName, showB hhNumber]]
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    where
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        hhNumber = readInt_ numberStr
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        findTeam = find (\t -> teamName == teamname t) . teams
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        canAddNumber = (-) 48 . sum . map hhnum . teams
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handleCmd_inRoom ["TEAM_COLOR", teamName, newColor] = do
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    cl <- thisClient
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    others <- roomOthersChans
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    r <- thisRoom
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    let maybeTeam = findTeam r
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    let team = fromJust maybeTeam
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    return $
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        if not $ isMaster cl then
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            [ProtocolError "Not room master"]
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        else if isNothing maybeTeam then
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            []
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        else
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            [ModifyRoom $ modifyTeam team{teamcolor = newColor},
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            AnswerClients others ["TEAM_COLOR", teamName, newColor],
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            ModifyClient2 (teamownerId team) (\c -> c{clientClan = Just newColor})]
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    where
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        findTeam = find (\t -> teamName == teamname t) . teams
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handleCmd_inRoom ["TOGGLE_READY"] = do
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    cl <- thisClient
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    chans <- roomClientsChans
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    if isMaster cl then
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        return []
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        else
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        return [
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            ModifyRoom (\r -> r{readyPlayers = readyPlayers r + (if isReady cl then -1 else 1)}),
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            ModifyClient (\c -> c{isReady = not $ isReady cl}),
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            AnswerClients chans $ if clientProto cl < 38 then
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                    [if isReady cl then "NOT_READY" else "READY", nick cl]
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                    else
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                    ["CLIENT_FLAGS", if isReady cl then "-r" else "+r", nick cl]
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            ]
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handleCmd_inRoom ["START_GAME"] = do
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    (ci, rnc) <- ask
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    cl <- thisClient
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    rm <- thisRoom
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    chans <- roomClientsChans
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    let nicks = map (nick . client rnc) . roomClients rnc $ clientRoom rnc ci
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    let allPlayersRegistered = all ((<) 0 . B.length . webPassword . client rnc . teamownerId) $ teams rm
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    if isMaster cl && playersIn rm == readyPlayers rm && not (isJust $ gameInfo rm) then
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        if enoughClans rm then
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            return [
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                ModifyRoom
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                    (\r -> r{
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                        gameInfo = Just $ newGameInfo (teams rm) (length $ teams rm) allPlayersRegistered (mapParams rm) (params rm)
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                        }
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                    )
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                , AnswerClients chans ["RUN_GAME"]
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                , SendUpdateOnThisRoom
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                , AnswerClients chans $ "CLIENT_FLAGS" : "+g" : nicks
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                , ModifyRoomClients (\c -> c{isInGame = True})
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                ]
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            else
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            return [Warning "Less than two clans!"]
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        else
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        return []
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    where
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        enoughClans = not . null . drop 1 . group . map teamcolor . teams
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handleCmd_inRoom ["EM", msg] = do
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    cl <- thisClient
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    rm <- thisRoom
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    chans <- roomOthersChans
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    if teamsInGame cl > 0 && (isJust $ gameInfo rm) && isLegal then
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        return $ AnswerClients chans ["EM", msg] : [ModifyRoom (\r -> r{gameInfo = liftM (\g -> g{roundMsgs = roundMsgs g |> msg}) $ gameInfo r}) | not isKeepAlive]
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        else
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        return []
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    where
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        (isLegal, isKeepAlive) = checkNetCmd msg
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handleCmd_inRoom ["ROUNDFINISHED", correctly] = do
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    cl <- thisClient
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    rm <- thisRoom
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    chans <- roomClientsChans
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    let clTeams = map teamname . filter (\t -> teamowner t == nick cl) . teams $ rm
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    let unsetInGameState = [AnswerClients chans ["CLIENT_FLAGS", "-g", nick cl], ModifyClient (\c -> c{isInGame = False})]
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    if isInGame cl then
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        if isJust $ gameInfo rm then
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            if (isMaster cl && isCorrect) then
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                return $ FinishGame : unsetInGameState
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                else
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                return $ unsetInGameState ++ map SendTeamRemovalMessage clTeams
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            else
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            return unsetInGameState
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        else
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        return [] -- don't accept this message twice
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    where
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        isCorrect = correctly == "1"
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   244
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-- compatibility with clients with protocol < 38
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handleCmd_inRoom ["ROUNDFINISHED"] =
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    handleCmd_inRoom ["ROUNDFINISHED", "1"]
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handleCmd_inRoom ["TOGGLE_RESTRICT_JOINS"] = do
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    cl <- thisClient
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    return $
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        if not $ isMaster cl then
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            [ProtocolError "Not room master"]
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        else
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            [ModifyRoom (\r -> r{isRestrictedJoins = not $ isRestrictedJoins r})]
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handleCmd_inRoom ["TOGGLE_RESTRICT_TEAMS"] = do
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    cl <- thisClient
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    return $
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        if not $ isMaster cl then
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            [ProtocolError "Not room master"]
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        else
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            [ModifyRoom (\r -> r{isRestrictedTeams = not $ isRestrictedTeams r})]
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handleCmd_inRoom ["ROOM_NAME", newName] = do
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    cl <- thisClient
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    rs <- allRoomInfos
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    rm <- thisRoom
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    chans <- sameProtoChans
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    return $
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        if not $ isMaster cl then
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            [ProtocolError "Not room master"]
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        else
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        if isJust $ find (\r -> newName == name r) rs then
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            [Warning "Room with such name already exists"]
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        else
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            [ModifyRoom roomUpdate,
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            AnswerClients chans ("ROOM" : "UPD" : name rm : roomInfo (nick cl) (roomUpdate rm))]
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    where
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        roomUpdate r = r{name = newName}
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handleCmd_inRoom ["KICK", kickNick] = do
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    (thisClientId, rnc) <- ask
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    maybeClientId <- clientByNick kickNick
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    master <- liftM isMaster thisClient
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    let kickId = fromJust maybeClientId
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    let sameRoom = clientRoom rnc thisClientId == clientRoom rnc kickId
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    return
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        [KickRoomClient kickId | master && isJust maybeClientId && (kickId /= thisClientId) && sameRoom]
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handleCmd_inRoom ["TEAMCHAT", msg] = do
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    cl <- thisClient
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    chans <- roomSameClanChans
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    return [AnswerClients chans ["EM", engineMsg cl]]
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    where
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        engineMsg cl = toEngineMsg $ B.concat ["b", nick cl, "(team): ", msg, "\x20\x20"]
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handleCmd_inRoom ["BAN", banNick] = do
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    (thisClientId, rnc) <- ask
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    maybeClientId <- clientByNick banNick
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    master <- liftM isMaster thisClient
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    let banId = fromJust maybeClientId
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    let sameRoom = clientRoom rnc thisClientId == clientRoom rnc banId
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    if master && isJust maybeClientId && (banId /= thisClientId) && sameRoom then
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        return [
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                ModifyRoom (\r -> r{roomBansList = let h = host $ rnc `client` banId in h `deepseq` h : roomBansList r})
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              , KickRoomClient banId
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            ]
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        else
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        return []
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handleCmd_inRoom ["LIST"] = return [] -- for old clients (<= 0.9.17)
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handleCmd_inRoom (s:_) = return [ProtocolError $ "Incorrect command '" `B.append` s `B.append` "' (state: in room)"]
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handleCmd_inRoom [] = return [ProtocolError "Empty command (state: in room)"]