gameServer/HandlerUtils.hs
author nemo
Fri, 07 Jun 2013 14:44:34 -0400
changeset 9148 78c699d8fdfd
parent 9109 878f06e9c484
child 9433 f0a8ac191839
permissions -rw-r--r--
move 0.01 to the end to avoid increase damage fail on small values like fire. thanks to hedgewars wiki for noting this for fire damage.

module HandlerUtils where

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

import RoomsAndClients
import CoreTypes


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