netserver/Miscutils.hs
author unc0rr
Fri, 24 Oct 2008 13:00:53 +0000
changeset 1405 ee4b28a1861d
parent 1403 b8c921ed0f13
child 1408 fab171a17968
permissions -rw-r--r--
Show players ready status in chat nick list

module Miscutils where

import IO
import Control.Concurrent.STM
import Data.Word
import Data.Char
import Data.List
import Maybe (fromJust)
import qualified Data.Map as Map

data ClientInfo =
 ClientInfo
	{
		chan :: TChan [String],
		handle :: Handle,
		nick :: String,
		protocol :: Word16,
		room :: String,
		isMaster :: Bool,
		isReady :: Bool,
		forceQuit :: Bool
	}

instance Eq ClientInfo where
	a1 == a2 = handle a1 == handle a2

data HedgehogInfo =
	HedgehogInfo String String

data TeamInfo =
	TeamInfo
	{
		teamowner :: String,
		teamname :: String,
		teamcolor :: String,
		teamgrave :: String,
		teamfort :: String,
		difficulty :: Int,
		hhnum :: Int,
		hedgehogs :: [HedgehogInfo]
	}

data RoomInfo =
	RoomInfo
	{
		name :: String,
		password :: String,
		roomProto :: Word16,
		teams :: [TeamInfo],
		gamemap :: String,
		gameinprogress :: Bool,
		playersIn :: Int,
		readyPlayers :: Int,
		params :: Map.Map String [String]
	}
createRoom = (RoomInfo "" "" 0 [] "+rnd+" False 1 0 Map.empty)

type ClientsTransform = [ClientInfo] -> [ClientInfo]
type RoomsTransform = [RoomInfo] -> [RoomInfo]
type HandlesSelector = ClientInfo -> [ClientInfo] -> [RoomInfo] -> [Handle]
type CmdHandler = ClientInfo -> [ClientInfo] -> [RoomInfo] -> [String] -> (ClientsTransform, RoomsTransform, [(HandlesSelector, [String])])


roomByName :: String -> [RoomInfo] -> RoomInfo
roomByName roomName rooms = fromJust $ find (\room -> roomName == name room) rooms

tselect :: [ClientInfo] -> STM ([String], ClientInfo)
tselect = foldl orElse retry . map (\ci -> (flip (,) ci) `fmap` readTChan (chan ci))

maybeRead :: Read a => String -> Maybe a
maybeRead s = case reads s of
	[(x, rest)] | all isSpace rest -> Just x
	_         -> Nothing

deleteBy2t :: (a -> b -> Bool) -> b -> [a] -> [a]
deleteBy2t _  _ [] = []
deleteBy2t eq x (y:ys) = if y `eq` x then ys else y : deleteBy2t eq x ys

deleteFirstsBy2t :: (a -> b -> Bool) -> [a] -> [b] -> [a]
deleteFirstsBy2t eq =  foldl (flip (deleteBy2t eq))

sameRoom :: HandlesSelector
sameRoom client clients rooms = map handle $ filter (\ci -> room ci == room client) clients

othersInRoom :: HandlesSelector
othersInRoom client clients rooms = map handle $ filter (client /=) $ filter (\ci -> room ci == room client) clients

fromRoom :: String -> HandlesSelector
fromRoom roomName _ clients _ = map handle $ filter (\ci -> room ci == roomName) clients

clientOnly :: HandlesSelector
clientOnly client _ _ = [handle client]

noChangeClients :: ClientsTransform
noChangeClients a = a

modifyClient :: ClientInfo -> ClientsTransform
modifyClient _ [] = error "modifyClient: no such client"
modifyClient client (cl:cls) =
	if cl == client then
		client : cls
	else
		cl : (modifyClient client cls)

noChangeRooms :: RoomsTransform
noChangeRooms a = a

addRoom :: RoomInfo -> RoomsTransform
addRoom room rooms = room:rooms

removeRoom :: String -> RoomsTransform
removeRoom roomname rooms = filter (\rm -> roomname /= name rm) rooms

modifyRoom :: RoomInfo -> RoomsTransform
modifyRoom _ [] = error "changeRoomConfig: no such room"
modifyRoom room (rm:rms) =
	if name room == name rm then
		room : rms
	else
		rm : modifyRoom room rms

modifyTeam :: RoomInfo -> TeamInfo -> RoomInfo
modifyTeam room team = room{teams = replaceTeam team $ teams room}
	where
	replaceTeam _ [] = error "modifyTeam: no such team"
	replaceTeam team (t:teams) =
		if teamname team == teamname t then
			team : teams
		else
			t : replaceTeam team teams