gameServer/Opts.hs
author nemo
Tue, 08 Sep 2009 19:44:49 +0000
changeset 2357 babe1a55e284
parent 1964 dc9ea05c9d2f
child 2867 9be6693c78cb
permissions -rw-r--r--
Add an empty weapon to avoid selection of weapons which aren't yet ready. Might all be useful to switch to amNothing in certain situations, like after using up all ropes, instead of bazooka.

module Opts
(
	getOpts,
) where

import System
import System.Console.GetOpt
import Network
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,
	readDbLogin,
	readDbPassword,
	readDbHost :: String -> ServerInfo -> ServerInfo

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

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

readDbLogin str opts = opts{dbLogin = str}
readDbPassword str opts = opts{dbPassword = str}
readDbHost str opts = opts{dbHost = str}

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