{-

 * 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 ServerState

    (

    module RoomsAndClients,

    module JoinsMonitor,

    clientRoomA,

    ServerState(..),

    client's,

    allClientsS,

    allRoomsS,

    roomClientsS,

    sameProtoClientsS,

    io

    ) where

import Control.Monad

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