25 lines
499 B
Haskell
25 lines
499 B
Haskell
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
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module Game ( GameState(..)
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, Game
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, runGame
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) where
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import Level
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import Tank
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import Control.Monad
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import Control.Monad.State
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data GameState = GameState
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{ level :: !Level
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, tanks :: ![Tank]
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} deriving (Show)
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newtype Game a = Game (StateT GameState IO a)
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deriving (Monad, MonadIO, MonadState GameState)
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runGame :: GameState -> Game a -> IO (a, GameState)
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runGame st (Game a) = runStateT a st
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