add two vs bot

src/Skat/Matches.hs

@@ -1,11 +1,11 @@
 module Skat.Matches (
     singleVsBots, pvp, singleWithBidding, Match(..), Unfinished(..), continue,
-    Table(..)
+    Table(..), twoWithBidding, H(..), randomPositions
 ) where
 
 import Control.Monad.State
 import Control.Monad.Reader
-import System.Random (mkStdGen)
+import System.Random (mkStdGen, newStdGen)
 
 import Skat
 import Skat.Operations
@@ -14,6 +14,7 @@ import Skat.Pile
 import Skat.Card
 import Skat.Preperation
 import Skat.Bidding
+import Skat.Utils (shuffle)
 
 import Skat.AI.Rulebased
 import Skat.AI.Online
@@ -122,6 +123,26 @@ singleWithBidding comm = do
         env = makePrep ps bs
     void $ match env
 
+--- helper object for twoWithBidding
+data H = P1 | P2 | AI
+
+randomPositions :: IO [H]
+randomPositions = do
+    gen <- newStdGen
+    return $ shuffle gen [P1, P2, AI]
+
+twoWithBidding :: Communicator c => [H] -> c -> c -> IO ()
+twoWithBidding positions comm1 comm2 = do
+    cards <- shuffleCards
+    let bds = zipWith mkBidder [Hand1, Hand2, Hand3] positions
+        ps = distribute cards
+        mkBidder hand P1 = BD $ PrepOnline hand comm1 (map toCard $ handCards hand ps)
+        mkBidder hand P2 = BD $ PrepOnline hand comm2 (map toCard $ handCards hand ps)
+        mkBidder hand AI = BD $ NoBidder hand
+        bs = Bidders (bds !! 0) (bds !! 1) (bds !! 2)
+        env = makePrep ps bs
+    void $ match env
+
 pvp :: Communicator c => c -> c -> c -> IO Table
 pvp comm1 comm2 comm3 = do
     cards <- shuffleCards