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{-# LANGUAGE GeneralizedNewtypeDeriving #-}
module Game ( Bullet(..)
, GameState(..)
, Game
, runGame
) where
import Level
import Tank
import Control.Monad
import Control.Monad.State
import Data.Fixed
data Bullet = Bullet
{ bulletX :: !Micro
, bulletY :: !Micro
, bulletDir :: !Micro
, bulletSpeed :: !Micro
, bulletBouncesLeft :: !Int
, bulletTank :: !Int
} deriving (Eq, Show)
data GameState = GameState
{ level :: !Level
, tanks :: ![Tank]
, bullets :: ![Bullet]
} deriving (Show)
newtype Game a = Game (StateT GameState IO a)
deriving (Monad, MonadIO, MonadState GameState)
runGame :: GameState -> Game a -> IO (a, GameState)
runGame st (Game a) = runStateT a st
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