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{-
* Hedgewars, a free turn based strategy game
* Copyright (c) 2004-2015 Andrey Korotaev <unC0Rr@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
\-}
module HandlerUtils where
import Control.Monad
import Control.Monad.Reader
import qualified Data.ByteString.Char8 as B
import Data.List
import RoomsAndClients
import CoreTypes
type CmdHandler = [B.ByteString] -> Reader (ClientIndex, IRnC) [Action]
thisClient :: Reader (ClientIndex, IRnC) ClientInfo
thisClient = do
(ci, rnc) <- ask
return $ rnc `client` ci
thisRoom :: Reader (ClientIndex, IRnC) RoomInfo
thisRoom = do
(ci, rnc) <- ask
let ri = clientRoom rnc ci
return $ rnc `room` ri
clientNick :: Reader (ClientIndex, IRnC) B.ByteString
clientNick = liftM nick thisClient
roomOthersChans :: Reader (ClientIndex, IRnC) [ClientChan]
roomOthersChans = do
(ci, rnc) <- ask
let ri = clientRoom rnc ci
return $ map (sendChan . client rnc) $ filter (/= ci) (roomClients rnc ri)
roomSameClanChans :: Reader (ClientIndex, IRnC) [ClientChan]
roomSameClanChans = do
(ci, rnc) <- ask
let ri = clientRoom rnc ci
let otherRoomClients = map (client rnc) . filter (/= ci) $ roomClients rnc ri
let cl = rnc `client` ci
let sameClanClients = Prelude.filter (\c -> clientClan c == clientClan cl) otherRoomClients
return $ map sendChan sameClanClients
roomClientsChans :: Reader (ClientIndex, IRnC) [ClientChan]
roomClientsChans = do
(ci, rnc) <- ask
let ri = clientRoom rnc ci
return $ map (sendChan . client rnc) (roomClients rnc ri)
thisClientChans :: Reader (ClientIndex, IRnC) [ClientChan]
thisClientChans = do
(ci, rnc) <- ask
return [sendChan (rnc `client` ci)]
sameProtoChans :: Reader (ClientIndex, IRnC) [ClientChan]
sameProtoChans = do
(ci, rnc) <- ask
let p = clientProto (rnc `client` ci)
return . map sendChan . filter (\c -> clientProto c == p) . map (client rnc) $ allClients rnc
answerClient :: [B.ByteString] -> Reader (ClientIndex, IRnC) [Action]
answerClient msg = liftM ((: []) . flip AnswerClients msg) thisClientChans
allRoomInfos :: Reader (a, IRnC) [RoomInfo]
allRoomInfos = liftM ((\irnc -> map (room irnc) $ allRooms irnc) . snd) ask
clientByNick :: B.ByteString -> Reader (ClientIndex, IRnC) (Maybe ClientIndex)
clientByNick n = do
(_, rnc) <- ask
let allClientIDs = allClients rnc
return $ find (\clId -> let cl = client rnc clId in n == nick cl && not (isChecker cl)) allClientIDs
roomAdminOnly :: Reader (ClientIndex, IRnC) [Action] -> Reader (ClientIndex, IRnC) [Action]
roomAdminOnly h = thisClient >>= \cl -> if isMaster cl then h else return []
serverAdminOnly :: Reader (ClientIndex, IRnC) [Action] -> Reader (ClientIndex, IRnC) [Action]
serverAdminOnly h = thisClient >>= \cl -> if isAdministrator cl then h else return []
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