gameServer/Utils.hs
author nemo
Wed, 22 Jul 2009 01:50:46 +0000
changeset 2268 053eb81e60ee
parent 2150 45b695f3a7b9
child 2304 a6e733ad0366
permissions -rw-r--r--
little experiment to see if this improve appearance of laser/ufo/cake/laser guided missile - of course, can't actually see it until unc0rr restores waves

module Utils where

import Control.Concurrent
import Control.Concurrent.STM
import Data.Char
import Data.Word
import qualified Data.Map as Map
import qualified Data.IntMap as IntMap
import Numeric
import Network.Socket
import System.IO
import qualified Data.List as List
-------------------------------------------------
import qualified Codec.Binary.Base64 as Base64
import qualified Codec.Binary.UTF8.String as UTF8
import CoreTypes


sockAddr2String :: SockAddr -> IO String
sockAddr2String (SockAddrInet _ hostAddr) = inet_ntoa hostAddr
sockAddr2String (SockAddrInet6 _ _ (a, b, c, d) _) =
	return $ (foldr1 (.)
		$ List.intersperse (\a -> ':':a)
		$ concatMap (\n -> (\(a, b) -> [showHex a, showHex b]) $ divMod n 65536) [a, b, c, d]) []

toEngineMsg :: String -> String
toEngineMsg msg = Base64.encode (fromIntegral (length msg) : (UTF8.encode msg))

--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

teamToNet team = [
		"ADD_TEAM",
		teamname team,
		teamgrave team,
		teamfort team,
		teamvoicepack team,
		teamowner team,
		show $ difficulty team
		]
		++ hhsInfo
	where
		hhsInfo = concatMap (\(HedgehogInfo name hat) -> [name, hat]) $ hedgehogs team

modifyTeam :: TeamInfo -> RoomInfo -> RoomInfo
modifyTeam team room = 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

illegalName :: String -> Bool
illegalName str = all isSpace str

protoNumber2ver :: Word16 -> String
protoNumber2ver 17 = "0.9.7-dev"
protoNumber2ver 19 = "0.9.7"
protoNumber2ver 20 = "0.9.8-dev"
protoNumber2ver 21 = "0.9.8"
protoNumber2ver 22 = "0.9.9-dev"
protoNumber2ver 23 = "0.9.9"
protoNumber2ver 24 = "0.9.10-dev"
protoNumber2ver 25 = "0.9.10"
protoNumber2ver 26 = "0.9.11-dev"
protoNumber2ver 27 = "0.9.11"
protoNumber2ver 28 = "0.9.12-dev"
protoNumber2ver _ = "Unknown"

askFromConsole :: String -> IO String
askFromConsole msg = do
	putStr msg
	hFlush stdout
	getLine