make newGame a pure function

src/Test.hs

@@ -8,6 +8,7 @@ import Control.Applicative
 import Control.Lens
 import Control.Monad
 import Control.Monad.Prompt
+import Control.Monad.Random
 import Control.Monad.State
 import Data.List
 import Text.Printf
@@ -141,7 +142,8 @@ menuPrompt prm@(SolicitChoice w p t cs) = do
 
 main :: IO ()
 main = do
-   w <- newGame [p1, p2] [q1, q2] [] [b1, b2, b3, b4, b5]
+   g <- getSplit
+   let w = newGame [p1, p2] [q1, q2] [] [b1, b2, b3, b4, b5] g
    let gamePlayerName n = w ^. gamePlayer n . playerName
    (winners, w') <- runWaterdeepM menuPrompt waterdeepGame w
    putStrLn ("Winner(s): " ++ intercalate ", " (winners ^.. traverse . to gamePlayerName))

src/Waterdeep/Logic.hs

@@ -23,58 +23,40 @@ import Waterdeep.Monad
 import qualified Data.IntMap as IM
 import qualified Data.Map    as M
 
-newGame :: (MonadRandom m, MonadSplit StdGen m)
+newGame :: [(String,Faction,Lord)]
-        => [(String,Faction,Lord)]
         -> [Quest]
         -> [IntrigueCard]
         -> [Building]
-        -> m WaterdeepState
+        -> StdGen
-newGame players quests intrigues buildings
+        -> WaterdeepState
-   | length players < 2 || length players > 5 = error "This game requires 2-5 players."
+newGame players quests intrigues buildings rndgen
-   | otherwise = do
+   | length players < 2 || length players > 5 =
-      let playerStates = IM.fromList $ flip map (zip [1..] players) $
+      error "This game requires 2-5 players."
-                            \(i,(n,f,l)) -> (i, newPlayerState i n f l)
+   | otherwise =
-      quests'    <- shuffleM quests
+      WaterdeepState
-      intrigues' <- shuffleM intrigues
+         { _gamePlayers           = IM.fromAscList playerStates
-      buildings' <- shuffleM buildings
-      splitGen   <- getSplit
-      return $ snd $ runWaterdeep batchMode setupGame $ WaterdeepState
-         { _gamePlayers           = playerStates
          , _gameFirstPlayer       = 1
          , _gameCurrentRound      = 0
-         , _gameCurrentPlayer     = 1
+         , _gameCurrentPlayer     = noPlayerID
          , _gameConsecutivePasses = 0
-         , _gameQuestDeck         = quests'
+         , _gameQuestDeck         = []
-         , _gameQuestDiscard      = []
+         , _gameQuestDiscard      = quests
          , _gameCliffwatchInn     = []
-         , _gameIntrigueDeck      = intrigues'
+         , _gameIntrigueDeck      = []
-         , _gameIntrigueDiscard   = []
+         , _gameIntrigueDiscard   = intrigues
-         , _gameBuildingDeck      = buildings'
+         , _gameBuildingDeck      = []
-         , _gameBuildingDiscard   = []
+         , _gameBuildingDiscard   = buildings
          , _gameBasicBuildings    = map (newBuildingState noPlayerID) basicBuildings
          , _gameBuildersHall      = []
          , _gameAdvancedBuildings = []
          , _gameWaterdeepHarbor   = ([], [], [])
-         , _gameStdGen            = splitGen
+         , _gameStdGen            = rndgen
          }
    where
-      batchMode :: WaterdeepPrompt a -> a
+      playerStates = [ (i, newPlayerState i p) | (i, p) <- zip [1..] players ]
-      batchMode (NotifyState _)         = ()
-      batchMode (SolicitChoice _ _ _ _) = error "No choices during setup."
 
-      setupGame :: Waterdeep ()
+newPlayerState :: PlayerID -> (String, Faction, Lord) -> PlayerState
-      setupGame = do
+newPlayerState i (name, faction, lord) =
-         restockBuildersHall
-         restockCliffwatchInn
-         let ps = [1 .. length players]
-         forM_ (zip ps [4..]) $ \(p, g) -> do
-            replicateM_ 2 $ performAction p DrawQuest
-            replicateM_ 2 $ performAction p DrawIntrigue
-            replicateM_ g $ performAction p $ TakeResource [Gold]
-         return ()
-
-newPlayerState :: PlayerID -> String -> Faction -> Lord -> PlayerState
-newPlayerState i name faction lord =
    PlayerState
       { _playerNumber           = i
       , _playerName             = name
@@ -106,6 +88,13 @@ basicBuildings = []
 
 waterdeepGame :: Waterdeep [PlayerID]
 waterdeepGame = do
+   ps <- sort . IM.keys <$> use gamePlayers
+   restockBuildersHall
+   restockCliffwatchInn
+   forM_ ps $ \p -> do
+      replicateM_ 2 $ performAction p DrawQuest
+      replicateM_ 2 $ performAction p DrawIntrigue
+      replicateM_ (3 + p) $ performAction p $ TakeResource [Gold]
    forM_ [1..8] $ \round -> do
       beginRound round
       performAction 1 $ TakeResource [Cleric, Fighter, Rogue, Wizard, Gold]