gameServer/HWProtoLobbyState.hs
author unc0rr
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Prevent "free knocking" bug
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module HWProtoLobbyState where
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import qualified Data.Map as Map
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import qualified Data.IntMap as IntMap
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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 Maybe
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import Data.List
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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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answerAllTeams teams = concatMap toAnswer teams
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	where
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		toAnswer team =
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			[AnswerThisClient $ teamToNet 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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handleCmd_lobby :: CmdHandler
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handleCmd_lobby clID clients rooms ["LIST"] =
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	[AnswerThisClient ("ROOMS" : roomsInfoList)]
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	where
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		roomsInfoList = concatMap roomInfo $ sameProtoRooms
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		sameProtoRooms = filter (\r -> (roomProto r == protocol) && (not $ isRestrictedJoins r)) roomsList
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		roomsList = IntMap.elems rooms
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		protocol = clientProto client
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		client = clients IntMap.! clID
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		roomInfo room = [
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				name room,
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				(show $ playersIn room) ++ "(" ++ (show $ length $ teams room) ++ ")",
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				show $ gameinprogress room
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				]
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handleCmd_lobby clID clients _ ["CHAT", msg] =
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	[AnswerOthersInRoom ["CHAT", clientNick, msg]]
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	where
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		clientNick = nick $ clients IntMap.! clID
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handleCmd_lobby clID clients rooms ["CREATE_ROOM", newRoom, roomPassword] =
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	if haveSameRoom then
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		[Warning "Room exists"]
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	else if illegalName newRoom then
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		[Warning "Illegal room name"]
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	else
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		[RoomRemoveThisClient "", -- leave lobby
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		AddRoom newRoom roomPassword,
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		AnswerThisClient ["NOT_READY", clientNick]
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		]
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	where
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		clientNick = nick $ clients IntMap.! clID
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		haveSameRoom = isJust $ find (\room -> newRoom == name room) $ IntMap.elems rooms
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handleCmd_lobby clID clients rooms ["CREATE_ROOM", newRoom] =
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	handleCmd_lobby clID clients rooms ["CREATE_ROOM", newRoom, ""]
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handleCmd_lobby clID clients rooms ["JOIN_ROOM", roomName, roomPassword] =
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	if noSuchRoom then
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		[Warning "No such room"]
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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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		[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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		noSuchRoom = isNothing mbRoom
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		mbRoom = find (\r -> roomName == name r && roomProto r == clientProto client) $ IntMap.elems rooms 
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		jRoom = fromJust mbRoom
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		rID = roomUID jRoom
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		client = clients IntMap.! clID
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		roomClientsIDs = IntSet.elems $ playersIDs jRoom
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		answerNicks = if playersIn jRoom /= 0 then
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					[AnswerThisClient $ ["JOINED"] ++ (map (\clID -> nick $ clients IntMap.! clID) $ roomClientsIDs)]
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				else
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					[]
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		answerReady =
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			map (\c -> AnswerThisClient [if isReady c then "READY" else "NOT_READY", nick c]) $
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			map (\clID -> clients IntMap.! clID) 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 (teamsAtStart jRoom)
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			else
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				answerAllTeams (teams jRoom)
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handleCmd_lobby clID clients rooms ["JOIN_ROOM", roomName] =
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	handleCmd_lobby clID clients rooms ["JOIN_ROOM", roomName, ""]
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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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	if not $ isAdministrator client then
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		[]
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	else
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		if noSuchClient then
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			[]
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		else
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			if kickID == clID then
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				[]
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			else
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				[KickClient kickID]
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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_MESSAGE", newMessage] =
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	if not $ isAdministrator client then
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		[]
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	else
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		[ModifyServerInfo (\si -> si{serverMessage = newMessage})]
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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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	if not $ isAdministrator client then
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		[]
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	else
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		[ClearAccountsCache]
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	where
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		client = clients IntMap.! clID
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handleCmd_lobby clID _ _ _ = [ProtocolError "Incorrect command (state: in lobby)"]