gameServer/HWProtoLobbyState.hs
author nemo
Tue, 14 Dec 2010 19:36:12 -0500
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{-# LANGUAGE OverloadedStrings #-}
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module HWProtoLobbyState where
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import qualified Data.Map as Map
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import qualified Data.IntSet as IntSet
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import qualified Data.Foldable as Foldable
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import Data.Maybe
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import Data.List
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import Data.Word
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import Control.Monad.Reader
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import qualified Data.ByteString.Char8 as B
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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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{-answerAllTeams protocol teams = concatMap toAnswer teams
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    where
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        toAnswer team =
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            [AnswerThisClient $ teamToNet protocol team,
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            AnswerThisClient ["TEAM_COLOR", teamname team, teamcolor team],
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            AnswerThisClient ["HH_NUM", teamname team, show $ hhnum team]]
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-}
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handleCmd_lobby :: CmdHandler
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handleCmd_lobby ["LIST"] = do
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    (ci, irnc) <- ask
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    let cl = irnc `client` ci
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    rooms <- allRoomInfos
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    let roomsInfoList = concatMap (roomInfo irnc) . filter (\r -> (roomProto r == clientProto cl) && not (isRestrictedJoins r))
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    return [AnswerClients [sendChan cl] ("ROOMS" : roomsInfoList rooms)]
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    where
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        roomInfo irnc room = [
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                showB $ gameinprogress room,
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                name room,
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                showB $ playersIn room,
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                showB $ length $ teams room,
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                nick $ irnc `client` masterID room,
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                head (Map.findWithDefault ["+gen+"] "MAP" (params room)),
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                head (Map.findWithDefault ["Default"] "SCHEME" (params room)),
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                head (Map.findWithDefault ["Default"] "AMMO" (params room))
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                ]
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handleCmd_lobby ["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_lobby ["CREATE_ROOM", newRoom, roomPassword]
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    | illegalName newRoom = return [Warning "Illegal room name"]
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    | otherwise = do
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        rs <- allRoomInfos
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        cl <- thisClient
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        return $ if isJust $ find (\room -> newRoom == name room) rs then 
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            [Warning "Room exists"]
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            else
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            [
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                AddRoom newRoom roomPassword,
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                AnswerClients [sendChan cl] ["NOT_READY", nick cl]
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            ]
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handleCmd_lobby ["CREATE_ROOM", newRoom] =
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    handleCmd_lobby ["CREATE_ROOM", newRoom, ""]
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handleCmd_lobby ["JOIN_ROOM", roomName, roomPassword] = do
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    (ci, irnc) <- ask
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    let ris = allRooms irnc
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    cl <- thisClient
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    let maybeRI = find (\ri -> roomName == name (irnc `room` ri)) ris
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    let jRI = fromJust maybeRI
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    let jRoom = irnc `room` jRI
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    let jRoomClients = map (client irnc) $! roomClients irnc jRI -- no lazyness here!
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    return $
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        if isNothing maybeRI then 
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            [Warning "No such rooms"]
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            else if isRestrictedJoins jRoom then
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            [Warning "Joining restricted"]
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            else if roomPassword /= password jRoom then
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            [Warning "Wrong password"]
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            else
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            [
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                MoveToRoom jRI,
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                AnswerClients (map sendChan $ cl : jRoomClients) ["NOT_READY", nick cl]
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            ]
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            ++ [ AnswerClients [sendChan cl] $ "JOINED" : map nick jRoomClients | playersIn jRoom /= 0]
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            ++ (map (readynessMessage cl) jRoomClients)
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    where
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        readynessMessage cl c = AnswerClients [sendChan cl] [if isReady c then "READY" else "NOT_READY", nick c]
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{-
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handleCmd_lobby clID clients rooms ["JOIN_ROOM", roomName, roomPassword]
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    | noSuchRoom = [Warning "No such room"]
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    | isRestrictedJoins jRoom = [Warning "Joining restricted"]
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    | roomPassword /= password jRoom = [Warning "Wrong password"]
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    | otherwise =
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        [RoomRemoveThisClient "", -- leave lobby
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        RoomAddThisClient rID] -- join room
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        ++ answerNicks
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        ++ answerReady
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        ++ [AnswerThisRoom ["NOT_READY", nick client]]
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        ++ answerFullConfig
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        ++ answerTeams
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        ++ watchRound
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    where
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        answerNicks =
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            [AnswerThisClient $ "JOINED" :
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            map (\clID -> nick $ clients IntMap.! clID) roomClientsIDs | playersIn jRoom /= 0]
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        answerReady = map
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            ((\ c ->
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                AnswerThisClient
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                [if isReady c then "READY" else "NOT_READY", nick c])
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            . (\ clID -> clients IntMap.! clID))
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            roomClientsIDs
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        toAnswer (paramName, paramStrs) = AnswerThisClient $ "CFG" : paramName : paramStrs
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        answerFullConfig = map toAnswer (leftConfigPart ++ rightConfigPart)
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        (leftConfigPart, rightConfigPart) = partition (\(p, _) -> p /= "MAP") (Map.toList $ params jRoom)
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        watchRound = if not $ gameinprogress jRoom then
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                    []
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                else
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                    [AnswerThisClient  ["RUN_GAME"],
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                    AnswerThisClient $ "EM" : toEngineMsg "e$spectate 1" : Foldable.toList (roundMsgs jRoom)]
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        answerTeams = if gameinprogress jRoom then
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                answerAllTeams (clientProto client) (teamsAtStart jRoom)
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            else
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                answerAllTeams (clientProto client) (teams jRoom)
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-}
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handleCmd_lobby ["JOIN_ROOM", roomName] =
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    handleCmd_lobby ["JOIN_ROOM", roomName, ""]
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{-
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handleCmd_lobby clID clients rooms ["FOLLOW", asknick] =
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    if noSuchClient || roomID followClient == 0 then
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        []
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    else
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        handleCmd_lobby clID clients rooms ["JOIN_ROOM", roomName]
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    where
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        maybeClient = Foldable.find (\cl -> asknick == nick cl) clients
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        noSuchClient = isNothing maybeClient
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        followClient = fromJust maybeClient
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        roomName = name $ rooms IntMap.! roomID followClient
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    ---------------------------
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    -- Administrator's stuff --
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handleCmd_lobby clID clients rooms ["KICK", kickNick] =
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        [KickClient kickID | isAdministrator client && (not noSuchClient) && kickID /= clID]
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    where
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        client = clients IntMap.! clID
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        maybeClient = Foldable.find (\cl -> kickNick == nick cl) clients
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        noSuchClient = isNothing maybeClient
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        kickID = clientUID $ fromJust maybeClient
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handleCmd_lobby clID clients rooms ["BAN", banNick] =
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    if not $ isAdministrator client then
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        []
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    else
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        BanClient banNick : handleCmd_lobby clID clients rooms ["KICK", banNick]
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    where
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        client = clients IntMap.! clID
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handleCmd_lobby clID clients rooms ["SET_SERVER_VAR", "MOTD_NEW", newMessage] =
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        [ModifyServerInfo (\si -> si{serverMessage = newMessage}) | isAdministrator client]
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    where
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        client = clients IntMap.! clID
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handleCmd_lobby clID clients rooms ["SET_SERVER_VAR", "MOTD_OLD", newMessage] =
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        [ModifyServerInfo (\si -> si{serverMessageForOldVersions = newMessage}) | isAdministrator client]
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    where
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        client = clients IntMap.! clID
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handleCmd_lobby clID clients rooms ["SET_SERVER_VAR", "LATEST_PROTO", protoNum] =
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    [ModifyServerInfo (\si -> si{latestReleaseVersion = fromJust readNum}) | isAdministrator client && isJust readNum]
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    where
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        client = clients IntMap.! clID
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        readNum = maybeRead protoNum :: Maybe Word16
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handleCmd_lobby clID clients rooms ["GET_SERVER_VAR"] =
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    [SendServerVars | isAdministrator client]
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    where
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        client = clients IntMap.! clID
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handleCmd_lobby clID clients rooms ["CLEAR_ACCOUNTS_CACHE"] =
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        [ClearAccountsCache | isAdministrator client]
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    where
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        client = clients IntMap.! clID
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-}
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handleCmd_lobby _ = return [ProtocolError "Incorrect command (state: in lobby)"]