gameServer/Opts.hs
author nemo
Sun, 14 Aug 2011 23:52:45 -0400
changeset 5569 8313952b2811
parent 5210 a5329e52a71b
child 10460 8dcea9087d75
permissions -rw-r--r--
suggestion of mikade's - delete old mines if the collision array shows signs of filling up. This is kind of an edge case, esp now that array is up to 1024, but should prevent (easiest) way to crash by collision array overflow (endless mines/minestrikes).

{-# LANGUAGE CPP #-}
module Opts
(
    getOpts,
) where

import System.Environment
import System.Console.GetOpt
import Data.Maybe ( fromMaybe )
-------------------
import CoreTypes
import Utils

options :: [OptDescr (ServerInfo -> ServerInfo)]
options = [
    Option "p" ["port"] (ReqArg readListenPort "PORT") "listen on PORT",
    Option "d" ["dedicated"] (ReqArg readDedicated "BOOL") "start as dedicated (True or False)"
    ]

readListenPort
    , readDedicated
    :: String -> ServerInfo -> ServerInfo


readListenPort str opts = opts{listenPort = readPort}
    where
        readPort = fromInteger $ fromMaybe 46631 (maybeRead str :: Maybe Integer)

readDedicated str opts = opts{isDedicated = readDed}
    where
        readDed = fromMaybe True (maybeRead str :: Maybe Bool)

getOpts :: ServerInfo -> IO ServerInfo
getOpts opts = do
    args <- getArgs
    case getOpt Permute options args of
        (o, [], []) -> return $ foldr ($) opts{runArgs = args} o
        (_,_,errs) -> ioError (userError (concat errs ++ usageInfo header options))
    where header = "Usage: hedgewars-server [OPTION...]"