gameServer/HandlerUtils.hs
author unc0rr
Sun, 02 Dec 2012 01:25:11 +0400
changeset 8178 8bd087478b48
parent 6541 08ed346ed341
child 9109 878f06e9c484
permissions -rw-r--r--
Fix QSettings problems: - Reopen file in ReadOnly mode if it was open in ReadWrite mode and is being read. This is needed for stupid QSettings which opens file in ReadWrite mode just to call readAll() on it. - Implement setSize(0)

module HandlerUtils where

import Control.Monad.Reader
import qualified Data.ByteString.Char8 as B
import Data.List

import RoomsAndClients
import CoreTypes
import Actions

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 -> n == nick (client rnc clId)) allClientIDs