routine for loading lower resolution horizont and sky for nature theme when bigger images are not supported; right now they are not installed, but they could be useful for less powerful machines in general
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