damn. it.
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 qualified Data.Set as Set
import Data.ByteString.Internal (w2c)
import Numeric
import Network.Socket
import System.IO
import qualified Data.List as List
import Control.Monad
import Data.Maybe
-------------------------------------------------
import qualified Codec.Binary.Base64 as Base64
import qualified Data.ByteString.UTF8 as BUTF8
import qualified Data.ByteString as B
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 (B.length encodedMsg) : (B.unpack encodedMsg))
where
encodedMsg = BUTF8.fromString msg
fromEngineMsg :: String -> Maybe String
fromEngineMsg msg = liftM (map w2c) (Base64.decode msg >>= removeLength)
where
removeLength (x:xs) = if length xs == fromIntegral x then Just xs else Nothing
removeLength _ = Nothing
checkNetCmd :: String -> (Bool, Bool)
checkNetCmd msg = check decoded
where
decoded = fromEngineMsg msg
check Nothing = (False, False)
check (Just (m:ms)) = (m `Set.member` legalMessages, m == '+')
check _ = (False, False)
legalMessages = Set.fromList $ "M#+LlRrUuDdZzAaSjJ,sFNpPwtghbc12345" ++ slotMessages
slotMessages = "\128\129\130\131\132\133\134\135\136\137\138"
maybeRead :: Read a => String -> Maybe a
maybeRead s = case reads s of
[(x, rest)] | all isSpace rest -> Just x
_ -> Nothing
teamToNet :: Word16 -> TeamInfo -> [String]
teamToNet protocol team
| protocol < 30 = [
"ADD_TEAM",
teamname team,
teamgrave team,
teamfort team,
teamvoicepack team,
teamowner team,
show $ difficulty team
]
++ hhsInfo
| otherwise = [
"ADD_TEAM",
teamname team,
teamgrave team,
teamfort team,
teamvoicepack team,
teamflag 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 = all isSpace
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 29 = "0.9.12"
protoNumber2ver 30 = "0.9.13-dev"
protoNumber2ver 31 = "0.9.13"
protoNumber2ver 32 = "0.9.14-dev"
protoNumber2ver 33 = "0.9.14"
protoNumber2ver 34 = "0.9.15-dev"
protoNumber2ver 35 = "0.9.14.1"
protoNumber2ver _ = "Unknown"
askFromConsole :: String -> IO String
askFromConsole msg = do
putStr msg
hFlush stdout
getLine