gameServer/HWProtoNEState.hs
author nemo
Fri, 23 Mar 2012 18:20:59 -0400
changeset 6810 5337f554480e
parent 5090 2922455e606e
child 8371 0551b5c3de9a
permissions -rw-r--r--
This has bugged me for a while. Since we are missing the source SVGs for this theme, removed the leaves crudely in GIMP. Also added some basic roots. Someone more artistic is encouraged to try and improve it.

{-# 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)"]