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 OverloadedStrings #-}
module HWProtoNEState where
import Control.Monad.Reader
import qualified Data.ByteString.Char8 as B
--------------------------------------
import CoreTypes
import Actions
import Utils
import RoomsAndClients
handleCmd_NotEntered :: CmdHandler
handleCmd_NotEntered ["NICK", newNick] = do
(ci, irnc) <- ask
let cl = irnc `client` ci
if not . B.null $ nick cl then return [ProtocolError "Nickname already chosen"]
else
if illegalName newNick then return [ByeClient "Illegal nickname"]
else
return $
ModifyClient (\c -> c{nick = newNick}) :
AnswerClients [sendChan cl] ["NICK", newNick] :
[CheckRegistered | clientProto cl /= 0]
handleCmd_NotEntered ["PROTO", protoNum] = do
(ci, irnc) <- ask
let cl = irnc `client` ci
if clientProto cl > 0 then return [ProtocolError "Protocol already known"]
else
if parsedProto == 0 then return [ProtocolError "Bad number"]
else
return $
ModifyClient (\c -> c{clientProto = parsedProto}) :
AnswerClients [sendChan cl] ["PROTO", showB parsedProto] :
[CheckRegistered | not . B.null $ nick cl]
where
parsedProto = readInt_ protoNum
handleCmd_NotEntered ["PASSWORD", passwd] = do
(ci, irnc) <- ask
let cl = irnc `client` ci
if passwd == webPassword cl then
return $ JoinLobby : [AnswerClients [sendChan cl] ["ADMIN_ACCESS"] | isAdministrator cl]
else
return [ByeClient "Authentication failed"]
handleCmd_NotEntered _ = return [ProtocolError "Incorrect command (state: not entered)"]