gameServer/ServerState.hs
author nemo
Mon, 08 Dec 2014 09:35:14 -0500
changeset 10634 35d059bd0932
parent 10460 8dcea9087d75
child 11046 47a8c19ecb60
permissions -rw-r--r--
Use FreeAndNil across the board. Even if we are immediately assigning after, probably avoids accidental mistakes. Also free neglected owner tex on shutdown, and delete hog gears using the normal deletion procedure if for any reason they still exist (EndGame call?).

{-
 * Hedgewars, a free turn based strategy game
 * Copyright (c) 2004-2014 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 ServerState
    (
    module RoomsAndClients,
    module JoinsMonitor,
    clientRoomA,
    ServerState(..),
    client's,
    allClientsS,
    allRoomsS,
    roomClientsS,
    sameProtoClientsS,
    io
    ) where

import Control.Monad.State.Strict
import Data.Set as Set(Set)
import Data.Word
----------------------
import RoomsAndClients
import CoreTypes
import JoinsMonitor

data ServerState = ServerState {
        clientIndex :: !(Maybe ClientIndex),
        serverInfo :: !ServerInfo,
        removedClients :: !(Set.Set ClientIndex),
        roomsClients :: !MRnC,
        joinsMonitor :: !JoinsMonitor
    }


clientRoomA :: StateT ServerState IO RoomIndex
clientRoomA = do
    (Just ci) <- gets clientIndex
    rnc <- gets roomsClients
    io $ clientRoomM rnc ci

client's :: (ClientInfo -> a) -> StateT ServerState IO a
client's f = do
    (Just ci) <- gets clientIndex
    rnc <- gets roomsClients
    io $ client'sM rnc f ci

allClientsS :: StateT ServerState IO [ClientInfo]
allClientsS = gets roomsClients >>= liftIO . clientsM

allRoomsS :: StateT ServerState IO [RoomInfo]
allRoomsS = gets roomsClients >>= liftIO . roomsM

roomClientsS :: RoomIndex -> StateT ServerState IO [ClientInfo]
roomClientsS ri = do
    rnc <- gets roomsClients
    io $ roomClientsM rnc ri

sameProtoClientsS :: Word16 -> StateT ServerState IO [ClientInfo]
sameProtoClientsS p = liftM f allClientsS
    where
        f = filter (\c -> clientProto c == p)

io :: IO a -> StateT ServerState IO a
io = liftIO