You cannot optimize integral division like this. You end up multiplying by 0, 1 or 2 instead of whole spectre of ratios.
{-
* Hedgewars, a free turn based strategy game
* Copyright (c) 2004-2015 Andrey Korotaev <unC0Rr@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
\-}
{-# LANGUAGE OverloadedStrings #-}
module HWProtoChecker where
import Data.Maybe
import Control.Monad.Reader
--------------------------------------
import CoreTypes
import HandlerUtils
handleCmd_checker :: CmdHandler
handleCmd_checker ["READY"] = return [ModifyClient $ \c -> c{isReady = True}, CheckRecord]
handleCmd_checker ["CHECKED", "FAIL", msg] = do
isChecking <- liftM (isJust . checkInfo) thisClient
if not isChecking then
return []
else
return [CheckFailed msg, ModifyClient $ \c -> c{checkInfo = Nothing}]
handleCmd_checker ("CHECKED" : "OK" : info) = do
isChecking <- liftM (isJust . checkInfo) thisClient
if not isChecking then
return []
else
return [CheckSuccess info, ModifyClient $ \c -> c{checkInfo = Nothing}]
handleCmd_checker _ = return [ProtocolError "Unknown command"]