gameServer/EngineInteraction.hs
author nemo
Mon, 29 Oct 2012 09:35:16 -0400
changeset 7874 c8aba48f38dc
parent 7766 98edc0724a28
child 8479 8d71109b04d2
permissions -rw-r--r--
Arbitrarily tweaked to not firepunch loose, and to increase chance of bazooka doing it to about 20%
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
6068
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
     1
module EngineInteraction where
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
     2
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
     3
import qualified Data.Set as Set
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
     4
import Control.Monad
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
     5
import qualified Codec.Binary.Base64 as Base64
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
     6
import qualified Data.ByteString.Char8 as B
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
     7
import qualified Data.ByteString as BW
6069
d59745e525ec GameInfo needs room params copy
unc0rr
parents: 6068
diff changeset
     8
-------------
d59745e525ec GameInfo needs room params copy
unc0rr
parents: 6068
diff changeset
     9
import CoreTypes
6068
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
    10
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
    11
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
    12
toEngineMsg :: B.ByteString -> B.ByteString
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
    13
toEngineMsg msg = B.pack $ Base64.encode (fromIntegral (BW.length msg) : BW.unpack msg)
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
    14
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
    15
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
    16
fromEngineMsg :: B.ByteString -> Maybe B.ByteString
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
    17
fromEngineMsg msg = liftM BW.pack (Base64.decode (B.unpack msg) >>= removeLength)
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
    18
    where
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
    19
        removeLength (x:xs) = if length xs == fromIntegral x then Just xs else Nothing
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
    20
        removeLength _ = Nothing
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
    21
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
    22
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
    23
checkNetCmd :: B.ByteString -> (Bool, Bool)
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
    24
checkNetCmd msg = check decoded
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
    25
    where
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
    26
        decoded = fromEngineMsg msg
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
    27
        check Nothing = (False, False)
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
    28
        check (Just ms) | B.length ms > 0 = let m = B.head ms in (m `Set.member` legalMessages, m == '+')
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
    29
                        | otherwise        = (False, False)
6206
75e0d8169ba2 As sheepluva pointed out, allowing this message to be legal allows naughtiness. The server usage of this message does not seem to use this check.
nemo
parents: 6070
diff changeset
    30
        legalMessages = Set.fromList $ "M#+LlRrUuDdZzAaSjJ,sNpPwtghbc12345" ++ slotMessages
6068
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
    31
        slotMessages = "\128\129\130\131\132\133\134\135\136\137\138"
e18713ecf1e0 Introduce EngineInteraction module
unc0rr
parents:
diff changeset
    32
7766
98edc0724a28 Fix most of server warnings
unc0rr
parents: 6206
diff changeset
    33
6069
d59745e525ec GameInfo needs room params copy
unc0rr
parents: 6068
diff changeset
    34
gameInfo2Replay :: GameInfo -> B.ByteString
d59745e525ec GameInfo needs room params copy
unc0rr
parents: 6068
diff changeset
    35
gameInfo2Replay GameInfo{roundMsgs = rm,
d59745e525ec GameInfo needs room params copy
unc0rr
parents: 6068
diff changeset
    36
        teamsAtStart = teams,
6070
429b4637c8ad Oops, fix build
unc0rr
parents: 6069
diff changeset
    37
        giMapParams = params1,
429b4637c8ad Oops, fix build
unc0rr
parents: 6069
diff changeset
    38
        giParams = params2} = undefined